| 1 | /***********************************************************
|
|---|
| 2 |
|
|---|
| 3 | Copyright 1987, 1998 The Open Group
|
|---|
| 4 |
|
|---|
| 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
|
|---|
| 9 | documentation.
|
|---|
| 10 |
|
|---|
| 11 | The above copyright notice and this permission notice shall be included in
|
|---|
| 12 | all copies or substantial portions of the Software.
|
|---|
| 13 |
|
|---|
| 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.
|
|---|
| 20 |
|
|---|
| 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.
|
|---|
| 24 |
|
|---|
| 25 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
|
|---|
| 26 |
|
|---|
| 27 | All Rights Reserved
|
|---|
| 28 |
|
|---|
| 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.
|
|---|
| 36 |
|
|---|
| 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
|
|---|
| 43 | SOFTWARE.
|
|---|
| 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 | /*
|
|---|
| 75 | * Standard integers
|
|---|
| 76 | */
|
|---|
| 77 | #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || defined (_sgi) || defined (__sun) || defined (sun) || defined (__digital__)
|
|---|
| 78 | # include <inttypes.h>
|
|---|
| 79 | #elif defined (_MSC_VER)
|
|---|
| 80 | typedef __int8 int8_t;
|
|---|
| 81 | typedef unsigned __int8 uint8_t;
|
|---|
| 82 | typedef __int16 int16_t;
|
|---|
| 83 | typedef unsigned __int16 uint16_t;
|
|---|
| 84 | typedef __int32 int32_t;
|
|---|
| 85 | typedef unsigned __int32 uint32_t;
|
|---|
| 86 | typedef __int64 int64_t;
|
|---|
| 87 | typedef unsigned __int64 uint64_t;
|
|---|
| 88 | #elif defined (_AIX)
|
|---|
| 89 | # include <sys/inttypes.h>
|
|---|
| 90 | #else
|
|---|
| 91 | # include <stdint.h>
|
|---|
| 92 | #endif
|
|---|
| 93 |
|
|---|
| 94 | /*
|
|---|
| 95 | * Boolean
|
|---|
| 96 | */
|
|---|
| 97 | typedef int pixman_bool_t;
|
|---|
| 98 |
|
|---|
| 99 | /*
|
|---|
| 100 | * Fixpoint numbers
|
|---|
| 101 | */
|
|---|
| 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;
|
|---|
| 108 |
|
|---|
| 109 | #define pixman_fixed_e ((pixman_fixed_t) 1)
|
|---|
| 110 | #define pixman_fixed_1 (pixman_int_to_fixed(1))
|
|---|
| 111 | #define pixman_fixed_1_minus_e (pixman_fixed_1 - pixman_fixed_e)
|
|---|
| 112 | #define pixman_fixed_to_int(f) ((int) ((f) >> 16))
|
|---|
| 113 | #define pixman_int_to_fixed(i) ((pixman_fixed_t) ((i) << 16))
|
|---|
| 114 | #define pixman_fixed_to_double(f) (double) ((f) / (double) pixman_fixed_1)
|
|---|
| 115 | #define pixman_double_to_fixed(d) ((pixman_fixed_t) ((d) * 65536.0))
|
|---|
| 116 | #define pixman_fixed_frac(f) ((f) & pixman_fixed_1_minus_e)
|
|---|
| 117 | #define pixman_fixed_floor(f) ((f) & ~pixman_fixed_1_minus_e)
|
|---|
| 118 | #define pixman_fixed_ceil(f) pixman_fixed_floor ((f) + pixman_fixed_1_minus_e)
|
|---|
| 119 | #define pixman_fixed_fraction(f) ((f) & pixman_fixed_1_minus_e)
|
|---|
| 120 | #define pixman_fixed_mod_2(f) ((f) & (pixman_fixed1 | pixman_fixed_1_minus_e))
|
|---|
| 121 | #define pixman_max_fixed_48_16 ((pixman_fixed_48_16_t) 0x7fffffff)
|
|---|
| 122 | #define pixman_min_fixed_48_16 (-((pixman_fixed_48_16_t) 1 << 31))
|
|---|
| 123 |
|
|---|
| 124 | /*
|
|---|
| 125 | * Misc structs
|
|---|
| 126 | */
|
|---|
| 127 | typedef struct pixman_color pixman_color_t;
|
|---|
| 128 | typedef struct pixman_point_fixed pixman_point_fixed_t;
|
|---|
| 129 | typedef struct pixman_line_fixed pixman_line_fixed_t;
|
|---|
| 130 | typedef struct pixman_vector pixman_vector_t;
|
|---|
| 131 | typedef struct pixman_transform pixman_transform_t;
|
|---|
| 132 |
|
|---|
| 133 | struct pixman_color
|
|---|
| 134 | {
|
|---|
| 135 | uint16_t red;
|
|---|
| 136 | uint16_t green;
|
|---|
| 137 | uint16_t blue;
|
|---|
| 138 | uint16_t alpha;
|
|---|
| 139 | };
|
|---|
| 140 |
|
|---|
| 141 | struct pixman_point_fixed
|
|---|
| 142 | {
|
|---|
| 143 | pixman_fixed_t x;
|
|---|
| 144 | pixman_fixed_t y;
|
|---|
| 145 | };
|
|---|
| 146 |
|
|---|
| 147 | struct pixman_line_fixed
|
|---|
| 148 | {
|
|---|
| 149 | pixman_point_fixed_t p1, p2;
|
|---|
| 150 | };
|
|---|
| 151 |
|
|---|
| 152 | /*
|
|---|
| 153 | * Fixed point matrices
|
|---|
| 154 | */
|
|---|
| 155 |
|
|---|
| 156 | struct pixman_vector
|
|---|
| 157 | {
|
|---|
| 158 | pixman_fixed_t vector[3];
|
|---|
| 159 | };
|
|---|
| 160 |
|
|---|
| 161 | struct pixman_transform
|
|---|
| 162 | {
|
|---|
| 163 | pixman_fixed_t matrix[3][3];
|
|---|
| 164 | };
|
|---|
| 165 |
|
|---|
| 166 | /* forward declaration (sorry) */
|
|---|
| 167 | struct pixman_box16;
|
|---|
| 168 |
|
|---|
| 169 | void pixman_transform_init_identity (struct pixman_transform *matrix);
|
|---|
| 170 | pixman_bool_t pixman_transform_point_3d (const struct pixman_transform *transform,
