blob: 697bb7d29774c9809b2d2d6d9b9af345b49539c0 (
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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
%D \module
%D [ file=back-ext,
%D version=2019.02.08, % and later, merged file
%D title=\CONTEXT\ Backend Macros,
%D subtitle=Output,
%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.
\registerctxluafile{node-ext}{autosuffix}
\unprotect
% \let\normalopenout \openout
% \let\normalwrite \write
% \let\normalcloseout\closeout
% \let\normallatelua \latelua
% \let\normalspecial \special
% rotation
% \permanent\protected\def\dostartrotation#1{\forcecolorhack\clf_startrotation#1\relax}
% \permanent\protected\def\dostoprotation {\clf_stoprotation\forcecolorhack}
\permanent\protected\def\dostartrotation#1{\clf_startrotation#1\relax}
\permanent\protected\def\dostoprotation {\clf_stoprotation}
% scaling
% \permanent\protected\def\dostartscaling#1#2{\forcecolorhack\clf_startscaling rx #1 ry #2\relax}
% \permanent\protected\def\dostopscaling {\clf_stopscaling\forcecolorhack}
\permanent\protected\def\dostartscaling#1#2{\clf_startscaling rx #1 ry #2\relax}
\permanent\protected\def\dostopscaling {\clf_stopscaling}
% mirroring
\permanent\protected\def\dostartmirroring{\clf_startmirroring}
\permanent\protected\def\dostopmirroring {\clf_stopmirroring}
% transform
\permanent\protected\def\dotransformnextbox#1#2#3#4#5#6%
{\dowithnextbox{\dodotransformnextbox{#1}{#2}{#3}{#4}{#5}{#6}}}
\permanent\protected\def\dodotransformnextbox#1#2#3#4#5#6%
{\hpack
{\kern #5\onebasepoint
\raise#6\onebasepoint
\hpack
{\clf_startmatrix rx #1 sx #2 sy #3 ry #4\relax
\box\nextbox
\clf_stopmatrix}}}
%D \macros
%D {dostartclipping,dostopclipping}
%D
%D Clipping is implemented in such a way that an arbitrary code can be fed.
%D
%D \starttyping
%D \dostartclipping {pathname} {width} {height}
%D \dostopclipping
%D \stoptyping
\mutable\let\MPclippath\empty
% \permanent\protected\def\dostartclipping#1#2#3% we can move this to lua and only set a box here
% {\forcecolorhack
% \meta_grab_clip_path{#1}{#2}{#3}%
% \clf_startclipping{\MPclippath}%
% \glet\MPclippath\empty}
\permanent\protected\def\dostartclipping#1#2#3% we can move this to lua and only set a box here
{\meta_grab_clip_path{#1}{#2}{#3}%
\clf_startclipping{\MPclippath}%
\glet\MPclippath\empty}
\permanent\protected\def\dostopclipping
{\clf_stopclipping}
%D This wrapper is needed when you use code that messes with e.g. local color
%D directives, invisible for the rest of the machinery. It's only needed in very
%D special cases, like around the above scaler directives:
\permanent\protected\edef\hcontainer{\hpack \s!direction\directionlefttoright \s!container\space}
\permanent\protected\edef\vcontainer{\vpack \s!direction\directionlefttoright \s!container\space}
\permanent\protected\edef\tcontainer{\tpack \s!direction\directionlefttoright \s!container\space}
\protect \endinput
|
