pixman.h revision 3ebd81ec
1/*********************************************************** 2 3Copyright 1987, 1998 The Open Group 4 5Permission to use, copy, modify, distribute, and sell this software and its 6documentation for any purpose is hereby granted without fee, provided that 7the above copyright notice appear in all copies and that both that 8copyright notice and this permission notice appear in supporting 9documentation. 10 11The above copyright notice and this permission notice shall be included in 12all copies or substantial portions of the Software. 13 14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 20 21Except as contained in this notice, the name of The Open Group shall not be 22used in advertising or otherwise to promote the sale, use or other dealings 23in this Software without prior written authorization from The Open Group. 24 25Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. 26 27 All Rights Reserved 28 29Permission to use, copy, modify, and distribute this software and its 30documentation for any purpose and without fee is hereby granted, 31provided that the above copyright notice appear in all copies and that 32both that copyright notice and this permission notice appear in 33supporting documentation, and that the name of Digital not be 34used in advertising or publicity pertaining to distribution of the 35software without specific, written prior permission. 36 37DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 38ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 39DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 40ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 41WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 42ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 43SOFTWARE. 44 45******************************************************************/ 46/* 47 * Copyright © 1998, 2004 Keith Packard 48 * Copyright 2007 Red Hat, Inc. 49 * 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. 59 * 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. 67 */ 68 69#ifndef PIXMAN_H__ 70#define PIXMAN_H__ 71 72#include <pixman-version.h> 73 74#ifdef __cplusplus 75#define PIXMAN_BEGIN_DECLS extern "C" { 76#define PIXMAN_END_DECLS } 77#else 78#define PIXMAN_BEGIN_DECLS 79#define PIXMAN_END_DECLS 80#endif 81 82PIXMAN_BEGIN_DECLS 83 84/* 85 * Standard integers 86 */ 87 88#if !defined (PIXMAN_DONT_DEFINE_STDINT) 89 90#if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || defined (_sgi) || defined (__sun) || defined (sun) || defined (__digital__) || defined (__HP_cc) 91# include <inttypes.h> 92/* VS 2010 (_MSC_VER 1600) has stdint.h */ 93#elif defined (_MSC_VER) && _MSC_VER < 1600 94typedef __int8 int8_t; 95typedef unsigned __int8 uint8_t; 96typedef __int16 int16_t; 97typedef unsigned __int16 uint16_t; 98typedef __int32 int32_t; 99typedef unsigned __int32 uint32_t; 100typedef __int64 int64_t; 101typedef unsigned __int64 uint64_t; 102#elif defined (_AIX) 103# include <sys/inttypes.h> 104#else 105# include <stdint.h> 106#endif 107 108#endif 109 110/* 111 * Boolean 112 */ 113typedef int pixman_bool_t; 114 115/* 116 * Fixpoint numbers 117 */ 118typedef int64_t pixman_fixed_32_32_t; 119typedef pixman_fixed_32_32_t pixman_fixed_48_16_t; 120typedef uint32_t pixman_fixed_1_31_t; 121typedef uint32_t pixman_fixed_1_16_t; 122typedef int32_t pixman_fixed_16_16_t; 123typedef pixman_fixed_16_16_t pixman_fixed_t; 124 125#define pixman_fixed_e ((pixman_fixed_t) 1) 126#define pixman_fixed_1 (pixman_int_to_fixed(1)) 127#define pixman_fixed_1_minus_e (pixman_fixed_1 - pixman_fixed_e) 128#define pixman_fixed_minus_1 (pixman_int_to_fixed(-1)) 129#define pixman_fixed_to_int(f) ((int) ((f) >> 16)) 130#define pixman_int_to_fixed(i) ((pixman_fixed_t) ((i) * 65536)) 131#define pixman_fixed_to_double(f) (double) ((f) / (double) pixman_fixed_1) 132#define pixman_double_to_fixed(d) ((pixman_fixed_t) ((d) * 65536.0)) 133#define pixman_fixed_frac(f) ((f) & pixman_fixed_1_minus_e) 134#define pixman_fixed_floor(f) ((f) & ~pixman_fixed_1_minus_e) 135#define pixman_fixed_ceil(f) pixman_fixed_floor ((f) + pixman_fixed_1_minus_e) 136#define pixman_fixed_fraction(f) ((f) & pixman_fixed_1_minus_e) 137#define pixman_fixed_mod_2(f) ((f) & (pixman_fixed1 | pixman_fixed_1_minus_e)) 138#define pixman_max_fixed_48_16 ((pixman_fixed_48_16_t) 0x7fffffff) 139#define pixman_min_fixed_48_16 (-((pixman_fixed_48_16_t) 1 << 31)) 140 141/* 142 * Misc structs 143 */ 144typedef struct pixman_color pixman_color_t; 145typedef struct pixman_point_fixed pixman_point_fixed_t; 146typedef struct pixman_line_fixed pixman_line_fixed_t; 