|
|---|
| 171 | struct pixman_vector *vector);
|
|---|
| 172 | pixman_bool_t pixman_transform_point (const struct pixman_transform *transform,
|
|---|
| 173 | struct pixman_vector *vector);
|
|---|
| 174 | pixman_bool_t pixman_transform_multiply (struct pixman_transform *dst,
|
|---|
| 175 | const struct pixman_transform *l,
|
|---|
| 176 | const struct pixman_transform *r);
|
|---|
| 177 | void pixman_transform_init_scale (struct pixman_transform *t,
|
|---|
| 178 | pixman_fixed_t sx,
|
|---|
| 179 | pixman_fixed_t sy);
|
|---|
| 180 | pixman_bool_t pixman_transform_scale (struct pixman_transform *forward,
|
|---|
| 181 | struct pixman_transform *reverse,
|
|---|
| 182 | pixman_fixed_t sx,
|
|---|
| 183 | pixman_fixed_t sy);
|
|---|
| 184 | void pixman_transform_init_rotate (struct pixman_transform *t,
|
|---|
| 185 | pixman_fixed_t cos,
|
|---|
| 186 | pixman_fixed_t sin);
|
|---|
| 187 | pixman_bool_t pixman_transform_rotate (struct pixman_transform *forward,
|
|---|
| 188 | struct pixman_transform *reverse,
|
|---|
| 189 | pixman_fixed_t c,
|
|---|
| 190 | pixman_fixed_t s);
|
|---|
| 191 | void pixman_transform_init_translate (struct pixman_transform *t,
|
|---|
| 192 | pixman_fixed_t tx,
|
|---|
| 193 | pixman_fixed_t ty);
|
|---|
| 194 | pixman_bool_t pixman_transform_translate (struct pixman_transform *forward,
|
|---|
| 195 | struct pixman_transform *reverse,
|
|---|
| 196 | pixman_fixed_t tx,
|
|---|
| 197 | pixman_fixed_t ty);
|
|---|
| 198 | pixman_bool_t pixman_transform_bounds (const struct pixman_transform *matrix,
|
|---|
| 199 | struct pixman_box16 *b);
|
|---|
| 200 | pixman_bool_t pixman_transform_invert (struct pixman_transform *dst,
|
|---|
| 201 | const struct pixman_transform *src);
|
|---|
| 202 | pixman_bool_t pixman_transform_is_identity (const struct pixman_transform *t);
|
|---|
| 203 | pixman_bool_t pixman_transform_is_scale (const struct pixman_transform *t);
|
|---|
| 204 | pixman_bool_t pixman_transform_is_int_translate (const struct pixman_transform *t);
|
|---|
| 205 | pixman_bool_t pixman_transform_is_inverse (const struct pixman_transform *a,
|
|---|
| 206 | const struct pixman_transform *b);
|
|---|
| 207 |
|
|---|
| 208 | /*
|
|---|
| 209 | * Floating point matrices
|
|---|
| 210 | */
|
|---|
| 211 | struct pixman_f_vector
|
|---|
| 212 | {
|
|---|
| 213 | double v[3];
|
|---|
| 214 | };
|
|---|
| 215 |
|
|---|
| 216 | struct pixman_f_transform
|
|---|
| 217 | {
|
|---|
| 218 | double m[3][3];
|
|---|
| 219 | };
|
|---|
| 220 |
|
|---|
| 221 | pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t,
|
|---|
| 222 | const struct pixman_f_transform *ft);
|
|---|
| 223 | void pixman_f_transform_from_pixman_transform (struct pixman_f_transform *ft,
|
|---|
| 224 | const struct pixman_transform *t);
|
|---|
| 225 | pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t,
|
|---|
| 226 | const struct pixman_f_transform *ft);
|
|---|
| 227 | pixman_bool_t pixman_f_transform_invert (struct pixman_f_transform *dst,
|
|---|
| 228 | const struct pixman_f_transform *src);
|
|---|
| 229 | pixman_bool_t pixman_f_transform_point (const struct pixman_f_transform *t,
|
|---|
| 230 | struct pixman_f_vector *v);
|
|---|
| 231 | void pixman_f_transform_point_3d (const struct pixman_f_transform *t,
|
|---|
| 232 | struct pixman_f_vector *v);
|
|---|
| 233 | void pixman_f_transform_multiply (struct pixman_f_transform *dst,
|
|---|
| 234 | const struct pixman_f_transform *l,
|
|---|
| 235 | const struct pixman_f_transform *r);
|
|---|
| 236 | void pixman_f_transform_init_scale (struct pixman_f_transform *t,
|
|---|
| 237 | double sx,
|
|---|
| 238 | double sy);
|
|---|
| 239 | pixman_bool_t pixman_f_transform_scale (struct pixman_f_transform *forward,
|
|---|
| 240 | struct pixman_f_transform *reverse,
|
|---|
| 241 | double sx,
|
|---|
| 242 | double sy);
|
|---|
| 243 | void pixman_f_transform_init_rotate (struct pixman_f_transform *t,
|
|---|
| 244 | double cos,
|
|---|
| 245 | double sin);
|
|---|
| 246 | pixman_bool_t pixman_f_transform_rotate (struct pixman_f_transform *forward,
|
|---|
| 247 | struct pixman_f_transform *reverse,
|
|---|
| 248 | double c,
|
|---|
| 249 | double s);
|
|---|
| 250 | void pixman_f_transform_init_translate (struct pixman_f_transform *t,
|
|---|
| 251 | double tx,
|
|---|
| 252 | double ty);
|
|---|
| 253 | pixman_bool_t pixman_f_transform_translate (struct pixman_f_transform *forward,
|
|---|
| 254 | struct pixman_f_transform *reverse,
|
|---|
| 255 | double tx,
|
|---|
| 256 | double ty);
|
|---|
| 257 | pixman_bool_t pixman_f_transform_bounds (const struct pixman_f_transform *t,
|
|---|
| 258 | struct pixman_box16 *b);
|
|---|
