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__) || defined (__HP_cc)
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_minus_1 (pixman_int_to_fixed(-1))
113 #define pixman_fixed_to_int(f) ((int) ((f) >> 16))
114 #define pixman_int_to_fixed(i) ((pixman_fixed_t) ((i) << 16))
115 #define pixman_fixed_to_double(f) (double) ((f) / (double) pixman_fixed_1)
116 #define pixman_double_to_fixed(d) ((pixman_fixed_t) ((d) * 65536.0))
117 #define pixman_fixed_frac(f) ((f) & pixman_fixed_1_minus_e)
118 #define pixman_fixed_floor(f) ((f) & ~pixman_fixed_1_minus_e)
119 #define pixman_fixed_ceil(f) pixman_fixed_floor ((f) + pixman_fixed_1_minus_e)
120 #define pixman_fixed_fraction(f) ((f) & pixman_fixed_1_minus_e)
121 #define pixman_fixed_mod_2(f) ((f) & (pixman_fixed1 | pixman_fixed_1_minus_e))
122 #define pixman_max_fixed_48_16 ((pixman_fixed_48_16_t) 0x7fffffff)
123 #define pixman_min_fixed_48_16 (-((pixman_fixed_48_16_t) 1 << 31))
128 typedef struct pixman_color pixman_color_t;
129 typedef struct pixman_point_fixed pixman_point_fixed_t;
130 typedef struct pixman_line_fixed pixman_line_fixed_t;
131 typedef struct pixman_vector pixman_vector_t;
132 typedef struct pixman_transform pixman_transform_t;
142 struct pixman_point_fixed
148 struct pixman_line_fixed
150 pixman_point_fixed_t p1, p2;
154 * Fixed point matrices
159 pixman_fixed_t vector[3];
162 struct pixman_transform
164 pixman_fixed_t matrix[3][3];
167 /* forward declaration (sorry) */
170 void pixman_transform_init_identity (struct pixman_transform *matrix);
171 pixman_bool_t pixman_transform_point_3d (const struct pixman_transform *transform,
172 struct pixman_vector *vector);
173 pixman_bool_t pixman_transform_point (const struct pixman_transform *transform,
174 struct pixman_vector *vector);
175 pixman_bool_t pixman_transform_multiply (struct pixman_transform *dst,
176 const struct pixman_transform *l,
177 const struct pixman_transform *r);
178 void pixman_transform_init_scale (struct pixman_transform *t,
181 pixman_bool_t pixman_transform_scale (struct pixman_transform *forward,
182 struct pixman_transform *reverse,
185 void pixman_transform_init_rotate (struct pixman_transform *t,
188 pixman_bool_t pixman_transform_rotate (struct pixman_transform *forward,
189 struct pixman_transform *reverse,
192 void pixman_transform_init_translate (struct pixman_transform *t,
195 pixman_bool_t pixman_transform_translate (struct pixman_transform *forward,
196 struct pixman_transform *reverse,
199 pixman_bool_t pixman_transform_bounds (const struct pixman_transform *matrix,
200 struct pixman_box16 *b);
201 pixman_bool_t pixman_transform_invert (struct pixman_transform *dst,
202 const struct pixman_transform *src);
203 pixman_bool_t pixman_transform_is_identity (const struct pixman_transform *t);
204 pixman_bool_t pixman_transform_is_scale (const struct pixman_transform *t);
205 pixman_bool_t pixman_transform_is_int_translate (const struct pixman_transform *t);
206 pixman_bool_t pixman_transform_is_inverse (const struct pixman_transform *a,
207 const struct pixman_transform *b);
210 * Floating point matrices
212 struct pixman_f_vector
217 struct pixman_f_transform
222 pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t,
223 const struct pixman_f_transform *ft);
224 void pixman_f_transform_from_pixman_transform (struct pixman_f_transform *ft,
225 const struct pixman_transform *t);
226 pixman_bool_t pixman_f_transform_invert (struct pixman_f_transform *dst,
227 const struct pixman_f_transform *src);
228 pixman_bool_t pixman_f_transform_point (const struct pixman_f_transform *t,
229 struct pixman_f_vector *v);
230 void pixman_f_transform_point_3d (const struct pixman_f_transform *t,
231 struct pixman_f_vector *v);
232 void pixman_f_transform_multiply (struct pixman_f_transform *dst,
