diff options
Diffstat (limited to 'Master/texmf-dist/metapost/context/base')
46 files changed, 9721 insertions, 1245 deletions
diff --git a/Master/texmf-dist/metapost/context/base/metafun.mp b/Master/texmf-dist/metapost/context/base/metafun.mp index 00011c8be51..ae0a6d6fdf7 100644 --- a/Master/texmf-dist/metapost/context/base/metafun.mp +++ b/Master/texmf-dist/metapost/context/base/metafun.mp @@ -1,75 +1,8 @@ -%D \module -%D [ file=metafun.mp, -%D version=2000.07.15, -%D title=\CONTEXT\ \METAPOST\ graphics, -%D subtitle=format generation file, -%D author=Hans Hagen, -%D date=\currentdate, -%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] -%C -%C This module is part of the \CONTEXT\ macro||package and is -%C therefore copyrighted by \PRAGMA. See mreadme.pdf for -%C details. +if known metafunversion : endinput ; fi ; -%D When generating many graphics at runtime, it can save run -%D time to use a format file. We could have named this file -%D \type {context}, but this is error prone, because it forces -%D to use the progname \type {mpost} or \type {context} -%D explicitly, depending on the needs. When using the format, -%D a mismatch in the memory specification of \type {mpost} or -%D \type {context} (the \TEX\ one) could lead to lost strings -%D (and as a result in buggy boundingbox and special -%D handling). By using the name \type {metatex} we make sure -%D that we use (unless overloaded) the settings of \type -%D {mpost}. - -%D First we input John Hobby's metapost plain file. However, -%D because we want to prevent dependency problems and in the -%D end even may use a patched version, we prefer to use a -%D copy, - -if unknown ahangle : - input mp-base.mp ; % input plain.mp ; +if known mplib : + input metafun.mpiv else : - let dump = relax ; + input metafun.mpii fi ; -input mp-tool.mp ; -input mp-spec.mp ; % will be skipped in mkiv, some day -input mp-core.mp ; -input mp-page.mp ; -input mp-text.mp ; -input mp-txts.mp ; -input mp-shap.mp ; -input mp-butt.mp ; -input mp-char.mp ; -input mp-step.mp ; -input mp-grph.mp ; -input mp-figs.mp ; - -input mp-mlib.mp ; - -if known context_mlib : input mp-chem.mp ; fi ; % only when mkiv - -% mp-form.mp ; -input mp-grid.mp ; -input mp-func.mp ; - -string metafunversion ; - -metafunversion = "metafun" & " " & - decimal year & "-" & - decimal month & "-" & - decimal day & " " & - if ((time div 60) < 10) : "0" & fi - decimal (time div 60) & ":" & - if ((time-(time div 60)*60) < 10) : "0" & fi - decimal (time-(time div 60)*60) ; - -let normalend = end ; - -def end = - ; message "" ; message metafunversion ; message "" ; normalend ; -enddef ; - -dump ; endinput . diff --git a/Master/texmf-dist/metapost/context/base/metafun.mpii b/Master/texmf-dist/metapost/context/base/metafun.mpii new file mode 100644 index 00000000000..0de186ed220 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/metafun.mpii @@ -0,0 +1,65 @@ +%D \module +%D [ file=metafun.mp, +%D version=2000.07.15, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=format generation file, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +%D When generating many graphics at runtime, it can save run +%D time to use a format file. We could have named this file +%D \type {context}, but this is error prone, because it forces +%D to use the progname \type {mpost} or \type {context} +%D explicitly, depending on the needs. When using the format, +%D a mismatch in the memory specification of \type {mpost} or +%D \type {context} (the \TEX\ one) could lead to lost strings +%D (and as a result in buggy boundingbox and special +%D handling). By using the name \type {metatex} we make sure +%D that we use (unless overloaded) the settings of \type +%D {mpost}. + +%D First we input John Hobby's metapost plain file. However, +%D because we want to prevent dependency problems and in the +%D end even may use a patched version, we prefer to use a +%D copy. + +input "mp-base.mpii" ; +input "mp-tool.mpii" ; +input "mp-spec.mpii" ; +input "mp-core.mpii" ; +input "mp-page.mpii" ; +input "mp-text.mpii" ; +input "mp-txts.mpii" ; +input "mp-shap.mpii" ; +input "mp-butt.mpii" ; +input "mp-char.mpii" ; +input "mp-step.mpii" ; +input "mp-grph.mpii" ; +input "mp-figs.mpii" ; +%%%%% "mp-form.mpii" ; +input "mp-grid.mpii" ; +input "mp-func.mpii" ; + +string metafunversion ; + +metafunversion = "metafun ii" & " " & + decimal year & "-" & + decimal month & "-" & + decimal day & " " & + if ((time div 60) < 10) : "0" & fi + decimal (time div 60) & ":" & + if ((time-(time div 60)*60) < 10) : "0" & fi + decimal (time-(time div 60)*60) ; + +let normalend = end ; + +def end = + ; message "" ; message metafunversion ; message "" ; normalend ; +enddef ; + +dump ; diff --git a/Master/texmf-dist/metapost/context/base/metafun.mpiv b/Master/texmf-dist/metapost/context/base/metafun.mpiv new file mode 100644 index 00000000000..d600764a3d0 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/metafun.mpiv @@ -0,0 +1,52 @@ +%D \module +%D [ file=metafun.mp, +%D version=2000.07.15, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=format generation file, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +%D First we input John Hobby's metapost plain file. However, +%D because we want to prevent dependency problems and in the +%D end even may use a patched version, we prefer to use a +%D copy. + +input "mp-base.mpiv" ; +input "mp-tool.mpiv" ; +input "mp-mlib.mpiv" ; +% "mp-core.mpiv" ; % todo: namespace and cleanup +input "mp-page.mpiv" ; % todo: namespace and cleanup +input "mp-butt.mpiv" ; % todo: namespace and cleanup +input "mp-shap.mpiv" ; % will be improved +input "mp-grph.mpiv" ; % todo: namespace and cleanup +input "mp-grid.mpiv" ; % todo: namespace and cleanup +input "mp-form.mpiv" ; % under (re)construction +input "mp-figs.mpiv" ; % obsolete, needs checking +input "mp-func.mpiv" ; % under construction +% "mp-text.mpiv" ; % loaded on demand +% "mp-char.mpiv" ; % loaded on demand +% "mp-step.mpiv" ; % loaded on demand +% "mp-chem.mpiv" ; % loaded on demand + +string metafunversion ; metafunversion = + "metafun iv" & " " & + decimal year & "-" & + decimal month & "-" & + decimal day & " " & + if ((time div 60) < 10) : "0" & fi + decimal (time div 60) & ":" & + if ((time-(time div 60)*60) < 10) : "0" & fi + decimal (time-(time div 60)*60) ; + +let normalend = end ; + +def end = + ; message "" ; message metafunversion ; message "" ; normalend ; +enddef ; + +dump ; % obsolete in mplib diff --git a/Master/texmf-dist/metapost/context/base/mp-abck.mpiv b/Master/texmf-dist/metapost/context/base/mp-abck.mpiv new file mode 100644 index 00000000000..977bebcfdb5 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-abck.mpiv @@ -0,0 +1,269 @@ +%D \module +%D [ file=mp-abck.mp, +%D version=2012.02.19, % was mp-core: 1999.08.01, anchoring +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=anchored background macros, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +if known context_abck : endinput ; fi ; + +boolean context_abck ; context_abck := true ; + +path multiregs[], % region used for multipar (tracing only) + multipars[], % effective area (shape) + multibox ; % main boundingbox (of main region) + +string multikind[] ; % region state: single | first | middle | last (new method) + +numeric multilocs[], % 1=begin 2=between 3=end (old method) + nofmultipars ; % number of calculated areas + +numeric par_strut_height, + par_strut_depth, + par_line_height ; + +nofmultipars := 0 ; +par_strut_height := 0 ; +par_strut_depth := 0 ; +par_line_height := 0 ; + +def boxgridoptions = withcolor .8red enddef ; +def boxlineoptions = withcolor .8blue enddef ; +def boxfilloptions = withcolor .8white enddef ; + +numeric boxgridtype ; boxgridtype := 0 ; +numeric boxlinetype ; boxlinetype := 1 ; +numeric boxfilltype ; boxfilltype := 1 ; +numeric boxdashtype ; boxdashtype := 0 ; +pair boxgriddirection ; boxgriddirection := up ; +numeric boxgridwidth ; boxgridwidth := 1pt ; +numeric boxlinewidth ; boxlinewidth := 1pt ; +numeric boxlineradius ; boxlineradius := 0 ; +numeric boxlineoffset ; boxlineoffset := 0 ; +numeric boxfilloffset ; boxfilloffset := 0 ; +numeric boxgriddistance ; boxgriddistance := .5cm ; +numeric boxgridshift ; boxgridshift := 0 ; + +def abck_show_path(expr p, r, c) = + draw p withpen pencircle scaled .5pt withcolor c ; + if length(p) > 2 : + begingroup ; save _c_ ; path _c_ ; _c_ := fullcircle scaled r ; + for i=0 upto length(p) if cycle p : -1 fi : + fill _c_ shifted point i of p withcolor white ; + draw _c_ shifted point i of p withpen pencircle scaled .5pt withcolor c ; + endfor ; + fi ; +enddef ; + +vardef abck_draw_path(expr p) = + if (length p > 2) and (bbwidth(p) > 1) and (bbheight(p) > 1) : + save pp ; path pp ; + pp := p if (boxlineradius>0) and (boxlinetype=2) : cornered boxlineradius fi ; + if boxfilltype > 0 : + if boxfilloffset > 0 : + interim linejoin := mitered ; + filldraw pp boxfilloptions withpen pencircle scaled (2*boxfilloffset) ; + else : + fill pp boxfilloptions ; + fi ; + fi ; + if boxlinetype > 0 : + draw pp boxlineoptions withpen pencircle scaled boxlinewidth ; + fi ; + fi ; +enddef ; + +def abck_grid_line(expr start, width) = + % 1 = normal, 2 = with background (i.e. no shine-through) + if boxdashtype = 2 : + draw start -- start shifted (width,0) + withpen pencircle scaled boxgridwidth + boxfilloptions ; + fi ; + draw start -- start shifted (width,0) + if boxdashtype > 0 : + dashed evenly + fi + withpen pencircle scaled boxgridwidth + boxgridoptions ; +enddef ; + +vardef abck_baseline_grid(expr pxy, pdir, at_baseline) = + save width ; width := bbwidth(pxy) ; + save height ; height := bbheight(pxy) ; + if (par_line_height > 0) and (height > 1) and (width > 1) and (boxgridwidth > 0) : + save i, grid, bb ; picture grid ; pair start ; path bb ; + grid := image ( % fails with inlinespace + if pdir = up : + for i = if at_baseline : par_strut_depth else : 0 fi step par_line_height until max(height,par_line_height) : + abck_grid_line(llcorner pxy shifted (0,+i),width) ; + endfor ; + else : + for i = if at_baseline : par_strut_height else : 0 fi step par_line_height until height : + abck_grid_line(ulcorner pxy shifted (0,-i),width) ; + endfor ; + fi ; + ) ; + clip grid to pxy ; + bb := boundingbox grid ; + grid := grid shifted (0,boxgridshift) ; + setbounds grid to bb ; + grid + else : + nullpicture + fi +enddef ; + +vardef abck_graphic_grid(expr pxy, dx, dy, x, y) = + if (bbheight(pxy) > dy) and (bbwidth(pxy) > dx) and (boxgridwidth > 0) : + save grid ; picture grid ; + grid := image ( + for i = xpart llcorner pxy step dx until xpart lrcorner pxy : + draw (i,ypart llcorner pxy) -- (i,ypart ulcorner pxy) withpen pencircle scaled boxgridwidth ; + endfor ; + for i = ypart llcorner pxy step dy until ypart ulcorner pxy : + draw (xpart llcorner pxy,i) -- (xpart lrcorner pxy,i) withpen pencircle scaled boxgridwidth ; + endfor + ) shifted (x,y) ; + clip grid to pxy ; + grid + else : + nullpicture + fi +enddef ; + +def draw_multi_pars = + for i=1 upto nofmultipars : + abck_draw_path(multipars[i]) ; + if boxgridtype = 1 : + draw abck_baseline_grid(multipars[i],if multilocs[i]=1: down else: up fi,true) ; + elseif boxgridtype = 2 : + draw abck_baseline_grid(multipars[i],if multilocs[i]=1: down else: up fi,false) ; + elseif boxgridtype = 3 : + draw abck_baseline_grid(multipars[i],if multilocs[i]=1: down else: up fi,true) ; + draw abck_baseline_grid(multipars[i],if multilocs[i]=1: down else: up fi,true) shifted (0,ExHeight) ; + elseif boxgridtype = 4 : + draw abck_baseline_grid(multipars[i],if multilocs[i]=1: down else: up fi,true) shifted (0,ExHeight/2) ; + elseif boxgridtype = 11 : + draw abck_graphic_grid(multipars[i],boxgriddistance,boxgriddistance,boxgriddistance/2,boxgriddistance/2) ; + elseif boxgridtype = 12 : + draw abck_graphic_grid(multipars[i],boxgriddistance,boxgriddistance,0,0) ; + fi ; + endfor ; +enddef ; + +def show_multi_pars = + for i=1 upto nofmultipars : + abck_show_path(multipars[i], 6pt, .5blue) ; + endfor ; +enddef ; + +def show_multi_kind = + for i=1 upto nofmultipars : + fill multipars[i] + withcolor + if multikind[i] = "single" : yellow + elseif multikind[i] = "first" : red + elseif multikind[i] = "middle" : green + elseif multikind[i] = "last" : blue + fi + withtransparency (1,.5) + ; + endfor ; +enddef ; + +def multi_side_draw_options = enddef ; + +def draw_multi_side = + begingroup ; save p ; picture p ; + for i=1 upto nofmultipars : + p := image ( fill leftboundary multipars[i] + shifted (-boxlineoffset,0) + rightenlarged boxlinewidth boxlineoptions ; + ) ; + setbounds p to multipars[i] ; + draw p ; + endfor ; + endgroup ; +enddef ; + +def draw_multi_side_path text t = + begingroup ; save p ; picture p ; + for i=1 upto nofmultipars : + p := image ( draw leftboundary multipars[i] + shifted (-boxlineoffset,0) + withpen pensquare scaled boxlinewidth boxlineoptions t ; + ) ; + setbounds p to multipars[i] ; + draw p ; + endfor ; + endgroup ; +enddef ; + +% some extras + +path posboxes[], + posregions[] ; + +numeric multipages[], + nofposboxes ; + +nofposboxes := 0 ; + +% For the moment we keep these as they can be in use but they will +% disappear. + +pair lxy[], rxy[], cxy[], llxy[], lrxy[], ulxy[], urxy[] ; +path pxy[] ; +numeric hxy[], wxy[], dxy[], nxy[] ; + +def box_found (expr n,x,y,w,h,d) = + not ((x=0) and (y=0) and (w=0) and (h=0) and (d=0)) +enddef ; + +def initialize_box_pos (expr pos,n,x,y,w,h,d) = + pair lxy, rxy, cxy, llxy, lrxy, ulxy, urxy ; + path pxy ; numeric hxy, wxy, dxy, nxy; + lxy := (x,y) ; + llxy := (x,y-d) ; + lrxy := (x+w,y-d) ; + urxy := (x+w,y+h) ; + ulxy := (x,y+h) ; + wxy := w ; + hxy := h ; + dxy := d ; + rxy := lxy shifted (wxy,0) ; + pxy := llxy--lrxy--urxy--ulxy--cycle ; + cxy := center pxy ; + nxy := n ; + freeze_box(pos) ; +enddef ; + +def freeze_box (expr pos) = + lxy[pos] := lxy ; + llxy[pos] := llxy ; + lrxy[pos] := lrxy ; + urxy[pos] := urxy ; + ulxy[pos] := ulxy ; + wxy[pos] := wxy ; + hxy[pos] := hxy ; + dxy[pos] := dxy ; + rxy[pos] := rxy ; + pxy[pos] := pxy ; + cxy[pos] := cxy ; + nxy[pos] := nxy ; +enddef ; + +def initialize_box (expr n,x,y,w,h,d) = + numeric bpos ; bpos := 0 ; initialize_box_pos(bpos,n,x,y,w,h,d) ; +enddef ; + +def anchor_box (expr n,x,y,w,h,d) = + currentpicture := currentpicture shifted (-x,-y) ; +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-apos.mpiv b/Master/texmf-dist/metapost/context/base/mp-apos.mpiv new file mode 100644 index 00000000000..fad185b7827 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-apos.mpiv @@ -0,0 +1,102 @@ +%D \module +%D [ file=mp-apos.mp, +%D version=2012.02.19, % was mp-core: 1999.08.01, anchoring +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=anchored background macros, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +if known context_apos : endinput ; fi ; + +boolean context_apos ; context_apos := true ; + +path posboxes[], + posregions[] ; + +numeric multipages[], + nofposboxes ; + +nofposboxes := 0 ; + +def boxlineoptions = withcolor .8blue enddef ; +def boxfilloptions = withcolor .8white enddef ; + +def connect_positions = + if nofposboxes = 2 : + pickup pencircle scaled boxlinewidth ; + path pa ; pa := posboxes[1] enlarged boxlineoffset ; + path pb ; pb := posboxes[2] enlarged boxlineoffset ; + if pospages[1] = pospages[2] : + draw posboxes[1] boxlineoptions ; + path pc ; pc := center pa {up} .. {down} center pb ; + pair cc ; cc := (pc intersection_point pa) ; + if intersection_found : + pc := pc cutbefore cc ; + cc := (pc intersection_point pb) ; + if intersection_found : + pc := pc cutafter cc ; + drawarrow pc boxlineoptions ; + drawarrow reverse pc boxlineoptions ; + fi ; + fi ; + elseif pospages[1] == RealPageNumber : + draw posboxes[1] boxlineoptions ; + path pc ; pc := center pa {up} ... {right} urcorner (posregions[1] enlarged (20pt,20pt)) ; + pair cc ; cc := (pc intersection_point pa) ; + if intersection_found : + pc := pc cutbefore cc ; + drawarrow pc boxlineoptions ; + fi ; + elseif pospages[2] == RealPageNumber : + draw posboxes[2] boxlineoptions ; + path pc ; pc := ulcorner (posregions[2] enlarged (20pt,20pt)) {right} ... {down} center pb ; + pair cc ; cc := (pc intersection_point pb) ; + if intersection_found : + pc := pc cutafter cc ; + drawarrow pc boxlineoptions ; + fi ; + fi ; + fi ; +enddef ; + +% anch-bar: + +def anch_sidebars_draw (expr p_b_self, p_e_self, y_b_self, y_e_self, h_b_self, d_e_self, + x, y, w, h, alternative, distance, linewidth, linecolor, topoffset, bottomoffset) = + % beware, we anchor at (x,y) + begingroup ; + if alternative = 1 : + interim linecap := rounded ; + else : + interim linecap := butt ; + fi ; + save a, b ; pair a, b ; + if p_b_self = p_e_self : + a := (-distance,y_b_self+h_b_self-y) ; + b := (-distance,y_e_self-d_e_self-y) ; + elseif RealPageNumber = p_b_self : + a := (-distance,y_b_self+h_b_self-y) ; + b := (-distance,0) ; + elseif RealPageNumber = p_e_self : + a := (-distance,h) ; + b := (-distance,y_e_self-d_e_self-y) ; + else : + a := (-distance,h) ; + b := (-distance,0) ; + fi ; + a := (xpart a, min(ypart a + topoffset, h)) ; + b := (xpart b, max(ypart b - bottomoffset,0)) ; + draw + a -- b + if alternative = 1 : + dashed (withdots scaled (linewidth/2)) + fi + withpen pencircle scaled linewidth + withcolor linecolor ; + endgroup ; +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-asnc.mpiv b/Master/texmf-dist/metapost/context/base/mp-asnc.mpiv new file mode 100644 index 00000000000..cfee782e778 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-asnc.mpiv @@ -0,0 +1,177 @@ +%D \module +%D [ file=mp-asnc.mp, +%D version=2012.02.19, % was mp-core: 1999.08.01, anchoring +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=anchored background macros, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +if known context_asnc : endinput ; fi ; + +boolean context_av ; context_asnc := true ; + +% will be replaced + +numeric sync_n[], sync_p[][], sync_w[][], sync_h[][], sync_d[][], sync_t[][] ; +pair sync_xy[][] ; color sync_c[][] ; + +def ResetSyncTasks = + path SyncPaths[] ; numeric SyncTasks[], NOfSyncPaths, CurrentSyncClass ; + NOfSyncPaths := CurrentSyncClass := 0 ; + if unknown SyncLeftOffset : numeric SyncLeftOffset ; SyncLeftOffset := 0 ; fi ; + if unknown SyncWidth : numeric SyncWidth ; SyncWidth := 0 ; fi ; + if unknown SyncThreshold : numeric SyncThreshold ; SyncThreshold := LineHeight ; fi ; + if unknown SyncColor : color SyncColor ; SyncColor := .5white ; fi ; + if (SyncLeftOffset = 0) and (SyncWidth = 0) : + SyncWidth := if known TextWidth : TextWidth else : -1cm fi ; + fi ; +enddef ; + +ResetSyncTasks ; + +vardef SyncBox(expr n, i, leftoffset, width, topoffset, bottomoffset) = + save o ; pair o ; o := (xpart llcorner PlainTextArea,ypart sync_xy[n][i]) ; + o shifted (leftoffset,sync_h[n][i]+topoffset) -- + o shifted (width+leftoffset,sync_h[n][i]+topoffset) -- + o shifted (width+leftoffset,bottomoffset) -- + o shifted (leftoffset,bottomoffset) -- cycle +enddef ; + +def SetSyncColor(expr n, i, c) = + sync_c[n][i] := c ; +enddef ; + +def SetSyncThreshold(expr n, i, th) = + sync_th[n][i] := th ; +enddef ; + +vardef TheSyncColor(expr n, i) = + if known sync_c[n][i] : sync_c[n][i] else : SyncColor fi +enddef ; + +vardef TheSyncThreshold(expr n, i) = + if known sync_th[n][i] : sync_th[n][i] else : SyncThreshold fi +enddef ; + +vardef PrepareSyncTasks(expr n, collapse, extendtop, prestartnext) = + ResetSyncTasks ; + if known sync_n[n] : + CurrentSyncClass := n ; + save ok, l, d ; boolean ok ; ok := false ; NOfSyncPaths := l := 0 ; + for i=1 upto sync_n[n] : + if RealPageNumber > sync_p[n][i] : + l := i ; + elseif RealPageNumber = sync_p[n][i] : + NOfSyncPaths := NOfSyncPaths + 1 ; + if not ok : + if i>1 : + if sync_t[n][i-1] = sync_t[n][i] : + SyncPaths[NOfSyncPaths] := SyncBox(n, i, SyncLeftOffset, SyncWidth, PaperHeight, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i ; + else : + SyncPaths[NOfSyncPaths] := SyncBox(n, i-1, SyncLeftOffset, SyncWidth, PaperHeight, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i-1 ; + NOfSyncPaths := NOfSyncPaths + 1 ; + SyncPaths[NOfSyncPaths] := SyncBox(n, i, SyncLeftOffset, SyncWidth, 0, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i ; + fi ; + else : + SyncPaths[NOfSyncPaths] := SyncBox(n, i, SyncLeftOffset, SyncWidth, 0, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i ; + fi ; + else : + SyncPaths[NOfSyncPaths] := SyncBox(n, i, SyncLeftOffset, SyncWidth, 0, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i ; + fi ; + ok := true ; + fi ; + endfor ; + if (NOfSyncPaths = 0) and (l > 0) : + NOfSyncPaths := 1 ; + SyncPaths[NOfSyncPaths] := SyncBox(n, l, SyncLeftOffset, SyncWidth, PaperHeight, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := l ; + fi ; + if NOfSyncPaths > 0 : + for i = 1 upto NOfSyncPaths-1 : + SyncPaths[i] := topboundary SyncPaths[i] -- reverse topboundary SyncPaths[i+1] -- cycle ; + endfor ; + if unknown SyncThresholdMethod : + numeric SyncThresholdMethod ; SyncThresholdMethod := 2 ; + fi ; + if extendtop : + if SyncThresholdMethod = 1 : + if NOfSyncPaths>1 : + d := ypart (ulcorner PlainTextArea - sync_xy[n][SyncTasks[2]]) ; + if (SyncTasks[2]>1) and (d > 0pt) and (d <= TheSyncThreshold(n,sync_t[n][SyncTasks[2]])) and (sync_p[n][SyncTasks[2]] = RealPageNumber) : + SyncPaths[2] := SyncPaths[2] topenlarged PaperHeight ; + fi ; + fi ; + else : + for i = 1 upto NOfSyncPaths : + d := ypart (ulcorner PlainTextArea - sync_xy[n][SyncTasks[i]]) ; + if (d > 0) and (d <= TheSyncThreshold(n,sync_t[n][SyncTasks[i]])) and (sync_p[n][SyncTasks[i]] = RealPageNumber) : + SyncPaths[i] := SyncPaths[i] topenlarged PaperHeight ; + fi ; + endfor ; + fi ; + fi ; + if prestartnext : + if NOfSyncPaths>1 : + if SyncTasks[NOfSyncPaths] < sync_n[n] : % there is a next one + d := ypart (ulcorner PlainTextArea - sync_xy[n][SyncTasks[NOfSyncPaths]+1]) ; + if (d > 0) and (d <= TheSyncThreshold(n, sync_t[n][SyncTasks[i]])) and (sync_p[n][SyncTasks[NOfSyncPaths]+1] = RealPageNumber+1) : + SyncPaths[NOfSyncPaths+1] := + (xpart ulcorner SyncPaths[NOfSyncPaths],ypart llcorner PlainTextArea) -- + (xpart urcorner SyncPaths[NOfSyncPaths],ypart llcorner PlainTextArea) -- + lrcorner SyncPaths[NOfSyncPaths] -- + llcorner SyncPaths[NOfSyncPaths] -- cycle ; + SyncTasks[NOfSyncPaths+1] := SyncTasks[NOfSyncPaths]+1 ; + NOfSyncPaths := NOfSyncPaths + 1 ; + fi ; + fi ; + fi ; + else : + if NOfSyncPaths>1 : + d := ypart (sync_xy[n][SyncTasks[NOfSyncPaths]] - llcorner PlainTextArea) ; + if (d < TheSyncThreshold(n, SyncTasks[NOfSyncPaths])) : + NOfSyncPaths := NOfSyncPaths - 1 ; + SyncPaths[NOfSyncPaths] := SyncPaths[NOfSyncPaths] bottomenlarged PaperHeight ; + fi ; + fi ; + fi ; + if (NOfSyncPaths>1) and collapse : + save j ; numeric j ; j := 1 ; + for i = 2 upto NOfSyncPaths : + if sync_t[n][SyncTasks[i]] = sync_t[n][SyncTasks[j]] : + SyncPaths[j] := boundingbox image (draw SyncPaths[i] ; draw SyncPaths[j] ; ) ; + SyncTasks[j] := SyncTasks[i] ; + else : + j := j + 1 ; + SyncPaths[j] := SyncPaths[i] ; + SyncTasks[j] := SyncTasks[i] ; + fi ; + endfor ; + NOfSyncPaths := j ; + fi ; + fi ; + fi ; +enddef ; + +def SyncTask(expr n) = + if known SyncTasks[n] : SyncTasks[n] else : 0 fi +enddef ; + +def FlushSyncTasks = + for i = 1 upto NOfSyncPaths : + ProcessSyncTask(SyncPaths[i], TheSyncColor(CurrentSyncClass,sync_t[CurrentSyncClass][SyncTasks[i]])) ; + endfor ; +enddef ; + +def ProcessSyncTask(expr p, c) = + fill p withcolor c ; +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-back.mp b/Master/texmf-dist/metapost/context/base/mp-back.mp index f49474cf77f..f588adea9c4 100644 --- a/Master/texmf-dist/metapost/context/base/mp-back.mp +++ b/Master/texmf-dist/metapost/context/base/mp-back.mp @@ -11,8 +11,7 @@ %C therefore copyrighted by \PRAGMA. See licen-en.pdf for %C details. -if unknown context_tool : input mp-tool ; fi ; -if known context_back : endinput ; fi ; +if known context_back : endinput ; fi ; boolean context_back ; context_back := true ; diff --git a/Master/texmf-dist/metapost/context/base/mp-base.mp b/Master/texmf-dist/metapost/context/base/mp-base.mpii index 93cb5e90c8d..93cb5e90c8d 100644 --- a/Master/texmf-dist/metapost/context/base/mp-base.mp +++ b/Master/texmf-dist/metapost/context/base/mp-base.mpii diff --git a/Master/texmf-dist/metapost/context/base/mp-base.mpiv b/Master/texmf-dist/metapost/context/base/mp-base.mpiv new file mode 100644 index 00000000000..7b3a69bb031 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-base.mpiv @@ -0,0 +1,867 @@ +% This is a reformatted copy of the plain.mp file. We use a copy +% because (1) we want to make sure that there are no unresolved +% dependencies, and (2) we may patch this file eventually. + +% This file gives the macros for plain MetaPost It contains all the +% features of plain METAFONT except those specific to font-making. +% There are also a number of macros for labeling figures, etc. + +% For practical reasons I have moved some new code here (and might +% remove some code as well). After all, there is no development in +% this format. + +string base_name, base_version ; + +base_name := "plain" ; +base_version := "0.63" ; + +message "Preloading the plain mem file, version " & base_version ; + +delimiters () ; % this makes parentheses behave like parentheses + +def upto = step 1 until enddef ; +def downto = step -1 until enddef ; + +def exitunless expr c = + exitif not c +enddef ; + +let relax = \ ; % ignore the word relax, as in TeX +let \\ = \ ; % double relaxation is like single + +def [[ = [ [ enddef ; +def ]] = ] ] enddef ; + +def -- = + {curl 1} .. {curl 1} +enddef ; + +def --- = + .. tension infinity .. +enddef ; + +def ... = + .. tension atleast 1 .. +enddef ; + +def gobble primary g = +enddef ; + +primarydef g gobbled gg = +enddef ; + +def hide(text t) = + exitif numeric begingroup t ; endgroup ; +enddef ; + +def ??? = + hide ( + interim showstopping := 1 ; + showdependencies + ) +enddef ; + +def stop expr s = + message s ; + gobble readstring +enddef ; + +warningcheck :=1 ; +tracinglostchars :=1 ; + +def interact = % sets up to make "show" commands stop + hide ( + showstopping := 1 ; + tracingonline := 1 ; + ) +enddef ; + +def loggingall = % puts tracing info into the log + tracingcommands := 3 ; + tracingtitles := 1 ; + tracingequations := 1 ; + tracingcapsules := 1 ; + tracingspecs := 2 ; + tracingchoices := 1 ; + tracinglostchars := 1 ; + tracingstats := 1 ; + tracingoutput := 1 ; + tracingmacros := 1 ; + tracingrestores := 1 ; +enddef ; + +def tracingall = % turns on every form of tracing + tracingonline := 1 ; + showstopping := 1 ; + loggingall ; +enddef ; + +def tracingnone = % turns off every form of tracing + tracingcommands := 0 ; + tracingtitles := 0 ; + tracingequations := 0 ; + tracingcapsules := 0 ; + tracingspecs := 0 ; + tracingchoices := 0 ; + tracinglostchars := 0 ; + tracingstats := 0 ; + tracingoutput := 0 ; + tracingmacros := 0 ; + tracingrestores := 0 ; +enddef ; + +%% dash patterns + +vardef dashpattern(text t) = + save on, off, w ; + let on = _on_ ; + let off = _off_ ; + w = 0 ; + nullpicture t +enddef ; + +tertiarydef p _on_ d = + begingroup save pic ; + picture pic; + pic = p ; + addto pic doublepath (w,w) .. (w+d,w) ; + w := w + d ; + pic shifted (0,d) + endgroup +enddef ; + +tertiarydef p _off_ d = + begingroup w := w + d ; + p shifted (0,d) + endgroup +enddef ; + +%% basic constants and mathematical macros + +% numeric constants + +newinternal eps, epsilon, infinity, _ ; + +eps := .00049 ; % this is a pretty small positive number +epsilon := 1/256/256 ; % but this is the smallest +infinity := 4095.99998 ; % and this is the largest +_ := -1 ; % internal constant to make macros unreadable but shorter + +% linejoin and linecap types + +newinternal mitered, rounded, beveled, butt, squared ; + +mitered := 0 ; rounded := 1 ; beveled := 2 ; +butt := 0 ; rounded := 1 ; squared := 2 ; + +% pair constants + +pair right, left, up, down, origin; + +origin = (0,0) ; +up = -down = (0,1) ; +right = -left = (1,0) ; + +% path constants + +path quartercircle, halfcircle, fullcircle, unitsquare ; + +fullcircle = makepath pencircle ; +halfcircle = subpath (0,4) of fullcircle ; +quartercircle = subpath (0,2) of fullcircle ; +unitsquare = (0,0) -- (1,0) -- (1,1) -- (0,1) -- cycle ; + +% transform constants + +transform identity ; + +for z=origin,right,up : + z transformed identity = z ; +endfor + +% color constants (all in rgb color space) + +color black, white, red, green, blue, cyan, magenta, yellow, background; + +black := (0,0,0) ; +white := (1,1,1) ; +red := (1,0,0) ; +green := (0,1,0) ; +blue := (0,0,1) ; +cyan := (0,1,1) ; +magenta := (1,0,1) ; +yellow := (1,1,0) ; + +background := white ; % obsolete + +let graypart = greypart ; +let graycolor = greycolor ; + +% picture constants + +picture blankpicture, evenly, withdots ; + +blankpicture = nullpicture ; % display blankpicture... +evenly = dashpattern(on 3 off 3) ; % dashed evenly +withdots = dashpattern(off 2.5 on 0 off 2.5) ; % dashed withdots + +% string constants + +string ditto, EOF ; + +ditto = char 34 ; % ASCII double-quote mark +EOF = char 0 ; % end-of-file for readfrom and write..to + +% pen constants + +pen pensquare, penrazor, penspeck ; + +pensquare = makepen(unitsquare shifted -(.5,.5)) ; +penrazor = makepen((-.5,0) -- (.5,0) -- cycle) ; +penspeck = pensquare scaled eps ; + +% nullary operators + +vardef whatever = + save ? ; + ? +enddef ; + +% unary operators + +let abs = length ; + +vardef round primary u = + if numeric u : + floor(u+.5) + elseif pair u : + (round xpart u, round ypart u) + else : + u + fi +enddef ; + +vardef ceiling primary x = + -floor(-x) +enddef ; + +vardef byte primary s = + if string s : + ASCII + fi s +enddef ; + +vardef dir primary d = + right rotated d +enddef ; + +vardef unitvector primary z = + z/abs z +enddef ; + +vardef inverse primary T = + transform T_ ; + T_ transformed T = identity ; + T_ +enddef ; + +vardef counterclockwise primary c = + if turningnumber c <= 0 : + reverse + fi c +enddef ; + +vardef tensepath expr r = + for k=0 upto length r - 1 : + point k of r --- + endfor + if cycle r : + cycle + else : + point infinity of r + fi +enddef ; + +vardef center primary p = + .5[llcorner p, urcorner p] +enddef ; + +% binary operators + +primarydef x mod y = + (x-y*floor(x/y)) +enddef ; + +primarydef x div y = + floor(x/y) +enddef ; + +primarydef w dotprod z = + (xpart w * xpart z + ypart w * ypart z) +enddef ; + +primarydef x**y = + if y=2 : + x*x + else : + takepower y of x + fi +enddef ; + +def takepower expr y of x = + if x>0 : + mexp(y*mlog x) + elseif (x=0) and (y>0) : + 0 + else : + 1 + if y = floor y : + if y >= 0 : + for n=1 upto y : + *x + endfor + else : + for n=-1 downto y : + /x + endfor + fi + else : + hide(errmessage "Undefined power: " & decimal x&"**"&decimal y) + fi + fi +enddef ; + +vardef direction expr t of p = + postcontrol t of p - precontrol t of p +enddef ; + +vardef directionpoint expr z of p = + a_ := directiontime z of p ; + if a_ < 0 : + errmessage("The direction doesn't occur") ; + fi + point a_ of p +enddef ; + +secondarydef p intersectionpoint q = + begingroup + save x_, y_ ; + (x_,y_) = p intersectiontimes q ; + if x_ < 0 : + errmessage("The paths don't intersect") ; + origin + else : + .5[point x_ of p, point y_ of q] + fi + endgroup +enddef ; + +tertiarydef p softjoin q = + begingroup + c_ := fullcircle scaled 2join_radius shifted point 0 of q ; + a_ := ypart(c_ intersectiontimes p) ; + b_ := ypart(c_ intersectiontimes q) ; + if a_ < 0 : + point 0 of p{direction 0 of p} + else : + subpath(0,a_) of p + fi + ... + if b_ < 0 : + {direction infinity of q} point infinity of q + else : + subpath(b_,infinity) of q + fi + endgroup +enddef ; + +newinternal join_radius, a_, b_ ; path c_ ; + +path cuttings ; % what got cut off + +tertiarydef a cutbefore b = % tries to cut as little as possible + begingroup + save t ; + (t, whatever) = a intersectiontimes b ; + if t < 0 : + cuttings := point 0 of a ; + a + else : + cuttings := subpath (0,t) of a ; + subpath (t,length a) of a + fi + endgroup +enddef ; + +tertiarydef a cutafter b = + reverse (reverse a cutbefore b) + hide(cuttings := reverse cuttings) +enddef ; + +% special operators + +vardef incr suffix $ = $:=$+1; $ enddef ; +vardef decr suffix $ = $:=$-1; $ enddef ; + +def reflectedabout(expr w,z) = % reflects about the line w..z + transformed + begingroup + transform T_ ; + w transformed T_ = w ; + z transformed T_ = z ; + xxpart T_ = -yypart T_ ; + xypart T_ = yxpart T_ ; % T_ is a reflection + T_ + endgroup +enddef ; + +def rotatedaround(expr z, d) = % rotates d degrees around z + shifted -z rotated d shifted z +enddef ; + +let rotatedabout = rotatedaround ; % for roundabout people + +vardef min(expr u)(text t) = % t is a list of numerics, pairs, or strings + save u_ ; + setu_ u ; + for uu = t : + if uu < u_ : + u_ := uu ; + fi + endfor + u_ +enddef ; + +vardef max(expr u)(text t) = % t is a list of numerics, pairs, or strings + save u_ ; + setu_ u ; + for uu = t : + if uu > u_ : + u_ := uu ; + fi + endfor + u_ +enddef ; + +def setu_ primary u = + if pair u : + pair u_ + elseif string u : + string u_ + fi ; + u_=u +enddef ; + +def flex(text t) = % t is a list of pairs + hide ( + n_ := 0 ; + for z=t : + z_[incr n_] := z ; + endfor + dz_ := z_[n_]-z_1 + ) + z_1 for k=2 upto n_-1 : + ... z_[k]{dz_} + endfor ... z_[n_] +enddef ; + +newinternal n_; pair z_[],dz_; + +def superellipse(expr r,t,l,b,s) = + r { up } ... (s[xpart t,xpart r],s[ypart r,ypart t]) { t-r } ... + t { left } ... (s[xpart t,xpart l],s[ypart l,ypart t]) { l-t } ... + l { down } ... (s[xpart b,xpart l],s[ypart l,ypart b]) { b-l } ... + b { right } ... (s[xpart b,xpart r],s[ypart r,ypart b]) { r-b } ... cycle enddef ; + +vardef interpath(expr a,p,q) = + for t=0 upto length p-1 : + a[point t of p, point t of q] .. controls a[postcontrol t of p, postcontrol t of q] and a[precontrol t+1 of p, precontrol t+1 of q] .. + endfor + if cycle p : + cycle + else : + a[point infinity of p, point infinity of q] + fi +enddef ; + +vardef solve@#(expr true_x,false_x)= % @#(true_x)=true, @#(false_x)=false + tx_:=true_x; fx_:=false_x; + forever : + x_ := .5[tx_,fx_] ; + exitif abs(tx_-fx_) <= tolerance ; + if @#(x_) : + tx_ + else : + fx_ + fi := x_ ; + endfor + x_ % now x_ is near where @# changes from true to false +enddef ; + +newinternal tolerance, tx_, fx_, x_ ; + +tolerance := .01 ; + +vardef buildcycle(text ll) = + save ta_, tb_, k_, i_, pp_ ; path pp_[] ; + k_ = 0 ; + for q=ll : + pp_[incr k_] = q ; + endfor + i_ = k_ ; + for i=1 upto k_ : + (ta_[i], length pp_[i_]-tb_[i_]) = pp_[i] intersectiontimes reverse pp_[i_] ; + if ta_[i]<0 : + errmessage("Paths "& decimal i &" and "& decimal i_ &" don't intersect") ; + fi + i_ := i; + endfor + for i=1 upto k_ : + subpath (ta_[i],tb_[i]) of pp_[i] .. + endfor + cycle +enddef ; + +%% units of measure + +mm := 2.83464 ; +pt := 0.99626 ; +dd := 1.06601 ; +bp := 1 ; +cm := 28.34645 ; +pc := 11.95517 ; +cc := 12.79213 ; +in := 72 ; + +vardef magstep primary m = % obsolete + mexp(46.67432m) +enddef ; + +%% macros for drawing and filling + +def drawoptions(text t) = + def _op_ = t enddef +enddef ; + +% parameters that effect drawing + +linejoin := rounded ; +linecap := rounded ; +miterlimit := 10 ; + +drawoptions() ; + +pen currentpen ; +picture currentpicture ; + +def fill expr c = + addto currentpicture contour c _op_ +enddef ; + +def draw expr p = + addto currentpicture + if picture p : + also p + else : + doublepath p withpen currentpen + fi + _op_ +enddef ; + +def filldraw expr c = + addto currentpicture contour c withpen currentpen _op_ +enddef ; + +def drawdot expr z = + addto currentpicture contour makepath currentpen shifted z _op_ +enddef ; + +def unfill expr c = fill c withcolor background enddef ; +def undraw expr p = draw p withcolor background enddef ; +def unfilldraw expr c = filldraw c withcolor background enddef ; +def undrawdot expr z = drawdot z withcolor background enddef ; + +def erase text t = + def _e_ = + withcolor background hide(def _e_ = enddef ;) + enddef ; + t _e_ +enddef ; + +def _e_ = enddef ; + +def cutdraw text t = + begingroup + interim linecap := butt ; + draw t _e_ ; + endgroup +enddef ; + +vardef image(text t) = + save currentpicture ; + picture currentpicture ; + currentpicture := nullpicture ; + t ; + currentpicture +enddef ; + +def pickup secondary q = + if numeric q : + numeric_pickup_ + else : + pen_pickup_ + fi q +enddef ; + +def numeric_pickup_ primary q = + if unknown pen_[q] : + errmessage "Unknown pen" ; + clearpen + else : + currentpen := pen_ [q] ; + pen_lft := pen_lft_[q] ; + pen_rt := pen_rt_ [q] ; + pen_top := pen_top_[q] ; + pen_bot := pen_bot_[q] ; + currentpen_path := pen_path_[q] + fi ; +enddef ; + +def pen_pickup_ primary q = + currentpen := q ; + pen_lft :=xpart penoffset down of currentpen ; + pen_rt :=xpart penoffset up of currentpen ; + pen_top :=ypart penoffset left of currentpen ; + pen_bot :=ypart penoffset right of currentpen ; + path currentpen_path ; +enddef ; + +newinternal pen_lft, pen_rt, pen_top, pen_bot, pen_count_ ; + +vardef savepen = + pen_[incr pen_count_] = currentpen ; + pen_lft_ [pen_count_] = pen_lft ; + pen_rt_ [pen_count_] = pen_rt ; + pen_top_ [pen_count_] = pen_top ; + pen_bot_ [pen_count_] = pen_bot ; + pen_path_[pen_count_] = currentpen_path ; + pen_count_ +enddef ; + +def clearpen = currentpen:=nullpen; + pen_lft := pen_rt := pen_top := pen_bot := 0 ; + path currentpen_path ; +enddef ; + +def clear_pen_memory = + pen_count_ := 0 ; + numeric pen_lft_[], pen_rt_[], pen_top_[], pen_bot_[] ; + pen currentpen, pen_[]; + path currentpen_path, pen_path_[] ; +enddef ; + +vardef lft primary x = x + if pair x: (pen_lft,0) else: pen_lft fi enddef ; +vardef rt primary x = x + if pair x: (pen_rt,0) else: pen_rt fi enddef ; +vardef top primary y = y + if pair y: (0,pen_top) else: pen_top fi enddef ; +vardef bot primary y = y + if pair y: (0,pen_bot) else: pen_bot fi enddef ; + +vardef penpos@#(expr b,d) = + (x@#r-x@#l,y@#r-y@#l) = (b,0) rotated d ; + x@# = .5(x@#l+x@#r) ; + y@# = .5(y@#l+y@#r) ; % ; added HH +enddef ; + +path path_.l, path_.r ; + +def penstroke text t = + forsuffixes e = l, r : + path_.e := t ; + endfor + fill path_.l -- reverse path_.r -- cycle +enddef ; + +%% High level drawing commands + +newinternal ahlength, ahangle ; + +ahlength := 4 ; % default arrowhead length 4bp +ahangle := 45 ; % default head angle 45 degrees + +vardef arrowhead expr p = + save q, e ; path q ; pair e ; + e = point length p of p ; + q = gobble(p shifted -e cutafter makepath(pencircle scaled 2ahlength)) cuttings ; + (q rotated .5ahangle & reverse q rotated -.5ahangle -- cycle) shifted e +enddef ; + +path _apth ; + +def drawarrow expr p = _apth := p ; _finarr enddef ; +def drawdblarrow expr p = _apth := p ; _findarr enddef ; + +def _finarr text t = + draw _apth t ; + filldraw arrowhead _apth t +enddef ; + +def _findarr text t = + draw _apth t ; + fill arrowhead _apth withpen currentpen t ; + fill arrowhead reverse _apth withpen currentpen t ; % ; added HH +enddef ; + +%% macros for labels + +newinternal bboxmargin ; + +bboxmargin := 2bp ; % this can bite you + +vardef bbox primary p = + llcorner p - ( bboxmargin, bboxmargin) -- + lrcorner p + ( bboxmargin,-bboxmargin) -- + urcorner p + ( bboxmargin, bboxmargin) -- + ulcorner p + (-bboxmargin, bboxmargin) -- cycle +enddef ; + +string defaultfont ; newinternal defaultscale, labeloffset ; + +defaultfont := "cmr10" ; +defaultscale := 1 ; +labeloffset := 3bp ; + +vardef thelabel@#(expr s,z) = % Position s near z + save p ; picture p ; + if picture s : + p = s + else : + p = s infont defaultfont scaled defaultscale + fi ; + p shifted (z + labeloffset*laboff@# - ( labxf@#*lrcorner p + labyf@#*ulcorner p + (1-labxf@#-labyf@#)*llcorner p) ) +enddef ; + +def label = + draw thelabel +enddef ; + +newinternal dotlabeldiam ; + +dotlabeldiam := 3bp ; + +vardef dotlabel@#(expr s,z) text t_ = + label@#(s,z) t_ ; + % label@#(s,z) ; + interim linecap := rounded ; + draw z withpen pencircle scaled dotlabeldiam t_ ; +enddef ; + +def makelabel = + dotlabel +enddef ; + +% this will be overloaded + +pair laboff, laboff.lft, laboff.rt, laboff.top, laboff.bot ; +pair laboff.ulft, laboff.llft, laboff.urt, laboff.lrt ; + +laboff = (0,0) ; labxf = .5 ; labyf = .5 ; +laboff.lft = (-1,0) ; labxf.lft = 1 ; labyf.lft = .5 ; +laboff.rt = (1,0) ; labxf.rt = 0 ; labyf.rt = .5 ; +laboff.bot = (0,-1) ; labxf.bot = .5 ; labyf.bot = 1 ; +laboff.top = (0,1) ; labxf.top = .5 ; labyf.top = 0 ; +laboff.ulft = (-.7,.7) ; labxf.ulft = 1 ; labyf.ulft = 0 ; +laboff.urt = (.7,.7) ; labxf.urt = 0 ; labyf.urt = 0 ; +laboff.llft = -(.7,.7) ; labxf.llft = 1 ; labyf.llft = 1 ; +laboff.lrt = (.7,-.7) ; labxf.lrt = 0 ; labyf.lrt = 1 ; + +vardef labels@#(text t) = + forsuffixes $=t : + label@#(str$,z$) ; + endfor +enddef ; + +% til lhere + +vardef dotlabels@#(text t) = + forsuffixes $=t: + dotlabel@#(str$,z$) ; + endfor +enddef ; + +vardef penlabels@#(text t) = + forsuffixes $$=l,,r : + forsuffixes $=t : + makelabel@#(str$.$$,z$.