| 259 | void pixman_f_transform_init_identity (struct pixman_f_transform *t);
|
|---|
| 260 |
|
|---|
| 261 | typedef enum
|
|---|
| 262 | {
|
|---|
| 263 | PIXMAN_REPEAT_NONE,
|
|---|
| 264 | PIXMAN_REPEAT_NORMAL,
|
|---|
| 265 | PIXMAN_REPEAT_PAD,
|
|---|
| 266 | PIXMAN_REPEAT_REFLECT
|
|---|
| 267 | } pixman_repeat_t;
|
|---|
| 268 |
|
|---|
| 269 | typedef enum
|
|---|
| 270 | {
|
|---|
| 271 | PIXMAN_FILTER_FAST,
|
|---|
| 272 | PIXMAN_FILTER_GOOD,
|
|---|
| 273 | PIXMAN_FILTER_BEST,
|
|---|
| 274 | PIXMAN_FILTER_NEAREST,
|
|---|
| 275 | PIXMAN_FILTER_BILINEAR,
|
|---|
| 276 | PIXMAN_FILTER_CONVOLUTION
|
|---|
| 277 | } pixman_filter_t;
|
|---|
| 278 |
|
|---|
| 279 | typedef enum
|
|---|
| 280 | {
|
|---|
| 281 | PIXMAN_OP_CLEAR = 0x00,
|
|---|
| 282 | PIXMAN_OP_SRC = 0x01,
|
|---|
| 283 | PIXMAN_OP_DST = 0x02,
|
|---|
| 284 | PIXMAN_OP_OVER = 0x03,
|
|---|
| 285 | PIXMAN_OP_OVER_REVERSE = 0x04,
|
|---|
| 286 | PIXMAN_OP_IN = 0x05,
|
|---|
| 287 | PIXMAN_OP_IN_REVERSE = 0x06,
|
|---|
| 288 | PIXMAN_OP_OUT = 0x07,
|
|---|
| 289 | PIXMAN_OP_OUT_REVERSE = 0x08,
|
|---|
| 290 | PIXMAN_OP_ATOP = 0x09,
|
|---|
| 291 | PIXMAN_OP_ATOP_REVERSE = 0x0a,
|
|---|
| 292 | PIXMAN_OP_XOR = 0x0b,
|
|---|
| 293 | PIXMAN_OP_ADD = 0x0c,
|
|---|
| 294 | PIXMAN_OP_SATURATE = 0x0d,
|
|---|
| 295 |
|
|---|
| 296 | PIXMAN_OP_DISJOINT_CLEAR = 0x10,
|
|---|
| 297 | PIXMAN_OP_DISJOINT_SRC = 0x11,
|
|---|
| 298 | PIXMAN_OP_DISJOINT_DST = 0x12,
|
|---|
| 299 | PIXMAN_OP_DISJOINT_OVER = 0x13,
|
|---|
| 300 | PIXMAN_OP_DISJOINT_OVER_REVERSE = 0x14,
|
|---|
| 301 | PIXMAN_OP_DISJOINT_IN = 0x15,
|
|---|
| 302 | PIXMAN_OP_DISJOINT_IN_REVERSE = 0x16,
|
|---|
| 303 | PIXMAN_OP_DISJOINT_OUT = 0x17,
|
|---|
| 304 | PIXMAN_OP_DISJOINT_OUT_REVERSE = 0x18,
|
|---|
| 305 | PIXMAN_OP_DISJOINT_ATOP = 0x19,
|
|---|
| 306 | PIXMAN_OP_DISJOINT_ATOP_REVERSE = 0x1a,
|
|---|
| 307 | PIXMAN_OP_DISJOINT_XOR = 0x1b,
|
|---|
| 308 |
|
|---|
| 309 | PIXMAN_OP_CONJOINT_CLEAR = 0x20,
|
|---|
| 310 | PIXMAN_OP_CONJOINT_SRC = 0x21,
|
|---|
| 311 | PIXMAN_OP_CONJOINT_DST = 0x22,
|
|---|
| 312 | PIXMAN_OP_CONJOINT_OVER = 0x23,
|
|---|
| 313 | PIXMAN_OP_CONJOINT_OVER_REVERSE = 0x24,
|
|---|
| 314 | PIXMAN_OP_CONJOINT_IN = 0x25,
|
|---|
| 315 | PIXMAN_OP_CONJOINT_IN_REVERSE = 0x26,
|
|---|
| 316 | PIXMAN_OP_CONJOINT_OUT = 0x27,
|
|---|
| 317 | PIXMAN_OP_CONJOINT_OUT_REVERSE = 0x28,
|
|---|
| 318 | PIXMAN_OP_CONJOINT_ATOP = 0x29,
|
|---|
| 319 | PIXMAN_OP_CONJOINT_ATOP_REVERSE = 0x2a,
|
|---|
| 320 | PIXMAN_OP_CONJOINT_XOR = 0x2b,
|
|---|
| 321 |
|
|---|
| 322 | PIXMAN_OP_MULTIPLY = 0x30,
|
|---|
| 323 | PIXMAN_OP_SCREEN = 0x31,
|
|---|
| 324 | PIXMAN_OP_OVERLAY = 0x32,
|
|---|
| 325 | PIXMAN_OP_DARKEN = 0x33,
|
|---|
| 326 | PIXMAN_OP_LIGHTEN = 0x34,
|
|---|
| 327 | PIXMAN_OP_COLOR_DODGE = 0x35,
|
|---|
| 328 | PIXMAN_OP_COLOR_BURN = 0x36,
|
|---|
| 329 | PIXMAN_OP_HARD_LIGHT = 0x37,
|
|---|
| 330 | PIXMAN_OP_SOFT_LIGHT = 0x38,
|
|---|
| 331 | PIXMAN_OP_DIFFERENCE = 0x39,
|
|---|
| 332 | PIXMAN_OP_EXCLUSION = 0x3a,
|
|---|
| 333 | PIXMAN_OP_HSL_HUE = 0x3b,
|
|---|
| 334 | PIXMAN_OP_HSL_SATURATION = 0x3c,
|
|---|
| 335 | PIXMAN_OP_HSL_COLOR = 0x3d,
|
|---|
| 336 | PIXMAN_OP_HSL_LUMINOSITY = 0x3e,
|
|---|
| 337 |
|
|---|
| 338 | PIXMAN_OP_NONE,
|
|---|
| 339 | PIXMAN_OP_LAST = PIXMAN_OP_NONE
|
|---|
| 340 | } pixman_op_t;
|
|---|
| 341 |
|
|---|
| 342 | /*
|
|---|
| 343 | * Regions
|
|---|
| 344 | */
|
|---|
| 345 | typedef struct pixman_region16_data pixman_region16_data_t;
|
|---|
| 346 | typedef struct pixman_box16 pixman_box16_t;
|
|---|
| 347 | typedef struct pixman_rectangle16 pixman_rectangle16_t;
|
|---|
| 348 | typedef struct pixman_region16 pixman_region16_t;
|
|---|
| 349 |
|
|---|
| 350 | struct pixman_region16_data {
|
|---|
| 351 | long size;
|
|---|
| 352 | long numRects;
|
|---|
| 353 | /* pixman_box16_t rects[size]; in memory but not explicitly declared */
|
|---|
| 354 | };
|
|---|
| 355 |
|
|---|
| 356 | struct pixman_rectangle16
|
|---|
| 357 | {
|
|---|
| 358 | int16_t x, y;
|
|---|
| 359 | uint16_t width, height;
|
|---|
| 360 | };
|
|---|
| 361 |
|
|---|
| 362 | struct pixman_box16
|
|---|
| 363 | {
|
|---|
| 364 | int16_t x1, y1, x2, y2;
|
|---|
| 365 | };
|
|---|
| 366 |
|
|---|
| 367 | struct pixman_region16
|
|---|
| 368 | {
|
|---|
| 369 | pixman_box16_t extents;
|
|---|
| 370 | pixman_region16_data_t *data;
|
|---|
| 371 | };
|
|---|
| 372 |
|
|---|
| 373 | typedef enum
|
|---|
| 374 | {
|
|---|
| 375 | PIXMAN_REGION_OUT,
|
|---|
| 376 | PIXMAN_REGION_IN,
|
|---|
| 377 | PIXMAN_REGION_PART
|
|---|
| 378 | } pixman_region_overlap_t;
|
|---|
| 379 |
|
|---|
| 380 | /* This function exists only to make it possible to preserve
|
|---|
| 381 | * the X ABI - it should go away at first opportunity.
