1 /* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
2 /* cairo - a vector graphics library with display and print output
4 * Copyright © 2011 Intel Corporation
6 * This library is free software; you can redistribute it and/or
7 * modify it either under the terms of the GNU Lesser General Public
8 * License version 2.1 as published by the Free Software Foundation
9 * (the "LGPL") or, at your option, under the terms of the Mozilla
10 * Public License Version 1.1 (the "MPL"). If you do not alter this
11 * notice, a recipient may use your version of this file under either
12 * the MPL or the LGPL.
14 * You should have received a copy of the LGPL along with this library
15 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
17 * You should have received a copy of the MPL along with this library
18 * in the file COPYING-MPL-1.1
20 * The contents of this file are subject to the Mozilla Public License
21 * Version 1.1 (the "License"); you may not use this file except in
22 * compliance with the License. You may obtain a copy of the License at
23 * http://www.mozilla.org/MPL/
25 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
26 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
27 * the specific language governing rights and limitations.
29 * The Original Code is the cairo graphics library.
31 * The Initial Developer of the Original Code is University of Southern
35 * Chris Wilson <chris@chris-wilson.co.uk>
38 #ifndef CAIRO_COMPOSITOR_PRIVATE_H
39 #define CAIRO_COMPOSITOR_PRIVATE_H
41 #include "cairo-composite-rectangles-private.h"
46 cairo_scaled_font_t *font;
47 cairo_glyph_t *glyphs;
49 cairo_bool_t use_mask;
50 cairo_rectangle_int_t extents;
51 } cairo_composite_glyphs_info_t;
53 struct cairo_compositor {
54 const cairo_compositor_t *delegate;
56 cairo_warn cairo_int_status_t
57 (*paint) (const cairo_compositor_t *compositor,
58 cairo_composite_rectangles_t *extents);
60 cairo_warn cairo_int_status_t
61 (*mask) (const cairo_compositor_t *compositor,
62 cairo_composite_rectangles_t *extents);
64 cairo_warn cairo_int_status_t
65 (*stroke) (const cairo_compositor_t *compositor,
66 cairo_composite_rectangles_t *extents,
67 const cairo_path_fixed_t *path,
68 const cairo_stroke_style_t *style,
69 const cairo_matrix_t *ctm,
70 const cairo_matrix_t *ctm_inverse,
72 cairo_antialias_t antialias);
74 cairo_warn cairo_int_status_t
75 (*fill) (const cairo_compositor_t *compositor,
76 cairo_composite_rectangles_t *extents,
77 const cairo_path_fixed_t *path,
78 cairo_fill_rule_t fill_rule,
80 cairo_antialias_t antialias);
82 cairo_warn cairo_int_status_t
83 (*glyphs) (const cairo_compositor_t *compositor,
84 cairo_composite_rectangles_t *extents,
85 cairo_scaled_font_t *scaled_font,
86 cairo_glyph_t *glyphs,
88 cairo_bool_t overlap);
89 cairo_bool_t lazy_init;
92 struct cairo_mask_compositor {
93 cairo_compositor_t base;
95 cairo_int_status_t (*acquire) (void *surface);
96 cairo_int_status_t (*release) (void *surface);
98 cairo_int_status_t (*set_clip_region) (void *surface,
99 cairo_region_t *clip_region);
101 cairo_surface_t * (*pattern_to_surface) (cairo_surface_t *dst,
102 const cairo_pattern_t *pattern,
103 cairo_bool_t is_mask,
104 const cairo_rectangle_int_t *extents,
105 const cairo_rectangle_int_t *sample,
106 int *src_x, int *src_y);
108 cairo_int_status_t (*draw_image_boxes) (void *surface,
109 cairo_image_surface_t *image,
110 cairo_boxes_t *boxes,
113 cairo_int_status_t (*copy_boxes) (void *surface,
114 cairo_surface_t *src,
115 cairo_boxes_t *boxes,
116 const cairo_rectangle_int_t *extents,
120 (*fill_rectangles) (void *surface,
122 const cairo_color_t *color,
123 cairo_rectangle_int_t *rectangles,
127 (*fill_boxes) (void *surface,
129 const cairo_color_t *color,
130 cairo_boxes_t *boxes);
133 (*check_composite) (const cairo_composite_rectangles_t *extents);
136 (*composite) (void *dst,
138 cairo_surface_t *src,
139 cairo_surface_t *mask,
147 unsigned int height);
150 (*composite_boxes) (void *surface,
152 cairo_surface_t *source,
153 cairo_surface_t *mask,
160 cairo_boxes_t *boxes,
161 const cairo_rectangle_int_t *extents);