233 const struct pixman_f_transform *l,
234 const struct pixman_f_transform *r);
235 void pixman_f_transform_init_scale (struct pixman_f_transform *t,
238 pixman_bool_t pixman_f_transform_scale (struct pixman_f_transform *forward,
239 struct pixman_f_transform *reverse,
242 void pixman_f_transform_init_rotate (struct pixman_f_transform *t,
245 pixman_bool_t pixman_f_transform_rotate (struct pixman_f_transform *forward,
246 struct pixman_f_transform *reverse,
249 void pixman_f_transform_init_translate (struct pixman_f_transform *t,
252 pixman_bool_t pixman_f_transform_translate (struct pixman_f_transform *forward,
253 struct pixman_f_transform *reverse,
256 pixman_bool_t pixman_f_transform_bounds (const struct pixman_f_transform *t,
257 struct pixman_box16 *b);
258 void pixman_f_transform_init_identity (struct pixman_f_transform *t);
263 PIXMAN_REPEAT_NORMAL,
265 PIXMAN_REPEAT_REFLECT
273 PIXMAN_FILTER_NEAREST,
274 PIXMAN_FILTER_BILINEAR,
275 PIXMAN_FILTER_CONVOLUTION
280 PIXMAN_OP_CLEAR = 0x00,
281 PIXMAN_OP_SRC = 0x01,
282 PIXMAN_OP_DST = 0x02,
283 PIXMAN_OP_OVER = 0x03,
284 PIXMAN_OP_OVER_REVERSE = 0x04,
286 PIXMAN_OP_IN_REVERSE = 0x06,
287 PIXMAN_OP_OUT = 0x07,
288 PIXMAN_OP_OUT_REVERSE = 0x08,
289 PIXMAN_OP_ATOP = 0x09,
290 PIXMAN_OP_ATOP_REVERSE = 0x0a,
291 PIXMAN_OP_XOR = 0x0b,
292 PIXMAN_OP_ADD = 0x0c,
293 PIXMAN_OP_SATURATE = 0x0d,
295 PIXMAN_OP_DISJOINT_CLEAR = 0x10,
296 PIXMAN_OP_DISJOINT_SRC = 0x11,
297 PIXMAN_OP_DISJOINT_DST = 0x12,
298 PIXMAN_OP_DISJOINT_OVER = 0x13,
299 PIXMAN_OP_DISJOINT_OVER_REVERSE = 0x14,
300 PIXMAN_OP_DISJOINT_IN = 0x15,
301 PIXMAN_OP_DISJOINT_IN_REVERSE = 0x16,
302 PIXMAN_OP_DISJOINT_OUT = 0x17,
303 PIXMAN_OP_DISJOINT_OUT_REVERSE = 0x18,
304 PIXMAN_OP_DISJOINT_ATOP = 0x19,
305 PIXMAN_OP_DISJOINT_ATOP_REVERSE = 0x1a,
306 PIXMAN_OP_DISJOINT_XOR = 0x1b,
308 PIXMAN_OP_CONJOINT_CLEAR = 0x20,
309 PIXMAN_OP_CONJOINT_SRC = 0x21,
310 PIXMAN_OP_CONJOINT_DST = 0x22,
311 PIXMAN_OP_CONJOINT_OVER = 0x23,
312 PIXMAN_OP_CONJOINT_OVER_REVERSE = 0x24,
313 PIXMAN_OP_CONJOINT_IN = 0x25,
314 PIXMAN_OP_CONJOINT_IN_REVERSE = 0x26,
315 PIXMAN_OP_CONJOINT_OUT = 0x27,
316 PIXMAN_OP_CONJOINT_OUT_REVERSE = 0x28,
317 PIXMAN_OP_CONJOINT_ATOP = 0x29,
318 PIXMAN_OP_CONJOINT_ATOP_REVERSE = 0x2a,
319 PIXMAN_OP_CONJOINT_XOR = 0x2b,
321 PIXMAN_OP_MULTIPLY = 0x30,
322 PIXMAN_OP_SCREEN = 0x31,
323 PIXMAN_OP_OVERLAY = 0x32,
324 PIXMAN_OP_DARKEN = 0x33,
325 PIXMAN_OP_LIGHTEN = 0x34,
326 PIXMAN_OP_COLOR_DODGE = 0x35,
327 PIXMAN_OP_COLOR_BURN = 0x36,
328 PIXMAN_OP_HARD_LIGHT = 0x37,
329 PIXMAN_OP_SOFT_LIGHT = 0x38,
330 PIXMAN_OP_DIFFERENCE = 0x39,
331 PIXMAN_OP_EXCLUSION = 0x3a,
332 PIXMAN_OP_HSL_HUE = 0x3b,
333 PIXMAN_OP_HSL_SATURATION = 0x3c,
334 PIXMAN_OP_HSL_COLOR = 0x3d,
335 PIXMAN_OP_HSL_LUMINOSITY = 0x3e,
337 #ifdef PIXMAN_USE_INTERNAL_API
339 PIXMAN_OP_NONE = PIXMAN_N_OPERATORS
346 typedef struct pixman_region16_data pixman_region16_data_t;
347 typedef struct pixman_box16 pixman_box16_t;
348 typedef struct pixman_rectangle16 pixman_rectangle16_t;
349 typedef struct pixman_region16 pixman_region16_t;
351 struct pixman_region16_data {
354 /* pixman_box16_t rects[size]; in memory but not explicitly declared */
357 struct pixman_rectangle16
360 uint16_t width, height;
365 int16_t x1, y1, x2, y2;
368 struct pixman_region16
370 pixman_box16_t extents;
371 pixman_region16_data_t *data;
379 } pixman_region_overlap_t;
381 /* This function exists only to make it possible to preserve
382 * the X ABI - it should go away at first opportunity.
384 void pixman_region_set_static_pointers (pixman_box16_t *empty_box,
385 pixman_region16_data_t *empty_data,
386 pixman_region16_data_t *broken_data);
388 /* creation/destruction */
389 void pixman_region_init (pixman_region16_t *region);
390 void pixman_region_init_rect (pixman_region16_t *region,