|
|---|
| 382 | */
|
|---|
| 383 | void pixman_region_set_static_pointers (pixman_box16_t *empty_box,
|
|---|
| 384 | pixman_region16_data_t *empty_data,
|
|---|
| 385 | pixman_region16_data_t *broken_data);
|
|---|
| 386 |
|
|---|
| 387 | /* creation/destruction */
|
|---|
| 388 | void pixman_region_init (pixman_region16_t *region);
|
|---|
| 389 | void pixman_region_init_rect (pixman_region16_t *region,
|
|---|
| 390 | int x,
|
|---|
| 391 | int y,
|
|---|
| 392 | unsigned int width,
|
|---|
| 393 | unsigned int height);
|
|---|
| 394 | pixman_bool_t pixman_region_init_rects (pixman_region16_t *region,
|
|---|
| 395 | pixman_box16_t *boxes,
|
|---|
| 396 | int count);
|
|---|
| 397 | void pixman_region_init_with_extents (pixman_region16_t *region,
|
|---|
| 398 | pixman_box16_t *extents);
|
|---|
| 399 | void pixman_region_fini (pixman_region16_t *region);
|
|---|
| 400 |
|
|---|
| 401 |
|
|---|
| 402 |
|
|---|
| 403 | /* manipulation */
|
|---|
| 404 | void pixman_region_translate (pixman_region16_t *region,
|
|---|
| 405 | int x,
|
|---|
| 406 | int y);
|
|---|
| 407 | pixman_bool_t pixman_region_copy (pixman_region16_t *dest,
|
|---|
| 408 | pixman_region16_t *source);
|
|---|
| 409 | pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg,
|
|---|
| 410 | pixman_region16_t *reg1,
|
|---|
| 411 | pixman_region16_t *reg2);
|
|---|
| 412 | pixman_bool_t pixman_region_union (pixman_region16_t *new_reg,
|
|---|
| 413 | pixman_region16_t *reg1,
|
|---|
| 414 | pixman_region16_t *reg2);
|
|---|
| 415 | pixman_bool_t pixman_region_union_rect (pixman_region16_t *dest,
|
|---|
| 416 | pixman_region16_t *source,
|
|---|
| 417 | int x,
|
|---|
| 418 | int y,
|
|---|
| 419 | unsigned int width,
|
|---|
| 420 | unsigned int height);
|
|---|
| 421 | pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d,
|
|---|
| 422 | pixman_region16_t *reg_m,
|
|---|
| 423 | pixman_region16_t *reg_s);
|
|---|
| 424 | pixman_bool_t pixman_region_inverse (pixman_region16_t *new_reg,
|
|---|
| 425 | pixman_region16_t *reg1,
|
|---|
| 426 | pixman_box16_t *inv_rect);
|
|---|
| 427 | pixman_bool_t pixman_region_contains_point (pixman_region16_t *region,
|
|---|
| 428 | int x,
|
|---|
| 429 | int y,
|
|---|
| 430 | pixman_box16_t *box);
|
|---|
| 431 | pixman_region_overlap_t pixman_region_contains_rectangle (pixman_region16_t *pixman_region16_t,
|
|---|
| 432 | pixman_box16_t *prect);
|
|---|
| 433 | pixman_bool_t pixman_region_not_empty (pixman_region16_t *region);
|
|---|
| 434 | pixman_box16_t * pixman_region_extents (pixman_region16_t *region);
|
|---|
| 435 | int pixman_region_n_rects (pixman_region16_t *region);
|
|---|
| 436 | pixman_box16_t * pixman_region_rectangles (pixman_region16_t *region,
|
|---|
| 437 | int *n_rects);
|
|---|
| 438 | pixman_bool_t pixman_region_equal (pixman_region16_t *region1,
|
|---|
| 439 | pixman_region16_t *region2);
|
|---|
| 440 | pixman_bool_t pixman_region_selfcheck (pixman_region16_t *region);
|
|---|
| 441 | void pixman_region_reset (pixman_region16_t *region,
|
|---|
| 442 | pixman_box16_t *box);
|
|---|
| 443 | /*
|
|---|
| 444 | * 32 bit regions
|
|---|
| 445 | */
|
|---|
| 446 | typedef struct pixman_region32_data pixman_region32_data_t;
|
|---|
| 447 | typedef struct pixman_box32 pixman_box32_t;
|
|---|
| 448 | typedef struct pixman_rectangle32 pixman_rectangle32_t;
|
|---|
| 449 | typedef struct pixman_region32 pixman_region32_t;
|
|---|
| 450 |
|
|---|
| 451 | struct pixman_region32_data {
|
|---|
| 452 | long size;
|
|---|
| 453 | long numRects;
|
|---|
| 454 | /* pixman_box32_t rects[size]; in memory but not explicitly declared */
|
|---|
| 455 | };
|
|---|
| 456 |
|
|---|
| 457 | struct pixman_rectangle32
|
|---|
| 458 | {
|
|---|
| 459 | int32_t x, y;
|
|---|
| 460 | uint32_t width, height;
|
|---|
| 461 | };
|
|---|
| 462 |
|
|---|
| 463 | struct pixman_box32
|
|---|
| 464 | {
|
|---|
| 465 | int32_t x1, y1, x2, y2;
|
|---|
| 466 | };
|
|---|
| 467 |
|
|---|
| 468 | struct pixman_region32
|
|---|
| 469 | {
|
|---|
| 470 | pixman_box32_t extents;
|
|---|
| 471 | pixman_region32_data_t *data;
|
|---|
| 472 | };
|
|---|
| 473 |
|
|---|
| 474 | /* creation/destruction */
|
|---|
| 475 | void pixman_region32_init (pixman_region32_t *region);
|
|---|
| 476 | void pixman_region32_init_rect (pixman_region32_t *region,
|
|---|
| 477 | int x,
|
|---|
| 478 | int y,
|
|---|
| 479 | unsigned int width,
|
|---|
| 480 | unsigned int height);
|
|---|
| 481 | pixman_bool_t pixman_region32_init_rects (pixman_region32_t *region,
|
|---|
| 482 | pixman_box32_t *boxes,
|
|---|
| 483 | int count);
|
|---|
| 484 | void pixman_region32_init_with_extents (pixman_region32_t *region,
|
|---|
| 485 | pixman_box32_t *extents);
|
|---|
| 486 | void pixman_region32_fini (pixman_region32_t *region);
|
|---|
| 487 |
|
|---|
| 488 |
|
|---|
| 489 | /* manipulation */
|
|---|
| 490 | void pixman_region32_translate (pixman_region32_t *region,
|
|---|
| 491 | int x,
|
|---|
| 492 | int y);
|
|---|
| 493 | pixman_bool_t pixman_region32_copy (pixman_region32_t *dest,
