blob: 25ebab6fadd36bf8d0afe86dc11245a2d08bfe42 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
%D \module
%D [ file=mlib-pps,
%D version=2008.03.25,
%D title=\METAPOST\ Integrated Graphics,
%D subtitle=Basics,
%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.
\unprotect
\registerctxluafile{mlib-pps}{1.001}
%D Todo: catch nested graphics like external figures with dummies.
% \newtoks\everyMPLIBtext % not yet used
% \appendtoks
% \let\handleuseMPgraphic \thirdofthreearguments
% \let\handlereusableMPgraphic\thirdofthreearguments
% \to \everyMPLIBtext
% this will move !
% Instead of preallocated boxes we now use a table of lists so that we
% have no limitation. Typically an example of a next version solution
% due to \LUATEX\ evolving.
\newbox \MPtextbox
\newtoks\everyMPLIBsettext
\def\MPLIBfigure#1#2%
{\setbox\scratchbox\hbox{\externalfigure[#1][\c!mask=#2]}%
\ctxlua{metapost.edefsxsy(\number\wd\scratchbox,\number\ht\scratchbox,0)}%
\vbox to \zeropoint{\vss\hbox to \zeropoint{\scale[\c!sx=\sx,\c!sy=\sy]{\box\scratchbox}\hss}}}
\def\MPLIBsettext#1% #2%
{\dowithnextbox{\ctxlua{metapost.settext(\number\nextbox,#1)}}\hbox}
\def\MPLIBgettextscaled#1#2#3% why a copy .. can be used more often
{\ctxlua{metapost.gettext(\number\MPtextbox,#1)}%
\vbox to \zeropoint{\vss\hbox to \zeropoint{\scale[\c!sx=#2,\c!sy=#3]{\raise\dp\MPtextbox\box\MPtextbox}\forcecolorhack\hss}}}
\def\MPLIBgraphictext#1%
{\startTEXpage[\c!scale=10000]#1\stopTEXpage}
\def\MPLIBpositionwhd#1#2#3#4#5%
{\dosavepositionwhd{#1}{0}{#2sp}{#3sp}{#4sp}{#5sp}{0sp}}
\def\MPLIBextrapass#1%
{\ctxlua{metapost.graphic_extra_pass("#1")}}
\def\MPLIBresettexts
{\ctxlua{metapost.resettextexts()}}
\protect \endinput
|
