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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef CAIRO_GSTATE_PRIVATE_H
#define CAIRO_GSTATE_PRIVATE_H
#include "cairo-clip-private.h"
struct _cairo_gstate {
cairo_operator_t op;
double tolerance;
cairo_antialias_t antialias;
cairo_stroke_style_t stroke_style;
cairo_fill_rule_t fill_rule;
cairo_font_face_t *font_face;
cairo_scaled_font_t *scaled_font; /* Specific to the current CTM */
cairo_scaled_font_t *previous_scaled_font; /* holdover */
cairo_matrix_t font_matrix;
cairo_font_options_t font_options;
cairo_clip_t clip;
cairo_surface_t *target; /* The target to which all rendering is directed */
cairo_surface_t *parent_target; /* The previous target which was receiving rendering */
cairo_surface_t *original_target; /* The original target the initial gstate was created with */
/* the user is allowed to update the device after we have cached the matrices... */
cairo_observer_t device_transform_observer;
cairo_matrix_t ctm;
cairo_matrix_t ctm_inverse;
cairo_matrix_t source_ctm_inverse; /* At the time ->source was set */
cairo_bool_t is_identity;
cairo_pattern_t *source;
struct _cairo_gstate *next;
};
/* cairo-gstate.c */
cairo_private cairo_status_t
_cairo_gstate_init (cairo_gstate_t *gstate,
cairo_surface_t *target);
cairo_private void
_cairo_gstate_fini (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_save (cairo_gstate_t **gstate, cairo_gstate_t **freelist);
cairo_private cairo_status_t
_cairo_gstate_restore (cairo_gstate_t **gstate, cairo_gstate_t **freelist);
cairo_private cairo_bool_t
_cairo_gstate_is_redirected (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_redirect_target (cairo_gstate_t *gstate, cairo_surface_t *child);
cairo_private cairo_surface_t *
_cairo_gstate_get_target (cairo_gstate_t *gstate);
cairo_private cairo_surface_t *
_cairo_gstate_get_parent_target (cairo_gstate_t *gstate);
cairo_private cairo_surface_t *
_cairo_gstate_get_original_target (cairo_gstate_t *gstate);
cairo_private cairo_clip_t *
_cairo_gstate_get_clip (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_source (cairo_gstate_t *gstate, cairo_pattern_t *source);
cairo_private cairo_pattern_t *
_cairo_gstate_get_source (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_operator (cairo_gstate_t *gstate, cairo_operator_t op);
cairo_private cairo_operator_t
_cairo_gstate_get_operator (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_tolerance (cairo_gstate_t *gstate, double tolerance);
cairo_private double
_cairo_gstate_get_tolerance (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_fill_rule (cairo_gstate_t *gstate, cairo_fill_rule_t fill_rule);
cairo_private cairo_fill_rule_t
_cairo_gstate_get_fill_rule (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_line_width (cairo_gstate_t *gstate, double width);
cairo_private double
_cairo_gstate_get_line_width (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_line_cap (cairo_gstate_t *gstate, cairo_line_cap_t line_cap);
cairo_private cairo_line_cap_t
_cairo_gstate_get_line_cap (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_line_join (cairo_gstate_t *gstate, cairo_line_join_t line_join);
cairo_private cairo_line_join_t
_cairo_gstate_get_line_join (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_dash (cairo_gstate_t *gstate, const double *dash, int num_dashes, double offset);
cairo_private void
_cairo_gstate_get_dash (cairo_gstate_t *gstate, double *dash, int *num_dashes, double *offset);
cairo_private cairo_status_t
_cairo_gstate_set_miter_limit (cairo_gstate_t *gstate, double limit);
cairo_private double
_cairo_gstate_get_miter_limit (cairo_gstate_t *gstate);
cairo_private void
_cairo_gstate_get_matrix (cairo_gstate_t *gstate, cairo_matrix_t *matrix);
cairo_private cairo_status_t
_cairo_gstate_translate (cairo_gstate_t *gstate, double tx, double ty);
cairo_private cairo_status_t
_cairo_gstate_scale (cairo_gstate_t *gstate, double sx, double sy);
cairo_private cairo_status_t
_cairo_gstate_rotate (cairo_gstate_t *gstate, double angle);
cairo_private cairo_status_t
_cairo_gstate_transform (cairo_gstate_t *gstate,
const cairo_matrix_t *matrix);
cairo_private cairo_status_t
_cairo_gstate_set_matrix (cairo_gstate_t *gstate,
const cairo_matrix_t *matrix);
cairo_private void
_cairo_gstate_identity_matrix (cairo_gstate_t *gstate);
cairo_private void
_cairo_gstate_user_to_device (cairo_gstate_t *gstate, double *x, double *y);
cairo_private void
_cairo_gstate_user_to_device_distance (cairo_gstate_t *gstate, double *dx, double *dy);
cairo_private void
_cairo_gstate_device_to_user (cairo_gstate_t *gstate, double *x, double *y);
cairo_private void
_cairo_gstate_device_to_user_distance (cairo_gstate_t *gstate, double *dx, double *dy);
cairo_private void
