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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/* global.c
Copyright (C) 2005,2006,2007,2008 Eugene K. Ressler, Jr.
This file is part of Sketch, a small, simple system for making
3d drawings with LaTeX and the PSTricks or TikZ package.
Sketch is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
Sketch is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Sketch; see the file COPYING.txt. If not, see
http://www.gnu.org/copyleft */
#include "global.h"
GLOBAL_ENV __the_global_env[1];
// must match GEOL_lang definitions in global.h
char *output_language_str[] = {
"PSTricks,LaTeX",
"PGF/TikZ,LaTeX",
"PSTricks,ConTeXt",
"PGF/TikZ,ConTeXt",
};
void
init_global_env(GLOBAL_ENV * env,
PST_VERSION * pst_version, TIKZ_VERSION * tikz_version)
{
env->set_p_mask = 0;
set_ident(env->camera);
copy_pt_3d(env->bb1, origin_3d);
copy_pt_3d(env->bb2, origin_3d);
init_opts(env->opts);
env->baseline = 0;
env->output_language = GEOL_PSTRICKS | GEOL_LATEX;
*env->pst_version = *pst_version;
*env->tikz_version = *tikz_version;
}
void set_global_baseline(GLOBAL_ENV * env, FLOAT baseline, SRC_LINE line)
{
if (baseline == NO_BASELINE)
return;
if (global_env_is_set_p(env, GE_BASELINE)) {
err(line, "baseline is already set");
return;
}
env->set_p_mask |= bit(GE_BASELINE);
env->baseline = baseline;
}
void
set_global_env_extent(GLOBAL_ENV * env, POINT_3D p1, POINT_3D p2,
SRC_LINE line)
{
if (global_env_is_set_p(env, GE_EXTENT)) {
err(line, "bounding box is already set");
return;
}
env->set_p_mask |= bit(GE_EXTENT);
copy_pt_3d(env->bb1, p1);
copy_pt_3d(env->bb2, p2);
}
int get_transformed_global_env_extent(BOX_3D * extent, GLOBAL_ENV * env)
{
POINT_3D t;
int i;
if (!global_env_is_set_p(env, GE_EXTENT))
return 0;
init_box_3d(extent);
if (global_env_is_set_p(env, GE_CAMERA)) {
for (i = 0; i < 8; i++) {
t[X] = (i & 1) ? env->bb1[X] : env->bb2[X];
t[Y] = (i & 2) ? env->bb1[Y] : env->bb2[Y];
t[Z] = (i & 4) ? env->bb1[Z] : env->bb2[Z];
transform_pt_3d(t, env->camera, t);
fold_min_max_pt_3d(extent, t);
}
} else {
fold_min_max_pt_3d(extent, env->bb1);
fold_min_max_pt_3d(extent, env->bb2);
}
return 1;
}
void set_global_env_opts(GLOBAL_ENV * env, char *opt_str, SRC_LINE line)
{
if (global_env_is_set_p(env, GE_OPTS)) {
err(line, "global options are already set");
return;
}
env->set_p_mask |= bit(GE_OPTS);
setup_opts(env->opts, opt_str, no_line);
}
void set_global_env_frame(GLOBAL_ENV * env, char *opt_str, SRC_LINE line)
{
if (global_env_is_set_p(env, GE_FRAME)) {
err(line, "frame is already set");
return;
}
env->set_p_mask |= bit(GE_FRAME);
safe_free(env->frame_opts);
env->frame_opts = opt_str ? safe_strdup(opt_str) : NULL;
}
void
set_global_env_camera(GLOBAL_ENV * env, TRANSFORM camera, SRC_LINE line)
{
if (global_env_is_set_p(env, GE_CAMERA)) {
err(line, "camera is already set");
return;
}
env->set_p_mask |= bit(GE_CAMERA);
copy_transform(env->camera, camera);
}
void
set_global_output_language(GLOBAL_ENV * env, int output_language,
SRC_LINE line)
{
if (global_env_is_set_p(env, GE_OUTPUT_LANGUAGE)) {
err(line, "output language is already set");
return;
}
env->set_p_mask |= bit(GE_OUTPUT_LANGUAGE);
env->output_language = output_language;
}
int get_global_output_language(int *output_language, GLOBAL_ENV * env)
{
*output_language = env->output_language;
return global_env_is_set_p(env, GE_OUTPUT_LANGUAGE);
}
int cmp_with_global_pst_version(GLOBAL_ENV * env,
char *version_str, SRC_LINE line)
{
PST_VERSION v[1];
parse_pst_version(v, version_str, line);
return pst_version_cmp(env->pst_version, v);
}
int cmp_with_global_tikz_version(GLOBAL_ENV * env,
char *version_str, SRC_LINE line)
{
PST_VERSION v[1];
parse_tikz_version(v, version_str, line);
return tikz_version_cmp(env->tikz_version, v);
}
|
