1 /***********************************************************
3 Copyright 1987, 1998 The Open Group
5 Permission to use, copy, modify, distribute, and sell this software and its
6 documentation for any purpose is hereby granted without fee, provided that
7 the above copyright notice appear in all copies and that both that
8 copyright notice and this permission notice appear in supporting
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 Except as contained in this notice, the name of The Open Group shall not be
22 used in advertising or otherwise to promote the sale, use or other dealings
23 in this Software without prior written authorization from The Open Group.
25 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
29 Permission to use, copy, modify, and distribute this software and its
30 documentation for any purpose and without fee is hereby granted,
31 provided that the above copyright notice appear in all copies and that
32 both that copyright notice and this permission notice appear in
33 supporting documentation, and that the name of Digital not be
34 used in advertising or publicity pertaining to distribution of the
35 software without specific, written prior permission.
37 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
45 ******************************************************************/
47 * Copyright © 1998, 2004 Keith Packard
48 * Copyright 2007 Red Hat, Inc.
50 * Permission to use, copy, modify, distribute, and sell this software and its
51 * documentation for any purpose is hereby granted without fee, provided that
52 * the above copyright notice appear in all copies and that both that
53 * copyright notice and this permission notice appear in supporting
54 * documentation, and that the name of Keith Packard not be used in
55 * advertising or publicity pertaining to distribution of the software without
56 * specific, written prior permission. Keith Packard makes no
57 * representations about the suitability of this software for any purpose. It
58 * is provided "as is" without express or implied warranty.
60 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
61 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
62 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
63 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
64 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
65 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
66 * PERFORMANCE OF THIS SOFTWARE.
72 #include <pixman-version.h>
77 #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || defined (_sgi) || defined (__sun) || defined (sun) || defined (__digital__)
78 # include <inttypes.h>
79 #elif defined (_MSC_VER)
80 typedef __int8 int8_t;
81 typedef unsigned __int8 uint8_t;
82 typedef __int16 int16_t;
83 typedef unsigned __int16 uint16_t;
84 typedef __int32 int32_t;
85 typedef unsigned __int32 uint32_t;
86 typedef __int64 int64_t;
87 typedef unsigned __int64 uint64_t;
89 # include <sys/inttypes.h>
97 typedef int pixman_bool_t;
102 typedef int64_t pixman_fixed_32_32_t;
103 typedef pixman_fixed_32_32_t pixman_fixed_48_16_t;
104 typedef uint32_t pixman_fixed_1_31_t;
105 typedef uint32_t pixman_fixed_1_16_t;
106 typedef int32_t pixman_fixed_16_16_t;
107 typedef pixman_fixed_16_16_t pixman_fixed_t;
109 #define pixman_fixed_e ((pixman_fixed_t) 1)
110 #define pixman_fixed_1 (pixman_int_to_fixed(1))
111 #define pixman_fixed_1_minus_e (pixman_fixed_1 - pixman_fixed_e)
112 #define pixman_fixed_to_int(f) ((int) ((f) >> 16))
113 #define pixman_int_to_fixed(i) ((pixman_fixed_t) ((i) << 16))