164 (*check_composite_glyphs) (const cairo_composite_rectangles_t *extents,
165 cairo_scaled_font_t *scaled_font,
166 cairo_glyph_t *glyphs,
169 (*composite_glyphs) (void *surface,
171 cairo_surface_t *src,
176 cairo_composite_glyphs_info_t *info);
179 struct cairo_traps_compositor {
180 cairo_compositor_t base;
183 (*acquire) (void *surface);
186 (*release) (void *surface);
189 (*set_clip_region) (void *surface,
190 cairo_region_t *clip_region);
193 (*pattern_to_surface) (cairo_surface_t *dst,
194 const cairo_pattern_t *pattern,
195 cairo_bool_t is_mask,
196 const cairo_rectangle_int_t *extents,
197 const cairo_rectangle_int_t *sample,
198 int *src_x, int *src_y);
200 cairo_int_status_t (*draw_image_boxes) (void *surface,
201 cairo_image_surface_t *image,
202 cairo_boxes_t *boxes,
205 cairo_int_status_t (*copy_boxes) (void *surface,
206 cairo_surface_t *src,
207 cairo_boxes_t *boxes,
208 const cairo_rectangle_int_t *extents,
212 (*fill_boxes) (void *surface,
214 const cairo_color_t *color,
215 cairo_boxes_t *boxes);
218 (*check_composite) (const cairo_composite_rectangles_t *extents);
221 (*composite) (void *dst,
223 cairo_surface_t *src,
224 cairo_surface_t *mask,
232 unsigned int height);
235 cairo_surface_t *abstract_src,
236 cairo_surface_t *abstract_mask,
244 unsigned int height);
246 (*lerp_color_glyph) (void *_dst,
247 cairo_surface_t *abstract_src,
248 cairo_surface_t *abstract_mask,
256 unsigned int height);
259 (*composite_boxes) (void *surface,
261 cairo_surface_t *source,
262 cairo_surface_t *mask,
269 cairo_boxes_t *boxes,
270 const cairo_rectangle_int_t *extents);
273 (*composite_traps) (void *dst,
275 cairo_surface_t *source,
280 const cairo_rectangle_int_t *extents,
281 cairo_antialias_t antialias,
282 cairo_traps_t *traps);
285 (*composite_tristrip) (void *dst,
287 cairo_surface_t *source,
292 const cairo_rectangle_int_t *extents,
293 cairo_antialias_t antialias,
294 cairo_tristrip_t *tristrip);
297 (*check_composite_glyphs) (const cairo_composite_rectangles_t *extents,
298 cairo_scaled_font_t *scaled_font,
299 cairo_glyph_t *glyphs,
302 (*composite_glyphs) (void *surface,
304 cairo_surface_t *src,
309 cairo_composite_glyphs_info_t *info);
312 cairo_private extern const cairo_compositor_t __cairo_no_compositor;
313 cairo_private extern const cairo_compositor_t _cairo_fallback_compositor;
316 _cairo_mask_compositor_init (cairo_mask_compositor_t *compositor,
317 const cairo_compositor_t *delegate);
320 _cairo_shape_mask_compositor_init (cairo_compositor_t *compositor,
321 const cairo_compositor_t *delegate);
324 _cairo_traps_compositor_init (cairo_traps_compositor_t *compositor,
325 const cairo_compositor_t *delegate);
327 cairo_private cairo_int_status_t
328 _cairo_compositor_paint (const cairo_compositor_t *compositor,
329 cairo_surface_t *surface,
331 const cairo_pattern_t *source,
332 const cairo_clip_t *clip);
334 cairo_private cairo_int_status_t
335 _cairo_compositor_mask (const cairo_compositor_t *compositor,
336 cairo_surface_t *surface,
338 const cairo_pattern_t *source,
339 const cairo_pattern_t *mask,
340 const cairo_clip_t *clip);
342 cairo_private cairo_int_status_t
343 _cairo_compositor_stroke (const cairo_compositor_t *compositor,
344 cairo_surface_t *surface,
346 const cairo_pattern_t *source,
347 const cairo_path_fixed_t *path,
348 const cairo_stroke_style_t *style,
349 const cairo_matrix_t *ctm,
350 const cairo_matrix_t *ctm_inverse,
352 cairo_antialias_t antialias,
353 const cairo_clip_t *clip);
355 cairo_private cairo_int_status_t
356 _cairo_compositor_fill (const cairo_compositor_t *compositor,
357 cairo_surface_t *surface,
359 const cairo_pattern_t *source,
360 const cairo_path_fixed_t *path,
361 cairo_fill_rule_t fill_rule,
363 cairo_antialias_t antialias,
364 const cairo_clip_t *clip);
366 cairo_private cairo_int_status_t
367 _cairo_compositor_glyphs (const cairo_compositor_t *compositor,
368 cairo_surface_t *surface,
370 const cairo_pattern_t *source,
371 cairo_glyph_t *glyphs,
373 cairo_scaled_font_t *scaled_font,
374 const cairo_clip_t *clip);
378 #endif /* CAIRO_COMPOSITOR_PRIVATE_H */