diff options
Diffstat (limited to 'Master/texmf-dist/metapost/base/graph.mp')
| -rw-r--r-- | Master/texmf-dist/metapost/base/graph.mp | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/Master/texmf-dist/metapost/base/graph.mp b/Master/texmf-dist/metapost/base/graph.mp index de3ee74c087..5f8286e1e86 100644 --- a/Master/texmf-dist/metapost/base/graph.mp +++ b/Master/texmf-dist/metapost/base/graph.mp @@ -1,3 +1,6 @@ +% $Id: graph.mp,v 1.2 2004/09/19 21:47:10 karl Exp $ +% Public domain. + % Macros for drawing graphs % begingraph(width,height) begin a new graph @@ -153,7 +156,7 @@ enddef; % Pair o is the value of p that makes tp (0,0). This implements the trick % whereby using 1 instead of 0 for th the width or height or the setbounds path % for a label picture supresses shifting in x or y. -vardef Gpconv_@#(expr q, o)(text tp) = +vardef old_Gpconv_@#(expr q, o)(text tp) = save p; if stroked q: path p; p=pathpart q; @@ -168,6 +171,32 @@ vardef Gpconv_@#(expr q, o)(text tp) = addto @# also q shifted ((tp)-llcorner q); fi enddef; +% TH: new version from code found at sarovar tracker. This makes +% grdaw clip the result to the window defined with setrange +vardef Gpconv_@#(expr q, o)(text tp) = + save p, tp_geclipt; + picture tp_geclipt; tp_geclipt:=nullpicture; + if stroked q: + path p; p=pathpart q; + %%% --- SDV added + addto tp_geclipt doublepath tp Gwithpc_(q) dashed dashpart q; + clip tp_geclipt to origin--(xpart Z_.gdim,0)--Z_.gdim--(0, ypart Z_.gdim)--cycle; + addto @# also tp_geclipt; + %%% + %%% --- SDV deleted + %%addto @# doublepath tp Gwithpc_(q) dashed dashpart q; + %%% + elseif filled q: + path p; p=pathpart q; + addto @# contour tp Gwithpc_(q); + else: + interim truecorners:=0; + pair p; p=llcorner q; + if urcorner q<>p: p:=p+Gcmul_(o-p,urcorner q-p); fi + addto @# also q shifted ((tp)-llcorner q); + fi +enddef; + def Gcmul_(expr a,b) = (xpart a*xpart b, ypart a*ypart b) enddef; |