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_f_transform_invert (struct pixman_f_transform *dst,
226 const struct pixman_f_transform *src);
227 pixman_bool_t pixman_f_transform_point (const struct pixman_f_transform *t,
228 struct pixman_f_vector *v);
229 void pixman_f_transform_point_3d (const struct pixman_f_transform *t,
230 struct pixman_f_vector *v);
231 void pixman_f_transform_multiply (struct pixman_f_transform *dst,
232 const struct pixman_f_transform *l,
233 const struct pixman_f_transform *r);
234 void pixman_f_transform_init_scale (struct pixman_f_transform *t,
237 pixman_bool_t pixman_f_transform_scale (struct pixman_f_transform *forward,
238 struct pixman_f_transform *reverse,
241 void pixman_f_transform_init_rotate (struct pixman_f_transform *t,
244 pixman_bool_t pixman_f_transform_rotate (struct pixman_f_transform *forward,
245 struct pixman_f_transform *reverse,
248 void pixman_f_transform_init_translate (struct pixman_f_transform *t,
251 pixman_bool_t pixman_f_transform_translate (struct pixman_f_transform *forward,
252 struct pixman_f_transform *reverse,
255 pixman_bool_t pixman_f_transform_bounds (const struct pixman_f_transform *t,
256 struct pixman_box16 *b);
257 void pixman_f_transform_init_identity (struct pixman_f_transform *t);
262 PIXMAN_REPEAT_NORMAL,
264 PIXMAN_REPEAT_REFLECT
272 PIXMAN_FILTER_NEAREST,
273 PIXMAN_FILTER_BILINEAR,
274 PIXMAN_FILTER_CONVOLUTION
279 PIXMAN_OP_CLEAR = 0x00,
280 PIXMAN_OP_SRC = 0x01,
281 PIXMAN_OP_DST = 0x02,
282 PIXMAN_OP_OVER = 0x03,
283 PIXMAN_OP_OVER_REVERSE = 0x04,
285 PIXMAN_OP_IN_REVERSE = 0x06,
286 PIXMAN_OP_OUT = 0x07,
287 PIXMAN_OP_OUT_REVERSE = 0x08,
288 PIXMAN_OP_ATOP = 0x09,
289 PIXMAN_OP_ATOP_REVERSE = 0x0a,
290 PIXMAN_OP_XOR = 0x0b,
291 PIXMAN_OP_ADD = 0x0c,
292 PIXMAN_OP_SATURATE = 0x0d,
294 PIXMAN_OP_DISJOINT_CLEAR = 0x10,
295 PIXMAN_OP_DISJOINT_SRC = 0x11,
296 PIXMAN_OP_DISJOINT_DST = 0x12,
297 PIXMAN_OP_DISJOINT_OVER = 0x13,
298 PIXMAN_OP_DISJOINT_OVER_REVERSE = 0x14,
299 PIXMAN_OP_DISJOINT_IN = 0x15,
300 PIXMAN_OP_DISJOINT_IN_REVERSE = 0x16,
301 PIXMAN_OP_DISJOINT_OUT = 0x17,
302 PIXMAN_OP_DISJOINT_OUT_REVERSE = 0x18,
303 PIXMAN_OP_DISJOINT_ATOP = 0x19,
304 PIXMAN_OP_DISJOINT_ATOP_REVERSE = 0x1a,
305 PIXMAN_OP_DISJOINT_XOR = 0x1b,
307 PIXMAN_OP_CONJOINT_CLEAR = 0x20,
308 PIXMAN_OP_CONJOINT_SRC = 0x21,
309 PIXMAN_OP_CONJOINT_DST = 0x22,
310 PIXMAN_OP_CONJOINT_OVER = 0x23,
311 PIXMAN_OP_CONJOINT_OVER_REVERSE = 0x24,
312 PIXMAN_OP_CONJOINT_IN = 0x25,
313 PIXMAN_OP_CONJOINT_IN_REVERSE = 0x26,
314 PIXMAN_OP_CONJOINT_OUT = 0x27,
315 PIXMAN_OP_CONJOINT_OUT_REVERSE = 0x28,
316 PIXMAN_OP_CONJOINT_ATOP = 0x29,
317 PIXMAN_OP_CONJOINT_ATOP_REVERSE = 0x2a,
318 PIXMAN_OP_CONJOINT_XOR = 0x2b,
320 PIXMAN_OP_MULTIPLY = 0x30,
321 PIXMAN_OP_SCREEN = 0x31,
322 PIXMAN_OP_OVERLAY = 0x32,
323 PIXMAN_OP_DARKEN = 0x33,
324 PIXMAN_OP_LIGHTEN = 0x34,
325 PIXMAN_OP_COLOR_DODGE = 0x35,
326 PIXMAN_OP_COLOR_BURN = 0x36,
327 PIXMAN_OP_HARD_LIGHT = 0x37,
328 PIXMAN_OP_SOFT_LIGHT = 0x38,
329 PIXMAN_OP_DIFFERENCE = 0x39,
330 PIXMAN_OP_EXCLUSION = 0x3a,
331 PIXMAN_OP_HSL_HUE = 0x3b,
332 PIXMAN_OP_HSL_SATURATION = 0x3c,
333 PIXMAN_OP_HSL_COLOR = 0x3d,
334 PIXMAN_OP_HSL_LUMINOSITY = 0x3e,
337 PIXMAN_OP_LAST = PIXMAN_OP_NONE
343 typedef struct pixman_region16_data pixman_region16_data_t;
344 typedef struct pixman_box16 pixman_box16_t;
345 typedef struct pixman_rectangle16 pixman_rectangle16_t;
346 typedef struct pixman_region16 pixman_region16_t;
348 struct pixman_region16_data {
351 /* pixman_box16_t rects[size]; in memory but not explicitly declared */
354 struct pixman_rectangle16
357 uint16_t width, height;
362 int16_t x1, y1, x2, y2;
365 struct pixman_region16
367 pixman_box16_t extents;
368 pixman_region16_data_t *data;
376 } pixman_region_overlap_t;
378 /* This function exists only to make it possible to preserve