114 #define pixman_fixed_to_double(f) (double) ((f) / (double) pixman_fixed_1)
115 #define pixman_double_to_fixed(d) ((pixman_fixed_t) ((d) * 65536.0))
116 #define pixman_fixed_frac(f) ((f) & pixman_fixed_1_minus_e)
117 #define pixman_fixed_floor(f) ((f) & ~pixman_fixed_1_minus_e)
118 #define pixman_fixed_ceil(f) pixman_fixed_floor ((f) + pixman_fixed_1_minus_e)
119 #define pixman_fixed_fraction(f) ((f) & pixman_fixed_1_minus_e)
120 #define pixman_fixed_mod_2(f) ((f) & (pixman_fixed1 | pixman_fixed_1_minus_e))
121 #define pixman_max_fixed_48_16 ((pixman_fixed_48_16_t) 0x7fffffff)
122 #define pixman_min_fixed_48_16 (-((pixman_fixed_48_16_t) 1 << 31))
127 typedef struct pixman_color pixman_color_t;
128 typedef struct pixman_point_fixed pixman_point_fixed_t;
129 typedef struct pixman_line_fixed pixman_line_fixed_t;
130 typedef struct pixman_vector pixman_vector_t;
131 typedef struct pixman_transform pixman_transform_t;
141 struct pixman_point_fixed
147 struct pixman_line_fixed
149 pixman_point_fixed_t p1, p2;
153 * Fixed point matrices
158 pixman_fixed_t vector[3];
161 struct pixman_transform
163 pixman_fixed_t matrix[3][3];
166 /* forward declaration (sorry) */
169 void pixman_transform_init_identity (struct pixman_transform *matrix);
170 pixman_bool_t pixman_transform_point_3d (const struct pixman_transform *transform,
171 struct pixman_vector *vector);
172 pixman_bool_t pixman_transform_point (const struct pixman_transform *transform,
173 struct pixman_vector *vector);
174 pixman_bool_t pixman_transform_multiply (struct pixman_transform *dst,
175 const struct pixman_transform *l,
176 const struct pixman_transform *r);
177 void pixman_transform_init_scale (struct pixman_transform *t,
180 pixman_bool_t pixman_transform_scale (struct pixman_transform *forward,
181 struct pixman_transform *reverse,
184 void pixman_transform_init_rotate (struct pixman_transform *t,
187 pixman_bool_t pixman_transform_rotate (struct pixman_transform *forward,
188 struct pixman_transform *reverse,
191 void pixman_transform_init_translate (struct pixman_transform *t,
194 pixman_bool_t pixman_transform_translate (struct pixman_transform *forward,
195 struct pixman_transform *reverse,
198 pixman_bool_t pixman_transform_bounds (const struct pixman_transform *matrix,
199 struct pixman_box16 *b);
200 pixman_bool_t pixman_transform_invert (struct pixman_transform *dst,
201 const struct pixman_transform *src);
202 pixman_bool_t pixman_transform_is_identity (const struct pixman_transform *t);
203 pixman_bool_t pixman_transform_is_scale (const struct pixman_transform *t);
204 pixman_bool_t pixman_transform_is_int_translate (const struct pixman_transform *t);
205 pixman_bool_t pixman_transform_is_inverse (const struct pixman_transform *a,
206 const struct pixman_transform *b);
209 * Floating point matrices
211 struct pixman_f_vector
216 struct pixman_f_transform
221 pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t,
222 const struct pixman_f_transform *ft);
223 void pixman_f_transform_from_pixman_transform (struct pixman_f_transform *ft,
224 const struct pixman_transform *t);
225 pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t,
226 const struct pixman_f_transform *ft);
227 pixman_bool_t pixman_f_transform_invert (struct pixman_f_transform *dst,
228 const struct pixman_f_transform *src);
229 pixman_bool_t pixman_f_transform_point (const struct pixman_f_transform *t,
230 struct pixman_f_vector *v);
231 void pixman_f_transform_point_3d (const struct pixman_f_transform *t,
232 struct pixman_f_vector *v);