147typedef struct pixman_vector pixman_vector_t; 148typedef struct pixman_transform pixman_transform_t; 149 150struct pixman_color 151{ 152 uint16_t red; 153 uint16_t green; 154 uint16_t blue; 155 uint16_t alpha; 156}; 157 158struct pixman_point_fixed 159{ 160 pixman_fixed_t x; 161 pixman_fixed_t y; 162}; 163 164struct pixman_line_fixed 165{ 166 pixman_point_fixed_t p1, p2; 167}; 168 169/* 170 * Fixed point matrices 171 */ 172 173struct pixman_vector 174{ 175 pixman_fixed_t vector[3]; 176}; 177 178struct pixman_transform 179{ 180 pixman_fixed_t matrix[3][3]; 181}; 182 183/* forward declaration (sorry) */ 184struct pixman_box16; 185typedef union pixman_image pixman_image_t; 186 187void pixman_transform_init_identity (struct pixman_transform *matrix); 188pixman_bool_t pixman_transform_point_3d (const struct pixman_transform *transform, 189 struct pixman_vector *vector); 190pixman_bool_t pixman_transform_point (const struct pixman_transform *transform, 191 struct pixman_vector *vector); 192pixman_bool_t pixman_transform_multiply (struct pixman_transform *dst, 193 const struct pixman_transform *l, 194 const struct pixman_transform *r); 195void pixman_transform_init_scale (struct pixman_transform *t, 196 pixman_fixed_t sx, 197 pixman_fixed_t sy); 198pixman_bool_t pixman_transform_scale (struct pixman_transform *forward, 199 struct pixman_transform *reverse, 200 pixman_fixed_t sx, 201 pixman_fixed_t sy); 202void pixman_transform_init_rotate (struct pixman_transform *t, 203 pixman_fixed_t cos, 204 pixman_fixed_t sin); 205pixman_bool_t pixman_transform_rotate (struct pixman_transform *forward, 206 struct pixman_transform *reverse, 207 pixman_fixed_t c, 208 pixman_fixed_t s); 209void pixman_transform_init_translate (struct pixman_transform *t, 210 pixman_fixed_t tx, 211 pixman_fixed_t ty); 212pixman_bool_t pixman_transform_translate (struct pixman_transform *forward, 213 struct pixman_transform *reverse, 214 pixman_fixed_t tx, 215 pixman_fixed_t ty); 216pixman_bool_t pixman_transform_bounds (const struct pixman_transform *matrix, 217 struct pixman_box16 *b); 218pixman_bool_t pixman_transform_invert (struct pixman_transform *dst, 219 const struct pixman_transform *src); 220pixman_bool_t pixman_transform_is_identity (const struct pixman_transform *t); 221pixman_bool_t pixman_transform_is_scale (const struct pixman_transform *t); 222pixman_bool_t pixman_transform_is_int_translate (const struct pixman_transform *t); 223pixman_bool_t pixman_transform_is_inverse (const struct pixman_transform *a, 224 const struct pixman_transform *b); 225 226/* 227 * Floating point matrices 228 */ 229typedef struct pixman_f_transform pixman_f_transform_t; 230typedef struct pixman_f_vector pixman_f_vector_t; 231 232struct pixman_f_vector 233{ 234 double v[3]; 235}; 236 237struct pixman_f_transform 238{ 239 double m[3][3]; 240}; 241 242pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t, 243 const struct pixman_f_transform *ft); 244void pixman_f_transform_from_pixman_transform (struct pixman_f_transform *ft, 245 const struct pixman_transform *t); 246pixman_bool_t pixman_f_transform_invert (struct pixman_f_transform *dst, 247 const struct pixman_f_transform *src); 248pixman_bool_t pixman_f_transform_point (const struct pixman_f_transform *t, 249 struct pixman_f_vector *v); 250void pixman_f_transform_point_3d (const struct pixman_f_transform *t, 251 struct pixman_f_vector *v); 252void pixman_f_transform_multiply (struct pixman_f_transform *dst, 253 const struct pixman_f_transform *l, 254 const struct pixman_f_transform *r); 255void pixman_f_transform_init_scale (struct pixman_f_transform *t, 256 double sx, 257 double sy); 258pixman_bool_t pixman_f_transform_scale (struct pixman_f_transform *forward, 259 struct pixman_f_transform *reverse, 260 double sx, 261 double sy); 262void pixman_f_transform_init_rotate (struct pixman_f_transform *t, 263 double cos, 264 double sin); 265pixman_bool_t pixman_f_transform_rotate (struct pixman_f_transform *forward, 266 struct pixman_f_transform *reverse, 267 double c, 268 double s); 269void pixman_f_transform_init_translate (struct pixman_f_transform *t, 270 double tx, 271 double ty); 272pixman_bool_t pixman_f_transform_translate (struct pixman_f_transform *forward, 273 struct pixman_f_transform *reverse, 274 double tx, 275 double ty); 276pixman_bool_t pixman_f_transform_bounds (const struct pixman_f_transform *t, 277 struct pixman_box16 *b); 278void pixman_f_transform_init_identity (struct pixman_f_transform *t); 279 280typedef enum 281{ 282 PIXMAN_REPEAT_NONE, 283 PIXMAN_REPEAT_NORMAL, 284 PIXMAN_REPEAT_PAD, 285 PIXMAN_REPEAT_REFLECT 