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%D \module
%D [ file=grph-epd,
%D version=2010.07.29,
%D title=\CONTEXT\ Graphic Macros,
%D subtitle=Merging Goodies,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%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 / Merging Goodies}
\unprotect
\registerctxluafile{grph-epd}{1.001}
\def\figurereference{\ctxlua{figures.tprint("status","reference")}} % might become private
\defineoverlay[system:graphics:epdf][\directsetup{system:graphics:epdf}]
\startsetups system:graphics:epdf
\ctxlua{figures.mergegoodies("\externalfiguresparameter\c!interaction")}%
\reference[\figurereference]{}% todo: dest area
\stopsetups
\defineframed
[system_graphics_epdf]
[\c!frame=\v!off,
\c!offset=\v!overlay,
\c!background={\v!foreground,system:graphics:epdf}]
\def\grph_epdf_add_overlay
{\global\setbox\foundexternalfigure\vbox\bgroup
\system_graphics_epdf{\box\foundexternalfigure}%
\egroup}
\appendtoks
\iflocation
\doif\figurefiletype{pdf}{\doifnot{\externalfiguresparameter\c!interaction}\v!none\grph_epdf_add_overlay}%
\fi
\to \externalfigurepostprocessors
\protect \endinput
% /Properties << /xxxx 22 0 R >>
% 21 0 obj << /Type /OCG /Name (xxxx) >> endobj
% 22 0 obj << /OCGs [ 21 0 R ] /Type /OCMD >> endobj
% \def\setepdflayer#1#2#3#4#5#6% x y w h (in bp) 0/1 destination
% {\setlayer
% [epdflinks]
% [\c!x=#1bp,\c!y=#1\s!bp,\c!preset=\v!leftbottom]
% {\button
% [\c!width=#3\s!bp,\c!height=#4\s!bp,\c!offset=\v!overlay,\c!frame=\ifnum#5=1 on\else\v!off]%
% {}[#6]}}
% \def\setepdflayer#1#2#3#4#5#6% x y w h (in bp) 0/1 destination
% {\setlayer
% [epdflinks]
% [\c!x=#1bp,\c!y=#1\s!bp,\c!preset=\v!leftbottom]
% {\gotowdhtbox{#3\s!bp}{#4\s!bp}[#6]}}
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