233 void pixman_f_transform_multiply (struct pixman_f_transform *dst,
234 const struct pixman_f_transform *l,
235 const struct pixman_f_transform *r);
236 void pixman_f_transform_init_scale (struct pixman_f_transform *t,
239 pixman_bool_t pixman_f_transform_scale (struct pixman_f_transform *forward,
240 struct pixman_f_transform *reverse,
243 void pixman_f_transform_init_rotate (struct pixman_f_transform *t,
246 pixman_bool_t pixman_f_transform_rotate (struct pixman_f_transform *forward,
247 struct pixman_f_transform *reverse,
250 void pixman_f_transform_init_translate (struct pixman_f_transform *t,
253 pixman_bool_t pixman_f_transform_translate (struct pixman_f_transform *forward,
254 struct pixman_f_transform *reverse,
257 pixman_bool_t pixman_f_transform_bounds (const struct pixman_f_transform *t,
258 struct pixman_box16 *b);
259 void pixman_f_transform_init_identity (struct pixman_f_transform *t);
264 PIXMAN_REPEAT_NORMAL,
266 PIXMAN_REPEAT_REFLECT
274 PIXMAN_FILTER_NEAREST,
275 PIXMAN_FILTER_BILINEAR,
276 PIXMAN_FILTER_CONVOLUTION
281 PIXMAN_OP_CLEAR = 0x00,
282 PIXMAN_OP_SRC = 0x01,
283 PIXMAN_OP_DST = 0x02,
284 PIXMAN_OP_OVER = 0x03,
285 PIXMAN_OP_OVER_REVERSE = 0x04,
287 PIXMAN_OP_IN_REVERSE = 0x06,
288 PIXMAN_OP_OUT = 0x07,
289 PIXMAN_OP_OUT_REVERSE = 0x08,
290 PIXMAN_OP_ATOP = 0x09,
291 PIXMAN_OP_ATOP_REVERSE = 0x0a,
292 PIXMAN_OP_XOR = 0x0b,
293 PIXMAN_OP_ADD = 0x0c,
294 PIXMAN_OP_SATURATE = 0x0d,
296 PIXMAN_OP_DISJOINT_CLEAR = 0x10,
297 PIXMAN_OP_DISJOINT_SRC = 0x11,
298 PIXMAN_OP_DISJOINT_DST = 0x12,
299 PIXMAN_OP_DISJOINT_OVER = 0x13,
300 PIXMAN_OP_DISJOINT_OVER_REVERSE = 0x14,
301 PIXMAN_OP_DISJOINT_IN = 0x15,
302 PIXMAN_OP_DISJOINT_IN_REVERSE = 0x16,
303 PIXMAN_OP_DISJOINT_OUT = 0x17,
304 PIXMAN_OP_DISJOINT_OUT_REVERSE = 0x18,
305 PIXMAN_OP_DISJOINT_ATOP = 0x19,
306 PIXMAN_OP_DISJOINT_ATOP_REVERSE = 0x1a,
307 PIXMAN_OP_DISJOINT_XOR = 0x1b,
309 PIXMAN_OP_CONJOINT_CLEAR = 0x20,
310 PIXMAN_OP_CONJOINT_SRC = 0x21,
311 PIXMAN_OP_CONJOINT_DST = 0x22,
312 PIXMAN_OP_CONJOINT_OVER = 0x23,
313 PIXMAN_OP_CONJOINT_OVER_REVERSE = 0x24,
314 PIXMAN_OP_CONJOINT_IN = 0x25,
315 PIXMAN_OP_CONJOINT_IN_REVERSE = 0x26,
316 PIXMAN_OP_CONJOINT_OUT = 0x27,
317 PIXMAN_OP_CONJOINT_OUT_REVERSE = 0x28,
318 PIXMAN_OP_CONJOINT_ATOP = 0x29,
319 PIXMAN_OP_CONJOINT_ATOP_REVERSE = 0x2a,
320 PIXMAN_OP_CONJOINT_XOR = 0x2b,
322 PIXMAN_OP_MULTIPLY = 0x30,
323 PIXMAN_OP_SCREEN = 0x31,
324 PIXMAN_OP_OVERLAY = 0x32,
325 PIXMAN_OP_DARKEN = 0x33,
326 PIXMAN_OP_LIGHTEN = 0x34,
327 PIXMAN_OP_COLOR_DODGE = 0x35,
328 PIXMAN_OP_COLOR_BURN = 0x36,
329 PIXMAN_OP_HARD_LIGHT = 0x37,
330 PIXMAN_OP_SOFT_LIGHT = 0x38,
331 PIXMAN_OP_DIFFERENCE = 0x39,
332 PIXMAN_OP_EXCLUSION = 0x3a,
333 PIXMAN_OP_HSL_HUE = 0x3b,
334 PIXMAN_OP_HSL_SATURATION = 0x3c,
335 PIXMAN_OP_HSL_COLOR = 0x3d,
336 PIXMAN_OP_HSL_LUMINOSITY = 0x3e,
339 PIXMAN_OP_LAST = PIXMAN_OP_NONE
345 typedef struct pixman_region16_data pixman_region16_data_t;
346 typedef struct pixman_box16 pixman_box16_t;
347 typedef struct pixman_rectangle16 pixman_rectangle16_t;
348 typedef struct pixman_region16 pixman_region16_t;
350 struct pixman_region16_data {
353 /* pixman_box16_t rects[size]; in memory but not explicitly declared */
356 struct pixman_rectangle16
359 uint16_t width, height;
364 int16_t x1, y1, x2, y2;
367 struct pixman_region16
369 pixman_box16_t extents;
370 pixman_region16_data_t *data;
378 } pixman_region_overlap_t;
380 /* This function exists only to make it possible to preserve
381 * the X ABI - it should go away at first opportunity.
