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%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(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
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
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