$$) ; + endfor + endfor +enddef ; + +def range expr x = + numtok[x] +enddef ; + +def numtok suffix x = + x +enddef ; + +tertiarydef m thru n = + m for x=m+1 step 1 until n : + , numtok[x] + endfor +enddef ; + +%% Overall administration + +string extra_beginfig, extra_endfig ; + +extra_beginfig := "" ; +extra_endfig := "" ; + +def beginfig(expr c) = + begingroup + charcode := c ; + clearxy ; + clearit ; + clearpen ; + pickup defaultpen ; + drawoptions() ; + scantokens extra_beginfig ; +enddef ; + +def endfig = + ; % added by HH + scantokens extra_endfig ; + shipit ; + endgroup +enddef ; + +%% last-minute items + +vardef z@# = + (x@#,y@#) +enddef ; + +def clearxy = + save x, y +enddef ; + +def clearit = + currentpicture := nullpicture +enddef ; + +def shipit = + shipout currentpicture +enddef ; + +let bye = end ; +outer end, bye ; + +clear_pen_memory ; % initialize the savepen mechanism +clearit ; + +% set default line width + +newinternal defaultpen ; + +pickup pencircle scaled .5bp ; + +defaultpen := savepen ; diff --git a/Master/texmf-dist/metapost/context/base/mp-butt.mp b/Master/texmf-dist/metapost/context/base/mp-butt.mp deleted file mode 100644 index cf580211e59..00000000000 --- a/Master/texmf-dist/metapost/context/base/mp-butt.mp +++ /dev/null @@ -1,75 +0,0 @@ -%D \module -%D [ file=mp-butt.mp, -%D version=2000.05.31, -%D title=\CONTEXT\ \METAPOST\ graphics, -%D subtitle=buttons, -%D author=Hans Hagen, -%D date=\currentdate, -%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] -%C -%C This module is part of the \CONTEXT\ macro||package and is -%C therefore copyrighted by \PRAGMA. See licen-en.pdf for -%C details. - -if unknown context_tool : input mp-tool ; fi ; -if known context_butt : endinput ; fi ; - -boolean context_butt ; context_butt := true ; - -def some_button (expr button_type , - button_size , - button_linecolor , - button_fillcolor ) = - - numeric button_linewidth ; button_linewidth := button_size/10 ; - - drawoptions (withpen pencircle scaled button_linewidth - withcolor button_linecolor) ; - - path p ; p := unitsquare scaled button_size ; - numeric d ; d := button_size ; - numeric l ; l := button_linewidth ; - - fill p withcolor button_fillcolor ; draw p ; - - if button_type=101 : - draw (d-2l,2l)--(2l,.5d)--(d-2l,d-2l)--cycle ; - elseif button_type=102 : - draw (2l,2l)--(d-2l,.5d)--(2l,d-2l)--cycle ; - elseif button_type=103 : - for i=2l step 2l until d-2l : - draw (2l,i)--(2l ,i) ; - draw (4l,i)--(d-2l,i) ; - endfor ; - elseif button_type=104 : - for i=2l step 2l until d-2l : - draw (2l ,i)--(d/2-l,i) ; - draw (d/2+l,i)--(d-2l ,i) ; - endfor ; - elseif button_type=105 : - fill fullcircle scaled (.2d) shifted (.5d,.7d) ; - fill fullcircle xscaled (.6d) yscaled d shifted (.5d,0) ; - clip currentpicture to p ; - draw p ; - elseif button_type=106 : - draw (2l,2l)--(d-2l,d-2l) ; - draw (d-2l,2l)--(2l,d-2l) ; - elseif button_type=107 : - p := (3l,d-2l)--(d-3l,d-2l)--(.5d,4l)--cycle ; - fill p ; draw p ; - draw (.5d,2l) ; - elseif button_type=108 : - draw (.5d,2l)--(d-2l,d-2l)--(2l,d-2l)--cycle ; - elseif button_type=109 : - draw (.5d,d-2l)--(d-2l,2l)--(2l,2l)--cycle ; - elseif button_type=110 : - button_linewidth := button_linewidth/2 ; - draw p enlarged (-2l,-l) ; - for i=2l step l until d-2l : - draw (3l,i)--(d-3l,i) ; - endfor ; - fi ; - -enddef ; - -endinput ; diff --git a/Master/texmf-dist/metapost/context/base/mp-butt.mpii b/Master/texmf-dist/metapost/context/base/mp-butt.mpii new file mode 100644 index 00000000000..5c1edd42ebb --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-butt.mpii @@ -0,0 +1,77 @@ +%D \module +%D [ file=mp-butt.mp, +%D version=2000.05.31, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=buttons, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +if known context_butt : endinput ; fi ; + +boolean context_butt ; context_butt := true ; + +def predefinedbutton (expr button_type, button_size, button_linecolor, button_fillcolor) = + + begingroup ; + + save button_linewidth, p, d, l ; + + numeric button_linewidth ; button_linewidth := button_size/10 ; + + drawoptions (withpen pencircle scaled button_linewidth withcolor button_linecolor) ; + + path p ; p := unitsquare scaled button_size ; + numeric d ; d := button_size ; + numeric l ; l := button_linewidth ; + + fill p withcolor button_fillcolor ; + draw p ; + + if button_type = 101 : + draw (d-2l,2l)--(2l,.5d)--(d-2l,d-2l)--cycle ; + elseif button_type = 102 : + draw (2l,2l)--(d-2l,.5d)--(2l,d-2l)--cycle ; + elseif button_type = 103 : + for i=2l step 2l until d-2l : + draw (2l,i)--(2l ,i) ; + draw (4l,i)--(d-2l,i) ; + endfor ; + elseif button_type = 104 : + for i=2l step 2l until d-2l : + draw (2l ,i)--(d/2-l,i) ; + draw (d/2+l,i)--(d-2l ,i) ; + endfor ; + elseif button_type = 105 : + fill fullcircle scaled (.2d) shifted (.5d,.7d) ; + fill fullcircle xscaled (.6d) yscaled d shifted (.5d,0) ; + clip currentpicture to p ; + draw p ; + elseif button_type = 106 : + draw (2l,2l)--(d-2l,d-2l) ; + draw (d-2l,2l)--(2l,d-2l) ; + elseif button_type = 107 : + p := (3l,d-2l)--(d-3l,d-2l)--(.5d,4l)--cycle ; + fill p ; draw p ; + draw (.5d,2l) ; + elseif button_type = 108 : + draw (.5d,2l)--(d-2l,d-2l)--(2l,d-2l)--cycle ; + elseif button_type = 109 : + draw (.5d,d-2l)--(d-2l,2l)--(2l,2l)--cycle ; + elseif button_type = 110 : + button_linewidth := button_linewidth/2 ; + draw p enlarged (-2l,-l) ; + for i=2l step l until d-2l : + draw (3l,i)--(d-3l,i) ; + endfor ; + fi ; + + endgroup ; + +enddef ; + +let some_button = predefinedbutton diff --git a/Master/texmf-dist/metapost/context/base/mp-butt.mpiv b/Master/texmf-dist/metapost/context/base/mp-butt.mpiv new file mode 100644 index 00000000000..5c1edd42ebb --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-butt.mpiv @@ -0,0 +1,77 @@ +%D \module +%D [ file=mp-butt.mp, +%D version=2000.05.31, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=buttons, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +if known context_butt : endinput ; fi ; + +boolean context_butt ; context_butt := true ; + +def predefinedbutton (expr button_type, button_size, button_linecolor, button_fillcolor) = + + begingroup ; + + save button_linewidth, p, d, l ; + + numeric button_linewidth ; button_linewidth := button_size/10 ; + + drawoptions (withpen pencircle scaled button_linewidth withcolor button_linecolor) ; + + path p ; p := unitsquare scaled button_size ; + numeric d ; d := button_size ; + numeric l ; l := button_linewidth ; + + fill p withcolor button_fillcolor ; + draw p ; + + if button_type = 101 : + draw (d-2l,2l)--(2l,.5d)--(d-2l,d-2l)--cycle ; + elseif button_type = 102 : + draw (2l,2l)--(d-2l,.5d)--(2l,d-2l)--cycle ; + elseif button_type = 103 : + for i=2l step 2l until d-2l : + draw (2l,i)--(2l ,i) ; + draw (4l,i)--(d-2l,i) ; + endfor ; + elseif button_type = 104 : + for i=2l step 2l until d-2l : + draw (2l ,i)--(d/2-l,i) ; + draw (d/2+l,i)--(d-2l ,i) ; + endfor ; + elseif button_type = 105 : + fill fullcircle scaled (.2d) shifted (.5d,.7d) ; + fill fullcircle xscaled (.6d) yscaled d shifted (.5d,0) ; + clip currentpicture to p ; + draw p ; + elseif button_type = 106 : + draw (2l,2l)--(d-2l,d-2l) ; + draw (d-2l,2l)--(2l,d-2l) ; + elseif button_type = 107 : + p := (3l,d-2l)--(d-3l,d-2l)--(.5d,4l)--cycle ; + fill p ; draw p ; + draw (.5d,2l) ; + elseif button_type = 108 : + draw (.5d,2l)--(d-2l,d-2l)--(2l,d-2l)--cycle ; + elseif button_type = 109 : + draw (.5d,d-2l)--(d-2l,2l)--(2l,2l)--cycle ; + elseif button_type = 110 : + button_linewidth := button_linewidth/2 ; + draw p enlarged (-2l,-l) ; + for i=2l step l until d-2l : + draw (3l,i)--(d-3l,i) ; + endfor ; + fi ; + + endgroup ; + +enddef ; + +let some_button = predefinedbutton diff --git a/Master/texmf-dist/metapost/context/base/mp-char.mp b/Master/texmf-dist/metapost/context/base/mp-char.mpii index 786c1f904d2..5e7a31c5073 100644 --- a/Master/texmf-dist/metapost/context/base/mp-char.mp +++ b/Master/texmf-dist/metapost/context/base/mp-char.mpii @@ -13,9 +13,8 @@ %C therefore copyrighted by \PRAGMA. See licen-en.pdf for %C details. -if unknown context_tool : input mp-tool ; fi ; -if unknown context_shap : input mp-shap ; fi ; -if known context_char : endinput ; fi ; +if unknown context_shap : input "mp-shap.mpii" ; fi ; +if known context_flow : endinput ; fi ; boolean context_char ; context_char := true ; @@ -37,7 +36,6 @@ grid_width := 60pt ; grid_height := 40pt ; shape_width := 45pt ; shape_height := 30pt ; chart_offset := 2pt ; - color chart_background_color ; chart_background_color := white ; %D test mode @@ -112,6 +110,7 @@ def new_chart = color xydraw [][] ; numeric xyline [][] ; boolean xypeep [][] ; + picture xypicture[][] ; numeric cpath ; cpath := 0 ; path cpaths [] ; @@ -234,6 +233,15 @@ def flush_shapes = endfor ; enddef ; +def flush_pictures = + for x=1 upto max_x : + for y=1 upto max_y : + flush_picture (x, y) ; + endfor ; + endfor ; +enddef ; + + def draw_connection_point (expr x, y, z) = pickup pencircle scaled if (z=0): 2 fi xyline[x][y] ; drawdot xy_bottom(x,y,z,false) scaled_to_grid withcolor (1,0,0) ; @@ -276,7 +284,7 @@ vardef points_initialized (expr xfrom, yfrom, xto, yto, n) = fi enddef ; -def collapse_points = % this is now an mp-tool macro +def collapse_points = % remove redundant points n := 1 ; for i=2 upto xypoint: @@ -451,6 +459,16 @@ def draw_midpoint (expr n) = endgroup ; enddef ; +def flush_picture(expr x, y) = + if known xypicture[x][y]: + draw xypicture[x][y] shifted xy_offset((x+0.5)*grid_width,(max_y-y+1.5)*grid_height) ; + fi ; +enddef ; + +def chart_draw_picture(expr x, y, p) = + xypicture[x][y] := p ; +enddef ; + boolean reverse_connection ; reverse_connection := false ; vardef up_on_grid (expr n) = @@ -912,6 +930,7 @@ enddef ; def end_chart = flush_shapes ; flush_connections ; + flush_pictures ; cmin_x := cmin_x ; cmax_x := cmin_x+cmax_x ; cmin_y := cmin_y-1 ; @@ -972,28 +991,16 @@ def end_sub_chart = endgroup ; enddef ; -%D done - -endinput ; - -%D testing - -show_shapes(100) ; - -end - -%D more testing - -show_connections ; - -begin_chart (1,4,5) ; - %clip_chart(1,1,1,2) ; - new_shape (1,1,31) ; - new_shape (1,2,3) ; - new_shape (4,4,5) ; - connect_top_left (1,1,0) (4,4,0) ; - connect_bottom_top (1,2,0) (4,4,0) ; - connect_left_right (1,2,0) (1,1,0) ; -end_chart ; - -end +% show_shapes(100) ; +% +% show_connections ; +% +% begin_chart (1,4,5) ; +% %clip_chart(1,1,1,2) ; +% new_shape (1,1,31) ; +% new_shape (1,2,3) ; +% new_shape (4,4,5) ; +% connect_top_left (1,1,0) (4,4,0) ; +% connect_bottom_top (1,2,0) (4,4,0) ; +% connect_left_right (1,2,0) (1,1,0) ; +% end_chart ; diff --git a/Master/texmf-dist/metapost/context/base/mp-char.mpiv b/Master/texmf-dist/metapost/context/base/mp-char.mpiv new file mode 100644 index 00000000000..28fe4151246 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-char.mpiv @@ -0,0 +1,1116 @@ +%D \module +%D [ file=mp-char.mp, +%D version=2011.10.1, % 1998.10.10, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=charts, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +%D This is ancient code .. but I see no need to rewrite it. This is +%D already a partial rewrite but more could be delegated to \LUA\ +%D when used in \CONTEXT\ but it does not pay off now to look into +%D that. + +%D For historic reason we first build and then flush but we could +%D as well flush directly which would save us caching. + +if unknown context_shap : input "mp-shap.mpiv" ; fi ; +if known context_flow : endinput ; fi ; + +boolean context_flow ; context_flow := true ; + +%D settings + +numeric flow_grid_width ; flow_grid_width := 60pt ; +numeric flow_shape_width ; flow_shape_width := 45pt ; +numeric flow_grid_height ; flow_grid_height := 40pt ; +numeric flow_shape_height ; flow_shape_height := 30pt ; +numeric flow_chart_offset ; flow_chart_offset := 2pt ; +color flow_chart_background_color ; flow_chart_background_color := white ; +boolean flow_show_mid_points ; flow_show_mid_points := false ; +boolean flow_show_con_points ; flow_show_con_points := false ; +boolean flow_show_all_points ; flow_show_all_points := false ; +numeric flow_shape_line_width ; flow_shape_line_width := 2pt ; +color flow_shape_line_color ; flow_shape_line_color := .5white ; +color flow_shape_fill_color ; flow_shape_fill_color := .9white ; +color flow_connection_line_color ; flow_connection_line_color := .2white ; + +numeric flow_connection_line_width ; flow_connection_line_width := flow_shape_line_width ; + +numeric flow_connection_smooth_size ; flow_connection_smooth_size := 5pt ; +numeric flow_connection_arrow_size ; flow_connection_arrow_size := 4pt ; +numeric flow_connection_dash_size ; flow_connection_dash_size := 3pt ; + +numeric flow_max_x ; flow_max_x := 6 ; +numeric flow_max_y ; flow_max_y := 4 ; + +boolean flow_smooth ; flow_smooth := true ; +boolean flow_peepshape ; flow_peepshape := false ; +boolean flow_arrowtip ; flow_arrowtip := true ; +boolean flow_dashline ; flow_dashline := false ; +boolean flow_forcevalid ; flow_forcevalid := false ; +boolean flow_touchshape ; flow_touchshape := false ; +boolean flow_showcrossing ; flow_showcrossing := false ; +boolean flow_reverse_y ; flow_reverse_y := true ; + +picture flow_dash_pattern ; flow_dash_pattern := nullpicture ; + +numeric flow_shape_node ; flow_shape_node := 0 ; +numeric flow_shape_action ; flow_shape_action := 24 ; +numeric flow_shape_procedure ; flow_shape_procedure := 5 ; +numeric flow_shape_product ; flow_shape_product := 12 ; +numeric flow_shape_decision ; flow_shape_decision := 14 ; +numeric flow_shape_archive ; flow_shape_archive := 19 ; +numeric flow_shape_loop ; flow_shape_loop := 35 ; +numeric flow_shape_wait ; flow_shape_wait := 6 ; +numeric flow_shape_subprocedure ; flow_shape_subprocedure := 20 ; +numeric flow_shape_singledocument ; flow_shape_singledocument := 32 ; +numeric flow_shape_multidocument ; flow_shape_multidocument := 33 ; +numeric flow_shape_right ; flow_shape_right := 66 ; +numeric flow_shape_left ; flow_shape_left := 67 ; +numeric flow_shape_up ; flow_shape_up := 68 ; +numeric flow_shape_down ; flow_shape_down := 69 ; + +numeric flow_label_offset ; flow_label_offset := 0 ; +numeric flow_exit_offset ; flow_exit_offset := 0 ; +numeric flow_comment_offset ; flow_comment_offset := 0 ; + +% vardef some_shape_path (expr type) == imported from mp-shap + +def flow_show_shapes(expr n) = + flow_begin_chart(n,8,10) ; + flow_show_con_points := true ; + for i=0 upto 7 : + for j=0 upto 9 : + flow_new_shape(i+1,j+1,i*10+j); + endfor ; + endfor ; + flow_end_chart ; +enddef ; + +%D connections + +def flow_new_chart = + + flow_grid_width := 60pt ; + flow_shape_width := 45pt ; + flow_grid_height := 40pt ; + flow_shape_height := 30pt ; + flow_chart_offset := 2pt ; + flow_chart_background_color := white ; + flow_show_mid_points := false ; + flow_show_con_points := false ; + flow_show_all_points := false ; + flow_shape_line_width := 2pt ; + flow_shape_line_color := .5white ; + flow_shape_fill_color := .9white ; + flow_connection_line_color := .2white ; + flow_connection_line_width := flow_shape_line_width ; + flow_connection_smooth_size := 5pt ; + flow_connection_arrow_size := 4pt ; + flow_connection_dash_size := 3pt ; + flow_label_offset := 0 ; + flow_exit_offset := 0 ; + flow_comment_offset := 0 ; + + flow_max_x := 6 ; + flow_max_y := 4 ; + + flow_smooth := true ; + flow_peepshape := false ; + flow_arrowtip := true ; + flow_dashline := false ; + flow_forcevalid := false ; + flow_touchshape := false ; + flow_showcrossing := false ; + flow_reverse_y := true ; + + flow_dash_pattern := nullpicture ; + + numeric flow_xypoint ; flow_xypoint := 0 ; + numeric flow_cpath ; flow_cpath := 0 ; + + pair flow_xypoints [] ; + boolean flow_xyfree [][] ; + path flow_xypath [][] ; + numeric flow_xysx [][] ; + numeric flow_xysy [][] ; + color flow_xyfill [][] ; + color flow_xydraw [][] ; + numeric flow_xyline [][] ; + boolean flow_xypeep [][] ; + picture flow_xytext [][] ; + picture flow_xylabel [][] ; + picture flow_xyexit [][] ; + picture flow_xycomment [][] ; + path flow_cpaths [] ; + numeric flow_cline [] ; + color flow_ccolor [] ; + boolean flow_carrow [] ; + boolean flow_cdash [] ; + boolean flow_ccross [] ; + picture flow_tpicture [][] ; + picture flow_bpicture [][] ; + picture flow_lpicture [][] ; + picture flow_rpicture [][] ; + path flow_connections[][][] ; + + predefined_shapes[61] := (fullcircle scaled (1.5*predefined_shapes_yradius) xscaled (flow_grid_height/flow_grid_width)) ; + predefined_shapes[62] := (fullcircle scaled (2.0*predefined_shapes_yradius) xscaled (flow_grid_height/flow_grid_width)) ; + +enddef ; + +flow_new_chart ; + +def flow_y_pos(expr y) = +% if flow_reverse_y : + flow_max_y + 1 - y +% else : +% y +% fi +enddef ; + +def flow_initialize_grid(expr maxx, maxy) = + flow_max_x := maxx ; + flow_max_y := maxy ; + flow_dsp_x := 0 ; + flow_dsp_y := 0 ; + for x=1 upto flow_max_x : + for y=1 upto flow_max_y : + flow_xyfree[x][y] := true ; + flow_xyfill[x][y] := flow_shape_fill_color ; + flow_xydraw[x][y] := flow_shape_line_color ; + flow_xyline[x][y] := flow_shape_line_width ; + endfor ; + endfor ; +enddef ; + +def flow_scaled_to_grid = + xscaled flow_grid_width yscaled flow_grid_height +enddef ; + +def flow_xy_offset(expr x, y) = + (x+.5,y+.5) +enddef ; + +def flow_draw_shape(expr x, yy, p, sx, sy) = + begingroup ; + save y ; numeric y ; + y := flow_y_pos(yy) ; + flow_xypath [x][y] := (p xscaled sx yscaled sy) shifted flow_xy_offset(x,y) ; + flow_xyfree [x][y] := false ; + flow_xysx [x][y] := sx ; + flow_xysy [x][y] := sy ; + flow_xyfill [x][y] := flow_shape_fill_color ; + flow_xydraw [x][y] := flow_shape_line_color ; + flow_xyline [x][y] := flow_shape_line_width ; + flow_xypeep [x][y] := flow_peepshape ; + endgroup ; +enddef ; + +vardef flow_i_point (expr x, y, p, t) = + begingroup ; + save q, ok ; pair q ; boolean ok ; + q := flow_xypath[x][y] intersection_point ((p) shifted flow_xy_offset(x,y)) ; + ok := true ; + if not ok : + message (t & " of shape (" & decimal x & "," & decimal y & ") limited") ; + fi ; + q + endgroup +enddef ; + +vardef flow_trimmed (expr x, y, z, t) = + if flow_touchshape and t : + flow_xyline[x][y]/z + else : + epsilon + fi +enddef ; + +numeric flow_zfactor ; flow_zfactor := 1/3 ; + +vardef flow_xy_bottom (expr x, y, z, t) = + flow_i_point(x, y, ((0,0)--(0,-2)) shifted (flow_zfactor*z*flow_xysx[x][y],0), "bottom") + shifted(0,-flow_trimmed(x,y,flow_grid_height,t)) +enddef ; + +vardef flow_xy_top (expr x, y, z, t) = + flow_i_point (x, y, ((0,0)--(0,2)) shifted (flow_zfactor*z*flow_xysx[x][y],0), "top") + shifted(0,flow_trimmed(x,y,flow_grid_height,t)) +enddef ; + +vardef flow_xy_left (expr x, y, z, t) = + flow_i_point (x, y, ((0,0)--(-2,0)) shifted (0,flow_zfactor*z*flow_xysy[x][y]), "left") + shifted(-flow_trimmed(x,y,flow_grid_width,t),0) +enddef ; + +vardef flow_xy_right (expr x, y, z, t) = + flow_i_point (x, y, ((0,0)--(2,0)) shifted (0,flow_zfactor*z*flow_xysy[x][y]), "right") + shifted(flow_trimmed(x,y,flow_grid_width,t),0) +enddef ; + +def flow_flush_shapes = + for x=1 upto flow_max_x : + for y=1 upto flow_max_y : + flow_flush_shape(x, y) ; + endfor ; + endfor ; +enddef ; + +def flow_flush_pictures = + for x=1 upto flow_max_x : + for y=1 upto flow_max_y : + flow_flush_picture(x, y) ; + endfor ; + endfor ; +enddef ; + +def flow_draw_connection_point(expr x, y, z) = + pickup pencircle scaled if (z=0): 2 fi flow_xyline[x][y] ; + drawdot flow_xy_bottom(x,y,z,false) flow_scaled_to_grid withcolor (1,0,0) ; + drawdot flow_xy_top (x,y,z,false) flow_scaled_to_grid withcolor (0,1,0) ; + drawdot flow_xy_left (x,y,z,false) flow_scaled_to_grid withcolor (0,0,1) ; + drawdot flow_xy_right (x,y,z,false) flow_scaled_to_grid withcolor (1,1,0) ; +enddef ; + +def flow_flush_shape(expr x, yy) = + begingroup ; + save y ; numeric y ; + y := flow_y_pos(yy) ; + if not flow_xyfree[x][y] : + pickup pencircle scaled flow_xyline[x][y] ; + if flow_xypeep[x][y] : + fill (flow_xypath[x][y] peepholed (unitsquare shifted (x,y))) + flow_scaled_to_grid withpen pencircle scaled 0 + withcolor flow_chart_background_color ; + else : + fill flow_xypath[x][y] flow_scaled_to_grid withcolor flow_xyfill[x][y] ; + fi ; + draw flow_xypath[x][y] flow_scaled_to_grid withcolor flow_xydraw[x][y] ; + if flow_show_con_points or flow_show_all_points : + flow_draw_connection_point(x, y, 0) ; + fi ; + if flow_show_all_points : + for i=-1 upto 1 : + flow_draw_connection_point(x, y, i) ; + endfor ; + fi ; + fi ; + endgroup ; +enddef ; + +vardef flow_points_initialized(expr xfrom, yfrom, xto, yto, n) = + if unknown flow_xyfree[xfrom][yfrom] or unknown flow_xyfree[xto][yto] : + flow_xypoint := 0 ; false + elseif not flow_xyfree[xfrom][yfrom] and not flow_xyfree[xto][yto] : + flow_xypoint := n ; true + else : + flow_xypoint := 0 ; false + fi +enddef ; + +def flow_collapse_points = % this can become a core macro + begingroup ; + % remove redundant points + save n ; numeric n ; + n := 1 ; + for i=2 upto flow_xypoint : + if not (flow_xypoints[i] = flow_xypoints[n]) : + n := n + 1 ; + flow_xypoints[n] := flow_xypoints[i] + fi ; + endfor ; + flow_xypoint := n ; + % make straight lines + if flow_xypoints[2] = flow_xypoints[flow_xypoint-1] : + flow_xypoints[3] := flow_xypoints[flow_xypoint] ; + flow_xypoint := 3 ; + fi ; + endgroup ; +enddef ; + +vardef flow_smooth_connection(expr a,b) = + if ypart a = ypart b : + a shifted ( if xpart a >= xpart b : - fi (flow_connection_smooth_size/flow_grid_width ),0) + else : + a shifted (0,if ypart a >= ypart b : - fi (flow_connection_smooth_size/flow_grid_height) ) + fi +enddef ; + +vardef flow_trim_points = + begingroup + save p, a, b, d, i ; numeric a, b ; path p ; pair d ; + p := for i=1 upto flow_xypoint-1 : flow_xypoints[i]-- endfor flow_xypoints[flow_xypoint] ; + if flow_touchshape : + a := flow_shape_line_width/flow_grid_width ; + b := flow_shape_line_width/flow_grid_height ; + else : + a := epsilon ; + b := epsilon ; + fi ; + d := direction infinity of p ; + flow_xypoints[flow_xypoint] := flow_xypoints[flow_xypoint] shifted + if xpart d < 0 : (+a,0) ; + elseif xpart d > 0 : (-a,0) ; + elseif ypart d < 0 : (0,+b) ; + elseif ypart d > 0 : (0,-b) ; + else : origin ; + fi ; + d := direction 0 of p ; + flow_xypoints[1] := flow_xypoints[1] shifted + if xpart d < 0 : (-a,0) ; + elseif xpart d > 0 : (+a,0) ; + elseif ypart d < 0 : (0,-b) ; + elseif ypart d > 0 : (0,+b) ; + else : origin ; + fi ; + endgroup +enddef ; + +vardef flow_trim_points = enddef ; + +vardef flow_connection_path = + if flow_reverse_connection : reverse fi (flow_xypoints[1] -- + for i=2 upto flow_xypoint-1 : + if flow_smooth : + flow_smooth_connection(flow_xypoints[i],flow_xypoints[i-1]) .. + controls flow_xypoints[i] and flow_xypoints[i] .. + flow_smooth_connection(flow_xypoints[i],flow_xypoints[i+1]) -- + else : + flow_xypoints[i] -- + fi + endfor + flow_xypoints[flow_xypoint]) +enddef ; + +def flow_draw_connection(expr i,xfrom,yfrom,xto,yto) = % 'i' is a comment reference + if flow_xypoint > 0 : + flow_collapse_points ; + flow_trim_points ; + flow_cpath := flow_cpath + 1 ; % maybe also store as x,y + flow_cpaths[flow_cpath] := flow_connection_path flow_scaled_to_grid ; + flow_cline[flow_cpath] := flow_connection_line_width ; + flow_ccolor[flow_cpath] := flow_connection_line_color ; + flow_carrow[flow_cpath] := flow_arrowtip ; + flow_cdash[flow_cpath] := flow_dashline ; + flow_ccross[flow_cpath] := flow_showcrossing ; + if flow_reverse_connection : + flow_connections[xto] [yto] [i] := flow_cpaths[flow_cpath] ; + else : + flow_connections[xfrom][yfrom][i] := flow_cpaths[flow_cpath] ; + fi ; + else : + message("no connection defined") ; + fi ; + flow_reverse_connection := false ; +enddef ; + +def flow_flush_connections = % protect locals + begingroup ; + save ip, crossing, cp ; numeric ip ; boolean crossing ; path cp ; + ahlength := flow_connection_arrow_size ; + flow_dash_pattern := dashpattern(on flow_connection_dash_size off flow_connection_dash_size) ; + for i=1 upto flow_cpath : + if flow_ccross[i] : + crossing := false ; + for j=1 upto i : + if not (point infinity of flow_cpaths[i] = point infinity of flow_cpaths[j]) : + ip := flow_cpaths[i] intersection_point flow_cpaths[j] ; + if intersection_found : crossing := true fi ; + fi ; + endfor ; + if crossing : + pickup pencircle scaled 2flow_cline[i] ; + cp := flow_cpaths[i] ; + cp := cp cutbefore point .05 length cp of cp ; + cp := cp cutafter point .95 length cp of cp ; + draw cp withcolor flow_chart_background_color ; + fi ; + fi ; + pickup pencircle scaled flow_cline[i] ; + if flow_carrow[i] : + if flow_cdash[i] : + drawarrow flow_cpaths[i] withcolor flow_ccolor[i] dashed flow_dash_pattern ; + else : + drawarrow flow_cpaths[i] withcolor flow_ccolor[i] ; + fi ; + else : + if flow_cdash[i] : + draw flow_cpaths[i] withcolor flow_ccolor[i] dashed flow_dash_pattern ; + else : + draw flow_cpaths[i] withcolor flow_ccolor[i] ; + fi ; + fi ; + flow_draw_midpoint(i) ; + endfor ; + endgroup ; +enddef ; + +def flow_draw_midpoint (expr n) = + begingroup + save p ; pair p ; + p := point .5*length(flow_cpaths[n]) of flow_cpaths[n]; + pickup pencircle scaled 2flow_cline[n] ; + if flow_show_mid_points : + drawdot p withcolor .7white ; + fi ; + endgroup ; +enddef ; + +def flow_flush_picture(expr x, yy) = + begingroup ; + save y ; numeric y ; + y := flow_y_pos(yy) ; % maybe move this to the makers + if known flow_xytext[x][y] : + draw flow_xytext[x][y] ; + fi ; + if known flow_xylabel[x][y] : + draw flow_xylabel[x][y] ; + fi ; + if known flow_xyexit[x][y] : + draw flow_xyexit[x][y] ; + fi ; + if known flow_xycomment[x][y] : + draw flow_xycomment[x][y] ; + fi ; + endgroup ; +enddef ; + +vardef flow_offset(expr x, y) = + flow_xy_offset((x+0.5)*flow_grid_width,(flow_max_y-y+1.5)*flow_grid_height) + shifted (-flow_xyline[x][y]/4,-flow_xyline[x][y]/4) % terrible hack (some compensation) +enddef ; + +def flow_chart_draw_text(expr x, y, p) = + if known flow_xytext[x][y] : + addto flow_xytext[x][y] also + else : + flow_xytext[x][y] := + fi + p shifted flow_offset(x,y) ; +enddef ; + +def flow_chart_draw_label (expr x, y, loc, txt) = + begingroup ; + save p, s ; path p ; picture s ; + p := fullsquare xscaled flow_grid_width yscaled flow_grid_height ; + p := p shifted flow_offset(x,y) ; + s := txt ; + setbounds s to boundingbox s enlarged flow_label_offset ; + if known flow_xylabel[x][y] : + addto flow_xylabel[x][y] also + else : + flow_xylabel[x][y] := + fi + if loc = "tr" : anchored.llft(s,0.5[ulcorner p,urcorner p]) ; + elseif loc = "t" : anchored.bot (s,0.5[ulcorner p,urcorner p]) ; + elseif loc = "tl" : anchored.lrt (s,0.5[ulcorner p,urcorner p]) ; + elseif loc = "br" : anchored.ulft(s,0.5[llcorner p,lrcorner p]) ; + elseif loc = "b" : anchored.top (s,0.5[llcorner p,lrcorner p]) ; + elseif loc = "bl" : anchored.urt (s,0.5[llcorner p,lrcorner p]) ; + elseif loc = "lb" : anchored.urt (s,0.5[ulcorner p,llcorner p]) ; + elseif loc = "l" : anchored.rt (s,0.5[ulcorner p,llcorner p]) ; + elseif loc = "lt" : anchored.lrt (s,0.5[ulcorner p,llcorner p]) ; + elseif loc = "rb" : anchored.ulft(s,0.5[urcorner p,lrcorner p]) ; + elseif loc = "r" : anchored.lft (s,0.5[urcorner p,lrcorner p]) ; + elseif loc = "rt" : anchored.llft(s,0.5[urcorner p,lrcorner p]) ; + else : anchored (s,center p) ; + fi ; + endgroup ; +enddef ; + +def flow_chart_draw_exit (expr x, y, loc, txt) = + begingroup ; + save p, s ; path p ; picture s ; + p := fullsquare xscaled flow_grid_width yscaled flow_grid_height ; + p := p shifted flow_offset(x,y) ; + s := txt ; + setbounds s to boundingbox s enlarged flow_exit_offset ; + if known flow_xyexit[x][y] : + addto flow_xyexit[x][y] also + else : + flow_xyexit[x][y] := + fi + if loc = "t" : anchored.top(s,0.5[ulcorner p,urcorner p]) ; + elseif loc = "b" : anchored.bot(s,0.5[llcorner p,lrcorner p]) ; + elseif loc = "l" : anchored.lft(s,0.5[ulcorner p,llcorner p]) ; + elseif loc = "r" : anchored.rt (s,0.5[urcorner p,lrcorner p]) ; + else : anchored (s,center p) ; + fi ; + endgroup ; +enddef ; + +def flow_chart_draw_comment (expr x, y, i, loc, len, txt) = % per connection + begingroup ; + if known flow_connections[x][y][i] : + save p, q, s ; path p, q ; picture s ; + p := fullsquare xscaled flow_shape_width yscaled flow_shape_height ; + p := p shifted flow_offset(x,y) ; + q := flow_connections[x][y][i] ; % already relocated + s := txt ; + setbounds s to boundingbox s enlarged flow_comment_offset ; + if known flow_xycomment[x][y] : + addto flow_xycomment[x][y] also + else : + flow_xycomment[x][y] := + fi + if loc = "tr" : anchored.llft(s,if len = 0 : 0.5[ulcorner p,urcorner p] else : point len along q fi) ; + elseif loc = "t" : anchored.bot (s,if len = 0 : 0.5[ulcorner p,urcorner p] else : point len along q fi) ; + elseif loc = "tl" : anchored.lrt (s,if len = 0 : 0.5[ulcorner p,urcorner p] else : point len along q fi) ; + elseif loc = "br" : anchored.ulft(s,if len = 0 : 0.5[llcorner p,lrcorner p] else : point len along q fi) ; + elseif loc = "b" : anchored.top (s,if len = 0 : 0.5[llcorner p,lrcorner p] else : point len along q fi) ; + elseif loc = "bl" : anchored.urt (s,if len = 0 : 0.5[llcorner p,lrcorner p] else : point len along q fi) ; + elseif loc = "lb" : anchored.urt (s,if len = 0 : 0.5[ulcorner p,llcorner p] else : point len along q fi) ; + elseif loc = "l" : anchored.rt (s,if len = 0 : 0.5[ulcorner p,llcorner p] else : point len along q fi) ; + elseif loc = "lt" : anchored.lrt (s,if len = 0 : 0.5[ulcorner p,llcorner p] else : point len along q fi) ; + elseif loc = "rb" : anchored.ulft(s,if len = 0 : 0.5[urcorner p,lrcorner p] else : point len along q fi) ; + elseif loc = "r" : anchored.lft (s,if len = 0 : 0.5[urcorner p,lrcorner p] else : point len along q fi) ; + elseif loc = "rt" : anchored.llft(s,if len = 0 : 0.5[urcorner p,lrcorner p] else : point len along q fi) ; + elseif loc = "tr:*" : anchored.llft(s,point 0 of q) ; + elseif loc = "t:*" : anchored.bot (s,point 0 of q) ; + elseif loc = "tl:*" : anchored.lrt (s,point 0 of q) ; + elseif loc = "br:*" : anchored.ulft(s,point 0 of q) ; + elseif loc = "b:*" : anchored.top (s,point 0 of q) ; + elseif loc = "bl:*" : anchored.urt (s,point 0 of q) ; + elseif loc = "lb:*" : anchored.urt (s,point 0 of q) ; + elseif loc = "l:*" : anchored.rt (s,point 0 of q) ; + elseif loc = "lt:*" : anchored.lrt (s,point 0 of q) ; + elseif loc = "rb:*" : anchored.ulft(s,point 0 of q) ; + elseif loc = "r:*" : anchored.lft (s,point 0 of q) ; + elseif loc = "rt:*" : anchored.llft(s,point 0 of q) ; + else : anchored (s,point 0 of q) ; + fi ; + fi ; + endgroup ; +enddef ; + +boolean flow_reverse_connection ; flow_reverse_connection := false ; + +vardef flow_up_on_grid (expr n) = + (xpart flow_xypoints[n],(ypart flow_xypoints[n]+1) div 1) +enddef ; + +vardef flow_down_on_grid (expr n) = + (xpart flow_xypoints[n],(ypart flow_xypoints[n]) div 1) +enddef ; + +vardef flow_left_on_grid (expr n) = + ((xpart flow_xypoints[n]) div 1, ypart flow_xypoints[n]) +enddef ; + +vardef flow_right_on_grid (expr n) = + ((xpart flow_xypoints[n]+1) div 1, ypart flow_xypoints[n]) +enddef ; + +vardef flow_x_on_grid (expr n, xfrom, xto, zfrom) = + if (xfrom = xto) and not (zfrom = 0) : + if (zfrom=1) : flow_right_on_grid(2) else : flow_left_on_grid(2) fi + elseif xpart flow_xypoints[1] < xpart flow_xypoints[6] : + flow_right_on_grid(n) + else : + flow_left_on_grid(n) + fi +enddef ; + +vardef flow_y_on_grid (expr n, yfrom, yto, zfrom) = + if (yfrom = yto) and not (zfrom = 0) : + if (zfrom = 1) : flow_up_on_grid(2) else : flow_down_on_grid(2) fi + elseif ypart flow_xypoints[1] < ypart flow_xypoints[6] : + flow_up_on_grid(n) + else : + flow_down_on_grid(n) + fi +enddef ; + +vardef flow_xy_on_grid (expr n, m) = + (xpart flow_xypoints[n], ypart flow_xypoints[m]) +enddef ; + +vardef flow_down_to_grid (expr a,b) = + (xpart flow_xypoints[a], ypart flow_xypoints[if ypart flow_xypoints[a]<ypart flow_xypoints[b] : a else : b fi]) +enddef ; + +vardef flow_up_to_grid (expr a,b) = + (xpart flow_xypoints[a], ypart flow_xypoints[if ypart flow_xypoints[a]>ypart flow_xypoints[b] : a else : b fi]) +enddef ; + +vardef flow_left_to_grid (expr a,b) = + (xpart flow_xypoints[if xpart flow_xypoints[a]<xpart flow_xypoints[b] : a else : b fi], ypart flow_xypoints[a]) +enddef ; + +vardef flow_right_to_grid (expr a,b) = + (xpart flow_xypoints[if xpart flow_xypoints[a]>xpart flow_xypoints[b] : a else : b fi], ypart flow_xypoints[a]) +enddef ; + +vardef flow_valid_connection (expr xfrom, yfrom, xto, yto) = + begingroup ; + save ok, vc, pp ; boolean ok ; pair vc ; path pp ; + save flow_xyfirst, flow_xylast ; pair flow_xyfirst, flow_xylast ; + % check for slanted lines + ok := true ; + for i=1 upto flow_xypoint-1 : + if not ((xpart flow_xypoints[i]=xpart flow_xypoints[i+1]) or (ypart flow_xypoints[i]=ypart flow_xypoints[i+1])) : + ok := false ; + fi ; + endfor ; + if not ok : + % message("slanted"); + false + elseif flow_forcevalid : + % message("force"); + true + elseif (xfrom=xto) and (yfrom=yto) : + % message("self"); + false + else : + % check for crossing shapes + flow_xyfirst := flow_xypoints[1] ; + flow_xylast := flow_xypoints[flow_xypoint] ; + flow_trim_points ; + pp := for i=1 upto flow_xypoint-1 : flow_xypoints[i]-- endfor flow_xypoints[flow_xypoint] ; + flow_xypoints[1] := flow_xyfirst ; + flow_xypoints[flow_xypoint] := flow_xylast ; + for i=1 upto flow_max_x : + for j=1 upto flow_max_y : % was bug: xfrom,yto + if not ( ( (i,j)=(xfrom,yfrom) ) or ( (i,j)=(xto,yto) ) ) : + if not flow_xyfree[i][j] : + vc := pp intersection_point flow_xypath[i][j] ; + if intersection_found : + ok := false + fi ; + fi ; + fi ; + endfor ; + endfor ; + % if not ok: message("crossing") ; fi ; + ok + fi + endgroup +enddef ; + +def flow_connect_top_bottom (expr n) (expr xfrom, yyfrom, zfrom) (expr xto, yyto, zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,6) : + flow_xypoints[1] := flow_xy_top(xfrom,yfrom,zfrom,true) ; + flow_xypoints[6] := flow_xy_bottom(xto,yto,zto,true) ; + flow_xypoints[2] := flow_up_on_grid(1) ; + flow_xypoints[5] := flow_down_on_grid(6) ; + flow_xypoints[3] := flow_up_to_grid(2,5) ; + flow_xypoints[4] := flow_up_to_grid(2,5) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_x_on_grid(2,xfrom,xto,zfrom) ; + flow_xypoints[4] := flow_xy_on_grid(3,5) ; + fi ; + %%%% begin experiment + flow_xypoints[3] := flow_xypoints[3] shifted (flow_dsp_x,0) ; + flow_xypoints[4] := flow_xypoints[4] shifted (flow_dsp_x,0) ; + if flow_dsp_y>0 : + flow_xypoints[2] := flow_xypoints[2] shifted (0,flow_dsp_y) ; + flow_xypoints[3] := flow_xypoints[3] shifted (0,flow_dsp_y) ; + elseif flow_dsp_y<0 : + flow_xypoints[4] := flow_xypoints[4] shifted (0,flow_dsp_y) ; + flow_xypoints[5] := flow_xypoints[5] shifted (0,flow_dsp_y) ; + fi + %%%% end experiment + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_left_right (expr n) (expr xfrom,yyfrom,zfrom) (expr xto,yyto,zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,6) : + flow_xypoints[1] := flow_xy_left(xfrom,yfrom,zfrom,true) ; + flow_xypoints[6] := flow_xy_right(xto,yto,zto,true) ; + flow_xypoints[2] := flow_left_on_grid(1) ; + flow_xypoints[5] := flow_right_on_grid(6) ; + flow_xypoints[3] := flow_left_to_grid(2,5) ; + flow_xypoints[4] := flow_left_to_grid(2,5) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_y_on_grid(2,yfrom,yto,zfrom) ; + flow_xypoints[4] := flow_xy_on_grid(5,3) ; + fi ; + %%%% begin experiment + if flow_dsp_y <> 0 : + flow_xypoints[3] := flow_xypoints[3] shifted (0,-flow_dsp_y) ; + flow_xypoints[4] := flow_xypoints[4] shifted (0,-flow_dsp_y) ; + fi ; + %%%% end experiment + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_left_top (expr n) (expr xfrom,yyfrom,zfrom) (expr xto,yyto,zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,5) : + flow_xypoints[1] := flow_xy_left(xfrom,yfrom,zfrom,true) ; + flow_xypoints[5] := flow_xy_top(xto,yto,zto,true) ; + flow_xypoints[2] := flow_left_on_grid(1) ; + flow_xypoints[4] := flow_up_on_grid(5) ; + flow_xypoints[3] := flow_left_to_grid(2,5) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_xy_on_grid(2,4) ; + fi ; + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_left_bottom (expr n) (expr xfrom,yyfrom,zfrom) (expr xto,yyto,zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,5) : + flow_xypoints[1] := flow_xy_left(xfrom,yfrom,zfrom,true) ; + flow_xypoints[5] := flow_xy_bottom(xto,yto,zto,true) ; + flow_xypoints[2] := flow_left_on_grid(1) ; + flow_xypoints[4] := flow_down_on_grid(5) ; + flow_xypoints[3] := flow_left_to_grid(2,5) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_xy_on_grid(2,4) ; + fi ; + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_right_top (expr n) (expr xfrom,yyfrom,zfrom) (expr xto,yyto,zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,5) : + flow_xypoints[1] := flow_xy_right(xfrom,yfrom,zfrom,true) ; + flow_xypoints[5] := flow_xy_top(xto,yto,zto,true) ; + flow_xypoints[2] := flow_right_on_grid(1) ; + flow_xypoints[4] := flow_up_on_grid(5) ; + flow_xypoints[3] := flow_right_to_grid(2,5) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_xy_on_grid(2,4) ; + fi ; + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_right_bottom (expr n) (expr xfrom,yyfrom,zfrom) (expr xto,yyto,zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,5) : + flow_xypoints[1] := flow_xy_right(xfrom,yfrom,zfrom,true) ; + flow_xypoints[5] := flow_xy_bottom(xto,yto,zto,true) ; + flow_xypoints[2] := flow_right_on_grid(1) ; + flow_xypoints[4] := flow_down_on_grid(5) ; + flow_xypoints[3] := flow_right_to_grid(2,5) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_xy_on_grid(2,4) ; + fi ; + %%%% begin experiment + flow_xypoints[2] := flow_xypoints[2] shifted (flow_dsp_x,0) ; + flow_xypoints[3] := flow_xypoints[3] shifted (flow_dsp_x,0) ; + if flow_dsp_y>0 : + flow_xypoints[3] := flow_xypoints[3] shifted (0,-flow_dsp_y) ; + flow_xypoints[4] := flow_xypoints[4] shifted (0,-flow_dsp_y) ; + elseif flow_dsp_y<0 : + flow_xypoints[3] := flow_xypoints[3] shifted (0,flow_dsp_y) ; + flow_xypoints[4] := flow_xypoints[4] shifted (0,flow_dsp_y) ; + fi + %%%% end experiment + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_left_left (expr n) (expr xfrom,yyfrom,zfrom) (expr xto,yyto,zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,6) : + flow_xypoints[1] := flow_xy_left(xfrom,yfrom,zfrom,true) ; + flow_xypoints[6] := flow_xy_left(xto,yto,zto,true) ; + flow_xypoints[2] := flow_left_on_grid(1) ; + flow_xypoints[5] := flow_left_on_grid(6) ; + flow_xypoints[3] := flow_left_to_grid(2,5) ; + flow_xypoints[4] := flow_left_to_grid(5,2) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_y_on_grid(2,yfrom,yto,zfrom) ; + flow_xypoints[4] := flow_xy_on_grid(5,3) ; + fi ; + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_right_right (expr n) (expr xfrom,yyfrom,zfrom) (expr xto,yyto,zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,6) : + flow_xypoints[1] := flow_xy_right(xfrom,yfrom,zfrom,true) ; + flow_xypoints[6] := flow_xy_right(xto,yto,zto,true) ; + flow_xypoints[2] := flow_right_on_grid(1) ; + flow_xypoints[5] := flow_right_on_grid(6) ; + flow_xypoints[3] := flow_right_to_grid(2,5) ; + flow_xypoints[4] := flow_right_to_grid(5,2) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_y_on_grid(2,yfrom,yto,zfrom) ; + flow_xypoints[4] := flow_xy_on_grid(5,3) ; + fi ; + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_top_top (expr n) (expr xfrom,yyfrom,zfrom) (expr xto,yyto,zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,6) : + flow_xypoints[1] := flow_xy_top(xfrom,yfrom,zfrom,true) ; + flow_xypoints[6] := flow_xy_top(xto,yto,zto,true) ; + flow_xypoints[2] := flow_up_on_grid(1) ; + flow_xypoints[5] := flow_up_on_grid(6) ; + flow_xypoints[3] := flow_up_to_grid(2,5) ; + flow_xypoints[4] := flow_up_to_grid(5,2) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_x_on_grid(2,xfrom,xto,zfrom) ; + flow_xypoints[4] := flow_xy_on_grid(3,5) ; + fi ; + %%%% begin experiment (todo: not value but just + and ) + if flow_dsp_y <> 0 : + flow_xypoints[2] := flow_xypoints[2] shifted (0,flow_dsp_y) ; + flow_xypoints[3] := flow_xypoints[3] shifted (0,flow_dsp_y) ; + flow_xypoints[4] := flow_xypoints[4] shifted (0,flow_dsp_y) ; + flow_xypoints[5] := flow_xypoints[5] shifted (0,flow_dsp_y) ; + fi ; + %%%% end experiment + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_bottom_bottom (expr n) (expr xfrom,yyfrom,zfrom) (expr xto,yyto,zto) = + yfrom := flow_y_pos(yyfrom) ; + yto := flow_y_pos(yyto) ; + if flow_points_initialized(xfrom,yfrom,xto,yto,6) : + flow_xypoints[1] := flow_xy_bottom(xfrom,yfrom,zfrom,true) ; + flow_xypoints[6] := flow_xy_bottom(xto,yto,zto,true) ; + flow_xypoints[2] := flow_down_on_grid(1) ; + flow_xypoints[5] := flow_down_on_grid(6) ; + flow_xypoints[3] := flow_down_to_grid(2,5) ; + flow_xypoints[4] := flow_down_to_grid(5,2) ; + if not flow_valid_connection(xfrom,yfrom,xto,yto) : + flow_xypoints[3] := flow_x_on_grid(2,xfrom,xto,zfrom) ; + flow_xypoints[4] := flow_xy_on_grid(3,5) ; + fi ; + %%%% begin experiment + flow_xypoints[3] := flow_xypoints[3] shifted (flow_dsp_x,0) ; + flow_xypoints[4] := flow_xypoints[4] shifted (flow_dsp_x,0) ; + if flow_dsp_y<0 : + flow_xypoints[2] := flow_xypoints[2] shifted (0,-flow_dsp_y) ; + flow_xypoints[3] := flow_xypoints[3] shifted (0,-flow_dsp_y) ; + elseif flow_dsp_y>0 : + flow_xypoints[4] := flow_xypoints[4] shifted (0,flow_dsp_y) ; + flow_xypoints[5] := flow_xypoints[5] shifted (0,flow_dsp_y) ; + fi + %%%% end experiment + flow_draw_connection(n,xfrom,yyfrom,xto,yyto) ; + fi ; +enddef ; + +def flow_connect_bottom_top (expr n) (expr xfrom,yfrom,zfrom) (expr xto,yto,zto) = + flow_reverse_connection := true ; + flow_connect_top_bottom (n) (xto,yto,zto) (xfrom,yfrom,zfrom) ; +enddef ; + +def flow_connect_right_left (expr n) (expr xfrom,yfrom,zfrom) (expr xto,yto,zto) = + flow_reverse_connection := true ; + flow_connect_left_right (n) (xto,yto,zto) (xfrom,yfrom,zfrom) ; +enddef ; + +def flow_connect_top_left (expr n) (expr xfrom,yfrom,zfrom) (expr xto,yto,zto) = + flow_reverse_connection := true ; + flow_connect_left_top (n) (xto,yto,zto) (xfrom,yfrom,zfrom) ; +enddef ; + +def flow_connect_bottom_left (expr n) (expr xfrom,yfrom,zfrom) (expr xto,yto,zto) = + flow_reverse_connection := true ; + flow_connect_left_bottom (n) (xto,yto,zto) (xfrom,yfrom,zfrom) ; +enddef ; + +def flow_connect_top_right (expr n) (expr xfrom,yfrom,zfrom) (expr xto,yto,zto) = + flow_reverse_connection := true ; + flow_connect_right_top (n) (xto,yto,zto) (xfrom,yfrom,zfrom) ; +enddef ; + +def flow_connect_bottom_right (expr n) (expr xfrom,yfrom,zfrom) (expr xto,yto,zto) = + flow_reverse_connection := true ; + flow_connect_right_bottom (n) (xto,yto,zto) (xfrom,yfrom,zfrom) ; +enddef ; + +def flow_draw_test_shape(expr x, y) = + flow_draw_shape(x,y,fullcircle, .7, .7) ; +enddef ; + +def flow_draw_test_shapes = + for i=1 upto flow_max_x : + for j=1 upto flow_max_y : + flow_draw_test_shape(i,j) ; + endfor ; + endfor ; +enddef; + +def flow_draw_test_area = + pickup pencircle scaled .5flow_shape_line_width ; + draw (unitsquare xscaled flow_max_x yscaled flow_max_y shifted (1,1)) flow_scaled_to_grid withcolor blue ; +enddef ; + +def flow_show_connection(expr n, m) = + + flow_begin_chart(100+n,6,6) ; + + flow_draw_test_area ; + + flow_smooth := true ; + flow_arrowtip := true ; + flow_dashline := true ; + + flow_draw_test_shape(2,2) ; flow_draw_test_shape(4,5) ; + flow_draw_test_shape(3,3) ; flow_draw_test_shape(5,1) ; + flow_draw_test_shape(2,5) ; flow_draw_test_shape(1,3) ; + flow_draw_test_shape(6,2) ; flow_draw_test_shape(4,6) ; + + if (m=1) : + flow_connect_top_bottom (0) (2,2,0) (4,5,0) ; + flow_connect_top_bottom (0) (3,3,0) (5,1,0) ; + flow_connect_top_bottom (0) (2,5,0) (1,3,0) ; + flow_connect_top_bottom (0) (6,2,0) (4,6,0) ; + elseif (m=2) : + flow_connect_top_top (0) (2,2,0) (4,5,0) ; + flow_connect_top_top (0) (3,3,0) (5,1,0) ; + flow_connect_top_top (0) (2,5,0) (1,3,0) ; + flow_connect_top_top (0) (6,2,0) (4,6,0) ; + elseif (m=3) : + flow_connect_bottom_bottom (0) (2,2,0) (4,5,0) ; + flow_connect_bottom_bottom (0) (3,3,0) (5,1,0) ; + flow_connect_bottom_bottom (0) (2,5,0) (1,3,0) ; + flow_connect_bottom_bottom (0) (6,2,0) (4,6,0) ; + elseif (m=4) : + flow_connect_left_right (0) (2,2,0) (4,5,0) ; + flow_connect_left_right (0) (3,3,0) (5,1,0) ; + flow_connect_left_right (0) (2,5,0) (1,3,0) ; + flow_connect_left_right (0) (6,2,0) (4,6,0) ; + elseif (m=5) : + flow_connect_left_left (0) (2,2,0) (4,5,0) ; + flow_connect_left_left (0) (3,3,0) (5,1,0) ; + flow_connect_left_left (0) (2,5,0) (1,3,0) ; + flow_connect_left_left (0) (6,2,0) (4,6,0) ; + elseif (m=6) : + flow_connect_right_right (0) (2,2,0) (4,5,0) ; + flow_connect_right_right (0) (3,3,0) (5,1,0) ; + flow_connect_right_right (0) (2,5,0) (1,3,0) ; + flow_connect_right_right (0) (6,2,0) (4,6,0) ; + elseif (m=7) : + flow_connect_left_top (0) (2,2,0) (4,5,0) ; + flow_connect_left_top (0) (3,3,0) (5,1,0) ; + flow_connect_left_top (0) (2,5,0) (1,3,0) ; + flow_connect_left_top (0) (6,2,0) (4,6,0) ; + elseif (m=8) : + flow_connect_left_bottom (0) (2,2,0) (4,5,0) ; + flow_connect_left_bottom (0) (3,3,0) (5,1,0) ; + flow_connect_left_bottom (0) (2,5,0) (1,3,0) ; + flow_connect_left_bottom (0) (6,2,0) (4,6,0) ; + elseif (m=9) : + flow_connect_right_top (0) (2,2,0) (4,5,0) ; + flow_connect_right_top (0) (3,3,0) (5,1,0) ; + flow_connect_right_top (0) (2,5,0) (1,3,0) ; + flow_connect_right_top (0) (6,2,0) (4,6,0) ; + else : + flow_connect_right_bottom (0) (2,2,0) (4,5,0) ; + flow_connect_right_bottom (0) (3,3,0) (5,1,0) ; + flow_connect_right_bottom (0) (2,5,0) (1,3,0) ; + flow_connect_right_bottom (0) (6,2,0) (4,6,0) ; + fi ; + + flow_end_chart ; + +enddef ; + +def flow_show_connections = + for f=1 upto 10 : + flow_show_connection(f,f) ; + endfor ; +enddef ; + +%D charts + +def flow_clip_chart(expr minx, miny, maxx, maxy) = + flow_cmin_x := minx ; + flow_cmax_x := maxx ; + flow_cmin_y := miny ; + flow_cmax_y := maxy ; +enddef ; + +def flow_begin_chart(expr n, maxx, maxy) = + flow_new_chart ; + flow_chart_figure := n ; + flow_chart_scale := 1 ; + if flow_chart_figure>0: + beginfig(flow_chart_figure) ; + fi ; + flow_initialize_grid (maxx, maxy) ; + bboxmargin := 0 ; + flow_cmin_x := 1 ; + flow_cmax_x := maxx ; + flow_cmin_y := 1 ; + flow_cmax_y := maxy ; +enddef ; + +def flow_end_chart = + begingroup ; + save p ; path p ; + flow_flush_shapes ; + flow_flush_connections ; + flow_flush_pictures ; + flow_cmin_x := flow_cmin_x ; + flow_cmax_x := flow_cmin_x+flow_cmax_x ; + flow_cmin_y := flow_cmin_y-1 ; + flow_cmax_y := flow_cmin_y+flow_cmax_y ; + if flow_reverse_y : + flow_cmin_y := flow_y_pos(flow_cmin_y) ; + flow_cmax_y := flow_y_pos(flow_cmax_y) ; + fi ; + p := (((flow_cmin_x,flow_cmin_y)--(flow_cmax_x,flow_cmin_y)-- + (flow_cmax_x,flow_cmax_y)--(flow_cmin_x,flow_cmax_y)--cycle)) + flow_scaled_to_grid ; + %draw p withcolor red ; + p := p enlarged flow_chart_offset ; + clip