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>
75 #define PIXMAN_BEGIN_DECLS extern "C" {
76 #define PIXMAN_END_DECLS }
78 #define PIXMAN_BEGIN_DECLS
79 #define PIXMAN_END_DECLS
87 #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || defined (_sgi) || defined (__sun) || defined (sun) || defined (__digital__) || defined (__HP_cc)
88 # include <inttypes.h>
89 #elif defined (_MSC_VER)
90 typedef __int8 int8_t;
91 typedef unsigned __int8 uint8_t;
92 typedef __int16 int16_t;
93 typedef unsigned __int16 uint16_t;
94 typedef __int32 int32_t;
95 typedef unsigned __int32 uint32_t;
96 typedef __int64 int64_t;
97 typedef unsigned __int64 uint64_t;
99 # include <sys/inttypes.h>
107 typedef int pixman_bool_t;
112 typedef int64_t pixman_fixed_32_32_t;
113 typedef pixman_fixed_32_32_t pixman_fixed_48_16_t;
114 typedef uint32_t pixman_fixed_1_31_t;
115 typedef uint32_t pixman_fixed_1_16_t;
116 typedef int32_t pixman_fixed_16_16_t;
117 typedef pixman_fixed_16_16_t pixman_fixed_t;
119 #define pixman_fixed_e ((pixman_fixed_t) 1)
120 #define pixman_fixed_1 (pixman_int_to_fixed(1))
121 #define pixman_fixed_1_minus_e (pixman_fixed_1 - pixman_fixed_e)
122 #define pixman_fixed_minus_1 (pixman_int_to_fixed(-1))
123 #define pixman_fixed_to_int(f) ((int) ((f) >> 16))
124 #define pixman_int_to_fixed(i) ((pixman_fixed_t) ((i) << 16))
125 #define pixman_fixed_to_double(f) (double) ((f) / (double) pixman_fixed_1)
126 #define pixman_double_to_fixed(d) ((pixman_fixed_t) ((d) * 65536.0))
127 #define pixman_fixed_frac(f) ((f) & pixman_fixed_1_minus_e)
128 #define pixman_fixed_floor(f) ((f) & ~pixman_fixed_1_minus_e)
129 #define pixman_fixed_ceil(f) pixman_fixed_floor ((f) + pixman_fixed_1_minus_e)
130 #define pixman_fixed_fraction(f) ((f) & pixman_fixed_1_minus_e)
131 #define pixman_fixed_mod_2(f) ((f) & (pixman_fixed1 | pixman_fixed_1_minus_e))
132 #define pixman_max_fixed_48_16 ((pixman_fixed_48_16_t) 0x7fffffff)
133 #define pixman_min_fixed_48_16 (-((pixman_fixed_48_16_t) 1 << 31))
138 typedef struct pixman_color pixman_color_t;
139 typedef struct pixman_point_fixed pixman_point_fixed_t;
140 typedef struct pixman_line_fixed pixman_line_fixed_t;
141 typedef struct pixman_vector pixman_vector_t;
142 typedef struct pixman_transform pixman_transform_t;
152 struct pixman_point_fixed
158 struct pixman_line_fixed
160 pixman_point_fixed_t p1, p2;
164 * Fixed point matrices
169 pixman_fixed_t vector[3];
172 struct pixman_transform
174 pixman_fixed_t matrix[3][3];
177 /* forward declaration (sorry) */
179 typedef union pixman_image pixman_image_t;
181 void pixman_transform_init_identity (struct pixman_transform *matrix);
182 pixman_bool_t pixman_transform_point_3d (const struct pixman_transform *transform,
183 struct pixman_vector *vector);