383 void pixman_region_set_static_pointers (pixman_box16_t *empty_box,
384 pixman_region16_data_t *empty_data,
385 pixman_region16_data_t *broken_data);
387 /* creation/destruction */
388 void pixman_region_init (pixman_region16_t *region);
389 void pixman_region_init_rect (pixman_region16_t *region,
393 unsigned int height);
394 pixman_bool_t pixman_region_init_rects (pixman_region16_t *region,
395 pixman_box16_t *boxes,
397 void pixman_region_init_with_extents (pixman_region16_t *region,
398 pixman_box16_t *extents);
399 void pixman_region_fini (pixman_region16_t *region);
404 void pixman_region_translate (pixman_region16_t *region,
407 pixman_bool_t pixman_region_copy (pixman_region16_t *dest,
408 pixman_region16_t *source);
409 pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg,
410 pixman_region16_t *reg1,
411 pixman_region16_t *reg2);
412 pixman_bool_t pixman_region_union (pixman_region16_t *new_reg,
413 pixman_region16_t *reg1,
414 pixman_region16_t *reg2);
415 pixman_bool_t pixman_region_union_rect (pixman_region16_t *dest,
416 pixman_region16_t *source,
420 unsigned int height);
421 pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d,
422 pixman_region16_t *reg_m,
423 pixman_region16_t *reg_s);
424 pixman_bool_t pixman_region_inverse (pixman_region16_t *new_reg,
425 pixman_region16_t *reg1,
426 pixman_box16_t *inv_rect);
427 pixman_bool_t pixman_region_contains_point (pixman_region16_t *region,
430 pixman_box16_t *box);
431 pixman_region_overlap_t pixman_region_contains_rectangle (pixman_region16_t *pixman_region16_t,
432 pixman_box16_t *prect);
433 pixman_bool_t pixman_region_not_empty (pixman_region16_t *region);
434 pixman_box16_t * pixman_region_extents (pixman_region16_t *region);
435 int pixman_region_n_rects (pixman_region16_t *region);
436 pixman_box16_t * pixman_region_rectangles (pixman_region16_t *region,
438 pixman_bool_t pixman_region_equal (pixman_region16_t *region1,
439 pixman_region16_t *region2);
440 pixman_bool_t pixman_region_selfcheck (pixman_region16_t *region);
441 void pixman_region_reset (pixman_region16_t *region,
442 pixman_box16_t *box);
446 typedef struct pixman_region32_data pixman_region32_data_t;
447 typedef struct pixman_box32 pixman_box32_t;
448 typedef struct pixman_rectangle32 pixman_rectangle32_t;
449 typedef struct pixman_region32 pixman_region32_t;
451 struct pixman_region32_data {
454 /* pixman_box32_t rects[size]; in memory but not explicitly declared */
457 struct pixman_rectangle32
460 uint32_t width, height;
465 int32_t x1, y1, x2, y2;
468 struct pixman_region32
470 pixman_box32_t extents;
471 pixman_region32_data_t *data;
474 /* creation/destruction */
475 void pixman_region32_init (pixman_region32_t *region);
476 void pixman_region32_init_rect (pixman_region32_t *region,
480 unsigned int height);
481 pixman_bool_t pixman_region32_init_rects (pixman_region32_t *region,
482 pixman_box32_t *boxes,
484 void pixman_region32_init_with_extents (pixman_region32_t *region,
485 pixman_box32_t *extents);
486 void pixman_region32_fini (pixman_region32_t *region);
490 void pixman_region32_translate (pixman_region32_t *region,
493 pixman_bool_t pixman_region32_copy (pixman_region32_t *dest,
494 pixman_region32_t *source);
495 pixman_bool_t pixman_region32_intersect (pixman_region32_t *new_reg,
496 pixman_region32_t *reg1,
497 pixman_region32_t *reg2);
498 pixman_bool_t pixman_region32_union (pixman_region32_t *new_reg,
499 pixman_region32_t *reg1,
500 pixman_region32_t *reg2);
501 pixman_bool_t pixman_region32_union_rect (pixman_region32_t *dest,
502 pixman_region32_t *source,
506 unsigned int height);
507 pixman_bool_t pixman_region32_subtract (pixman_region32_t *reg_d,
508 pixman_region32_t *reg_m,
509 pixman_region32_t *reg_s);
510 pixman_bool_t pixman_region32_inverse (pixman_region32_t *new_reg,