currentpicture to p ; + setbounds currentpicture to p ; + endgroup ; + currentpicture := currentpicture scaled flow_chart_scale ; + if flow_chart_figure>0: + endfig ; + fi ; +enddef ; + +def flow_new_shape(expr x, y, n) = + if known n : + if (x>0) and (x<=flow_max_x) and (y>0) and (y<=flow_max_y) : + flow_draw_shape(x,y,some_shape_path(n), flow_shape_width/flow_grid_width, flow_shape_height/flow_grid_height) ; + else : + message ("shape outside grid ignored") ; + fi ; + else : + message ("shape not known" ) ; + fi ; +enddef ; + +def flow_begin_sub_chart = + begingroup ; + save flow_shape_line_width, flow_connection_line_width ; + save flow_shape_line_color, flow_shape_fill_color, flow_connection_line_color ; + color flow_shape_line_color, flow_shape_fill_color, flow_connection_line_color ; + save flow_smooth, flow_arrowtip, flow_dashline, flow_peepshape ; + boolean flow_smooth, flow_arrowtip, flow_dashline, flow_peepshape ; +enddef ; + +def flow_end_sub_chart = + endgroup ; +enddef ; + diff --git a/Master/texmf-dist/metapost/context/base/mp-chem.mp b/Master/texmf-dist/metapost/context/base/mp-chem.mpiv index c70dafd85cd..04fec713bb4 100644 --- a/Master/texmf-dist/metapost/context/base/mp-chem.mp +++ b/Master/texmf-dist/metapost/context/base/mp-chem.mpiv @@ -15,7 +15,9 @@ % either consistent setting or not -if known chem_reset : endinput ; fi ; +if known context_chem : endinput ; fi ; + +boolean context_chem ; context_chem := true ; numeric chem_width, chem_radical_min, chem_radical_max, chem_text_max, chem_circle_radius, @@ -140,16 +142,15 @@ def chem_stop_structure = setbounds currentpicture to chem_setting_bbox ; enddef ; -def chem_start_component = -enddef ; -def chem_stop_component = -enddef ; +def chem_start_component = enddef ; +def chem_stop_component = enddef ; def chem_pb = % draw boundingbox currentpicture withpen pencircle scaled 1mm withcolor blue ; % draw origin withpen pencircle scaled 2mm withcolor blue ; chem_doing_pb := true ; enddef ; + def chem_pe = % draw boundingbox currentpicture withpen pencircle scaled .5mm withcolor red ; % draw origin withpen pencircle scaled 1mm withcolor red ; @@ -176,38 +177,49 @@ enddef ; vardef chem_b (expr n, f, t, r, c) = chem_draw (n, chem_b_path[n], f, t, r, c) ; enddef ; + vardef chem_sb (expr n, f, t, r, c) = chem_draw (n, chem_sb_path[n], f, t, r, c) ; enddef ; + vardef chem_s (expr n, f, t, r, c) = chem_draw (n, chem_s_path[n], f, t, r, c) ; enddef ; + vardef chem_ss (expr n, f, t, r, c) = chem_draw (n, chem_ss_path[n], f, t, r, c) ; enddef ; + vardef chem_mid (expr n, r, c) = chem_draw_fixed (n, chem_midt_path[n], r, c) ; chem_draw_fixed (n, chem_midb_path[n], r, c) ; enddef ; + vardef chem_mids (expr n, r, c) = chem_draw_fixed (n, chem_midst_path[n], r, c) ; chem_draw_fixed (n, chem_midsb_path[n], r, c) ; enddef ; + vardef chem_mss (expr n, f, t, r, c) = chem_draw (n, chem_mss_path[n], f, t, r, c) ; enddef ; + vardef chem_pss (expr n, f, t, r, c) = chem_draw (n, chem_pss_path[n], f, t, r, c) ; enddef ; + vardef chem_msb (expr n, f, t, r, c) = chem_draw (n, chem_msb_path[n], f, t, r, c) ; enddef ; + vardef chem_psb (expr n, f, t, r, c) = chem_draw (n, chem_psb_path[n], f, t, r, c) ; enddef ; + vardef chem_eb (expr n, f, t, r, c) = chem_draw (n, chem_eb_path[n], f, t, r, c) ; enddef ; + vardef chem_db (expr n, f, t, r, c) = if n = 1 : chem_draw (n, chem_msb_path [n], f, t, r, c) ; @@ -217,20 +229,25 @@ vardef chem_db (expr n, f, t, r, c) = chem_draw (n, chem_dbr_path [n], f, t, r, c) ; fi ; enddef ; + vardef chem_er (expr n, f, t, r, c) = chem_draw (n, chem_rl_path[n], f, t, r, c) ; chem_draw (n, chem_rr_path[n], f, t, r, c) ; enddef ; + vardef chem_dr (expr n, f, t, r, c) = chem_draw (n, chem_srl_path[n], f, t, r, c) ; chem_draw (n, chem_srr_path[n], f, t, r, c) ; enddef ; + vardef chem_ad (expr n, f, t, r, c) = chem_draw_arrow(n, chem_ad_path[n], f, t, r, c) ; enddef ; + vardef chem_au (expr n, f, t, r, c) = chem_draw_arrow(n, chem_au_path[n], f, t, r, c) enddef ; + vardef chem_r (expr n, f, t, r, c) = if n < 0 : chem_draw_vertical (n, chem_r_path[n], f, t, r, c) ; @@ -238,27 +255,35 @@ vardef chem_r (expr n, f, t, r, c) = chem_draw (n, chem_r_path[n], f, t, r, c) ; fi ; enddef ; + vardef chem_rd (expr n, f, t, r, c) = chem_dashed_normal (n, chem_r_path[n], f, t, r, c) enddef ; + vardef chem_mrd (expr n, f, t, r, c) = chem_dashed_normal (n, chem_mr_path[n], f, t, r, c) enddef ; + vardef chem_prd (expr n, f, t, r, c) = chem_dashed_normal (n, chem_pr_path[n], f, t, r, c) enddef ; + vardef chem_br (expr n, f, t, r, c) = chem_fill (n, chem_br_path[n], f, t, r, c ) enddef ; + vardef chem_rb (expr n, f, t, r, c) = chem_fill (n, chem_rb_path[n], f, t, r, c) enddef ; + vardef chem_mrb (expr n, f, t, r, c) = chem_fill (n, chem_mrb_path[n], f, t, r, c) enddef ; + vardef chem_prb (expr n, f, t, r, c) = chem_fill (n, chem_prb_path[n], f, t, r, c) enddef ; + vardef chem_mr (expr n, f, t, r, c) = if n < 0 : chem_draw_vertical(n, chem_mr_path[n], f, t, r, c) @@ -266,6 +291,7 @@ vardef chem_mr (expr n, f, t, r, c) = chem_draw (n, chem_mr_path[n], f, t, r, c) fi enddef ; + vardef chem_pr (expr n, f, t, r, c) = if n < 0 : chem_draw_vertical(n, chem_pr_path[n], f, t, r, c) @@ -273,75 +299,95 @@ vardef chem_pr (expr n, f, t, r, c) = chem_draw (n, chem_pr_path[n], f, t, r, c) fi enddef ; + vardef chem_sr (expr n, f, t, r, c) = chem_draw (n, chem_sr_path[n], f, t, r, c) enddef ; + vardef chem_msr (expr n, f, t, r, c) = chem_draw (n, chem_msr_path[n], f, t, r, c) enddef ; + vardef chem_psr (expr n, f, t, r, c) = chem_draw (n, chem_psr_path[n], f, t, r, c) enddef ; + vardef chem_c (expr n, f, t, r, c) = chem_draw (n, chem_c_path[n], f, t, r, c) enddef ; + vardef chem_cc (expr n, f, t, r, c) = chem_draw (n, chem_cc_path[n], f, f, r, c) enddef ; + vardef chem_cd (expr n, f, t, r, c) = chem_dashed_connected (n, chem_c_path[n], f, t, r, c) enddef ; + vardef chem_ccd (expr n, f, t, r, c) = chem_dashed_normal (n, chem_cc_path[n], f, f, r, c) enddef ; + vardef chem_rn (expr n, i, t) = chem_rt (n,i,t) ; enddef ; + vardef chem_rtn (expr n, i, t) = chem_rtt(n,i,t) ; enddef ; + vardef chem_rbn (expr n, i, t) = chem_rbt(n,i,t) ; enddef ; + vardef chem_tb (expr n, f, t, r, c) = % one chem_draw (n, chem_msb_path[n], f, t, r, c) ; chem_draw (n, chem_sb_path [n], f, t, r, c) ; chem_draw (n, chem_psb_path[n], f, t, r, c) ; enddef ; + vardef chem_ep (expr n, f, t, r, c) = % one chem_draw (n, chem_e_path[n], f, t, r, c) ; enddef ; + vardef chem_es (expr n, f, t, r, c) = % one chem_draw_dot (n, center chem_e_path[n], f, t, r, c) ; enddef ; + vardef chem_ed (expr n, f, t, r, c) = % one chem_draw_dot (n, point 0 of chem_e_path[n], f, t, r, c) ; chem_draw_dot (n, point 1 of chem_e_path[n], f, t, r, c) ; enddef ; + vardef chem_et (expr n, f, t, r, c) = % one chem_draw_dot (n, point 0 of chem_e_path[n], f, t, r, c) ; chem_draw_dot (n, center chem_e_path[n], f, t, r, c) ; chem_draw_dot (n, point 1 of chem_e_path[n], f, t, r, c) ; enddef ; + vardef chem_sd (expr n, f, t, r, c) = % one chem_draw (n, chem_ddt_path[n], f, t, r, c) ; chem_draw (n, chem_ddb_path[n], f, t, r, c) ; enddef ; + vardef chem_rdd (expr n, f, t, r, c) = % one chem_draw (n, chem_ldt_path[n], f, t, r, c) ; chem_draw (n, chem_ldb_path[n], f, t, r, c) ; chem_draw (n, chem_psb_path[n], f, t, r, c) ; enddef ; + vardef chem_ldd (expr n, f, t, r, c) = % one chem_draw (n, chem_msb_path[n], f, t, r, c) ; chem_draw (n, chem_rdt_path[n], f, t, r, c) ; chem_draw (n, chem_rdb_path[n], f, t, r, c) ; enddef ; + vardef chem_hb (expr n, f, t, r, c) = % one chem_draw_dot (n, point 0 of chem_sb_path[n], f, t, r, c) ; chem_draw_dot (n, center chem_sb_path[n], f, t, r, c) ; chem_draw_dot (n, point 1 of chem_sb_path[n], f, t, r, c) ; enddef ; + vardef chem_bb (expr n, f, t, r, c) = % one if n < 0 : chem_fill (n, chem_bb_path[n], 1, 1, r, c) ; @@ -350,14 +396,17 @@ vardef chem_bb (expr n, f, t, r, c) = % one chem_fill (n, chem_bb_path[n], f, t, r, c) ; fi ; enddef ; + vardef chem_oe (expr n, f, t, r, c) = % one chem_draw (n, chem_oe_path[n], f, t, r, c) ; enddef ; + vardef chem_bd (expr n, f, t, r, c) = % one for i=0 upto 5 : chem_draw (n, subpath (2i,2i+1) of chem_bd_path[n], f, t, r, c) ; endfor ; enddef ; + vardef chem_bw (expr n, f, t, r, c) = % one chem_draw (n, chem_bw_path[n], f, t, r, c) ; enddef ; @@ -365,9 +414,11 @@ enddef ; vardef chem_z_zero@#(text t) = chem_text@#(t, chem_do(origin)) ; enddef ; + vardef chem_cz_zero@#(text t) = chem_text@#(t, chem_do(origin)) ; enddef ; + vardef chem_z@#(expr n, p) (text t) = if p = 0 : chem_text@#(t, chem_do(origin)) ; @@ -375,6 +426,7 @@ vardef chem_z@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_b_zero[n] rotated chem_ang(n,p))) ; fi ; enddef ; + vardef chem_cz@#(expr n, p) (text t) = if n = 1 : chem_c_text(t, chem_do(chem_crz_zero[n] rotated chem_ang(n,p))) ; @@ -382,9 +434,11 @@ vardef chem_cz@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_b_zero[n] rotated chem_ang(n,p))) ; fi ; enddef ; + vardef chem_midz@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_mid_zero[n] rotated chem_ang(n,p))) ; enddef ; + vardef chem_rz@#(expr n, p) (text t) = if n < 0 : % quite special @@ -393,9 +447,11 @@ vardef chem_rz@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_r_zero[n] rotated chem_ang(n,p))) ; fi ; enddef ; + vardef chem_crz@#(expr n, p) (text tx) = chem_text(tx, chem_do(chem_crz_zero[n] rotated chem_ang(n,p))) ; enddef ; + vardef chem_mrz@#(expr n, p) (text t) = if n < 0 : % quite special @@ -404,6 +460,7 @@ vardef chem_mrz@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_mr_zero[n] rotated chem_ang(n,p))) ; fi ; enddef ; + vardef chem_prz@#(expr n, p) (text t) = if n < 0 : % quite special @@ -412,15 +469,19 @@ vardef chem_prz@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_pr_zero[n] rotated chem_ang(n,p))) ; fi ; enddef ; + vardef chem_rt@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_rt_zero[n] rotated chem_ang(n,p))) ; enddef ; + vardef chem_rtt@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_rtt_zero[n] rotated chem_ang(n,p))) ; enddef ; + vardef chem_rbt@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_rbt_zero[n] rotated chem_ang(n,p))) ; enddef ; + vardef chem_zt@#(expr n, p) (text t) = if n = 1 : chem_text@#(t, chem_do(chem_rt_zero[n] rotated chem_ang(n,p))) ; @@ -428,6 +489,7 @@ vardef chem_zt@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_n_zero[n] rotated chem_ang(n,p))) ; fi ; enddef ; + vardef chem_zn@#(expr n, p) (text t) = if n = 1 : chem_text@#(t, chem_do(chem_rt_zero[n] rotated chem_ang(n,p))) ; @@ -435,15 +497,19 @@ vardef chem_zn@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_n_zero[n] rotated chem_ang(n,p))) ; fi ; enddef ; + vardef chem_zbt@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_rtt_zero[n] rotated chem_ang(n,p))) ; enddef ; + vardef chem_zbn@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_rtt_zero[n] rotated chem_ang(n,p))) ; enddef ; + vardef chem_ztt@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_rbt_zero[n] rotated chem_ang(n,p))) ; enddef ; + vardef chem_ztn@#(expr n, p) (text t) = chem_text@#(t, chem_do(chem_rbt_zero[n] rotated chem_ang(n,p))) ; enddef ; @@ -456,8 +522,8 @@ vardef chem_text@#(expr txt, z) = % adapted copy of thelabel@ save p ; picture p ; p := textext(txt) ; p := p - if (labtype@# >= 10) : shifted (0,ypart center p) fi - shifted (z + chem_text_offset*laboff@# - (labxf@#*lrcorner p + labyf@#*ulcorner p + (1-labxf@#-labyf@#)*llcorner p)) ; + if (mfun_labtype@# >= 10) : shifted (0,ypart center p) fi + shifted (z + chem_text_offset*mfun_laboff@# - (mfun_labxf@#*lrcorner p + mfun_labyf@#*ulcorner p + (1-mfun_labxf@#-mfun_labyf@#)*llcorner p)) ; if chem_text_trace : draw z withpen pencircle scaled 2pt withcolor red ; draw boundingbox p withpen pencircle scaled 1pt withcolor red ; @@ -481,15 +547,19 @@ enddef ; vardef chem_ang (expr n, d) = ((-1 * (d-1) * chem_angle[n]) + (-chem_rotation+1) * 90 + chem_start[n]) % no ; enddef ; + vardef chem_rot (expr n, d) = chem_rotation := d ; enddef ; + vardef chem_adj (expr n, d) = chem_adjacent := d ; enddef ; + vardef chem_sub (expr n, d) = chem_substituent := d ; enddef ; + vardef chem_dir (expr n, d) = if n = 1 : chem_direction_p := (origin - 2*center(chem_b_path[n] rotated chem_ang(n,d+1))) ; @@ -497,6 +567,7 @@ vardef chem_dir (expr n, d) = chem_shift := chem_shift + chem_direction_p ; fi ; enddef ; + vardef chem_mov (expr n, d) = if d = 0 : currentpicture := currentpicture shifted - chem_shift ; @@ -507,6 +578,7 @@ vardef chem_mov (expr n, d) = chem_shift := chem_shift + chem_move_p ; fi ; enddef ; + vardef chem_off (expr n, d) = if (d = 1) or (d = 2) or (d = 8) : % positive currentpicture := currentpicture shifted (-chem_setting_offset,0) ; @@ -554,6 +626,7 @@ vardef chem_draw (expr n, path_fragment, from_point, to_point, linewidth, lineco draw (path_fragment rotated chem_ang(n,i)) withpen pencircle scaled linewidth withcolor linecolor ; endfor ; enddef ; + vardef chem_fill (expr n, path_fragment, from_point, to_point, linewidth, linecolor) = for i:=from_point upto to_point: fill (path_fragment rotated chem_ang(n,i)) withpen pencircle scaled 0 withcolor linecolor ; @@ -565,24 +638,29 @@ vardef chem_dashed_normal (expr n, path_fragment, from_point, to_point, linewidt draw (path_fragment rotated chem_ang(n,i)) withpen pencircle scaled linewidth withcolor linecolor dashed evenly ; endfor ; enddef ; + vardef chem_dashed_connected (expr n, path_fragment, from_point, to_point, linewidth, linecolor) = draw for i:=from_point upto to_point: (path_fragment rotated chem_ang(n,i)) if i < to_point : -- fi endfor withpen pencircle scaled linewidth withcolor linecolor dashed evenly ; enddef ; + vardef chem_draw_dot (expr n, path_fragment, from_point, to_point, linewidth, linecolor) = for i:=from_point upto to_point: draw (path_fragment rotated chem_ang(n,i)) withpen pencircle scaled (chem_dot_factor*linewidth) withcolor linecolor ; endfor ; enddef ; + vardef chem_draw_fixed (expr n, path_fragment, linewidth, linecolor) = draw (path_fragment rotated chem_ang(n,1)) withpen pencircle scaled linewidth withcolor linecolor ; enddef ; + vardef chem_draw_arrow (expr n, path_fragment, from_point, to_point, linewidth, linecolor) = for i:=from_point upto to_point: drawarrow (path_fragment rotated chem_ang(n,i)) withpen pencircle scaled linewidth withcolor linecolor ; endfor ; enddef ; + vardef chem_draw_vertical (expr n, path_fragment, from_point, to_point, linewidth, linecolor) = % quite special for i:=from_point upto to_point: @@ -603,6 +681,7 @@ vardef chem_save = % chem_rotation := 1 ; currentpicture := nullpicture ; enddef ; + vardef chem_restore = if chem_stack_n > 0 : currentpicture := currentpicture shifted - chem_shift ; diff --git a/Master/texmf-dist/metapost/context/base/mp-core.mp b/Master/texmf-dist/metapost/context/base/mp-core.mpii index 2ccdad22c24..c07f0976fd6 100644 --- a/Master/texmf-dist/metapost/context/base/mp-core.mp +++ b/Master/texmf-dist/metapost/context/base/mp-core.mpii @@ -1,6 +1,4 @@ - -if unknown context_tool : input mp-tool ; fi ; -if known context_core : endinput ; fi ; +if known context_core : endinput ; fi ; boolean context_core ; context_core := true ; @@ -1377,10 +1375,6 @@ def ProcessSyncTask(expr p, c) = fill p withcolor c ; enddef ; -endinput ; - -end - % for Jelle Huisman % % \setupcolors[state=start] diff --git a/Master/texmf-dist/metapost/context/base/mp-core.mpiv b/Master/texmf-dist/metapost/context/base/mp-core.mpiv new file mode 100644 index 00000000000..fd0b8bb9c73 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-core.mpiv @@ -0,0 +1,1558 @@ +%D \module +%D [ file=mp-core.mp, +%D version=1999.08.01, % anchoring +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=background macros, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +if known context_core : endinput ; fi ; + +boolean context_core ; context_core := true ; + +%D Copied to here .. not used any more. + +def SaveTextAreas = + path SavedTextAreas [] ; + path SavedTextColumns[] ; + numeric NOfSavedTextAreas ; + numeric NOfSavedTextColumns ; + for i=1 upto NOfTextAreas : + SavedTextAreas[i] := TextAreas[i] ; + endfor ; + for i=1 upto NOfTextColumns : + SavedTextColumns[i] := TextColumns[i] ; + endfor ; + NOfSavedTextAreas := NOfTextAreas ; + NOfSavedTextColumns := NOfTextColumns ; +enddef ; + +def ResetTextAreas = + path TextAreas[], TextColumns[], PlainTextArea, RegionTextArea ; + numeric NOfTextAreas ; NOfTextAreas := 0 ; + numeric NOfTextColumns ; NOfTextColumns := 0 ; + numeric nofmultipars ; nofmultipars := 0 ; + TextAreas[0] := TextColumns[0] := origin -- cycle ; +enddef ; + +ResetTextAreas ; SaveTextAreas ; ; + +def RegisterTextArea (expr x, y, w, h, d) = + begingroup ; + save p ; path p ; + p := unitsquare xyscaled(w,h+d) shifted (x,y-d) ; + if NOfTextAreas>0 : + % if needed, concatenate areas + if (round(llcorner TextAreas[NOfTextAreas]) = round(ulcorner p)) and + (round(lrcorner TextAreas[NOfTextAreas]) = round(urcorner p)) : + p := + ulcorner TextAreas[NOfTextAreas] -- + urcorner TextAreas[NOfTextAreas] -- + lrcorner p -- + llcorner p -- cycle ; + else : + NOfTextAreas := NOfTextAreas + 1 ; + fi ; + else : + NOfTextAreas := NOfTextAreas + 1 ; + fi ; + TextAreas[NOfTextAreas] := p ; + if NOfTextColumns>0 : + if (round(xpart llcorner TextColumns[NOfTextColumns]) = round(xpart ulcorner p)) and + (round(xpart lrcorner TextColumns[NOfTextColumns]) = round(xpart urcorner p)) : + p := + ulcorner TextColumns[NOfTextColumns] -- + urcorner TextColumns[NOfTextColumns] -- + lrcorner p -- + llcorner p -- cycle ; + else : + NOfTextColumns := NOfTextColumns + 1 ; + fi ; + else : + NOfTextColumns := NOfTextColumns + 1 ; + fi ; + TextColumns[NOfTextColumns] := p ; + endgroup ; +enddef ; + +%D We store a local area in slot zero. + +def RegisterPlainTextArea(expr x,y,w,h,d) = + PlainTextArea := unitsquare xyscaled(w,h+d) shifted (x,y-d) ; +enddef ; + +def RegisterRegionTextArea(expr x,y,w,h,d) = + RegionTextArea := unitsquare xyscaled(w,h+d) shifted (x,y-d) ; + % RegionTextArea := RegionTextArea enlarged 2mm ; +enddef ; + +def RegisterLocalTextArea (expr x, y, w, h, d) = + TextAreas[0] := TextColumns[0] := unitsquare xyscaled(w,h+d) shifted (x,y-d) ; +enddef ; + +def ResetLocalTextArea = + TextAreas[0] := TextColumns[0] := origin -- cycle ; +enddef ; + +ResetLocalTextArea ; + +vardef InsideTextArea (expr _i_, _xy_) = + (round(xpart _xy_) >= round(xpart llcorner TextAreas[_i_])) and + (round(xpart _xy_) <= round(xpart lrcorner TextAreas[_i_])) and + (round(ypart _xy_) >= round(ypart llcorner TextAreas[_i_])) and + (round(ypart _xy_) <= round(ypart urcorner TextAreas[_i_])) +enddef ; + +vardef InsideSavedTextArea (expr _i_, _xy_) = + (round(xpart _xy_) >= round(xpart llcorner SavedTextAreas[_i_])) and + (round(xpart _xy_) <= round(xpart lrcorner SavedTextAreas[_i_])) and + (round(ypart _xy_) >= round(ypart llcorner SavedTextAreas[_i_])) and + (round(ypart _xy_) <= round(ypart urcorner SavedTextAreas[_i_])) +enddef ; + +vardef InsideSomeTextArea (expr _xy_) = + save ok ; boolean ok ; ok := false ; + for i := 1 upto NOfTextAreas : + if InsideTextArea(i,_xy_) : + ok := true ; % we can move the exit here + fi ; + exitif ok ; + endfor ; + ok +enddef ; + +vardef InsideSomeSavedTextArea (expr _xy_) = + save ok ; boolean ok ; ok := false ; + for i := 1 upto NOfSavedTextAreas : + if InsideSavedTextArea(i,_xy_) : + ok := true ; + fi ; + exitif ok ; + endfor ; + ok +enddef ; + +vardef TextAreaX (expr x) = + numeric _TextAreaX_ ; _TextAreaX_ := 0 ; + for i := 1 upto NOfTextAreas : + if (round(x) >= round(xpart llcorner TextAreas[i])) and + (round(x) <= round(xpart lrcorner TextAreas[i])) : + _TextAreaX_ := xpart llcorner TextAreas[i] ; + fi ; + endfor ; + _TextAreaX_ +enddef ; + +vardef TextAreaY (expr y) = + numeric _TextAreaY_ ; _TextAreaY_ := 0 ; + for i := 1 upto NOfTextAreas : + if (round(y) >= round(ypart llcorner TextAreas[NOfTextAreas])) and + (round(y) <= round(ypart ulcorner TextAreas[NOfTextAreas])) : + _TextAreaY_ := ypart llcorner TextAreas[NOfTextAreas] ; + fi ; + endfor ; + _TextAreaY_ +enddef ; + +vardef TextAreaXY (expr x, y) = + pair _TextAreaXY_ ; _TextAreaXY_ := origin ; + for i := 1 upto NOfTextAreas : + if (round(x) >= round(xpart llcorner TextAreas[i])) and + (round(x) <= round(xpart lrcorner TextAreas[i])) and + (round(y) >= round(ypart llcorner TextAreas[i])) and + (round(y) <= round(ypart ulcorner TextAreas[i])) : + _TextAreaXY_ := llconer TextAreas[i] ; + fi ; + endfor ; + _TextAreaXY_ +enddef ; + +vardef TextAreaW (expr x) = + numeric _TextAreaW_ ; _TextAreaW_ := 0 ; + for i := 1 upto NOfTextAreas : + if (round(x) >= round(xpart llcorner TextAreas[i])) and + (round(x) <= round(xpart lrcorner TextAreas[i])) : + _TextAreaW_ := bbwidth(TextAreas[i]) ; + fi ; + endfor ; + _TextAreaW_ +enddef ; + +vardef TextAreaH (expr y) = + numeric _TextAreaH_ ; _TextAreaH_ := 0 ; + for i := 1 upto NOfTextAreas : + if (round(y) >= round(ypart llcorner TextAreas[i])) and + (round(y) <= round(ypart ulcorner TextAreas[i])) : + _TextAreaH_ := bbheight(TextAreas[i]) ; + fi ; + endfor ; + _TextAreaH_ +enddef ; + +vardef TextAreaWH (expr x, y) = + pair _TextAreaWH_ ; _TextAreaWH_ := origin ; + for i := 1 upto NOfTextAreas : + if (round(x) >= round(xpart llcorner TextAreas[i])) and + (round(x) <= round(xpart lrcorner TextAreas[i])) and + (round(y) >= round(ypart llcorner TextAreas[i])) and + (round(y) <= round(ypart ulcorner TextAreas[i])) : + _TextAreaWH_ := (bbwidth(TextAreas[i]),bbheight(TextAreas[i])) ; + fi ; + endfor ; + _TextAreaWH_ +enddef ; + +%D Till here. + +pair lxy[], rxy[], cxy[], llxy[], lrxy[], ulxy[], urxy[] ; +path pxy[] ; +numeric hxy[], wxy[], dxy[], nxy[] ; + +def box_found (expr n,x,y,w,h,d) = + not ((x=0) and (y=0) and (w=0) and (h=0) and (d=0)) +enddef ; + +def initialize_box_pos (expr pos,n,x,y,w,h,d) = + pair lxy, rxy, cxy, llxy, lrxy, ulxy, urxy ; + path pxy ; numeric hxy, wxy, dxy, nxy; + lxy := (x,y) ; + llxy := (x,y-d) ; + lrxy := (x+w,y-d) ; + urxy := (x+w,y+h) ; + ulxy := (x,y+h) ; + wxy := w ; + hxy := h ; + dxy := d ; + rxy := lxy shifted (wxy,0) ; + pxy := llxy--lrxy--urxy--ulxy--cycle ; + cxy := center pxy ; + nxy := n ; + freeze_box(pos) ; +enddef ; + +def freeze_box (expr pos) = + lxy[pos] := lxy ; + llxy[pos] := llxy ; + lrxy[pos] := lrxy ; + urxy[pos] := urxy ; + ulxy[pos] := ulxy ; + wxy[pos] := wxy ; + hxy[pos] := hxy ; + dxy[pos] := dxy ; + rxy[pos] := rxy ; + pxy[pos] := pxy ; + cxy[pos] := cxy ; + nxy[pos] := nxy ; +enddef ; + +def initialize_box (expr n,x,y,w,h,d) = + numeric bpos ; bpos := 0 ; initialize_box_pos(bpos,n,x,y,w,h,d) ; +enddef ; + +def initialize_area (expr fn,fx,fy,fw,fh,fd, + tn,tx,ty,tw,th,td) = + numeric fpos ; fpos := 1 ; initialize_box_pos(fpos,fn,fx,fy,fw,fh,fd) ; + numeric tpos ; tpos := 2 ; initialize_box_pos(tpos,tn,tx,ty,tw,th,td) ; + do_initialize_area (fpos, tpos) ; +enddef ; + +def do_initialize_area (expr fpos, tpos) = + lxy := lxy[fpos] ; + llxy := (xpart llxy[fpos], ypart llxy[tpos]) ; + lrxy := lrxy[tpos] ; + urxy := (xpart urxy[tpos], ypart urxy[fpos]) ; + ulxy := ulxy[fpos] ; + wxy := xpart lrxy - xpart llxy ; + hxy := hxy[fpos] ; + dxy := dxy[tpos] ; + rxy := lxy shifted (wxy,0) ; + pxy := llxy--lrxy--urxy--ulxy--cycle ; + cxy := center pxy ; +enddef ; + +def set_par_line_height (expr ph, pd) = + par_strut_height := if ph>0 : ph elseif StrutHeight>0 : StrutHeight else : 8pt fi ; + par_strut_depth := if pd>0 : pd elseif StrutDepth >0 : StrutDepth else : 3pt fi ; + par_line_height := par_strut_height + par_strut_depth ; +enddef ; + +def initialize_par (expr fn,fx,fy,fw,fh,fd, + tn,tx,ty,tw,th,td, + mn,mx,my,mw,mh,md, + pn,px,py,pw,ph,pd, + rw,rl,rr,rh,ra,ri) = + + numeric fpos ; fpos := 1 ; initialize_box_pos(fpos,fn,fx,fy,fw,fh,fd) ; + numeric tpos ; tpos := 2 ; initialize_box_pos(tpos,tn,tx,ty,tw,th,td) ; + numeric mpos ; mpos := 3 ; initialize_box_pos(mpos,mn,mx,my,mw,mh,md) ; + numeric ppos ; ppos := 4 ; initialize_box_pos(ppos,pn,px,py,pw,ph,pd) ; + + numeric par_strut_height, par_strut_depth, par_line_height ; + + set_par_line_height (ph, pd) ; + + do_initialize_area (fpos, tpos) ; + do_initialize_par (fpos, tpos, mpos, ppos, rw,rl,rr,rh,ra,ri) ; + +enddef ; + +def initialize_area_par (expr fn,fx,fy,fw,fh,fd, + tn,tx,ty,tw,th,td, + wn,wx,wy,ww,wh,wd) = + + numeric fpos ; fpos := 1 ; initialize_box_pos(fpos,fn,fx,fy,fw,fh,fd) ; + numeric tpos ; tpos := 2 ; initialize_box_pos(tpos,tn,tx,ty,tw,th,td) ; + numeric wpos ; wpos := 3 ; initialize_box_pos(wpos,wn,wx,wy,ww,wh,wd) ; + + numeric par_strut_height, par_strut_depth, par_line_height ; + + set_par_line_height (wh, wd) ; + + numeric ffpos ; ffpos := 4 ; initialize_box_pos(ffpos,wn,wx,fy,0,wh,wd) ; + numeric ttpos ; ttpos := 5 ; initialize_box_pos(ttpos,wn,wx+ww,ty,0,wh,wd) ; + + do_initialize_area (ffpos, ttpos) ; + + numeric mpos ; mpos := 6 ; freeze_box(mpos) ; + + do_initialize_par (fpos, tpos, mpos, ffpos, 0,0,0,0,0,0) ; + +enddef ; + +def do_initialize_par (expr fpos, tpos, mpos, ppos, rw,rl,rr,rh,ra,ri) = + + pair lref, rref, pref, lhref, rhref ; + + % clip the page area to the left and right skips + + llxy[mpos] := llxy[mpos] shifted (+rl,0) ; + lrxy[mpos] := lrxy[mpos] shifted (-rr,0) ; + urxy[mpos] := urxy[mpos] shifted (-rr,0) ; + ulxy[mpos] := ulxy[mpos] shifted (+rl,0) ; + + % fixate the leftskip, rightskip and hanging indentation + + lref := (xpart llxy[mpos],ypart ulxy[ppos]) ; lhref := lref shifted (rh,0) ; + rref := (xpart lrxy[mpos],ypart urxy[ppos]) ; rhref := rref shifted (rh,0) ; + + pref := lxy[ppos] ; + + if nxy[tpos] > nxy[fpos] : + if nxy[fpos] = nxy[mpos] : + % first of multiple pages + llxy[tpos] := llxy[mpos] ; + lrxy[tpos] := lrxy[mpos] ; + urxy[tpos] := lrxy[mpos] shifted (0,par_line_height) ; + ulxy[tpos] := llxy[mpos] shifted (0,par_line_height) ; + boxgriddirection := down ; + elseif nxy[tpos] = nxy[mpos] : + % last of multiple pages + llxy[fpos] := ulxy[mpos] shifted (0,-par_line_height) ; + lrxy[fpos] := urxy[mpos] shifted (0,-par_line_height) ; + urxy[fpos] := urxy[mpos] ; + ulxy[fpos] := ulxy[mpos] ; + boxgriddirection := up ; + else : + % middle of multiple pages + llxy[fpos] := ulxy[mpos] shifted (0,-par_line_height) ; + lrxy[fpos] := urxy[mpos] shifted (0,-par_line_height) ; + urxy[fpos] := urxy[mpos] ; + ulxy[fpos] := ulxy[mpos] ; + llxy[tpos] := llxy[mpos] ; + lrxy[tpos] := lrxy[mpos] ; + urxy[tpos] := lrxy[mpos] shifted (0,par_line_height) ; + ulxy[tpos] := llxy[mpos] shifted (0,par_line_height) ; + boxgriddirection := up ; + fi ; + else : + % just one page + boxgriddirection := up ; + fi ; + + path txy, bxy, pxy, mxy ; + + txy := originpath ; % top + bxy := originpath ; % bottom + pxy := originpath ; % composed + + boolean lefthang, righthang, somehang ; + + % we only hang on the first of a multiple page background + + if nxy[mpos] > nxy[fpos] : + lefthang := righthang := somehang := false ; + else : + lefthang := (rh>0) ; righthang := (rh<0) ; somehang := false ; + fi ; + + if lefthang : + mxy := boundingbox (lref -- lref shifted (rh,ra*par_line_height)) ; + elseif righthang : + mxy := boundingbox (rref -- rref shifted (rh,ra*par_line_height)) ; + else : + mxy := originpath ; + fi ; + + if round(ypart llxy[fpos]) = round(ypart llxy[tpos]) : + + % We have a one-liner. Watch how er use the bottom pos for + % determining the height. + + llxy[fpos] := (xpart llxy[fpos], ypart llxy[tpos]) ; + ulxy[fpos] := (xpart ulxy[fpos], ypart ulxy[tpos]) ; + + else : + + % We have a multi-liner. For convenience we now correct the + % begin and end points for indentation. + + if lefthang and (round(ypart llxy[tpos]) >= round(ypart lrcorner mxy)) : + llxy[tpos] := (xpart lhref, ypart llxy[tpos]) ; + ulxy[tpos] := (xpart lhref, ypart ulxy[tpos]) ; + else : + llxy[tpos] := (xpart lref, ypart llxy[tpos]) ; + ulxy[tpos] := (xpart lref, ypart ulxy[tpos]) ; + fi ; + + if righthang and (round(ypart lrxy[fpos]) >= round(ypart llcorner mxy)) : + lrxy[fpos] := (xpart rhref, ypart lrxy[fpos]) ; + urxy[fpos] := (xpart rhref, ypart urxy[fpos]) ; + else : + lrxy[fpos] := (xpart rref, ypart lrxy[fpos]) ; + urxy[fpos] := (xpart rref, ypart urxy[fpos]) ; + fi ; + + fi ; + + somehang := (ypart ulxy[fpos]>ypart llcorner mxy) and + (ypart llxy[tpos]<ypart llcorner mxy) ; + + if round(ypart llxy[fpos]) = round(ypart llxy[tpos]) : + + % A (short) one-liner goes into the top box. + + txy := llxy[fpos] -- lrxy[tpos] -- urxy[tpos] -- ulxy[fpos] -- cycle ; + + elseif (round(ypart llxy[fpos]) = round(ypart ulxy[tpos])) and + (round(xpart lrxy[tpos]) < round(xpart llxy[fpos])) : + + % We have a sentence that spans two lines but with only end + % of line and begin of line segments. We need to take care of + % indentation. + + txy := llxy[fpos] -- lrxy[fpos] -- urxy[fpos] -- ulxy[fpos] -- cycle ; + bxy := llxy[tpos] -- lrxy[tpos] -- urxy[tpos] -- ulxy[tpos] -- cycle ; + + elseif (round(ypart llxy[fpos]) = round(ypart ulxy[tpos])) : + + % We have a sentence that spans two lines but with overlap. + + pxy := + llxy[tpos] -- lrxy[tpos] -- urxy[tpos] -- lrxy[fpos] -- + urxy[fpos] -- ulxy[fpos] -- llxy[fpos] -- ulxy[tpos] -- cycle ; + + elseif lefthang and somehang : + + % We have a sentence that spans more than two lines with + % left hanging indentation. + + pxy := + llxy[tpos] -- lrxy[tpos] -- urxy[tpos] -- + (xpart urxy[fpos],ypart urxy[tpos]) -- + urxy[fpos] -- ulxy[fpos] -- llxy[fpos] -- + if round(ypart urxy[tpos]) < round(ypart llcorner mxy) : + (xpart lrcorner mxy,ypart llxy[fpos]) -- + lrcorner mxy -- + (xpart llxy[tpos],ypart llcorner mxy) -- + else : + (xpart llxy[tpos],ypart llxy[fpos]) -- + fi + cycle ; + + elseif righthang and somehang : + + % We have a sentence that spans more than two lines with + % right hanging indentation. + + pxy := + llxy[tpos] -- lrxy[tpos] -- urxy[tpos] -- + if round(ypart urxy[tpos]) < round(ypart llcorner mxy) : + (xpart lrcorner mxy,ypart urxy[tpos]) -- + lrcorner mxy -- llcorner mxy -- + else : + (xpart urxy[fpos],ypart urxy[tpos]) -- + fi + urxy[fpos] -- ulxy[fpos] -- llxy[fpos] -- + (xpart llxy[tpos],ypart llxy[fpos]) -- + cycle ; + + else : + + % We have a sentence that spans more than two lines with + % no hanging indentation. + + pxy := + llxy[tpos] -- lrxy[tpos] -- urxy[tpos] -- + (xpart urxy[fpos],ypart urxy[tpos]) -- + urxy[fpos] -- ulxy[fpos] -- llxy[fpos] -- + (xpart llxy[tpos],ypart llxy[fpos]) -- + cycle ; + + fi ; + + pxy := simplified pxy ; + pxy := unspiked pxy ; + +enddef ; + +TopSkip := 0 ; % will move +StrutHeight := 0 ; % will move + +pair last_multi_par_shift ; last_multi_par_shift := origin ; + +def relocate_multipars (expr xy) = + last_multi_par_shift := xy ; + for i=1 upto nofmultipars : + multipars[i] := multipars[i] shifted last_multi_par_shift ; + endfor ; +enddef ; + +boolean compensate_multi_par_topskip ; +boolean span_multi_column_pars ; +boolean auto_multi_par_hsize ; +boolean enable_multi_par_fallback ; + +compensate_multi_par_topskip := true ; +span_multi_column_pars := false ; +auto_multi_par_hsize := false ; % true ; +enable_multi_par_fallback := true ; + +vardef multi_par_at_top (expr i) = + (round (ypart ulcorner multipars[i]) = round (ypart ulcorner (TextAreas[multirefs[i]] shifted last_multi_par_shift))) +enddef ; + +numeric nofmultipars ; nofmultipars := 0 ; + +boolean obey_multi_par_hang ; obey_multi_par_hang := true ; +boolean obey_multi_par_more ; obey_multi_par_more := true ; +boolean snap_multi_par_tops ; snap_multi_par_tops := true ; +boolean local_multi_par_area ; local_multi_par_area := false ; +boolean use_multi_par_region ; use_multi_par_region := false ; +boolean ignore_multi_par_page ; ignore_multi_par_page := false ; +boolean force_multi_par_chain ; force_multi_par_chain := true ; +boolean one_piece_multi_par ; one_piece_multi_par := false ; +boolean check_multi_par_chain ; check_multi_par_chain := true ; % extra page check + +boolean multi_column_first_page_hack; multi_column_first_page_hack := true ; % seems to work ok + +def simplify_multi_pars = % boundingbox ipv shape als optie + for i := 1 upto nofmultipars : + multipars[i] := boundingbox multipars[i] ; + endfor ; +enddef ; + +def save_multipar (expr i, l, p) = + nofmultipars := nofmultipars + 1 ; + multirefs[nofmultipars] := i ; + multilocs[nofmultipars] := l ; + multipars[nofmultipars] := unspiked (simplified p) ; +enddef ; + +def prepare_multi_pars (expr fn,fx,fy,fw,fh,fd, + tn,tx,ty,tw,th,td, + wn,wx,wy,ww,wh,wd, + pn,px,py,pw,ph,pd, + rw,rl,rr,rh,ra,ri) = + +% fill PlainTextArea withcolor red ; +% fill RegionTextArea withcolor green; + + if span_multi_column_pars : + begingroup ; + save TextAreas ; path TextAreas[] ; + save NOfTextAreas ; numeric NOfTextAreas ; + for i=1 upto NOfTextColumns : + TextAreas[i] := TextColumns[i] ; + endfor ; + NOfTextAreas := NOfTextColumns ; + fi ; + + last_multi_par_shift := origin ; + +% save _tx_, _ty_, _fx_, _fy_ ; +% if use_multi_par_region : +% _fx_ := fx ; %min(xpart ulcorner RegionTextArea,fx) ; +% _fy_ := fy ; %min(xpart ulcorner RegionTextArea,fy) ; +% _tx_ := min(xpart lrcorner RegionTextArea,tx) ; +% _ty_ := min(xpart lrcorner RegionTextArea,ty) ; +% else : +% _fx_ := fx ; +% _fy_ := fy ; +% _tx_ := tx ; +% _ty_ := ty ; +% fi ; + +% numeric fpos ; fpos := 1 ; initialize_box_pos(fpos,fn,_fx_,_fy_,fw,fh,fd) ; +% numeric tpos ; tpos := 2 ; initialize_box_pos(tpos,tn,_tx_,_ty_,tw,th,td) ; + numeric fpos ; fpos := 1 ; initialize_box_pos(fpos,fn,fx,fy,fw,fh,fd) ; + numeric tpos ; tpos := 2 ; initialize_box_pos(tpos,tn,tx,ty,tw,th,td) ; + numeric wpos ; wpos := 3 ; initialize_box_pos(wpos,wn,wx,wy,ww,wh,wd) ; + numeric ppos ; ppos := 4 ; initialize_box_pos(ppos,pn,px,py,pw,ph,pd) ; + + if local_multi_par_area : + RealPageNumber := fn ; + NOfTextAreas := 1 ; + NOfSavedTextAreas := 0 ; + TextAreas[1] := TextAreas[0] ; + TextColumns[1] := TextColumns[0] ; + nxy[fpos] := nxy[tpos] := nxy[wpos] := nxy[ppos] := RealPageNumber ; + elseif use_multi_par_region : + RealPageNumber := fn ; + NOfTextAreas := 1 ; + NOfSavedTextAreas := 0 ; + TextAreas[1] := RegionTextArea ; + TextColumns[1] := RegionTextArea ; + nxy[fpos] := nxy[tpos] := nxy[wpos] := nxy[ppos] := RealPageNumber ; + elseif ignore_multi_par_page : + RealPageNumber := fn ; + nxy[fpos] := nxy[tpos] := nxy[wpos] := nxy[ppos] := RealPageNumber ; + fi ; + + numeric par_strut_height, par_strut_depth, par_line_height ; + + set_par_line_height (ph, pd) ; + + numeric par_hang_indent, par_hang_after, par_indent, par_left_skip, par_right_skip ; + + par_hang_indent := rh ; + par_hang_after := ra ; + par_indent := ri ; + par_left_skip := rl ; + par_right_skip := rr ; + + pair par_start_pos ; + pair par_stop_pos ; + + par_start_pos := llxy[fpos] + if par_indent <0: shifted (-par_indent, 0) fi + if par_left_skip<0: shifted (-par_left_skip,0) fi ; + + par_stop_pos := lrxy[tpos] + if par_right_skip<0: shifted (par_right_skip,0) fi ; % nasty as the endpos can be shifted by rightskip + + if wxy[wpos]>0 : + left_skip := rl + xpart llxy[wpos] - xpart llxy[ppos] ; + right_skip := rw - left_skip - ww ; + else : + left_skip := rl ; + right_skip := rr ; + fi ; + + path multipar, multipars[] ; + numeric multiref, multirefs[] ; + numeric multiloc, multilocs[] ; % 1=begin 2=between 3=end + + numeric multi_par_pages ; multi_par_pages := nxy[tpos]-nxy[fpos]+1 ; + + % locals .. why can't i move these outside? + + vardef _pmp_set_multipar_ (expr i) = + ( (TextAreas[i] leftenlarged -left_skip) rightenlarged (-right_skip + if auto_multi_par_hsize : + rw - bbwidth(TextAreas[i]) fi) ) + enddef ; + + vardef _pmp_snapped_multi_pos_ (expr p) = + if snap_multi_par_tops : + if abs(ypart p - ypart ulcorner multipar) < par_line_height : + (xpart p,ypart ulcorner multipar) + else : + p + fi + else : + p + fi + enddef ; + + vardef _pmp_estimated_par_lines_ (expr h) = + round(h/par_line_height) + enddef ; + + vardef _pmp_top_multi_par_(expr p) = + (round(_pmp_estimated_par_lines_(bbheight(p)*par_line_height))=round(bbheight(p))) + enddef ; + + vardef _pmp_multi_par_tsc_(expr p) = + if _pmp_top_multi_par_(p) : TopSkipCorrection else : 0 fi + enddef ; + + vardef _pmp_estimated_multi_par_height_ (expr n, t) = + if round(par_line_height)=0 : + 0 + else : + save ok, h ; boolean ok ; + numeric h ; h := 0 ; + ok := false ; + if (nxy[fpos]=RealPageNumber-1) : + for i := 1 upto NOfSavedTextAreas : + if (InsideSavedTextArea(i,par_start_pos)) : + ok := true ; + h := h + _pmp_estimated_par_lines_(ypart ulxy[fpos] - ypart llcorner SavedTextAreas[i]) ; + elseif ok : + h := h + _pmp_estimated_par_lines_(bbheight(SavedTextAreas[i])) ; + fi ; + endfor ; + fi ; + if ok : + for i := 1 upto n-1 : + h := h + _pmp_estimated_par_lines_(bbheight(TextAreas[i])) ; + endfor ; + else : + % already: ok := false ; + for i := 1 upto n-1 : + if (InsideTextArea(i,par_start_pos)) : + ok := true ; + h := h + _pmp_estimated_par_lines_(ypart ulxy[fpos] - ypart llcorner TextAreas[i]) ; + elseif ok : + h := h + _pmp_estimated_par_lines_(bbheight(TextAreas[i])) ; + fi ; + endfor ; + fi ; + h + fi + enddef ; + + vardef _pmp_left_top_hang_ (expr same_area) = + + par_hang_after := ra + _pmp_estimated_par_lines_(py-fy) ; + + if (par_hang_indent>0) and (par_hang_after<0) and obey_multi_par_hang : + pair _ul_ ; _ul_ := (xpart ulcorner multipar, ypart _pmp_snapped_multi_pos_(ulxy[fpos])); + pair _pa_ ; _pa_ := _ul_ shifted (0,par_hang_after*par_line_height) ; + _pa_ := (xpart _pa_,max(ypart _pa_ -TopSkipCorrection,ypart llcorner multipar)) ; + if same_area : + _pa_ := (xpart _pa_,max(ypart _pa_ -TopSkipCorrection,ypart llxy[tpos])) ; + fi ; + if obey_multi_par_more and (round(par_line_height)>0) : + par_hang_after := min(0,round(par_hang_after + (ypart urxy[fpos]-ypart _pa_)/par_line_height)) ; + fi ; + (xpart _ul_ + par_hang_indent, ypart lrxy[fpos]) -- + (xpart _ul_ + par_hang_indent, ypart _pa_) -- + (xpart ulcorner multipar, ypart _pa_) + else : + (xpart ulcorner multipar, ypart lrxy[fpos]) + fi + enddef ; + + vardef _pmp_right_top_hang_ (expr same_area) = + + par_hang_after := ra + _pmp_estimated_par_lines_(py-fy) ; + + if (par_hang_indent<0) and (par_hang_after<0) and obey_multi_par_hang : + pair _ur_ ; _ur_ := (xpart urcorner multipar, ypart _pmp_snapped_multi_pos_(urxy[fpos])) ; + pair _pa_ ; _pa_ := _ur_ shifted (0,par_hang_after*par_line_height) ; + _pa_ := (xpart _pa_,max(ypart _pa_ -TopSkipCorrection,ypart llcorner multipar)) ; + if same_area : + _pa_ := (xpart _pa_,max(ypart _pa_ -TopSkipCorrection,ypart _pmp_snapped_multi_pos_(ulxy[tpos]))) ; + fi ; + if obey_multi_par_more and (round(par_line_height)>0) : + par_hang_after := min(0,round(par_hang_after + (ypart urxy[fpos]-ypart _pa_)/par_line_height)) ; + fi ; + (xpart urcorner multipar, ypart _pa_) -- + (xpart _ur_ + par_hang_indent, ypart _pa_) -- + (xpart _ur_ + par_hang_indent, ypart _pmp_snapped_multi_pos_(urxy[fpos])) + else : + (xpart urcorner multipar, ypart _pmp_snapped_multi_pos_(urxy[fpos])) + fi + enddef ; + + vardef _pmp_x_left_top_hang_ (expr i, t) = + par_hang_after := min(0,ra + _pmp_estimated_multi_par_height_(i,t)) ; + if (par_hang_indent>0) and (par_hang_after<0) : + pair _ul_ ; _ul_ := ulcorner multipar ; + pair _pa_ ; _pa_ := _ul_ shifted (0,par_hang_after*par_line_height) ; + _pa_ := (xpart _pa_,max(ypart _pa_,ypart llcorner multipar)) ; + if t : + _pa_ := (xpart _pa_,max(ypart _pa_,ypart llxy[tpos])); + fi ; + if abs(ypart _pa_-ypart llxy[tpos])<par_line_height : + _pa_ := (xpart _pa_,ypart llxy[tpos]); + fi ; + if abs(ypart _pa_-ypart llcorner multipar)<par_line_height : + _pa_ := (xpart _pa_,ypart llcorner multipar); + fi ; + (xpart _ul_, ypart _pa_) -- + (xpart _ul_ + par_hang_indent, ypart _pa_) -- + (xpart _ul_ + par_hang_indent, ypart _ul_) + else : + ulcorner multipar + fi + enddef ; + + vardef _pmp_x_right_top_hang_ (expr i, t) = + par_hang_after := min(0,ra + _pmp_estimated_multi_par_height_(i,t)) ; + if (par_hang_indent<0) and (par_hang_after<0) : + pair _ur_ ; _ur_ := urcorner multipar ; + pair _pa_ ; _pa_ := _ur_ shifted (0,par_hang_after*par_line_height) ; + _pa_ := (xpart _pa_,max(ypart _pa_,ypart lrcorner multipar)) ; + if t : + _pa_ := (xpart _pa_,max(ypart _pa_,ypart _pmp_snapped_multi_pos_(urxy[tpos]))) ; + fi ; + (xpart _ur_ + par_hang_indent, ypart _ur_) -- + (xpart _ur_ + par_hang_indent, ypart _pa_) -- + (xpart _ur_, ypart _pa_) + else : + urcorner multipar + fi + enddef ; + + vardef _pmp_left_bottom_hang_ (expr same_area) = + pair _ll_, _sa_, _pa_ ; + _sa_ := if same_area : llxy[tpos] else : lrcorner multipar fi ; + if (par_hang_indent>0) and (par_hang_after>0) and obey_multi_par_hang : + _ll_ := (xpart ulcorner multipar, ypart _pmp_snapped_multi_pos_(ulxy[fpos])) ; + _pa_ := _ll_ shifted (0,-par_hang_after*par_line_height) ; + _pa_ := (xpart _pa_,max(ypart _pa_,ypart llcorner multipar)) ; + if same_area : + _pa_ := (xpart _pa_,max(ypart _pa_,ypart _sa_)) ; + fi ; + if obey_multi_par_more and (round(par_line_height)>0) : + par_hang_after := max(0,round(par_hang_after - (ypart urxy[fpos]-ypart _pa_)/par_line_height)) ; + fi ; + _pa_ -- + (xpart _pa_ + par_hang_indent,ypart _pa_) -- + (xpart _pa_ + par_hang_indent,ypart _sa_) + else : + (xpart llcorner multipar, ypart _sa_) + fi + enddef ; + + vardef _pmp_right_bottom_hang_ (expr same_area) = + pair _lr_, _sa_, _pa_ ; + _sa_ := if same_area : _pmp_snapped_multi_pos_(ulxy[tpos]) else : lrcorner multipar fi ; + if (par_hang_indent<0) and (par_hang_after>0) and obey_multi_par_hang : + _lr_ := (xpart urcorner multipar, ypart _pmp_snapped_multi_pos_(urxy[fpos])) ; + _pa_ := _lr_ shifted (0,-par_hang_after*par_line_height) ; + _pa_ := (xpart _pa_,max(ypart _pa_,ypart lrcorner multipar)) ; + if same_area : + _pa_ := (xpart _pa_,max(ypart _pa_,ypart _pmp_snapped_multi_pos_(ulxy[tpos]))) ; + fi ; + if obey_multi_par_more and (round(par_line_height)>0) : + par_hang_after := max(0,round(par_hang_after - (ypart urxy[fpos]-ypart _pa_)/par_line_height)) ; + fi ; + (xpart _pa_ + par_hang_indent,ypart _sa_) -- + (xpart _pa_ + par_hang_indent,ypart _pa_) -- + _pa_ + else : + (xpart lrcorner multipar, ypart _sa_) + fi + enddef ; + + vardef _pmp_x_left_bottom_hang_ (expr i, t) = + pair _ll_, _sa_, _pa_ ; + _sa_ := if t : llxy[tpos] else : llcorner multipar fi ; + if (par_hang_indent>0) and (ra>0) : + par_hang_after := max(0,ra - _pmp_estimated_multi_par_height_(i,t)) ; + _ll_ := ulcorner multipar ; + _pa_ := _ll_ shifted (0,-par_hang_after*par_line_height) ; + _pa_ := (xpart _pa_,max(ypart _pa_,ypart llcorner multipar)) ; + _pa_ := (xpart _pa_,max(ypart _pa_,ypart _sa_)) ; + % we need to compensate for topskip enlarged areas + if abs(ypart _pa_ - ypart _sa_) > par_line_height : + (xpart _pa_ + par_hang_indent,ypart _sa_) -- + (xpart _pa_ + par_hang_indent,ypart _pa_) -- + fi + _pa_ + else : + (xpart llcorner multipar, ypart _sa_) + fi + enddef ; + + vardef _pmp_x_right_bottom_hang_ (expr i, t) = + pair _lr_, _sa_, _pa_ ; + _sa_ := if t : _pmp_snapped_multi_pos_(ulxy[tpos]) else : llcorner multipar fi ; + if (par_hang_indent<0) and (ra>0) : + par_hang_after := max(0,ra - _pmp_estimated_multi_par_height_(i, t)) ; + _lr_ := urcorner multipar ; + _pa_ := _lr_ shifted (0,-par_hang_after*par_line_height) ; + _pa_ := (xpart _pa_,max(ypart _pa_,ypart lrcorner multipar)) ; + _pa_ := (xpart _pa_,max(ypart _pa_,ypart _sa_)) ; + % we need to compensate for topskip enlarged areas + _pa_ + if abs(ypart _pa_ - ypart _sa_) > par_line_height : + -- (xpart _pa_ + par_hang_indent,ypart _pa_) + -- (xpart _pa_ + par_hang_indent,ypart _sa_) + fi + else : + (xpart lrcorner multipar, ypart _sa_) + fi + enddef ; + + % def _pmp_test_multipar_ = + % multipar := boundingbox multipar ; + % enddef ; + + % first loop + + ii := 0 ; nn := NOfTextAreas+1 ; nofmultipars := 0 ; + + if enable_multi_par_fallback and (nxy[fpos]=RealPageNumber) + and (nxy[tpos]=RealPageNumber) and not (InsideSomeTextArea(lxy[fpos]) and InsideSomeTextArea(rxy[tpos])) : + + % fallback + + % multipar := + % llxy[fpos] -- + % lrxy[tpos] -- + % urxy[tpos] -- + % ulxy[fpos] -- cycle ; + % + % save_multipar (1,1,multipar) ; + + % we need to take the boundingbox because there can be + % more lines and we want a proper rectange + + multipar := + ulxy[fpos] -- + urxy[tpos] -- + lrxy[fpos] -- + llxy[tpos] -- cycle ; + + save_multipar (1,1,boundingbox(multipar)) ; + + else : + + % normal + + for i=1 upto NOfTextAreas : + + TopSkipCorrection := 0 ; + + multipar := _pmp_set_multipar_(i) ; + + % watch how we compensate for negative indentation + + if (nxy[fpos]=RealPageNumber) and (InsideTextArea(i,par_start_pos)) : + + % first one in chain + + ii := i ; + + if (nxy[tpos]=RealPageNumber) and (InsideTextArea(i,par_stop_pos)) : + + % in same area + + nn := i ; + + if compensate_multi_par_topskip and (round(LineHeight-ph-pd)=0) : + + TopSkipCorrection := TopSkip - StrutHeight ; + + if round(ypart ulxy[fpos] + TopSkipCorrection) = round(ypart ulcorner TextAreas[i]) : + ulxy[fpos] := ulxy[fpos] shifted (0,TopSkipCorrection) ; + urxy[fpos] := urxy[fpos] shifted (0,TopSkipCorrection) ; + else : + TopSkipCorrection := 0 ; + fi ; + + fi ; + + if ypart llxy[fpos] = ypart llxy[tpos] : + + multipar := + llxy[fpos] -- + lrxy[tpos] -- + _pmp_snapped_multi_pos_(urxy[tpos]) -- + _pmp_snapped_multi_pos_(ulxy[fpos]) -- + cycle ; + + save_multipar (i,1,multipar) ; + + elseif (ypart llxy[fpos] = ypart ulxy[tpos]) and (xpart llxy[tpos] < xpart llxy[fpos]) : + + % two loners + + multipar := if obey_multi_par_hang : + + _pmp_right_bottom_hang_(true) -- + _pmp_right_top_hang_(true) -- + _pmp_snapped_multi_pos_(urxy[fpos]) -- + lrxy[fpos] -- + + else : + + llxy[fpos] -- + (xpart urcorner multipar, ypart llxy[fpos]) -- + (xpart urcorner multipar, ypart ulxy[fpos]) -- + _pmp_snapped_multi_pos_(ulxy[fpos]) -- + + fi cycle ; + + save_multipar (i,1,multipar) ; + + multipar := _pmp_set_multipar_(i) ; + + multipar := if obey_multi_par_hang : + + _pmp_left_bottom_hang_(true) -- + llxy[tpos] -- + _pmp_snapped_multi_pos_(ulxy[tpos]) -- + _pmp_left_top_hang_(true) -- + + else : + + (xpart llcorner multipar, ypart llxy[tpos]) -- + llxy[tpos] -- + _pmp_snapped_multi_pos_(ulxy[tpos]) -- + (xpart llcorner multipar, ypart ulxy[tpos]) -- + + fi cycle ; + + save_multipar (i,1,multipar) ; + + else : + + multipar := if obey_multi_par_hang : + + _pmp_left_bottom_hang_(true) -- + llxy[tpos] -- + _pmp_snapped_multi_pos_(ulxy[tpos]) -- + _pmp_right_bottom_hang_(true) -- + _pmp_right_top_hang_(true) -- + _pmp_snapped_multi_pos_(urxy[fpos]) -- + lrxy[fpos] -- + _pmp_left_top_hang_(true) -- + + else : + + (xpart llcorner multipar, ypart llxy[tpos]) -- + llxy[tpos] -- + _pmp_snapped_multi_pos_(ulxy[tpos]) -- + (xpart lrcorner multipar, ypart ulxy[tpos]) -- + (xpart urcorner multipar, ypart urxy[fpos]) -- + _pmp_snapped_multi_pos_(urxy[fpos]) -- + lrxy[fpos] -- + (xpart ulcorner multipar, ypart lrxy[fpos]) -- + + fi cycle ; + + save_multipar (i,1,multipar) ; + + fi ; + + else : + + multipar := if obey_multi_par_hang : + + _pmp_left_bottom_hang_(false) -- + _pmp_right_bottom_hang_(false) -- + _pmp_right_top_hang_(false) -- + _pmp_snapped_multi_pos_(urxy[fpos]) -- + lrxy[fpos] -- + _pmp_left_top_hang_(false) -- + + else : + + llcorner multipar -- + lrcorner multipar -- + (xpart urcorner multipar, ypart urxy[fpos]) -- + _pmp_snapped_multi_pos_(urxy[fpos]) -- + lrxy[fpos] -- + (xpart ulcorner multipar, ypart lrxy[fpos]) -- + + fi cycle ; + + save_multipar (i,1,multipar) ; + + fi ; + + elseif (nxy[tpos]=RealPageNumber) and (InsideTextArea(i,par_stop_pos)) : + + % last one in chain + + nn := i ; + + if obey_multi_par_hang and obey_multi_par_more : + + multipar := + _pmp_x_left_top_hang_(i,true) -- + _pmp_x_right_top_hang_(i,true) -- + _pmp_x_right_bottom_hang_(i,true) -- + _pmp_snapped_multi_pos_(ulxy[tpos]) -- + llxy[tpos] -- + _pmp_x_left_bottom_hang_(i,true) -- + cycle ; + + else : + + multipar := + ulcorner multipar -- + urcorner multipar -- + (xpart lrcorner multipar, ypart urxy[tpos]) -- + _pmp_snapped_multi_pos_(ulxy[tpos]) -- + llxy[tpos] -- + (xpart llcorner multipar, ypart llxy[tpos]) -- + cycle ; + + fi ; + + save_multipar (i,3,multipar) ; + + elseif multi_column_first_page_hack and ((nxy[fpos]=RealPageNumber) and (nxy[tpos]>=RealPageNumber) and (NOfTextColumns>1)) : + + save_multipar (i,2,multipar) ; + + else : + % handled later + fi ; + + endfor ; + + + % second loop + + if force_multi_par_chain or (ii > 1) : + + for i=ii+1 upto nn-1 : + + % rest of chain / todo : hang + + % hm, the second+ column in column sets now gets lost in a NOfTextColumns + + if (not check_multi_par_chain) or ((nxy[fpos]<RealPageNumber) and (nxy[tpos]>RealPageNumber)) : + + multipar := _pmp_set_multipar_(i) ; + + if obey_multi_par_hang and obey_multi_par_more : + + multipar := + _pmp_x_left_top_hang_(i,false) -- + _pmp_x_right_top_hang_(i,false) -- + _pmp_x_right_bottom_hang_(i,false) -- + _pmp_x_left_bottom_hang_(i,false) -- + cycle ; + + fi ; + + save_multipar(i,2,multipar) ; + + fi ; + + endfor ; + + fi ; + + % end of normal/fallback + + fi ; + + if span_multi_column_pars : + endgroup ; + fi ; + + % potential safeguard: + + % for i=1 upto nofmultipars : + % if length p <= 4 : + % multipars[i] := boundingbox(multipars[i]) ; + % fi ; + % end ; + + % quick hack for gb: + + one_piece_multi_par := (nofmultipars=1) and (pn=tn) ; + +enddef ; + +def boxgridoptions = withcolor .8red enddef ; +def boxlineoptions = withcolor .8blue enddef ; +def boxfilloptions = withcolor .8white enddef ; + +numeric boxgridtype ; boxgridtype := 0 ; +numeric boxlinetype ; boxlinetype := 1 ; +numeric boxfilltype ; boxfilltype := 1 ; +numeric boxdashtype ; boxdashtype := 0 ; +pair boxgriddirection ; boxgriddirection := up ; +numeric boxgridwidth ; boxgridwidth := 1pt ; +numeric boxlinewidth ; boxlinewidth := 1pt ; +numeric boxlineradius ; boxlineradius := 0pt ; +numeric boxfilloffset ; boxfilloffset := 0pt ; +numeric boxgriddistance ; boxgriddistance := .5cm ; +numeric boxgridshift ; boxgridshift := 0pt ; + +def draw_box = + draw pxy boxlineoptions withpen pencircle scaled boxlinewidth ; + draw lxy -- rxy boxlineoptions withpen pencircle scaled boxgridwidth ; +enddef ; + +def draw_par = % 1 2 3 11 12 + do_draw_par(pxy) ; do_draw_par(txy) ; do_draw_par(bxy) ; + for i = pxy, txy, bxy : + if boxgridtype = 1 : + boxgriddirection := origin ; + draw baseline_grid (i,boxgriddirection,true ) boxgridoptions ; + elseif boxgridtype = 2 : + boxgriddirection := origin ; + draw baseline_grid (i,boxgriddirection,false) boxgridoptions ; + elseif boxgridtype = 3 : + boxgriddirection := origin ; + draw baseline_grid (i,boxgriddirection,true ) boxgridoptions ; + draw baseline_grid (i,boxgriddirection,true ) shifted (0,ExHeight) boxgridoptions ; + elseif boxgridtype = 4 : + boxgriddirection := origin ; + draw baseline_grid (i,boxgriddirection,true ) shifted (0,ExHeight/2) boxgridoptions ; + elseif boxgridtype = 11 : + draw graphic_grid(i,boxgriddistance,boxgriddistance,boxgriddistance/2,boxgriddistance/2) ; + elseif boxgridtype = 12 : + draw graphic_grid(i,boxgriddistance,boxgriddistance,0,0) ; + fi ; + endfor ; +enddef ; + +def do_show_par (expr p, r, c) = + if length(p) > 2 : + for i=0 upto length(p) : + draw fullcircle scaled r shifted point i of p withpen pencircle scaled .5pt withcolor c ; + endfor ; + fi ; + draw p withpen pencircle scaled .5pt withcolor c ; +enddef ; + +def show_par = + if length(mxy) > 2 : + draw mxy dashed evenly withpen pencircle scaled .5pt withcolor .5white ; + fi ; + do_show_par(txy, 4pt, .5green) ; + do_show_par(bxy, 6pt, .5blue ) ; + do_show_par(pxy, 8pt, .5red ) ; + draw pref withpen pencircle scaled 2pt ; +enddef ; + +def sort_multi_pars = + if nofmultipars>1 : + begingroup ; + save _p_, _n_ ; path _p_ ; numeric _n_ ; + for i := 1 upto nofmultipars : + if multilocs[i] = 3 : + _p_ := multipars[nofmultipars] ; + multipars[nofmultipars] := multipars[i] ; + multipars[i] := _p_ ; + _n_ := multirefs[nofmultipars] ; + multirefs[nofmultipars] := multirefs[i] ; + multirefs[i] := _n_ ; + _n_ := multilocs[nofmultipars] ; + multilocs[nofmultipars] := multilocs[i] ; + multilocs[i] := _n_ ; + fi ; + endfor ; + endgroup ; + fi ; +enddef ; + +def collapse_multi_pars = + if nofmultipars>1 : + begingroup ; + save _nofmultipars_ ; numeric _nofmultipars_ ; + _nofmultipars_ := 1 ; + sort_multi_pars ; % block not in order: 1, 3, 2.... + for i:=1 upto nofmultipars-1 : + if (round(xpart(llcorner multipars[i]-llcorner multipars[i+1]))=0) and + (round(xpart(lrcorner multipars[i]-lrcorner multipars[i+1]))=0) : + multilocs[_nofmultipars_] := multilocs[i+1] ; + multirefs[_nofmultipars_] := multirefs[i+1] ; + multipars[_nofmultipars_] := + ulcorner multipars[_nofmultipars_] -- + urcorner multipars[_nofmultipars_] -- + lrcorner multipars[i+1] -- + llcorner multipars[i+1] -- cycle ; + else : + _nofmultipars_ := _nofmultipars_ + 1 ; + multipars[_nofmultipars_] := multipars[i+1] ; + multilocs[_nofmultipars_] := multilocs[i+1] ; + multirefs[_nofmultipars_] := multirefs[i+1] ; + fi ; + endfor ; + nofmultipars := _nofmultipars_ ; + endgroup ; + fi ; +enddef ; + +def draw_multi_pars = + for i=1 upto nofmultipars : + do_draw_par(multipars[i]) ; + if boxgridtype= 1 : + draw baseline_grid (multipars[i],if multilocs[i]=1: down else: up fi,true) ; + elseif boxgridtype= 2 : + draw baseline_grid (multipars[i],if multilocs[i]=1: down else: up fi,false) ; + elseif boxgridtype= 3 : + draw baseline_grid (multipars[i],if multilocs[i]=1: down else: up fi,true) ; + draw baseline_grid (multipars[i],if multilocs[i]=1: down else: up fi,true) shifted (0,ExHeight) ; + elseif boxgridtype= 4 : + draw baseline_grid (multipars[i],if multilocs[i]=1: down else: up fi,true) shifted (0,ExHeight/2) ; + elseif boxgridtype=11 : + draw graphic_grid(multipars[i],boxgriddistance,boxgriddistance,boxgriddistance/2,boxgriddistance/2) ; + elseif boxgridtype=12 : + draw graphic_grid(multipars[i],boxgriddistance,boxgriddistance,0,0) ; + fi ; + endfor ; +enddef ; + +def show_multi_pars = + for i=1 upto nofmultipars : + do_show_par(multipars[i], 6pt, .5blue) ; + endfor ; +enddef ; + +vardef do_draw_par (expr p) = + if (length p>2) and (bbwidth(p)>1) and (bbheight(p)>1) : + save pp ; path pp ; + if (boxlineradius>0) and (boxlinetype=2) : + pp := p cornered boxlineradius ; + else : + pp := p ; + fi ; + if boxfilltype>0 : + if boxfilloffset>0 : + % temporary hack + begingroup ; + interim linejoin := mitered ; + filldraw pp boxfilloptions withpen pencircle scaled (2*boxfilloffset) ; + endgroup ; + else : + fill pp boxfilloptions ; + fi ; + fi ; + if boxlinetype>0 : + draw pp boxlineoptions withpen pencircle scaled boxlinewidth ; + fi ; + fi ; +enddef ; + +vardef baseline_grid (expr pxy, pdir, at_baseline) = + save width ; width := bbwidth(pxy) ; + save height ; height := bbheight(pxy) ; + if (par_line_height>0) and (height>1) and (width>1) and (boxgridwidth>0) : + save i, grid, bb ; picture grid ; pair start ; path bb ; + def _do_ (expr start) = + % 1 = normal, 2 = with background (i.e. no shine-through) + if boxdashtype = 2 : + draw start -- start shifted (width,0) + withpen pencircle scaled boxgridwidth + boxfilloptions ; + fi ; + draw start -- start shifted (width,0) + if boxdashtype > 0 : + dashed evenly + fi + withpen pencircle scaled boxgridwidth + boxgridoptions ; + enddef ; + grid := image ( % fails with inlinespace + if pdir=up : + for i = if at_baseline : par_strut_depth else : 0 fi step par_line_height until max(height,par_line_height) : + _do_ (llcorner pxy shifted (0,+i)) ; + endfor ; + else : + for i = if at_baseline : par_strut_height else : 0 fi step par_line_height until height : + _do_ (ulcorner pxy shifted (0,-i)) ; + endfor ; + fi ; + ) ; + clip grid to pxy ; + bb := boundingbox grid ; + grid := grid shifted (0,boxgridshift) ; + setbounds grid to bb ; + grid + else : + nullpicture + fi +enddef ; + +vardef graphic_grid (expr pxy, dx, dy, x, y) = + if (bbheight(pxy)>dy) and (bbwidth(pxy)>dx) and (boxgridwidth>0) : + save grid ; picture grid ; + grid := image ( + for i = xpart llcorner pxy step dx until xpart lrcorner pxy : + draw (i,ypart llcorner pxy) -- (i,ypart ulcorner pxy) withpen pencircle scaled boxgridwidth ; + endfor ; + for i = ypart llcorner pxy step dy until ypart ulcorner pxy : + draw (xpart llcorner pxy,i) -- (xpart lrcorner pxy,i) withpen pencircle scaled boxgridwidth ; + endfor + ) shifted (x,y) ; + clip grid to pxy ; + grid + else : + nullpicture + fi +enddef ; + +def anchor_box (expr n,x,y,w,h,d) = + currentpicture := currentpicture shifted (-x,-y) ; +enddef ; + +let draw_area = draw_box ; +let anchor_area = anchor_box ; +let anchor_par = anchor_box ; + +numeric sync_n[], sync_p[][], sync_w[][], sync_h[][], sync_d[][], sync_t[][] ; +pair sync_xy[][] ; color sync_c[][] ; + +def ResetSyncTasks = + path SyncPaths[] ; numeric SyncTasks[], NOfSyncPaths, CurrentSyncClass ; + NOfSyncPaths := CurrentSyncClass := 0 ; + if unknown SyncLeftOffset : numeric SyncLeftOffset ; SyncLeftOffset := 0 ; fi ; + if unknown SyncWidth : numeric SyncWidth ; SyncWidth := 0 ; fi ; + if unknown SyncThreshold : numeric SyncThreshold ; SyncThreshold := LineHeight ; fi ; + if unknown SyncColor : color SyncColor ; SyncColor := .5white ; fi ; + if (SyncLeftOffset = 0) and (SyncWidth = 0) : + SyncWidth := if known TextWidth : TextWidth else : -1cm fi ; + fi ; +enddef ; + +ResetSyncTasks ; + +vardef SyncBox(expr n, i, leftoffset, width, topoffset, bottomoffset) = + save o ; pair o ; o := (xpart llcorner PlainTextArea,ypart sync_xy[n][i]) ; + o shifted (leftoffset,sync_h[n][i]+topoffset) -- + o shifted (width+leftoffset,sync_h[n][i]+topoffset) -- + o shifted (width+leftoffset,bottomoffset) -- + o shifted (leftoffset,bottomoffset) -- cycle +enddef ; + +def SetSyncColor(expr n, i, c) = + sync_c[n][i] := c ; +enddef ; + +def SetSyncThreshold(expr n, i, th) = + sync_th[n][i] := th ; +enddef ; + +vardef TheSyncColor(expr n, i) = + if known sync_c[n][i] : sync_c[n][i] else : SyncColor fi +enddef ; + +vardef TheSyncThreshold(expr n, i) = + if known sync_th[n][i] : sync_th[n][i] else : SyncThreshold fi +enddef ; + +vardef PrepareSyncTasks(expr n, collapse, extendtop, prestartnext) = + ResetSyncTasks ; + if known sync_n[n] : + CurrentSyncClass := n ; + save ok, l, d ; boolean ok ; ok := false ; NOfSyncPaths := l := 0 ; + for i=1 upto sync_n[n] : + if RealPageNumber > sync_p[n][i] : + l := i ; + elseif RealPageNumber = sync_p[n][i] : + NOfSyncPaths := NOfSyncPaths + 1 ; + if not ok : + if i>1 : + if sync_t[n][i-1] = sync_t[n][i] : + SyncPaths[NOfSyncPaths] := SyncBox(n, i, SyncLeftOffset, SyncWidth, PaperHeight, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i ; + else : + SyncPaths[NOfSyncPaths] := SyncBox(n, i-1, SyncLeftOffset, SyncWidth, PaperHeight, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i-1 ; + NOfSyncPaths := NOfSyncPaths + 1 ; + SyncPaths[NOfSyncPaths] := SyncBox(n, i, SyncLeftOffset, SyncWidth, 0, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i ; + fi ; + else : + SyncPaths[NOfSyncPaths] := SyncBox(n, i, SyncLeftOffset, SyncWidth, 0, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i ; + fi ; + else : + SyncPaths[NOfSyncPaths] := SyncBox(n, i, SyncLeftOffset, SyncWidth, 0, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := i ; + fi ; + ok := true ; + fi ; + endfor ; + if (NOfSyncPaths = 0) and (l > 0) : + NOfSyncPaths := 1 ; + SyncPaths[NOfSyncPaths] := SyncBox(n, l, SyncLeftOffset, SyncWidth, PaperHeight, -PaperHeight) ; + SyncTasks[NOfSyncPaths] := l ; + fi ; + if NOfSyncPaths > 0 : + for i = 1 upto NOfSyncPaths-1 : + SyncPaths[i] := topboundary SyncPaths[i] -- reverse topboundary SyncPaths[i+1] -- cycle ; + endfor ; + if unknown SyncThresholdMethod : + numeric SyncThresholdMethod ; SyncThresholdMethod := 2 ; + fi ; + if extendtop : + if SyncThresholdMethod = 1 : + if NOfSyncPaths>1 : + d := ypart (ulcorner PlainTextArea - sync_xy[n][SyncTasks[2]]) ; + if (SyncTasks[2]>1) and (d > 0pt) and (d <= TheSyncThreshold(n,sync_t[n][SyncTasks[2]])) and (sync_p[n][SyncTasks[2]] = RealPageNumber) : + SyncPaths[2] := SyncPaths[2] topenlarged PaperHeight ; + fi ; + fi ; + else : + for i = 1 upto NOfSyncPaths : + d := ypart (ulcorner PlainTextArea - sync_xy[n][SyncTasks[i]]) ; + if (d > 0) and (d <= TheSyncThreshold(n,sync_t[n][SyncTasks[i]])) and (sync_p[n][SyncTasks[i]] = RealPageNumber) : + SyncPaths[i] := SyncPaths[i] topenlarged PaperHeight ; + fi ; + endfor ; + fi ; + fi ; + if prestartnext : + if NOfSyncPaths>1 : + if SyncTasks[NOfSyncPaths] < sync_n[n] : % there is a next one + d := ypart (ulcorner PlainTextArea - sync_xy[n][SyncTasks[NOfSyncPaths]+1]) ; + if (d > 0) and (d <= TheSyncThreshold(n, sync_t[n][SyncTasks[i]])) and (sync_p[n][SyncTasks[NOfSyncPaths]+1] = RealPageNumber+1) : + SyncPaths[NOfSyncPaths+1] := + (xpart ulcorner SyncPaths[NOfSyncPaths],ypart llcorner PlainTextArea) -- + (xpart urcorner SyncPaths[NOfSyncPaths],ypart llcorner PlainTextArea) -- + lrcorner SyncPaths[NOfSyncPaths] -- + llcorner SyncPaths[NOfSyncPaths] -- cycle ; + SyncTasks[NOfSyncPaths+1] := SyncTasks[NOfSyncPaths]+1 ; + NOfSyncPaths := NOfSyncPaths + 1 ; + fi ; + fi ; + fi ; + else : + if NOfSyncPaths>1 : + d := ypart (sync_xy[n][SyncTasks[NOfSyncPaths]] - llcorner PlainTextArea) ; + if (d < TheSyncThreshold(n, SyncTasks[NOfSyncPaths])) : + NOfSyncPaths := NOfSyncPaths - 1 ; + SyncPaths[NOfSyncPaths] := SyncPaths[NOfSyncPaths] bottomenlarged PaperHeight ; + fi ; + fi ; + fi ; + if (NOfSyncPaths>1) and collapse : + save j ; numeric j ; j := 1 ; + for i = 2 upto NOfSyncPaths : + if sync_t[n][SyncTasks[i]] = sync_t[n][SyncTasks[j]] : + SyncPaths[j] := boundingbox image (draw SyncPaths[i] ; draw SyncPaths[j] ; ) ; + SyncTasks[j] := SyncTasks[i] ; + else : + j := j + 1 ; + SyncPaths[j] := SyncPaths[i] ; + SyncTasks[j] := SyncTasks[i] ; + fi ; + endfor ; + NOfSyncPaths := j ; + fi ; + fi ; + fi ; +enddef ; + +def SyncTask(expr n) = + if known SyncTasks[n] : SyncTasks[n] else : 0 fi +enddef ; + +def FlushSyncTasks = + for i = 1 upto NOfSyncPaths : + ProcessSyncTask(SyncPaths[i], TheSyncColor(CurrentSyncClass,sync_t[CurrentSyncClass][SyncTasks[i]])) ; + endfor ; +enddef ; + +def ProcessSyncTask(expr p, c) = + fill p withcolor c ; +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-crop.mpiv b/Master/texmf-dist/metapost/context/base/mp-crop.mpiv new file mode 100644 index 00000000000..260823e687f --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-crop.mpiv @@ -0,0 +1,194 @@ +%D \module +%D [ file=mp-crop.mp, +%D version=2011.06.23, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=Cropmarks, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +if known context_crop : endinput ; fi ; + +boolean context_crop ; context_crop := true ; + +vardef crop_marks_lines (expr box, length, offset, nx, ny) = + save p ; picture p ; save w, h, x, y ; numeric w, h, x, y ; + p := image ( + x := if nx = 0 : 1 else : nx - 1 fi ; + y := if ny = 0 : 1 else : ny - 1 fi ; + w := bbwidth (box) / x ; + h := bbheight(box) / y ; + for i=0 upto y : + draw ((llcorner box) -- (llcorner box) shifted (-length,0)) shifted (-offset,i*h) ; + draw ((lrcorner box) -- (lrcorner box) shifted ( length,0)) shifted ( offset,i*h) ; + endfor ; + for i=0 upto x : + draw ((llcorner box) -- (llcorner box) shifted (0,-length)) shifted (i*w,-offset) ; + draw ((ulcorner box) -- (ulcorner box) shifted (0, length)) shifted (i*w, offset) ; + endfor ; + ) ; + setbounds p to box ; + p +enddef ; + +vardef crop_marks_cmyk = + save p ; picture p ; p := image ( + fill ulcircle scaled 12.5 withcolor (1,0,0,0) ; + fill urcircle scaled 12.5 withcolor (0,1,0,0) ; + fill lrcircle scaled 12.5 withcolor (0,0,1,0) ; + fill llcircle scaled 12.5 withcolor (0,0,0,1) ; + draw (-10,0) -- (10,0) ; + draw (0,-10) -- (0,10) ; + draw fullcircle scaled 12.5 ; + ) ; + setbounds p to fullsquare scaled 20 ; + p +enddef ; + +vardef crop_marks_gray = + save p ; picture p ; p := image ( + fill ulcircle scaled 12.5 withcolor (0.00) ; + fill urcircle scaled 12.5 withcolor (0.25) ; + fill lrcircle scaled 12.5 withcolor (0.50) ; + fill llcircle scaled 12.5 withcolor (0.75) ; + draw (-10,0) -- (10,0) ; + draw (0,-10) -- (0,10) ; + draw (-6,0) -- (6,0) withcolor white ; + draw (0,-6) -- (0,6) withcolor white ; + draw fullcircle scaled 12.5 ; + ) ; + setbounds p to fullsquare scaled 20 ; + p +enddef ; + +vardef crop_marks_cmykrgb = + save p ; picture p ; p := image ( + fill ulcircle scaled 15 withcolor (1,0,0) ; + fill urcircle scaled 15 withcolor (0,1,0) ; + fill lrcircle scaled 15 withcolor (0,0,1) ; + fill llcircle scaled 15 withcolor (.5,.5,.5) ; + fill ulcircle scaled 10 withcolor (1,0,0,0) ; + fill urcircle scaled 10 withcolor (0,1,0,0) ; + fill lrcircle scaled 10 withcolor (0,0,1,0) ; + fill llcircle scaled 10 withcolor (0,0,0,1) ; + draw (-10,0) -- (10,0) ; + draw (0,-10) -- (0,10) ; + draw fullcircle scaled 10 ; + draw fullcircle scaled 15 ; + ) ; + setbounds p to fullsquare scaled 20 ; + p +enddef ; + +vardef crop_color(expr c, h, w, dx, dy, ts) = + image ( + save p ; path p ; + for i=1 upto 6 : + p := fullsquare + xscaled w + yscaled h + shifted (dx,dy-i*h) ; + fill p + withcolor (crop_colors[i]*c) ; + draw textext("\format{'@0.2f'," & decimal crop_colors[i] & "}") + scaled ts + shifted center p withcolor white ; + endfor ; + ) +enddef ; + +vardef crop_gray(expr c, h, w, dx, dy, ts) = + image ( + save p ; path p ; + for i=.05 step .05 until 1 : + p := fullsquare + xscaled w + yscaled h + shifted (20*(i-1)*w+dx,dy) ; + fill p + withcolor (i*c) ; + draw textext("\format{'@0.2f'," & decimal i & "}") + scaled ts + shifted center p withcolor white ; + endfor ; + ) +enddef ; + +% draw crop_marks_cmyk shifted llcorner more ; +% draw crop_marks_cmyk shifted lrcorner more ; +% draw crop_marks_cmyk shifted ulcorner more ; +% draw crop_marks_cmyk shifted urcorner more ; + +def page_marks_add_color(expr width, height, length, offset) = % todo: namespace + + path page ; page := fullsquare xscaled width yscaled height ; + path more ; more := page enlarged (offset+length/2,offset+length/2) ; + + numeric crop_colors[] ; + crop_colors[1] := 1 ; + crop_colors[2] := 0.95 ; + crop_colors[3] := 0.75 ; + crop_colors[4] := 0.50 ; + crop_colors[5] := 0.25 ; + crop_colors[6] := 0.05 ; + + numeric h ; h := height / 20 ; + numeric w ; w := width / 20 ; + numeric d ; d := offset + length/2 ; + + draw crop_color((1,0,0,0),h,length,xpart ulcorner page - d, 10h,length/20) ; + draw crop_color((0,1,0,0),h,length,xpart ulcorner page - d,3.5h,length/20) ; + draw crop_color((0,0,1,0),h,length,xpart ulcorner page - d, -3h,length/20) ; + + draw crop_color((0,1,1,0),h,length,xpart urcorner page + d, 10h,length/20) ; + draw crop_color((1,0,1,0),h,length,xpart urcorner page + d,3.5h,length/20) ; + draw crop_color((1,1,0,0),h,length,xpart urcorner page + d, -3h,length/20) ; + + draw crop_gray((0,0,0,1),length, w,-xpart llcorner page,-ypart llcorner page + d ,w/20) ; + draw crop_gray((1,0,0,0),length/3,w,-xpart llcorner page, ypart llcorner page - d + 1length/3,w/20) ; + draw crop_gray((0,1,0,0),length/3,w,-xpart llcorner page, ypart llcorner page - d - 0length/3,w/20) ; + draw crop_gray((0,0,1,0),length/3,w,-xpart llcorner page, ypart llcorner page - d - 1length/3,w/20) ; + + setbounds currentpicture to page ; + +enddef ; + +def page_marks_add_marking(expr width, height, length, offset) = % todo: namespace + + path page ; page := fullsquare xscaled width yscaled height ; + path more ; more := page enlarged (offset+length/2,offset+length/2) ; + + draw crop_marks_gray shifted center(topboundary more) shifted (0, offset+length); + draw crop_marks_cmyk shifted center(bottomboundary more) shifted (0,-offset-length); + + setbounds currentpicture to page ; + +enddef ; + +def page_marks_add_lines(expr width, height, length, offset, nx, ny) = % todo: namespace + + path page ; page := fullsquare xscaled width yscaled height ; + path more ; more := page enlarged (offset+length/2,offset+length/2) ; + + draw crop_marks_lines(page,length,offset,nx,ny) ; + + setbounds currentpicture to page ; + +enddef ; + +def page_marks_add_number(expr width, height, length, offset, n) = % todo: namespace + + path page ; page := fullsquare xscaled width yscaled height ; + path more ; more := page enlarged (offset+length/2,offset+length/2) ; + + for s=llcorner more, lrcorner more, ulcorner more, urcorner more : + draw textext(decimal n) shifted s ; + endfor ; + + setbounds currentpicture to page ; + +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-figs.mp b/Master/texmf-dist/metapost/context/base/mp-figs.mpii index da5fa0d1691..aecdc07e76b 100644 --- a/Master/texmf-dist/metapost/context/base/mp-figs.mp +++ b/Master/texmf-dist/metapost/context/base/mp-figs.mpii @@ -1,5 +1,5 @@ %D \module -%D [ file=mp-tool.mp, +%D [ file=mp-figs.mp, %D version=2003.01.15, %D title=\CONTEXT\ \METAPOST\ graphics, %D subtitle=figures, @@ -11,40 +11,37 @@ %C therefore copyrighted by \PRAGMA. See licen-en.pdf for %C details. -if unknown context_tool : input mp-tool ; fi ; -if known context_figs : endinput ; fi ; +if known context_figs : endinput ; fi ; boolean context_figs ; context_figs := true ; % todo: check defined def registerfigure(expr name,width,height) = - begingroup ; - save s ; string s ; s := cleanstring(name) ; - scantokens( s & "_width := " & decimal(width)) ; - scantokens( s & "_height := " & decimal(height)) ; - endgroup ; + begingroup ; + save s ; string s ; s := cleanstring(name) ; + scantokens( s & "_width := " & decimal(width )) ; + scantokens( s & "_height := " & decimal(height)) ; + endgroup ; enddef ; vardef figuresize(expr name) = - save s ; string s ; s := cleanstring(name) ; - save p ; pair p ; - scantokens( "p := " & "(" & s & "_width" & "," & s & "_height" & ")" ) ; - p + save s, p ; string s ; pair p ; + s := cleanstring(name) ; + scantokens( "p := " & "(" & s & "_width" & "," & s & "_height" & ")" ) ; + p enddef ; vardef figurewidth(expr name) = - xpart figuresize(name) + xpart figuresize(name) enddef ; vardef figureheight(expr name) = - ypart figuresize(name) + ypart figuresize(name) enddef ; -def figuredimensions = figuresize enddef ; % for old times sake +let figuredimensions = figuresize ; % for old times sake def naturalfigure(expr name) = externalfigure name xyscaled(figuresize(name)) enddef ; - -endinput diff --git a/Master/texmf-dist/metapost/context/base/mp-figs.mpiv b/Master/texmf-dist/metapost/context/base/mp-figs.mpiv new file mode 100644 index 00000000000..aecdc07e76b --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-figs.mpiv @@ -0,0 +1,47 @@ +%D \module +%D [ file=mp-figs.mp, +%D version=2003.01.15, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=figures, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +if known context_figs : endinput ; fi ; + +boolean context_figs ; context_figs := true ; + +% todo: check defined + +def registerfigure(expr name,width,height) = + begingroup ; + save s ; string s ; s := cleanstring(name) ; + scantokens( s & "_width := " & decimal(width )) ; + scantokens( s & "_height := " & decimal(height)) ; + endgroup ; +enddef ; + +vardef figuresize(expr name) = + save s, p ; string s ; pair p ; + s := cleanstring(name) ; + scantokens( "p := " & "(" & s & "_width" & "," & s & "_height" & ")" ) ; + p +enddef ; + +vardef figurewidth(expr name) = + xpart figuresize(name) +enddef ; + +vardef figureheight(expr name) = + ypart figuresize(name) +enddef ; + +let figuredimensions = figuresize ; % for old times sake + +def naturalfigure(expr name) = + externalfigure name xyscaled(figuresize(name)) +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-fobg.mp b/Master/texmf-dist/metapost/context/base/mp-fobg.mp index 712efe751aa..f8b709572bb 100644 --- a/Master/texmf-dist/metapost/context/base/mp-fobg.mp +++ b/Master/texmf-dist/metapost/context/base/mp-fobg.mp @@ -11,8 +11,7 @@ %C therefore copyrighted by \PRAGMA. See licen-en.pdf for %C details. -if unknown context_tool : input mp-tool ; fi ; -if known context_fobg : endinput ; fi ; +if known context_fobg : endinput ; fi ; boolean context_fobg ; context_fobg := true ; diff --git a/Master/texmf-dist/metapost/context/base/mp-form.mp b/Master/texmf-dist/metapost/context/base/mp-form.mpii index 60ea4cac214..d1dac32db23 100644 --- a/Master/texmf-dist/metapost/context/base/mp-form.mp +++ b/Master/texmf-dist/metapost/context/base/mp-form.mpii @@ -15,31 +15,15 @@ boolean mant_font ; mant_font := true ; % signals graph not to load form -if known mplib : - boolean fmt_loaded ; fmt_loaded := true ; - expandafter endinput -fi ; - -if known fmt_loaded : expandafter endinput fi ; - boolean fmt_loaded ; fmt_loaded := true ; +if known context_form : endinput ; fi ; -if unknown fmt_precision : - numeric fmt_precision ; fmt_precision := 3 ; -fi ; - -if unknown fmt_initialize : - boolean fmt_initialize ; fmt_initialize := true ; -fi ; - -if unknown fmt_separator : - string fmt_separator ; fmt_separator := "%" ; -fi ; - -if unknown fmt_zerocheck : - boolean fmt_zerocheck ; fmt_zerocheck := false ; -fi ; +boolean context_form ; context_form := true ; -boolean fmt_metapost ; fmt_metapost := true ; % == use old method +if unknown fmt_metapost : boolean fmt_metapost ; fmt_metapost := true ; fi ; % == use old method +if unknown fmt_precision : numeric fmt_precision ; fmt_precision := 3 ; fi ; +if unknown fmt_initialize : boolean fmt_initialize ; fmt_initialize := true ; fi ; +if unknown fmt_separator : string fmt_separator ; fmt_separator := "%" ; fi ; +if unknown fmt_zerocheck : boolean fmt_zerocheck ; fmt_zerocheck := false ; fi ; % As said, all clever code is from John, the more stupid % extensions are mine. The following string variables are diff --git a/Master/texmf-dist/metapost/context/base/mp-form.mpiv b/Master/texmf-dist/metapost/context/base/mp-form.mpiv new file mode 100644 index 00000000000..56df0bd63bf --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-form.mpiv @@ -0,0 +1,30 @@ +%D \module +%D [ file=mp-form.mp, +%D version=2011.10.14, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=form support, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +% The graph package will be replaced by our own variant using +% MetaPost 2 features and textext. + +if known context_form : endinput ; fi ; + +boolean context_form ; context_form := true ; + +string Fmfont_ ; Fmfont_ := "crap" ; + +% The following function accept a number or string that can be +% converted to a number by \LUA. The first argument is a format +% where @ can be used instead of %. The number is typeset in math +% mode and @3e is converted into @.3e. + +vardef mfun_format_number(expr fmt, i) = + "\ctxlua{metapost.formatnumber('" & fmt & "'," & if string i : i else : decimal i fi & ")}" +enddef diff --git a/Master/texmf-dist/metapost/context/base/mp-func.mp b/Master/texmf-dist/metapost/context/base/mp-func.mp deleted file mode 100644 index d8646ef3bdd..00000000000 --- a/Master/texmf-dist/metapost/context/base/mp-func.mp +++ /dev/null @@ -1,59 +0,0 @@ -%D \module -%D [ file=mp-func.mp, -%D version=2001.12.29, -%D title=\CONTEXT\ \METAPOST\ graphics, -%D subtitle=function hacks, -%D author=Hans Hagen, -%D date=\currentdate, -%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] -%C -%C This module is part of the \CONTEXT\ macro||package and is -%C therefore copyrighted by \PRAGMA. See licen-en.pdf for -%C details. - -%D Under construction. - -if unknown context_tool : input mp-tool ; fi ; -if known context_func : endinput ; fi ; - -boolean context_func ; context_func := true ; - -string pathconnectors[] ; - -pathconnectors[0] := "," ; -pathconnectors[1] := "--" ; -pathconnectors[2] := ".." ; -pathconnectors[3] := "..." ; - -vardef function (expr f) (expr u, t, b, e, s) = save x ; numeric x ; - for xx := b step s until e : - hide (x := xx ;) if xx>b : scantokens(pathconnectors[f]) fi - (scantokens(u),scantokens(t)) - endfor -enddef ; - -def punkedfunction = function (1) enddef ; -def curvedfunction = function (2) enddef ; -def tightfunction = function (3) enddef ; - -vardef constructedpath (expr f) (text t) = - save ok ; boolean ok ; ok := false ; - for i=t : - if ok : scantokens(pathconnectors[f]) else : ok := true ; fi i - endfor -enddef ; - -def punkedpath = constructedpath (1) enddef ; -def curvedpath = constructedpath (2) enddef ; -def tightpath = constructedpath (3) enddef ; - -vardef constructedpairs (expr f) (text p) = - save i ; i := -1 ; - forever : exitif unknown p[incr(i)] ; - if i>0 : scantokens(pathconnectors[f]) fi p[i] - endfor -enddef ; - -def punkedpairs = constructedpairs (1) enddef ; -def curvedpairs = constructedpairs (2) enddef ; -def tightpairs = constructedpairs (3) enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-func.mpii b/Master/texmf-dist/metapost/context/base/mp-func.mpii new file mode 100644 index 00000000000..407d534e890 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-func.mpii @@ -0,0 +1,58 @@ +%D \module +%D [ file=mp-func.mp, +%D version=2001.12.29, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=function hacks, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +%D Under construction. + +if known context_func : endinput ; fi ; + +boolean context_func ; context_func := true ; + +string pathconnectors[] ; + +pathconnectors[0] := "," ; +pathconnectors[1] := "--" ; +pathconnectors[2] := ".." ; +pathconnectors[3] := "..." ; + +vardef function (expr f) (expr u, t, b, e, s) = save x ; numeric x ; + for xx := b step s until e : + hide (x := xx ;) if xx>b : scantokens(pathconnectors[f]) fi + (scantokens(u),scantokens(t)) + endfor +enddef ; + +def punkedfunction = function (1) enddef ; +def curvedfunction = function (2) enddef ; +def tightfunction = function (3) enddef ; + +vardef constructedpath (expr f) (text t) = + save ok ; boolean ok ; ok := false ; + for i=t : + if ok : scantokens(pathconnectors[f]) else : ok := true ; fi i + endfor +enddef ; + +def punkedpath = constructedpath (1) enddef ; +def curvedpath = constructedpath (2) enddef ; +def tightpath = constructedpath (3) enddef ; + +vardef constructedpairs (expr f) (text p) = + save i ; i := -1 ; + forever : exitif unknown p[incr(i)] ; + if i>0 : scantokens(pathconnectors[f]) fi p[i] + endfor +enddef ; + +def punkedpairs = constructedpairs (1) enddef ; +def curvedpairs = constructedpairs (2) enddef ; +def tightpairs = constructedpairs (3) enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-func.mpiv b/Master/texmf-dist/metapost/context/base/mp-func.mpiv new file mode 100644 index 00000000000..26037f48cb7 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-func.mpiv @@ -0,0 +1,78 @@ +%D \module +%D [ file=mp-func.mp, +%D version=2001.12.29, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=function hacks, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +%D Under construction. + +if known context_func : endinput ; fi ; + +boolean context_func ; context_func := true ; + +string mfun_pathconnectors[] ; + +mfun_pathconnectors[0] := "," ; +mfun_pathconnectors[1] := "--" ; +mfun_pathconnectors[2] := ".." ; +mfun_pathconnectors[3] := "..." ; + +def pathconnectors = mfun_pathconnectors enddef ; + +vardef mfun_function (expr f) (expr u, t, b, e, s) = + save x ; numeric x ; + for xx := b step s until e : + hide (x := xx ;) + if xx > b : + scantokens(mfun_pathconnectors[f]) + fi + (scantokens(u),scantokens(t)) + endfor +enddef ; + +def function = mfun_function enddef ; % let doesn't work here +def punkedfunction = mfun_function (1) enddef ; +def curvedfunction = mfun_function (2) enddef ; +def tightfunction = mfun_function (3) enddef ; + +vardef mfun_constructedpath (expr f) (text t) = + save ok ; boolean ok ; ok := false ; + for i=t : + if ok : + scantokens(mfun_pathconnectors[f]) + else : + ok := true ; + fi + i + endfor +enddef ; + +def constructedpath = mfun_constructedpath enddef ; % let doesn't work here +def punkedpath = mfun_constructedpath (1) enddef ; +def curvedpath = mfun_constructedpath (2) enddef ; +def tightpath = mfun_constructedpath (3) enddef ; + +vardef mfun_constructedpairs (expr f) (text p) = + save i ; i := -1 ; + forever : + exitif unknown p[incr(i)] ; + if i>0 : + scantokens(mfun_pathconnectors[f]) + fi + p[i] + endfor +enddef ; + +def constructedpairs = mfun_constructedpairs enddef ; % let doesn't work here +def punkedpairs = mfun_constructedpairs (1) enddef ; +def curvedpairs = mfun_constructedpairs (2) enddef ; +def tightpairs = mfun_constructedpairs (3) enddef ; + + diff --git a/Master/texmf-dist/metapost/context/base/mp-grid.mp b/Master/texmf-dist/metapost/context/base/mp-grid.mpii index c87df821cfa..c49fbeec297 100644 --- a/Master/texmf-dist/metapost/context/base/mp-grid.mp +++ b/Master/texmf-dist/metapost/context/base/mp-grid.mpii @@ -13,8 +13,7 @@ %D Under construction. -if unknown context_tool : input mp-tool ; fi ; -if known context_grid : endinput ; fi ; +if known context_grid : endinput ; fi ; boolean context_grid ; context_grid := true ; @@ -23,7 +22,7 @@ numeric fmt_precision ; fmt_precision := 3 ; boolean fmt_initialize ; fmt_initialize := false ; boolean fmt_zerocheck ; fmt_zerocheck := true ; -if unknown fmt_loaded : input mp-form ; fi ; +if unknown fmt_loaded : input "mp-form.mpii" ; fi ; boolean fmt_pictures ; fmt_pictures := true ; diff --git a/Master/texmf-dist/metapost/context/base/mp-grid.mpiv b/Master/texmf-dist/metapost/context/base/mp-grid.mpiv new file mode 100644 index 00000000000..e7420e4f663 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-grid.mpiv @@ -0,0 +1,142 @@ +%D \module +%D [ file=mp-grid.mp, +%D version=2000.07.10, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=grid support, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +%D Under construction. + +if known context_grid : endinput ; fi ; + +boolean context_grid ; context_grid := true ; + +string fmt_separator ; fmt_separator := "@" ; +numeric fmt_precision ; fmt_precision := 3 ; +boolean fmt_initialize ; fmt_initialize := false ; +boolean fmt_zerocheck ; fmt_zerocheck := true ; + +if unknown fmt_loaded : input "mp-form.mpiv" ; fi ; + +boolean fmt_pictures ; fmt_pictures := true ; + +def do_format = if fmt_pictures : format else : formatstr fi enddef ; +def do_mformat = if fmt_pictures : Mformat else : Mformatstr fi enddef ; + +numeric grid_eps ; grid_eps = eps ; + +def hlingrid (expr Min, Max, Step, Length, Width) text t = + image ( + for i=Min step Step until Max+grid_eps : + draw (origin--(Width,0)) shifted (0,i*(Length/Max)) t ; + endfor ; + ) ; +enddef ; + +def vlingrid (expr Min, Max, Step, Length, Height) text t = + image ( + for i=Min step Step until Max+grid_eps : + draw (origin--(0,Height)) shifted (i*(Length/Max),0) t ; + endfor ; + ) ; +enddef ; + +def hloggrid (expr Min, Max, Step, Length, Width) text t = + image ( + for i=max(Min,1) step Step until min(Max,10)+grid_eps : + draw (origin--(Width,0)) shifted (0,Length*log(i)) t ; + endfor ; + ) ; +enddef ; + +def vloggrid (expr Min, Max, Step, Length, Height) text t = + image ( + for i=max(Min,1) step Step until min(Max,10)+grid_eps : + draw (origin--(0,Height)) shifted (Length*log(i),0) t ; + endfor ; + ) ; +enddef ; + +vardef hlintext@#(expr Min, Max, Step, Length, Format) text t = + image ( + for i=Min step Step until Max+grid_eps : + draw textext@#(mfun_format_number(Format,i)) shifted (0,i*(Length/Max)) t ; + endfor ; + ) +enddef ; + +vardef vlintext@#(expr Min, Max, Step, Length, Format) text t = + image ( + for i=Min step Step until Max+grid_eps : + draw textext@#(mfun_format_number(Format,i)) shifted (i*(Length/Max),0) t ; + endfor ; + ) +enddef ; + +vardef hlogtext@#(expr Min, Max, Step, Length, Format) text t = + image ( + for i=max(Min,1) step Step until min(Max,10)+grid_eps : + draw textext@#(mfun_format_number(Format,i)) shifted (0,Length*log(i)) t ; + endfor ; + ) +enddef ; + +vardef vlogtext@#(expr Min, Max, Step, Length, Format) text t = + image ( + for i=max(Min,1) step Step until min(Max,10)+grid_eps : + draw textext@#(mfun_format_number(Format,i)) shifted (Length*log(i),0) t ; + endfor ; + ) +enddef ; + +vardef hlinlabel@#(expr Min, Max, Step, Length) text t = + image ( + for i=Min step Step until Max+grid_eps : + draw thelabel@#(decimal i,(0,i*(Length/Max))) t ; + endfor ; + ) +enddef ; + +vardef vlinlabel@#(expr Min, Max, Step, Length) text t = + image ( + for i=Min step Step until Max+grid_eps : + draw thelabel@#(decimal i,(i*(Length/Max),0)) t ; + endfor ; + ) +enddef ; + +vardef linlog(expr xy) = ( xpart xy, log(ypart xy)) enddef ; +vardef loglin(expr xy) = (log(xpart xy), ypart xy) enddef ; +vardef loglog(expr xy) = (log(xpart xy), log(ypart xy)) enddef ; +vardef linlin(expr xy) = ( (xpart xy), (ypart xy)) enddef ; + +vardef loglinpath primary p = processpath (p) (loglin) enddef ; +vardef linlogpath primary p = processpath (p) (linlog) enddef ; +vardef loglogpath primary p = processpath (p) (loglog) enddef ; +vardef linlinpath primary p = processpath (p) (linlin) enddef ; + +vardef processpath (expr p) (text pp) = + if path p : + for i=0 upto length(p)-1 : + pp(point i of p) .. controls + pp(postcontrol i of p) and + pp(precontrol (i+1) of p) .. + endfor + if cycle p : + cycle + else : + pp(point length(p) of p) + fi + elseif pair p : + pp(p) + else : + p + fi +enddef ; + diff --git a/Master/texmf-dist/metapost/context/base/mp-grph.mp b/Master/texmf-dist/metapost/context/base/mp-grph.mpii index 3cd9f2cfbda..148d9834a95 100644 --- a/Master/texmf-dist/metapost/context/base/mp-grph.mp +++ b/Master/texmf-dist/metapost/context/base/mp-grph.mpii @@ -13,8 +13,7 @@ %D Under construction. -if unknown context_tool : input mp-tool ; fi ; -if known context_grph : endinput ; fi ; +if known context_grph : endinput ; fi ; boolean context_grph ; context_grph := true ; @@ -22,13 +21,29 @@ string CRLF ; CRLF := char 10 & char 13 ; picture _currentpicture_ ; +numeric _fig_nesting_ ; _fig_nesting_ := 0 ; + def beginfig (expr c) = - begingroup - charcode := c ; - resetfig ; - scantokens extra_beginfig ; + _fig_nesting_ := _fig_nesting_ + 1 ; + if _fig_nesting_ = 1 : + begingroup + charcode := c ; + resetfig ; + scantokens extra_beginfig ; + fi ; enddef ; +def endfig = + ; % safeguard + if _fig_nesting_ = 1 : + scantokens extra_endfig; + shipit ; + endgroup ; + fi ; + _fig_nesting_ := _fig_nesting_ - 1 ; +enddef; + + def resetfig = clearxy ; clearit ; @@ -275,28 +290,21 @@ def graphictextdirective text t = graphictextstring := graphictextstring & t & CRLF ; enddef ; -endinput - % example - -input mp-grph ; - - graphictextformat := "context" ; -% graphictextformat := "plain" ; -% graphictextformat := "latex" ; graphictextdirective "\documentclass[]{article}" ; - -beginfig (1) ; - graphictext - "\vbox{\hsize10cm \input tufte }" - scaled 8 - withdrawcolor blue - withfillcolor red - withpen pencircle scaled 2pt ; -endfig ; - -beginfig(1) ; - loadfigure "gracht.mp" rotated 20 ; - loadfigure "koe.mp" number 1 scaled 2 ; -endfig ; - -end +% +% % graphictextformat := "context" ; +% % graphictextformat := "plain" ; +% +% beginfig (1) ; +% graphictext +% "\vbox{\hsize10cm \input tufte }" +% scaled 8 +% withdrawcolor blue +% withfillcolor red +% withpen pencircle scaled 2pt ; +% endfig ; +% +% beginfig(1) ; +% loadfigure "gracht.mp" rotated 20 ; +% loadfigure "koe.mp" number 1 scaled 2 ; +% endfig ; diff --git a/Master/texmf-dist/metapost/context/base/mp-grph.mpiv b/Master/texmf-dist/metapost/context/base/mp-grph.mpiv new file mode 100644 index 00000000000..3cbe42bdb45 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-grph.mpiv @@ -0,0 +1,259 @@ +%D \module +%D [ file=mp-grph.mp, +%D version=2000.12.14, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=graphic text support, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +%D Under construction. + +if known context_grph : endinput ; fi ; + +boolean context_grph ; context_grph := true ; + +picture _currentpicture_ ; + +numeric _fig_nesting_ ; _fig_nesting_ := 0 ; + +def beginfig (expr c) = + _fig_nesting_ := _fig_nesting_ + 1 ; + if _fig_nesting_ = 1 : + begingroup + charcode := c ; + resetfig ; + scantokens extra_beginfig ; + fi ; +enddef ; + +def endfig = + ; % safeguard + if _fig_nesting_ = 1 : + scantokens