379 * the X ABI - it should go away at first opportunity.
381 void pixman_region_set_static_pointers (pixman_box16_t *empty_box,
382 pixman_region16_data_t *empty_data,
383 pixman_region16_data_t *broken_data);
385 /* creation/destruction */
386 void pixman_region_init (pixman_region16_t *region);
387 void pixman_region_init_rect (pixman_region16_t *region,
391 unsigned int height);
392 pixman_bool_t pixman_region_init_rects (pixman_region16_t *region,
393 pixman_box16_t *boxes,
395 void pixman_region_init_with_extents (pixman_region16_t *region,
396 pixman_box16_t *extents);
397 void pixman_region_fini (pixman_region16_t *region);
402 void pixman_region_translate (pixman_region16_t *region,
405 pixman_bool_t pixman_region_copy (pixman_region16_t *dest,
406 pixman_region16_t *source);
407 pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg,
408 pixman_region16_t *reg1,
409 pixman_region16_t *reg2);
410 pixman_bool_t pixman_region_union (pixman_region16_t *new_reg,
411 pixman_region16_t *reg1,
412 pixman_region16_t *reg2);
413 pixman_bool_t pixman_region_union_rect (pixman_region16_t *dest,
414 pixman_region16_t *source,
418 unsigned int height);
419 pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d,
420 pixman_region16_t *reg_m,
421 pixman_region16_t *reg_s);
422 pixman_bool_t pixman_region_inverse (pixman_region16_t *new_reg,
423 pixman_region16_t *reg1,
424 pixman_box16_t *inv_rect);
425 pixman_bool_t pixman_region_contains_point (pixman_region16_t *region,
428 pixman_box16_t *box);
429 pixman_region_overlap_t pixman_region_contains_rectangle (pixman_region16_t *pixman_region16_t,
430 pixman_box16_t *prect);
431 pixman_bool_t pixman_region_not_empty (pixman_region16_t *region);
432 pixman_box16_t * pixman_region_extents (pixman_region16_t *region);
433 int pixman_region_n_rects (pixman_region16_t *region);
434 pixman_box16_t * pixman_region_rectangles (pixman_region16_t *region,
436 pixman_bool_t pixman_region_equal (pixman_region16_t *region1,
437 pixman_region16_t *region2);
438 pixman_bool_t pixman_region_selfcheck (pixman_region16_t *region);
439 void pixman_region_reset (pixman_region16_t *region,
440 pixman_box16_t *box);
444 typedef struct pixman_region32_data pixman_region32_data_t;
445 typedef struct pixman_box32 pixman_box32_t;
446 typedef struct pixman_rectangle32 pixman_rectangle32_t;
447 typedef struct pixman_region32 pixman_region32_t;
449 struct pixman_region32_data {
452 /* pixman_box32_t rects[size]; in memory but not explicitly declared */
455 struct pixman_rectangle32
458 uint32_t width, height;
463 int32_t x1, y1, x2, y2;
466 struct pixman_region32
468 pixman_box32_t extents;
469 pixman_region32_data_t *data;
472 /* creation/destruction */
473 void pixman_region32_init (pixman_region32_t *region);
474 void pixman_region32_init_rect (pixman_region32_t *region,
478 unsigned int height);
479 pixman_bool_t pixman_region32_init_rects (pixman_region32_t *region,
480 pixman_box32_t *boxes,
482 void pixman_region32_init_with_extents (pixman_region32_t *region,
483 pixman_box32_t *extents);
484 void pixman_region32_fini (pixman_region32_t *region);
488 void pixman_region32_translate (pixman_region32_t *region,
491 pixman_bool_t pixman_region32_copy (pixman_region32_t *dest,
492 pixman_region32_t *source);
493 pixman_bool_t pixman_region32_intersect (pixman_region32_t *new_reg,
494 pixman_region32_t *reg1,
495 pixman_region32_t *reg2);
496 pixman_bool_t pixman_region32_union (pixman_region32_t *new_reg,
497 pixman_region32_t *reg1,
498 pixman_region32_t *reg2);
499 pixman_bool_t pixman_region32_union_rect (pixman_region32_t *dest,
500 pixman_region32_t *source,
504 unsigned int height);
505 pixman_bool_t pixman_region32_subtract (pixman_region32_t *reg_d,
506 pixman_region32_t *reg_m,
507 pixman_region32_t *reg_s);