184 pixman_bool_t pixman_transform_point (const struct pixman_transform *transform,
185 struct pixman_vector *vector);
186 pixman_bool_t pixman_transform_multiply (struct pixman_transform *dst,
187 const struct pixman_transform *l,
188 const struct pixman_transform *r);
189 void pixman_transform_init_scale (struct pixman_transform *t,
192 pixman_bool_t pixman_transform_scale (struct pixman_transform *forward,
193 struct pixman_transform *reverse,
196 void pixman_transform_init_rotate (struct pixman_transform *t,
199 pixman_bool_t pixman_transform_rotate (struct pixman_transform *forward,
200 struct pixman_transform *reverse,
203 void pixman_transform_init_translate (struct pixman_transform *t,
206 pixman_bool_t pixman_transform_translate (struct pixman_transform *forward,
207 struct pixman_transform *reverse,
210 pixman_bool_t pixman_transform_bounds (const struct pixman_transform *matrix,
211 struct pixman_box16 *b);
212 pixman_bool_t pixman_transform_invert (struct pixman_transform *dst,
213 const struct pixman_transform *src);
214 pixman_bool_t pixman_transform_is_identity (const struct pixman_transform *t);
215 pixman_bool_t pixman_transform_is_scale (const struct pixman_transform *t);
216 pixman_bool_t pixman_transform_is_int_translate (const struct pixman_transform *t);
217 pixman_bool_t pixman_transform_is_inverse (const struct pixman_transform *a,
218 const struct pixman_transform *b);
221 * Floating point matrices
223 struct pixman_f_vector
228 struct pixman_f_transform
233 pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t,
234 const struct pixman_f_transform *ft);
235 void pixman_f_transform_from_pixman_transform (struct pixman_f_transform *ft,
236 const struct pixman_transform *t);
237 pixman_bool_t pixman_f_transform_invert (struct pixman_f_transform *dst,
238 const struct pixman_f_transform *src);
239 pixman_bool_t pixman_f_transform_point (const struct pixman_f_transform *t,
240 struct pixman_f_vector *v);
241 void pixman_f_transform_point_3d (const struct pixman_f_transform *t,
242 struct pixman_f_vector *v);
243 void pixman_f_transform_multiply (struct pixman_f_transform *dst,
244 const struct pixman_f_transform *l,
245 const struct pixman_f_transform *r);
246 void pixman_f_transform_init_scale (struct pixman_f_transform *t,
249 pixman_bool_t pixman_f_transform_scale (struct pixman_f_transform *forward,
250 struct pixman_f_transform *reverse,
253 void pixman_f_transform_init_rotate (struct pixman_f_transform *t,
256 pixman_bool_t pixman_f_transform_rotate (struct pixman_f_transform *forward,
257 struct pixman_f_transform *reverse,
260 void pixman_f_transform_init_translate (struct pixman_f_transform *t,
263 pixman_bool_t pixman_f_transform_translate (struct pixman_f_transform *forward,
264 struct pixman_f_transform *reverse,