394 unsigned int height);
395 pixman_bool_t pixman_region_init_rects (pixman_region16_t *region,
396 const pixman_box16_t *boxes,
398 void pixman_region_init_with_extents (pixman_region16_t *region,
399 pixman_box16_t *extents);
400 void pixman_region_fini (pixman_region16_t *region);
405 void pixman_region_translate (pixman_region16_t *region,
408 pixman_bool_t pixman_region_copy (pixman_region16_t *dest,
409 pixman_region16_t *source);
410 pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg,
411 pixman_region16_t *reg1,
412 pixman_region16_t *reg2);
413 pixman_bool_t pixman_region_union (pixman_region16_t *new_reg,
414 pixman_region16_t *reg1,
415 pixman_region16_t *reg2);
416 pixman_bool_t pixman_region_union_rect (pixman_region16_t *dest,
417 pixman_region16_t *source,
421 unsigned int height);
422 pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d,
423 pixman_region16_t *reg_m,
424 pixman_region16_t *reg_s);
425 pixman_bool_t pixman_region_inverse (pixman_region16_t *new_reg,
426 pixman_region16_t *reg1,
427 pixman_box16_t *inv_rect);
428 pixman_bool_t pixman_region_contains_point (pixman_region16_t *region,
431 pixman_box16_t *box);
432 pixman_region_overlap_t pixman_region_contains_rectangle (pixman_region16_t *region,
433 pixman_box16_t *prect);
434 pixman_bool_t pixman_region_not_empty (pixman_region16_t *region);
435 pixman_box16_t * pixman_region_extents (pixman_region16_t *region);
436 int pixman_region_n_rects (pixman_region16_t *region);
437 pixman_box16_t * pixman_region_rectangles (pixman_region16_t *region,
439 pixman_bool_t pixman_region_equal (pixman_region16_t *region1,
440 pixman_region16_t *region2);
441 pixman_bool_t pixman_region_selfcheck (pixman_region16_t *region);
442 void pixman_region_reset (pixman_region16_t *region,
443 pixman_box16_t *box);
447 typedef struct pixman_region32_data pixman_region32_data_t;
448 typedef struct pixman_box32 pixman_box32_t;
449 typedef struct pixman_rectangle32 pixman_rectangle32_t;
450 typedef struct pixman_region32 pixman_region32_t;
452 struct pixman_region32_data {
455 /* pixman_box32_t rects[size]; in memory but not explicitly declared */
458 struct pixman_rectangle32
461 uint32_t width, height;
466 int32_t x1, y1, x2, y2;
469 struct pixman_region32
471 pixman_box32_t extents;
472 pixman_region32_data_t *data;
475 /* creation/destruction */
476 void pixman_region32_init (pixman_region32_t *region);
477 void pixman_region32_init_rect (pixman_region32_t *region,
481 unsigned int height);
482 pixman_bool_t pixman_region32_init_rects (pixman_region32_t *region,
483 const pixman_box32_t *boxes,
485 void pixman_region32_init_with_extents (pixman_region32_t *region,
486 pixman_box32_t *extents);
487 void pixman_region32_fini (pixman_region32_t *region);
491 void pixman_region32_translate (pixman_region32_t *region,
494 pixman_bool_t pixman_region32_copy (pixman_region32_t *dest,
495 pixman_region32_t *source);
496 pixman_bool_t pixman_region32_intersect (pixman_region32_t *new_reg,
497 pixman_region32_t *reg1,
498 pixman_region32_t *reg2);
499 pixman_bool_t pixman_region32_union (pixman_region32_t *new_reg,
500 pixman_region32_t *reg1,
501 pixman_region32_t *reg2);
502 pixman_bool_t pixman_region32_union_rect (pixman_region32_t *dest,
503 pixman_region32_t *source,
507 unsigned int height);
508 pixman_bool_t pixman_region32_subtract (pixman_region32_t *reg_d,
509 pixman_region32_t *reg_m,
510 pixman_region32_t *reg_s);
511 pixman_bool_t pixman_region32_inverse (pixman_region32_t *new_reg,
512 pixman_region32_t *reg1,
513 pixman_box32_t *inv_rect);
514 pixman_bool_t pixman_region32_contains_point (pixman_region32_t *region,
517 pixman_box32_t *box);
518 pixman_region_overlap_t pixman_region32_contains_rectangle (pixman_region32_t *region,
519 pixman_box32_t *prect);