508 pixman_bool_t pixman_region32_inverse (pixman_region32_t *new_reg,
509 pixman_region32_t *reg1,
510 pixman_box32_t *inv_rect);
511 pixman_bool_t pixman_region32_contains_point (pixman_region32_t *region,
514 pixman_box32_t *box);
515 pixman_region_overlap_t pixman_region32_contains_rectangle (pixman_region32_t *region,
516 pixman_box32_t *prect);
517 pixman_bool_t pixman_region32_not_empty (pixman_region32_t *region);
518 pixman_box32_t * pixman_region32_extents (pixman_region32_t *region);
519 int pixman_region32_n_rects (pixman_region32_t *region);
520 pixman_box32_t * pixman_region32_rectangles (pixman_region32_t *region,
522 pixman_bool_t pixman_region32_equal (pixman_region32_t *region1,
523 pixman_region32_t *region2);
524 pixman_bool_t pixman_region32_selfcheck (pixman_region32_t *region);
525 void pixman_region32_reset (pixman_region32_t *region,
526 pixman_box32_t *box);
529 /* Copy / Fill / Misc */
530 pixman_bool_t pixman_blt (uint32_t *src_bits,
542 pixman_bool_t pixman_fill (uint32_t *bits,
551 int pixman_version (void);
552 const char* pixman_version_string (void);
557 typedef union pixman_image pixman_image_t;
558 typedef struct pixman_indexed pixman_indexed_t;
559 typedef struct pixman_gradient_stop pixman_gradient_stop_t;
561 typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size);
562 typedef void (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size);
564 typedef void (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data);
566 struct pixman_gradient_stop {
568 pixman_color_t color;
571 #define PIXMAN_MAX_INDEXED 256 /* XXX depth must be <= 8 */
573 #if PIXMAN_MAX_INDEXED <= 256
574 typedef uint8_t pixman_index_type;
577 struct pixman_indexed
580 uint32_t rgba[PIXMAN_MAX_INDEXED];
581 pixman_index_type ent[32768];
585 * While the protocol is generous in format support, the
586 * sample implementation allows only packed RGB and GBR
587 * representations for data to simplify software rendering,
589 #define PIXMAN_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \
596 #define PIXMAN_FORMAT_BPP(f) (((f) >> 24) )
597 #define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0xff)
598 #define PIXMAN_FORMAT_A(f) (((f) >> 12) & 0x0f)
599 #define PIXMAN_FORMAT_R(f) (((f) >> 8) & 0x0f)
600 #define PIXMAN_FORMAT_G(f) (((f) >> 4) & 0x0f)
601 #define PIXMAN_FORMAT_B(f) (((f) ) & 0x0f)
602 #define PIXMAN_FORMAT_RGB(f) (((f) ) & 0xfff)
603 #define PIXMAN_FORMAT_VIS(f) (((f) ) & 0xffff)
604 #define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \
605 PIXMAN_FORMAT_R(f) + \
606 PIXMAN_FORMAT_G(f) + \
609 #define PIXMAN_TYPE_OTHER 0
610 #define PIXMAN_TYPE_A 1
611 #define PIXMAN_TYPE_ARGB 2
612 #define PIXMAN_TYPE_ABGR 3
613 #define PIXMAN_TYPE_COLOR 4
614 #define PIXMAN_TYPE_GRAY 5
615 #define PIXMAN_TYPE_YUY2 6
616 #define PIXMAN_TYPE_YV12 7
617 #define PIXMAN_TYPE_BGRA 8
619 #define PIXMAN_FORMAT_COLOR(f) \
620 (PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB || \
621 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR || \
622 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA)
626 PIXMAN_a8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8),
627 PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8),
628 PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8),
629 PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8),
630 PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8),
631 PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8),
632 PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10),
633 PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10),
634 PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10),
635 PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10),
638 PIXMAN_r8g8b8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8),
639 PIXMAN_b8g8r8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8),
