diff options
author | Taco Hoekwater <taco@elvenkind.com> | 2011-06-01 08:54:21 +0000 |
---|---|---|
committer | Taco Hoekwater <taco@elvenkind.com> | 2011-06-01 08:54:21 +0000 |
commit | d7ccb42582f85acf30568913610ccf4d602023fb (patch) | |
tree | 7292e3545a420676878e7451b68892d360c62cb6 /Master/texmf-dist/tex/context/base/meta-dum.mkii | |
parent | 2d62a6fe9b80def59c392268022f1f9a2d6e358f (diff) |
commit context 2011.05.18
git-svn-id: svn://tug.org/texlive/trunk@22719 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/context/base/meta-dum.mkii')
-rw-r--r-- | Master/texmf-dist/tex/context/base/meta-dum.mkii | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/meta-dum.mkii b/Master/texmf-dist/tex/context/base/meta-dum.mkii new file mode 100644 index 00000000000..bc19f3c5fa8 --- /dev/null +++ b/Master/texmf-dist/tex/context/base/meta-dum.mkii @@ -0,0 +1,123 @@ +%D \module +%D [ file=meta-dum, +%D version=2003.03.21, +%D title=\METAPOST\ Graphics, +%D subtitle=Dummy (External) Graphics, +%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. + +\unprotect + +%D This library overloads the normal external figure +%D placeholder by a nicer one. +%D +%D \startbuffer +%D \useMPlibrary[dum] +%D +%D \startlinecorrection +%D \externalfigure[unknown-a][width=3cm,height=1cm] +%D \stoplinecorrection +%D +%D \startlinecorrection +%D \externalfigure[unknown-b][width=4cm,height=5cm] +%D \stoplinecorrection +%D \stopbuffer +%D +%D \typebuffer \getbuffer + +% currently preparempvariables is unable to resolve number +% fractions like reduction + +% June 22, 2003, this definition was patched to adapt itself +% to transparent colors + +\startuseMPgraphic{placeholder}{width,height,reduction,color} + numeric w, h, d, r ; color c, b, cc ; path p ; boolean t ; + t := is_transparent(\MPvar{color}) ; + c := not_transparent(\MPvar{color}) ; + b := not_transparent(white) ; + w := \MPvar{width} ; + h := \MPvar{height} ; + r := \MPvar{reduction} ; + d := max(w,h) ; + p := unitsquare xyscaled (w,h) ; + cc := r[.5c,b] ; + fill p withcolor if t : transparent(1,.5,cc) else : cc fi ; + for i := 1 upto 60 : + cc := r[c randomized(.3,.9),b] ; + fill fullcircle + scaled (d/5 randomized (d/5)) + shifted (center p randomized (d)) + withcolor if t : transparent(1,.5,cc) else : cc fi ; + endfor ; + clip currentpicture to p ; +\stopuseMPgraphic + +\definepalet + [placeholder] + [1=red,2=green,3=blue,4=cyan,5=magenta,6=yellow] + +% \newcounter \figurereplacementcycle + +\let\figurereplacementcycle\relax + +\setupexternalfigures + [\c!reduction=0, + \c!text=\v!yes] + +\let\normalexternalfigurereplacement\externalfigurereplacement + +\def\externalfigurereplacement#1#2#3% + {\getpaletsize[placeholder]% + \ifx\figurereplacementcycle\relax + \getrandomnumber \figurereplacementcycle \!!plusone \paletsize + \globallet \figurereplacementcycle \figurereplacementcycle + \else + \doglobal\increment\figurereplacementcycle + \fi + \ifnum\figurereplacementcycle>\paletsize + \globallet\figurereplacementcycle\!!plusone + \fi + \weightGRAYfalse % monochrome anyway + \MPcmykcolorsfalse + \MPspotcolorsfalse + \defineoverlay + [\s!dummy] + [\useMPgraphic + {placeholder}% + {width=\figurewidth, + height=\figureheight, + reduction=\@@efreduction, + color=placeholder:\figurereplacementcycle}]% + \expanded{\localframed + [\??ef] + [\c!width=\figurewidth, + \c!height=\figureheight, + \c!frame=\v!off, + \c!strut=\v!no, + \c!background=\s!dummy, + \c!foregroundcolor=\s!white]}% + {\doif\@@eftext\v!yes + {\infofont \setupinterlinespace \dohyphens % \nohyphens + \doifelse{#1}\s!dummy \!!doneafalse\!!doneatrue + \doifelse{#2}\s!dummy \!!donebfalse\!!donebtrue + \doifelse{#3}\s!unknown\!!donecfalse\!!donectrue + \if!!donea + name: \expanded{\verbatimstring{#1}}\strut\endgraf + \fi + \if!!doneb + \if!!donea file: \else \if!!donec file: \fi \fi + \expanded{\verbatimstring{#2}}\strut\endgraf + \fi + \if!!donec + state: \expanded{\verbatimstring{#3}}\strut\endgraf + \fi}}} + +\def\dummyfigure{\externalfigure[placeholder]} + +\protect \endinput |