267 pixman_bool_t pixman_f_transform_bounds (const struct pixman_f_transform *t,
268 struct pixman_box16 *b);
269 void pixman_f_transform_init_identity (struct pixman_f_transform *t);
274 PIXMAN_REPEAT_NORMAL,
276 PIXMAN_REPEAT_REFLECT
284 PIXMAN_FILTER_NEAREST,
285 PIXMAN_FILTER_BILINEAR,
286 PIXMAN_FILTER_CONVOLUTION
291 PIXMAN_OP_CLEAR = 0x00,
292 PIXMAN_OP_SRC = 0x01,
293 PIXMAN_OP_DST = 0x02,
294 PIXMAN_OP_OVER = 0x03,
295 PIXMAN_OP_OVER_REVERSE = 0x04,
297 PIXMAN_OP_IN_REVERSE = 0x06,
298 PIXMAN_OP_OUT = 0x07,
299 PIXMAN_OP_OUT_REVERSE = 0x08,
300 PIXMAN_OP_ATOP = 0x09,
301 PIXMAN_OP_ATOP_REVERSE = 0x0a,
302 PIXMAN_OP_XOR = 0x0b,
303 PIXMAN_OP_ADD = 0x0c,
304 PIXMAN_OP_SATURATE = 0x0d,
306 PIXMAN_OP_DISJOINT_CLEAR = 0x10,
307 PIXMAN_OP_DISJOINT_SRC = 0x11,
308 PIXMAN_OP_DISJOINT_DST = 0x12,
309 PIXMAN_OP_DISJOINT_OVER = 0x13,
310 PIXMAN_OP_DISJOINT_OVER_REVERSE = 0x14,
311 PIXMAN_OP_DISJOINT_IN = 0x15,
312 PIXMAN_OP_DISJOINT_IN_REVERSE = 0x16,
313 PIXMAN_OP_DISJOINT_OUT = 0x17,
314 PIXMAN_OP_DISJOINT_OUT_REVERSE = 0x18,
315 PIXMAN_OP_DISJOINT_ATOP = 0x19,
316 PIXMAN_OP_DISJOINT_ATOP_REVERSE = 0x1a,
317 PIXMAN_OP_DISJOINT_XOR = 0x1b,
319 PIXMAN_OP_CONJOINT_CLEAR = 0x20,
320 PIXMAN_OP_CONJOINT_SRC = 0x21,
321 PIXMAN_OP_CONJOINT_DST = 0x22,
322 PIXMAN_OP_CONJOINT_OVER = 0x23,
323 PIXMAN_OP_CONJOINT_OVER_REVERSE = 0x24,
324 PIXMAN_OP_CONJOINT_IN = 0x25,
325 PIXMAN_OP_CONJOINT_IN_REVERSE = 0x26,
326 PIXMAN_OP_CONJOINT_OUT = 0x27,
327 PIXMAN_OP_CONJOINT_OUT_REVERSE = 0x28,
328 PIXMAN_OP_CONJOINT_ATOP = 0x29,
329 PIXMAN_OP_CONJOINT_ATOP_REVERSE = 0x2a,
330 PIXMAN_OP_CONJOINT_XOR = 0x2b,
332 PIXMAN_OP_MULTIPLY = 0x30,
333 PIXMAN_OP_SCREEN = 0x31,
334 PIXMAN_OP_OVERLAY = 0x32,
335 PIXMAN_OP_DARKEN = 0x33,
336 PIXMAN_OP_LIGHTEN = 0x34,
337 PIXMAN_OP_COLOR_DODGE = 0x35,
338 PIXMAN_OP_COLOR_BURN = 0x36,
339 PIXMAN_OP_HARD_LIGHT = 0x37,
340 PIXMAN_OP_SOFT_LIGHT = 0x38,
341 PIXMAN_OP_DIFFERENCE = 0x39,
342 PIXMAN_OP_EXCLUSION = 0x3a,
343 PIXMAN_OP_HSL_HUE = 0x3b,
344 PIXMAN_OP_HSL_SATURATION = 0x3c,
345 PIXMAN_OP_HSL_COLOR = 0x3d,
346 PIXMAN_OP_HSL_LUMINOSITY = 0x3e
348 #ifdef PIXMAN_USE_INTERNAL_API
351 PIXMAN_OP_NONE = PIXMAN_N_OPERATORS
358 typedef struct pixman_region16_data pixman_region16_data_t;
359 typedef struct pixman_box16 pixman_box16_t;
360 typedef struct pixman_rectangle16 pixman_rectangle16_t;
361 typedef struct pixman_region16 pixman_region16_t;
363 struct pixman_region16_data {
366 /* pixman_box16_t rects[size]; in memory but not explicitly declared */
369 struct pixman_rectangle16
372 uint16_t width, height;
377 int16_t x1, y1, x2, y2;
380 struct pixman_region16
382 pixman_box16_t extents;
383 pixman_region16_data_t *data;
391 } pixman_region_overlap_t;
393 /* This function exists only to make it possible to preserve
394 * the X ABI - it should go away at first opportunity.
