summaryrefslogtreecommitdiff
path: root/src/test-null-compositor-surface.c
blob: 395a5f4a6a88f319220014e0b4b97f782d248d13 (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
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
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
/* cairo - a vector graphics library with display and print output
 *
 * Copyright © 2011 Intel Corporation
 *
 * 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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 Intel Corporation
 *
 * Contributor(s):
 *	Chris Wilson <chris@chris-wilson.co.uk>
 */


#include "cairoint.h"

#include "test-null-compositor-surface.h"

#include "cairo-compositor-private.h"
#include "cairo-default-context-private.h"
#include "cairo-error-private.h"
#include "cairo-image-surface-private.h"
#include "cairo-surface-backend-private.h"
#include "cairo-spans-compositor-private.h"
#include "cairo-spans-private.h"

typedef struct _test_compositor_surface {
    cairo_image_surface_t base;
} test_compositor_surface_t;

static const cairo_surface_backend_t test_compositor_surface_backend;

static cairo_surface_t *
test_compositor_surface_create (const cairo_compositor_t *compositor,
				cairo_content_t	content,
				int		width,
				int		height)
{
    test_compositor_surface_t *surface;
    pixman_image_t *pixman_image;
    pixman_format_code_t pixman_format;

    switch (content) {
    case CAIRO_CONTENT_ALPHA:
	pixman_format = PIXMAN_a8;
	break;
    case CAIRO_CONTENT_COLOR:
	pixman_format = PIXMAN_x8r8g8b8;
	break;
    case CAIRO_CONTENT_COLOR_ALPHA:
	pixman_format = PIXMAN_a8r8g8b8;
	break;
    default:
	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_CONTENT));
    }

    pixman_image = pixman_image_create_bits (pixman_format, width, height,
					     NULL, 0);
    if (unlikely (pixman_image == NULL))
	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));

    surface = malloc (sizeof (test_compositor_surface_t));
    if (unlikely (surface == NULL)) {
	pixman_image_unref (pixman_image);
	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
    }

    _cairo_surface_init (&surface->base.base,
			 &test_compositor_surface_backend,
			 NULL, /* device */
			 content);
    _cairo_image_surface_init (&surface->base, pixman_image, pixman_format);

    surface->base.compositor = compositor;

    return &surface->base.base;
}

static cairo_surface_t *
test_compositor_surface_create_similar (void		*abstract_surface,
					cairo_content_t	 content,
					int		 width,
					int		 height)
{
    test_compositor_surface_t *surface = abstract_surface;

    return test_compositor_surface_create (surface->base.compositor,
					   content, width, height);
}

static cairo_int_status_t
test_compositor_surface_paint (void			*_surface,
			       cairo_operator_t		 op,
			       const cairo_pattern_t	*source,
			       const cairo_clip_t	*clip)
{
    test_compositor_surface_t *surface = _surface;
    return _cairo_compositor_paint (surface->base.compositor,
				    _surface, op, source,
				    clip);
}

static cairo_int_status_t
test_compositor_surface_mask (void			*_surface,
			      cairo_operator_t		 op,
			      const cairo_pattern_t	*source,
			      const cairo_pattern_t	*mask,
			      const cairo_clip_t	*clip)
{
    test_compositor_surface_t *surface = _surface;
    return _cairo_compositor_mask (surface->base.compositor,
				   _surface, op, source, mask,
				    clip);
}

static cairo_int_status_t
test_compositor_surface_stroke (void				*_surface,
				cairo_operator_t		 op,
				const cairo_pattern_t		*source,
				const cairo_path_fixed_t	*path,
				const cairo_stroke_style_t	*style,
				const cairo_matrix_t		*ctm,
				const cairo_matrix_t		*ctm_inverse,
				double				 tolerance,
				cairo_antialias_t		 antialias,
				const cairo_clip_t		*clip)
{
    test_compositor_surface_t *surface = _surface;
    return _cairo_compositor_stroke (surface->base.compositor,
				     _surface, op, source,
				     path, style, ctm, ctm_inverse,
				     tolerance, antialias,
				     clip);
}

