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
|
/* cairo - a vector graphics library with display and print output
*
* Copyright © 2005 Red Hat, Inc
*
* This library is free software; you can redistribute it and/or
* modify it either under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation
* (the "LGPL") or, at your option, under the terms of the Mozilla
* Public License Version 1.1 (the "MPL"). If you do not alter this
* notice, a recipient may use your version of this file under either
* the MPL or the LGPL.
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING-LGPL-2.1; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* You should have received a copy of the MPL along with this library
* in the file COPYING-MPL-1.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
* OF ANY KIND, either express or implied. See the LGPL or the MPL for
* the specific language governing rights and limitations.
*
* The Original Code is the cairo graphics library.
*
* The Initial Developer of the Original Code is Red Hat, Inc.
*
* Contributor(s):
* Kristian Høgsberg <krh@redhat.com>
* Adrian Johnson <ajohnson@redneon.com>
*/
#ifndef CAIRO_META_SURFACE_H
#define CAIRO_META_SURFACE_H
#include "cairoint.h"
#include "cairo-path-fixed-private.h"
typedef enum {
/* The 5 basic drawing operations. */
CAIRO_COMMAND_PAINT,
CAIRO_COMMAND_MASK,
CAIRO_COMMAND_STROKE,
CAIRO_COMMAND_FILL,
CAIRO_COMMAND_SHOW_TEXT_GLYPHS,
/* Other junk. For most of these, we should be able to assert that
* they never get called except as part of fallbacks for the 5
* basic drawing operations (which we implement already so the
* fallbacks should never get triggered). So the plan is to
* eliminate as many of these as possible. */
CAIRO_COMMAND_INTERSECT_CLIP_PATH
} cairo_command_type_t;
typedef enum {
CAIRO_META_REGION_ALL,
CAIRO_META_REGION_NATIVE,
CAIRO_META_REGION_IMAGE_FALLBACK
} cairo_meta_region_type_t;
typedef struct _cairo_command_header {
cairo_command_type_t type;
cairo_meta_region_type_t region;
cairo_rectangle_int_t extents;
} cairo_command_header_t;
typedef struct _cairo_command_paint {
cairo_command_header_t header;
cairo_operator_t op;
cairo_pattern_union_t source;
} cairo_command_paint_t;
typedef struct _cairo_command_mask {
cairo_command_header_t header;
cairo_operator_t op;
cairo_pattern_union_t source;
cairo_pattern_union_t mask;
} cairo_command_mask_t;
typedef struct _cairo_command_stroke {
cairo_command_header_t header;
cairo_operator_t op;
cairo_pattern_union_t source;
cairo_path_fixed_t path;
cairo_stroke_style_t style;
cairo_matrix_t ctm;
cairo_matrix_t ctm_inverse;
double tolerance;
cairo_antialias_t antialias;
} cairo_command_stroke_t;
typedef struct _cairo_command_fill {
cairo_command_header_t header;
cairo_operator_t op;
cairo_pattern_union_t source;
cairo_path_fixed_t path;
cairo_fill_rule_t fill_rule;
double tolerance;
cairo_antialias_t antialias;
} cairo_command_fill_t;
typedef struct _cairo_command_show_text_glyphs {
cairo_command_header_t header;
cairo_operator_t op;
cairo_pattern_union_t source;
char *utf8;
int utf8_len;
cairo_glyph_t *glyphs;
unsigned int num_glyphs;
cairo_text_cluster_t *clusters;
int num_clusters;
cairo_text_cluster_flags_t cluster_flags;
cairo_scaled_font_t *scaled_font;
} cairo_command_show_text_glyphs_t;
typedef struct _cairo_command_intersect_clip_path {
cairo_command_header_t header;
cairo_path_fixed_t *path_pointer;
cairo_path_fixed_t path;
cairo_fill_rule_t fill_rule;
double tolerance;
cairo_antialias_t antialias;
} cairo_command_intersect_clip_path_t;
typedef union _cairo_command {
cairo_command_header_t header;
/* The 5 basic drawing operations. */
cairo_command_paint_t paint;
cairo_command_mask_t mask;
cairo_command_stroke_t stroke;
cairo_command_fill_t fill;
cairo_command_show_text_glyphs_t show_text_glyphs;
/* The other junk. */
cairo_command_intersect_clip_path_t intersect_clip_path;
} cairo_command_t;
typedef struct _cairo_meta_surface {
cairo_surface_t base;
cairo_content_t content;
/* A meta-surface is logically unbounded, but when used as a
* source we need to render it to an image, so we need a size at
* which to create that image. */
int width_pixels;
int height_pixels;
cairo_array_t commands;
cairo_surface_t *commands_owner;
cairo_bool_t is_clipped;
int replay_start_idx;
} cairo_meta_surface_t;
cairo_private cairo_surface_t *
_cairo_meta_surface_create (cairo_content_t content,
int width_pixels,
int height_pixels);
cairo_private cairo_int_status_t
_cairo_meta_surface_get_path (cairo_surface_t *surface,
cairo_path_fixed_t *path);
cairo_private cairo_status_t
_cairo_meta_surface_replay (cairo_surface_t *surface,
cairo_surface_t *target);
cairo_private cairo_status_t
_cairo_meta_surface_replay_analyze_meta_pattern (cairo_surface_t *surface,
cairo_surface_t *target);
cairo_private cairo_status_t
_cairo_meta_surface_replay_and_create_regions (cairo_surface_t *surface,
cairo_surface_t *target);
cairo_private cairo_status_t
_cairo_meta_surface_replay_region (cairo_surface_t *surface,
cairo_surface_t *target,
cairo_meta_region_type_t region);
cairo_private cairo_bool_t
_cairo_surface_is_meta (const cairo_surface_t *surface);
#endif /* CAIRO_META_SURFACE_H */
|