|
|---|
| 494 | pixman_region32_t *source);
|
|---|
| 495 | pixman_bool_t pixman_region32_intersect (pixman_region32_t *new_reg,
|
|---|
| 496 | pixman_region32_t *reg1,
|
|---|
| 497 | pixman_region32_t *reg2);
|
|---|
| 498 | pixman_bool_t pixman_region32_union (pixman_region32_t *new_reg,
|
|---|
| 499 | pixman_region32_t *reg1,
|
|---|
| 500 | pixman_region32_t *reg2);
|
|---|
| 501 | pixman_bool_t pixman_region32_union_rect (pixman_region32_t *dest,
|
|---|
| 502 | pixman_region32_t *source,
|
|---|
| 503 | int x,
|
|---|
| 504 | int y,
|
|---|
| 505 | unsigned int width,
|
|---|
| 506 | unsigned int height);
|
|---|
| 507 | pixman_bool_t pixman_region32_subtract (pixman_region32_t *reg_d,
|
|---|
| 508 | pixman_region32_t *reg_m,
|
|---|
| 509 | pixman_region32_t *reg_s);
|
|---|
| 510 | pixman_bool_t pixman_region32_inverse (pixman_region32_t *new_reg,
|
|---|
| 511 | pixman_region32_t *reg1,
|
|---|
| 512 | pixman_box32_t *inv_rect);
|
|---|
| 513 | pixman_bool_t pixman_region32_contains_point (pixman_region32_t *region,
|
|---|
| 514 | int x,
|
|---|
| 515 | int y,
|
|---|
| 516 | pixman_box32_t *box);
|
|---|
| 517 | pixman_region_overlap_t pixman_region32_contains_rectangle (pixman_region32_t *region,
|
|---|
| 518 | pixman_box32_t *prect);
|
|---|
| 519 | pixman_bool_t pixman_region32_not_empty (pixman_region32_t *region);
|
|---|
| 520 | pixman_box32_t * pixman_region32_extents (pixman_region32_t *region);
|
|---|
| 521 | int pixman_region32_n_rects (pixman_region32_t *region);
|
|---|
| 522 | pixman_box32_t * pixman_region32_rectangles (pixman_region32_t *region,
|
|---|
| 523 | int *n_rects);
|
|---|
| 524 | pixman_bool_t pixman_region32_equal (pixman_region32_t *region1,
|
|---|
| 525 | pixman_region32_t *region2);
|
|---|
| 526 | pixman_bool_t pixman_region32_selfcheck (pixman_region32_t *region);
|
|---|
| 527 | void pixman_region32_reset (pixman_region32_t *region,
|
|---|
| 528 | pixman_box32_t *box);
|
|---|
| 529 |
|
|---|
| 530 |
|
|---|
| 531 | /* Copy / Fill / Misc */
|
|---|
| 532 | pixman_bool_t pixman_blt (uint32_t *src_bits,
|
|---|
| 533 | uint32_t *dst_bits,
|
|---|
| 534 | int src_stride,
|
|---|
| 535 | int dst_stride,
|
|---|
| 536 | int src_bpp,
|
|---|
| 537 | int dst_bpp,
|
|---|
| 538 | int src_x,
|
|---|
| 539 | int src_y,
|
|---|
| 540 | int dst_x,
|
|---|
| 541 | int dst_y,
|
|---|
| 542 | int width,
|
|---|
| 543 | int height);
|
|---|
| 544 | pixman_bool_t pixman_fill (uint32_t *bits,
|
|---|
| 545 | int stride,
|
|---|
| 546 | int bpp,
|
|---|
| 547 | int x,
|
|---|
| 548 | int y,
|
|---|
| 549 | int width,
|
|---|
| 550 | int height,
|
|---|
| 551 | uint32_t _xor);
|
|---|
| 552 |
|
|---|
| 553 | int pixman_version (void);
|
|---|
| 554 | const char* pixman_version_string (void);
|
|---|
| 555 |
|
|---|
| 556 | /*
|
|---|
| 557 | * Images
|
|---|
| 558 | */
|
|---|
| 559 | typedef union pixman_image pixman_image_t;
|
|---|
| 560 | typedef struct pixman_indexed pixman_indexed_t;
|
|---|
| 561 | typedef struct pixman_gradient_stop pixman_gradient_stop_t;
|
|---|
| 562 |
|
|---|
| 563 | typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size);
|
|---|
| 564 | typedef void (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size);
|
|---|
| 565 |
|
|---|
| 566 | typedef void (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data);
|
|---|
| 567 |
|
|---|
| 568 | struct pixman_gradient_stop {
|
|---|
| 569 | pixman_fixed_t x;
|
|---|
| 570 | pixman_color_t color;
|
|---|
| 571 | };
|
|---|
| 572 |
|
|---|
| 573 | #define PIXMAN_MAX_INDEXED 256 /* XXX depth must be <= 8 */
|
|---|
| 574 |
|
|---|
| 575 | #if PIXMAN_MAX_INDEXED <= 256
|
|---|
| 576 | typedef uint8_t pixman_index_type;
|
|---|
| 577 | #endif
|
|---|
| 578 |
|
|---|
| 579 | struct pixman_indexed
|
|---|
| 580 | {
|
|---|
| 581 | pixman_bool_t color;
|
|---|
| 582 | uint32_t rgba[PIXMAN_MAX_INDEXED];
|
|---|
| 583 | pixman_index_type ent[32768];
|
|---|
| 584 | };
|
|---|
| 585 |
|
|---|
| 586 | /*
|
|---|
| 587 | * While the protocol is generous in format support, the
|
|---|
| 588 | * sample implementation allows only packed RGB and GBR
|
|---|
| 589 | * representations for data to simplify software rendering,
|
|---|
| 590 | */
|
|---|
| 591 | #define PIXMAN_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \
|
|---|
| 592 | ((type) << 16) | \
|
|---|
| 593 | ((a) << 12) | \
|
|---|
| 594 | ((r) << 8) | \
|
|---|
| 595 | ((g) << 4) | \
|
|---|
| 596 | ((b)))
|
|---|
| 597 |
|
|---|
| 598 | #define PIXMAN_FORMAT_BPP(f) (((f) >> 24) )
|
|---|
| 599 | #define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0xff)
|
|---|
| 600 | #define PIXMAN_FORMAT_A(f) (((f) >> 12) & 0x0f)
|
|---|
| 601 | #define PIXMAN_FORMAT_R(f) (((f) >> 8) & 0x0f)
|
|---|
| 602 | #define PIXMAN_FORMAT_G(f) (((f) >> 4) & 0x0f)
|
|---|
| 603 | #define PIXMAN_FORMAT_B(f) (((f) ) & 0x0f)
|
|---|
| 604 | #define PIXMAN_FORMAT_RGB(f) (((f) ) & 0xfff)
|
|---|
| 605 | #define PIXMAN_FORMAT_VIS(f) (((f) ) & 0xffff)
|
|---|