520 pixman_bool_t pixman_region32_not_empty (pixman_region32_t *region);
521 pixman_box32_t * pixman_region32_extents (pixman_region32_t *region);
522 int pixman_region32_n_rects (pixman_region32_t *region);
523 pixman_box32_t * pixman_region32_rectangles (pixman_region32_t *region,
525 pixman_bool_t pixman_region32_equal (pixman_region32_t *region1,
526 pixman_region32_t *region2);
527 pixman_bool_t pixman_region32_selfcheck (pixman_region32_t *region);
528 void pixman_region32_reset (pixman_region32_t *region,
529 pixman_box32_t *box);
532 /* Copy / Fill / Misc */
533 pixman_bool_t pixman_blt (uint32_t *src_bits,
545 pixman_bool_t pixman_fill (uint32_t *bits,
554 int pixman_version (void);
555 const char* pixman_version_string (void);
560 typedef union pixman_image pixman_image_t;
561 typedef struct pixman_indexed pixman_indexed_t;
562 typedef struct pixman_gradient_stop pixman_gradient_stop_t;
564 typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size);
565 typedef void (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size);
567 typedef void (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data);
569 struct pixman_gradient_stop {
571 pixman_color_t color;
574 #define PIXMAN_MAX_INDEXED 256 /* XXX depth must be <= 8 */
576 #if PIXMAN_MAX_INDEXED <= 256
577 typedef uint8_t pixman_index_type;
580 struct pixman_indexed
583 uint32_t rgba[PIXMAN_MAX_INDEXED];
584 pixman_index_type ent[32768];
588 * While the protocol is generous in format support, the
589 * sample implementation allows only packed RGB and GBR
590 * representations for data to simplify software rendering,
592 #define PIXMAN_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \
599 #define PIXMAN_FORMAT_BPP(f) (((f) >> 24) )
600 #define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0xff)
601 #define PIXMAN_FORMAT_A(f) (((f) >> 12) & 0x0f)
602 #define PIXMAN_FORMAT_R(f) (((f) >> 8) & 0x0f)
603 #define PIXMAN_FORMAT_G(f) (((f) >> 4) & 0x0f)
604 #define PIXMAN_FORMAT_B(f) (((f) ) & 0x0f)
605 #define PIXMAN_FORMAT_RGB(f) (((f) ) & 0xfff)
606 #define PIXMAN_FORMAT_VIS(f) (((f) ) & 0xffff)
607 #define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \
608 PIXMAN_FORMAT_R(f) + \
609 PIXMAN_FORMAT_G(f) + \
612 #define PIXMAN_TYPE_OTHER 0
613 #define PIXMAN_TYPE_A 1
614 #define PIXMAN_TYPE_ARGB 2
615 #define PIXMAN_TYPE_ABGR 3
616 #define PIXMAN_TYPE_COLOR 4
617 #define PIXMAN_TYPE_GRAY 5
618 #define PIXMAN_TYPE_YUY2 6
619 #define PIXMAN_TYPE_YV12 7
620 #define PIXMAN_TYPE_BGRA 8
622 #define PIXMAN_FORMAT_COLOR(f) \
623 (PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB || \
624 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR || \
625 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA)
629 PIXMAN_a8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8),
630 PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8),
631 PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8),
632 PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8),
633 PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8),
634 PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8),
635 PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10),
636 PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10),
637 PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10),
638 PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10),
641 PIXMAN_r8g8b8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8),
642 PIXMAN_b8g8r8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8),
645 PIXMAN_r5g6b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5),
646 PIXMAN_b5g6r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5),
648 PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5),
649 PIXMAN_x1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5),