396 void pixman_region_set_static_pointers (pixman_box16_t *empty_box,
397 pixman_region16_data_t *empty_data,
398 pixman_region16_data_t *broken_data);
400 /* creation/destruction */
401 void pixman_region_init (pixman_region16_t *region);
402 void pixman_region_init_rect (pixman_region16_t *region,
406 unsigned int height);
407 pixman_bool_t pixman_region_init_rects (pixman_region16_t *region,
408 const pixman_box16_t *boxes,
410 void pixman_region_init_with_extents (pixman_region16_t *region,
411 pixman_box16_t *extents);
412 void pixman_region_init_from_image (pixman_region16_t *region,
413 pixman_image_t *image);
414 void pixman_region_fini (pixman_region16_t *region);
419 void pixman_region_translate (pixman_region16_t *region,
422 pixman_bool_t pixman_region_copy (pixman_region16_t *dest,
423 pixman_region16_t *source);
424 pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg,
425 pixman_region16_t *reg1,
426 pixman_region16_t *reg2);
427 pixman_bool_t pixman_region_union (pixman_region16_t *new_reg,
428 pixman_region16_t *reg1,
429 pixman_region16_t *reg2);
430 pixman_bool_t pixman_region_union_rect (pixman_region16_t *dest,
431 pixman_region16_t *source,
435 unsigned int height);
436 pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d,
437 pixman_region16_t *reg_m,
438 pixman_region16_t *reg_s);
439 pixman_bool_t pixman_region_inverse (pixman_region16_t *new_reg,
440 pixman_region16_t *reg1,
441 pixman_box16_t *inv_rect);
442 pixman_bool_t pixman_region_contains_point (pixman_region16_t *region,
445 pixman_box16_t *box);
446 pixman_region_overlap_t pixman_region_contains_rectangle (pixman_region16_t *region,
447 pixman_box16_t *prect);
448 pixman_bool_t pixman_region_not_empty (pixman_region16_t *region);
449 pixman_box16_t * pixman_region_extents (pixman_region16_t *region);
450 int pixman_region_n_rects (pixman_region16_t *region);
451 pixman_box16_t * pixman_region_rectangles (pixman_region16_t *region,
453 pixman_bool_t pixman_region_equal (pixman_region16_t *region1,
454 pixman_region16_t *region2);
455 pixman_bool_t pixman_region_selfcheck (pixman_region16_t *region);
456 void pixman_region_reset (pixman_region16_t *region,
457 pixman_box16_t *box);
461 typedef struct pixman_region32_data pixman_region32_data_t;
462 typedef struct pixman_box32 pixman_box32_t;
463 typedef struct pixman_rectangle32 pixman_rectangle32_t;
464 typedef struct pixman_region32 pixman_region32_t;
466 struct pixman_region32_data {
469 /* pixman_box32_t rects[size]; in memory but not explicitly declared */
472 struct pixman_rectangle32
475 uint32_t width, height;
480 int32_t x1, y1, x2, y2;
483 struct pixman_region32
485 pixman_box32_t extents;
486 pixman_region32_data_t *data;
489 /* creation/destruction */
490 void pixman_region32_init (pixman_region32_t *region);
491 void pixman_region32_init_rect (pixman_region32_t *region,
495 unsigned int height);
496 pixman_bool_t pixman_region32_init_rects (pixman_region32_t *region,
497 const pixman_box32_t *boxes,
499 void pixman_region32_init_with_extents (pixman_region32_t *region,
500 pixman_box32_t *extents);
501 void pixman_region32_init_from_image (pixman_region32_t *region,
502 pixman_image_t *image);
503 void pixman_region32_fini (pixman_region32_t *region);
507 void pixman_region32_translate (pixman_region32_t *region,
510 pixman_bool_t pixman_region32_copy (pixman_region32_t *dest,
511 pixman_region32_t *source);
512 pixman_bool_t pixman_region32_intersect (pixman_region32_t *new_reg,
513 pixman_region32_t *reg1,
514 pixman_region32_t *reg2);
515 pixman_bool_t pixman_region32_union (pixman_region32_t *new_reg,
516 pixman_region32_t *reg1,
517 pixman_region32_t *reg2);
518 pixman_bool_t pixman_region32_union_rect (pixman_region32_t *dest,
519 pixman_region32_t *source,
523 unsigned int height);
524 pixman_bool_t pixman_region32_subtract (pixman_region32_t *reg_d,
525 pixman_region32_t *reg_m,
526 pixman_region32_t *reg_s);