| 606 | #define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \
|
|---|
| 607 | PIXMAN_FORMAT_R(f) + \
|
|---|
| 608 | PIXMAN_FORMAT_G(f) + \
|
|---|
| 609 | PIXMAN_FORMAT_B(f))
|
|---|
| 610 |
|
|---|
| 611 | #define PIXMAN_TYPE_OTHER 0
|
|---|
| 612 | #define PIXMAN_TYPE_A 1
|
|---|
| 613 | #define PIXMAN_TYPE_ARGB 2
|
|---|
| 614 | #define PIXMAN_TYPE_ABGR 3
|
|---|
| 615 | #define PIXMAN_TYPE_COLOR 4
|
|---|
| 616 | #define PIXMAN_TYPE_GRAY 5
|
|---|
| 617 | #define PIXMAN_TYPE_YUY2 6
|
|---|
| 618 | #define PIXMAN_TYPE_YV12 7
|
|---|
| 619 | #define PIXMAN_TYPE_BGRA 8
|
|---|
| 620 |
|
|---|
| 621 | #define PIXMAN_FORMAT_COLOR(f) \
|
|---|
| 622 | (PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB || \
|
|---|
| 623 | PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR || \
|
|---|
| 624 | PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA)
|
|---|
| 625 |
|
|---|
| 626 | /* 32bpp formats */
|
|---|
| 627 | typedef enum {
|
|---|
| 628 | PIXMAN_a8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8),
|
|---|
| 629 | PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8),
|
|---|
| 630 | PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8),
|
|---|
| 631 | PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8),
|
|---|
| 632 | PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8),
|
|---|
| 633 | PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8),
|
|---|
| 634 | PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10),
|
|---|
| 635 | PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10),
|
|---|
| 636 | PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10),
|
|---|
| 637 | PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10),
|
|---|
| 638 |
|
|---|
| 639 | /* 24bpp formats */
|
|---|
| 640 | PIXMAN_r8g8b8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8),
|
|---|
| 641 | PIXMAN_b8g8r8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8),
|
|---|
| 642 |
|
|---|
| 643 | /* 16bpp formats */
|
|---|
| 644 | PIXMAN_r5g6b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5),
|
|---|
| 645 | PIXMAN_b5g6r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5),
|
|---|
| 646 |
|
|---|
| 647 | PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5),
|
|---|
| 648 | PIXMAN_x1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5),
|
|---|
| 649 | PIXMAN_a1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5),
|
|---|
| 650 | PIXMAN_x1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5),
|
|---|
| 651 | PIXMAN_a4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4),
|
|---|
| 652 | PIXMAN_x4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4),
|
|---|
| 653 | PIXMAN_a4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4),
|
|---|
| 654 | PIXMAN_x4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4),
|
|---|
| 655 |
|
|---|
| 656 | /* 8bpp formats */
|
|---|
| 657 | PIXMAN_a8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0),
|
|---|
| 658 | PIXMAN_r3g3b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2),
|
|---|
| 659 | PIXMAN_b2g3r3 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2),
|
|---|
| 660 | PIXMAN_a2r2g2b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2),
|
|---|
| 661 | PIXMAN_a2b2g2r2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2),
|
|---|
| 662 |
|
|---|
| 663 | PIXMAN_c8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
|
|---|
| 664 | PIXMAN_g8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
|
|---|
| 665 |
|
|---|
| 666 | PIXMAN_x4a4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0),
|
|---|
| 667 |
|
|---|
| 668 | PIXMAN_x4c4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
|
|---|
| 669 | PIXMAN_x4g4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
|
|---|
| 670 |
|
|---|
| 671 | /* 4bpp formats */
|
|---|
| 672 | PIXMAN_a4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0),
|
|---|
| 673 | PIXMAN_r1g2b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1),
|
|---|
| 674 | PIXMAN_b1g2r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1),
|
|---|
| 675 | PIXMAN_a1r1g1b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1),
|
|---|
| 676 | PIXMAN_a1b1g1r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1),
|
|---|
| 677 |
|
|---|
| 678 | PIXMAN_c4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0),
|
|---|
| 679 | PIXMAN_g4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0),
|
|---|
| 680 |
|
|---|
| 681 | /* 1bpp formats */
|
|---|
| 682 | PIXMAN_a1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0),
|
|---|
| 683 |
|
|---|
| 684 | PIXMAN_g1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0),
|
|---|
| 685 |
|
|---|
| 686 | /* YUV formats */
|
|---|
| 687 | PIXMAN_yuy2 = PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0),
|
|---|
| 688 | PIXMAN_yv12 = PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0)
|
|---|
| 689 | } pixman_format_code_t;
|
|---|
| 690 |
|
|---|
| 691 | /* Querying supported format values. */
|
|---|
| 692 | pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format);
|
|---|