static cairo_int_status_t
test_compositor_surface_fill (void			*_surface,
			      cairo_operator_t		 op,
			      const cairo_pattern_t	*source,
			      const cairo_path_fixed_t	*path,
			      cairo_fill_rule_t		 fill_rule,
			      double			 tolerance,
			      cairo_antialias_t		 antialias,
			      const cairo_clip_t	*clip)
{
    test_compositor_surface_t *surface = _surface;
    return _cairo_compositor_fill (surface->base.compositor,
				   _surface, op, source,
				   path, fill_rule, tolerance, antialias,
				   clip);
}

static cairo_int_status_t
test_compositor_surface_glyphs (void			*_surface,
				cairo_operator_t	 op,
				const cairo_pattern_t	*source,
				cairo_glyph_t		*glyphs,
				int			 num_glyphs,
				cairo_scaled_font_t	*scaled_font,
				const cairo_clip_t	*clip)
{
    test_compositor_surface_t *surface = _surface;
    return _cairo_compositor_glyphs (surface->base.compositor,
				     _surface, op, source,
				     glyphs, num_glyphs, scaled_font,
				     clip);
}

static const cairo_surface_backend_t test_compositor_surface_backend = {
    CAIRO_SURFACE_TYPE_IMAGE,
    _cairo_image_surface_finish,
    _cairo_default_context_create,

    test_compositor_surface_create_similar,
    NULL, /* create similar image */
    _cairo_image_surface_map_to_image,
    _cairo_image_surface_unmap_image,

    _cairo_image_surface_source,
    _cairo_image_surface_acquire_source_image,
    _cairo_image_surface_release_source_image,
    NULL, /* snapshot */

    NULL, /* copy_page */
    NULL, /* show_page */

    _cairo_image_surface_get_extents,
    _cairo_image_surface_get_font_options,

    NULL, /* flush */
    NULL, /* mark_dirty_rectangle */

    test_compositor_surface_paint,
    test_compositor_surface_mask,
    test_compositor_surface_stroke,
    test_compositor_surface_fill,
    NULL, /* fill/stroke */
    test_compositor_surface_glyphs,
};

static cairo_int_status_t
acquire (void *abstract_dst)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
release (void *abstract_dst)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
set_clip_region (void *_surface,
		 cairo_region_t *region)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_surface_t *
pattern_to_surface (cairo_surface_t *dst,
		    const cairo_pattern_t *pattern,
		    cairo_bool_t is_mask,
		    const cairo_rectangle_int_t *extents,
		    const cairo_rectangle_int_t *sample,
		    int *src_x, int *src_y)
{
    return cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 0, 0);
}

static cairo_int_status_t
fill_boxes (void		*_dst,
	    cairo_operator_t	 op,
	    const cairo_color_t	*color,
	    cairo_boxes_t	*boxes)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
draw_image_boxes (void *_dst,
		  cairo_image_surface_t *image,
		  cairo_boxes_t *boxes,
		  int dx, int dy)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
composite (void			*_dst,
	   cairo_operator_t	op,
	   cairo_surface_t	*abstract_src,
	   cairo_surface_t	*abstract_mask,
	   int			src_x,
	   int			src_y,
	   int			mask_x,
	   int			mask_y,
	   int			dst_x,
	   int			dst_y,
	   unsigned int		width,
	   unsigned int		height)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
lerp (void			*_dst,
      cairo_surface_t		*abstract_src,
      cairo_surface_t		*abstract_mask,
      int			src_x,
      int			src_y,
      int			mask_x,
      int			mask_y,
      int			dst_x,
      int			dst_y,
      unsigned int		width,
      unsigned int		height)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
composite_boxes (void			*_dst,
		 cairo_operator_t	op,
		 cairo_surface_t	*abstract_src,
		 cairo_surface_t	*abstract_mask,
		 int			src_x,
		 int			src_y,
		 int			mask_x,
		 int			mask_y,
		 int			dst_x,
		 int			dst_y,
		 cairo_boxes_t		*boxes,
		 const cairo_rectangle_int_t  *extents)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
composite_traps (void			*_dst,
		 cairo_operator_t	op,
		 cairo_surface_t	*abstract_src,
		 int			src_x,
		 int			src_y,
		 int			dst_x,
		 int			dst_y,
		 const cairo_rectangle_int_t *extents,
		 cairo_antialias_t	antialias,
		 cairo_traps_t		*traps)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
check_composite_glyphs (const cairo_composite_rectangles_t *extents,
			cairo_scaled_font_t *scaled_font,
			cairo_glyph_t *glyphs,
			int *num_glyphs)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
composite_glyphs (void				*_dst,
		  cairo_operator_t		 op,
		  cairo_surface_t		*_src,
		  int				 src_x,
		  int				 src_y,
		  int				 dst_x,
		  int				 dst_y,
		  cairo_composite_glyphs_info_t *info)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
spans (void *abstract_renderer,
       int y, int height,
       const cairo_half_open_span_t *spans,
       unsigned num_spans)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_status_t
finish_spans (void *abstract_renderer)
{
    return CAIRO_STATUS_SUCCESS;
}