511 pixman_region32_t *reg1,
512 pixman_box32_t *inv_rect);
513 pixman_bool_t pixman_region32_contains_point (pixman_region32_t *region,
516 pixman_box32_t *box);
517 pixman_region_overlap_t pixman_region32_contains_rectangle (pixman_region32_t *region,
518 pixman_box32_t *prect);
519 pixman_bool_t pixman_region32_not_empty (pixman_region32_t *region);
520 pixman_box32_t * pixman_region32_extents (pixman_region32_t *region);
521 int pixman_region32_n_rects (pixman_region32_t *region);
522 pixman_box32_t * pixman_region32_rectangles (pixman_region32_t *region,
524 pixman_bool_t pixman_region32_equal (pixman_region32_t *region1,
525 pixman_region32_t *region2);
526 pixman_bool_t pixman_region32_selfcheck (pixman_region32_t *region);
527 void pixman_region32_reset (pixman_region32_t *region,
528 pixman_box32_t *box);
531 /* Copy / Fill / Misc */
532 pixman_bool_t pixman_blt (uint32_t *src_bits,
544 pixman_bool_t pixman_fill (uint32_t *bits,
553 int pixman_version (void);
554 const char* pixman_version_string (void);
559 typedef union pixman_image pixman_image_t;
560 typedef struct pixman_indexed pixman_indexed_t;
561 typedef struct pixman_gradient_stop pixman_gradient_stop_t;
563 typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size);
564 typedef void (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size);
566 typedef void (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data);
568 struct pixman_gradient_stop {
570 pixman_color_t color;
573 #define PIXMAN_MAX_INDEXED 256 /* XXX depth must be <= 8 */
575 #if PIXMAN_MAX_INDEXED <= 256
576 typedef uint8_t pixman_index_type;
579 struct pixman_indexed
582 uint32_t rgba[PIXMAN_MAX_INDEXED];
583 pixman_index_type ent[32768];
587 * While the protocol is generous in format support, the
588 * sample implementation allows only packed RGB and GBR
589 * representations for data to simplify software rendering,
591 #define PIXMAN_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \
598 #define PIXMAN_FORMAT_BPP(f) (((f) >> 24) )
599 #define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0xff)
600 #define PIXMAN_FORMAT_A(f) (((f) >> 12) & 0x0f)
601 #define PIXMAN_FORMAT_R(f) (((f) >> 8) & 0x0f)
602 #define PIXMAN_FORMAT_G(f) (((f) >> 4) & 0x0f)
603 #define PIXMAN_FORMAT_B(f) (((f) ) & 0x0f)
604 #define PIXMAN_FORMAT_RGB(f) (((f) ) & 0xfff)
605 #define PIXMAN_FORMAT_VIS(f) (((f) ) & 0xffff)
606 #define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \
607 PIXMAN_FORMAT_R(f) + \
608 PIXMAN_FORMAT_G(f) + \
611 #define PIXMAN_TYPE_OTHER 0
612 #define PIXMAN_TYPE_A 1
613 #define PIXMAN_TYPE_ARGB 2
614 #define PIXMAN_TYPE_ABGR 3
615 #define PIXMAN_TYPE_COLOR 4
616 #define PIXMAN_TYPE_GRAY 5
617 #define PIXMAN_TYPE_YUY2 6
618 #define PIXMAN_TYPE_YV12 7
619 #define PIXMAN_TYPE_BGRA 8
621 #define PIXMAN_FORMAT_COLOR(f) \
622 (PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB || \
623 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR || \
624 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA)
628 PIXMAN_a8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8),
629 PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8),
630 PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8),
631 PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8),
632 PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8),
633 PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8),
634 PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10),
635 PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10),
636 PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10),
637 PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10),
640 PIXMAN_r8g8b8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8),
641 PIXMAN_b8g8r8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8),