_do_cairo_gstate_user_to_backend (cairo_gstate_t *gstate, double *x, double *y);
static inline void
_cairo_gstate_user_to_backend (cairo_gstate_t *gstate, double *x, double *y)
{
if (! gstate->is_identity)
_do_cairo_gstate_user_to_backend (gstate, x, y);
}
cairo_private void
_do_cairo_gstate_backend_to_user (cairo_gstate_t *gstate, double *x, double *y);
static inline void
_cairo_gstate_backend_to_user (cairo_gstate_t *gstate, double *x, double *y)
{
if (! gstate->is_identity)
_do_cairo_gstate_backend_to_user (gstate, x, y);
}
cairo_private void
_cairo_gstate_backend_to_user_rectangle (cairo_gstate_t *gstate,
double *x1, double *y1,
double *x2, double *y2,
cairo_bool_t *is_tight);
cairo_private void
_cairo_gstate_path_extents (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double *x1, double *y1,
double *x2, double *y2);
cairo_private cairo_status_t
_cairo_gstate_paint (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_mask (cairo_gstate_t *gstate,
cairo_pattern_t *mask);
cairo_private cairo_status_t
_cairo_gstate_stroke (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
cairo_private cairo_status_t
_cairo_gstate_fill (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
cairo_private cairo_status_t
_cairo_gstate_copy_page (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_show_page (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_stroke_extents (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double *x1, double *y1,
double *x2, double *y2);
cairo_private cairo_status_t
_cairo_gstate_fill_extents (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double *x1, double *y1,
double *x2, double *y2);
cairo_private cairo_status_t
_cairo_gstate_in_stroke (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double x,
double y,
cairo_bool_t *inside_ret);
cairo_private cairo_bool_t
_cairo_gstate_in_fill (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double x,
double y);
cairo_private cairo_bool_t
_cairo_gstate_in_clip (cairo_gstate_t *gstate,
double x,
double y);
cairo_private cairo_status_t
_cairo_gstate_clip (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
cairo_private cairo_status_t
_cairo_gstate_reset_clip (cairo_gstate_t *gstate);
cairo_private cairo_bool_t
_cairo_gstate_clip_extents (cairo_gstate_t *gstate,
double *x1,
double *y1,
double *x2,
double *y2);
cairo_private cairo_rectangle_list_t*
_cairo_gstate_copy_clip_rectangle_list (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_show_surface (cairo_gstate_t *gstate,
cairo_surface_t *surface,
double x,
double y,
double width,
double height);
cairo_private cairo_status_t
_cairo_gstate_select_font_face (cairo_gstate_t *gstate,
const char *family,
cairo_font_slant_t slant,
cairo_font_weight_t weight);
cairo_private cairo_status_t
_cairo_gstate_set_font_size (cairo_gstate_t *gstate,
double size);
cairo_private void
_cairo_gstate_get_font_matrix (cairo_gstate_t *gstate,
cairo_matrix_t *matrix);
cairo_private cairo_status_t
_cairo_gstate_set_font_matrix (cairo_gstate_t *gstate,
const cairo_matrix_t *matrix);
cairo_private void
_cairo_gstate_get_font_options (cairo_gstate_t *gstate,
cairo_font_options_t *options);
cairo_private void
_cairo_gstate_set_font_options (cairo_gstate_t *gstate,
const cairo_font_options_t *options);
cairo_private cairo_status_t
_cairo_gstate_get_font_face (cairo_gstate_t *gstate,
cairo_font_face_t **font_face);
cairo_private cairo_status_t
_cairo_gstate_get_scaled_font (cairo_gstate_t *gstate,
cairo_scaled_font_t **scaled_font);
cairo_private cairo_status_t
_cairo_gstate_get_font_extents (cairo_gstate_t *gstate,
cairo_font_extents_t *extents);
cairo_private cairo_status_t
_cairo_gstate_set_font_face (cairo_gstate_t *gstate,
cairo_font_face_t *font_face);
cairo_private cairo_status_t
_cairo_gstate_text_to_glyphs (cairo_gstate_t *gstate,
double x,
double y,
const char *utf8,
int utf8_len,
cairo_glyph_t **glyphs,
int *num_glyphs,
cairo_text_cluster_t **clusters,
int *num_clusters,
cairo_text_cluster_flags_t *cluster_flags);
cairo_private cairo_status_t
_cairo_gstate_glyph_extents (cairo_gstate_t *gstate,
const cairo_glyph_t *glyphs,
int num_glyphs,
cairo_text_extents_t *extents);
cairo_private cairo_status_t
_cairo_gstate_show_text_glyphs (cairo_gstate_t *gstate,
const char *utf8,
int utf8_len,
const cairo_glyph_t *glyphs,
int num_glyphs,
const cairo_text_cluster_t *clusters,
int num_clusters,
cairo_text_cluster_flags_t cluster_flags);
cairo_private cairo_status_t
_cairo_gstate_glyph_path (cairo_gstate_t *gstate,
const cairo_glyph_t *glyphs,
int num_glyphs,
cairo_path_fixed_t *path);
cairo_private cairo_status_t
_cairo_gstate_set_antialias (cairo_gstate_t *gstate,
cairo_antialias_t antialias);
cairo_private cairo_antialias_t
_cairo_gstate_get_antialias (cairo_gstate_t *gstate);
#endif /* CAIRO_GSTATE_PRIVATE_H */
|