static cairo_int_status_t
span_renderer_init (cairo_abstract_span_renderer_t	*_r,
		    const cairo_composite_rectangles_t *composite,
		    cairo_antialias_t			antialias,
		    cairo_bool_t			needs_clip)
{
    cairo_span_renderer_t *r = (cairo_span_renderer_t *)_r;
    r->render_rows = spans;
    r->finish = finish_spans;
    return CAIRO_STATUS_SUCCESS;
}

static void
span_renderer_fini (cairo_abstract_span_renderer_t *_r,
		    cairo_int_status_t status)
{
}

static const cairo_compositor_t *
no_fallback_compositor_get (void)
{
    return &__cairo_no_compositor;
}

static cairo_int_status_t
check_composite (const cairo_composite_rectangles_t *extents)
{
    return CAIRO_STATUS_SUCCESS;
}

static const cairo_compositor_t *
no_traps_compositor_get (void)
{
    static cairo_traps_compositor_t compositor;

    if (compositor.base.delegate == NULL) {
	_cairo_traps_compositor_init (&compositor,
				      no_fallback_compositor_get ());

	compositor.acquire = acquire;
	compositor.release = release;
	compositor.set_clip_region = set_clip_region;
	compositor.pattern_to_surface = pattern_to_surface;
	compositor.draw_image_boxes = draw_image_boxes;
	//compositor.copy_boxes = copy_boxes;
	compositor.fill_boxes = fill_boxes;
	compositor.check_composite = check_composite;
	compositor.composite = composite;
	compositor.lerp = lerp;
	// FIXME:
	compositor.lerp_color_glyph = lerp;
	//compositor.check_composite_boxes = check_composite_boxes;
	compositor.composite_boxes = composite_boxes;
	//compositor.check_composite_traps = check_composite_traps;
	compositor.composite_traps = composite_traps;
	compositor.check_composite_glyphs = check_composite_glyphs;
	compositor.composite_glyphs = composite_glyphs;
    }

    return &compositor.base;
}

static const cairo_compositor_t *
no_spans_compositor_get (void)
{
    static cairo_spans_compositor_t compositor;

    if (compositor.base.delegate == NULL) {
	_cairo_spans_compositor_init (&compositor,
				      no_traps_compositor_get());

	//compositor.acquire = acquire;
	//compositor.release = release;
	compositor.fill_boxes = fill_boxes;
	//compositor.check_composite_boxes = check_composite_boxes;
	compositor.composite_boxes = composite_boxes;
	//compositor.check_span_renderer = check_span_renderer;
	compositor.renderer_init = span_renderer_init;
	compositor.renderer_fini = span_renderer_fini;
    }

    return &compositor.base;
}

cairo_surface_t *
_cairo_test_no_fallback_compositor_surface_create (cairo_content_t	content,
						   int		width,
						   int		height)
{
    return test_compositor_surface_create (no_fallback_compositor_get(),
					   content, width, height);
}

cairo_surface_t *
_cairo_test_no_traps_compositor_surface_create (cairo_content_t	content,
						int		width,
						int		height)
{
    return test_compositor_surface_create (no_traps_compositor_get(),
					   content, width, height);
}

cairo_surface_t *
_cairo_test_no_spans_compositor_surface_create (cairo_content_t	content,
					     int		width,
					     int		height)
{
    return test_compositor_surface_create (no_spans_compositor_get(),
					   content, width, height);
}