summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/metapost/context/base/mp-page.mpiv
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/metapost/context/base/mp-page.mpiv')
-rw-r--r--Master/texmf-dist/metapost/context/base/mp-page.mpiv322
1 files changed, 322 insertions, 0 deletions
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 ;