644 PIXMAN_r5g6b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5),
645 PIXMAN_b5g6r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5),
647 PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5),
648 PIXMAN_x1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5),
649 PIXMAN_a1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5),
650 PIXMAN_x1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5),
651 PIXMAN_a4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4),
652 PIXMAN_x4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4),
653 PIXMAN_a4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4),
654 PIXMAN_x4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4),
657 PIXMAN_a8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0),
658 PIXMAN_r3g3b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2),
659 PIXMAN_b2g3r3 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2),
660 PIXMAN_a2r2g2b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2),
661 PIXMAN_a2b2g2r2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2),
663 PIXMAN_c8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
664 PIXMAN_g8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
666 PIXMAN_x4a4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0),
668 PIXMAN_x4c4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
669 PIXMAN_x4g4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
672 PIXMAN_a4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0),
673 PIXMAN_r1g2b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1),
674 PIXMAN_b1g2r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1),
675 PIXMAN_a1r1g1b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1),
676 PIXMAN_a1b1g1r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1),
678 PIXMAN_c4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0),
679 PIXMAN_g4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0),
682 PIXMAN_a1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0),
684 PIXMAN_g1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0),
687 PIXMAN_yuy2 = PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0),
688 PIXMAN_yv12 = PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0)
689 } pixman_format_code_t;
691 /* Querying supported format values. */
692 pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format);
693 pixman_bool_t pixman_format_supported_source (pixman_format_code_t format);
696 pixman_image_t *pixman_image_create_solid_fill (pixman_color_t *color);
697 pixman_image_t *pixman_image_create_linear_gradient (pixman_point_fixed_t *p1,
698 pixman_point_fixed_t *p2,
699 const pixman_gradient_stop_t *stops,
701 pixman_image_t *pixman_image_create_radial_gradient (pixman_point_fixed_t *inner,
702 pixman_point_fixed_t *outer,
703 pixman_fixed_t inner_radius,
704 pixman_fixed_t outer_radius,
705 const pixman_gradient_stop_t *stops,
707 pixman_image_t *pixman_image_create_conical_gradient (pixman_point_fixed_t *center,
708 pixman_fixed_t angle,
709 const pixman_gradient_stop_t *stops,
711 pixman_image_t *pixman_image_create_bits (pixman_format_code_t format,
715 int rowstride_bytes);
718 pixman_image_t *pixman_image_ref (pixman_image_t *image);
719 pixman_bool_t pixman_image_unref (pixman_image_t *image);
721 void pixman_image_set_destroy_function (pixman_image_t *image,
722 pixman_image_destroy_func_t function,
726 pixman_bool_t pixman_image_set_clip_region (pixman_image_t *image,
727 pixman_region16_t *region);
728 pixman_bool_t pixman_image_set_clip_region32 (pixman_image_t *image,
729 pixman_region32_t *region);
730 void pixman_image_set_has_client_clip (pixman_image_t *image,
731 pixman_bool_t clien_clip);
732 pixman_bool_t pixman_image_set_transform (pixman_image_t *image,
733 const pixman_transform_t *transform);
734 void pixman_image_set_repeat (pixman_image_t *image,