642 PIXMAN_r5g6b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5),
643 PIXMAN_b5g6r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5),
645 PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5),
646 PIXMAN_x1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5),
647 PIXMAN_a1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5),
648 PIXMAN_x1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5),
649 PIXMAN_a4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4),
650 PIXMAN_x4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4),
651 PIXMAN_a4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4),
652 PIXMAN_x4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4),
655 PIXMAN_a8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0),
656 PIXMAN_r3g3b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2),
657 PIXMAN_b2g3r3 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2),
658 PIXMAN_a2r2g2b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2),
659 PIXMAN_a2b2g2r2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2),
661 PIXMAN_c8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
662 PIXMAN_g8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
664 PIXMAN_x4a4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0),
666 PIXMAN_x4c4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
667 PIXMAN_x4g4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
670 PIXMAN_a4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0),
671 PIXMAN_r1g2b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1),
672 PIXMAN_b1g2r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1),
673 PIXMAN_a1r1g1b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1),
674 PIXMAN_a1b1g1r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1),
676 PIXMAN_c4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0),
677 PIXMAN_g4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0),
680 PIXMAN_a1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0),
682 PIXMAN_g1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0),
685 PIXMAN_yuy2 = PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0),
686 PIXMAN_yv12 = PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0)
687 } pixman_format_code_t;
689 /* Querying supported format values. */
690 pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format);
691 pixman_bool_t pixman_format_supported_source (pixman_format_code_t format);
694 pixman_image_t *pixman_image_create_solid_fill (pixman_color_t *color);
695 pixman_image_t *pixman_image_create_linear_gradient (pixman_point_fixed_t *p1,
696 pixman_point_fixed_t *p2,
697 const pixman_gradient_stop_t *stops,
699 pixman_image_t *pixman_image_create_radial_gradient (pixman_point_fixed_t *inner,
700 pixman_point_fixed_t *outer,
701 pixman_fixed_t inner_radius,
702 pixman_fixed_t outer_radius,
703 const pixman_gradient_stop_t *stops,
705 pixman_image_t *pixman_image_create_conical_gradient (pixman_point_fixed_t *center,
706 pixman_fixed_t angle,
707 const pixman_gradient_stop_t *stops,
709 pixman_image_t *pixman_image_create_bits (pixman_format_code_t format,
713 int rowstride_bytes);
716 pixman_image_t *pixman_image_ref (pixman_image_t *image);
717 pixman_bool_t pixman_image_unref (pixman_image_t *image);
719 void pixman_image_set_destroy_function (pixman_image_t *image,
720 pixman_image_destroy_func_t function,
724 pixman_bool_t pixman_image_set_clip_region (pixman_image_t *image,
725 pixman_region16_t *region);
726 pixman_bool_t pixman_image_set_clip_region32 (pixman_image_t *image,
727 pixman_region32_t *region);
728 void pixman_image_set_has_client_clip (pixman_image_t *image,
729 pixman_bool_t clien_clip);
730 pixman_bool_t pixman_image_set_transform (pixman_image_t *image,
731 const pixman_transform_t *transform);
732 void pixman_image_set_repeat (pixman_image_t *image,