527 pixman_bool_t pixman_region32_inverse (pixman_region32_t *new_reg,
528 pixman_region32_t *reg1,
529 pixman_box32_t *inv_rect);
530 pixman_bool_t pixman_region32_contains_point (pixman_region32_t *region,
533 pixman_box32_t *box);
534 pixman_region_overlap_t pixman_region32_contains_rectangle (pixman_region32_t *region,
535 pixman_box32_t *prect);
536 pixman_bool_t pixman_region32_not_empty (pixman_region32_t *region);
537 pixman_box32_t * pixman_region32_extents (pixman_region32_t *region);
538 int pixman_region32_n_rects (pixman_region32_t *region);
539 pixman_box32_t * pixman_region32_rectangles (pixman_region32_t *region,
541 pixman_bool_t pixman_region32_equal (pixman_region32_t *region1,
542 pixman_region32_t *region2);
543 pixman_bool_t pixman_region32_selfcheck (pixman_region32_t *region);
544 void pixman_region32_reset (pixman_region32_t *region,
545 pixman_box32_t *box);
548 /* Copy / Fill / Misc */
549 pixman_bool_t pixman_blt (uint32_t *src_bits,
561 pixman_bool_t pixman_fill (uint32_t *bits,
570 int pixman_version (void);
571 const char* pixman_version_string (void);
576 typedef struct pixman_indexed pixman_indexed_t;
577 typedef struct pixman_gradient_stop pixman_gradient_stop_t;
579 typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size);
580 typedef void (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size);
582 typedef void (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data);
584 struct pixman_gradient_stop {
586 pixman_color_t color;
589 #define PIXMAN_MAX_INDEXED 256 /* XXX depth must be <= 8 */
591 #if PIXMAN_MAX_INDEXED <= 256
592 typedef uint8_t pixman_index_type;
595 struct pixman_indexed
598 uint32_t rgba[PIXMAN_MAX_INDEXED];
599 pixman_index_type ent[32768];
603 * While the protocol is generous in format support, the
604 * sample implementation allows only packed RGB and GBR
605 * representations for data to simplify software rendering,
607 #define PIXMAN_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \
614 #define PIXMAN_FORMAT_BPP(f) (((f) >> 24) )
615 #define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0xff)
616 #define PIXMAN_FORMAT_A(f) (((f) >> 12) & 0x0f)
617 #define PIXMAN_FORMAT_R(f) (((f) >> 8) & 0x0f)
618 #define PIXMAN_FORMAT_G(f) (((f) >> 4) & 0x0f)
619 #define PIXMAN_FORMAT_B(f) (((f) ) & 0x0f)
620 #define PIXMAN_FORMAT_RGB(f) (((f) ) & 0xfff)
621 #define PIXMAN_FORMAT_VIS(f) (((f) ) & 0xffff)
622 #define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \
623 PIXMAN_FORMAT_R(f) + \
624 PIXMAN_FORMAT_G(f) + \
627 #define PIXMAN_TYPE_OTHER 0
628 #define PIXMAN_TYPE_A 1
629 #define PIXMAN_TYPE_ARGB 2
630 #define PIXMAN_TYPE_ABGR 3
631 #define PIXMAN_TYPE_COLOR 4
632 #define PIXMAN_TYPE_GRAY 5
633 #define PIXMAN_TYPE_YUY2 6
634 #define PIXMAN_TYPE_YV12 7
635 #define PIXMAN_TYPE_BGRA 8
637 #define PIXMAN_FORMAT_COLOR(f) \
638 (PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB || \
639 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR || \
640 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA)
644 PIXMAN_a8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8),
645 PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8),
646 PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8),
647 PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8),
648 PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8),
649 PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8),
650 PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10),
651 PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10),
652 PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10),
653 PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10),
656 PIXMAN_r8g8b8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8),
657 PIXMAN_b8g8r8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8),
660 PIXMAN_r5g6b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5),
661 PIXMAN_b5g6r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5),