286} pixman_repeat_t; 287 288typedef enum 289{ 290 PIXMAN_FILTER_FAST, 291 PIXMAN_FILTER_GOOD, 292 PIXMAN_FILTER_BEST, 293 PIXMAN_FILTER_NEAREST, 294 PIXMAN_FILTER_BILINEAR, 295 PIXMAN_FILTER_CONVOLUTION, 296 297 /* The SEPARABLE_CONVOLUTION filter takes the following parameters: 298 * 299 * width: integer given as 16.16 fixpoint number 300 * height: integer given as 16.16 fixpoint number 301 * x_phase_bits: integer given as 16.16 fixpoint 302 * y_phase_bits: integer given as 16.16 fixpoint 303 * xtables: (1 << x_phase_bits) tables of size width 304 * ytables: (1 << y_phase_bits) tables of size height 305 * 306 * When sampling at (x, y), the location is first rounded to one of 307 * n_x_phases * n_y_phases subpixel positions. These subpixel positions 308 * determine an xtable and a ytable to use. 309 * 310 * Conceptually a width x height matrix is then formed in which each entry 311 * is the product of the corresponding entries in the x and y tables. 312 * This matrix is then aligned with the image pixels such that its center 313 * is as close as possible to the subpixel location chosen earlier. Then 314 * the image is convolved with the matrix and the resulting pixel returned. 315 */ 316 PIXMAN_FILTER_SEPARABLE_CONVOLUTION 317} pixman_filter_t; 318 319typedef enum 320{ 321 PIXMAN_OP_CLEAR = 0x00, 322 PIXMAN_OP_SRC = 0x01, 323 PIXMAN_OP_DST = 0x02, 324 PIXMAN_OP_OVER = 0x03, 325 PIXMAN_OP_OVER_REVERSE = 0x04, 326 PIXMAN_OP_IN = 0x05, 327 PIXMAN_OP_IN_REVERSE = 0x06, 328 PIXMAN_OP_OUT = 0x07, 329 PIXMAN_OP_OUT_REVERSE = 0x08, 330 PIXMAN_OP_ATOP = 0x09, 331 PIXMAN_OP_ATOP_REVERSE = 0x0a, 332 PIXMAN_OP_XOR = 0x0b, 333 PIXMAN_OP_ADD = 0x0c, 334 PIXMAN_OP_SATURATE = 0x0d, 335 336 PIXMAN_OP_DISJOINT_CLEAR = 0x10, 337 PIXMAN_OP_DISJOINT_SRC = 0x11, 338 PIXMAN_OP_DISJOINT_DST = 0x12, 339 PIXMAN_OP_DISJOINT_OVER = 0x13, 340 PIXMAN_OP_DISJOINT_OVER_REVERSE = 0x14, 341 PIXMAN_OP_DISJOINT_IN = 0x15, 342 PIXMAN_OP_DISJOINT_IN_REVERSE = 0x16, 343 PIXMAN_OP_DISJOINT_OUT = 0x17, 344 PIXMAN_OP_DISJOINT_OUT_REVERSE = 0x18, 345 PIXMAN_OP_DISJOINT_ATOP = 0x19, 346 PIXMAN_OP_DISJOINT_ATOP_REVERSE = 0x1a, 347 PIXMAN_OP_DISJOINT_XOR = 0x1b, 348 349 PIXMAN_OP_CONJOINT_CLEAR = 0x20, 350 PIXMAN_OP_CONJOINT_SRC = 0x21, 351 PIXMAN_OP_CONJOINT_DST = 0x22, 352 PIXMAN_OP_CONJOINT_OVER = 0x23, 353 PIXMAN_OP_CONJOINT_OVER_REVERSE = 0x24, 354 PIXMAN_OP_CONJOINT_IN = 0x25, 355 PIXMAN_OP_CONJOINT_IN_REVERSE = 0x26, 356 PIXMAN_OP_CONJOINT_OUT = 0x27, 357 PIXMAN_OP_CONJOINT_OUT_REVERSE = 0x28, 358 PIXMAN_OP_CONJOINT_ATOP = 0x29, 359 PIXMAN_OP_CONJOINT_ATOP_REVERSE = 0x2a, 360 PIXMAN_OP_CONJOINT_XOR = 0x2b, 361 362 PIXMAN_OP_MULTIPLY = 0x30, 363 PIXMAN_OP_SCREEN = 0x31, 364 PIXMAN_OP_OVERLAY = 0x32, 365 PIXMAN_OP_DARKEN = 0x33, 366 PIXMAN_OP_LIGHTEN = 0x34, 367 PIXMAN_OP_COLOR_DODGE = 0x35, 368 PIXMAN_OP_COLOR_BURN = 0x36, 369 PIXMAN_OP_HARD_LIGHT = 0x37, 370 PIXMAN_OP_SOFT_LIGHT = 0x38, 371 PIXMAN_OP_DIFFERENCE = 0x39, 372 PIXMAN_OP_EXCLUSION = 0x3a, 373 PIXMAN_OP_HSL_HUE = 0x3b, 374 PIXMAN_OP_HSL_SATURATION = 0x3c, 375 PIXMAN_OP_HSL_COLOR = 0x3d, 376 PIXMAN_OP_HSL_LUMINOSITY = 0x3e 377 378#ifdef PIXMAN_USE_INTERNAL_API 379 , 380 PIXMAN_N_OPERATORS, 381 PIXMAN_OP_NONE = PIXMAN_N_OPERATORS, 382 PIXMAN_OP_any = PIXMAN_N_OPERATORS + 1 383#endif 384} pixman_op_t; 385 386/* 387 * Regions 388 */ 389typedef struct pixman_region16_data pixman_region16_data_t; 390typedef struct pixman_box16 pixman_box16_t; 391typedef struct pixman_rectangle16 pixman_rectangle16_t; 392typedef struct pixman_region16 pixman_region16_t; 393 394struct pixman_region16_data { 395 long size; 396 long numRects; 397/* pixman_box16_t rects[size]; in memory but not explicitly declared */ 398}; 399 400struct pixman_rectangle16 401{ 402 int16_t x, y; 403 uint16_t width, height; 404}; 405 406struct pixman_box16 407{ 408 int16_t x1, y1, x2, y2; 409}; 410 411struct pixman_region16 412{ 413 pixman_box16_t extents; 414 pixman_region16_data_t *data; 415}; 416 417typedef enum 418{ 419 PIXMAN_REGION_OUT, 420 PIXMAN_REGION_IN, 421 PIXMAN_REGION_PART 422} pixman_region_overlap_t; 423 424/* This function exists only to make it possible to preserve 425 * the X ABI - it should go away at first opportunity. 