733 pixman_repeat_t repeat);
734 pixman_bool_t pixman_image_set_filter (pixman_image_t *image,
735 pixman_filter_t filter,
736 const pixman_fixed_t *filter_params,
737 int n_filter_params);
738 void pixman_image_set_source_clipping (pixman_image_t *image,
739 pixman_bool_t source_clipping);
740 void pixman_image_set_alpha_map (pixman_image_t *image,
741 pixman_image_t *alpha_map,
744 void pixman_image_set_component_alpha (pixman_image_t *image,
745 pixman_bool_t component_alpha);
746 void pixman_image_set_accessors (pixman_image_t *image,
747 pixman_read_memory_func_t read_func,
748 pixman_write_memory_func_t write_func);
749 void pixman_image_set_indexed (pixman_image_t *image,
750 const pixman_indexed_t *indexed);
751 uint32_t *pixman_image_get_data (pixman_image_t *image);
752 int pixman_image_get_width (pixman_image_t *image);
753 int pixman_image_get_height (pixman_image_t *image);
754 int pixman_image_get_stride (pixman_image_t *image); /* in bytes */
755 int pixman_image_get_depth (pixman_image_t *image);
756 pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op,
757 pixman_image_t *image,
758 pixman_color_t *color,
760 const pixman_rectangle16_t *rects);
763 pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region,
764 pixman_image_t *src_image,
765 pixman_image_t *mask_image,
766 pixman_image_t *dst_image,
775 void pixman_image_composite (pixman_op_t op,
777 pixman_image_t *mask,
778 pixman_image_t *dest,
788 /* Old X servers rely on out-of-bounds accesses when they are asked
789 * to composite with a window as the source. They create a pixman image
790 * pointing to some bogus position in memory, but then they set a clip
791 * region to the position where the actual bits are.
793 * Due to a bug in old versions of pixman, where it would not clip
794 * against the image bounds when a clip region was set, this would
795 * actually work. So by default we allow certain out-of-bound access
796 * to happen unless explicitly disabled.
798 * Fixed X servers should call this function to disable the workaround.
800 void pixman_disable_out_of_bounds_workaround (void);
805 typedef struct pixman_edge pixman_edge_t;
806 typedef struct pixman_trapezoid pixman_trapezoid_t;
807 typedef struct pixman_trap pixman_trap_t;
808 typedef struct pixman_span_fix pixman_span_fix_t;
811 * An edge structure. This represents a single polygon edge
812 * and can be quickly stepped across small or large gaps in the
819 pixman_fixed_t stepx;
820 pixman_fixed_t signdx;
824 pixman_fixed_t stepx_small;
825 pixman_fixed_t stepx_big;
826 pixman_fixed_t dx_small;
827 pixman_fixed_t dx_big;
830 struct pixman_trapezoid
832 pixman_fixed_t top, bottom;
833 pixman_line_fixed_t left, right;
837 /* whether 't' is a well defined not obviously empty trapezoid */
838 #define pixman_trapezoid_valid(t) \
839 ((t)->left.p1.y != (t)->left.p2.y && \
840 (t)->right.p1.y != (t)->right.p2.y && \
841 (int) ((t)->bottom - (t)->top) > 0)
843 struct pixman_span_fix
845 pixman_fixed_t l, r, y;
850 pixman_span_fix_t top, bot;
853 pixman_fixed_t pixman_sample_ceil_y (pixman_fixed_t y,
855 pixman_fixed_t pixman_sample_floor_y (pixman_fixed_t y,
857 void pixman_edge_step (pixman_edge_t *e,
859 void pixman_edge_init (pixman_edge_t *e,
861 pixman_fixed_t y_start,
862 pixman_fixed_t x_top,
863 pixman_fixed_t y_top,
864 pixman_fixed_t x_bot,
865 pixman_fixed_t y_bot);
866 void pixman_line_fixed_edge_init (pixman_edge_t *e,
869 const pixman_line_fixed_t *line,
872 void pixman_rasterize_edges (pixman_image_t *image,
877 void pixman_add_traps (pixman_image_t *image,
881 pixman_trap_t *traps);
882 void pixman_add_trapezoids (pixman_image_t *image,
886 const pixman_trapezoid_t *traps);
887 void pixman_rasterize_trapezoid (pixman_image_t *image,
888 const pixman_trapezoid_t *trap,
892 #endif /* PIXMAN_H__ */