extra_endfig ; + shipit ; + endgroup ; + fi ; + _fig_nesting_ := _fig_nesting_ - 1 ; +enddef; + +def resetfig = + clearxy ; + clearit ; + clearpen ; + pickup defaultpen ; + interim linecap := linecap ; + interim linejoin := linejoin ; + interim miterlimit := miterlimit ; + save _background_ ; color _background_ ; _background_ := background ; + save background ; color background ; background := _background_ ; + drawoptions () ; +enddef ; + +def protectgraphicmacros = + save showtext ; + save beginfig ; let beginfig = begingraphictextfig ; + save endfig ; let endfig = endgraphictextfig ; + save end ; let end = relax ; + interim prologues := prologues ; + resetfig ; % resets currentpicture +enddef ; + +numeric currentgraphictext ; currentgraphictext := 0 ; + +def data_mpo_file = job_name & "-mpgraph.mpo" enddef ; +def data_mpy_file = job_name & "-mpgraph.mpy" enddef ; + +def begingraphictextfig (expr n) = + foundpicture := n ; + scratchpicture := nullpicture ; +enddef ; + +def endgraphictextfig = + if foundpicture = currentgraphictext : + expandafter endinput + else : + scratchpicture := nullpicture ; + fi ; +enddef ; + +def loadfigure primary filename = + doloadfigure (filename) +enddef ; + +def doloadfigure (expr filename) text figureattributes = + begingroup ; + save figurenumber, figurepicture, number, fixedplace ; + numeric figurenumber ; figurenumber := 0 ; + boolean figureshift ; figureshift := true ; + picture figurepicture ; figurepicture := currentpicture ; + def number primary n = hide(figurenumber := n) enddef ; + def fixedplace = hide(figureshift := false) enddef ; + protectgraphicmacros ; + % defaults + interim linecap := rounded ; + interim linejoin := rounded ; + interim miterlimit := 10 ; + % + currentpicture := nullpicture ; + draw fullcircle figureattributes ; % expand number + currentpicture := nullpicture ; + def beginfig (expr n) = + currentpicture := nullpicture ; + if (figurenumber=n) or (figurenumber=0) : + let endfig = endinput ; + fi ; + enddef ; + let endfig = relax ; + readfile(filename) ; + if figureshift : + currentpicture := currentpicture shifted -llcorner currentpicture ; + fi ; + addto figurepicture also currentpicture figureattributes ; + currentpicture := figurepicture ; + endgroup ; +enddef ; + +def graphictext primary t = + hide ( + if mfun_trial_run : + let mfun_graphic_text = mfun_no_graphic_text ; + else : + let mfun_graphic_text = mfun_do_graphic_text ; + fi + ) + mfun_graphic_text(t) +enddef ; + +def mfun_do_graphic_text (expr t) = + % withprescript "gt_stage=final" + begingroup ; + save figurepicture ; picture figurepicture ; + figurepicture := currentpicture ; currentpicture := nullpicture ; + currentgraphictext := currentgraphictext + 1 ; + mfun_finish_graphic_text % picks up directives +enddef ; + +def mfun_no_graphic_text (expr t) text rest = + draw unitsquare withprescript "gt_stage=trial" withpostscript t +enddef ; + +def mfun_finish_graphic_text text x_op_x = + protectgraphicmacros ; % resets currentpicture + interim linecap := butt ; % normally rounded + interim linejoin := mitered ; % normally rounded + interim miterlimit := 10 ; % todo + let normalwithshade = withshade ; + save foundpicture, scratchpicture, str ; + save fill, draw, withshade, reversefill, outlinefill ; + save withfillcolor, withdrawcolor ; % quite important + numeric foundpicture ; picture scratchpicture ; string str ; + def draw expr p = + % the first, naive implementation was: + % addto scratchpicture doublepath p withpen currentpen ; + % but it is better to turn lines into fills + addto scratchpicture contour boundingbox + image (addto currentpicture doublepath p withpen currentpen) ; + enddef ; + def fill expr p = + addto scratchpicture contour p withpen currentpen ; + enddef ; + def f_op_f = enddef ; boolean f_color ; f_color := false ; + def d_op_d = enddef ; boolean d_color ; d_color := false ; + def s_op_s = enddef ; boolean s_color ; s_color := false ; + boolean reverse_fill ; reverse_fill := false ; + boolean outline_fill ; outline_fill := false ; + def reversefill = + hide(reverse_fill := true ) + enddef ; + def outlinefill = + hide(outline_fill := true ) + enddef ; + def withshade primary c = + hide(def s_op_s = normalwithshade c enddef ; s_color := true ) + enddef ; + def withfillcolor primary c = + hide(def f_op_f = withcolor c enddef ; f_color := true ) + enddef ; + def withdrawcolor primary c = + hide(def d_op_d = withcolor c enddef ; d_color := true ) + enddef ; + scratchpicture := nullpicture ; + addto scratchpicture doublepath origin x_op_x ; % pre-roll + for i within scratchpicture : % Below here is a dirty tricky test! + if (urcorner dashpart i) = origin : + outline_fill := false ; + fi ; + endfor ; + scratchpicture := nullpicture ; + readfile(data_mpy_file) ; + scratchpicture := (scratchpicture shifted -llcorner scratchpicture) scaled (1/10) ; + if not d_color and not f_color : + d_color := true ; + fi + if s_color : + d_color := false ; + f_color := false ; + fi ; + currentpicture := figurepicture ; + if d_color and not reverse_fill : + for i within scratchpicture : + if f_color and outline_fill : + addto currentpicture doublepath pathpart i _op_ x_op_x f_op_f dashed nullpicture ; + fi ; + if filled i : + addto currentpicture doublepath pathpart i _op_ x_op_x d_op_d ; + fi ; + endfor ; + fi ; + if f_color : + for i within scratchpicture : + if filled i : + addto currentpicture contour pathpart i _op_ x_op_x f_op_f withpen pencircle scaled 0 ; + fi ; + endfor ; + fi ; + if d_color and reverse_fill : + for i within scratchpicture : + if filled i : + addto currentpicture doublepath pathpart i _op_ x_op_x d_op_d ; + fi ; + endfor ; + fi ; + if s_color : + for i within scratchpicture : + if filled i : + addto currentpicture contour pathpart i _op_ x_op_x s_op_s ; + fi ; + endfor ; + else : + for i within scratchpicture : + if stroked i : + addto currentpicture doublepath pathpart i _op_ x_op_x d_op_d ; + fi ; + endfor ; + fi ; + endgroup ; +enddef ; + +% example +% +% beginfig (1) ; +% graphictext +% "\vbox{\hsize10cm \input tufte }" +% scaled 8 +% withdrawcolor blue +% withfillcolor red +% withpen pencircle scaled 2pt ; +% endfig ; +% +% beginfig(1) ; +% loadfigure "gracht.mp" rotated 20 ; +% loadfigure "koe.mp" number 1 scaled 2 ; +% endfig ; +% +% end diff --git a/Master/texmf-dist/metapost/context/base/mp-idea.mpiv b/Master/texmf-dist/metapost/context/base/mp-idea.mpiv new file mode 100644 index 00000000000..462d9755359 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-idea.mpiv @@ -0,0 +1,30 @@ +% redpart (1,1,0,0) crashes + +% let normalredpart = redpart ; +% let normalgreenpart = greenpart ; +% let normalbluepart = bluepart ; +% let normalcyanpart = cyanpart ; +% let normalmagentapart = magentapart ; +% let normalyellowpart = yellowpart ; +% let normalblackpart = blackpart ; + +% vardef redpart expr p = if cmykcolor p : 1 - normalcyanpart p elseif rgbcolor p : normalredpart p else : p fi enddef ; +% vardef greenpart expr p = if cmykcolor p : 1 - normalmagentapart p elseif rgbcolor p : normalgreenpart p else : p fi enddef ; +% vardef bluepart expr p = if cmykcolor p : 1 - normalyellowpart p elseif rgbcolor p : normalbluepart p else : p fi enddef ; +% vardef cyanpart expr p = if cmykcolor p : normalcyanpart p elseif rgbcolor p : 1 - normalredpart p else : p fi enddef ; +% vardef magentapart expr p = if cmykcolor p : normalmagentapart p elseif rgbcolor p : 1 - normalgreenpart p else : p fi enddef ; +% vardef yellowpart expr p = if cmykcolor p : normalyellowpart p elseif rgbcolor p : 1 - normalbluepart p else : p fi enddef ; +% vardef blackpart expr p = if cmykcolor p : normalblackpart p elseif rgbcolor p : 0 else : p fi enddef ; + +vardef rcomponent expr p = if rgbcolor p : redpart p elseif cmykcolor p : 1 - cyanpart p else : p fi enddef ; +vardef gcomponent expr p = if rgbcolor p : greenpart p elseif cmykcolor p : 1 - magentapart p else : p fi enddef ; +vardef bcomponent expr p = if rgbcolor p : bluepart p elseif cmykcolor p : 1 - yellowpart p else : p fi enddef ; +vardef ccomponent expr p = if cmykcolor p : cyanpart p elseif rgbcolor p : 1 - redpart p else : p fi enddef ; +vardef mcomponent expr p = if cmykcolor p : magentapart p elseif rgbcolor p : 1 - greenpart p else : p fi enddef ; +vardef ycomponent expr p = if cmykcolor p : yellowpart p elseif rgbcolor p : 1 - bluepart p else : p fi enddef ; +vardef bcomponent expr p = if cmykcolor p : blackpart p elseif rgbcolor p : 0 else : p fi enddef ; + +vardef somecolor = (1,1,0,0) enddef ; + +fill OverlayBox withcolor (rcomponent somecolor,gcomponent somecolor,bcomponent somecolor) ; +fill OverlayBox withcolor (ccomponent somecolor,mcomponent somecolor,ycomponent somecolor,bcomponent somecolor) ; diff --git a/Master/texmf-dist/metapost/context/base/mp-mlib.mp b/Master/texmf-dist/metapost/context/base/mp-mlib.mp deleted file mode 100644 index 6c7115cb7d4..00000000000 --- a/Master/texmf-dist/metapost/context/base/mp-mlib.mp +++ /dev/null @@ -1,533 +0,0 @@ -%D \module -%D [ file=mp-mlib.mp, -%D version=2008.03.21, -%D title=\CONTEXT\ \METAPOST\ graphics, -%D subtitle=plugins, -%D author=Hans Hagen, -%D date=\currentdate, -%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] -%C -%C This module is part of the \CONTEXT\ macro||package and is -%C therefore copyrighted by \PRAGMA. See licen-en.pdf for -%C details. - -if unknown mplib : endinput ; fi ; -if known context_mlib : endinput ; fi ; - -boolean context_mlib ; context_mlib := true ; - -%D Color and transparency - -newinternal normaltransparent ; normaltransparent := 1 ; -newinternal multiplytransparent ; multiplytransparent := 2 ; -newinternal screentransparent ; screentransparent := 3 ; -newinternal overlaytransparent ; overlaytransparent := 4 ; -newinternal softlighttransparent ; softlighttransparent := 5 ; -newinternal hardlighttransparent ; hardlighttransparent := 6 ; -newinternal colordodgetransparent ; colordodgetransparent := 7 ; -newinternal colorburntransparent ; colorburntransparent := 8 ; -newinternal darkentransparent ; darkentransparent := 9 ; -newinternal lightentransparent ; lightentransparent := 10 ; -newinternal differencetransparent ; differencetransparent := 11 ; -newinternal exclusiontransparent ; exclusiontransparent := 12 ; - -vardef transparency_alternative_to_number(expr name) = - if string name : - if expandafter known scantokens(name & "transparent") : - scantokens(name & "transparent") - else : - 0 - fi - elseif name < 13 : - name - else : - 0 - fi -enddef ; - -def spotcolor(expr n, v) = - 1 - withprescript "sp_name=" & n - withprescript "sp_value=" & v -enddef ; - -def multitonecolor(expr name, fractions, components, value) = - 1 - withprescript "sp_name=" & name - withprescript "sp_fractions=" & decimal fractions - withprescript "sp_components=" & components - withprescript "sp_value=" & value -enddef ; - -def transparent(expr alternative, transparency)(text c) = - c - withprescript "tr_alternative=" & decimal transparency_alternative_to_number(alternative) - withprescript "tr_transparency=" & decimal transparency -enddef ; - -def withtransparency(expr alternative, transparency) = - withprescript "tr_alternative=" & decimal transparency_alternative_to_number(alternative) - withprescript "tr_transparency=" & decimal transparency -enddef ; - -def cmyk(expr c, m, y, k) = - (c,m,y,k) -enddef ; - -% Texts - -numeric _tt_w_[], _tt_h_[], _tt_d_[] ; -numeric _tt_n_ ; _tt_n_ := 0 ; -picture _tt_p_ ; _tt_p_ := nullpicture ; -boolean _trial_run_ ; _trial_run_ := false ; - -def resettextexts = - _tt_n_ := 0 ; - _tt_p_ := nullpicture ; -enddef ; - -def flushtextexts = - addto currentpicture also _tt_p_ -enddef ; - -extra_endfig := "flushtextexts;" & extra_endfig; -extra_beginfig := extra_beginfig & "resettextexts;"; - -% We collect and flush them all, as we can also have temporary textexts -% that gets never really flushed but are used for calculations. So, we -% flush twice: once in location in order to pick up e.g. color properties, -% and once at the end because we need to flush missing ones. - -vardef rawtextext(expr str) = - if str = "" : - nullpicture - elseif _trial_run_ : - _tt_n_ := _tt_n_ + 1 ; - addto _tt_p_ doublepath unitsquare - withprescript "tx_number=" & decimal _tt_n_ - withprescript "tx_stage=extra" - withpostscript str ; - image ( - addto currentpicture doublepath unitsquare - withprescript "tx_number=" & decimal _tt_n_ - withprescript "tx_stage=trial" - withpostscript str - ) - else : - _tt_n_ := _tt_n_ + 1 ; - if known _tt_d_[_tt_n_] : - image ( - addto currentpicture doublepath unitsquare - xscaled _tt_w_[_tt_n_] - yscaled (_tt_h_[_tt_n_] + _tt_d_[_tt_n_]) - withprescript "tx_number=" & decimal _tt_n_ - withprescript "tx_stage=final" - ; % withpostscript str ; - ) shifted (0,-_tt_d_[_tt_n_]) - else : - image ( - addto currentpicture doublepath unitsquare ; - ) - fi - fi -enddef ; - -% More text - -pair laboff.d, laboff.dlft, laboff.drt ; % new positional suffixes -pair laboff.origin, laboff.raw ; % graph mess - -laboff.d := laboff ; labxf.d := labxf ; labyf.d := labyf ; -laboff.dlft := laboff.lft ; labxf.dlft := labxf.lft ; labyf.dlft := labyf.lft ; -laboff.drt := laboff.rt ; labxf.drt := labxf.rt ; labyf.drt := labyf.rt ; - -labtype := 0 ; labtype.lft := 1 ; labtype.rt := 2 ; -labtype.bot := 3 ; labtype.top := 4 ; labtype.ulft := 5 ; -labtype.urt := 6 ; labtype.llft := 7 ; labtype.lrt := 8 ; -labtype.d := 10 ; labtype.dlft := 11 ; labtype.drt := 12 ; -labtype.origin := 0 ; labtype.raw := 0 ; - -% laboff.origin = (infinity,infinity) ; labxf.origin := 0 ; labyf.origin := 0 ; -% laboff.raw = (infinity,infinity) ; labxf.raw := 0 ; labyf.raw := 0 ; - -% todo: thelabel.origin("xxxx",origin) (overflows) - -laboff.origin = (0,0) ; labxf.origin := 0 ; labyf.origin := 0 ; -laboff.raw = (0,0) ; labxf.raw := 0 ; labyf.raw := 0 ; - -pair laboff.l ; laboff.l = laboff.lft ; -pair laboff.r ; laboff.r = laboff.rt ; -pair laboff.b ; laboff.b = laboff.bot ; -pair laboff.t ; laboff.t = laboff.top ; -pair laboff.l_t ; laboff.l_t = laboff.ulft ; -pair laboff.r_t ; laboff.r_t = laboff.urt ; -pair laboff.l_b ; laboff.l_b = laboff.llft ; -pair laboff.r_b ; laboff.r_b = laboff.lrt ; -pair laboff.t_l ; laboff.t_l = laboff.ulft ; -pair laboff.t_r ; laboff.t_r = laboff.urt ; -pair laboff.b_l ; laboff.b_l = laboff.llft ; -pair laboff.b_r ; laboff.b_r = laboff.lrt ; - -numeric labxf.l ; labxf.l = labxf.lft ; -numeric labxf.r ; labxf.r = labxf.rt ; -numeric labxf.b ; labxf.b = labxf.bot ; -numeric labxf.t ; labxf.t = labxf.top ; -numeric labxf.l_t ; labxf.l_t = labxf.ulft ; -numeric labxf.r_t ; labxf.r_t = labxf.urt ; -numeric labxf.l_b ; labxf.l_b = labxf.llft ; -numeric labxf.r_b ; labxf.r_b = labxf.lrt ; -numeric labxf.t_l ; labxf.t_l = labxf.ulft ; -numeric labxf.t_r ; labxf.t_r = labxf.urt ; -numeric labxf.b_l ; labxf.b_l = labxf.llft ; -numeric labxf.b_r ; labxf.b_r = labxf.lrt ; - -numeric labyf.l ; labyf.l = labyf.lft ; -numeric labyf.r ; labyf.r = labyf.rt ; -numeric labyf.b ; labyf.b = labyf.bot ; -numeric labyf.t ; labyf.t = labyf.top ; -numeric labyf.l_t ; labyf.l_t = labyf.ulft ; -numeric labyf.r_t ; labyf.r_t = labyf.urt ; -numeric labyf.l_b ; labyf.l_b = labyf.llft ; -numeric labyf.r_b ; labyf.r_b = labyf.lrt ; -numeric labyf.t_l ; labyf.t_l = labyf.ulft ; -numeric labyf.t_r ; labyf.t_r = labyf.urt ; -numeric labyf.b_l ; labyf.b_l = labyf.llft ; -numeric labyf.b_r ; labyf.b_r = labyf.lrt ; - -numeric labtype.l ; labtype.l = labtype.lft ; -numeric labtype.r ; labtype.r = labtype.rt ; -numeric labtype.b ; labtype.b = labtype.bot ; -numeric labtype.t ; labtype.t = labtype.top ; -numeric labtype.l_t ; labtype.l_t = labtype.ulft ; -numeric labtype.r_t ; labtype.r_t = labtype.urt ; -numeric labtype.l_b ; labtype.l_b = labtype.llft ; -numeric labtype.r_b ; labtype.r_b = labtype.lrt ; -numeric labtype.t_l ; labtype.t_l = labtype.ulft ; -numeric labtype.t_r ; labtype.t_r = labtype.urt ; -numeric labtype.b_l ; labtype.b_l = labtype.llft ; -numeric labtype.b_r ; labtype.b_r = labtype.lrt ; - -vardef thetextext@#(expr p,z) = % adapted copy of thelabel@ - if string p : - thetextext@#(rawtextext(p),z) - else : - p - if (labtype@# >= 10) : shifted (0,ypart center p) fi - shifted (z + labeloffset*laboff@# - (labxf@#*lrcorner p + labyf@#*ulcorner p + (1-labxf@#-labyf@#)*llcorner p)) - fi -enddef ; - -vardef textext@#(expr txt) = - interim labeloffset := textextoffset ; - if string txt : - thetextext@#(rawtextext(txt),origin) - else : - thetextext@#(txt,origin) - fi -enddef ; - -% \starttext -% \startMPpage -% numeric value ; value = 123 ; -% label.lft(decimal value,origin) ; -% draw "oeps" infont defaultfont ; -% \stopMPpage -% \stoptext - -vardef thelabel@#(expr s, z) = - save p ; picture p ; - if picture s : - p = s ; - else : - p = textext("\definedfont[" & defaultfont & "]" & s) scaled defaultscale ; - fi ; - p shifted (z + labeloffset*laboff@# - (labxf@#*lrcorner p + labyf@#*ulcorner p + (1-labxf@#-labyf@#)*llcorner p)) -enddef; - -let normalinfont = infont ; - -primarydef str infont name = % very naughty ! - if name = "" : - textext(str) - else : - textext("\definedfont[" & name & "]" & str) - fi -enddef ; - -% Shades - -newinternal shadefactor ; shadefactor := 1 ; -pair shadeoffset ; shadeoffset := origin ; -boolean trace_shades ; trace_shades := false ; - -def set_linear_vector (suffix a,b)(expr p,n) = - if (n=1) : a := llcorner p ; b := urcorner p ; - elseif (n=2) : a := lrcorner p ; b := ulcorner p ; - elseif (n=3) : a := urcorner p ; b := llcorner p ; - elseif (n=4) : a := ulcorner p ; b := lrcorner p ; - elseif (n=5) : a := .5[ulcorner p,llcorner p] ; b := .5[urcorner p,lrcorner p] ; - elseif (n=6) : a := .5[llcorner p,lrcorner p] ; b := .5[ulcorner p,urcorner p] ; - elseif (n=7) : a := .5[lrcorner p,urcorner p] ; b := .5[llcorner p,ulcorner p] ; - elseif (n=8) : a := .5[urcorner p,ulcorner p] ; b := .5[lrcorner p,llcorner p] ; - else : a := .5[ulcorner p,llcorner p] ; b := .5[urcorner p,lrcorner p] ; - fi ; -enddef ; - -def set_circular_vector (suffix ab, r)(expr p,n) = - if (n=1) : ab := llcorner p ; - elseif (n=2) : ab := lrcorner p ; - elseif (n=3) : ab := urcorner p ; - elseif (n=4) : ab := ulcorner p ; - else : ab := center p ; r := .5r ; - fi ; -enddef ; - -def circular_shade (expr p, n, ca, cb) = - begingroup ; - save ab, r ; pair ab ; numeric r ; - r := (xpart lrcorner p - xpart llcorner p) ++ (ypart urcorner p - ypart lrcorner p) ; - set_circular_vector(ab,r)(p,n) ; - fill p withcircularshade(ab,ab,0,r,ca,cb) ; - if trace_shades : - drawarrow ab -- ab shifted (0,r) withpen pencircle scaled 1pt withcolor .5white ; - fi ; - endgroup ; -enddef ; - -def linear_shade (expr p, n, ca, cb) = - begingroup ; - save a, b, sh ; pair a, b ; - set_linear_vector(a,b)(p,n) ; - fill p withlinearshade(a,b,ca,cb) ; - if trace_shades : - drawarrow a -- b withpen pencircle scaled 1pt withcolor .5white ; - fi ; - endgroup ; -enddef ; - -def withcircularshade (expr a, b, ra, rb, ca, cb) = - withprescript "sh_type=circular" - withprescript "sh_domain=0 1" - withprescript "sh_factor=" & decimal shadefactor - withprescript "sh_color_a=" & colordecimals ca - withprescript "sh_color_b=" & colordecimals cb - withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) - withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) - withprescript "sh_radius_a=" & decimal ra - withprescript "sh_radius_b=" & decimal rb -enddef ; - -def withlinearshade (expr a, b, ca, cb) = - withprescript "sh_type=linear" - withprescript "sh_domain=0 1" - withprescript "sh_factor=" & decimal shadefactor - withprescript "sh_color_a=" & colordecimals ca - withprescript "sh_color_b=" & colordecimals cb - withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) - withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) -enddef ; - -string _defined_cs_pre_[] ; numeric _defined_cs_ ; _defined_cs_:= 0 ; -string prescript_separator ; prescript_separator := char(13) ; - -vardef define_circular_shade (expr a, b, ra, rb, ca, cb) = - _defined_cs_ := _defined_cs_ + 1 ; - _defined_cs_pre_ [_defined_cs_] := "sh_type=circular" - & prescript_separator & "sh_domain=0 1" - & prescript_separator & "sh_factor=" & decimal shadefactor - & prescript_separator & "sh_color_a=" & colordecimals ca - & prescript_separator & "sh_color_b=" & colordecimals cb - & prescript_separator & "sh_center_a=" & ddecimal (a shifted shadeoffset) - & prescript_separator & "sh_center_b=" & ddecimal (b shifted shadeoffset) - & prescript_separator & "sh_radius_a=" & decimal ra - & prescript_separator & "sh_radius_b=" & decimal rb - ; - _defined_cs_ -enddef ; - -vardef define_linear_shade (expr a, b, ca, cb) = - _defined_cs_ := _defined_cs_ + 1 ; - _defined_cs_pre_ [_defined_cs_] := "sh_type=linear" - & prescript_separator & "sh_domain=0 1" - & prescript_separator & "sh_factor=" & decimal shadefactor - & prescript_separator & "sh_color_a=" & colordecimals ca - & prescript_separator & "sh_color_b=" & colordecimals cb - & prescript_separator & "sh_center_a=" & ddecimal (a shifted shadeoffset) - & prescript_separator & "sh_center_b=" & ddecimal (b shifted shadeoffset) - ; - _defined_cs_ -enddef ; - -primarydef p withshade sc = - p withprescript _defined_cs_pre_[sc] -enddef ; - -% vardef predefined_linear_shade (expr p, n, ca, cb) = -% save a, b, sh ; pair a, b ; -% set_linear_vector(a,b)(p,n) ; -% define_linear_shade (a,b,ca,cb) -% enddef ; -% -% vardef predefined_circular_shade (expr p, n, ca, cb) = -% save ab, r ; pair ab ; numeric r ; -% r := (xpart lrcorner p - xpart llcorner p) ++ (ypart urcorner p - ypart lrcorner p) ; -% set_circular_vector(ab,r)(p,n) ; -% define_circular_shade(ab,ab,0,r,ca,cb) -% enddef ; - -% NEW EXPERIMENTAL CODE - -def withlinearshading (expr a, b) = - withprescript "sh_type=linear" - withprescript "sh_domain=0 1" - withprescript "sh_factor=" & decimal shadefactor - withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) - withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) -enddef ; - -def withcircularshading (expr a, b, ra, rb) = - withprescript "sh_type=circular" - withprescript "sh_domain=0 1" - withprescript "sh_factor=" & decimal shadefactor - withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) - withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) - withprescript "sh_radius_a=" & decimal ra - withprescript "sh_radius_b=" & decimal rb -enddef ; - -def withfromshadecolor expr t = - withprescript "sh_color=into" - withprescript "sh_color_a=" & colordecimals t -enddef ; - -def withtoshadecolor expr t = - withprescript "sh_color=into" - withprescript "sh_color_b=" & colordecimals t -enddef ; - -def withshading (expr how)(text rest) = - if how = "linear" : - withlinearshading(rest) - elseif how = "circular" : - withcircularshading(rest) - else : - % nothing - fi -enddef ; - -primarydef a shadedinto b = - 1 - withprescript "sh_color=into" - withprescript "sh_color_a=" & colordecimals a - withprescript "sh_color_b=" & colordecimals b -enddef ; - -% END OF NEW - -% Graphic text (we will move code here) - -def graphictext primary t = - if _trial_run_ : - let dographictextindeed = nographictext ; - else : - let dographictextindeed = dographictext ; - fi - dographictextindeed(t) -enddef ; - -def dographictext (expr t) = - % withprescript "gt_stage=final" - begingroup ; - save figurepicture ; picture figurepicture ; - figurepicture := currentpicture ; currentpicture := nullpicture ; - currentgraphictext := currentgraphictext + 1 ; - dofinishgraphictext -enddef ; - -def nographictext (expr t) text rest = - draw unitsquare withprescript "gt_stage=trial" withpostscript t -enddef ; - -% def savegraphictext (expr str) = -% enddef ; - -% def erasegraphictextfile = -% enddef ; - -% Layers - -def onlayer primary name = - withprescript "la_name=" & name -enddef ; - - -% Figures - -% def externalfigure primary filename = -% doexternalfigure (filename) -% enddef ; -% -% def doexternalfigure (expr filename) text transformation = -% if true : % a bit incompatible esp scaled 1cm now scaled the natural size -% draw rawtextext("\externalfigure[" & filename & "]") transformation ; -% else : -% draw unitsquare transformation withprescript "fg_name=" & filename ; -% fi ; -% enddef ; - -def withmask primary filename = - withprescript "fg_mask=" & filename -enddef ; - -def externalfigure primary filename = - if false : - rawtextext("\externalfigure[" & filename & "]") - else : - image ( - addto currentpicture doublepath unitsquare - withprescript "fg_name=" & filename ; - ) -% unitsquare -% withpen pencircle scaled 0 -% withprescript "fg_name=" & filename - fi -enddef ; - -def figure primary filename = - rawtextext("\externalfigure[" & filename & "]") -enddef ; - -% Positions - -def register (expr label, width, height, offset) = - image ( - addto currentpicture doublepath unitsquare xscaled width yscaled height shifted offset - withprescript "ps_label=" & label ; - ) ; % no transformations -enddef ; - -% Housekeeping - -extra_beginfig := extra_beginfig & "currentgraphictext := 0 ; " ; -extra_endfig := extra_endfig & "finishsavingdata ; " ; -extra_endfig := extra_endfig & "resettextexts ; " ; - -boolean cmykcolors ; cmykcolors := true ; -boolean spotcolors ; spotcolors := true ; - -% Bonus - -vardef verbatim(expr str) = - ditto & "\detokenize{" & str & "}" & ditto -enddef ; - -% New - -def bitmapimage(expr xresolution, yresolution, data) = - image ( - addto currentpicture doublepath unitsquare - withprescript "bm_xresolution=" & decimal xresolution - withprescript "bm_yresolution=" & decimal yresolution - withpostscript data ; - ) -enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-mlib.mpiv b/Master/texmf-dist/metapost/context/base/mp-mlib.mpiv new file mode 100644 index 00000000000..ef3408198f9 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-mlib.mpiv @@ -0,0 +1,616 @@ +%D \module +%D [ file=mp-mlib.mp, +%D version=2008.03.21, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=plugins, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +if unknown mplib : endinput ; fi ; +if known context_mlib : endinput ; fi ; + +boolean context_mlib ; context_mlib := true ; + +%D Color and transparency +%D +%D Separable: + +newinternal normaltransparent ; normaltransparent := 1 ; +newinternal multiplytransparent ; multiplytransparent := 2 ; +newinternal screentransparent ; screentransparent := 3 ; +newinternal overlaytransparent ; overlaytransparent := 4 ; +newinternal softlighttransparent ; softlighttransparent := 5 ; +newinternal hardlighttransparent ; hardlighttransparent := 6 ; +newinternal colordodgetransparent ; colordodgetransparent := 7 ; +newinternal colorburntransparent ; colorburntransparent := 8 ; +newinternal darkentransparent ; darkentransparent := 9 ; +newinternal lightentransparent ; lightentransparent := 10 ; +newinternal differencetransparent ; differencetransparent := 11 ; +newinternal exclusiontransparent ; exclusiontransparent := 12 ; + +%D Nonseparable: + +newinternal huetransparent ; huetransparent := 13 ; +newinternal saturationtransparent ; saturationtransparent := 14 ; +newinternal colortransparent ; colortransparent := 15 ; +newinternal luminositytransparent ; luminositytransparent := 16 ; + +vardef transparency_alternative_to_number(expr name) = + if string name : + if expandafter known scantokens(name & "transparent") : + scantokens(name & "transparent") + else : + 0 + fi + elseif name < 17 : + name + else : + 0 + fi +enddef ; + +def namedcolor (expr n) = + 1 + withprescript "sp_type=named" + withprescript "sp_name=" & n +enddef ; + +def spotcolor(expr n, v) = + 1 + withprescript "sp_type=spot" + withprescript "sp_name=" & n + withprescript "sp_value=" & v +enddef ; + +def multitonecolor(expr name, fractions, components, value) = + 1 + withprescript "sp_type=multitone" + withprescript "sp_name=" & name + withprescript "sp_fractions=" & decimal fractions + withprescript "sp_components=" & components + withprescript "sp_value=" & value +enddef ; + +def transparent(expr alternative, transparency)(text c) = + 1 % this permits withcolor x intoshade y + withprescript "tr_alternative=" & decimal transparency_alternative_to_number(alternative) + withprescript "tr_transparency=" & decimal transparency + withcolor c +enddef ; + +def withtransparency(expr alternative, transparency) = + withprescript "tr_alternative=" & decimal transparency_alternative_to_number(alternative) + withprescript "tr_transparency=" & decimal transparency +enddef ; + +def cmyk(expr c, m, y, k) = % provided for downward compability + (c,m,y,k) +enddef ; + +% Texts (todo: better strut ratio, now .7 hardcoded, should be passed) + +newinternal textextoffset ; textextoffset := 0 ; + +numeric mfun_tt_w[], mfun_tt_h[], mfun_tt_d[] ; % we can consider using colors (less hash space) +numeric mfun_tt_n ; mfun_tt_n := 0 ; +picture mfun_tt_p ; mfun_tt_p := nullpicture ; +boolean mfun_trial_run ; mfun_trial_run := false ; + +def mfun_reset_tex_texts = + mfun_tt_n := 0 ; + mfun_tt_p := nullpicture ; +enddef ; + +def mfun_flush_tex_texts = + addto currentpicture also mfun_tt_p +enddef ; + +extra_endfig := "mfun_flush_tex_texts;" & extra_endfig; +extra_beginfig := extra_beginfig & "mfun_reset_tex_texts;"; + +% We collect and flush them all, as we can also have temporary textexts +% that gets never really flushed but are used for calculations. So, we +% flush twice: once in location in order to pick up e.g. color properties, +% and once at the end because we need to flush missing ones. + +vardef rawtextext(expr str) = + if str = "" : + nullpicture + elseif mfun_trial_run : + mfun_tt_n := mfun_tt_n + 1 ; + addto mfun_tt_p doublepath unitsquare + withprescript "tx_number=" & decimal mfun_tt_n + withprescript "tx_stage=extra" + withpostscript str ; + image ( + addto currentpicture doublepath unitsquare + withprescript "tx_number=" & decimal mfun_tt_n + withprescript "tx_stage=trial" + withpostscript str + ) + else : + mfun_tt_n := mfun_tt_n + 1 ; + if known mfun_tt_d[mfun_tt_n] : + image ( + addto currentpicture doublepath unitsquare + xscaled mfun_tt_w[mfun_tt_n] + yscaled (mfun_tt_h[mfun_tt_n] + mfun_tt_d[mfun_tt_n]) + withprescript "tx_number=" & decimal mfun_tt_n + withprescript "tx_stage=final" + ; % withpostscript str ; + ) shifted (0,-mfun_tt_d[mfun_tt_n]) + else : + image ( + addto currentpicture doublepath unitsquare ; + ) + fi + fi +enddef ; + +% More text + +defaultfont := "Mono" ; % was cmr10, could be lmmono10-regular, but is fed into context anyway + +vardef fontsize expr name = + save size ; numeric size ; + size := bbwidth(textext("\MPfontsizehskip{" & name & "}")) ; + if size = 0 : + 12pt + else : + size + fi +enddef ; + +pair mfun_laboff ; mfun_laboff := (0,0) ; +pair mfun_laboff.lft ; mfun_laboff.lft := (-1,0) ; +pair mfun_laboff.rt ; mfun_laboff.rt := (1,0) ; +pair mfun_laboff.bot ; mfun_laboff.bot := (0,-1) ; +pair mfun_laboff.top ; mfun_laboff.top := (0,1) ; +pair mfun_laboff.ulft ; mfun_laboff.ulft := (-.7,.7) ; +pair mfun_laboff.urt ; mfun_laboff.urt := (.7,.7) ; +pair mfun_laboff.llft ; mfun_laboff.llft := -(.7,.7) ; +pair mfun_laboff.lrt ; mfun_laboff.lrt := (.7,-.7) ; + +pair mfun_laboff.d ; mfun_laboff.d := mfun_laboff ; +pair mfun_laboff.dlft ; mfun_laboff.dlft := mfun_laboff.lft ; +pair mfun_laboff.drt ; mfun_laboff.drt := mfun_laboff.rt ; +pair mfun_laboff.origin ; mfun_laboff.origin := origin ; +pair mfun_laboff.raw ; mfun_laboff.raw := origin ; + +pair mfun_laboff.l ; mfun_laboff.l := mfun_laboff.lft ; +pair mfun_laboff.r ; mfun_laboff.r := mfun_laboff.rt ; +pair mfun_laboff.b ; mfun_laboff.b := mfun_laboff.bot ; +pair mfun_laboff.t ; mfun_laboff.t := mfun_laboff.top ; +pair mfun_laboff.l_t ; mfun_laboff.l_t := mfun_laboff.ulft ; +pair mfun_laboff.r_t ; mfun_laboff.r_t := mfun_laboff.urt ; +pair mfun_laboff.l_b ; mfun_laboff.l_b := mfun_laboff.llft ; +pair mfun_laboff.r_b ; mfun_laboff.r_b := mfun_laboff.lrt ; +pair mfun_laboff.t_l ; mfun_laboff.t_l := mfun_laboff.ulft ; +pair mfun_laboff.t_r ; mfun_laboff.t_r := mfun_laboff.urt ; +pair mfun_laboff.b_l ; mfun_laboff.b_l := mfun_laboff.llft ; +pair mfun_laboff.b_r ; mfun_laboff.b_r := mfun_laboff.lrt ; + +mfun_labxf := 0.5 ; +mfun_labxf.lft := mfun_labxf.l := 1 ; +mfun_labxf.rt := mfun_labxf.r := 0 ; +mfun_labxf.bot := mfun_labxf.b := 0.5 ; +mfun_labxf.top := mfun_labxf.t := 0.5 ; +mfun_labxf.ulft := mfun_labxf.l_t := mfun_labxf.t_l := 1 ; +mfun_labxf.urt := mfun_labxf.r_t := mfun_labxf.t_r := 0 ; +mfun_labxf.llft := mfun_labxf.l_b := mfun_labxf.b_l := 1 ; +mfun_labxf.lrt := mfun_labxf.r_b := mfun_labxf.b_r := 0 ; + +mfun_labxf.d := mfun_labxf ; +mfun_labxf.dlft := mfun_labxf.lft ; +mfun_labxf.drt := mfun_labxf.rt ; +mfun_labxf.origin := 0 ; +mfun_labxf.raw := 0 ; + +mfun_labyf := 0.5 ; +mfun_labyf.lft := mfun_labyf.l := 0.5 ; +mfun_labyf.rt := mfun_labyf.r := 0.5 ; +mfun_labyf.bot := mfun_labyf.b := 1 ; +mfun_labyf.top := mfun_labyf.t := 0 ; +mfun_labyf.ulft := mfun_labyf.l_t := mfun_labyf.t_l := 0 ; +mfun_labyf.urt := mfun_labyf.r_t := mfun_labyf.t_r := 0 ; +mfun_labyf.llft := mfun_labyf.l_b := mfun_labyf.b_l := 1 ; +mfun_labyf.lrt := mfun_labyf.r_b := mfun_labyf.b_r := 1 ; + +mfun_labyf.d := mfun_labyf ; +mfun_labyf.dlft := mfun_labyf.lft ; +mfun_labyf.drt := mfun_labyf.rt ; +mfun_labyf.origin := 0 ; +mfun_labyf.raw := 0 ; + +mfun_labtype := 0 ; +mfun_labtype.lft := mfun_labtype.l := 1 ; +mfun_labtype.rt := mfun_labtype.r := 2 ; +mfun_labtype.bot := mfun_labtype.b := 3 ; +mfun_labtype.top := mfun_labtype.t := 4 ; +mfun_labtype.ulft := mfun_labtype.l_t := mfun_labtype.t_l := 5 ; +mfun_labtype.urt := mfun_labtype.r_t := mfun_labtype.t_r := 6 ; +mfun_labtype.llft := mfun_labtype.l_b := mfun_labtype.b_l := 7 ; +mfun_labtype.lrt := mfun_labtype.r_b := mfun_labtype.b_r := 8 ; +mfun_labtype.d := 10 ; +mfun_labtype.dlft := 11 ; +mfun_labtype.drt := 12 ; +mfun_labtype.origin := 0 ; +mfun_labtype.raw := 0 ; + +vardef thetextext@#(expr p,z) = + % interim labeloffset := textextoffset ; + if string p : + thetextext@#(rawtextext(p),z) + else : + p + if (mfun_labtype@# >= 10) : + shifted (0,ypart center p) + fi + shifted (z + textextoffset*mfun_laboff@# - (mfun_labxf@#*lrcorner p + mfun_labyf@#*ulcorner p + (1-mfun_labxf@#-mfun_labyf@#)*llcorner p)) + fi +enddef ; + +vardef textext@#(expr p) = % no draw hers + thetextext@#(p,origin) +enddef ; + +vardef thelabel@#(expr p,z) = + if string p : + thelabel@#(rawtextext("\definedfont[" & defaultfont & "]" & p) scaled defaultscale,z) + else : + p shifted (z + labeloffset*mfun_laboff@# - (mfun_labxf@#*lrcorner p + mfun_labyf@#*ulcorner p + (1-mfun_labxf@#-mfun_labyf@#)*llcorner p)) + fi +enddef; + +def label = % takes two arguments, contrary to textext that takes one + draw thelabel +enddef ; + +vardef anchored@#(expr p, z) = % beware: no "+ mfun_laboff@#" here (never!) + p + if (mfun_labtype@# >= 10) : + shifted (0,ypart center p) + fi + shifted (z + (mfun_labxf@#*lrcorner p + mfun_labyf@#*ulcorner p + (1-mfun_labxf@#-mfun_labyf@#)*llcorner p)) +enddef ; + +let normalinfont = infont ; + +primarydef str infont name = % nasty hack + if name = "" : + textext(str) + else : + textext("\definedfont[" & name & "]" & str) + fi +enddef ; + +% Shades + +newinternal shadefactor ; shadefactor := 1 ; +pair shadeoffset ; shadeoffset := origin ; +boolean trace_shades ; trace_shades := false ; + +def set_linear_vector (suffix a,b)(expr p,n) = + if (n=1) : a := llcorner p ; b := urcorner p ; + elseif (n=2) : a := lrcorner p ; b := ulcorner p ; + elseif (n=3) : a := urcorner p ; b := llcorner p ; + elseif (n=4) : a := ulcorner p ; b := lrcorner p ; + elseif (n=5) : a := .5[ulcorner p,llcorner p] ; b := .5[urcorner p,lrcorner p] ; + elseif (n=6) : a := .5[llcorner p,lrcorner p] ; b := .5[ulcorner p,urcorner p] ; + elseif (n=7) : a := .5[lrcorner p,urcorner p] ; b := .5[llcorner p,ulcorner p] ; + elseif (n=8) : a := .5[urcorner p,ulcorner p] ; b := .5[lrcorner p,llcorner p] ; + else : a := .5[ulcorner p,llcorner p] ; b := .5[urcorner p,lrcorner p] ; + fi ; +enddef ; + +def set_circular_vector (suffix ab, r)(expr p,n) = + if (n=1) : ab := llcorner p ; + elseif (n=2) : ab := lrcorner p ; + elseif (n=3) : ab := urcorner p ; + elseif (n=4) : ab := ulcorner p ; + else : ab := center p ; r := .5r ; + fi ; +enddef ; + +def circular_shade (expr p, n, ca, cb) = + begingroup ; + save ab, r ; pair ab ; numeric r ; + r := (xpart lrcorner p - xpart llcorner p) ++ (ypart urcorner p - ypart lrcorner p) ; + set_circular_vector(ab,r)(p,n) ; + fill p withcircularshade(ab,ab,0,r,ca,cb) ; + if trace_shades : + drawarrow ab -- ab shifted (0,r) withpen pencircle scaled 1pt withcolor .5white ; + fi ; + endgroup ; +enddef ; + +def linear_shade (expr p, n, ca, cb) = + begingroup ; + save a, b, sh ; pair a, b ; + set_linear_vector(a,b)(p,n) ; + fill p withlinearshade(a,b,ca,cb) ; + if trace_shades : + drawarrow a -- b withpen pencircle scaled 1pt withcolor .5white ; + fi ; + endgroup ; +enddef ; + +def withcircularshade (expr a, b, ra, rb, ca, cb) = + withprescript "sh_type=circular" + withprescript "sh_domain=0 1" + withprescript "sh_factor=" & decimal shadefactor + withprescript "sh_color_a=" & colordecimals ca + withprescript "sh_color_b=" & colordecimals cb + withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) + withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) + withprescript "sh_radius_a=" & decimal ra + withprescript "sh_radius_b=" & decimal rb +enddef ; + +def withlinearshade (expr a, b, ca, cb) = + withprescript "sh_type=linear" + withprescript "sh_domain=0 1" + withprescript "sh_factor=" & decimal shadefactor + withprescript "sh_color_a=" & colordecimals ca + withprescript "sh_color_b=" & colordecimals cb + withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) + withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) +enddef ; + +string mfun_defined_cs_pre[] ; numeric mfun_defined_cs ; mfun_defined_cs := 0 ; + +string mfun_prescript_separator ; mfun_prescript_separator := char(13) ; + +vardef define_circular_shade (expr a, b, ra, rb, ca, cb) = + mfun_defined_cs := mfun_defined_cs + 1 ; + mfun_defined_cs_pre[mfun_defined_cs] := "sh_type=circular" + & mfun_prescript_separator & "sh_domain=0 1" + & mfun_prescript_separator & "sh_factor=" & decimal shadefactor + & mfun_prescript_separator & "sh_color_a=" & colordecimals ca + & mfun_prescript_separator & "sh_color_b=" & colordecimals cb + & mfun_prescript_separator & "sh_center_a=" & ddecimal (a shifted shadeoffset) + & mfun_prescript_separator & "sh_center_b=" & ddecimal (b shifted shadeoffset) + & mfun_prescript_separator & "sh_radius_a=" & decimal ra + & mfun_prescript_separator & "sh_radius_b=" & decimal rb + ; + mfun_defined_cs +enddef ; + +vardef define_linear_shade (expr a, b, ca, cb) = + mfun_defined_cs := mfun_defined_cs + 1 ; + mfun_defined_cs_pre[mfun_defined_cs] := "sh_type=linear" + & mfun_prescript_separator & "sh_domain=0 1" + & mfun_prescript_separator & "sh_factor=" & decimal shadefactor + & mfun_prescript_separator & "sh_color_a=" & colordecimals ca + & mfun_prescript_separator & "sh_color_b=" & colordecimals cb + & mfun_prescript_separator & "sh_center_a=" & ddecimal (a shifted shadeoffset) + & mfun_prescript_separator & "sh_center_b=" & ddecimal (b shifted shadeoffset) + ; + mfun_defined_cs +enddef ; + +primarydef p withshade sc = + p withprescript mfun_defined_cs_pre[sc] +enddef ; + + +vardef define_sampled_linear_shade(expr a,b,n)(text t) = + mfun_defined_cs := mfun_defined_cs + 1 ; + mfun_defined_cs_pre[mfun_defined_cs] := "ssh_type=linear" + & mfun_prescript_separator & "ssh_center_a=" & ddecimal (a shifted shadeoffset) + & mfun_prescript_separator & "ssh_center_b=" & ddecimal (b shifted shadeoffset) + & mfun_prescript_separator & "ssh_nofcolors=" & decimal n + & mfun_prescript_separator & "ssh_domain=" & domstr + & mfun_prescript_separator & "ssh_extend=" & extstr + & mfun_prescript_separator & "ssh_colors=" & colstr + & mfun_prescript_separator & "ssh_bounds=" & bndstr + & mfun_prescript_separator & "ssh_ranges=" & ranstr + ; + mfun_defined_cs +enddef ; + +vardef define_sampled_circular_shade(expr a,b,ra,rb,n)(text t) = + mfun_defined_cs := mfun_defined_cs + 1 ; + mfun_defined_cs_pre[mfun_defined_cs] := "ssh_type=circular" + & mfun_prescript_separator & "ssh_center_a=" & ddecimal (a shifted shadeoffset) + & mfun_prescript_separator & "ssh_radius_a=" & decimal ra + & mfun_prescript_separator & "ssh_center_b=" & ddecimal (b shifted shadeoffset) + & mfun_prescript_separator & "ssh_radius_b=" & decimal rb + & mfun_prescript_separator & "ssh_nofcolors=" & decimal n + & mfun_prescript_separator & "ssh_domain=" & domstr + & mfun_prescript_separator & "ssh_extend=" & extstr + & mfun_prescript_separator & "ssh_colors=" & colstr + & mfun_prescript_separator & "ssh_bounds=" & bndstr + & mfun_prescript_separator & "ssh_ranges=" & ranstr + ; + mfun_defined_cs +enddef ; + +% vardef predefined_linear_shade (expr p, n, ca, cb) = +% save a, b, sh ; pair a, b ; +% set_linear_vector(a,b)(p,n) ; +% define_linear_shade (a,b,ca,cb) +% enddef ; +% +% vardef predefined_circular_shade (expr p, n, ca, cb) = +% save ab, r ; pair ab ; numeric r ; +% r := (xpart lrcorner p - xpart llcorner p) ++ (ypart urcorner p - ypart lrcorner p) ; +% set_circular_vector(ab,r)(p,n) ; +% define_circular_shade(ab,ab,0,r,ca,cb) +% enddef ; + +% NEW EXPERIMENTAL CODE + +def withlinearshading (expr a, b) = + withprescript "sh_type=linear" + withprescript "sh_domain=0 1" + withprescript "sh_factor=" & decimal shadefactor + withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) + withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) +enddef ; + +def withcircularshading (expr a, b, ra, rb) = + withprescript "sh_type=circular" + withprescript "sh_domain=0 1" + withprescript "sh_factor=" & decimal shadefactor + withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) + withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) + withprescript "sh_radius_a=" & decimal ra + withprescript "sh_radius_b=" & decimal rb +enddef ; + +def withfromshadecolor expr t = + withprescript "sh_color=into" + withprescript "sh_color_a=" & colordecimals t +enddef ; + +def withtoshadecolor expr t = + withprescript "sh_color=into" + withprescript "sh_color_b=" & colordecimals t +enddef ; + +def withshading (expr how)(text rest) = + if how = "linear" : + withlinearshading(rest) + elseif how = "circular" : + withcircularshading(rest) + else : + % nothing + fi +enddef ; + +primarydef a shadedinto b = + 1 % does not work with transparency + withprescript "sh_color=into" + withprescript "sh_color_a=" & colordecimals a + withprescript "sh_color_b=" & colordecimals b +enddef ; + +% Layers + +def onlayer primary name = + withprescript "la_name=" & name +enddef ; + +% Figures + +% def externalfigure primary filename = +% doexternalfigure (filename) +% enddef ; +% +% def doexternalfigure (expr filename) text transformation = +% if true : % a bit incompatible esp scaled 1cm now scaled the natural size +% draw rawtextext("\externalfigure[" & filename & "]") transformation ; +% else : +% draw unitsquare transformation withprescript "fg_name=" & filename ; +% fi ; +% enddef ; + +def withmask primary filename = + withprescript "fg_mask=" & filename +enddef ; + +def externalfigure primary filename = + if false : + rawtextext("\externalfigure[" & filename & "]") + else : + image ( + addto currentpicture doublepath unitsquare + withprescript "fg_name=" & filename ; + ) +% unitsquare +% withpen pencircle scaled 0 +% withprescript "fg_name=" & filename + fi +enddef ; + +def figure primary filename = + rawtextext("\externalfigure[" & filename & "]") +enddef ; + +% Positions + +def register (expr label, width, height, offset) = +% draw image ( + addto currentpicture doublepath unitsquare xscaled width yscaled height shifted offset + withprescript "ps_label=" & label ; +% ) ; % no transformations +enddef ; + +% Housekeeping + +extra_beginfig := extra_beginfig & "currentgraphictext := 0 ; " ; +extra_endfig := extra_endfig & "finishsavingdata ; " ; +extra_endfig := extra_endfig & "mfun_reset_tex_texts ; " ; + +% Bonus + +vardef verbatim(expr str) = + ditto & "\detokenize{" & str & "}" & ditto +enddef ; + +% New + +def bitmapimage(expr xresolution, yresolution, data) = + image ( + addto currentpicture doublepath unitsquare + withprescript "bm_xresolution=" & decimal xresolution + withprescript "bm_yresolution=" & decimal yresolution + withpostscript data ; + ) +enddef ; + +% TODO: + +let property = picture ; + +vardef properties(text t) = + image(draw unitcircle t) +enddef ; + +def withproperties expr p = + if colormodel p = 3 : + withcolor greypart p + elseif colormodel p = 5 : + withcolor (redpart p,greenpart p,bluepart p) + elseif colormodel p = 7 : + withcolor (cyanpart p,magentapart p,yellowpart p,blackpart p) + fi + % todo, when available in mp: + % + % withprescript prescript p + % withpostscript postscript p + % + % todo, penpart +enddef ; + +% property p ; p = properties(withcolor (1,1,0,1)) ; +% fill fullcircle scaled 20cm withproperties p ; + +% Experimental: + +primarydef t asgroup s = % s = isolated|knockout + begingroup + save grouppicture, wrappedpicture, groupbounds ; + picture grouppicture, wrappedpicture ; path groupbounds ; + grouppicture := if picture t : t else : image(draw t) fi ; + groupbounds := boundingbox grouppicture ; + wrappedpicture:= nullpicture ; + addto wrappedpicture contour groupbounds + withprescript "gr_state=start" + withprescript "gr_type=" & s + withprescript "gr_llx=" & decimal xpart llcorner groupbounds + withprescript "gr_lly=" & decimal ypart llcorner groupbounds + withprescript "gr_urx=" & decimal xpart urcorner groupbounds + withprescript "gr_ury=" & decimal ypart urcorner groupbounds ; + addto wrappedpicture also grouppicture ; + addto wrappedpicture contour groupbounds + withprescript "gr_state=stop" ; + wrappedpicture + endgroup +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-page.mp b/Master/texmf-dist/metapost/context/base/mp-page.mpii index 59d8bccbcd7..c7542a5f989 100644 --- a/Master/texmf-dist/metapost/context/base/mp-page.mp +++ b/Master/texmf-dist/metapost/context/base/mp-page.mpii @@ -14,8 +14,7 @@ %D This module is rather preliminary and subjected to %D changes. -if unknown context_tool : input mp-tool ; fi ; -if known context_page : endinput ; fi ; +if known context_page : endinput ; fi ; boolean context_page ; context_page := true ; @@ -402,6 +401,8 @@ enddef ; def StartPage = + begingroup ; + if PageStateAvailable : LoadPageState ; SwapPageState ; @@ -416,6 +417,8 @@ def StopPage = BoundPageAreas ; + endgroup ; + enddef ; def OverlayBox = @@ -475,4 +478,182 @@ def position_anchor_bar(expr p_b_self, p_e_self, y_b_self, y_e_self, h_b_self, d StopPage ; enddef ; -endinput ; +% Crop stuff + +vardef crop_marks_lines (expr box, length, offset, nx, ny) = + save p ; picture p ; save w, h, x, y ; numeric w, h, x, y ; + p := image ( + x := if nx = 0 : 1 else : nx - 1 fi ; + y := if ny = 0 : 1 else : ny - 1 fi ; + w := bbwidth (box) / x ; + h := bbheight(box) / y ; + for i=0 upto y : + draw ((llcorner box) -- (llcorner box) shifted (-length,0)) shifted (-offset,i*h) ; + draw ((lrcorner box) -- (lrcorner box) shifted ( length,0)) shifted ( offset,i*h) ; + endfor ; + for i=0 upto x : + draw ((llcorner box) -- (llcorner box) shifted (0,-length)) shifted (i*w,-offset) ; + draw ((ulcorner box) -- (ulcorner box) shifted (0, length)) shifted (i*w, offset) ; + endfor ; + ) ; + setbounds p to box ; + p +enddef ; + +vardef crop_marks_cmyk = + save p ; picture p ; p := image ( + fill ulcircle scaled 12.5 withcolor (1,0,0,0) ; + fill urcircle scaled 12.5 withcolor (0,1,0,0) ; + fill lrcircle scaled 12.5 withcolor (0,0,1,0) ; + fill llcircle scaled 12.5 withcolor (0,0,0,1) ; + draw (-10,0) -- (10,0) ; + draw (0,-10) -- (0,10) ; + draw fullcircle scaled 12.5 ; + ) ; + setbounds p to fullsquare scaled 20 ; + p +enddef ; + +vardef crop_marks_gray = + save p ; picture p ; p := image ( + fill ulcircle scaled 12.5 withcolor (0.00) ; + fill urcircle scaled 12.5 withcolor (0.25) ; + fill lrcircle scaled 12.5 withcolor (0.50) ; + fill llcircle scaled 12.5 withcolor (0.75) ; + draw (-10,0) -- (10,0) ; + draw (0,-10) -- (0,10) ; + draw (-6,0) -- (6,0) withcolor white ; + draw (0,-6) -- (0,6) withcolor white ; + draw fullcircle scaled 12.5 ; + ) ; + setbounds p to fullsquare scaled 20 ; + p +enddef ; + +vardef crop_marks_cmykrgb = + save p ; picture p ; p := image ( + fill ulcircle scaled 15 withcolor (1,0,0) ; + fill urcircle scaled 15 withcolor (0,1,0) ; + fill lrcircle scaled 15 withcolor (0,0,1) ; + fill llcircle scaled 15 withcolor (.5,.5,.5) ; + fill ulcircle scaled 10 withcolor (1,0,0,0) ; + fill urcircle scaled 10 withcolor (0,1,0,0) ; + fill lrcircle scaled 10 withcolor (0,0,1,0) ; + fill llcircle scaled 10 withcolor (0,0,0,1) ; + draw (-10,0) -- (10,0) ; + draw (0,-10) -- (0,10) ; + draw fullcircle scaled 10 ; + draw fullcircle scaled 15 ; + ) ; + setbounds p to fullsquare scaled 20 ; + p +enddef ; + +vardef crop_color(expr c, h, w, dx, dy, ts) = + image ( + save p ; path p ; + for i=1 upto 6 : + p := fullsquare + xscaled w + yscaled h + shifted (dx,dy-i*h) ; + fill p + withcolor (crop_colors[i]*c) ; + draw textext("\format{'@0.2f'," & decimal crop_colors[i] & "}") + scaled ts + shifted center p withcolor white ; + endfor ; + ) +enddef ; + +vardef crop_gray(expr c, h, w, dx, dy, ts) = + image ( + save p ; path p ; + for i=.05 step .05 until 1 : + p := fullsquare + xscaled w + yscaled h + shifted (20*(i-1)*w+dx,dy) ; + fill p + withcolor (i*c) ; + draw textext("\format{'@0.2f'," & decimal i & "}") + scaled ts + shifted center p withcolor white ; + endfor ; + ) +enddef ; + +% draw crop_marks_cmyk shifted llcorner more ; +% draw crop_marks_cmyk shifted lrcorner more ; +% draw crop_marks_cmyk shifted ulcorner more ; +% draw crop_marks_cmyk shifted urcorner more ; + +def page_marks_add_color(expr width, height, length, offset) = % todo: namespace + + path page ; page := fullsquare xscaled width yscaled height ; + path more ; more := page enlarged (offset+length/2,offset+length/2) ; + + numeric crop_colors[] ; + crop_colors[1] := 1 ; + crop_colors[2] := 0.95 ; + crop_colors[3] := 0.75 ; + crop_colors[4] := 0.50 ; + crop_colors[5] := 0.25 ; + crop_colors[6] := 0.05 ; + + numeric h ; h := height / 20 ; + numeric w ; w := width / 20 ; + numeric d ; d := offset + length/2 ; + + draw crop_color((1,0,0,0),h,length,xpart ulcorner page - d, 10h,length/20) ; + draw crop_color((0,1,0,0),h,length,xpart ulcorner page - d,3.5h,length/20) ; + draw crop_color((0,0,1,0),h,length,xpart ulcorner page - d, -3h,length/20) ; + + draw crop_color((0,1,1,0),h,length,xpart urcorner page + d, 10h,length/20) ; + draw crop_color((1,0,1,0),h,length,xpart urcorner page + d,3.5h,length/20) ; + draw crop_color((1,1,0,0),h,length,xpart urcorner page + d, -3h,length/20) ; + + draw crop_gray((0,0,0,1),length, w,-xpart llcorner page,-ypart llcorner page + d ,w/20) ; + draw crop_gray((1,0,0,0),length/3,w,-xpart llcorner page, ypart llcorner page - d + 1length/3,w/20) ; + draw crop_gray((0,1,0,0),length/3,w,-xpart llcorner page, ypart llcorner page - d - 0length/3,w/20) ; + draw crop_gray((0,0,1,0),length/3,w,-xpart llcorner page, ypart llcorner page - d - 1length/3,w/20) ; + + setbounds currentpicture to page ; + +enddef ; + +def page_marks_add_marking(expr width, height, length, offset) = % todo: namespace + + path page ; page := fullsquare xscaled width yscaled height ; + path more ; more := page enlarged (offset+length/2,offset+length/2) ; + + draw crop_marks_gray shifted center(topboundary more) shifted (0, offset+length); + draw crop_marks_cmyk shifted center(bottomboundary more) shifted (0,-offset-length); + + setbounds currentpicture to page ; + +enddef ; + +def page_marks_add_lines(expr width, height, length, offset, nx, ny) = % todo: namespace + + path page ; page := fullsquare xscaled width yscaled height ; + path more ; more := page enlarged (offset+length/2,offset+length/2) ; + + draw crop_marks_lines(page,length,offset,nx,ny) ; + + setbounds currentpicture to page ; + +enddef ; + +def page_marks_add_number(expr width, height, length, offset, n) = % todo: namespace + + path page ; page := fullsquare xscaled width yscaled height ; + path more ; more := page enlarged (offset+length/2,offset+length/2) ; + + for s=llcorner more, lrcorner more, ulcorner more, urcorner more : + draw textext(decimal n) shifted s ; + endfor ; + + setbounds currentpicture to page ; + +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-page.mpiv b/Master/texmf-dist/metapost/context/base/mp-page.mpiv new file mode 100644 index 00000000000..bb8218be5d3 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-page.mpiv @@ -0,0 +1,322 @@ +%D \module +%D [ file=mp-page.mp, +%D version=1999.03.10, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=page enhancements, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +%D This module is rather preliminary and subjected to +%D changes. + +if known context_page : endinput ; fi ; + +boolean context_page ; context_page := true ; + +if unknown PageStateAvailable : + boolean PageStateAvailable ; + PageStateAvailable := false ; +fi ; + +if unknown OnRightPage : + boolean OnRightPage ; + OnRightPage := true ; +fi ; + +if unknown OnOddPage : + boolean OnOddPage ; + OnOddPage := true ; +fi ; + +if unknown InPageBody : + boolean InPageBody ; + InPageBody := false ; +fi ; + +string CurrentLayout ; + +CurrentLayout := "default" ; + +PageNumber := 0 ; +PaperHeight := 845.04684pt ; +PaperWidth := 597.50787pt ; +PrintPaperHeight := 845.04684pt ; +PrintPaperWidth := 597.50787pt ; +TopSpace := 71.12546pt ; +BottomSpace := 0.0pt ; +BackSpace := 71.13275pt ; +CutSpace := 0.0pt ; +MakeupHeight := 711.3191pt ; +MakeupWidth := 426.78743pt ; +TopHeight := 0.0pt ; +TopDistance := 0.0pt ; +HeaderHeight := 56.90294pt ; +HeaderDistance := 0.0pt ; +TextHeight := 597.51323pt ; +FooterDistance := 0.0pt ; +FooterHeight := 56.90294pt ; +BottomDistance := 0.0pt ; +BottomHeight := 0.0pt ; +LeftEdgeWidth := 0.0pt ; +LeftEdgeDistance := 0.0pt ; +LeftMarginWidth := 75.58197pt ; +LeftMarginDistance := 11.99829pt ; +TextWidth := 426.78743pt ; +RightMarginDistance := 11.99829pt ; +RightMarginWidth := 75.58197pt ; +RightEdgeDistance := 0.0pt ; +RightEdgeWidth := 0.0pt ; + +PageOffset := 0.0pt ; +PageDepth := 0.0pt ; + +LayoutColumns := 0 ; +LayoutColumnDistance:= 0.0pt ; +LayoutColumnWidth := 0.0pt ; + +LeftEdge := -4 ; Top := -40 ; +LeftEdgeSeparator := -3 ; TopSeparator := -30 ; +LeftMargin := -2 ; Header := -20 ; +LeftMarginSeparator := -1 ; HeaderSeparator := -10 ; +Text := 0 ; Text := 0 ; +RightMarginSeparator := +1 ; FooterSeparator := +10 ; +RightMargin := +2 ; Footer := +20 ; +RightEdgeSeparator := +3 ; BottomSeparator := +30 ; +RightEdge := +4 ; Bottom := +40 ; + +Margin := LeftMargin ; % obsolete +Edge := LeftEdge ; % obsolete +InnerMargin := RightMargin ; % obsolete +InnerEdge := RightEdge ; % obsolete +OuterMargin := LeftMargin ; % obsolete +OuterEdge := LeftEdge ; % obsolete + +InnerMarginWidth := 0pt ; +OuterMarginWidth := 0pt ; +InnerMarginDistance := 0pt ; +OuterMarginDistance := 0pt ; + +InnerEdgeWidth := 0pt ; +OuterEdgeWidth := 0pt ; +InnerEdgeDistance := 0pt ; +OuterEdgeDistance := 0pt ; + +path Area [][] ; pair Location [][] ; path Field [][] ; path Page ; +numeric HorPos ; numeric Hstep [] ; numeric Hsize [] ; +numeric VerPos ; numeric Vstep [] ; numeric Vsize [] ; + +for VerPos=Top step 10 until Bottom: + for HorPos=LeftEdge step 1 until RightEdge: + Area[HorPos][VerPos] := origin--cycle ; + Area[VerPos][HorPos] := Area[HorPos][VerPos] ; + Location[HorPos][VerPos] := origin ; + Location[VerPos][HorPos] := Location[HorPos][VerPos] ; + Field[HorPos][VerPos] := origin--cycle ; + Field[VerPos][HorPos] := Field[HorPos][VerPos] ; + endfor ; +endfor ; + +% def LoadPageState = +% scantokens "input mp-state.tmp" ; +% enddef ; + +def SwapPageState = + if not OnRightPage : + BackSpace := PaperWidth-MakeupWidth-BackSpace ; + CutSpace := PaperWidth-MakeupWidth-CutSpace ; + i := LeftMarginWidth ; + LeftMarginWidth := RightMarginWidth ; + RightMarginWidth := i ; + i := LeftMarginDistance ; + LeftMarginDistance := RightMarginDistance ; + RightMarginDistance := i ; + i := LeftEdgeWidth ; + LeftEdgeWidth := RightEdgeWidth ; + RightEdgeWidth := i ; + i := LeftEdgeDistance ; + LeftEdgeDistance := RightEdgeDistance ; + RightEdgeDistance := i ; + + % these are now available as ..Width and ..Distance + + Margin := LeftMargin ; + Edge := LeftEdge ; + InnerMargin := RightMargin ; + InnerEdge := RightEdge ; + OuterMargin := LeftMargin ; + OuterEdge := LeftEdge ; + else : + Margin := RightMargin ; + Edge := RightEdge ; + InnerMargin := LeftMargin ; + InnerEdge := LeftEdge ; + OuterMargin := RightMargin ; + OuterEdge := RightEdge ; + fi ; +enddef ; + +def SetPageAreas = + + numeric Vsize[], Hsize[], Vstep[], Hstep[] ; + + Vsize[Top] = TopHeight ; + Vsize[TopSeparator] = TopDistance ; + Vsize[Header] = HeaderHeight ; + Vsize[HeaderSeparator] = HeaderDistance ; + Vsize[Text] = TextHeight ; + Vsize[FooterSeparator] = FooterDistance ; + Vsize[Footer] = FooterHeight ; + Vsize[BottomSeparator] = BottomDistance ; + Vsize[Bottom] = BottomHeight ; + + Vstep[Top] = Vstep[TopSeparator] +Vsize[TopSeparator] ; + Vstep[TopSeparator] = PaperHeight-TopSpace ; + Vstep[Header] = Vstep[TopSeparator] -Vsize[Header] ; + Vstep[HeaderSeparator] = Vstep[Header] -Vsize[HeaderSeparator] ; + Vstep[Text] = Vstep[HeaderSeparator]-Vsize[Text] ; + Vstep[FooterSeparator] = Vstep[Text] -Vsize[FooterSeparator] ; + Vstep[Footer] = Vstep[FooterSeparator]-Vsize[Footer] ; + Vstep[BottomSeparator] = Vstep[Footer] -Vsize[BottomSeparator] ; + Vstep[Bottom] = Vstep[BottomSeparator]-Vsize[Bottom] ; + + Hsize[LeftEdge] = LeftEdgeWidth ; + Hsize[LeftEdgeSeparator] = LeftEdgeDistance ; + Hsize[LeftMargin] = LeftMarginWidth ; + Hsize[LeftMarginSeparator] = LeftMarginDistance ; + Hsize[Text] = MakeupWidth ; + Hsize[RightMarginSeparator] = RightMarginDistance ; + Hsize[RightMargin] = RightMarginWidth ; + Hsize[RightEdgeSeparator] = RightEdgeDistance ; + Hsize[RightEdge] = RightEdgeWidth ; + + Hstep[LeftEdge] = Hstep[LeftEdgeSeparator] -Hsize[LeftEdge] ; + Hstep[LeftEdgeSeparator] = Hstep[LeftMargin] -Hsize[LeftEdgeSeparator] ; + Hstep[LeftMargin] = Hstep[LeftMarginSeparator] -Hsize[LeftMargin] ; + Hstep[LeftMarginSeparator] = Hstep[Text] -Hsize[LeftMarginSeparator] ; + Hstep[Text] = BackSpace ; + Hstep[RightMarginSeparator] = Hstep[Text] +Hsize[Text] ; + Hstep[RightMargin] = Hstep[RightMarginSeparator]+Hsize[RightMarginSeparator] ; + Hstep[RightEdgeSeparator] = Hstep[RightMargin] +Hsize[RightMargin] ; + Hstep[RightEdge] = Hstep[RightEdgeSeparator] +Hsize[RightEdgeSeparator] ; + + for VerPos=Top step 10 until Bottom: + for HorPos=LeftEdge step 1 until RightEdge: + Area[HorPos][VerPos] := unitsquare xscaled Hsize[HorPos] yscaled Vsize[VerPos] ; + Area[VerPos][HorPos] := Area[HorPos][VerPos] ; + Location[HorPos][VerPos] := (Hstep[HorPos],Vstep[VerPos]) ; + Location[VerPos][HorPos] := Location[HorPos][VerPos] ; + Field[HorPos][VerPos] := Area[HorPos][VerPos] shifted Location[HorPos][VerPos] ; + Field[VerPos][HorPos] := Field[HorPos][VerPos] ; + endfor ; + endfor ; + + Page := unitsquare xscaled PaperWidth yscaled PaperHeight ; + +enddef ; + +def BoundPageAreas = + % pickup pencircle scaled 0pt ; + bboxmargin := 0 ; setbounds currentpicture to Page ; +enddef ; + +def StartPage = + begingroup ; + if PageStateAvailable : + LoadPageState ; + SwapPageState ; + fi ; + SetPageAreas ; + BoundPageAreas ; +enddef ; + +def StopPage = + BoundPageAreas ; + endgroup ; +enddef ; + +% cover pages + +def BoundCoverAreas = + % todo: add cropmarks + bboxmargin := 0 ; setbounds currentpicture to Paper enlarged PaperBleed ; +enddef ; + +def SetCoverAreas = + + if unknown SpineWidth : + SpineWidth := 8mm ; + fi ; + + if unknown PaperBleed : + PaperBleed := 0 ; + fi ; + + FrontPageWidth := PaperWidth ; + BackPageWidth := PaperWidth ; + PaperWidth := 2 * PaperWidth + SpineWidth ; + + FrontPageHeight := PaperHeight ; + BackPageHeight := PaperHeight ; + PaperHeight := PaperHeight ; + SpineHeight := PaperHeight ; + + path Paper ; Paper := unitsquare xscaled PaperWidth yscaled PaperHeight ; + path Spine ; Spine := unitsquare xscaled SpineWidth yscaled PaperHeight shifted (BackPageWidth,0); + path BackPage ; BackPage := unitsquare xscaled BackPageWidth yscaled PaperHeight ; + path FrontPage ; FrontPage := unitsquare xscaled FrontPageWidth yscaled PaperHeight shifted (BackPageWidth+SpineWidth,0) ; + +enddef ; + + +def StartCover = + begingroup ; + if PageStateAvailable : + LoadPageState ; + % SwapPageState ; + fi ; + SetPageAreas ; + SetCoverAreas ; + BoundCoverAreas ; +enddef ; + +def StopCover = + BoundCoverAreas ; + endgroup ; +enddef ; + +% overlays: + +def OverlayBox = + (unitsquare xyscaled (OverlayWidth,OverlayHeight)) +enddef ; + +% handy + +def innerenlarged = + hide(LoadPageState) + if OnRightPage : leftenlarged else : rightenlarged fi +enddef ; + +def outerenlarged = + hide(LoadPageState) + if OnRightPage : rightenlarged else : leftenlarged fi +enddef ; + +% obsolete + +def llEnlarged (expr p,d) = (llcorner p shifted (-d,-d)) enddef ; +def lrEnlarged (expr p,d) = (lrcorner p shifted (+d,-d)) enddef ; +def urEnlarged (expr p,d) = (urcorner p shifted (+d,+d)) enddef ; +def ulEnlarged (expr p,d) = (ulcorner p shifted (-d,+d)) enddef ; + +def Enlarged (expr p, d) = + (llEnlarged (p,d) -- + lrEnlarged (p,d) -- + urEnlarged (p,d) -- + ulEnlarged (p,d) -- cycle) +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-shap.mp b/Master/texmf-dist/metapost/context/base/mp-shap.mp deleted file mode 100644 index 0f5fe431d99..00000000000 --- a/Master/texmf-dist/metapost/context/base/mp-shap.mp +++ /dev/null @@ -1,307 +0,0 @@ -%D \module -%D [ file=mp-shap.mp, -%D version=2000.05.31, -%D title=\CONTEXT\ \METAPOST\ graphics, -%D subtitle=shapes, -%D author=Hans Hagen, -%D date=\currentdate, -%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] -%C -%C This module is part of the \CONTEXT\ macro||package and is -%C therefore copyrighted by \PRAGMA. See licen-en.pdf for -%C details. - -if unknown context_tool : input mp-tool ; fi ; -if known context_shap : endinput ; fi ; - -boolean context_shap ; context_shap := true ; - -vardef some_shape_path (expr type) = - - begingroup ; - - save border, xradius, yradius, - normal, mirror, rotate, - lc, rc, tc, bc, ll, lr, ur, ul, - llx, lrx, urx, ulx, lly, lry, ury, uly ; - - path border ; - - xradius := .15 ; xxradius := .10 ; - yradius := .15 ; yyradius := .10 ; - - pair ll ; ll := llcorner (unitsquare shifted (-.5,-.5)) ; - pair lr ; lr := lrcorner (unitsquare shifted (-.5,-.5)) ; - pair ur ; ur := urcorner (unitsquare shifted (-.5,-.5)) ; - pair ul ; ul := ulcorner (unitsquare shifted (-.5,-.5)) ; - - pair llx ; llx := ll shifted (xradius,0) ; - pair lly ; lly := ll shifted (0,yradius) ; - - pair lrx ; lrx := lr shifted (-xradius,0) ; - pair lry ; lry := lr shifted (0,yradius) ; - - pair urx ; urx := ur shifted (-xradius,0) ; - pair ury ; ury := ur shifted (0,-yradius) ; - - pair ulx ; ulx := ul shifted (xradius,0) ; - pair uly ; uly := ul shifted (0,-yradius) ; - - pair llxx ; llxx := ll shifted (xxradius,0) ; - pair llyy ; llyy := ll shifted (0,yyradius) ; - - pair lrxx ; lrxx := lr shifted (-xxradius,0) ; - pair lryy ; lryy := lr shifted (0,yyradius) ; - - pair urxx ; urxx := ur shifted (-xxradius,0) ; - pair uryy ; uryy := ur shifted (0,-yyradius) ; - - pair ulxx ; ulxx := ul shifted (xxradius,0) ; - pair ulyy ; ulyy := ul shifted (0,-yyradius) ; - - pair lc ; lc := ll shifted (0,.5) ; - pair rc ; rc := lr shifted (0,.5) ; - pair tc ; tc := ul shifted (.5,0) ; - pair bc ; bc := ll shifted (.5,0) ; - - def mirror (expr p) = - p rotatedaround(origin,180) - enddef ; - - def normal (expr p ) = - p - enddef ; - - def rotate (expr p) = - p rotated 45 - enddef ; - - if type= 0 : - border := normal (origin--cycle) ; - - elseif type= 5 : - border := normal (llx--lrx{right}...rc...{left}urx--ulx{left}...lc...{right}cycle) ; - elseif type= 6 : - border := normal (ll--lrx{right}...rc...{left}urx--ul--cycle) ; - elseif type= 7 : - border := mirror (ll--lrx{right}...rc...{left}urx--ul--cycle) ; - elseif type= 8 : - border := normal (lr--ury{up}...tc...{down}uly--ll--cycle) ; - elseif type= 9 : - border := mirror (lr--ury{up}...tc...{down}uly--ll--cycle) ; - elseif type=10 : - border := normal (ll--lr--ur--ul--ll--ur--ul--ll--cycle) ; - elseif type=11 : - border := normal (ll--lr--ur--ul--ll--lr--ul--ll--cycle) ; - elseif type=12 : - border := normal (ll--lrx--ur--ulx--cycle) ; - elseif type=13 : - border := normal (llx--lr--urx--ul--cycle) ; - elseif type=14 : - border := normal (lly--bc--lry--ury--tc--uly--cycle) ; - elseif type=15 : - border := normal (llx--lrx--rc--urx--ulx--lc--cycle) ; - elseif type=16 : - border := normal (ll--lrx--rc--urx--ul--cycle) ; - elseif type=17 : - border := mirror (ll--lrx--rc--urx--ul--cycle) ; - elseif type=18 : - border := normal (lr--ury--tc--uly--ll--cycle) ; - elseif type=19 : - border := mirror (lr--ury--tc--uly--ll--cycle) ; - elseif type=20 : - border := normal (ll--lr--ur--ul--ll--llxx--ulxx--ul--ll-- - lr--ur--urxx--lrxx--cycle) ; - elseif type=21 : - border := normal (ul--ll--lr--ur--ul--ulyy--uryy--ur--ul-- - ll--lr--lryy--llyy--cycle) ; - elseif type=22 : - border := normal (ll--lrx--lry--ur--ulx--uly--cycle) ; - elseif type=23 : - border := normal (llx--lr--ury--urx--ul--lly--cycle) ; - elseif type=24 : - border := normal (ll--lr--ur--ul--cycle) ; - elseif type=25 : - border := normal (llx--lrx--lry--ury--urx--ulx--uly--lly--cycle) ; - elseif type=26 : - border := normal (ll--lrx--lry--ur--ul--cycle) ; - elseif type=27 : - border := mirror (ll--lr--ury--urx--ul--cycle) ; - elseif type=28 : - border := normal (ll--lr--ury--urx--ul--cycle) ; - elseif type=29 : - border := mirror (ll--lrx--lry--ur--ul--cycle) ; - elseif type=30 : - border := rotate (bc{right}...{up}rc...tc{left}...{down}lc...{right}bc & - bc--tc & tc{left}..{down}lc & lc--rc & - rc{up}..tc{left}...{down}lc...{right}bc & cycle) ; - elseif type=31 : - border := normal (bc{right}...{up}rc...tc{left}...{down}lc...{right}bc & - bc--tc & tc{left}..{down}lc & lc--rc & - rc{up}..tc{left}...{down}lc...{right}bc & cycle) ; - elseif type=32 : - border := normal (ll{right}...{right}lry--ur--ul--ll--cycle) ; - elseif type=33 : - border := normal (ll{right}...{right}lry--ur--ul--ll--cycle - --ul--ulx--ulx shifted(0,yyradius) - --ur shifted(yyradius,yyradius) - --lry shifted(yyradius,yyradius) - --lry shifted(0,yyradius) - --ur--ul--cycle ) ; - elseif type=34 : - border := normal (uly..tc..ury & - ury..tc shifted (0,-2yradius)..uly & - uly--lly & - lly..bc..lry & - lry--ury & - ury..tc shifted (0,-2yradius)..uly & cycle ) ; - elseif type=35 : - border := normal (bc{right}...rc{up}...tc{left}...lc{down}...cycle) ; - elseif type=36 : - border := normal (ul--tc{right}..rc{down}..{left}bc--ll & - ll..(xpart llx, ypart lc)..ul & cycle) ; - elseif type=37 : - border := mirror (ul--tc{right}..rc{down}..{left}bc--ll & - ll..(xpart llx, ypart lc)..ul & cycle) ; - elseif type=38 : - border := normal (ll--lc{up}..tc{right}..{down}rc--lr & - lr..(xpart bc, ypart lly)..ll & cycle) ; - elseif type=39 : - border := mirror (ll--lc{up}..tc{right}..{down}rc--lr & - lr..(xpart bc, ypart lly)..ll & cycle) ; - elseif type=40 : - border := normal (ll--lr--ur--ul--ll--ur--ul--ll--lr--ul--ll--cycle) ; - elseif type=41 : - border := normal (ll--lr--ur--ul--ll--lr--rc--lc--ll--bc--tc--ul--ll & cycle) ; - elseif type=42 : - border := normal (ll--lr--origin shifted (+epsilon,0)-- - ur--ul--origin shifted (-epsilon,0)--cycle) ; - elseif type=43 : - border := normal (ll--ul--origin shifted (0,+epsilon)-- - ur--lr--origin shifted (0,-epsilon)--cycle) ; - elseif type=45 : - border := normal (bc--rc--tc--lc--cycle) ; - elseif type=46 : - border := normal (ll--ul--rc--cycle) ; - elseif type=47 : - border := mirror (ll--ul--rc--cycle) ; - elseif type=48 : - border := mirror (ul--ur--bc--cycle) ; - elseif type=49 : - border := normal (ul--ur--bc--cycle) ; - - elseif type=56 : - border := normal (ll--lry--ury--ul--cycle) ; - elseif type=57 : - border := mirror (ll--lry--ury--ul--cycle) ; - elseif type=58 : - border := normal (ll--ulx--urx--lr--cycle) ; - elseif type=59 : - border := mirror (ll--ulx--urx--lr--cycle) ; - - elseif type=61 : - border := normal (fullcircle scaled (1.5*yradius) xscaled (grid_height/grid_width)) ; - elseif type=62 : - border := normal (fullcircle scaled (2.0*yradius) xscaled (grid_height/grid_width)) ; - - elseif type=66 : - border := normal (rc--origin shifted ( epsilon,0) --cycle & - rc--origin --cycle ) ; - elseif type=67 : - border := normal (lc--origin shifted (-epsilon,0) --cycle & - lc--origin --cycle ) ; - elseif type=68 : - border := normal (tc--origin shifted (0, epsilon) --cycle & - tc--origin --cycle ) ; - elseif type=69 : - border := normal (bc--origin shifted (0,-epsilon) --cycle & - bc--origin --cycle ) ; - - elseif type=75 : - border := mirror (lly--lry--ury--uly--cycle) ; - elseif type=76 : - border := mirror (ll--lr--ur--uly--cycle) ; - elseif type=77 : - border := mirror (ll--lr--ury--ul--cycle) ; - elseif type=78 : - border := mirror (lly--lr--ur--ul--cycle) ; - elseif type=79 : - border := mirror (ll--lry--ur--ul--cycle) ; - - else : - border := normal (origin--cycle) ; - %border := normal (ll--lr--ur--ul--cycle) ; - fi ; - - border - - endgroup - -enddef; - -def some_shape ( expr shape_type , - shape_width , - shape_height , - shape_linewidth , - shape_linecolor , - shape_fillcolor ) = - - path p ; p := - some_shape_path (shape_type) - xscaled shape_width - yscaled shape_height ; - - pickup pencircle scaled shape_linewidth ; - - fill p withcolor shape_fillcolor ; - draw p withcolor shape_linecolor ; - -enddef ; - -vardef drawshape (expr t, p, lw, lc, fc) = - save pp ; - if t>1 : % normal shape - path pp ; - pp := some_shape_path(t) xyscaled(bbwidth(p), bbheight(p)) shifted center p ; - fill pp withcolor fc ; - draw pp withpen pencircle scaled lw withcolor lc ; - elseif t=1 : % background only - path pp ; - pp := fullsquare xyscaled(bbwidth(p), bbheight(p)) shifted center p ; - fill pp withcolor fc ; - else : % dimensions only - picture pp ; pp := nullpicture ; - setbounds pp to fullsquare xyscaled(bbwidth(p), bbheight(p)) shifted center p ; - draw pp ; - fi ; -enddef ; - -vardef drawline (expr t, p, lw, lc) = - if (t>0) and (length(p)>1) : - saveoptions ; - drawoptions(withpen pencircle scaled lw withcolor lc) ; - draw p ; - if t = 1 : - draw arrowheadonpath(p,1) ; - elseif t = 2 : - draw arrowheadonpath(reverse p,1) ; - elseif t = 3 : - for $ = p,reverse p : draw arrowheadonpath($,1) ; endfor ; - elseif t = 11 : - draw arrowheadonpath(p,1/2) ; - elseif t = 12 : - draw arrowheadonpath(reverse p,1/2) ; - elseif t = 13 : - for $=p,reverse p : draw arrowheadonpath($,1) ; endfor ; - for $=p,reverse p : draw arrowheadonpath($,3/4) ; endfor ; - elseif t = 21 : - for $=1/5,1/2,4/5 : draw arrowheadonpath(p,$) ; endfor ; - elseif t = 22 : - for $=1/5,1/2,4/5 : draw arrowheadonpath(reverse p,$) ; endfor ; - elseif t = 23 : - for $=p,reverse p : draw arrowheadonpath($,1/4) ; endfor ; - fi ; - fi ; -enddef ; - -endinput ; diff --git a/Master/texmf-dist/metapost/context/base/mp-shap.mpii b/Master/texmf-dist/metapost/context/base/mp-shap.mpii new file mode 100644 index 00000000000..2915069976e --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-shap.mpii @@ -0,0 +1,206 @@ +%D \module +%D [ file=mp-shap.mp, +%D version=2000.05.31, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=shapes, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +if known context_shap : endinput ; fi ; + +boolean context_shap ; context_shap := true ; + +path predefined_shapes[] ; + +begingroup ; + +save xradius, yradius, xxradius, yyradius ; +save ll, lr, ur, ul, llx, lly, lrx, lry, urx, ury, ulx, uly, llxx, llyy, lrxx, lryy, urxx, uryy, ulxx, ulyy, lc, rc, tc, bc ; + +numeric xradius, yradius, xxradius, yyradius ; +pair ll, lr, ur, ul, llx, lly, lrx, lry, urx, ury, ulx, uly, llxx, llyy, lrxx, lryy, urxx, uryy, ulxx, ulyy, lc, rc, tc, bc ; + +xradius := .15 ; +yradius := .15 ; +xxradius := .10 ; +yyradius := .10 ; + +ll := llcorner (unitsquare shifted (-.5,-.5)) ; +lr := lrcorner (unitsquare shifted (-.5,-.5)) ; +ur := urcorner (unitsquare shifted (-.5,-.5)) ; +ul := ulcorner (unitsquare shifted (-.5,-.5)) ; + +llx := ll shifted (xradius,0) ; +lly := ll shifted (0,yradius) ; + +lrx := lr shifted (-xradius,0) ; +lry := lr shifted (0,yradius) ; + +urx := ur shifted (-xradius,0) ; +ury := ur shifted (0,-yradius) ; + +ulx := ul shifted (xradius,0) ; +uly := ul shifted (0,-yradius) ; + +llxx := ll shifted (xxradius,0) ; +llyy := ll shifted (0,yyradius) ; + +lrxx := lr shifted (-xxradius,0) ; +lryy := lr shifted (0,yyradius) ; + +urxx := ur shifted (-xxradius,0) ; +uryy := ur shifted (0,-yyradius) ; + +ulxx := ul shifted (xxradius,0) ; +ulyy := ul shifted (0,-yyradius) ; + +lc := ll shifted (0,.5) ; +rc := lr shifted (0,.5) ; +tc := ul shifted (.5,0) ; +bc := ll shifted (.5,0) ; + +predefined_shapes[ 0] := (origin--cycle) ; +predefined_shapes[ 5] := (llx--lrx{right}...rc...{left}urx--ulx{left}...lc...{right}cycle) ; +predefined_shapes[ 6] := (ll--lrx{right}...rc...{left}urx--ul--cycle) ; +predefined_shapes[ 7] := (ll--lrx{right}...rc...{left}urx--ul--cycle) rotatedaround(origin,180) ; +predefined_shapes[ 8] := (lr--ury{up}...tc...{down}uly--ll--cycle) ; +predefined_shapes[ 9] := (lr--ury{up}...tc...{down}uly--ll--cycle) rotatedaround(origin,180) ; +predefined_shapes[10] := (ll--lr--ur--ul--ll--ur--ul--ll--cycle) ; +predefined_shapes[11] := (ll--lr--ur--ul--ll--lr--ul--ll--cycle) ; +predefined_shapes[12] := (ll--lrx--ur--ulx--cycle) ; +predefined_shapes[13] := (llx--lr--urx--ul--cycle) ; +predefined_shapes[14] := (lly--bc--lry--ury--tc--uly--cycle) ; +predefined_shapes[15] := (llx--lrx--rc--urx--ulx--lc--cycle) ; +predefined_shapes[16] := (ll--lrx--rc--urx--ul--cycle) ; +predefined_shapes[17] := (ll--lrx--rc--urx--ul--cycle) rotatedaround(origin,180) ; +predefined_shapes[18] := (lr--ury--tc--uly--ll--cycle) ; +predefined_shapes[19] := (lr--ury--tc--uly--ll--cycle) rotatedaround(origin,180) ; +predefined_shapes[20] := (ll--lr--ur--ul--ll--llxx--ulxx--ul--ll--lr--ur--urxx--lrxx--cycle) ; +predefined_shapes[21] := (ul--ll--lr--ur--ul--ulyy--uryy--ur--ul--ll--lr--lryy--llyy--cycle) ; +predefined_shapes[22] := (ll--lrx--lry--ur--ulx--uly--cycle) ; +predefined_shapes[23] := (llx--lr--ury--urx--ul--lly--cycle) ; +predefined_shapes[24] := (ll--lr--ur--ul--cycle) ; +predefined_shapes[25] := (llx--lrx--lry--ury--urx--ulx--uly--lly--cycle) ; +predefined_shapes[26] := (ll--lrx--lry--ur--ul--cycle) ; +predefined_shapes[27] := (ll--lr--ury--urx--ul--cycle) rotatedaround(origin,180) ; +predefined_shapes[28] := (ll--lr--ury--urx--ul--cycle) ; +predefined_shapes[29] := (ll--lrx--lry--ur--ul--cycle) rotatedaround(origin,180) ; +predefined_shapes[30] := (bc{right}...{up}rc...tc{left}...{down}lc...{right}bc & bc--tc & tc{left}..{down}lc & lc--rc & rc{up}..tc{left}...{down}lc...{right}bc & cycle) rotated 45; +predefined_shapes[31] := (bc{right}...{up}rc...tc{left}...{down}lc...{right}bc & bc--tc & tc{left}..{down}lc & lc--rc & rc{up}..tc{left}...{down}lc...{right}bc & cycle) ; +predefined_shapes[32] := (ll{right}...{right}lry--ur--ul--ll--cycle) ; +predefined_shapes[33] := (ll{right}...{right}lry--ur--ul--ll--cycle--ul--ulx--ulx shifted(0,yyradius)--ur shifted(yyradius,yyradius)--lry shifted(yyradius,yyradius)--lry shifted(0,yyradius)--ur--ul--cycle ) ; +predefined_shapes[34] := (uly..tc..ury & ury..tc shifted (0,-2yradius)..uly & uly--lly & lly..bc..lry & lry--ury & ury..tc shifted (0,-2yradius)..uly & cycle ) ; +predefined_shapes[35] := (bc{right}...rc{up}...tc{left}...lc{down}...cycle) ; +predefined_shapes[36] := (ul--tc{right}..rc{down}..{left}bc--ll & ll..(xpart llx, ypart lc)..ul & cycle) ; +predefined_shapes[37] := (ul--tc{right}..rc{down}..{left}bc--ll & ll..(xpart llx, ypart lc)..ul & cycle) rotatedaround(origin,180) ; +predefined_shapes[38] := (ll--lc{up}..tc{right}..{down}rc--lr & lr..(xpart bc, ypart lly)..ll & cycle) ; +predefined_shapes[39] := (ll--lc{up}..tc{right}..{down}rc--lr & lr..(xpart bc, ypart lly)..ll & cycle) rotatedaround(origin,180) ; +predefined_shapes[40] := (ll--lr--ur--ul--ll--ur--ul--ll--lr--ul--ll--cycle) ; +predefined_shapes[41] := (ll--lr--ur--ul--ll--lr--rc--lc--ll--bc--tc--ul--ll & cycle) ; +predefined_shapes[42] := (ll--lr--origin shifted (+epsilon,0)--ur--ul--origin shifted (-epsilon,0)--cycle) ; +predefined_shapes[43] := (ll--ul--origin shifted (0,+epsilon)--ur--lr--origin shifted (0,-epsilon)--cycle) ; +predefined_shapes[45] := (bc--rc--tc--lc--cycle) ; +predefined_shapes[46] := (ll--ul--rc--cycle) ; +predefined_shapes[47] := (ll--ul--rc--cycle) rotatedaround(origin,180) ; +predefined_shapes[48] := (ul--ur--bc--cycle) rotatedaround(origin,180) ; +predefined_shapes[49] := (ul--ur--bc--cycle) ; +predefined_shapes[56] := (ll--lry--ury--ul--cycle) ; +predefined_shapes[57] := (ll--lry--ury--ul--cycle) rotatedaround(origin,180) ; +predefined_shapes[58] := (ll--ulx--urx--lr--cycle) ; +predefined_shapes[59] := (ll--ulx--urx--lr--cycle) rotatedaround(origin,180); +predefined_shapes[66] := (rc--origin shifted ( epsilon,0) --cycle & rc--origin--cycle ) ; +predefined_shapes[67] := (lc--origin shifted (-epsilon,0) --cycle & lc--origin--cycle ) ; +predefined_shapes[68] := (tc--origin shifted (0, epsilon) --cycle & tc--origin--cycle ) ; +predefined_shapes[69] := (bc--origin shifted (0,-epsilon) --cycle & bc--origin--cycle ) ; +predefined_shapes[75] := (lly--lry--ury--uly--cycle) rotatedaround(origin,180) ; +predefined_shapes[76] := (ll--lr--ur--uly--cycle) rotatedaround(origin,180) ; +predefined_shapes[77] := (ll--lr--ury--ul--cycle) rotatedaround(origin,180) ; +predefined_shapes[78] := (lly--lr--ur--ul--cycle) rotatedaround(origin,180) ; +predefined_shapes[79] := (ll--lry--ur--ul--cycle) rotatedaround(origin,180) ; + +numeric predefined_shapes_xradius ; predefined_shapes_xradius := xradius ; +numeric predefined_shapes_yradius ; predefined_shapes_yradius := yradius ; +numeric predefined_shapes_xxradius ; predefined_shapes_xxradius := xxradius ; +numeric predefined_shapes_yyradius ; predefined_shapes_yyradius := yyradius ; + +endgroup ; + +vardef some_shape_path (expr type) = + if known predefined_shapes[type] : predefined_shapes[type] else : predefined_shapes[0] fi +enddef ; + +def some_shape (expr shape_type, shape_width, shape_height, shape_linewidth, shape_linecolor, shape_fillcolor) = + begingroup ; + save p ; path p ; + p := some_shape_path (shape_type) xscaled shape_width yscaled shape_height ; + pickup pencircle scaled shape_linewidth ; + fill p withcolor shape_fillcolor ; + draw p withcolor shape_linecolor ; + endgroup ; +enddef ; + +vardef drawpredefinedshape (expr t, p, lw, lc, fc) = + save pp ; + if t>1 : % normal shape + path pp ; + pp := some_shape_path(t) xyscaled(bbwidth(p), bbheight(p)) shifted center p ; + fill pp withcolor fc ; + draw pp withpen pencircle scaled lw withcolor lc ; + elseif t=1 : % background only + path pp ; + pp := fullsquare xyscaled(bbwidth(p), bbheight(p)) shifted center p ; + fill pp withcolor fc ; + else : % dimensions only + picture pp ; pp := nullpicture ; + setbounds pp to fullsquare xyscaled(bbwidth(p), bbheight(p)) shifted center p ; + draw pp ; + fi ; +enddef ; + +vardef drawpredefinedline (expr t, p, lw, lc) = + if (t>0) and (length(p)>1) : + saveoptions ; + drawoptions(withpen pencircle scaled lw withcolor lc) ; + draw p ; + if t = 1 : + draw arrowheadonpath(p,1) ; + elseif t = 2 : + draw arrowheadonpath(reverse p,1) ; + elseif t = 3 : + for $ = p,reverse p : + draw arrowheadonpath($,1) ; + endfor ; + elseif t = 11 : + draw arrowheadonpath(p,1/2) ; + elseif t = 12 : + draw arrowheadonpath(reverse p,1/2) ; + elseif t = 13 : + for $=p,reverse p : + draw arrowheadonpath($,1) ; + endfor ; + for $=p,reverse p : + draw arrowheadonpath($,3/4) ; + endfor ; + elseif t = 21 : + for $=1/5,1/2,4/5 : + draw arrowheadonpath(p,$) ; + endfor ; + elseif t = 22 : + for $=1/5,1/2,4/5 : + draw arrowheadonpath(reverse p,$) ; + endfor ; + elseif t = 23 : + for $=p,reverse p : + draw arrowheadonpath($,1/4) ; + endfor ; + fi ; + fi ; +enddef ; + +let drawshape = drawpredefinedshape ; +let drawline = drawpredefinedline ; diff --git a/Master/texmf-dist/metapost/context/base/mp-shap.mpiv b/Master/texmf-dist/metapost/context/base/mp-shap.mpiv new file mode 100644 index 00000000000..c86edaf82bf --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-shap.mpiv @@ -0,0 +1,218 @@ +%D \module +%D [ file=mp-shap.mp, +%D version=2000.05.31, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=shapes, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +if known context_shap : endinput ; fi ; + +boolean context_shap ; context_shap := true ; + +path predefined_shapes[] ; + +def start_predefined_shape_definition = + + begingroup ; + + save xradius, yradius, xxradius, yyradius ; + save ll, lr, ur, ul, llx, lly, lrx, lry, urx, ury, ulx, uly, llxx, llyy, lrxx, lryy, urxx, uryy, ulxx, ulyy, lc, rc, tc, bc ; + + numeric xradius, yradius, xxradius, yyradius ; + pair ll, lr, ur, ul, llx, lly, lrx, lry, urx, ury, ulx, uly, llxx, llyy, lrxx, lryy, urxx, uryy, ulxx, ulyy, lc, rc, tc, bc ; + + xradius := .15 ; + yradius := .15 ; + xxradius := .10 ; + yyradius := .10 ; + + ll := llcorner (unitsquare shifted (-.5,-.5)) ; + lr := lrcorner (unitsquare shifted (-.5,-.5)) ; + ur := urcorner (unitsquare shifted (-.5,-.5)) ; + ul := ulcorner (unitsquare shifted (-.5,-.5)) ; + + llx := ll shifted (xradius,0) ; + lly := ll shifted (0,yradius) ; + + lrx := lr shifted (-xradius,0) ; + lry := lr shifted (0,yradius) ; + + urx := ur shifted (-xradius,0) ; + ury := ur shifted (0,-yradius) ; + + ulx := ul shifted (xradius,0) ; + uly := ul shifted (0,-yradius) ; + + llxx := ll shifted (xxradius,0) ; + llyy := ll shifted (0,yyradius) ; + + lrxx := lr shifted (-xxradius,0) ; + lryy := lr shifted (0,yyradius) ; + + urxx := ur shifted (-xxradius,0) ; + uryy := ur shifted (0,-yyradius) ; + + ulxx := ul shifted (xxradius,0) ; + ulyy := ul shifted (0,-yyradius) ; + + lc := ll shifted (0,.5) ; + rc := lr shifted (0,.5) ; + tc := ul shifted (.5,0) ; + bc := ll shifted (.5,0) ; + +enddef ; + +def stop_predefined_shape_definition = + + endgroup ; + +enddef ; + +start_predefined_shape_definition ; + + predefined_shapes[ 0] := (origin--cycle) ; + predefined_shapes[ 5] := (llx--lrx{right}...rc...{left}urx--ulx{left}...lc...{right}cycle) ; + predefined_shapes[ 6] := (ll--lrx{right}...rc...{left}urx--ul--cycle) ; + predefined_shapes[ 7] := (ll--lrx{right}...rc...{left}urx--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[ 8] := (lr--ury{up}...tc...{down}uly--ll--cycle) ; + predefined_shapes[ 9] := (lr--ury{up}...tc...{down}uly--ll--cycle) rotatedaround(origin,180) ; + predefined_shapes[10] := (ll--lr--ur--ul--ll--ur--ul--ll--cycle) ; + predefined_shapes[11] := (ll--lr--ur--ul--ll--lr--ul--ll--cycle) ; + predefined_shapes[12] := (ll--lrx--ur--ulx--cycle) ; + predefined_shapes[13] := (llx--lr--urx--ul--cycle) ; + predefined_shapes[14] := (lly--bc--lry--ury--tc--uly--cycle) ; + predefined_shapes[15] := (llx--lrx--rc--urx--ulx--lc--cycle) ; + predefined_shapes[16] := (ll--lrx--rc--urx--ul--cycle) ; + predefined_shapes[17] := (ll--lrx--rc--urx--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[18] := (lr--ury--tc--uly--ll--cycle) ; + predefined_shapes[19] := (lr--ury--tc--uly--ll--cycle) rotatedaround(origin,180) ; + predefined_shapes[20] := (ll--lr--ur--ul--ll--llxx--ulxx--ul--ll--lr--ur--urxx--lrxx--cycle) ; + predefined_shapes[21] := (ul--ll--lr--ur--ul--ulyy--uryy--ur--ul--ll--lr--lryy--llyy--cycle) ; + predefined_shapes[22] := (ll--lrx--lry--ur--ulx--uly--cycle) ; + predefined_shapes[23] := (llx--lr--ury--urx--ul--lly--cycle) ; + predefined_shapes[24] := (ll--lr--ur--ul--cycle) ; + predefined_shapes[25] := (llx--lrx--lry--ury--urx--ulx--uly--lly--cycle) ; + predefined_shapes[26] := (ll--lrx--lry--ur--ul--cycle) ; + predefined_shapes[27] := (ll--lr--ury--urx--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[28] := (ll--lr--ury--urx--ul--cycle) ; + predefined_shapes[29] := (ll--lrx--lry--ur--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[30] := (bc{right}...{up}rc...tc{left}...{down}lc...{right}bc & bc--tc & tc{left}..{down}lc & lc--rc & rc{up}..tc{left}...{down}lc...{right}bc & cycle) rotated 45; + predefined_shapes[31] := (bc{right}...{up}rc...tc{left}...{down}lc...{right}bc & bc--tc & tc{left}..{down}lc & lc--rc & rc{up}..tc{left}...{down}lc...{right}bc & cycle) ; + predefined_shapes[32] := (ll{right}...{right}lry--ur--ul--ll--cycle) ; + predefined_shapes[33] := (ll{right}...{right}lry--ur--ul--ll--cycle--ul--ulx--ulx shifted(0,yyradius)--ur shifted(yyradius,yyradius)--lry shifted(yyradius,yyradius)--lry shifted(0,yyradius)--ur--ul--cycle ) ; + predefined_shapes[34] := (uly..tc..ury & ury..tc shifted (0,-2yradius)..uly & uly--lly & lly..bc..lry & lry--ury & ury..tc shifted (0,-2yradius)..uly & cycle ) ; + predefined_shapes[35] := (bc{right}...rc{up}...tc{left}...lc{down}...cycle) ; + predefined_shapes[36] := (ul--tc{right}..rc{down}..{left}bc--ll & ll..(xpart llx, ypart lc)..ul & cycle) ; + predefined_shapes[37] := (ul--tc{right}..rc{down}..{left}bc--ll & ll..(xpart llx, ypart lc)..ul & cycle) rotatedaround(origin,180) ; + predefined_shapes[38] := (ll--lc{up}..tc{right}..{down}rc--lr & lr..(xpart bc, ypart lly)..ll & cycle) ; + predefined_shapes[39] := (ll--lc{up}..tc{right}..{down}rc--lr & lr..