| 693 | pixman_bool_t pixman_format_supported_source (pixman_format_code_t format);
|
|---|
| 694 |
|
|---|
| 695 | /* Constructors */
|
|---|
| 696 | pixman_image_t *pixman_image_create_solid_fill (pixman_color_t *color);
|
|---|
| 697 | pixman_image_t *pixman_image_create_linear_gradient (pixman_point_fixed_t *p1,
|
|---|
| 698 | pixman_point_fixed_t *p2,
|
|---|
| 699 | const pixman_gradient_stop_t *stops,
|
|---|
| 700 | int n_stops);
|
|---|
| 701 | pixman_image_t *pixman_image_create_radial_gradient (pixman_point_fixed_t *inner,
|
|---|
| 702 | pixman_point_fixed_t *outer,
|
|---|
| 703 | pixman_fixed_t inner_radius,
|
|---|
| 704 | pixman_fixed_t outer_radius,
|
|---|
| 705 | const pixman_gradient_stop_t *stops,
|
|---|
| 706 | int n_stops);
|
|---|
| 707 | pixman_image_t *pixman_image_create_conical_gradient (pixman_point_fixed_t *center,
|
|---|
| 708 | pixman_fixed_t angle,
|
|---|
| 709 | const pixman_gradient_stop_t *stops,
|
|---|
| 710 | int n_stops);
|
|---|
| 711 | pixman_image_t *pixman_image_create_bits (pixman_format_code_t format,
|
|---|
| 712 | int width,
|
|---|
| 713 | int height,
|
|---|
| 714 | uint32_t *bits,
|
|---|
| 715 | int rowstride_bytes);
|
|---|
| 716 |
|
|---|
| 717 | /* Destructor */
|
|---|
| 718 | pixman_image_t *pixman_image_ref (pixman_image_t *image);
|
|---|
| 719 | pixman_bool_t pixman_image_unref (pixman_image_t *image);
|
|---|
| 720 |
|
|---|
| 721 | void pixman_image_set_destroy_function (pixman_image_t *image,
|
|---|
| 722 | pixman_image_destroy_func_t function,
|
|---|
| 723 | void *data);
|
|---|
| 724 |
|
|---|
| 725 | /* Set properties */
|
|---|
| 726 | pixman_bool_t pixman_image_set_clip_region (pixman_image_t *image,
|
|---|
| 727 | pixman_region16_t *region);
|
|---|
| 728 | pixman_bool_t pixman_image_set_clip_region32 (pixman_image_t *image,
|
|---|
| 729 | pixman_region32_t *region);
|
|---|
| 730 | void pixman_image_set_has_client_clip (pixman_image_t *image,
|
|---|
| 731 | pixman_bool_t clien_clip);
|
|---|
| 732 | pixman_bool_t pixman_image_set_transform (pixman_image_t *image,
|
|---|
| 733 | const pixman_transform_t *transform);
|
|---|
| 734 | void pixman_image_set_repeat (pixman_image_t *image,
|
|---|
| 735 | pixman_repeat_t repeat);
|
|---|
| 736 | pixman_bool_t pixman_image_set_filter (pixman_image_t *image,
|
|---|
| 737 | pixman_filter_t filter,
|
|---|
| 738 | const pixman_fixed_t *filter_params,
|
|---|
| 739 | int n_filter_params);
|
|---|
| 740 | void pixman_image_set_source_clipping (pixman_image_t *image,
|
|---|
| 741 | pixman_bool_t source_clipping);
|
|---|
| 742 | void pixman_image_set_alpha_map (pixman_image_t *image,
|
|---|
| 743 | pixman_image_t *alpha_map,
|
|---|
| 744 | int16_t x,
|
|---|
| 745 | int16_t y);
|
|---|
| 746 | void pixman_image_set_component_alpha (pixman_image_t *image,
|
|---|
| 747 | pixman_bool_t component_alpha);
|
|---|
| 748 | void pixman_image_set_accessors (pixman_image_t *image,
|
|---|
| 749 | pixman_read_memory_func_t read_func,
|
|---|
| 750 | pixman_write_memory_func_t write_func);
|
|---|
| 751 | void pixman_image_set_indexed (pixman_image_t *image,
|
|---|
| 752 | const pixman_indexed_t *indexed);
|
|---|
| 753 | uint32_t *pixman_image_get_data (pixman_image_t *image);
|
|---|
| 754 | int pixman_image_get_width (pixman_image_t *image);
|
|---|
| 755 | int pixman_image_get_height (pixman_image_t *image);
|
|---|
| 756 | int pixman_image_get_stride (pixman_image_t *image); /* in bytes */
|
|---|
| 757 | int pixman_image_get_depth (pixman_image_t *image);
|
|---|
| 758 | pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op,
|
|---|
| 759 | pixman_image_t *image,
|
|---|
| 760 | pixman_color_t *color,
|
|---|
| 761 | int n_rects,
|
|---|
| 762 | const pixman_rectangle16_t *rects);
|
|---|
| 763 |
|
|---|
| 764 | /* Composite */
|
|---|
| 765 | pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region,
|
|---|
| 766 | pixman_image_t *src_image,
|
|---|
| 767 | pixman_image_t *mask_image,
|
|---|
| 768 | pixman_image_t *dst_image,
|
|---|
| 769 | int16_t src_x,
|
|---|
| 770 | int16_t src_y,
|
|---|
| 771 | int16_t mask_x,
|
|---|
| 772 | int16_t mask_y,
|
|---|
| 773 | int16_t dest_x,
|
|---|
| 774 | int16_t dest_y,
|
|---|
| 775 | uint16_t width,
|
|---|
| 776 | uint16_t height);
|
|---|
| 777 | void pixman_image_composite (pixman_op_t op,
|
|---|
| 778 | pixman_image_t *src,
|
|---|
| 779 | pixman_image_t *mask,
|
|---|
| 780 | pixman_image_t *dest,
|
|---|
| 781 | int16_t src_x,
|
|---|
| 782 | int16_t src_y,
|
|---|
| 783 | int16_t mask_x,
|
|---|
| 784 | int16_t mask_y,
|
|---|
| 785 | int16_t dest_x,
|
|---|
| 786 | int16_t dest_y,
|
|---|
| 787 | uint16_t width,
|
|---|
| 788 | uint16_t height);
|
|---|
| 789 |
|
|---|
| 790 | /* Old X servers rely on out-of-bounds accesses when they are asked
|
|---|
| 791 | * to composite with a window as the source. They create a pixman image
|
|---|
| 792 | * pointing to some bogus position in memory, but then they set a clip
|
|---|
| 793 | * region to the position where the actual bits are.