650 PIXMAN_a1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5),
651 PIXMAN_x1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5),
652 PIXMAN_a4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4),
653 PIXMAN_x4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4),
654 PIXMAN_a4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4),
655 PIXMAN_x4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4),
658 PIXMAN_a8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0),
659 PIXMAN_r3g3b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2),
660 PIXMAN_b2g3r3 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2),
661 PIXMAN_a2r2g2b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2),
662 PIXMAN_a2b2g2r2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2),
664 PIXMAN_c8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
665 PIXMAN_g8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
667 PIXMAN_x4a4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0),
669 PIXMAN_x4c4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
670 PIXMAN_x4g4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
673 PIXMAN_a4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0),
674 PIXMAN_r1g2b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1),
675 PIXMAN_b1g2r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1),
676 PIXMAN_a1r1g1b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1),
677 PIXMAN_a1b1g1r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1),
679 PIXMAN_c4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0),
680 PIXMAN_g4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0),
683 PIXMAN_a1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0),
685 PIXMAN_g1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0),
688 PIXMAN_yuy2 = PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0),
689 PIXMAN_yv12 = PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0)
690 } pixman_format_code_t;
692 /* Querying supported format values. */
693 pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format);
694 pixman_bool_t pixman_format_supported_source (pixman_format_code_t format);
697 pixman_image_t *pixman_image_create_solid_fill (pixman_color_t *color);
698 pixman_image_t *pixman_image_create_linear_gradient (pixman_point_fixed_t *p1,
699 pixman_point_fixed_t *p2,
700 const pixman_gradient_stop_t *stops,
702 pixman_image_t *pixman_image_create_radial_gradient (pixman_point_fixed_t *inner,
703 pixman_point_fixed_t *outer,
704 pixman_fixed_t inner_radius,
705 pixman_fixed_t outer_radius,
706 const pixman_gradient_stop_t *stops,
708 pixman_image_t *pixman_image_create_conical_gradient (pixman_point_fixed_t *center,
709 pixman_fixed_t angle,
710 const pixman_gradient_stop_t *stops,
712 pixman_image_t *pixman_image_create_bits (pixman_format_code_t format,
716 int rowstride_bytes);
719 pixman_image_t *pixman_image_ref (pixman_image_t *image);
720 pixman_bool_t pixman_image_unref (pixman_image_t *image);
722 void pixman_image_set_destroy_function (pixman_image_t *image,
723 pixman_image_destroy_func_t function,
727 pixman_bool_t pixman_image_set_clip_region (pixman_image_t *image,
728 pixman_region16_t *region);
729 pixman_bool_t pixman_image_set_clip_region32 (pixman_image_t *image,
730 pixman_region32_t *region);
731 void pixman_image_set_has_client_clip (pixman_image_t *image,
732 pixman_bool_t clien_clip);
733 pixman_bool_t pixman_image_set_transform (pixman_image_t *image,
734 const pixman_transform_t *transform);
735 void pixman_image_set_repeat (pixman_image_t *image,
736 pixman_repeat_t repeat);
737 pixman_bool_t pixman_image_set_filter (pixman_image_t *image,
738 pixman_filter_t filter,
739 const pixman_fixed_t *filter_params,
740 int n_filter_params);
741 void pixman_image_set_source_clipping (pixman_image_t *image,