663 PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5),
664 PIXMAN_x1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5),
665 PIXMAN_a1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5),
666 PIXMAN_x1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5),
667 PIXMAN_a4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4),
668 PIXMAN_x4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4),
669 PIXMAN_a4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4),
670 PIXMAN_x4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4),
673 PIXMAN_a8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0),
674 PIXMAN_r3g3b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2),
675 PIXMAN_b2g3r3 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2),
676 PIXMAN_a2r2g2b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2),
677 PIXMAN_a2b2g2r2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2),
679 PIXMAN_c8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
680 PIXMAN_g8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
682 PIXMAN_x4a4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0),
684 PIXMAN_x4c4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
685 PIXMAN_x4g4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
688 PIXMAN_a4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0),
689 PIXMAN_r1g2b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1),
690 PIXMAN_b1g2r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1),
691 PIXMAN_a1r1g1b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1),
692 PIXMAN_a1b1g1r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1),
694 PIXMAN_c4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0),
695 PIXMAN_g4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0),
698 PIXMAN_a1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0),
700 PIXMAN_g1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0),
703 PIXMAN_yuy2 = PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0),
704 PIXMAN_yv12 = PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0)
705 } pixman_format_code_t;
707 /* Querying supported format values. */
708 pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format);
709 pixman_bool_t pixman_format_supported_source (pixman_format_code_t format);
712 pixman_image_t *pixman_image_create_solid_fill (pixman_color_t *color);
713 pixman_image_t *pixman_image_create_linear_gradient (pixman_point_fixed_t *p1,
714 pixman_point_fixed_t *p2,
715 const pixman_gradient_stop_t *stops,
717 pixman_image_t *pixman_image_create_radial_gradient (pixman_point_fixed_t *inner,
718 pixman_point_fixed_t *outer,
719 pixman_fixed_t inner_radius,
720 pixman_fixed_t outer_radius,
721 const pixman_gradient_stop_t *stops,
723 pixman_image_t *pixman_image_create_conical_gradient (pixman_point_fixed_t *center,
724 pixman_fixed_t angle,
725 const pixman_gradient_stop_t *stops,
727 pixman_image_t *pixman_image_create_bits (pixman_format_code_t format,
731 int rowstride_bytes);
734 pixman_image_t *pixman_image_ref (pixman_image_t *image);
735 pixman_bool_t pixman_image_unref (pixman_image_t *image);
737 void pixman_image_set_destroy_function (pixman_image_t *image,
738 pixman_image_destroy_func_t function,
740 void * pixman_image_get_destroy_data (pixman_image_t *image);
743 pixman_bool_t pixman_image_set_clip_region (pixman_image_t *image,
744 pixman_region16_t *region);
745 pixman_bool_t pixman_image_set_clip_region32 (pixman_image_t *image,
746 pixman_region32_t *region);
747 void pixman_image_set_has_client_clip (pixman_image_t *image,
748 pixman_bool_t clien_clip);
749 pixman_bool_t pixman_image_set_transform (pixman_image_t *image,
750 const pixman_transform_t *transform);
751 void pixman_image_set_repeat (pixman_image_t *image,
752 pixman_repeat_t repeat);
753 pixman_bool_t pixman_image_set_filter (pixman_image_t *image,
754 pixman_filter_t filter,
