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-rw-r--r--metapost/context/base/metafun.mp1
-rw-r--r--metapost/context/base/mp-figs.mp50
2 files changed, 51 insertions, 0 deletions
diff --git a/metapost/context/base/metafun.mp b/metapost/context/base/metafun.mp
index 818653f7b..5071013c5 100644
--- a/metapost/context/base/metafun.mp
+++ b/metapost/context/base/metafun.mp
@@ -39,6 +39,7 @@ input mp-butt.mp ;
input mp-char.mp ;
input mp-step.mp ;
input mp-grph.mp ;
+input mp-figs.mp ;
% mp-form.mp ;
input mp-grid.mp ;
diff --git a/metapost/context/base/mp-figs.mp b/metapost/context/base/mp-figs.mp
new file mode 100644
index 000000000..aa6bc0399
--- /dev/null
+++ b/metapost/context/base/mp-figs.mp
@@ -0,0 +1,50 @@
+%D \module
+%D [ file=mp-tool.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 unknown context_tool : input mp-tool ; 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(width)) ;
+ endgroup ;
+enddef ;
+
+vardef figuresize(expr name) =
+ save s ; string s ; s := cleanstring(name) ;
+ save p ; pair p ;
+ scantokens( "p := " & "(" & s & "_width" & "," & s & "_height" & ")" ) ;
+ p
+enddef ;
+
+vardef figurewidth(expr name) =
+ xpart figuresize(name)
+enddef ;
+
+vardef figureheight(expr name) =
+ ypart figuresize(name)
+enddef ;
+
+def figuredimensions = figuresize enddef ; % for old times sake
+
+def naturalfigure(expr name) =
+ externalfigure name xyscaled(figuresize(name))
+enddef ;
+
+endinput