742 pixman_bool_t source_clipping);
743 void pixman_image_set_alpha_map (pixman_image_t *image,
744 pixman_image_t *alpha_map,
747 void pixman_image_set_component_alpha (pixman_image_t *image,
748 pixman_bool_t component_alpha);
749 void pixman_image_set_accessors (pixman_image_t *image,
750 pixman_read_memory_func_t read_func,
751 pixman_write_memory_func_t write_func);
752 void pixman_image_set_indexed (pixman_image_t *image,
753 const pixman_indexed_t *indexed);
754 uint32_t *pixman_image_get_data (pixman_image_t *image);
755 int pixman_image_get_width (pixman_image_t *image);
756 int pixman_image_get_height (pixman_image_t *image);
757 int pixman_image_get_stride (pixman_image_t *image); /* in bytes */
758 int pixman_image_get_depth (pixman_image_t *image);
759 pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op,
760 pixman_image_t *image,
761 pixman_color_t *color,
763 const pixman_rectangle16_t *rects);
764 pixman_bool_t pixman_image_fill_boxes (pixman_op_t op,
765 pixman_image_t *dest,
766 pixman_color_t *color,
768 const pixman_box32_t *boxes);
771 pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region,
772 pixman_image_t *src_image,
773 pixman_image_t *mask_image,
774 pixman_image_t *dst_image,
783 void pixman_image_composite (pixman_op_t op,
785 pixman_image_t *mask,
786 pixman_image_t *dest,
795 void pixman_image_composite32 (pixman_op_t op,
797 pixman_image_t *mask,
798 pixman_image_t *dest,
808 /* Old X servers rely on out-of-bounds accesses when they are asked
809 * to composite with a window as the source. They create a pixman image
810 * pointing to some bogus position in memory, but then they set a clip
811 * region to the position where the actual bits are.
813 * Due to a bug in old versions of pixman, where it would not clip
814 * against the image bounds when a clip region was set, this would
815 * actually work. So by default we allow certain out-of-bound access
816 * to happen unless explicitly disabled.
818 * Fixed X servers should call this function to disable the workaround.
820 void pixman_disable_out_of_bounds_workaround (void);
825 typedef struct pixman_edge pixman_edge_t;
826 typedef struct pixman_trapezoid pixman_trapezoid_t;
827 typedef struct pixman_trap pixman_trap_t;
828 typedef struct pixman_span_fix pixman_span_fix_t;
831 * An edge structure. This represents a single polygon edge
832 * and can be quickly stepped across small or large gaps in the
839 pixman_fixed_t stepx;
840 pixman_fixed_t signdx;
844 pixman_fixed_t stepx_small;
845 pixman_fixed_t stepx_big;
846 pixman_fixed_t dx_small;
847 pixman_fixed_t dx_big;
850 struct pixman_trapezoid
852 pixman_fixed_t top, bottom;
853 pixman_line_fixed_t left, right;
857 /* whether 't' is a well defined not obviously empty trapezoid */
858 #define pixman_trapezoid_valid(t) \
859 ((t)->left.p1.y != (t)->left.p2.y && \
860 (t)->right.p1.y != (t)->right.p2.y && \
861 (int) ((t)->bottom - (t)->top) > 0)
863 struct pixman_span_fix
865 pixman_fixed_t l, r, y;
870 pixman_span_fix_t top, bot;
873 pixman_fixed_t pixman_sample_ceil_y (pixman_fixed_t y,
875 pixman_fixed_t pixman_sample_floor_y (pixman_fixed_t y,
877 void pixman_edge_step (pixman_edge_t *e,
879 void pixman_edge_init (pixman_edge_t *e,
881 pixman_fixed_t y_start,
882 pixman_fixed_t x_top,
883 pixman_fixed_t y_top,
884 pixman_fixed_t x_bot,
885 pixman_fixed_t y_bot);
886 void pixman_line_fixed_edge_init (pixman_edge_t *e,
889 const pixman_line_fixed_t *line,
892 void pixman_rasterize_edges (pixman_image_t *image,
897 void pixman_add_traps (pixman_image_t *image,
901 pixman_trap_t *traps);
902 void pixman_add_trapezoids (pixman_image_t *image,
906 const pixman_trapezoid_t *traps);
907 void pixman_rasterize_trapezoid (pixman_image_t *image,
908 const pixman_trapezoid_t *trap,
912 #endif /* PIXMAN_H__ */