755 const pixman_fixed_t *filter_params,
756 int n_filter_params);
757 void pixman_image_set_source_clipping (pixman_image_t *image,
758 pixman_bool_t source_clipping);
759 void pixman_image_set_alpha_map (pixman_image_t *image,
760 pixman_image_t *alpha_map,
763 void pixman_image_set_component_alpha (pixman_image_t *image,
764 pixman_bool_t component_alpha);
765 void pixman_image_set_accessors (pixman_image_t *image,
766 pixman_read_memory_func_t read_func,
767 pixman_write_memory_func_t write_func);
768 void pixman_image_set_indexed (pixman_image_t *image,
769 const pixman_indexed_t *indexed);
770 uint32_t *pixman_image_get_data (pixman_image_t *image);
771 int pixman_image_get_width (pixman_image_t *image);
772 int pixman_image_get_height (pixman_image_t *image);
773 int pixman_image_get_stride (pixman_image_t *image); /* in bytes */
774 int pixman_image_get_depth (pixman_image_t *image);
775 pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op,
776 pixman_image_t *image,
777 pixman_color_t *color,
779 const pixman_rectangle16_t *rects);
780 pixman_bool_t pixman_image_fill_boxes (pixman_op_t op,
781 pixman_image_t *dest,
782 pixman_color_t *color,
784 const pixman_box32_t *boxes);
787 pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region,
788 pixman_image_t *src_image,
789 pixman_image_t *mask_image,
790 pixman_image_t *dst_image,
799 void pixman_image_composite (pixman_op_t op,
801 pixman_image_t *mask,
802 pixman_image_t *dest,
811 void pixman_image_composite32 (pixman_op_t op,
813 pixman_image_t *mask,
814 pixman_image_t *dest,
824 /* Old X servers rely on out-of-bounds accesses when they are asked
825 * to composite with a window as the source. They create a pixman image
826 * pointing to some bogus position in memory, but then they set a clip
827 * region to the position where the actual bits are.
829 * Due to a bug in old versions of pixman, where it would not clip
830 * against the image bounds when a clip region was set, this would
831 * actually work. So by default we allow certain out-of-bound access
832 * to happen unless explicitly disabled.
834 * Fixed X servers should call this function to disable the workaround.
836 void pixman_disable_out_of_bounds_workaround (void);
841 typedef struct pixman_edge pixman_edge_t;
842 typedef struct pixman_trapezoid pixman_trapezoid_t;
843 typedef struct pixman_trap pixman_trap_t;
844 typedef struct pixman_span_fix pixman_span_fix_t;
847 * An edge structure. This represents a single polygon edge
848 * and can be quickly stepped across small or large gaps in the
855 pixman_fixed_t stepx;
856 pixman_fixed_t signdx;
860 pixman_fixed_t stepx_small;
861 pixman_fixed_t stepx_big;
862 pixman_fixed_t dx_small;
863 pixman_fixed_t dx_big;
866 struct pixman_trapezoid
868 pixman_fixed_t top, bottom;
869 pixman_line_fixed_t left, right;
873 /* whether 't' is a well defined not obviously empty trapezoid */
874 #define pixman_trapezoid_valid(t) \
875 ((t)->left.p1.y != (t)->left.p2.y && \
876 (t)->right.p1.y != (t)->right.p2.y && \
877 (int) ((t)->bottom - (t)->top) > 0)
879 struct pixman_span_fix
881 pixman_fixed_t l, r, y;
886 pixman_span_fix_t top, bot;
889 pixman_fixed_t pixman_sample_ceil_y (pixman_fixed_t y,
891 pixman_fixed_t pixman_sample_floor_y (pixman_fixed_t y,
893 void pixman_edge_step (pixman_edge_t *e,
895 void pixman_edge_init (pixman_edge_t *e,
897 pixman_fixed_t y_start,
898 pixman_fixed_t x_top,
899 pixman_fixed_t y_top,
900 pixman_fixed_t x_bot,
901 pixman_fixed_t y_bot);
902 void pixman_line_fixed_edge_init (pixman_edge_t *e,
905 const pixman_line_fixed_t *line,
908 void pixman_rasterize_edges (pixman_image_t *image,
913 void pixman_add_traps (pixman_image_t *image,
917 pixman_trap_t *traps);
918 void pixman_add_trapezoids (pixman_image_t *image,
922 const pixman_trapezoid_t *traps);
923 void pixman_rasterize_trapezoid (pixman_image_t *image,
924 const pixman_trapezoid_t *trap,
930 #endif /* PIXMAN_H__ */