|
|---|
| 794 | *
|
|---|
| 795 | * Due to a bug in old versions of pixman, where it would not clip
|
|---|
| 796 | * against the image bounds when a clip region was set, this would
|
|---|
| 797 | * actually work. So by default we allow certain out-of-bound access
|
|---|
| 798 | * to happen unless explicitly disabled.
|
|---|
| 799 | *
|
|---|
| 800 | * Fixed X servers should call this function to disable the workaround.
|
|---|
| 801 | */
|
|---|
| 802 | void pixman_disable_out_of_bounds_workaround (void);
|
|---|
| 803 |
|
|---|
| 804 | /*
|
|---|
| 805 | * Trapezoids
|
|---|
| 806 | */
|
|---|
| 807 | typedef struct pixman_edge pixman_edge_t;
|
|---|
| 808 | typedef struct pixman_trapezoid pixman_trapezoid_t;
|
|---|
| 809 | typedef struct pixman_trap pixman_trap_t;
|
|---|
| 810 | typedef struct pixman_span_fix pixman_span_fix_t;
|
|---|
| 811 |
|
|---|
| 812 | /*
|
|---|
| 813 | * An edge structure. This represents a single polygon edge
|
|---|
| 814 | * and can be quickly stepped across small or large gaps in the
|
|---|
| 815 | * sample grid
|
|---|
| 816 | */
|
|---|
| 817 | struct pixman_edge
|
|---|
| 818 | {
|
|---|
| 819 | pixman_fixed_t x;
|
|---|
| 820 | pixman_fixed_t e;
|
|---|
| 821 | pixman_fixed_t stepx;
|
|---|
| 822 | pixman_fixed_t signdx;
|
|---|
| 823 | pixman_fixed_t dy;
|
|---|
| 824 | pixman_fixed_t dx;
|
|---|
| 825 |
|
|---|
| 826 | pixman_fixed_t stepx_small;
|
|---|
| 827 | pixman_fixed_t stepx_big;
|
|---|
| 828 | pixman_fixed_t dx_small;
|
|---|
| 829 | pixman_fixed_t dx_big;
|
|---|
| 830 | };
|
|---|
| 831 |
|
|---|
| 832 | struct pixman_trapezoid
|
|---|
| 833 | {
|
|---|
| 834 | pixman_fixed_t top, bottom;
|
|---|
| 835 | pixman_line_fixed_t left, right;
|
|---|
| 836 | };
|
|---|
| 837 |
|
|---|
| 838 |
|
|---|
| 839 | /* whether 't' is a well defined not obviously empty trapezoid */
|
|---|
| 840 | #define pixman_trapezoid_valid(t) \
|
|---|
| 841 | ((t)->left.p1.y != (t)->left.p2.y && \
|
|---|
| 842 | (t)->right.p1.y != (t)->right.p2.y && \
|
|---|
| 843 | (int) ((t)->bottom - (t)->top) > 0)
|
|---|
| 844 |
|
|---|
| 845 | struct pixman_span_fix
|
|---|
| 846 | {
|
|---|
| 847 | pixman_fixed_t l, r, y;
|
|---|
| 848 | };
|
|---|
| 849 |
|
|---|
| 850 | struct pixman_trap
|
|---|
| 851 | {
|
|---|
| 852 | pixman_span_fix_t top, bot;
|
|---|
| 853 | };
|
|---|
| 854 |
|
|---|
| 855 | pixman_fixed_t pixman_sample_ceil_y (pixman_fixed_t y,
|
|---|
| 856 | int bpp);
|
|---|
| 857 | pixman_fixed_t pixman_sample_floor_y (pixman_fixed_t y,
|
|---|
| 858 | int bpp);
|
|---|
| 859 | void pixman_edge_step (pixman_edge_t *e,
|
|---|
| 860 | int n);
|
|---|
| 861 | void pixman_edge_init (pixman_edge_t *e,
|
|---|
| 862 | int bpp,
|
|---|
| 863 | pixman_fixed_t y_start,
|
|---|
| 864 | pixman_fixed_t x_top,
|
|---|
| 865 | pixman_fixed_t y_top,
|
|---|
| 866 | pixman_fixed_t x_bot,
|
|---|
| 867 | pixman_fixed_t y_bot);
|
|---|
| 868 | void pixman_line_fixed_edge_init (pixman_edge_t *e,
|
|---|
| 869 | int bpp,
|
|---|
| 870 | pixman_fixed_t y,
|
|---|
| 871 | const pixman_line_fixed_t *line,
|
|---|
| 872 | int x_off,
|
|---|
| 873 | int y_off);
|
|---|
| 874 | void pixman_rasterize_edges (pixman_image_t *image,
|
|---|
| 875 | pixman_edge_t *l,
|
|---|
| 876 | pixman_edge_t *r,
|
|---|
| 877 | pixman_fixed_t t,
|
|---|
| 878 | pixman_fixed_t b);
|
|---|
| 879 | void pixman_add_traps (pixman_image_t *image,
|
|---|
| 880 | int16_t x_off,
|
|---|
| 881 | int16_t y_off,
|
|---|
| 882 | int ntrap,
|
|---|
| 883 | pixman_trap_t *traps);
|
|---|
| 884 | void pixman_add_trapezoids (pixman_image_t *image,
|
|---|
| 885 | int16_t x_off,
|
|---|
| 886 | int y_off,
|
|---|
| 887 | int ntraps,
|
|---|
| 888 | const pixman_trapezoid_t *traps);
|
|---|
| 889 | void pixman_rasterize_trapezoid (pixman_image_t *image,
|
|---|
| 890 | const pixman_trapezoid_t *trap,
|
|---|
| 891 | int x_off,
|
|---|
| 892 | int y_off);
|
|---|
| 893 |
|
|---|
| 894 | #endif /* PIXMAN_H__ */
|
|---|
