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Diffstat (limited to 'tex/context/base/grph-inc.mkiv')
| -rw-r--r-- | tex/context/base/grph-inc.mkiv | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/tex/context/base/grph-inc.mkiv b/tex/context/base/grph-inc.mkiv new file mode 100644 index 000000000..16ee1097a --- /dev/null +++ b/tex/context/base/grph-inc.mkiv @@ -0,0 +1,433 @@ +%D \module +%D [ file=grph-inc, % moved from core-fig +%D version=2006.08.26, % overhaul of 1997.03.31 +%D title=\CONTEXT\ Graphic Macros, +%D subtitle=Figure Inclusion, +%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. + +\writestatus{loading}{ConTeXt Graphic Macros / Figure Inclusion} + +%D todo: +%D +%D - color conversion +%D - alternative images +%D - a few more obscure things + +\registerctxluafile{grph-inc}{1.001} +\registerctxluafile{grph-fil}{1.001} +\registerctxluafile{grph-u3d}{1.001} % this will change +\registerctxluafile{grph-swf}{1.001} % this will change + +\unprotect + +%D The following registers are used (if only to be downward compatible). + +\newbox \foundexternalfigure +\newif \ifskipexternalfigures +\newtoks \everyexternalfigureresets +\newtoks \everyexternalfigurechecks +\newtoks \externalfigurepostprocessors + +\def\resetfigurevariables {\the\everyexternalfigureresets} +\def\checkfigurevariables {\the\everyexternalfigurechecks} + +%D Historic feature: + +\appendtoks + \global\let\externalfigurelog\empty +\to \everyexternalfigureresets + +\let\runutilityfiletrue \relax \let\runutilityfilefalse \relax +\let\consultutilityfiletrue\relax \let\consultutilityfilefalse\relax + +%D You can register additional suffixes with the following command: +%D +%D \starttyping +%D \definegraphictypesynonym[jbig] [jb2] +%D \definegraphictypesynonym[jbig2][jb2] +%D \definegraphictypesynonym[jbg] [jb2] +%D \stoptyping + +\unexpanded\def\definegraphictypesynonym + {\dodoubleargument\dodefinegraphictypesynonym} + +\def\dodefinegraphictypesynonym[#1][#2]% + {\ctxlua{figures.registersuffix("#1","#2")}} + +%D Additional paths can be installed with the regular setup command. The next +%D macro picks up the list. + +\def\setfigurepathlist + {\ctxlua{figures.setpaths("\@@exlocation",\!!bs\@@exdirectory\!!es)}} + +%D Variables: + +\def\defaultfigurewidth {8\lineheight} +\def\defaultfigureheight {6\lineheight} + +\def\figurestatus {\numexpr\ctxlua{figures.tprint("status","status",0)}\relax} % number: 0 = not found +\def\figurewidth {\ctxlua{figures.tprint("status","width",0)}sp} +\def\figureheight {\ctxlua{figures.tprint("status","height",0)}sp} +\def\figurexscale {\ctxlua{figures.tprint("status","xscale",1)}} +\def\figureyscale {\ctxlua{figures.tprint("status","yscale",1)}} + +\def\figurelabel {\ctxlua{figures.tprint("request","label")}} +\def\figurefileoriginal {\ctxlua{figures.tprint("request","name")}} +\def\figurefilepage {\ctxlua{figures.tprint("request","page",1)}} +\def\figurefileoptions {\ctxlua{figures.tprint("request","options")}} +\def\figurefileconversion{\ctxlua{figures.tprint("request","conversion")}} +\def\figurefilecache {\ctxlua{figures.tprint("request","cache")}} +\def\figurefileprefix {\ctxlua{figures.tprint("request","prefix")}} + +\def\figurenaturalwidth {\ctxlua{figures.tprint("used","width", \number\dimexpr\defaultfigurewidth \relax)}sp} +\def\figurenaturalheight {\ctxlua{figures.tprint("used","height",\number\dimexpr\defaultfigureheight\relax)}sp} + +\def\figurefilepath {\ctxlua{tex.sprint(tex.ctxcatcodes,file.dirname (figures.get("used","fullname")))}} +\def\figurefilename {\ctxlua{tex.sprint(tex.ctxcatcodes,file.nameonly(figures.get("used","fullname")))}} +\def\figurefiletype {\ctxlua{tex.sprint(tex.ctxcatcodes,file.extname (figures.get("used","fullname")))}} +\def\figurefullname {\ctxlua{figures.tprint("used","fullname")}} +\def\noffigurepages {\ctxlua{figures.tprint("used","pages",0)}} + +\let\naturalfigurewidth \figurenaturalwidth +\let\naturalfigureheight \figurenaturalheight + +\let\figurescalewidth \figurewidth +\let\figurescaleheight \figureheight +\let\figurescalexscale \figurexscale +\let\figurescaleyscale \figureyscale + +\appendtoks + \ctxlua { % figures.defaultwidth .. why not dimen + figures.setpaths("\@@exlocation","\@@exdirectory") ; + figures.defaultwidth = \number\dimexpr\defaultfigurewidth \relax ; + figures.defaultheight = \number\dimexpr\defaultfigureheight\relax ; + figures.boxnumber = \number\foundexternalfigure ; + }% +\to \everyexternalfigureresets + +%D In some situations we need to make sure that the figure related variables +%D are reset. This is especially important when we are nesting. Is this still +%D needed in \MKIV. + +\def\resetexternalfigures + {\let\@@efoption \empty % \let\@@efprefix\empty + \let\@@efmaxwidth \empty % \let\@@efcache \empty + \let\@@efmaxheight \empty % \let\@@efframe \v!off + \let\@@efforegroundcolor\empty + \let\@@efcolor \empty + \let\@@efconversion \empty + \let\@@efbackground \empty} + +\appendtoks \resetexternalfigures \to \everyoverlay +\appendtoks \resetexternalfigures \to \everybeforepagebody % not really needed + +\def\resetfigureusersettings + {% + \let\@@efmethod \empty + \let\@@eflabel \empty + \let\@@efsize \empty + \let\@@efconversion\@@exconversion + \let\@@efprefix \@@exprefix + \let\@@efcache \@@excache + \let\@@efpage \!!zerocount + \let\@@efobject \@@exobject + \let\@@efdisplay \empty + % + \let\@@efpreset \v!yes + \let\@@efsplit \empty + \let\@@efcolor \empty + % + \let\@@efsymbol \v!no + % + \let\@@efcontrols \v!no + \let\@@efpreview \v!no + \let\@@efrepeat \v!no + % + \let\@@efforegroundcolor\empty + % + \let\@@efhfactor \empty + \let\@@efwfactor \empty + \let\@@effactor \empty + \let\@@efmaxwidth \@@exmaxwidth + \let\@@efmaxheight \@@exmaxheight + \let\@@efxscale \empty + \let\@@efyscale \empty + \let\@@efscale \empty + \let\@@efsx \!!plusone + \let\@@efsy \!!plusone + \let\@@efwidth \empty + \let\@@efheight \empty + \let\@@eflines \empty + \let\@@efgrid \empty} + +\resetfigureusersettings + +\appendtoks + \resetfigureusersettings +\to \everyexternalfigureresets + +\def\checkfigureusersettings + {% old features + \doif\@@exoption\v!frame + {\let\@@efframe\v!on}% + \doif\@@exoption\v!empty + {\skipexternalfigurestrue + \let\@@efframe\v!off}% + \doifsomething\@@efwidth {\doifdimensionelse\@@efwidth {\edef\@@efwidth {\the\dimexpr\@@efwidth }}\donothing}% + \doifsomething\@@efheight{\doifdimensionelse\@@efheight{\edef\@@efheight{\the\dimexpr\@@efheight}}\donothing}% + % fake color in gray bitmaps, assumes that + % a transparent color is used + \doifsomething\@@efforegroundcolor + {\def\@@efbackground{\v!foreground,\v!color}% + \def\@@efbackgroundcolor{\@@efforegroundcolor}}} + +\appendtoks + \checkfigureusersettings +\to \everyexternalfigurechecks + +%D Internal graphics are handled at the \TEX\ end: + +\def\doprocesstexlikefigure#1% retrofit into mkii + {\global\setbox\foundexternalfigure\vbox\framed + [\c!strut=\v!no,\c!align=\v!normal,\c!frame=\v!off, + \c!offset=\v!overlay,\c!width=\v!fit,\c!height=\v!fit] + {\blank[\v!disable]#1\endgraf\removelastskip}} % disable should stay here! + +\def\doprocessmpslikefigure#1% retrofit into mkii + {\global\setbox\foundexternalfigure\vbox{\convertMPtoPDF{#1}11}} + +\def\docheckfigurebuffer #1{\doprocesstexlikefigure{\getbuffer[#1]}} +\def\docheckfiguretex #1{\doprocesstexlikefigure{\input#1\relax}} +\def\docheckfiguremps #1{\doprocessmpslikefigure{#1}} +\def\docheckfiguremprun #1#2{\doprocesstexlikefigure{\useMPrun{#1}{#2}}} + +\def\doscalefigure + {\global\setbox\foundexternalfigure\vbox{\doscalebox\??ef{\dowithfigure{\box\foundexternalfigure}}}} + +\newconditional\testexternalfigureonly + +% \enabletrackers[figures.conversion] +% \externalfigure[demo.svg] +% \externalfigure[demo.svg][conversion=png] + +\def\calculateexternalfigure[#1][#2][#3][#4][#5][#6]% \cmd label filename parent_id preset current + {\dontcomplain + \restorecatcodes + \forgetall + \resetfigurevariables + \dosetefparameters{#4}{#5}{#6}% + \checkfigurevariables +% \begingroup +% \color[\@@efcolor]{\xdef\globcolorattr{\internalspotcolorname}} +% \endgroup + \ctxlua{figures.push { + name="#3", + label="#2", % todo: \@eflabel + page="\@@efpage", + size="\@@efsize", + object="\@@efobject", + prefix="\@@efprefix", + cache="\@@efcache", + format="\@@efmethod", + preset="\@@efprefix", + controls="\@@efcontrols", + preview="\@@efpreview", + display="\@@efdisplay", + conversion="\@@efconversion", + color="\internalspotcolorparent\@@efcolor", % hack is needed + ["repeat"]="\@@efrepeat", + width="\@@efwidth", % can be crap + height="\@@efheight", % can be crap + } }% + \ctxlua{figures.identify()}% + \ifconditional\testexternalfigureonly + \ifcase\figurestatus \else + \ctxlua{figures.check()}% + \ctxlua{figures.dummy()}% + \ctxlua{figures.scale()}% + \ctxlua{figures.done()}% + \fi + \signalexternalfigure + \else + \ifcase\figurestatus + \ctxlua{figures.dummy()}% + \ctxlua{figures.scale()}% + \else + \ctxlua{figures.check()}% + \ctxlua{figures.include()}% + \ctxlua{figures.scale()}% + \fi + \ctxlua{figures.done()}% + \signalexternalfigure + \finishexternalfigure + \fi + \ctxlua{figures.pop()}} + +\def\relocateexternalfigure % easier here than in lua + {\global\setbox\foundexternalfigure\vbox to \ht\foundexternalfigure\bgroup + \vss + \ht\foundexternalfigure\zeropoint + \hbox to \wd\foundexternalfigure\bgroup + \box\foundexternalfigure + \hss + \egroup + \egroup} + +\def\signalexternalfigure % global + {\ifcase\figurestatus + \global\resetsystemmode\v!figure % todo, also: \v!resource + \else + \global\setsystemmode \v!figure % todo, also: \v!resource + \fi} + +\unexpanded\def\startfoundexternalfigure#1#2% ht wd + {\global\setbox\foundexternalfigure\vbox to #2\bgroup\vss\hbox to #1\bgroup} + +\unexpanded\def\stopfoundexternalfigure + {\hss\egroup\egroup} + +\def\emptyfoundexternalfigure + {\startfoundexternalfigure\defaultfigurewidth\defaultfigureheight + \stopfoundexternalfigure} + +\def\finishexternalfigure % here we use \figurevariables + {\global\setbox\foundexternalfigure\vbox + {\ifcase\figurestatus + \let\@@efframe\v!on + \fi + \ifconditional\externalfigureflush + \ifconditional\externalfigurelevel % probably background + \ifskipexternalfigures + % nothing + \fakebox\foundexternalfigure + \else\ifcase\figurestatus + % nothing + \else + \the\externalfigurepostprocessors + \box\foundexternalfigure + \fi\fi + \else + \iftrialtypesetting \else \feedbackexternalfigure \fi + \settrue\externalfigurelevel + \ifskipexternalfigures + \ifcase\figurestatus + \externalfigurereplacement\figurelabel\figurefileoriginal{unknown}% + \else + \externalfigurereplacement\figurelabel\figurefullname{skipped}% + \fi + \else\ifcase\figurestatus + \externalfigurereplacement\figurelabel\figurefileoriginal{unknown}% + \else + \the\externalfigurepostprocessors + \doifelse\@@efreset\v!yes + {\wd\foundexternalfigure\figurewidth + \ht\foundexternalfigure\figureheight + \dp\foundexternalfigure\zeropoint + \box\foundexternalfigure} + {\localframed % should also be applied to high res ! + [\??ef] + [\c!offset=\v!overlay, + \c!width=\figurewidth, + \c!height=\figureheight] + {\vfilll\box\foundexternalfigure}}% + \fi\fi + \fi + \else + % maybe also \the\externalfigurepostprocessors + \iftrialtypesetting \else \feedbackexternalfigure \fi + \fi}} + +\ifx\externalfigurereplacement\undefined\let\externalfigurereplacement\gobblethreearguments\fi +\ifx\externalfigureplaceholder\undefined\let\externalfigureplaceholder\gobblethreearguments\fi + +\let\feedbackexternalfigure\relax % \gobblefourarguments +\let\dowithfigure \relax + +\def\getfiguredimensions + {\dodoubleempty\dogetfiguredimensions} + +\def\dogetfiguredimensions[#1][#2]% + {\startnointerference + \settrue\testexternalfigureonly + \externalfigure[#1][#2,\c!display=,\c!object=\v!no]% + \stopnointerference} + +\let\getfiguredimensionsonly\getfiguredimensions + +\def\doiffigureelse#1% + {\getfiguredimensions[#1]% so data is available ! + \ifdim\figurewidth=\zeropoint % todo: \figurestatus + \expandafter\secondoftwoarguments + \else + \expandafter\firstoftwoarguments + \fi} + +\def\registerexternalfigure % no placement, handy for preprocessing + {\dotripleempty\doregisterexternalfigure} + +\def\doregisterexternalfigure[#1][#2][#3]% + {\startnointerference + \testexternalfigureonly + \setfalse\externalfigureflush % == test ? + \externalfigure[#1][#2][#3]% or \doexternalfigure + \externalfigure[#1][#2,\c!display=,\c!object=\v!no]% + \stopnointerference} + +% figurebases + +\def\usefigurebase[#1]% + {\ctxlua{figures.bases.use("#1")}} + +\protect \endinput + +% \startbuffer +% \definecolor [blue] [c=1,m=.38,y=0,k=.64] +% \definecolor [yellow] [c=0,m=.28,y=1,k=.06] +% +% \definespotcolor [blue-100] [blue] [p=1] +% \definespotcolor [yellow-100] [yellow] [p=1] +% +% \definemultitonecolor [combicolor] [blue=.12,yellow=.28] [c=.1,m=.1,y=.3,k=.1] +% +% \definemultitonecolor [combicolor-b] [blue=1] [c=1,m=.38,y=0,k=.64] % force multitone +% \definemultitonecolor [combicolor-y] [yellow=1] [c=0,m=.28,y=1,k=.06] % force multitone +% +% \useexternalfigure[demo-a][mill.png] [object=no,width=.2\textwidth] +% \useexternalfigure[demo-b][hacker-bw.jpg][object=no,width=.2\textwidth] +% +% \startbaselinecorrection \startcombination[4*1] +% {\externalfigure[demo-a]} {no color} +% {\externalfigure[demo-a][color=combicolor]} {indexed duotone} +% {\externalfigure[demo-a][color=combicolor-b]} {spot color} +% {\externalfigure[demo-a][color=combicolor-y]} {spot color} +% \stopcombination \stopbaselinecorrection +% +% \startbaselinecorrection \startcombination[4*1] +% {\externalfigure[demo-b]} {no color} +% {\externalfigure[demo-b][color=combicolor]} {indexed duotone} +% {\externalfigure[demo-b][color=combicolor-b]} {spot color} +% {\externalfigure[demo-b][color=combicolor-y]} {spot color} +% \stopcombination \stopbaselinecorrection +% +% \startbaselinecorrection \startcombination[4*1] +% {\externalfigure[demo-a]} {no color} +% {\externalfigure[demo-a][color=combicolor]} {indexed duotone} +% {\externalfigure[demo-a][color=blue-100]} {spot color} +% {\externalfigure[demo-a][color=yellow-100]} {spot color} +% \stopcombination \stopbaselinecorrection +% +% \startbaselinecorrection \startcombination[4*1] +% {\externalfigure[demo-b]} {no color} +% {\externalfigure[demo-b][color=combicolor]} {indexed duotone} +% {\externalfigure[demo-b][color=blue-100]} {spot color} +% {\externalfigure[demo-b][color=yellow-100]} {spot color} +% \stopcombination \stopbaselinecorrection +% \stopbuffer +% +% \getbuffer \typebuffer |