735 pixman_repeat_t repeat);
736 pixman_bool_t pixman_image_set_filter (pixman_image_t *image,
737 pixman_filter_t filter,
738 const pixman_fixed_t *filter_params,
739 int n_filter_params);
740 void pixman_image_set_source_clipping (pixman_image_t *image,
741 pixman_bool_t source_clipping);
742 void pixman_image_set_alpha_map (pixman_image_t *image,
743 pixman_image_t *alpha_map,
746 void pixman_image_set_component_alpha (pixman_image_t *image,
747 pixman_bool_t component_alpha);
748 void pixman_image_set_accessors (pixman_image_t *image,
749 pixman_read_memory_func_t read_func,
750 pixman_write_memory_func_t write_func);
751 void pixman_image_set_indexed (pixman_image_t *image,
752 const pixman_indexed_t *indexed);
753 uint32_t *pixman_image_get_data (pixman_image_t *image);
754 int pixman_image_get_width (pixman_image_t *image);
755 int pixman_image_get_height (pixman_image_t *image);
756 int pixman_image_get_stride (pixman_image_t *image); /* in bytes */
757 int pixman_image_get_depth (pixman_image_t *image);
758 pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op,
759 pixman_image_t *image,
760 pixman_color_t *color,
762 const pixman_rectangle16_t *rects);
765 pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region,
766 pixman_image_t *src_image,
767 pixman_image_t *mask_image,
768 pixman_image_t *dst_image,
777 void pixman_image_composite (pixman_op_t op,
779 pixman_image_t *mask,
780 pixman_image_t *dest,
790 /* Old X servers rely on out-of-bounds accesses when they are asked
791 * to composite with a window as the source. They create a pixman image
792 * pointing to some bogus position in memory, but then they set a clip
793 * region to the position where the actual bits are.
795 * Due to a bug in old versions of pixman, where it would not clip
796 * against the image bounds when a clip region was set, this would
797 * actually work. So by default we allow certain out-of-bound access
798 * to happen unless explicitly disabled.
800 * Fixed X servers should call this function to disable the workaround.
802 void pixman_disable_out_of_bounds_workaround (void);
807 typedef struct pixman_edge pixman_edge_t;
808 typedef struct pixman_trapezoid pixman_trapezoid_t;
809 typedef struct pixman_trap pixman_trap_t;
810 typedef struct pixman_span_fix pixman_span_fix_t;
813 * An edge structure. This represents a single polygon edge
814 * and can be quickly stepped across small or large gaps in the
821 pixman_fixed_t stepx;
822 pixman_fixed_t signdx;
826 pixman_fixed_t stepx_small;
827 pixman_fixed_t stepx_big;
828 pixman_fixed_t dx_small;
829 pixman_fixed_t dx_big;
832 struct pixman_trapezoid
834 pixman_fixed_t top, bottom;
835 pixman_line_fixed_t left, right;
839 /* whether 't' is a well defined not obviously empty trapezoid */
840 #define pixman_trapezoid_valid(t) \
841 ((t)->left.p1.y != (t)->left.p2.y && \
842 (t)->right.p1.y != (t)->right.p2.y && \
843 (int) ((t)->bottom - (t)->top) > 0)
845 struct pixman_span_fix
847 pixman_fixed_t l, r, y;
852 pixman_span_fix_t top, bot;
855 pixman_fixed_t pixman_sample_ceil_y (pixman_fixed_t y,
857 pixman_fixed_t pixman_sample_floor_y (pixman_fixed_t y,
859 void pixman_edge_step (pixman_edge_t *e,
861 void pixman_edge_init (pixman_edge_t *e,
863 pixman_fixed_t y_start,
864 pixman_fixed_t x_top,
865 pixman_fixed_t y_top,
866 pixman_fixed_t x_bot,
867 pixman_fixed_t y_bot);
868 void pixman_line_fixed_edge_init (pixman_edge_t *e,
871 const pixman_line_fixed_t *line,
874 void pixman_rasterize_edges (pixman_image_t *image,
879 void pixman_add_traps (pixman_image_t *image,
883 pixman_trap_t *traps);
884 void pixman_add_trapezoids (pixman_image_t *image,
888 const pixman_trapezoid_t *traps);
889 void pixman_rasterize_trapezoid (pixman_image_t *image,
890 const pixman_trapezoid_t *trap,
894 #endif /* PIXMAN_H__ */