(xpart bc, ypart lly)..ll & cycle) rotatedaround(origin,180) ; + predefined_shapes[40] := (ll--lr--ur--ul--ll--ur--ul--ll--lr--ul--ll--cycle) ; + predefined_shapes[41] := (ll--lr--ur--ul--ll--lr--rc--lc--ll--bc--tc--ul--ll & cycle) ; + predefined_shapes[42] := (ll--lr--origin shifted (+epsilon,0)--ur--ul--origin shifted (-epsilon,0)--cycle) ; + predefined_shapes[43] := (ll--ul--origin shifted (0,+epsilon)--ur--lr--origin shifted (0,-epsilon)--cycle) ; + predefined_shapes[45] := (bc--rc--tc--lc--cycle) ; + predefined_shapes[46] := (ll--ul--rc--cycle) ; + predefined_shapes[47] := (ll--ul--rc--cycle) rotatedaround(origin,180) ; + predefined_shapes[48] := (ul--ur--bc--cycle) rotatedaround(origin,180) ; + predefined_shapes[49] := (ul--ur--bc--cycle) ; + predefined_shapes[56] := (ll--lry--ury--ul--cycle) ; + predefined_shapes[57] := (ll--lry--ury--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[58] := (ll--ulx--urx--lr--cycle) ; + predefined_shapes[59] := (ll--ulx--urx--lr--cycle) rotatedaround(origin,180); + predefined_shapes[66] := (rc--origin shifted ( epsilon,0) --cycle & rc--origin--cycle ) ; + predefined_shapes[67] := (lc--origin shifted (-epsilon,0) --cycle & lc--origin--cycle ) ; + predefined_shapes[68] := (tc--origin shifted (0, epsilon) --cycle & tc--origin--cycle ) ; + predefined_shapes[69] := (bc--origin shifted (0,-epsilon) --cycle & bc--origin--cycle ) ; + predefined_shapes[75] := (lly--lry--ury--uly--cycle) rotatedaround(origin,180) ; + predefined_shapes[76] := (ll--lr--ur--uly--cycle) rotatedaround(origin,180) ; + predefined_shapes[77] := (ll--lr--ury--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[78] := (lly--lr--ur--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[79] := (ll--lry--ur--ul--cycle) rotatedaround(origin,180) ; + + numeric predefined_shapes_xradius ; predefined_shapes_xradius := xradius ; + numeric predefined_shapes_yradius ; predefined_shapes_yradius := yradius ; + numeric predefined_shapes_xxradius ; predefined_shapes_xxradius := xxradius ; + numeric predefined_shapes_yyradius ; predefined_shapes_yyradius := yyradius ; + +stop_predefined_shape_definition ; + +vardef some_shape_path (expr type) = + if known predefined_shapes[type] : predefined_shapes[type] else : predefined_shapes[0] fi +enddef ; + +def some_shape (expr shape_type, shape_width, shape_height, shape_linewidth, shape_linecolor, shape_fillcolor) = + begingroup ; + save p ; path p ; + p := some_shape_path (shape_type) xscaled shape_width yscaled shape_height ; + pickup pencircle scaled shape_linewidth ; + fill p withcolor shape_fillcolor ; + draw p withcolor shape_linecolor ; + endgroup ; +enddef ; + +vardef drawpredefinedshape (expr t, p, lw, lc, fc) = + save pp ; + if t>1 : % normal shape + path pp ; + pp := some_shape_path(t) xyscaled(bbwidth(p), bbheight(p)) shifted center p ; + fill pp withcolor fc ; + draw pp withpen pencircle scaled lw withcolor lc ; + elseif t=1 : % background only + path pp ; + pp := fullsquare xyscaled(bbwidth(p), bbheight(p)) shifted center p ; + fill pp withcolor fc ; + else : % dimensions only + picture pp ; pp := nullpicture ; + setbounds pp to fullsquare xyscaled(bbwidth(p), bbheight(p)) shifted center p ; + draw pp ; + fi ; +enddef ; + +vardef drawpredefinedline (expr t, p, lw, lc) = + if (t>0) and (length(p)>1) : + saveoptions ; + drawoptions(withpen pencircle scaled lw withcolor lc) ; + draw p ; + if t = 1 : + draw arrowheadonpath(p,1) ; + elseif t = 2 : + draw arrowheadonpath(reverse p,1) ; + elseif t = 3 : + for $ = p,reverse p : + draw arrowheadonpath($,1) ; + endfor ; + elseif t = 11 : + draw arrowheadonpath(p,1/2) ; + elseif t = 12 : + draw arrowheadonpath(reverse p,1/2) ; + elseif t = 13 : + for $=p,reverse p : + draw arrowheadonpath($,1) ; + endfor ; + for $=p,reverse p : + draw arrowheadonpath($,3/4) ; + endfor ; + elseif t = 21 : + for $=1/5,1/2,4/5 : + draw arrowheadonpath(p,$) ; + endfor ; + elseif t = 22 : + for $=1/5,1/2,4/5 : + draw arrowheadonpath(reverse p,$) ; + endfor ; + elseif t = 23 : + for $=p,reverse p : + draw arrowheadonpath($,1/4) ; + endfor ; + fi ; + fi ; +enddef ; + +let drawshape = drawpredefinedshape ; +let drawline = drawpredefinedline ; diff --git a/Master/texmf-dist/metapost/context/base/mp-spec.mp b/Master/texmf-dist/metapost/context/base/mp-spec.mpii index 123e75faaae..7cb960524b6 100644 --- a/Master/texmf-dist/metapost/context/base/mp-spec.mp +++ b/Master/texmf-dist/metapost/context/base/mp-spec.mpii @@ -47,9 +47,7 @@ %D for instance shading. More information can be found in %D type {supp-mpe.tex}. -if known mplib : endinput ; fi ; -if unknown context_tool : input mp-tool ; fi ; -if known context_spec : endinput ; fi ; +if known context_spec : endinput ; fi ; boolean context_spec ; context_spec := true ; @@ -715,8 +713,6 @@ enddef ; % spotcolor is already scaled -endinput ; - % just an exercise (due to a question by Chof on the context mailing list); scaling of % 'special' colors is not possible and the next solution is incomplete (spot colors, % transparency, etc); watch the the tricky chained macro construction diff --git a/Master/texmf-dist/metapost/context/base/mp-step.mp b/Master/texmf-dist/metapost/context/base/mp-step.mpii index d602f701430..a8d0df8e094 100644 --- a/Master/texmf-dist/metapost/context/base/mp-step.mp +++ b/Master/texmf-dist/metapost/context/base/mp-step.mpii @@ -11,8 +11,7 @@ %C therefore copyrighted by \PRAGMA. See licen-en.pdf for %C details. -if unknown context_tool : input mp-tool ; fi ; -if known context_step : endinput ; fi ; +if known context_step : endinput ; fi ; boolean context_step ; context_step := true ; @@ -39,7 +38,7 @@ enddef ; def analyze_step_chart = numeric n[], l[][], r[][] ; pair p[] ; - n[t] := n[b] := 0 ; numeric tb ; + n[t] := n[b] := 0 ; numeric tb ; for i=1 upto nofcells : for nn = t, b : if bbwidth(cells[nn][i])>0 : n[nn] := n[nn] + 1 ; fi ; l[t][i] := r[t][i] := l[b][i] := r[b][i] := 0 ; @@ -80,15 +79,15 @@ vardef get_step_chart_top_line (expr i, j) = p[3] := p[3] shifted (0,+line_v_offset) ; (p[1] {up} ... p[2] ... {down} p[3]) else : - origin - fi + origin + fi else : - origin - fi + origin + fi else : - origin - fi -enddef ; + origin + fi +enddef ; vardef get_step_chart_bot_line (expr i, j) = if bbwidth(cells[b][i])>0 : @@ -108,31 +107,31 @@ vardef get_step_chart_bot_line (expr i, j) = p[3] := p[3] shifted (0,-line_v_offset) ; (p[1] {down} ... p[2] ... {up} p[3]) else : - origin - fi + origin + fi else : - origin - fi + origin + fi else : - origin - fi + origin + fi enddef ; def end_step_chart = - for i=1 upto nofcells : for nn = t, b : - if bbwidth(cells[nn][i]) >0 : draw cells[nn][i] ; fi ; + for i=1 upto nofcells : for nn = t, b : + if bbwidth(cells[nn][i]) >0 : draw cells[nn][i] ; fi ; endfor ; endfor ; - for i=1 upto nofcells : for j=i upto nofcells : for nn = t, b : + for i=1 upto nofcells : for j=i upto nofcells : for nn = t, b : if known lines[nn][i][j] : if bbwidth(lines[nn][i][j])>0 : draw lines[nn][i][j] ; fi ; - fi ; + fi ; endfor ; endfor ; endfor ; for i=1 upto nofcells : for j=i upto nofcells : for nn = t, b : if bbwidth(texts[nn][i][j])>0 : draw texts[nn][i][j] ; fi ; endfor ; endfor ; endfor ; enddef ; -%D Step tables. +%D Step tables. def begin_step_table = initialize_step_variables ; @@ -141,13 +140,13 @@ def begin_step_table = enddef ; def end_step_table = - for i=1 upto nofcells : if known cells[i] : if bbwidth(cells[i])>0 : - draw cells[i] ; + for i=1 upto nofcells : if known cells[i] : if bbwidth(cells[i])>0 : + draw cells[i] ; fi ; fi ; endfor ; - for i=1 upto nofcells : if known lines[i] : if bbwidth(lines[i])>0 : - draw lines[i] ; + for i=1 upto nofcells : if known lines[i] : if bbwidth(lines[i])>0 : + draw lines[i] ; fi ; fi ; endfor ; - for i=1 upto nofcells : if known texts[i] : if bbwidth(texts[i])>0 : + for i=1 upto nofcells : if known texts[i] : if bbwidth(texts[i])>0 : draw texts[i] ; fi ; fi ; endfor ; enddef ; @@ -167,8 +166,6 @@ vardef get_step_table_line (expr i) = fi enddef ; -endinput - %D The older method let \METAPOST\ do the typesetting. The %D macros needed for that are included here for educational %D purposes. diff --git a/Master/texmf-dist/metapost/context/base/mp-step.mpiv b/Master/texmf-dist/metapost/context/base/mp-step.mpiv new file mode 100644 index 00000000000..21a20ce7172 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-step.mpiv @@ -0,0 +1,376 @@ +%D \module +%D [ file=mp-cell.mpiv, % mp-step.mp, +%D version=2010.10.07, % 2001.05.22, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=steps, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +% step prefixes .. no save needed + +if known context_cell : endinput ; fi ; + +boolean context_cell ; context_cell := true ; + +def initialize_step_variables = + save + text_fill_color, text_line_color, text_line_width, text_offset, + cell_fill_color, cell_line_color, cell_line_width, cell_offset, + line_line_color, line_line_width, line_alternative, + line_distance, cell_distance_y, cell_distance_x, + nofcells, chart_vertical ; + + color text_line_color ; text_line_color := red ; + color cell_line_color ; cell_line_color := blue ; + color line_line_color ; line_line_color := green ; + + color text_fill_color ; text_fill_color := white ; + color cell_fill_color ; cell_fill_color := white ; + + numeric text_line_width ; text_line_width := 2pt ; + numeric cell_line_width ; cell_line_width := 2pt ; + numeric line_line_width ; line_line_width := 2pt ; + + numeric text_offset ; text_offset := 4pt ; + numeric cell_offset ; cell_offset := 4pt ; + + numeric line_distance ; line_distance := 10pt ; % between line and text + numeric line_offset ; line_offset := 4pt ; % between center and start of line + numeric line_height ; line_height := 20pt ; + + numeric cell_distance_y ; cell_distance_y := 20pt ; + numeric cell_distance_x ; cell_distance_x := 20pt ; + + numeric text_distance_set ; text_distance_set := 4pt ; + + boolean chart_vertical ; chart_vertical := false ; + + numeric nofcells ; nofcells := 0 ; + +enddef ; + +def step_cells (expr t, b) = + nofcells := nofcells + 1 ; + cells_t[nofcells] := textext.d(t) ; + cells_b[nofcells] := textext.d(b) ; + texts_t[nofcells] := nullpicture ; + texts_m[nofcells] := nullpicture ; + texts_b[nofcells] := nullpicture ; +enddef ; + +def step_texts (expr t, b) = + texts_t[nofcells] := textext.d(t) ; + texts_m[nofcells] := textext.d(m) ; + texts_b[nofcells] := textext.d(b) ; +enddef ; + +def step_begin_cell = + nofcells := nofcells + 1 ; + cells_t[nofcells] := nullpicture ; + cells_b[nofcells] := nullpicture ; + texts_t[nofcells] := nullpicture ; + texts_m[nofcells] := nullpicture ; + texts_b[nofcells] := nullpicture ; +enddef ; + +def step_end_cell = +enddef ; + +def step_cell_top (expr t) = cells_t[nofcells] := textext.d(t) ; enddef ; +def step_cell_bot (expr b) = cells_b[nofcells] := textext.d(b) ; enddef ; +def step_text_top (expr t) = texts_t[nofcells] := textext.d(t) ; enddef ; +def step_text_mid (expr m) = texts_m[nofcells] := textext.d(m) ; enddef ; +def step_text_bot (expr b) = texts_b[nofcells] := textext.d(b) ; enddef ; + +def step_begin_chart = + begingroup ; + initialize_step_variables ; + save nofcells ; numeric nofcells ; nofcells := 0 ; + save cells_t, cells_m, cells_b ; picture cells_t[], cells_m[], cells_b[] ; + save texts_t, texts_m, texts_b ; picture texts_t[], texts_m[], texts_b[] ; +enddef ; + +def step_end_chart = + % we could combine some loops but this is cleaner + save dx, delta ; numeric dx, delta ; + save p ; path p ; + save one_row_only ; boolean one_row_only ; + save cell_t, next_t, text_t ; picture cell_t, next_t, text_t ; + save cell_m, next_m, text_m ; picture cell_m, next_m, text_m ; + save cell_b, next_b, text_b ; picture cell_b, next_b, text_b ; + save height_t, width_t, max_height_t, max_width_t ; numeric height_t, width_t, max_height_t, max_width_t ; + save height_m, width_m, max_height_m, max_width_m ; numeric height_m, width_m, max_height_m, max_width_m ; + save height_b, width_b, max_height_b, max_width_b ; numeric height_b, width_b, max_height_b, max_width_b ; + % check rows + one_row_only := true ; + for i=1 upto nofcells : + if bbwidth(cells_b[i]) > 0 : + one_row_only := false ; + fi ; + endfor ; + % swap and rotate + if chart_vertical : + if one_row_only : + % deal with mid_texts + max_width_t := max_width_m := max_width_b := 0 ; + for i=1 upto nofcells : + width_t := bbwidth(texts_t[i]) ; + width_m := bbwidth(texts_m[i]) ; + width_b := bbwidth(texts_b[i]) ; + if width_t > max_width_t : max_width_t := width_t fi ; + if width_m > max_width_m : max_width_m := width_m fi ; + if width_b > max_width_b : max_width_b := width_b fi ; + endfor ; + if max_width_m > 0 : + for i=1 upto nofcells : + text_t := texts_t[i] ; width_t := bbwidth(text_t) ; + text_m := texts_m[i] ; width_m := bbwidth(text_m) ; + text_b := texts_b[i] ; width_b := bbwidth(text_b) ; + if width_t < max_width_t : + setbounds text_t to boundingbox text_t leftenlarged (max_width_t - width_t) ; + fi ; + if width_m < max_width_m : + setbounds text_m to boundingbox text_m leftenlarged ((max_width_m - width_m)/2) ; + setbounds text_m to boundingbox text_m rightenlarged ((max_width_m - width_m)/2) ; + fi ; + if width_b < max_width_b : + setbounds text_b to boundingbox text_b rightenlarged (max_width_b - width_b) ; + fi ; + text_t := text_t shifted (- xpart llcorner text_t, 0) ; + text_m := text_m shifted (- xpart llcorner text_m, 0) ; + text_b := text_b shifted (- xpart llcorner text_b, 0) ; + texts_t[i] := image ( + draw text_t ; + draw text_m shifted (max_width_t + text_distance_set,0) ; + draw text_b shifted (max_width_t + max_width_m + 2*text_distance_set,0) ; + ) rotated 90 ; + texts_m[i] := texts_b[i] := nullpicture ; + cells_t[i] := cells_t[i] rotated 90 ; + endfor ; + else : + for i=1 upto nofcells : + cells_t[i] := cells_t[i] rotated 90 ; + texts_t[i] := texts_t[i] rotated 90 ; + texts_b[i] := texts_b[i] rotated 90 ; + endfor ; + fi ; + else : + for i=1 upto nofcells : + cell_t := cells_t[i] ; + cell_b := cells_b[i] ; + cells_t[i] := cell_b rotated 90 ; + cells_b[i] := cell_t rotated 90 ; + text_t := texts_t[i] ; + text_b := texts_b[i] ; + texts_t[i] := text_b rotated 90 ; + texts_b[i] := text_t rotated 90 ; + endfor ; + fi ; + fi ; + % align horizontal + for i=1 upto nofcells : + cell_t := cells_t[i] ; + cell_b := cells_b[i] ; + width_t := bbwidth(cell_t) ; + width_b := bbwidth(cell_b) ; + if (width_t = 0) and (width_b = 0) : + % skip + elseif (width_t > 0) and (width_t < width_b) : + delta := (width_b-width_t)/2 ; + setbounds cell_t to boundingbox cell_t leftenlarged delta rightenlarged delta ; + cells_t[i] := cell_t ; + elseif (width_b > 0) and (width_t > width_b) : + delta := (width_t-width_b)/2 ; + setbounds cell_b to boundingbox cell_b leftenlarged delta rightenlarged delta ; + cells_b[i] := cell_b ; + fi ; + endfor ; + % analyze vertical + max_height_t := 0 ; + max_height_b := 0 ; + for i=1 upto nofcells : + cell_t := cells_t[i] ; + cell_b := cells_b[i] ; + height_t := bbheight(cell_t) ; + height_b := bbheight(cell_b) ; + if height_t > 0 : + setbounds cell_t to boundingbox cell_t enlarged cell_offset ; + height_t := height_t + 2 * cell_offset ; + cells_t[i] := cell_t ; + fi ; + if height_b > 0 : + setbounds cell_b to boundingbox cell_b enlarged cell_offset ; + height_b := height_b + 2 * cell_offset ; + cells_b[i] := cell_b ; + fi ; + if height_t > max_height_t : + max_height_t := height_t ; + fi + if height_b > max_height_b : + max_height_b := height_b ; + fi ; + endfor ; + % align vertical + for i=1 upto nofcells : + cell_t := cells_t[i] ; + cell_b := cells_b[i] ; + height_t := bbheight(cell_t) ; + height_b := bbheight(cell_b) ; + if height_t > 0 : + delta := (max_height_t-height_t)/2 ; + setbounds cell_t to boundingbox cell_t topenlarged delta bottomenlarged delta ; + fi ; + if height_b > 0 : + delta := (max_height_b-height_b)/2 ; + setbounds cell_b to boundingbox cell_b topenlarged delta bottomenlarged delta ; + fi ; + cells_t[i] := cell_t ; + cells_b[i] := cell_b ; + endfor ; + % position + dx := 0 ; + for i=1 upto nofcells : + cell_t := cells_t[i] ; + cell_b := cells_b[i] ; + cell_t := cell_t shifted -llcorner cell_t ; + cell_b := cell_b shifted -llcorner cell_b ; + cell_t := cell_t shifted (dx, 0) ; + cell_b := cell_b shifted (dx,-cell_distance_y-max_height_b) ; + cells_t[i] := cell_t ; + cells_b[i] := cell_b ; + width_t := bbwidth(cell_t) ; + width_b := bbwidth(cell_b) ; + if width_t > 0 : + dx := dx + cell_distance_x + width_t ; + elseif width_b > 0 : + dx := dx + cell_distance_x + width_b ; + fi ; + endfor ; + % flush + for i=1 upto nofcells : + cell_t := cells_t[i] ; + cell_b := cells_b[i] ; + width_t := bbwidth(cell_t) ; + width_b := bbwidth(cell_b) ; + if width_t > 0 : + fill boundingbox cell_t withcolor cell_fill_color ; + draw boundingbox cell_t withpen pencircle scaled cell_line_width withcolor cell_line_color ; + draw cell_t ; + fi ; + if width_b > 0 : + fill boundingbox cell_b withcolor cell_fill_color ; + draw boundingbox cell_b withpen pencircle scaled cell_line_width withcolor cell_line_color ; + draw cell_b ; + fi ; + endfor ; + % + def midtopboundary expr p = 0.5[ulcorner boundingbox p, urcorner boundingbox p] enddef ; + def midbottomboundary expr p = 0.5[llcorner boundingbox p, lrcorner boundingbox p] enddef ; + % draw top and bottom text boxes + for i=1 upto nofcells-1 : + text_t := texts_t[i] ; + text_b := texts_b[i] ; + if bbwidth(text_t) > 0 : + setbounds text_t to boundingbox text_t enlarged text_offset ; + texts_t[i] := text_t ; + fi ; + if bbwidth(text_b) > 0 : + setbounds text_b to boundingbox text_b enlarged text_offset ; + texts_b[i] := text_b ; + fi ; + endfor ; + % arrows + for i=1 upto nofcells-1 : + cell_t := cells_t[i] ; + cell_b := cells_b[i] ; + next_t := cells_t[i+1] ; + next_b := cells_b[i+1] ; + pair t_a, t_b, t_c, b_a, b_b, b_c ; + t_a := midtopboundary cell_t ; + t_b := midtopboundary next_t ; + t_c := (xpart 0.5[t_a,t_b], ypart t_a+line_height+line_distance) ; + if one_row_only : + b_a := midbottomboundary cell_t ; + b_b := midbottomboundary next_t ; + else : + b_a := midbottomboundary cell_b ; + b_b := midbottomboundary next_b ; + fi ; + b_c := (xpart 0.5[b_a,b_b], ypart b_a-line_height-line_distance) ; + texts_t[i] := thelabel.top(texts_t[i],t_c) ; + texts_b[i] := thelabel.bot(texts_b[i],b_c) ; + endfor ; + % + for i=1 upto nofcells-1 : % todo arrows when empty text + cell_t := cells_t[i] ; + cell_b := cells_b[i] ; + next_t := cells_t[i+1] ; + next_b := cells_b[i+1] ; + text_t := texts_t[i] ; + text_b := texts_b[i] ; + if bbwidth(text_t) > 0 : + if bbwidth(cell_t) > 0 : + drawarrow midtopboundary cell_t + shifted (if i > 1 : line_offset else : 0 fi, cell_line_width) {up} .. + midbottomboundary text_t shifted (0,-line_distance) .. + {down} midtopboundary next_t shifted(if i < nofcells - 1 : -line_offset else : 0 fi,cell_line_width) + withpen pencircle scaled line_line_width + withcolor line_line_color ; + else : + fi ; + fi ; + if bbwidth(text_b) > 0 : + if one_row_only : + cell_b := cell_t ; + next_b := next_t ; + fi ; + if bbwidth(cell_b) > 0 : + drawarrow midbottomboundary cell_b + shifted (if i > 1 : line_offset else : 0 fi, -cell_line_width) {down} .. + midtopboundary text_b shifted (0, line_distance) .. + {up} midbottomboundary next_b shifted (if i < nofcells - 1 : -line_offset else : 0 fi,-cell_line_width) + withpen pencircle scaled line_line_width + withcolor line_line_color ; + else : + fi ; + fi ; + endfor ; + % draw top and bottom text boxes + for i=1 upto nofcells-1 : + text_t := texts_t[i] ; + text_b := texts_b[i] ; + if bbwidth(text_t) > 0 : + fill boundingbox text_t withcolor text_fill_color ; + draw boundingbox text_t withpen pencircle scaled text_line_width withcolor text_line_color ; + draw text_t ; + fi ; + if bbwidth(text_b) > 0 : + fill boundingbox text_b withcolor text_fill_color ; + draw boundingbox text_b withpen pencircle scaled text_line_width withcolor text_line_color ; + draw text_b ; + fi ; + endfor ; + if chart_vertical : + % rotate back + currentpicture := currentpicture rotated -90 ; + fi ; + endgroup ; +enddef ; + +% start_begin_step ; +% step_cells ("\strut test 0", "\strut test 0") ; +% step_cells ("\strut test 1", "\vbox{\hsize3cm \strut oeps 1\crlf oeps 1}") ; +% step_texts ("\strut 1", "\strut 1") ; +% step_cells ("\strut test 2", "\strut oeps 2 oeps 2") ; +% step_cells ("\strut test X", "\strut test X") ; +% step_texts ("\strut 2", "\strut 2") ; +% step_cells ("\strut test 3", "\strut oeps 3 oeps 3") ; +% step_texts ("\strut 3", "\strut 3") ; +% step_cells ("\strut test 4", "\strut oeps 4 oeps 4") ; +% step_texts ("\strut 4", "\strut 4") ; +% stop_end_chart ; diff --git a/Master/texmf-dist/metapost/context/base/mp-text.mp b/Master/texmf-dist/metapost/context/base/mp-text.mpii index 60e16c09bbb..67dff15f9ce 100644 --- a/Master/texmf-dist/metapost/context/base/mp-text.mp +++ b/Master/texmf-dist/metapost/context/base/mp-text.mpii @@ -13,8 +13,7 @@ %D Under construction. -if unknown context_tool : input mp-tool ; fi ; -if known context_text : endinput ; fi ; +if known context_text : endinput ; fi ; boolean context_text ; context_text := true ; diff --git a/Master/texmf-dist/metapost/context/base/mp-text.mpiv b/Master/texmf-dist/metapost/context/base/mp-text.mpiv new file mode 100644 index 00000000000..c7bafeb8a06 --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-text.mpiv @@ -0,0 +1,163 @@ +%D \module +%D [ file=mp-text.mp, +%D version=2000.07.10, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=text support, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See licen-en.pdf for +%C details. + +%D This one is only used in metafun so it will become a module. + +if known context_text : endinput ; fi ; + +boolean context_text ; context_text := true ; + +def build_parshape (expr p, offset_or_path, dx, dy, baselineskip, strutheight, strutdepth, topskip) = + + if unknown trace_parshape : + boolean trace_parshape ; trace_parshape := false ; + fi ; + + begingroup ; + + save + q, l, r, line, tt, bb, + n, hsize, vsize, vvsize, voffset, hoffset, width, indent, + ll, lll, rr, rrr, cp, cq, t, b ; + + path + q, l, r, line, tt, bb ; + numeric + n, hsize, vsize, vvsize, voffset, hoffset, width[], indent[] ; + pair + ll, lll, rr, rrr, cp, cq, t, b ; + + n := 0 ; + cp := center p ; + + if path offset_or_path : + q := offset_or_path ; + cq := center q ; + voffset := dy ; + hoffset := dx ; + else : + q := p ; + cq := center q ; + hoffset := offset_or_path + dx ; + voffset := offset_or_path + dy ; + fi ; + + hsize := xpart lrcorner q - xpart llcorner q ; + vsize := ypart urcorner q - ypart lrcorner q ; + + q := p shifted - cp ; + + startsavingdata ; + + savedata "\global\parvoffset " & decimal voffset&"bp " ; + savedata "\global\parhoffset " & decimal hoffset&"bp " ; + savedata "\global\parwidth " & decimal hsize&"bp " ; + savedata "\global\parheight " & decimal vsize&"bp " ; + + if not path offset_or_path : + q := q xscaled ((hsize-2hoffset)/hsize) yscaled ((vsize-2voffset)/vsize) ; + fi ; + + hsize := xpart lrcorner q - xpart llcorner q ; + vsize := ypart urcorner q - ypart lrcorner q ; + + t := (ulcorner q -- urcorner q) intersection_point q ; + b := (llcorner q -- lrcorner q) intersection_point q ; + + if xpart directionpoint t of q < 0 : + q := reverse q ; + fi ; + + l := q cutbefore t ; + l := l if xpart point 0 of q < 0 : & q fi cutafter b ; + + r := q cutbefore b ; + r := r if xpart point 0 of q > 0 : & q fi cutafter t ; + + % tt := (ulcorner q -- urcorner q) shifted (0,-topskip) ; + % bb := (llcorner q -- lrcorner q) shifted (0,strutdepth) ; + + % l := l cutbefore (l intersection_point tt) ; + % l := l cutafter (l intersection_point bb) ; + % r := r cutbefore (r intersection_point bb) ; + % r := r cutafter (r intersection_point tt) ; + + if trace_parshape : + drawarrow p withpen pencircle scaled 2pt withcolor red ; + drawarrow l shifted cp withpen pencircle scaled 1pt withcolor green ; + drawarrow r shifted cp withpen pencircle scaled 1pt withcolor blue ; + fi ; + + vardef found_point (expr lin, pat, sig) = + pair a, b ; + a := pat intersection_point (lin shifted (0,strutheight)) ; + if intersection_found : + a := a shifted (0,-strutheight) ; + else : + a := pat intersection_point lin ; + fi ; + b := pat intersection_point (lin shifted (0,-strutdepth)) ; + if intersection_found : + if sig : + if xpart b > xpart a : a := b shifted (0,strutdepth) fi ; + else : + if xpart b < xpart a : a := b shifted (0,strutdepth) fi ; + fi ; + fi ; + a + enddef ; + + if (strutheight+strutdepth<baselineskip) : + vvsize := vsize ; + else : + vvsize := (vsize div baselineskip) * baselineskip ; + fi ; + + for i=topskip step baselineskip until vvsize : + + line := (ulcorner q -- urcorner q) shifted (0,-i-eps) ; + + ll := found_point(line,l,true ) ; + rr := found_point(line,r,false) ; + + if trace_parshape : + fill (ll--rr--rr shifted (0,strutheight)--ll shifted (0,strutheight)--cycle) shifted cp withcolor .5white ; + fill (ll--rr--rr shifted (0,-strutdepth)--ll shifted (0,-strutdepth)--cycle) shifted cp withcolor .7white ; + draw ll shifted cp withpen pencircle scaled 2pt ; + draw rr shifted cp withpen pencircle scaled 2pt ; + draw (ll--rr) shifted cp withpen pencircle scaled .5pt ; + fi ; + + n := n + 1 ; + indent[n] := abs(xpart ll - xpart llcorner q) ; + width[n] := abs(xpart rr - xpart ll) ; + + if (i=strutheight) and (width[n]<baselineskip) : + n := n - 1 ; + savedata "\global\chardef\parfirst=1 " ; + fi ; + + endfor ; + + savedata "\global\parlines " & decimal n ; + savedata "\global\partoks{ " ; + for i=1 upto n: + savedata decimal indent[i]&"bp " & decimal width[i]&"bp " ; + endfor ; + savedata "}" ; + + stopsavingdata ; + + endgroup ; + +enddef ; diff --git a/Master/texmf-dist/metapost/context/base/mp-tool.mp b/Master/texmf-dist/metapost/context/base/mp-tool.mpii index 7f047fefcce..96932d58ab3 100644 --- a/Master/texmf-dist/metapost/context/base/mp-tool.mp +++ b/Master/texmf-dist/metapost/context/base/mp-tool.mpii @@ -85,10 +85,6 @@ mpprocset := 1 ; % % protect ; -%D A semicolor to be used in specials: ? ? ? - -string semicolor ; semicolor := char 59 ; - %D By including this module, \METAPOST\ automatically writes a %D high resolution boundingbox to the \POSTSCRIPT\ file. This %D hack is due to John Hobby himself. @@ -96,8 +92,6 @@ string semicolor ; semicolor := char 59 ; % When somehow the first one gets no HiRes, then make sure % that the format matches the mem sizes in the config file. -% eerste " " er uit - string space ; space = char 32 ; vardef ddecimal primary p = @@ -132,18 +126,6 @@ cmykcolormodel := 7 ; let grayscale = numeric ; -% def colorlike(expr c) text v = % colorlike(a) b, c, d ; -% forsuffixes i=v : % save i ; -% if cmykcolor c : -% cmykcolor i ; -% elseif rgbcolor c : -% rgbcolor i ; -% else : -% grayscale i ; -% fi ; -% endfor ; -% enddef ; - vardef colorlike(text c) text v = % colorlike(a) b, c, d ; save _p_ ; picture _p_ ; forsuffixes i=v : @@ -858,15 +840,15 @@ vardef bottomboundary primary p = if pair p : p else : (llcorner p -- lrcorner p) fi enddef ; -vardef rightboundary primary p = +vardef rightboundary primary p = if pair p : p else : (lrcorner p -- urcorner p) fi enddef ; -vardef topboundary primary p = +vardef topboundary primary p = if pair p : p else : (urcorner p -- ulcorner p) fi enddef ; -vardef leftboundary primary p = +vardef leftboundary primary p = if pair p : p else : (ulcorner p -- llcorner p) fi enddef ; @@ -2131,19 +2113,28 @@ enddef ; % handy -vardef bbwidth (expr p) = - (if known p : - if path p or picture p : - xpart (lrcorner p - llcorner p) - else : 0 fi else : 0 - fi ) +vardef bbwidth (expr p) = % vardef width_of primary p = + if known p : + if path p or picture p : + xpart (lrcorner p - llcorner p) + else : + 0 + fi + else : + 0 + fi enddef ; -vardef bbheight (expr p) = - (if known p : if path p or picture p : - ypart (urcorner p - lrcorner p) - else : 0 fi else : 0 - fi) +vardef bbheight (expr p) = % vardef heigth_of primary p = + if known p : + if path p or picture p : + ypart (urcorner p - lrcorner p) + else : + 0 + fi + else : + 0 + fi enddef ; color nocolor ; numeric noline ; % both unknown signals @@ -2262,7 +2253,7 @@ vardef simplified expr p = (reverse dostraightened(+1,dostraightened(+1,reverse p))) enddef ; -vardef unspiked expr p = +vardef unspiked expr p = (reverse dostraightened(-1,dostraightened(-1,reverse p))) enddef ; @@ -2450,8 +2441,18 @@ enddef ; % new -vardef colorpart(expr i) = - (redpart i, greenpart i,bluepart i) +% vardef colorpart(expr i) = +% (redpart i, greenpart i,bluepart i) +% enddef ; + +vardef colorpart(expr c) = + if colormodel c = 3 : + graypart c + elseif colormodel c = 5 : + (redpart c,greenpart c,bluepart c) + elseif colormodel c = 7 : + (cyanpart c,magentapart c,yellowpart c,blackpart c) + fi enddef ; % for david arnold: @@ -2561,7 +2562,3 @@ primarydef p snapped s = fi ; ) p enddef ; - -% done - -endinput ; diff --git a/Master/texmf-dist/metapost/context/base/mp-tool.mpiv b/Master/texmf-dist/metapost/context/base/mp-tool.mpiv new file mode 100644 index 00000000000..39449b511cf --- /dev/null +++ b/Master/texmf-dist/metapost/context/base/mp-tool.mpiv @@ -0,0 +1,2183 @@ +%D \module +%D [ file=mp-tool.mp, +%D version=1998.02.15, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=auxiliary macros, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +if known context_tool : endinput ; fi ; + +boolean context_tool ; context_tool := true ; + +let @## = @# ; + +%D New, version number testing: +%D +%D \starttyping +%D fill fullcircle scaled 2cm withcolor if mpversiongt("0.6") : red else : green fi ; +%D fill fullcircle scaled 1cm withcolor if mpversionlt(0.6) : blue else : white fi ; +%D \stoptyping + +if not known mpversion : string mpversion ; mpversion := "0.641" ; fi ; + +% vardef mpversiongt(expr s) = +% scantokens (mpversion & " > " & if numeric s : decimal s else : s fi) +% enddef ; +% vardef mpversionlt(expr s) = +% scantokens (mpversion & " < " & if numeric s : decimal s else : s fi) +% enddef ; +% vardef mpversioneq(expr s) = +% scantokens (mpversion & " = " & if numeric s : decimal s else : s fi) +% enddef ; + +%D More interesting: +%D +%D \starttyping +%D fill fullcircle scaled 4cm withcolor if mpversiongt("0.6") : red else : green fi ; +%D fill fullcircle scaled 2cm withcolor if mpversionlt(0.6) : blue else : white fi ; +%D fill fullcircle scaled 1cm withcolor if mpversioncmp(0.6,">=") : yellow else : black fi ; +%D \stoptyping + +% no longer needed as we load runtime + +vardef mpversioncmp(expr s, c) = + scantokens (mpversion & c & if numeric s : decimal s else : s fi) +enddef ; + +vardef mpversionlt (expr s) = mpversioncmp(s, "<") enddef ; +vardef mpversioneq (expr s) = mpversioncmp(s, "=") enddef ; +vardef mpversiongt (expr s) = mpversioncmp(s, ">") enddef ; + +%D We always want \EPS\ conforming output, so we say: + +prologues := 1 ; +warningcheck := 0 ; +mpprocset := 1 ; + +%D Namespace handling: + +% let exclamationmark = ! ; +% let questionmark = ? ; +% +% def unprotect = +% let ! = relax ; +% let ? = relax ; +% enddef ; +% +% def protect = +% let ! = exclamationmark ; +% let ? = questionmark ; +% enddef ; +% +% unprotect ; +% +% mp!some!module = 10 ; show mp!some!module ; show somemodule ; +% +% protect ; + +string space ; space := char 32 ; +string CRLF ; CRLF := char 10 & char 13 ; + +vardef ddecimal primary p = + decimal xpart p & " " & decimal ypart p +enddef ; + +%D Colors: + +newinternal nocolormodel ; nocolormodel := 1 ; +newinternal greycolormodel ; greycolormodel := 3 ; +newinternal graycolormodel ; graycolormodel := 3 ; +newinternal rgbcolormodel ; rgbcolormodel := 5 ; +newinternal cmykcolormodel ; cmykcolormodel := 7 ; + +let grayscale = numeric ; +let greyscale = numeric ; + +vardef colorpart expr c = + if not picture c : + 0 + elseif colormodel c = greycolormodel : + greypart c + elseif colormodel c = rgbcolormodel : + (redpart c,greenpart c,bluepart c) + elseif colormodel c = cmykcolormodel : + (cyanpart c,magentapart c,yellowpart c,blackpart c) + else : + 0 % black + fi +enddef ; + +vardef colorlike(text c) text v = % colorlike(a) b, c, d ; + save _p_ ; picture _p_ ; + forsuffixes i=v : + _p_ := image(draw origin withcolor c ;) ; % intercept pre and postscripts + if (colormodel _p_ = cmykcolormodel) : + cmykcolor i ; + elseif (colormodel _p_ = rgbcolormodel) : + rgbcolor i ; + else : + greycolor i ; + fi ; + endfor ; +enddef ; + +%D Also handy (when we flush colors): + +vardef dddecimal primary c = + decimal redpart c & " " & decimal greenpart c & " " & decimal bluepart c +enddef ; + +vardef ddddecimal primary c = + decimal cyanpart c & " " & decimal magentapart c & " " & decimal yellowpart c & " " & decimal blackpart c +enddef ; + +vardef colordecimals primary c = + if cmykcolor c : + decimal cyanpart c & ":" & decimal magentapart c & ":" & decimal yellowpart c & ":" & decimal blackpart c + elseif rgbcolor c : + decimal redpart c & ":" & decimal greenpart c & ":" & decimal bluepart c + else : + decimal c + fi +enddef ; + +%D We have standardized data file names: + +def job_name = + jobname +enddef ; + +def data_mpd_file = + job_name & "-mp.mpd" +enddef ; + +%D Because \METAPOST\ has a hard coded limit of 4~datafiles, +%D we need some trickery when we have multiple files. + +if unknown collapse_data : + boolean collapse_data ; + collapse_data := false ; +fi ; + +boolean savingdata ; savingdata := false ; +boolean savingdatadone ; savingdatadone := false ; + +def savedata expr txt = + write if collapse_data : + txt + else : + if savingdata : txt else : "\MPdata{" & decimal charcode & "}{" & txt & "}" fi & "%" + fi to data_mpd_file ; +enddef ; + +def startsavingdata = + savingdata := true ; + savingdatadone := true ; + if collapse_data : + write "\MPdata{" & decimal charcode & "}{%" to data_mpd_file ; + fi ; +enddef ; + +def stopsavingdata = + if collapse_data : + write "}%" to data_mpd_file ; + fi ; + savingdata := false ; +enddef ; + +def finishsavingdata = + if savingdatadone : + write EOF to data_mpd_file ; + savingdatadone := false ; + fi ; +enddef ; + +%D Instead of a keystroke eating save and allocation +%D sequence, you can use the \citeer {new} alternatives to +%D save and allocate in one command. + +def newcolor text v = forsuffixes i=v : save i ; color i ; endfor ; enddef ; +def newnumeric text v = forsuffixes i=v : save i ; numeric i ; endfor ; enddef ; +def newboolean text v = forsuffixes i=v : save i ; boolean i ; endfor ; enddef ; +def newtransform text v = forsuffixes i=v : save i ; transform i ; endfor ; enddef ; +def newpath text v = forsuffixes i=v : save i ; path i ; endfor ; enddef ; +def newpicture text v = forsuffixes i=v : save i ; picture i ; endfor ; enddef ; +def newstring text v = forsuffixes i=v : save i ; string i ; endfor ; enddef ; +def newpair text v = forsuffixes i=v : save i ; pair i ; endfor ; enddef ; + +%D Sometimes we don't want parts of the graphics add to the +%D bounding box. One way of doing this is to save the bounding +%D box, draw the graphics that may not count, and restore the +%D bounding box. +%D +%D \starttypen +%D push_boundingbox currentpicture; +%D pop_boundingbox currentpicture; +%D \stoptypen +%D +%D The bounding box can be called with: +%D +%D \starttypen +%D boundingbox currentpicture +%D inner_boundingbox currentpicture +%D outer_boundingbox currentpicture +%D \stoptypen +%D +%D Especially the latter one can be of use when we include +%D the graphic in a document that is clipped to the bounding +%D box. In such occasions one can use: +%D +%D \starttypen +%D set_outer_boundingbox currentpicture; +%D \stoptypen +%D +%D Its counterpart is: +%D +%D \starttypen +%D set_inner_boundingbox p +%D \stoptypen + +path mfun_boundingbox_stack ; +numeric mfun_boundingbox_stack_depth ; + +mfun_boundingbox_stack_depth := 0 ; + +def pushboundingbox text p = + mfun_boundingbox_stack_depth := mfun_boundingbox_stack_depth + 1 ; + mfun_boundingbox_stack[mfun_boundingbox_stack_depth] := boundingbox p ; +enddef ; + +def popboundingbox text p = + setbounds p to mfun_boundingbox_stack[mfun_boundingbox_stack_depth] ; + mfun_boundingbox_stack[mfun_boundingbox_stack_depth] := origin ; + mfun_boundingbox_stack_depth := mfun_boundingbox_stack_depth - 1 ; +enddef ; + +let push_boundingbox = pushboundingbox ; % downward compatible +let pop_boundingbox = popboundingbox ; % downward compatible + +vardef boundingbox primary p = + if (path p) or (picture p) : + llcorner p -- lrcorner p -- urcorner p -- ulcorner p + else : + origin + fi -- cycle +enddef; + +vardef innerboundingbox primary p = + top rt llcorner p -- + top lft lrcorner p -- + bot lft urcorner p -- + bot rt ulcorner p -- cycle +enddef; + +vardef outerboundingbox primary p = + bot lft llcorner p -- + bot rt lrcorner p -- + top rt urcorner p -- + top lft ulcorner p -- cycle +enddef; + +def inner_boundingbox = innerboundingbox enddef ; +def outer_boundingbox = outerboundingbox enddef ; + +vardef set_inner_boundingbox text q = % obsolete + setbounds q to innerboundingbox q; +enddef; + +vardef set_outer_boundingbox text q = % obsolete + setbounds q to outerboundingbox q; +enddef; + +%D Some missing functions can be implemented rather +%D straightforward: + +numeric Pi ; Pi := 3.1415926 ; + +vardef sqr primary x = x*x enddef ; +vardef log primary x = if x=0: 0 else: mlog(x)/mlog(10) fi enddef ; +vardef ln primary x = if x=0: 0 else: mlog(x)/256 fi enddef ; +vardef exp primary x = (mexp 256)**x enddef ; +vardef inv primary x = if x=0: 0 else: x**-1 fi enddef ; + +vardef pow (expr x,p) = x**p enddef ; + +vardef asin primary x = x+(x**3)/6+3(x**5)/40 enddef ; +vardef acos primary x = asin(-x) enddef ; +vardef atan primary x = x-(x**3)/3+(x**5)/5-(x**7)/7 enddef ; +vardef tand primary x = sind(x)/cosd(x) enddef ; + +%D Here are Taco Hoekwater's alternatives (but vardef'd and primaried). + +pi := 3.1415926 ; radian := 180/pi ; % 2pi*radian = 360 ; + +vardef tand primary x = sind(x)/cosd(x) enddef ; +vardef cotd primary x = cosd(x)/sind(x) enddef ; + +vardef sin primary x = sind(x*radian) enddef ; +vardef cos primary x = cosd(x*radian) enddef ; +vardef tan primary x = sin(x)/cos(x) enddef ; +vardef cot primary x = cos(x)/sin(x) enddef ; + +vardef asin primary x = angle((1+-+x,x)) enddef ; +vardef acos primary x = angle((x,1+-+x)) enddef ; + +vardef invsin primary x = (asin(x))/radian enddef ; +vardef invcos primary x = (acos(x))/radian enddef ; + +vardef acosh primary x = ln(x+(x+-+1)) enddef ; +vardef asinh primary x = ln(x+(x++1)) enddef ; + +vardef sinh primary x = save xx ; xx = exp x ; (xx-1/xx)/2 enddef ; +vardef cosh primary x = save xx ; xx = exp x ; (xx+1/xx)/2 enddef ; + +%D We provide two macros for drawing stripes across a shape. +%D The first method (with the n suffix) uses another method, +%D slower in calculation, but more efficient when drawn. The +%D first macro divides the sides into n equal parts. The +%D first argument specifies the way the lines are drawn, while +%D the second argument identifier the way the shape is to be +%D drawn. +%D +%D \starttypen +%D stripe_path_n +%D (dashed evenly withcolor blue) +%D (filldraw) +%D fullcircle xscaled 100 yscaled 40 shifted (50,50) withpen pencircle scaled 4; +%D \stoptypen +%D +%D The a (or angle) alternative supports arbitrary angles and +%D is therefore more versatile. +%D +%D \starttypen +%D stripe_path_a +%D (withpen pencircle scaled 2 withcolor red) +%D (draw) +%D fullcircle xscaled 100 yscaled 40 withcolor blue; +%D \stoptypen +%D +%D The first alternative obeys: + +stripe_n := 10; +stripe_slot := 3; + +%D When no pen dimensions are passed, the slot determines +%D the spacing. +%D +%D The angle alternative is influenced by: + +% to be redone: use image + +stripe_gap := 5; +stripe_angle := 45; + +def stripe_path_n (text s_spec) (text s_draw) expr s_path = + do_stripe_path_n (s_spec) (s_draw) (s_path) +enddef; + +def do_stripe_path_n (text s_spec) (text s_draw) (expr s_path) text s_text = + begingroup ; + save curpic, newpic, bb, pp, ww ; + picture curpic, newpic ; + path bb, pp ; + pp := s_path ; + curpic := currentpicture ; + currentpicture := nullpicture ; + s_draw pp s_text ; + bb := boundingbox currentpicture ; + newpic := currentpicture ; + currentpicture := nullpicture; + ww := min(ypart urcorner newpic - ypart llcorner newpic,xpart urcorner newpic - xpart llcorner newpic) ; + ww := ww/(stripe_slot*stripe_n) ; + for i=1/stripe_n step 1/stripe_n until 1 : + draw point (1+i) of bb -- point (3-i) of bb withpen pencircle scaled ww s_spec ; + endfor ; + for i=0 step 1/stripe_n until 1 : + draw point (3+i) of bb -- point (1-i) of bb withpen pencircle scaled ww s_spec; + endfor ; + clip currentpicture to pp ; + addto newpic also currentpicture ; + currentpicture := curpic ; + addto currentpicture also newpic ; + endgroup ; +enddef ; + +def stripe_path_a (text s_spec) (text s_draw) expr s_path = + do_stripe_path_a (s_spec) (s_draw) (s_path) +enddef; + +def do_stripe_path_a (text s_spec) (text s_draw) (expr s_path) text s_text = + begingroup ; + save curpic, newpic, pp; picture curpic, newpic; path pp ; + pp := s_path ; + curpic := currentpicture ; + currentpicture := nullpicture ; + s_draw pp s_text ; + def do_stripe_rotation (expr p) = + (currentpicture rotatedaround(center p,stripe_angle)) + enddef ; + s_max := max ( + xpart llcorner do_stripe_rotation(currentpicture), + xpart urcorner do_stripe_rotation(currentpicture), + ypart llcorner do_stripe_rotation(currentpicture), + ypart urcorner do_stripe_rotation(currentpicture) + ) ; + newpic := currentpicture ; + currentpicture := nullpicture ; + for i=-s_max-.5stripe_gap step stripe_gap until s_max : + draw (-s_max,i)--(s_max,i) s_spec ; + endfor ; + currentpicture := do_stripe_rotation(newpic) ; + clip currentpicture to pp ; + addto newpic also currentpicture ; + currentpicture := curpic ; + addto currentpicture also newpic ; + endgroup ; +enddef; + +%D A few normalizing macros: + +primarydef p xsized w = + (p if (bbwidth (p)>0) and (w>0) : scaled (w/bbwidth (p)) fi) +enddef ; + +primarydef p ysized h = + (p if (bbheight(p)>0) and (h>0) : scaled (h/bbheight(p)) fi) +enddef ; + +primarydef p xysized s = + begingroup + save wh, w, h ; pair wh ; numeric w, h ; + wh := paired (s) ; w := bbwidth(p) ; h := bbheight(p) ; + p + if (w>0) and (h>0) : + if xpart wh > 0 : xscaled (xpart wh/w) fi + if ypart wh > 0 : yscaled (ypart wh/h) fi + fi + endgroup +enddef ; + +let sized = xysized ; + +def xscale_currentpicture(expr w) = % obsolete + currentpicture := currentpicture xsized w ; +enddef; + +def yscale_currentpicture(expr h) = % obsolete + currentpicture := currentpicture ysized h ; +enddef; + +def xyscale_currentpicture(expr w, h) = % obsolete + currentpicture := currentpicture xysized (w,h) ; +enddef; + +def scale_currentpicture(expr w, h) = % obsolete + currentpicture := currentpicture xsized w ; + currentpicture := currentpicture ysized h ; +enddef; + +%D A full circle is centered at the origin, while a unitsquare +%D is located in the first quadrant. Now guess what kind of +%D path fullsquare and unitcircle do return. + +path fullsquare, unitcircle ; + +fullsquare := unitsquare shifted - center unitsquare ; +unitcircle := fullcircle shifted urcorner fullcircle ; + +%D Some more paths: + +path urcircle, ulcircle, llcircle, lrcircle ; + +urcircle := origin -- (+.5,0) & (+.5,0){up} .. (0,+.5) & (0,+.5) -- cycle ; +ulcircle := origin -- (0,+.5) & (0,+.5){left} .. (-.5,0) & (-.5,0) -- cycle ; +llcircle := origin -- (-.5,0) & (-.5,0){down} .. (0,-.5) & (0,-.5) -- cycle ; +lrcircle := origin -- (0,-.5) & (0,-.5){right} .. (+.5,0) & (+.5,0) -- cycle ; + +path tcircle, bcircle, lcircle, rcircle ; + +tcircle = origin -- (+.5,0) & (+.5,0) {up} .. (0,+.5) .. {down} (-.5,0) -- cycle ; +bcircle = origin -- (-.5,0) & (-.5,0) {down} .. (0,-.5) .. {up} (+.5,0) -- cycle ; +lcircle = origin -- (0,+.5) & (0,+.5) {left} .. (-.5,0) .. {right} (0,-.5) -- cycle ; +rcircle = origin -- (0,-.5) & (0,-.5) {right} .. (+.5,0) .. {left} (0,+.5) -- cycle ; + +path urtriangle, ultriangle, lltriangle, lrtriangle ; % watch out: it's contrary to what you expect and starts in the origin + +urtriangle := origin -- (+.5,0) -- (0,+.5) -- cycle ; +ultriangle := origin -- (0,+.5) -- (-.5,0) -- cycle ; +lltriangle := origin -- (-.5,0) -- (0,-.5) -- cycle ; +lrtriangle := origin -- (0,-.5) -- (+.5,0) -- cycle ; + +path unitdiamond, fulldiamond ; + +unitdiamond := (.5,0) -- (1,.5) -- (.5,1) -- (0,.5) -- cycle ; +fulldiamond := unitdiamond shifted - center unitdiamond ; + +%D More robust: + +% let normalscaled = scaled ; +% let normalxscaled = xscaled ; +% let normalyscaled = yscaled ; +% +% def scaled expr s = normalscaled (s) enddef ; +% def xscaled expr s = normalxscaled (s) enddef ; +% def yscaled expr s = normalyscaled (s) enddef ; + +%D Shorter + +primarydef p xyscaled q = % secundarydef does not work out well + begingroup + save qq ; pair qq ; + qq = paired(q) ; + p + if xpart qq <> 0 : xscaled (xpart qq) fi + if ypart qq <> 0 : yscaled (ypart qq) fi + endgroup +enddef ; + +%D Some personal code that might move to another module + +def set_grid(expr w, h, nx, ny) = + boolean grid[][] ; boolean grid_full ; + numeric grid_w, grid_h, grid_nx, grid_ny, grid_x, grid_y, grid_left ; + grid_w := w ; + grid_h := h ; + grid_nx := nx ; + grid_ny := ny ; + grid_x := round(w/grid_nx) ; % +.5) ; + grid_y := round(h/grid_ny) ; % +.5) ; + grid_left := (1+grid_x)*(1+grid_y) ; + grid_full := false ; + for i=0 upto grid_x : + for j=0 upto grid_y : + grid[i][j] := false ; + endfor ; + endfor ; +enddef ; + +vardef new_on_grid(expr _dx_, _dy_) = + dx := _dx_ ; + dy := _dy_ ; + ddx := min(round(dx/grid_nx),grid_x) ; % +.5),grid_x) ; + ddy := min(round(dy/grid_ny),grid_y) ; % +.5),grid_y) ; + if not grid_full and not grid[ddx][ddy] : + grid[ddx][ddy] := true ; + grid_left := grid_left-1 ; + grid_full := (grid_left=0) ; + true + else : + false + fi +enddef ; + +%D usage: \type{innerpath peepholed outerpath}. +%D +%D beginfig(1); +%D def fullsquare = (unitsquare shifted -center unitsquare) enddef ; +%D fill (fullsquare scaled 200) withcolor red ; +%D path p ; p := (fullcircle scaled 100) ; bboxmargin := 0 ; +%D fill p peepholed bbox p ; +%D