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%D \module
%D [ file=x-fig-00,
%D version=2001.03.21,
%D title=\CONTEXT\ Style File,
%D subtitle=Figure Base Loading,
%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.
%D This module implements an interface to a figure database
%D and file. The database is formatted in \XML\ conforming
%D the following \DTD:
%D
%D \typefile{x-fig-00.dtd}
%D
%D A figure base coded this way looks like:
%D
%D \starttypen
%D <!-- texexec --pdf --use=fig-01 figtest.xml -->
%D
%D <figurelibrary language="nl">
%D
%D <description>
%D <organization>PRAGMA Advanced Document Engineering</organization>
%D <project>Manuals</project>
%D <product>Beginners Manual</product>
%D <comment>A bunch of figures.</comment>
%D </description>
%D
%D <figure>
%D <file>koe.pdf</file>
%D <label>a dutch cow</label>
%D <copyright>Corel Draw Suite</copyright>
%D <comment>I bet that you've seen this cow before.</comment>
%D </figure>
%D
%D </figurelibrary>
%D \stoptypen
%D
%D You can convert this base into a \PDF\ file using
%D \TEXEXEC\ and another module in this suite.
%D
%D \starttypen
%D texexec --pdf --use=fig-01 yourfile.xml
%D \stoptypen
%D
%D You can now select a graphic from this file using the
%D
%D \starttypen
%D \externalfigure[a dutch cow][width=4cm]
%D \stoptypen
%D
%D This module overloads this command so that it first
%D searched in the list of databases.
%D
%D \starttypen
%D \usefigurebases[yourfile]
%D \stoptypen
%D
%D The special keyword \type {reset} can be used to reset
%D this list.
\startcommands dutch english
german czech
italian romanian
usefigurebase: gebruikfiguurbestand usefigurebase
usefigurebase usefigurebase
usefigurebase usefigurebase
\stopcommands
\unprotect
\startXMLnamespace [-] [figbase]
\defineXMLprocess [figurelibrary]
\defineXMLignore [description]
\defineXMLignore [copyright]
\defineXMLignore [comment]
\defineXMLignore [status]
\defineXMLpush [file]
\defineXMLpush [label]
\defineXMLenvironment [figure] \figbase@StartFigure \figbase@StopFigure
\stopXMLnamespace
\def\figbase@StartFigure%
{\bgroup}
\def\figbase@StopFigure%
{\doglobal\increment\figurefilepage
\doif{\askedlabel}{\XMLpop{label}}
{\xdef\figurefilename{\XMLpop{file}}\endinput}%
\egroup}
\def\getfigurefilename#1#2%
{\startnointerference
\startXMLnamespace[-][figbase]
\resetfigurefilebase
\XMLassign{file} {}
\XMLassign{label}{}
\xdef\figurefilebase{#1}%
\doglobal\newcounter\figurefilepage
\def\askedlabel{#2}
\processXMLfile{#1.xml}
\stopXMLnamespace
\stopnointerference}
\def\resetfigurefilebase%
{\global\let\figurefilebase\empty
\global\let\figurefilename\empty
\global\let\figurefilepage\empty}
\let\normalcalculateexternalfigure\calculateexternalfigure
\def\calculateexternalfigure[#1][#2][#3][#4][#5][#6]%
{\resetfigurefilebase
\ifx\figurebaselist\empty
\normalcalculateexternalfigure
[#1][#2][#3][#4][#5][#6]%
\else
\def\docommando##1%
{\getfigurefilename{##1}{#3}%
\ifx\figurefilename\empty\else\quitcommalist\fi}%
\processcommacommand[\figurebaselist]\docommando
\ifx\figurefilename\empty
\stripspaces\from#3\to\figurefilename % to be sure
\normalcalculateexternalfigure
[#1][#2][\figurefilename][#4][#5][#6]%
\else
\normalcalculateexternalfigure
[#1][#2][\figurefilebase.pdf][\c!pagina=\figurefilepage,#4][#5][#6]%
\fi
\fi}
\let\figurebaselist\empty
\def\usefigurebase[#1]%
{\doifelse{#1}{\v!reset}
{\let\figurebaselist\empty}
{\appendcommacommand{#1}\figurebaselist}}
\endinput
\usefigurebase[figtest]
\externalfigure[koetje] [width=3cm]
\externalfigure[de molen op de dijk][width=3cm]
\externalfigure[de molen op de dijk][width=2cm]
\externalfigure[weet ik veel] [width=3cm]
\externalfigure[weet ik veel] [width=2cm]
\externalfigure[weet ik wat] [width=2cm]
\externalfigure[koe] [width=2cm]
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