426 */ 427void pixman_region_set_static_pointers (pixman_box16_t *empty_box, 428 pixman_region16_data_t *empty_data, 429 pixman_region16_data_t *broken_data); 430 431/* creation/destruction */ 432void pixman_region_init (pixman_region16_t *region); 433void pixman_region_init_rect (pixman_region16_t *region, 434 int x, 435 int y, 436 unsigned int width, 437 unsigned int height); 438pixman_bool_t pixman_region_init_rects (pixman_region16_t *region, 439 const pixman_box16_t *boxes, 440 int count); 441void pixman_region_init_with_extents (pixman_region16_t *region, 442 pixman_box16_t *extents); 443void pixman_region_init_from_image (pixman_region16_t *region, 444 pixman_image_t *image); 445void pixman_region_fini (pixman_region16_t *region); 446 447 448/* manipulation */ 449void pixman_region_translate (pixman_region16_t *region, 450 int x, 451 int y); 452pixman_bool_t pixman_region_copy (pixman_region16_t *dest, 453 pixman_region16_t *source); 454pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg, 455 pixman_region16_t *reg1, 456 pixman_region16_t *reg2); 457pixman_bool_t pixman_region_union (pixman_region16_t *new_reg, 458 pixman_region16_t *reg1, 459 pixman_region16_t *reg2); 460pixman_bool_t pixman_region_union_rect (pixman_region16_t *dest, 461 pixman_region16_t *source, 462 int x, 463 int y, 464 unsigned int width, 465 unsigned int height); 466pixman_bool_t pixman_region_intersect_rect (pixman_region16_t *dest, 467 pixman_region16_t *source, 468 int x, 469 int y, 470 unsigned int width, 471 unsigned int height); 472pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d, 473 pixman_region16_t *reg_m, 474 pixman_region16_t *reg_s); 475pixman_bool_t pixman_region_inverse (pixman_region16_t *new_reg, 476 pixman_region16_t *reg1, 477 pixman_box16_t *inv_rect); 478pixman_bool_t pixman_region_contains_point (pixman_region16_t *region, 479 int x, 480 int y, 481 pixman_box16_t *box); 482pixman_region_overlap_t pixman_region_contains_rectangle (pixman_region16_t *region, 483 pixman_box16_t *prect); 484pixman_bool_t pixman_region_not_empty (pixman_region16_t *region); 485pixman_box16_t * pixman_region_extents (pixman_region16_t *region); 486int pixman_region_n_rects (pixman_region16_t *region); 487pixman_box16_t * pixman_region_rectangles (pixman_region16_t *region, 488 int *n_rects); 489pixman_bool_t pixman_region_equal (pixman_region16_t *region1, 490 pixman_region16_t *region2); 491pixman_bool_t pixman_region_selfcheck (pixman_region16_t *region); 492void pixman_region_reset (pixman_region16_t *region, 493 pixman_box16_t *box); 494void pixman_region_clear (pixman_region16_t *region); 495/* 496 * 32 bit regions 497 */ 498typedef struct pixman_region32_data pixman_region32_data_t; 499typedef struct pixman_box32 pixman_box32_t; 500typedef struct pixman_rectangle32 pixman_rectangle32_t; 501typedef struct pixman_region32 pixman_region32_t; 502 503struct pixman_region32_data { 504 long size; 505 long numRects; 506/* pixman_box32_t rects[size]; in memory but not explicitly declared */ 507}; 508 509struct pixman_rectangle32 510{ 511 int32_t x, y; 512 uint32_t width, height; 513}; 514 515struct pixman_box32 516{ 517 int32_t x1, y1, x2, y2; 518}; 519 520struct pixman_region32 521{ 522 pixman_box32_t extents; 523 pixman_region32_data_t *data; 524}; 525 526/* creation/destruction */ 527void pixman_region32_init (pixman_region32_t *region); 528void pixman_region32_init_rect (pixman_region32_t *region, 529 int x, 530 int y, 531 unsigned int width, 532 unsigned int height); 533pixman_bool_t pixman_region32_init_rects (pixman_region32_t *region, 534 const pixman_box32_t *boxes, 535 int count); 536void pixman_region32_init_with_extents (pixman_region32_t *region, 537 pixman_box32_t *extents); 538void pixman_region32_init_from_image (pixman_region32_t *region, 539 pixman_image_t *image); 540void pixman_region32_fini (pixman_region32_t *region); 541 542 543/* manipulation */ 544void pixman_region32_translate (pixman_region32_t *region, 545 int x, 546 int y); 547pixman_bool_t pixman_region32_copy (pixman_region32_t *dest, 548 pixman_region32_t *source); 549pixman_bool_t pixman_region32_intersect (pixman_region32_t *new_reg, 550 pixman_region32_t *reg1, 551 pixman_region32_t *reg2); 552pixman_bool_t pixman_region32_union (pixman_region32_t *new_reg, 553 pixman_region32_t *reg1, 554 pixman_region32_t *reg2); 555pixman_bool_t pixman_region32_intersect_rect (pixman_region32_t *dest, 556 pixman_region32_t *source, 557 int x, 558 int y, 559 unsigned int width, 560 unsigned int height); 561pixman_bool_t pixman_region32_union_rect (pixman_region32_t *dest, 562 pixman_region32_t *source, 563 int x, 564 int y, 565 unsigned int width, 566 unsigned int height); 567pixman_bool_t pixman_region32_subtract (pixman_region32_t *reg_d, 568 pixman_region32_t *reg_m, 569 pixman_region32_t *reg_s); 570pixman_bool_t pixman_region32_inverse (pixman_region32_t *new_reg, 571 pixman_region32_t *reg1, 572 pixman_box32_t *inv_rect); 573pixman_bool_t pixman_region32_contains_point (pixman_region32_t *region, 574 int x, 575 int y, 576 pixman_box32_t *box); 577pixman_region_overlap_t pixman_region32_contains_rectangle (pixman_region32_t *region, 578 pixman_box32_t *prect); 579pixman_bool_t pixman_region32_not_empty (pixman_region32_t *region); 580pixman_box32_t * pixman_region32_extents (pixman_region32_t *region); 581int pixman_region32_n_rects (pixman_region32_t *region); 582pixman_box32_t * pixman_region32_rectangles (pixman_region32_t *region, 583 int *n_rects); 584pixman_bool_t pixman_region32_equal (pixman_region32_t *region1, 585 pixman_region32_t *region2); 586pixman_bool_t pixman_region32_selfcheck (pixman_region32_t *region); 587void pixman_region32_reset (pixman_region32_t *region, 588 pixman_box32_t *box); 589void pixman_region32_clear (pixman_region32_t *region); 590 591 592/* Copy / Fill / Misc */ 593pixman_bool_t pixman_blt (uint32_t *src_bits, 594 uint32_t *dst_bits, 595 int src_stride, 596 int dst_stride, 597 int src_bpp, 598 int dst_bpp, 599 int src_x, 600 int src_y, 601 int dest_x, 602 int dest_y, 603 int width, 604 int height); 605pixman_bool_t pixman_fill (uint32_t *bits, 606 int stride, 607 int bpp, 608 int x, 609 int y, 610 int width, 611 int height, 612 uint32_t _xor); 613 614int pixman_version (void); 615const char* pixman_version_string (void); 616 617/* 618 * Images 619 */ 620typedef struct pixman_indexed pixman_indexed_t; 621typedef struct pixman_gradient_stop pixman_gradient_stop_t; 622 623typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size); 624typedef void (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size); 625 626typedef void (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data); 627 628struct pixman_gradient_stop { 629 pixman_fixed_t x; 630 pixman_color_t color; 631}; 632 633#define PIXMAN_MAX_INDEXED 256 /* XXX depth must be <= 8 */ 634 635#if PIXMAN_MAX_INDEXED <= 256 636typedef uint8_t pixman_index_type; 637#endif 638 639struct pixman_indexed 640{ 641 pixman_bool_t color; 642 uint32_t rgba[PIXMAN_MAX_INDEXED]; 643 pixman_index_type ent[32768]; 644}; 645 646/* 647 * While the protocol is generous in format support, the 648 * sample implementation allows only packed RGB and GBR 649 * representations for data to simplify software rendering, 650 */ 651#define PIXMAN_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \ 652 ((type) << 16) | \ 653 ((a) << 12) | \ 654 ((r) << 8) | \ 655 ((g) << 4) | \ 656 ((b))) 657 658#define PIXMAN_FORMAT_BPP(f) (((f) >> 24) ) 659#define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0xff) 660#define PIXMAN_FORMAT_A(f) (((f) >> 12) & 0x0f) 661#define PIXMAN_FORMAT_R(f) (((f) >> 8) & 0x0f) 662#define PIXMAN_FORMAT_G(f) (((f) >> 4) & 0x0f) 663#define PIXMAN_FORMAT_B(f) (((f) ) & 0x0f) 664#define PIXMAN_FORMAT_RGB(f) (((f) ) & 0xfff) 665#define PIXMAN_FORMAT_VIS(f) (((f) ) & 0xffff) 666#define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \ 667 PIXMAN_FORMAT_R(f) + \ 668 PIXMAN_FORMAT_G(f) + \ 669 PIXMAN_FORMAT_B(f)) 670 671#define PIXMAN_TYPE_OTHER 0 672#define PIXMAN_TYPE_A 1 673#define PIXMAN_TYPE_ARGB 2 674#define PIXMAN_TYPE_ABGR 3 675#define PIXMAN_TYPE_COLOR 4 676#define PIXMAN_TYPE_GRAY 5 677#define PIXMAN_TYPE_YUY2 6 678#define PIXMAN_TYPE_YV12 7 679#define PIXMAN_TYPE_BGRA 8 680#define PIXMAN_TYPE_RGBA 9 681#define PIXMAN_TYPE_ARGB_SRGB 10 682 683#define PIXMAN_FORMAT_COLOR(f) \ 684 (PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB || \ 685 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR || \ 686 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA || \ 687 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_RGBA) 688 689/* 32bpp formats */ 690typedef enum { 691 PIXMAN_a8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8), 692 PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8), 693 PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8), 694 PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8), 695 PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8), 696 PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8), 697 PIXMAN_r8g8b8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_RGBA,8,8,8,8), 698 PIXMAN_r8g8b8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_RGBA,0,8,8,8), 699 PIXMAN_x14r6g6b6 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,6,6,6), 700 PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10), 701 PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10), 702 PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10), 703 PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10), 704 705/* sRGB formats */ 706 PIXMAN_a8r8g8b8_sRGB = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB_SRGB,8,8,8,8), 707 708/* 24bpp formats */ 709 PIXMAN_r8g8b8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8), 710 PIXMAN_b8g8r8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8), 711 712/* 16bpp formats */ 713 PIXMAN_r5g6b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5), 714 PIXMAN_b5g6r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5), 715 716 PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5), 717 PIXMAN_x1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5), 718 PIXMAN_a1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5), 719 PIXMAN_x1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5), 720 PIXMAN_a4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4), 721 PIXMAN_x4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4), 722 PIXMAN_a4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4), 723 PIXMAN_x4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4), 724 725/* 8bpp formats */ 726 PIXMAN_a8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0), 727 PIXMAN_r3g3b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2), 728 PIXMAN_b2g3r3 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2), 729 PIXMAN_a2r2g2b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2), 730 PIXMAN_a2b2g2r2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2), 731 732 PIXMAN_c8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0), 733 PIXMAN_g8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0), 734 735 PIXMAN_x4a4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0), 736 737 PIXMAN_x4c4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0), 738 PIXMAN_x4g4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0), 739 740/* 4bpp formats */ 741 PIXMAN_a4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0), 742 PIXMAN_r1g2b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1), 743 PIXMAN_b1g2r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1), 744 PIXMAN_a1r1g1b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1), 745 PIXMAN_a1b1g1r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1), 746 747 PIXMAN_c4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0), 748 PIXMAN_g4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0), 749 750/* 1bpp formats */ 751 PIXMAN_a1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0), 752 753 PIXMAN_g1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0), 754 755/* YUV formats */ 756 PIXMAN_yuy2 = PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0), 757 PIXMAN_yv12 = PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0) 758} pixman_format_code_t; 759 760/* Querying supported format values. */ 761pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format); 762pixman_bool_t pixman_format_supported_source (pixman_format_code_t format); 763 764/* Constructors */ 765pixman_image_t *pixman_image_create_solid_fill (const pixman_color_t *color); 766pixman_image_t *pixman_image_create_linear_gradient (const pixman_point_fixed_t *p1, 767 const pixman_point_fixed_t *p2, 768 const pixman_gradient_stop_t *stops, 769 int n_stops); 770pixman_image_t *pixman_image_create_radial_gradient (const pixman_point_fixed_t *inner, 771 const pixman_point_fixed_t *outer, 772 pixman_fixed_t inner_radius, 773 pixman_fixed_t outer_radius, 774 const pixman_gradient_stop_t *stops, 775 int n_stops); 776pixman_image_t *pixman_image_create_conical_gradient (const pixman_point_fixed_t *center, 777 pixman_fixed_t angle, 778 const pixman_gradient_stop_t *stops, 779 int n_stops); 780pixman_image_t *pixman_image_create_bits (pixman_format_code_t format, 781 int width, 782 int height, 783 uint32_t *bits, 784 int rowstride_bytes); 785pixman_image_t *pixman_image_create_bits_no_clear (pixman_format_code_t format, 786 int width, 787 int height, 788 uint32_t * bits, 789 int rowstride_bytes); 790 791/* Destructor */ 792pixman_image_t *pixman_image_ref (pixman_image_t *image); 793pixman_bool_t pixman_image_unref (pixman_image_t *image); 794 795void pixman_image_set_destroy_function (pixman_image_t *image, 796 pixman_image_destroy_func_t function, 797 void *data); 798void * pixman_image_get_destroy_data (pixman_image_t *image); 799 800/* Set properties */ 801pixman_bool_t pixman_image_set_clip_region (pixman_image_t *image, 802 pixman_region16_t *region); 803pixman_bool_t pixman_image_set_clip_region32 (pixman_image_t *image, 804 pixman_region32_t *region); 805void pixman_image_set_has_client_clip (pixman_image_t *image, 806 pixman_bool_t clien_clip); 807pixman_bool_t pixman_image_set_transform (pixman_image_t *image, 808 const pixman_transform_t *transform); 809void pixman_image_set_repeat (pixman_image_t *image, 810 pixman_repeat_t repeat); 811pixman_bool_t pixman_image_set_filter (pixman_image_t *image, 812 pixman_filter_t filter, 813 const pixman_fixed_t *filter_params, 814 int n_filter_params); 815void pixman_image_set_source_clipping (pixman_image_t *image, 816 pixman_bool_t source_clipping); 817void pixman_image_set_alpha_map (pixman_image_t *image, 818 pixman_image_t *alpha_map, 819 int16_t x, 820 int16_t y); 821void pixman_image_set_component_alpha (pixman_image_t *image, 822 pixman_bool_t component_alpha); 823pixman_bool_t pixman_image_get_component_alpha (pixman_image_t *image); 824void pixman_image_set_accessors (pixman_image_t *image, 825 pixman_read_memory_func_t read_func, 826 pixman_write_memory_func_t write_func); 827void pixman_image_set_indexed (pixman_image_t *image, 828 const pixman_indexed_t *indexed); 829uint32_t *pixman_image_get_data (pixman_image_t *image); 830int pixman_image_get_width (pixman_image_t *image); 831int pixman_image_get_height (pixman_image_t *image); 832int pixman_image_get_stride (pixman_image_t *image); /* in bytes */ 833int pixman_image_get_depth (pixman_image_t *image); 834pixman_format_code_t pixman_image_get_format (pixman_image_t *image); 835 836typedef enum 837{ 838 PIXMAN_KERNEL_IMPULSE, 839 PIXMAN_KERNEL_BOX, 840 PIXMAN_KERNEL_LINEAR, 841 PIXMAN_KERNEL_CUBIC, 842 PIXMAN_KERNEL_GAUSSIAN, 843 PIXMAN_KERNEL_LANCZOS2, 844 PIXMAN_KERNEL_LANCZOS3, 845 PIXMAN_KERNEL_LANCZOS3_STRETCHED /* Jim Blinn's 'nice' filter */ 846} pixman_kernel_t; 847 848/* Create the parameter list for a SEPARABLE_CONVOLUTION filter 849 * with the given kernels and scale parameters. 850 */ 851pixman_fixed_t * 852pixman_filter_create_separable_convolution (int *n_values, 853 pixman_fixed_t scale_x, 854 pixman_fixed_t scale_y, 855 pixman_kernel_t reconstruct_x, 856 pixman_kernel_t reconstruct_y, 857 pixman_kernel_t sample_x, 858 pixman_kernel_t sample_y, 859 int subsample_bits_x, 860 int subsample_bits_y); 861 862pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op, 863 pixman_image_t *image, 864 const pixman_color_t *color, 865 int n_rects, 866 const pixman_rectangle16_t *rects); 867pixman_bool_t pixman_image_fill_boxes (pixman_op_t op, 868 pixman_image_t *dest, 869 const pixman_color_t *color, 870 int n_boxes, 871 const pixman_box32_t *boxes); 872 873/* Composite */ 874pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region, 875 pixman_image_t *src_image, 876 pixman_image_t *mask_image, 877 pixman_image_t *dest_image, 878 int16_t src_x, 879 int16_t src_y, 880 int16_t mask_x, 881 int16_t mask_y, 882 int16_t dest_x, 883 int16_t dest_y, 884 uint16_t width, 885 uint16_t height); 886void pixman_image_composite (pixman_op_t op, 887 pixman_image_t *src, 888 pixman_image_t *mask, 889 pixman_image_t *dest, 890 int16_t src_x, 891 int16_t src_y, 892 int16_t mask_x, 893 int16_t mask_y, 894 int16_t dest_x, 895 int16_t dest_y, 896 uint16_t width, 897 uint16_t height); 898void pixman_image_composite32 (pixman_op_t op, 899 pixman_image_t *src, 900 pixman_image_t *mask, 901 pixman_image_t *dest, 902 int32_t src_x, 903 int32_t src_y, 904 int32_t mask_x, 905 int32_t mask_y, 906 int32_t dest_x, 907 int32_t dest_y, 908 int32_t width, 909 int32_t height); 910 911/* Executive Summary: This function is a no-op that only exists 912 * for historical reasons. 913 * 914 * There used to be a bug in the X server where it would rely on 915 * out-of-bounds accesses when it was asked to composite with a 916 * window as the source. It would create a pixman image pointing 917 * to some bogus position in memory, but then set a clip region 918 * to the position where the actual bits were. 919 * 920 * Due to a bug in old versions of pixman, where it would not clip 921 * against the image bounds when a clip region was set, this would 922 * actually work. So when the pixman bug was fixed, a workaround was 923 * added to allow certain out-of-bound accesses. This function disabled 924 * those workarounds. 