endfig; + +secondarydef p peepholed q = + begingroup + save start ; pair start ; + start := point 0 of p ; + if xpart start >= xpart center p : + if ypart start >= ypart center p : + urcorner q -- ulcorner q -- llcorner q -- lrcorner q -- + reverse p -- lrcorner q -- cycle + else : + lrcorner q -- urcorner q -- ulcorner q -- llcorner q -- + reverse p -- llcorner q -- cycle + fi + else : + if ypart start > ypart center p : + ulcorner q -- llcorner q -- lrcorner q -- urcorner q -- + reverse p -- urcorner q -- cycle + else : + llcorner q -- lrcorner q -- urcorner q -- ulcorner q -- + reverse p -- ulcorner q -- cycle + fi + fi + endgroup +enddef ; + +boolean intersection_found ; + +secondarydef p intersection_point q = + begingroup + save x_, y_ ; + (x_,y_) = p intersectiontimes q ; + if x_<0 : + intersection_found := false ; + center p % origin + else : + intersection_found := true ; + .5[point x_ of p, point y_ of q] + fi + endgroup +enddef ; + +%D New, undocumented, experimental: + +vardef tensecircle (expr width, height, offset) = + (-width/2,-height/2) ... (0,-height/2-offset) ... + (+width/2,-height/2) ... (+width/2+offset,0) ... + (+width/2,+height/2) ... (0,+height/2+offset) ... + (-width/2,+height/2) ... (-width/2-offset,0) ... cycle +enddef ; + +vardef roundedsquare (expr width, height, offset) = + (offset,0) -- (width-offset,0) {right} .. + (width,offset) -- (width,height-offset) {up} .. + (width-offset,height) -- (offset,height) {left} .. + (0,height-offset) -- (0,offset) {down} .. cycle +enddef ; + +%D Some colors. + +def colortype(expr c) = + if cmykcolor c : cmykcolor elseif rgbcolor c : rgbcolor else : grayscale fi +enddef ; + +vardef whitecolor(expr c) = + if cmykcolor c : (0,0,0,0) elseif rgbcolor c : (1,1,1) else : 1 fi +enddef ; + +vardef blackcolor(expr c) = + if cmykcolor c : (0,0,0,1) elseif rgbcolor c : (0,0,0) else : 0 fi +enddef ; + +%D Well, this is the dangerous and naive version: + +def drawfill text t = + fill t ; + draw t ; +enddef; + +%D This two step approach saves the path first, since it can +%D be a function. Attributes must not be randomized. + +def drawfill expr c = + path _c_ ; _c_ := c ; + mfun_do_drawfill +enddef ; + +def mfun_do_drawfill text t = + draw _c_ t ; + fill _c_ t ; +enddef; + +def undrawfill expr c = + drawfill c withcolor background % rather useless +enddef ; + +%D Moved from mp-char.mp + +vardef paired primary d = + if pair d : d else : (d,d) fi +enddef ; + +vardef tripled primary d = + if color d : d else : (d,d,d) fi +enddef ; + +% maybe secondaries: + +primarydef p enlarged d = ( p llmoved d -- p lrmoved d -- p urmoved d -- p ulmoved d -- cycle ) enddef ; +primarydef p llenlarged d = ( p llmoved d -- lrcorner p -- urcorner p -- ulcorner p -- cycle ) enddef ; +primarydef p lrenlarged d = ( llcorner p -- p lrmoved d -- urcorner p -- ulcorner p -- cycle ) enddef ; +primarydef p urenlarged d = ( llcorner p -- lrcorner p -- p urmoved d -- ulcorner p -- cycle ) enddef ; +primarydef p ulenlarged d = ( llcorner p -- lrcorner p -- urcorner p -- p ulmoved d -- cycle ) enddef ; + +primarydef p llmoved d = ( (llcorner p) shifted (-xpart paired(d),-ypart paired(d)) ) enddef ; +primarydef p lrmoved d = ( (lrcorner p) shifted (+xpart paired(d),-ypart paired(d)) ) enddef ; +primarydef p urmoved d = ( (urcorner p) shifted (+xpart paired(d),+ypart paired(d)) ) enddef ; +primarydef p ulmoved d = ( (ulcorner p) shifted (-xpart paired(d),+ypart paired(d)) ) enddef ; + +primarydef p leftenlarged d = ( (llcorner p) shifted (-d,0) -- lrcorner p -- urcorner p -- (ulcorner p) shifted (-d,0) -- cycle ) enddef ; +primarydef p rightenlarged d = ( llcorner p -- (lrcorner p) shifted (d,0) -- (urcorner p) shifted (d,0) -- ulcorner p -- cycle ) enddef ; +primarydef p topenlarged d = ( llcorner p -- lrcorner p -- (urcorner p) shifted (0,d) -- (ulcorner p) shifted (0,d) -- cycle ) enddef ; +primarydef p bottomenlarged d = ( llcorner p shifted (0,-d) -- lrcorner p shifted (0,-d) -- urcorner p -- ulcorner p -- cycle ) enddef ; + +%D Handy for testing/debugging: + +primarydef p crossed d = ( + if pair p : + p shifted (-d, 0) -- p -- + p shifted ( 0,-d) -- p -- + p shifted (+d, 0) -- p -- + p shifted ( 0,+d) -- p -- cycle + else : + center p shifted (-d, 0) -- llcorner p -- + center p shifted ( 0,-d) -- lrcorner p -- + center p shifted (+d, 0) -- urcorner p -- + center p shifted ( 0,+d) -- ulcorner p -- cycle + fi +) enddef ; + +%D Also handy (math ladders): + +vardef laddered primary p = % was expr + point 0 of p + for i=1 upto length(p) : + -- (xpart (point i of p), ypart (point (i-1) of p)) -- (point i of p) + endfor +enddef ; + +%D Saves typing: + +% vardef bottomboundary primary p = (llcorner p -- lrcorner p) enddef ; +% vardef rightboundary primary p = (lrcorner p -- urcorner p) enddef ; +% vardef topboundary primary p = (urcorner p -- ulcorner p) enddef ; +% vardef leftboundary primary p = (ulcorner p -- llcorner p) enddef ; + +vardef bottomboundary primary p = if pair p : p else : (llcorner p -- lrcorner p) fi enddef ; +vardef rightboundary primary p = if pair p : p else : (lrcorner p -- urcorner p) fi enddef ; +vardef topboundary primary p = if pair p : p else : (urcorner p -- ulcorner p) fi enddef ; +vardef leftboundary primary p = if pair p : p else : (ulcorner p -- llcorner p) fi enddef ; + +%D Nice too: + +primarydef p superellipsed s = + superellipse ( + .5[lrcorner p,urcorner p], + .5[urcorner p,ulcorner p], + .5[ulcorner p,llcorner p], + .5[llcorner p,lrcorner p], + s + ) +enddef ; + +primarydef p squeezed s = ( + (llcorner p .. .5[llcorner p,lrcorner p] shifted ( 0, ypart paired(s)) .. lrcorner p) & + (lrcorner p .. .5[lrcorner p,urcorner p] shifted (-xpart paired(s), 0) .. urcorner p) & + (urcorner p .. .5[urcorner p,ulcorner p] shifted ( 0,-ypart paired(s)) .. ulcorner p) & + (ulcorner p .. .5[ulcorner p,llcorner p] shifted ( xpart paired(s), 0) .. llcorner p) & cycle +) enddef ; + +primarydef p randomshifted s = + begingroup ; + save ss ; pair ss ; + ss := paired(s) ; + p shifted (-.5xpart ss + uniformdeviate xpart ss,-.5ypart ss + uniformdeviate ypart ss) + endgroup +enddef ; + +primarydef p randomized s = ( + if path p : + for i=0 upto length(p)-1 : + ((point i of p) randomshifted s) .. controls + ((postcontrol i of p) randomshifted s) and + ((precontrol (i+1) of p) randomshifted s) .. + endfor + if cycle p : + cycle + else : + ((point length(p) of p) randomshifted s) + fi + elseif pair p : + p randomshifted s + elseif cmykcolor p : + if color s : + (uniformdeviate cyanpart s * cyanpart p, + uniformdeviate magentapart s * magentapart p, + uniformdeviate yellowpart s * yellowpart p, + uniformdeviate blackpart s * blackpart p) + elseif pair s : + ((xpart s + uniformdeviate (ypart s - xpart s)) * p) + else : + (uniformdeviate s * p) + fi + elseif rgbcolor p : + if color s : + (uniformdeviate redpart s * redpart p, + uniformdeviate greenpart s * greenpart p, + uniformdeviate bluepart s * bluepart p) + elseif pair s : + ((xpart s + uniformdeviate (ypart s - xpart s)) * p) + else : + (uniformdeviate s * p) + fi + elseif color p : + if color s : + (uniformdeviate greypart s * greypart p) + elseif pair s : + ((xpart s + uniformdeviate (ypart s - xpart s)) * p) + else : + (uniformdeviate s * p) + fi + else : + p + uniformdeviate s + fi +) enddef ; + +%D Not perfect (alternative for interpath) + +vardef interpolated(expr s, p, q) = + save m ; numeric m ; + m := max(length(p),length(q)) ; + if path p : + for i=0 upto m-1 : + s[point (i /m) along p,point (i /m) along q] .. controls + s[postcontrol (i /m) along p,postcontrol (i /m) along q] and + s[precontrol ((i+1)/m) along p,precontrol ((i+1)/m) along q] .. + endfor + if cycle p : + cycle + else : + s[point infinity of p,point infinity of q] + fi + else : + a[p,q] + fi +enddef ; + +%D Interesting too: + +primarydef p paralleled d = ( + p shifted if d < 0 : - fi ((point abs(d) on (p rotatedaround(point 0 of p,90))) - point 0 of p) +) enddef ; + +vardef punked primary p = + point 0 of p for i=1 upto length(p)-1 : -- point i of p endfor + if cycle p : -- cycle else : -- point length(p) of p fi +enddef ; + +vardef curved primary p = + point 0 of p for i=1 upto length(p)-1 : .. point i of p endfor + if cycle p : .. cycle else : .. point length(p) of p fi +enddef ; + +primarydef p blownup s = + begingroup + save _p_ ; path _p_ ; + _p_ := p xysized (bbwidth(p)+2(xpart paired(s)),bbheight(p)+2(ypart paired(s))) ; + (_p_ shifted (center p - center _p_)) + endgroup +enddef ; + +%D Rather fundamental. + +% not yet ok + +vardef leftrightpath(expr p, l) = % used in s-pre-19 + save q, r, t, b ; path q, r ; pair t, b ; + t := (ulcorner p -- urcorner p) intersection_point p ; + b := (llcorner p -- lrcorner p) intersection_point p ; + r := if xpart directionpoint t of p < 0 : reverse p else : p fi ; % r is needed, else problems when reverse is fed + q := r cutbefore if l: t else: b fi ; + q := q if xpart point 0 of r > 0 : & r fi cutafter if l: b else: t fi ; + q +enddef ; + +vardef leftpath expr p = leftrightpath(p,true ) enddef ; +vardef rightpath expr p = leftrightpath(p,false) enddef ; + +%D Drawoptions + +def saveoptions = + save _op_ ; def _op_ = enddef ; +enddef ; + +%D Tracing. (not yet in lexer) + +let normaldraw = draw ; +let normalfill = fill ; + +% bugged in mplib so ... + +def normalfill expr c = addto currentpicture contour c _op_ enddef ; +def normaldraw expr p = addto currentpicture if picture p: also p else: doublepath p withpen currentpen fi _op_ enddef ; + +def drawlineoptions (text t) = def _lin_opt_ = t enddef ; enddef ; +def drawpointoptions (text t) = def _pnt_opt_ = t enddef ; enddef ; +def drawcontroloptions(text t) = def _ctr_opt_ = t enddef ; enddef ; +def drawlabeloptions (text t) = def _lab_opt_ = t enddef ; enddef ; +def draworiginoptions (text t) = def _ori_opt_ = t enddef ; enddef ; +def drawboundoptions (text t) = def _bnd_opt_ = t enddef ; enddef ; +def drawpathoptions (text t) = def _pth_opt_ = t enddef ; enddef ; + +def resetdrawoptions = + drawlineoptions (withpen pencircle scaled 1pt withcolor .5white) ; + drawpointoptions (withpen pencircle scaled 4pt withcolor black) ; + drawcontroloptions(withpen pencircle scaled 2.5pt withcolor black) ; + drawlabeloptions () ; + draworiginoptions (withpen pencircle scaled 1pt withcolor .5white) ; + drawboundoptions (dashed evenly _ori_opt_) ; + drawpathoptions (withpen pencircle scaled 5pt withcolor .8white) ; +enddef ; + +resetdrawoptions ; + +%D Path. + +def drawpath expr p = + normaldraw p _pth_opt_ +enddef ; + +%D Arrow. + +vardef drawarrowpath expr p = + save autoarrows ; boolean autoarrows ; autoarrows := true ; + drawarrow p _pth_opt_ +enddef ; + +def midarrowhead expr p = + arrowhead p cutafter (point length(p cutafter point .5 along p)+ahlength on p) +enddef ; + +vardef arrowheadonpath (expr p, s) = + save autoarrows ; boolean autoarrows ; + autoarrows := true ; + set_ahlength(scaled ahfactor) ; % added + arrowhead p if s<1 : cutafter (point (s*arclength(p)+.5ahlength) on p) fi +enddef ; + +%D Points. + +def drawpoint expr c = + if string c : + string _c_ ; + _c_ := "(" & c & ")" ; + dotlabel.urt(_c_, scantokens _c_) ; + drawdot scantokens _c_ + else : + dotlabel.urt("(" & decimal xpart c & "," & decimal ypart c & ")", c) ; + drawdot c + fi _pnt_opt_ +enddef ; + +%D PathPoints. + +def drawpoints expr c = path _c_ ; _c_ := c ; mfun_draw_points enddef ; +def drawcontrolpoints expr c = path _c_ ; _c_ := c ; mfun_draw_controlpoints enddef ; +def drawcontrollines expr c = path _c_ ; _c_ := c ; mfun_draw_controllines enddef ; +def drawpointlabels expr c = path _c_ ; _c_ := c ; mfun_draw_pointlabels enddef ; + +def mfun_draw_points text t = + for _i_=0 upto length(_c_) : + normaldraw point _i_ of _c_ _pnt_opt_ t ; + endfor ; +enddef; + +def mfun_draw_controlpoints text t = + for _i_=0 upto length(_c_) : + normaldraw precontrol _i_ of _c_ _ctr_opt_ t ; + normaldraw postcontrol _i_ of _c_ _ctr_opt_ t ; + endfor ; +enddef; + +def mfun_draw_controllines text t = + for _i_=0 upto length(_c_) : + normaldraw point _i_ of _c_ -- precontrol _i_ of _c_ _lin_opt_ t ; + normaldraw point _i_ of _c_ -- postcontrol _i_ of _c_ _lin_opt_ t ; + endfor ; +enddef; + +boolean swappointlabels ; swappointlabels := false ; + +def mfun_draw_pointlabels text t = + for _i_=0 upto length(_c_) : + pair _u_ ; _u_ := unitvector(direction _i_ of _c_) rotated if swappointlabels : - fi 90 ; + pair _p_ ; _p_ := (point _i_ of _c_) ; + _u_ := 12 * defaultscale * _u_ ; + normaldraw thelabel ( decimal _i_, _p_ shifted if cycle _c_ and (_i_=0) : - fi _u_ ) _lab_opt_ t ; + endfor ; +enddef; + +%D Bounding box. + +def drawboundingbox expr p = + normaldraw boundingbox p _bnd_opt_ +enddef ; + +%D Origin. + +numeric originlength ; originlength := .5cm ; + +def draworigin text t = + normaldraw (origin shifted (0, originlength) -- origin shifted (0,-originlength)) _ori_opt_ t ; + normaldraw (origin shifted ( originlength,0) -- origin shifted (-originlength,0)) _ori_opt_ t ; +enddef; + +%D Axis. + +numeric tickstep ; tickstep := 5mm ; +numeric ticklength ; ticklength := 2mm ; + +def drawxticks expr c = path _c_ ; _c_ := c ; mfun_draw_xticks enddef ; +def drawyticks expr c = path _c_ ; _c_ := c ; mfun_draw_yticks enddef ; +def drawticks expr c = path _c_ ; _c_ := c ; mfun_draw_ticks enddef ; + +% Adding eps prevents disappearance due to rounding errors. + +def mfun_draw_xticks text t = + for i=0 step -tickstep until xpart llcorner _c_ - eps : + if (i<=xpart lrcorner _c_) : + normaldraw (i,-ticklength)--(i,ticklength) _ori_opt_ t ; + fi ; + endfor ; + for i=0 step tickstep until xpart lrcorner _c_ + eps : + if (i>=xpart llcorner _c_) : + normaldraw (i,-ticklength)--(i,ticklength) _ori_opt_ t ; + fi ; + endfor ; + normaldraw (llcorner _c_ -- ulcorner _c_) shifted (-xpart llcorner _c_,0) _ori_opt_ t ; +enddef ; + +def mfun_draw_yticks text t = + for i=0 step -tickstep until ypart llcorner _c_ - eps : + if (i<=ypart ulcorner _c_) : + normaldraw (-ticklength,i)--(ticklength,i) _ori_opt_ t ; + fi ; + endfor ; + for i=0 step tickstep until ypart ulcorner _c_ + eps : + if (i>=ypart llcorner _c_) : + normaldraw (-ticklength,i)--(ticklength,i) _ori_opt_ t ; + fi ; + endfor ; + normaldraw (llcorner _c_ -- lrcorner _c_) shifted (0,-ypart llcorner _c_) _ori_opt_ t ; +enddef ; + +def mfun_draw_ticks text t = + drawxticks _c_ t ; + drawyticks _c_ t ; +enddef ; + +%D All of it except axis. + +def drawwholepath expr p = + draworigin ; + drawpath p ; + drawcontrollines p ; + drawcontrolpoints p ; + drawpoints p ; + drawboundingbox p ; + drawpointlabels p ; +enddef ; + +%D Tracing. + +def visualizeddraw expr c = + if picture c : normaldraw c else : path _c_ ; _c_ := c ; do_visualizeddraw fi +enddef ; + +def visualizedfill expr c = + if picture c : normalfill c else : path _c_ ; _c_ := c ; do_visualizedfill fi +enddef ; + +def do_visualizeddraw text t = + draworigin ; + drawpath _c_ t ; + drawcontrollines _c_ ; + drawcontrolpoints _c_ ; + drawpoints _c_ ; + drawboundingbox _c_ ; + drawpointlabels _c_ ; +enddef ; + +def do_visualizedfill text t = + if cycle _c_ : normalfill _c_ t fi ; + draworigin ; + drawcontrollines _c_ ; + drawcontrolpoints _c_ ; + drawpoints _c_ ; + drawboundingbox _c_ ; + drawpointlabels _c_ ; +enddef ; + +def visualizepaths = + let fill = visualizedfill ; + let draw = visualizeddraw ; +enddef ; + +def naturalizepaths = + let fill = normalfill ; + let draw = normaldraw ; +enddef ; + +extra_endfig := extra_endfig & " naturalizepaths ; " ; + +%D Noce tracer: + +def drawboundary primary p = + draw p dashed evenly withcolor white ; + draw p dashed oddly withcolor black ; + draw (- llcorner p) withpen pencircle scaled 3 withcolor white ; + draw (- llcorner p) withpen pencircle scaled 1.5 withcolor black ; +enddef ; + +%D Also handy: + +extra_beginfig := extra_beginfig & " truecorners := 0 ; " ; % restores +extra_beginfig := extra_beginfig & " miterlimit := 10 ; " ; % restores +extra_beginfig := extra_beginfig & " linejoin := rounded ; " ; % restores +extra_beginfig := extra_beginfig & " linecap := rounded ; " ; % restores + +%D Normally, arrowheads don't scale well. So we provide a +%D hack. + +boolean autoarrows ; autoarrows := false ; +numeric ahfactor ; ahfactor := 2.5 ; + +def set_ahlength (text t) = + % ahlength := (ahfactor*pen_size(_op_ t)) ; % _op_ added + % problem: _op_ can contain color so a no-go, we could apply the transform + % but i need to figure out the best way (fakepicture and take components). + ahlength := (ahfactor*pen_size(t)) ; +enddef ; + +vardef pen_size (text t) = + save p ; picture p ; p := nullpicture ; + addto p doublepath (top origin -- bot origin) t ; + (ypart urcorner p - ypart lrcorner p) +enddef ; + +%D The next two macros are adapted versions of plain +%D \METAPOST\ definitions. + +vardef arrowpath expr p = % patch by Peter Rolf: supports squared pen and shifting (hh: maybe just use center of head as first) + (p cutafter makepath(pencircle scaled 2(ahlength*cosd(.5ahangle)) shifted point length p of p)) +enddef; + +% def _finarr text t = +% if autoarrows : set_ahlength (t) fi ; +% draw arrowpath _apth t ; % arrowpath added +% filldraw arrowhead _apth t ; +% enddef; + +def _finarr text t = + if autoarrows : set_ahlength (t) fi ; + draw arrowpath _apth t ; % arrowpath added + fill arrowhead _apth t ; + draw arrowhead _apth t ; +enddef; + +def _findarr text t = + if autoarrows : set_ahlength (t) fi ; + draw arrowpath _apth t ; + fill arrowhead _apth withpen currentpen t ; + fill arrowhead reverse _apth withpen currentpen t ; +enddef ; + +%D Handy too ...... + +vardef pointarrow (expr pat, loc, len, off) = + save l, r, s, t ; path l, r ; numeric s ; pair t ; + t := if pair loc : loc else : point loc along pat fi ; + s := len/2 - off ; if s<=0 : s := 0 elseif s>len : s := len fi ; + r := pat cutbefore t ; + r := (r cutafter point (arctime s of r) of r) ; + s := len/2 + off ; if s<=0 : s := 0 elseif s>len : s := len fi ; + l := reverse (pat cutafter t) ; + l := (reverse (l cutafter point (arctime s of l) of l)) ; + (l..r) +enddef ; + +def rightarrow (expr pat,tim,len) = pointarrow(pat,tim,len,-len) enddef ; +def leftarrow (expr pat,tim,len) = pointarrow(pat,tim,len,+len) enddef ; +def centerarrow (expr pat,tim,len) = pointarrow(pat,tim,len, 0) enddef ; + +%D The \type {along} and \type {on} operators can be used +%D as follows: +%D +%D \starttypen +%D drawdot point .5 along somepath ; +%D drawdot point 3cm on somepath ; +%D \stoptypen +%D +%D The number denotes a percentage (fraction). + +primarydef pct along pat = % also negative + (arctime (pct * (arclength pat)) of pat) of pat +enddef ; + +primarydef len on pat = % no outer ( ) .. somehow fails + (arctime if len>0 : len else : (arclength(pat)+len) fi of pat) of pat +enddef ; + +% this cuts of a piece from both ends + +tertiarydef pat cutends len = + begingroup + save tap ; path tap ; + tap := pat cutbefore (point (xpart paired(len)) on pat) ; + (tap cutafter (point -(ypart paired(len)) on tap)) + endgroup +enddef ; + +%D To be documented. + +path freesquare ; + +freesquare := ( + (-1,0) -- (-1,-1) -- (0,-1) -- (+1,-1) -- + (+1,0) -- (+1,+1) -- (0,+1) -- (-1,+1) -- cycle +) scaled .5 ; + +numeric freelabeloffset ; freelabeloffset := 3pt ; +numeric freedotlabelsize ; freedotlabelsize := 3pt ; + +vardef thefreelabel (expr str, loc, ori) = + save s, p, q, l ; picture s ; path p, q ; pair l ; + interim labeloffset := freelabeloffset ; + s := if string str : thelabel(str,loc) else : str shifted -center str shifted loc fi ; + setbounds s to boundingbox s enlarged freelabeloffset ; + p := fullcircle scaled (2*length(loc-ori)) shifted ori ; + q := freesquare xyscaled (urcorner s - llcorner s) ; + l := point xpart (p intersectiontimes (ori--loc shifted (loc-ori))) of q ; + setbounds s to boundingbox s enlarged -freelabeloffset ; % new + % draw boundingbox s shifted -l withpen pencircle scaled .5pt withcolor red ; + (s shifted -l) +enddef ; + +vardef freelabel (expr str, loc, ori) = + draw thefreelabel(str,loc,ori) ; +enddef ; + +vardef freedotlabel (expr str, loc, ori) = + interim linecap := rounded ; + draw loc withpen pencircle scaled freedotlabelsize ; + draw thefreelabel(str,loc,ori) ; +enddef ; + +%D \starttypen +%D drawarrow anglebetween(line_a,line_b,somelabel) ; +%D \stoptypen + +newinternal angleoffset ; angleoffset := 0pt ; +newinternal anglelength ; anglelength := 20pt ; +newinternal anglemethod ; anglemethod := 1 ; + +vardef anglebetween (expr a, b, str) = % path path string + save pointa, pointb, common, middle, offset ; + pair pointa, pointb, common, middle, offset ; + save curve ; path curve ; + save where ; numeric where ; + if round point 0 of a = round point 0 of b : + common := point 0 of a ; + else : + common := a intersectionpoint b ; + fi ; + pointa := point anglelength on a ; + pointb := point anglelength on b ; + where := turningnumber (common--pointa--pointb--cycle) ; + middle := (reverse(common--pointa) rotatedaround (pointa,-where*90)) + intersection_point + (reverse(common--pointb) rotatedaround (pointb, where*90)) ; + if not intersection_found : + middle := point .5 along + ((reverse(common--pointa) rotatedaround (pointa,-where*90)) -- + ( (common--pointb) rotatedaround (pointb, where*90))) ; + fi ; + if anglemethod = 0 : + curve := pointa{unitvector(middle-pointa)}.. pointb; + middle := point .5 along curve ; + curve := common ; + elseif anglemethod = 1 : + curve := pointa{unitvector(middle-pointa)}.. pointb; + middle := point .5 along curve ; + elseif anglemethod = 2 : + middle := common rotatedaround(.5[pointa,pointb],180) ; + curve := pointa--middle--pointb ; + elseif anglemethod = 3 : + curve := pointa--middle--pointb ; + elseif anglemethod = 4 : + curve := pointa..controls middle..pointb ; + middle := point .5 along curve ; + fi ; + draw thefreelabel(str, middle, common) ; % withcolor black ; + curve +enddef ; + +% Stack + +picture mfun_current_picture_stack[] ; +numeric mfun_current_picture_depth ; + +mfun_current_picture_depth := 0 ; + +def pushcurrentpicture = + mfun_current_picture_depth := mfun_current_picture_depth + 1 ; + mfun_current_picture_stack[mfun_current_picture_depth] := currentpicture ; + currentpicture := nullpicture ; +enddef ; + +def popcurrentpicture text t = % optional text + if mfun_current_picture_depth > 0 : + addto mfun_current_picture_stack[mfun_current_picture_depth] also currentpicture t ; + currentpicture := mfun_current_picture_stack[mfun_current_picture_depth] ; + mfun_current_picture_stack[mfun_current_picture_depth] := nullpicture ; + mfun_current_picture_depth := mfun_current_picture_depth - 1 ; + fi ; +enddef ; + +%D colorcircle(size, red, green, blue) ; + +vardef colorcircle (expr size, red, green, blue) = % might move + save r, g, b, c, m, y, w ; save radius ; + path r, g, b, c, m, y, w ; numeric radius ; + + radius := 5cm ; pickup pencircle scaled (radius/25) ; + + transform t ; t := identity rotatedaround(origin,120) ; + + r := fullcircle rotated 90 scaled radius shifted (0,radius/4) rotatedaround(origin,135) ; + + b := r transformed t ; g := b transformed t ; + + c := buildcycle(subpath(1,7) of g,subpath(1,7) of b) ; + y := c transformed t ; m := y transformed t ; + + w := buildcycle(subpath(3,5) of r, subpath(3,5) of g,subpath(3,5) of b) ; + + pushcurrentpicture ; + + fill r withcolor red ; + fill g withcolor green ; + fill b withcolor blue ; + fill c withcolor white - red ; + fill m withcolor white - green ; + fill y withcolor white - blue ; + fill w withcolor white ; + + for i = r,g,b,c,m,y : draw i withcolor .5white ; endfor ; + + currentpicture := currentpicture xsized size ; + + popcurrentpicture ; +enddef ; + +% penpoint (i,2) of somepath -> inner / outer point + +vardef penpoint expr pnt of p = + save n, d ; numeric n, d ; + (n,d) = if pair pnt : pnt else : (pnt,1) fi ; + (point n of p shifted ((penoffset direction n of p of currentpen) scaled d)) +enddef ; + +% nice: currentpicture := inverted currentpicture ; + +primarydef p uncolored c = + if color p : + c - p + else : + image ( + for i within p : + addto currentpicture + if stroked i or filled i : + if filled i : + contour + else : + doublepath + fi + pathpart i + dashed dashpart i withpen penpart i + else : + also i + fi + withcolor c-(redpart i, greenpart i, bluepart i) ; + endfor ; + ) + fi +enddef ; + +vardef inverted primary p = + p uncolored white +enddef ; + +primarydef p softened c = + begingroup + save cc ; color cc ; cc := tripled(c) ; + if color p : + (redpart cc * redpart p,greenpart cc * greenpart p, bluepart cc * bluepart p) + else : + image ( + for i within p : + addto currentpicture + if stroked i or filled i : + if filled i : + contour + else : + doublepath + fi + pathpart i + dashed dashpart i withpen penpart i + else : + also i + fi + withcolor (redpart cc * redpart i, greenpart cc * greenpart i, bluepart cc * bluepart i) ; + endfor ; + ) + fi + endgroup +enddef ; + +vardef grayed primary p = + if color p : + tripled(.30redpart p+.59greenpart p+.11bluepart p) + else : + image ( + for i within p : + addto currentpicture + if stroked i or filled i : + if filled i : + contour + else : + doublepath + fi + pathpart i + dashed dashpart i + withpen penpart i + else : + also i + fi + withcolor tripled(.30redpart i+.59greenpart i+.11bluepart i) ; + endfor ; + ) + fi +enddef ; + +% yes or no: "text" infont "cmr12" at 24pt ; + +% let normalinfont = infont ; +% +% numeric lastfontsize ; lastfontsize = fontsize defaultfont ; +% +% def infont primary name = % no vardef, no expr +% hide(lastfontsize := fontsize name) % no ; +% normalinfont name +% enddef ; +% +% def scaledat expr size = +% scaled (size/lastfontsize) +% enddef ; +% +% let at = scaledat ; + +% like decimal + +def condition primary b = if b : "true" else : "false" fi enddef ; + +% undocumented + +primarydef p stretched s = + begingroup + save pp ; path pp ; pp := p xyscaled s ; + (pp shifted ((point 0 of p) - (point 0 of pp))) + endgroup +enddef ; + +primarydef p enlonged len = + begingroup + if pair p : + save q ; path q ; q := origin -- p ; + save al ; al := arclength(q) ; + if al > 0 : + point 1 of (q stretched ((al+len)/al)) + else : + p + fi + else : + save al ; al := arclength(p) ; + if al > 0 : + p stretched ((al+len)/al) + else : + p + fi + fi + endgroup +enddef ; + +% path p ; p := (0,0) -- (10cm,5cm) ; +% drawarrow p withcolor red ; +% drawarrow p shortened 1cm withcolor green ; + +primarydef p shortened d = + reverse ( ( reverse (p enlonged -d) ) enlonged -d ) +enddef ; + +% yes or no, untested -) + +def xshifted expr dx = shifted(dx,0) enddef ; +def yshifted expr dy = shifted(0,dy) enddef ; + +% also handy + +% right: str = readfrom ("abc" & ".def" ) ; +% wrong: str = readfrom "abc" & ".def" ; + +% Every 62th read fails so we need to try again! + +% def readfile (expr name) = +% if (readfrom (name) <> EOF) : +% scantokens("input " & name & ";") ; +% elseif (readfrom (name) <> EOF) : +% scantokens("input " & name & ";") ; +% fi ; +% closefrom (name) ; +% enddef ; +% +% this sometimes fails on the elseif, so : +% + +def readfile (expr name) = + begingroup ; save ok ; boolean ok ; + if (readfrom (name) <> EOF) : + ok := false ; + elseif (readfrom (name) <> EOF) : + ok := false ; + else : + ok := true ; + fi ; + if not ok : + scantokens("input " & name & " ") ; + fi ; + closefrom (name) ; + endgroup ; +enddef ; + +% permits redefinition of end in macro + +inner end ; + +% this will be redone (when needed) using scripts and backend handling + +let normalwithcolor = withcolor ; + +def remapcolors = + def withcolor primary c = normalwithcolor remappedcolor(c) enddef ; +enddef ; + +def normalcolors = + let withcolor = normalwithcolor ; +enddef ; + +def resetcolormap = + color color_map[][][] ; + normalcolors ; +enddef ; + +resetcolormap ; + +def r_color primary c = redpart c enddef ; +def g_color primary c = greenpart c enddef ; +def b_color primary c = bluepart c enddef ; + +def remapcolor(expr old, new) = + color_map[redpart old][greenpart old][bluepart old] := new ; +enddef ; + +def remappedcolor(expr c) = + if known color_map[redpart c][greenpart c][bluepart c] : + color_map[redpart c][greenpart c][bluepart c] + else : + c + fi +enddef ; + +% Thanks to Jens-Uwe Morawski for pointing out that we need +% to treat bounded and clipped components as local pictures. + +def recolor suffix p = p := repathed (0,p) enddef ; +def refill suffix p = p := repathed (1,p) enddef ; +def redraw suffix p = p := repathed (2,p) enddef ; +def retext suffix p = p := repathed (3,p) enddef ; +def untext suffix p = p := repathed (4,p) enddef ; + +% primarydef p recolored t = repathed(0,p) t enddef ; +% primarydef p refilled t = repathed(1,p) t enddef ; +% primarydef p redrawn t = repathed(2,p) t enddef ; +% primarydef p retexted t = repathed(3,p) t enddef ; +% primarydef p untexted t = repathed(4,p) t enddef ; + +color refillbackground ; refillbackground := (1,1,1) ; + +def restroke suffix p = p := repathed (21,p) enddef ; % keep attributes +def reprocess suffix p = p := repathed (22,p) enddef ; % no attributes + +% also 11 and 12 + +vardef repathed (expr mode, p) text t = + begingroup ; + if mode = 0 : + save withcolor ; + remapcolors ; + fi ; + save _p_, _pp_, _ppp_, _f_, _b_, _t_ ; + picture _p_, _pp_, _ppp_ ; color _f_ ; path _b_ ; transform _t_ ; + _b_ := boundingbox p ; + _p_ := nullpicture ; + for i within p : + _f_ := (redpart i, greenpart i, bluepart i) ; + if bounded i : + _pp_ := repathed(mode,i) t ; + setbounds _pp_ to pathpart i ; + addto _p_ also _pp_ ; + elseif clipped i : + _pp_ := repathed(mode,i) t ; + clip _pp_ to pathpart i ; + addto _p_ also _pp_ ; + elseif stroked i : + if mode=21 : + _ppp_ := i ; % indirectness is needed + addto _p_ also image(scantokens(t & " pathpart _ppp_") + dashed dashpart i withpen penpart i + withcolor _f_ ; ) ; + elseif mode=22 : + _ppp_ := i ; % indirectness is needed + addto _p_ also image(scantokens(t & " pathpart _ppp_")) ; + else : + addto _p_ doublepath pathpart i + dashed dashpart i withpen penpart i + withcolor _f_ % (redpart i, greenpart i, bluepart i) + if mode = 2 : + t + fi ; + fi ; + elseif filled i : + if mode=11 : + _ppp_ := i ; % indirectness is needed + addto _p_ also image(scantokens(t & " pathpart _ppp_") + withcolor _f_ ; ) ; + elseif mode=12 : + _ppp_ := i ; % indirectness is needed + addto _p_ also image(scantokens(t & " pathpart _ppp_")) ; + else : + addto _p_ contour pathpart i + withcolor _f_ + if (mode=1) and (_f_<>refillbackground) : + t + fi ; + fi ; + elseif textual i : % textpart i <> "" : + if mode <> 4 : + % transform _t_ ; + % (xpart _t_, xxpart _t_, xypart _t_) = (xpart i, xxpart i, xypart i) ; + % (ypart _t_, yypart _t_, yxpart _t_) = (ypart i, yypart i, yxpart i) ; + % addto _p_ also + % textpart i infont fontpart i % todo : other font + % transformed _t_ + % withpen penpart i + % withcolor _f_ + % if mode=3 : t fi ; + addto _p_ also i + if mode=3 : + t + fi ; + fi ; + else : + addto _p_ also i ; + fi ; + endfor ; + setbounds _p_ to _b_ ; + _p_ + endgroup +enddef ; + +% After a question of Denis on how to erase a z variable, Jacko +% suggested to assign whatever to x and y. So a clearz +% variable can be defined as: +% +% vardef clearz@# = +% x@# := whatever ; +% y@# := whatever ; +% enddef ; +% +% but Jacko suggested a redefinition of clearxy: +% +% def clearxy text s = +% clearxy_index_:=0; +% for $:=s: +% clearxy_index_:=clearxy_index_+1; endfor; +% if clearxy_index_=0: +% save x,y; +% else: +% forsuffixes $:=s: x$:=whatever; y$:=whatever; endfor; +% fi +% enddef; +% +% which i decided to simplify to: + +def clearxy text s = + if false for $ := s : or true endfor : + forsuffixes $ := s : x$ := whatever ; y$ := whatever ; endfor ; + else : + save x, y ; + fi +enddef ; + +% so now we can say: clearxy ; as well as clearxy 1, 2, 3 ; + +% show x0 ; z0 = (10,10) ; +% show x0 ; x0 := whatever ; y0 := whatever ; +% show x0 ; z0 = (20,20) ; +% show x0 ; clearxy 0 ; +% show x0 ; z0 = (30,30) ; + +primarydef p smoothed d = + (p llmoved (-xpart paired(d),0) -- p lrmoved (-xpart paired(d),0) {right} .. + p lrmoved (0,-ypart paired(d)) -- p urmoved (0,-ypart paired(d)) {up} .. + p urmoved (-xpart paired(d),0) -- p ulmoved (-xpart paired(d),0) {left} .. + p ulmoved (0,-ypart paired(d)) -- p llmoved (0,-ypart paired(d)) {down} .. cycle) +enddef ; + +primarydef p cornered c = + ((point 0 of p) shifted (c*(unitvector(point 1 of p - point 0 of p))) -- + for i=1 upto length(p) : + (point i-1 of p) shifted (c*(unitvector(point i of p - point i-1 of p))) -- + (point i of p) shifted (c*(unitvector(point i-1 of p - point i of p))) .. + controls point i of p .. + endfor cycle) +enddef ; + +% cmyk color support + +% vardef cmyk(expr c,m,y,k) = % elsewhere +% (1-c-k,1-m-k,1-y-k) +% enddef ; + +% handy + +% vardef bbwidth (expr p) = % vardef width_of primary p = +% if known p : +% if path p or picture p : +% xpart (lrcorner p - llcorner p) +% else : +% 0 +% fi +% else : +% 0 +% fi +% enddef ; + +vardef bbwidth primary p = + if unknown p : + 0 + elseif path p or picture p : + xpart (lrcorner p - llcorner p) + else : + 0 + fi +enddef ; + +% vardef bbheight (expr p) = % vardef heigth_of primary p = +% if known p : +% if path p or picture p : +% ypart (urcorner p - lrcorner p) +% else : +% 0 +% fi +% else : +% 0 +% fi +% enddef ; + +vardef bbheight primary p = + if unknown p : + 0 + elseif path p or picture p : + ypart (urcorner p - lrcorner p) + else : + 0 + fi +enddef ; + +color nocolor ; numeric noline ; % both unknown signals + +def dowithpath (expr p, lw, lc, bc) = + if known p : + if known bc : + fill p withcolor bc ; + fi ; + if known lw and known lc : + draw p withpen pencircle scaled lw withcolor lc ; + elseif known lw : + draw p withpen pencircle scaled lw ; + elseif known lc : + draw p withcolor lc ; + fi ; + fi ; +enddef ; + +% result from metafont discussion list (denisr/boguslawj) + +def [[ = [ [ enddef ; def [[[ = [ [ [ enddef ; +def ]] = ] ] enddef ; def ]]] = ] ] ] enddef ; + +let == = = ; + +% added + +picture oddly ; % evenly already defined + +evenly := dashpattern(on 3 off 3) ; +oddly := dashpattern(off 3 on 3) ; + +% not perfect, but useful since it removes redundant points. + +vardef mfun_straightened(expr sign, p) = + save _p_, _q_ ; path _p_, _q_ ; + _p_ := p ; + forever : + _q_ := mfun_do_straightened(sign, _p_) ; + exitif length(_p_) = length(_q_) ; + _p_ := _q_ ; + endfor ; + _q_ +enddef ; + +vardef mfun_do_straightened(expr sign, p) = + if length(p)>2 : % was 1, but straight lines are ok + save pp ; path pp ; + pp := point 0 of p ; + for i=1 upto length(p)-1 : + if round(point i of p) <> round(point length(pp) of pp) : + pp := pp -- point i of p ; + fi ; + endfor ; + save n, ok ; numeric n ; boolean ok ; + n := length(pp) ; ok := false ; + if n>2 : + for i=0 upto n : % evt hier ook round + if unitvector(round(point i of pp - point if i=0 : n else : i-1 fi of pp)) <> + sign * unitvector(round(point if i=n : 0 else : i+1 fi of pp - point i of pp)) : + if ok : + -- + else : + ok := true ; + fi point i of pp + fi + endfor + if ok and (cycle p) : + -- cycle + fi + else : + pp + fi + else : + p + fi +enddef ; + +vardef simplified expr p = ( + reverse mfun_straightened(+1,mfun_straightened(+1,reverse p)) +) enddef ; + +vardef unspiked expr p = ( + reverse mfun_straightened(-1,mfun_straightened(-1,reverse p)) +) enddef ; + +% path p ; +% p := (2cm,1cm) -- (2cm,1cm) -- (2cm,1cm) -- (3cm,1cm) -- +% (4cm,1cm) -- (4cm,2cm) -- (4cm,2.5cm) -- (4cm,3cm) -- +% (3cm,3cm) -- (2cm,3cm) -- (1cm,3cm) -- (-1cm,3cm) -- +% .5[(-1cm,3cm),(1cm,1cm)] -- (1cm,1cm) -- cycle ; +% +% p := unitcircle scaled 4cm ; +% +% drawpath p ; drawpoints p ; drawpointlabels p ; +% p := p shifted (4cm,0) ; p := straightened p ; +% drawpath p ; drawpoints p ; drawpointlabels p ; +% p := p shifted (4cm,0) ; p := straightened p ; +% drawpath p ; drawpoints p ; drawpointlabels p ; + +% new + +path originpath ; originpath := origin -- cycle ; + +vardef unitvector primary z = + if abs z = abs origin : z else : z/abs z fi +enddef; + +% also new + +% vardef anchored@#(expr p, z) = % maybe use the textext variant +% p shifted (z + (labxf@#*lrcorner p + labyf@#*ulcorner p + (1-labxf@#-labyf@#)*llcorner p)) +% enddef ; + +% epsed(1.2345) + +vardef epsed (expr e) = + e if e>0 : + eps elseif e<0 : - eps fi +enddef ; + +% handy + +def withgray primary g = + withcolor (g,g,g) +enddef ; + +% for metafun + +if unknown darkred : color darkred ; darkred := .625(1,0,0) fi ; +if unknown darkgreen : color darkgreen ; darkgreen := .625(0,1,0) fi ; +if unknown darkblue : color darkblue ; darkblue := .625(0,0,1) fi ; +if unknown darkcyan : color darkcyan ; darkcyan := .625(0,1,1) fi ; +if unknown darkmagenta : color darkmagenta ; darkmagenta := .625(1,0,1) fi ; +if unknown darkyellow : color darkyellow ; darkyellow := .625(1,1,0) fi ; +if unknown darkgray : color darkgray ; darkgray := .625(1,1,1) fi ; +if unknown lightgray : color lightgray ; lightgray := .875(1,1,1) fi ; + +% an improved plain mp macro + +vardef center primary p = + if pair p : + p + else : + .5[llcorner p, urcorner p] + fi +enddef; + +% new, yet undocumented + +vardef rangepath (expr p, d, a) = + if length p>0 : + (d*unitvector(direction 0 of p) rotated a) shifted point 0 of p + -- p -- + (d*unitvector(direction length(p) of p) rotated a) shifted point length(p) of p + else : + p + fi +enddef ; + +% under construction + +vardef straightpath (expr a, b, method) = + if (method<1) or (method>6) : + (a--b) + elseif method = 1 : + (a -- + if xpart a > xpart b : + if ypart a > ypart b : + (xpart b,ypart a) -- + elseif ypart a < ypart b : + (xpart a,ypart b) -- + fi + elseif xpart a < xpart b : + if ypart a > ypart b : + (xpart a,ypart b) -- + elseif ypart a < ypart b : + (xpart b,ypart a) -- + fi + fi + b) + elseif method = 3 : + (a -- + if xpart a > xpart b : + (xpart b,ypart a) -- + elseif xpart a < xpart b : + (xpart a,ypart b) -- + fi + b) + elseif method = 5 : + (a -- + if ypart a > ypart b : + (xpart b,ypart a) -- + elseif ypart a < ypart b : + (xpart a,ypart b) -- + fi + b) + else : + (reverse straightpath(b,a,method-1)) + fi +enddef ; + +% handy for myself + +def addbackground text t = + begingroup ; + save p, b ; picture p ; path b ; + b := boundingbox currentpicture ; + p := currentpicture ; currentpicture := nullpicture ; + fill b t ; + setbounds currentpicture to b ; + addto currentpicture also p ; + endgroup ; +enddef ; + +% makes a (line) into an infinite one (handy for calculating +% intersection points + +vardef infinite expr p = + (-infinity*unitvector(direction 0 of p) + shifted point 0 of p + -- p -- + +infinity*unitvector(direction length(p) of p) + shifted point length(p) of p) +enddef ; + +% obscure macros: create var from string and replace - and : +% (needed for process color id's) .. will go away + +string mfun_clean_ascii[] ; + +def register_dirty_chars(expr str) = + for i = 0 upto length(str)-1 : + mfun_clean_ascii[ASCII substring(i,i+1) of str] := "_" ; + endfor ; +enddef ; + +register_dirty_chars("+-*/:;., ") ; + +vardef cleanstring (expr s) = + save ss ; string ss, si ; ss = "" ; save i ; + for i=0 upto length(s) : + si := substring(i,i+1) of s ; + ss := ss & if known mfun_clean_ascii[ASCII si] : mfun_clean_ascii[ASCII si] else : si fi ; + endfor ; + ss +enddef ; + +vardef asciistring (expr s) = + save ss ; string ss, si ; ss = "" ; save i ; + for i=0 upto length(s) : + si := substring(i,i+1) of s ; + if (ASCII si >= ASCII "0") and (ASCII si <= ASCII "9") : + ss := ss & char(scantokens(si) + ASCII "A") ; + else : + ss := ss & si ; + fi ; + endfor ; + ss +enddef ; + +vardef setunstringed (expr s, v) = + scantokens(cleanstring(s)) := v ; +enddef ; + +vardef getunstringed (expr s) = + scantokens(cleanstring(s)) +enddef ; + +vardef unstringed (expr s) = + expandafter known scantokens(cleanstring(s)) +enddef ; + +% for david arnold: + +% showgrid(-5,10,1cm,-10,10,1cm); + +def showgrid (expr MinX, MaxX, DeltaX, MinY, MaxY, DeltaY) = % will move + begingroup + save size ; numeric size ; size := 2pt ; + for x=MinX upto MaxX : + for y=MinY upto MaxY : + draw (x*DeltaX, y*DeltaY) withpen pencircle scaled + if (x mod 5 = 0) and (y mod 5 = 0) : + 1.5size withcolor .50white + else : + size withcolor .75white + fi ; + endfor ; + endfor ; + for x=MinX upto MaxX: + label.bot(textext("\infofont " & decimal x), (x*DeltaX,-size)) ; + endfor ; + for y=MinY upto MaxY: + label.lft(textext("\infofont " & decimal y), (-size,y*DeltaY)) ; + endfor ; + endgroup +enddef; + +% new, handy for: +% +% \startuseMPgraphic{map}{n} +% \includeMPgraphic{map:germany} ; +% c_phantom (\MPvar{n}<1) ( +% fill map_germany withcolor \MPcolor{lightgray} ; +% draw map_germany withpen pencircle scaled 1pt withcolor \MPcolor{darkgray} ; +% ) ; +% \includeMPgraphic{map:austria} ; +% c_phantom (\MPvar{n}<2) ( +% fill map_austria withcolor \MPcolor{lightgray} ; +% draw map_austria withpen pencircle scaled 1pt withcolor \MPcolor{darkgray} ; +% ) ; +% c_phantom (\MPvar{n}<3) ( +% \includeMPgraphic{map:swiss} ; +% fill map_swiss withcolor \MPcolor{lightgray} ; +% draw map_swiss withpen pencircle scaled 1pt withcolor \MPcolor{darkgray} ; +% ) ; +% c_phantom (\MPvar{n}<4) ( +% \includeMPgraphic{map:luxembourg} ; +% fill map_luxembourg withcolor \MPcolor{lightgray} ; +% draw map_luxembourg withpen pencircle scaled 1pt withcolor \MPcolor{darkgray} ; +% ) ; +% \stopuseMPgraphic +% +% \useMPgraphic{map}{n=3} + +vardef phantom (text t) = % to be checked + picture _p_ ; + _p_ := image(t) ; + addto _p_ also currentpicture ; + setbounds currentpicture to boundingbox _p_ ; +enddef ; + +vardef c_phantom (expr b) (text t) = + if b : + picture _p_ ; + _p_ := image(t) ; + addto _p_ also currentpicture ; + setbounds currentpicture to boundingbox _p_ ; + else : + t ; + fi ; +enddef ; + +%D Handy: + +def break = + exitif true fi ; +enddef ; + +%D New too: + +primarydef p xstretched w = ( + p if (bbwidth (p)>0) and (w>0) : xscaled (w/bbwidth (p)) fi +) enddef ; + +primarydef p ystretched h = ( + p if (bbheight(p)>0) and (h>0) : yscaled (h/bbheight(p)) fi +) enddef ; + +primarydef p snapped s = + hide ( + if path p : + forever : + exitif (bbheight(p) <= s) and (bbwidth(p) <= s) ; + p := p scaled (1/2) ; + endfor ; + elseif numeric p : + forever : + exitif p <= s ; + p := p scaled (1/2) ; + endfor ; + fi ; + ) + p +enddef ; + +% vardef somecolor = (1,1,0,0) enddef ; + +% fill OverlayBox withcolor (rcomponent somecolor,gcomponent somecolor,bcomponent somecolor) ; +% fill OverlayBox withcolor (ccomponent somecolor,mcomponent somecolor,ycomponent somecolor,bcomponent somecolor) ; + +% This could be standard mplib 2 behaviour: + +vardef rcomponent expr p = if rgbcolor p : redpart p elseif cmykcolor p : 1 - cyanpart p else : p fi enddef ; +vardef gcomponent expr p = if rgbcolor p : greenpart p elseif cmykcolor p : 1 - magentapart p else : p fi enddef ; +vardef bcomponent expr p = if rgbcolor p : bluepart p elseif cmykcolor p : 1 - yellowpart p else : p fi enddef ; +vardef ccomponent expr p = if cmykcolor p : cyanpart p elseif rgbcolor p : 1 - redpart p else : p fi enddef ; +vardef mcomponent expr p = if cmykcolor p : magentapart p elseif rgbcolor p : 1 - greenpart p else : p fi enddef ; +vardef ycomponent expr p = if cmykcolor p : yellowpart p elseif rgbcolor p : 1 - bluepart p else : p fi enddef ; +vardef bcomponent expr p = if cmykcolor p : blackpart p elseif rgbcolor p : 0 else : p fi enddef ; + diff --git a/Master/texmf-dist/metapost/context/base/mp-txts.mp b/Master/texmf-dist/metapost/context/base/mp-txts.mpii index f208c714900..d3d25293dbf 100644 --- a/Master/texmf-dist/metapost/context/base/mp-txts.mp +++ b/Master/texmf-dist/metapost/context/base/mp-txts.mpii @@ -11,8 +11,7 @@ %C therefore copyrighted by \PRAGMA. See licen-en.pdf for %C details. -if unknown context_tool : input mp-tool ; fi ; -if known context_txts : endinput ; fi ; +if known context_txts : endinput ; fi ; boolean context_txts ; context_txts := true ; |