925 * 926 * Since 0.21.2, pixman doesn't do these workarounds anymore, so now this 927 * function is a no-op. 928 */ 929void pixman_disable_out_of_bounds_workaround (void); 930 931/* 932 * Glyphs 933 */ 934typedef struct pixman_glyph_cache_t pixman_glyph_cache_t; 935typedef struct 936{ 937 int x, y; 938 const void *glyph; 939} pixman_glyph_t; 940 941pixman_glyph_cache_t *pixman_glyph_cache_create (void); 942void pixman_glyph_cache_destroy (pixman_glyph_cache_t *cache); 943void pixman_glyph_cache_freeze (pixman_glyph_cache_t *cache); 944void pixman_glyph_cache_thaw (pixman_glyph_cache_t *cache); 945const void * pixman_glyph_cache_lookup (pixman_glyph_cache_t *cache, 946 void *font_key, 947 void *glyph_key); 948const void * pixman_glyph_cache_insert (pixman_glyph_cache_t *cache, 949 void *font_key, 950 void *glyph_key, 951 int origin_x, 952 int origin_y, 953 pixman_image_t *glyph_image); 954void pixman_glyph_cache_remove (pixman_glyph_cache_t *cache, 955 void *font_key, 956 void *glyph_key); 957void pixman_glyph_get_extents (pixman_glyph_cache_t *cache, 958 int n_glyphs, 959 pixman_glyph_t *glyphs, 960 pixman_box32_t *extents); 961pixman_format_code_t pixman_glyph_get_mask_format (pixman_glyph_cache_t *cache, 962 int n_glyphs, 963 const pixman_glyph_t *glyphs); 964void pixman_composite_glyphs (pixman_op_t op, 965 pixman_image_t *src, 966 pixman_image_t *dest, 967 pixman_format_code_t mask_format, 968 int32_t src_x, 969 int32_t src_y, 970 int32_t mask_x, 971 int32_t mask_y, 972 int32_t dest_x, 973 int32_t dest_y, 974 int32_t width, 975 int32_t height, 976 pixman_glyph_cache_t *cache, 977 int n_glyphs, 978 const pixman_glyph_t *glyphs); 979void pixman_composite_glyphs_no_mask (pixman_op_t op, 980 pixman_image_t *src, 981 pixman_image_t *dest, 982 int32_t src_x, 983 int32_t src_y, 984 int32_t dest_x, 985 int32_t dest_y, 986 pixman_glyph_cache_t *cache, 987 int n_glyphs, 988 const pixman_glyph_t *glyphs); 989 990/* 991 * Trapezoids 992 */ 993typedef struct pixman_edge pixman_edge_t; 994typedef struct pixman_trapezoid pixman_trapezoid_t; 995typedef struct pixman_trap pixman_trap_t; 996typedef struct pixman_span_fix pixman_span_fix_t; 997typedef struct pixman_triangle pixman_triangle_t; 998 999/* 1000 * An edge structure. This represents a single polygon edge 1001 * and can be quickly stepped across small or large gaps in the 1002 * sample grid 1003 */ 1004struct pixman_edge 1005{ 1006 pixman_fixed_t x; 1007 pixman_fixed_t e; 1008 pixman_fixed_t stepx; 1009 pixman_fixed_t signdx; 1010 pixman_fixed_t dy; 1011 pixman_fixed_t dx; 1012 1013 pixman_fixed_t stepx_small; 1014 pixman_fixed_t stepx_big; 1015 pixman_fixed_t dx_small; 1016 pixman_fixed_t dx_big; 1017}; 1018 1019struct pixman_trapezoid 1020{ 1021 pixman_fixed_t top, bottom; 1022 pixman_line_fixed_t left, right; 1023}; 1024 1025struct pixman_triangle 1026{ 1027 pixman_point_fixed_t p1, p2, p3; 1028}; 1029 1030/* whether 't' is a well defined not obviously empty trapezoid */ 1031#define pixman_trapezoid_valid(t) \ 1032 ((t)->left.p1.y != (t)->left.p2.y && \ 1033 (t)->right.p1.y != (t)->right.p2.y && \ 1034 ((t)->bottom > (t)->top)) 1035 1036struct pixman_span_fix 1037{ 1038 pixman_fixed_t l, r, y; 1039}; 1040 1041struct pixman_trap 1042{ 1043 pixman_span_fix_t top, bot; 1044}; 1045 1046pixman_fixed_t pixman_sample_ceil_y (pixman_fixed_t y, 1047 int bpp); 1048pixman_fixed_t pixman_sample_floor_y (pixman_fixed_t y, 1049 int bpp); 1050void pixman_edge_step (pixman_edge_t *e, 1051 int n); 1052void pixman_edge_init (pixman_edge_t *e, 1053 int bpp, 1054 pixman_fixed_t y_start, 1055 pixman_fixed_t x_top, 1056 pixman_fixed_t y_top, 1057 pixman_fixed_t x_bot, 1058 pixman_fixed_t y_bot); 1059void pixman_line_fixed_edge_init (pixman_edge_t *e, 1060 int bpp, 1061 pixman_fixed_t y, 1062 const pixman_line_fixed_t *line, 1063 int x_off, 1064 int y_off); 1065void pixman_rasterize_edges (pixman_image_t *image, 1066 pixman_edge_t *l, 1067 pixman_edge_t *r, 1068 pixman_fixed_t t, 1069 pixman_fixed_t b); 1070void pixman_add_traps (pixman_image_t *image, 1071 int16_t x_off, 1072 int16_t y_off, 1073 int ntrap, 1074 const pixman_trap_t *traps); 1075void pixman_add_trapezoids (pixman_image_t *image, 1076 int16_t x_off, 1077 int y_off, 1078 int ntraps, 1079 const pixman_trapezoid_t *traps); 1080void pixman_rasterize_trapezoid (pixman_image_t *image, 1081 const pixman_trapezoid_t *trap, 1082 int x_off, 1083 int y_off); 1084void pixman_composite_trapezoids (pixman_op_t op, 1085 pixman_image_t * src, 1086 pixman_image_t * dst, 1087 pixman_format_code_t mask_format, 1088 int x_src, 1089 int y_src, 1090 int x_dst, 1091 int y_dst, 1092 int n_traps, 1093 const pixman_trapezoid_t * traps); 1094void pixman_composite_triangles (pixman_op_t op, 1095 pixman_image_t * src, 1096 pixman_image_t * dst, 1097 pixman_format_code_t mask_format, 1098 int x_src, 1099 int y_src, 1100 int x_dst, 1101 int y_dst, 1102 int n_tris, 1103 const pixman_triangle_t * tris); 1104void pixman_add_triangles (pixman_image_t *image, 1105 int32_t x_off, 1106 int32_t y_off, 1107 int n_tris, 1108 const pixman_triangle_t *tris); 1109 1110PIXMAN_END_DECLS 1111 1112#endif /* PIXMAN_H__ */ 1113