jpayne@69: /*********************************************************** jpayne@69: jpayne@69: Copyright 1987, 1998 The Open Group jpayne@69: jpayne@69: Permission to use, copy, modify, distribute, and sell this software and its jpayne@69: documentation for any purpose is hereby granted without fee, provided that jpayne@69: the above copyright notice appear in all copies and that both that jpayne@69: copyright notice and this permission notice appear in supporting jpayne@69: documentation. jpayne@69: jpayne@69: The above copyright notice and this permission notice shall be included in jpayne@69: all copies or substantial portions of the Software. jpayne@69: jpayne@69: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR jpayne@69: IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, jpayne@69: FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE jpayne@69: OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN jpayne@69: AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN jpayne@69: CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. jpayne@69: jpayne@69: Except as contained in this notice, the name of The Open Group shall not be jpayne@69: used in advertising or otherwise to promote the sale, use or other dealings jpayne@69: in this Software without prior written authorization from The Open Group. jpayne@69: jpayne@69: Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. jpayne@69: jpayne@69: All Rights Reserved jpayne@69: jpayne@69: Permission to use, copy, modify, and distribute this software and its jpayne@69: documentation for any purpose and without fee is hereby granted, jpayne@69: provided that the above copyright notice appear in all copies and that jpayne@69: both that copyright notice and this permission notice appear in jpayne@69: supporting documentation, and that the name of Digital not be jpayne@69: used in advertising or publicity pertaining to distribution of the jpayne@69: software without specific, written prior permission. jpayne@69: jpayne@69: DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING jpayne@69: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL jpayne@69: DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR jpayne@69: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, jpayne@69: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, jpayne@69: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS jpayne@69: SOFTWARE. jpayne@69: jpayne@69: ******************************************************************/ jpayne@69: /* jpayne@69: * Copyright © 1998, 2004 Keith Packard jpayne@69: * Copyright 2007 Red Hat, Inc. jpayne@69: * jpayne@69: * Permission to use, copy, modify, distribute, and sell this software and its jpayne@69: * documentation for any purpose is hereby granted without fee, provided that jpayne@69: * the above copyright notice appear in all copies and that both that jpayne@69: * copyright notice and this permission notice appear in supporting jpayne@69: * documentation, and that the name of Keith Packard not be used in jpayne@69: * advertising or publicity pertaining to distribution of the software without jpayne@69: * specific, written prior permission. Keith Packard makes no jpayne@69: * representations about the suitability of this software for any purpose. It jpayne@69: * is provided "as is" without express or implied warranty. jpayne@69: * jpayne@69: * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, jpayne@69: * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO jpayne@69: * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR jpayne@69: * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, jpayne@69: * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER jpayne@69: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR jpayne@69: * PERFORMANCE OF THIS SOFTWARE. jpayne@69: */ jpayne@69: jpayne@69: #ifndef PIXMAN_H__ jpayne@69: #define PIXMAN_H__ jpayne@69: jpayne@69: #include jpayne@69: jpayne@69: #ifdef __cplusplus jpayne@69: #define PIXMAN_BEGIN_DECLS extern "C" { jpayne@69: #define PIXMAN_END_DECLS } jpayne@69: #else jpayne@69: #define PIXMAN_BEGIN_DECLS jpayne@69: #define PIXMAN_END_DECLS jpayne@69: #endif jpayne@69: jpayne@69: PIXMAN_BEGIN_DECLS jpayne@69: jpayne@69: /* jpayne@69: * Standard integers jpayne@69: */ jpayne@69: jpayne@69: #if !defined (PIXMAN_DONT_DEFINE_STDINT) jpayne@69: jpayne@69: #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || defined (_sgi) || defined (__sun) || defined (sun) || defined (__digital__) || defined (__HP_cc) jpayne@69: # include jpayne@69: /* VS 2010 (_MSC_VER 1600) has stdint.h */ jpayne@69: #elif defined (_MSC_VER) && _MSC_VER < 1600 jpayne@69: typedef __int8 int8_t; jpayne@69: typedef unsigned __int8 uint8_t; jpayne@69: typedef __int16 int16_t; jpayne@69: typedef unsigned __int16 uint16_t; jpayne@69: typedef __int32 int32_t; jpayne@69: typedef unsigned __int32 uint32_t; jpayne@69: typedef __int64 int64_t; jpayne@69: typedef unsigned __int64 uint64_t; jpayne@69: #elif defined (_AIX) jpayne@69: # include jpayne@69: #else jpayne@69: # include jpayne@69: #endif jpayne@69: jpayne@69: #endif jpayne@69: jpayne@69: /* jpayne@69: * Boolean jpayne@69: */ jpayne@69: typedef int pixman_bool_t; jpayne@69: jpayne@69: /* jpayne@69: * Fixpoint numbers jpayne@69: */ jpayne@69: typedef int64_t pixman_fixed_32_32_t; jpayne@69: typedef pixman_fixed_32_32_t pixman_fixed_48_16_t; jpayne@69: typedef uint32_t pixman_fixed_1_31_t; jpayne@69: typedef uint32_t pixman_fixed_1_16_t; jpayne@69: typedef int32_t pixman_fixed_16_16_t; jpayne@69: typedef pixman_fixed_16_16_t pixman_fixed_t; jpayne@69: jpayne@69: #define pixman_fixed_e ((pixman_fixed_t) 1) jpayne@69: #define pixman_fixed_1 (pixman_int_to_fixed(1)) jpayne@69: #define pixman_fixed_1_minus_e (pixman_fixed_1 - pixman_fixed_e) jpayne@69: #define pixman_fixed_minus_1 (pixman_int_to_fixed(-1)) jpayne@69: #define pixman_fixed_to_int(f) ((int) ((f) >> 16)) jpayne@69: #define pixman_int_to_fixed(i) ((pixman_fixed_t) ((uint32_t) (i) << 16)) jpayne@69: #define pixman_fixed_to_double(f) (double) ((f) / (double) pixman_fixed_1) jpayne@69: #define pixman_double_to_fixed(d) ((pixman_fixed_t) ((d) * 65536.0)) jpayne@69: #define pixman_fixed_frac(f) ((f) & pixman_fixed_1_minus_e) jpayne@69: #define pixman_fixed_floor(f) ((f) & ~pixman_fixed_1_minus_e) jpayne@69: #define pixman_fixed_ceil(f) pixman_fixed_floor ((f) + pixman_fixed_1_minus_e) jpayne@69: #define pixman_fixed_fraction(f) ((f) & pixman_fixed_1_minus_e) jpayne@69: #define pixman_fixed_mod_2(f) ((f) & (pixman_fixed1 | pixman_fixed_1_minus_e)) jpayne@69: #define pixman_max_fixed_48_16 ((pixman_fixed_48_16_t) 0x7fffffff) jpayne@69: #define pixman_min_fixed_48_16 (-((pixman_fixed_48_16_t) 1 << 31)) jpayne@69: jpayne@69: /* jpayne@69: * Misc structs jpayne@69: */ jpayne@69: typedef struct pixman_color pixman_color_t; jpayne@69: typedef struct pixman_point_fixed pixman_point_fixed_t; jpayne@69: typedef struct pixman_line_fixed pixman_line_fixed_t; jpayne@69: typedef struct pixman_vector pixman_vector_t; jpayne@69: typedef struct pixman_transform pixman_transform_t; jpayne@69: jpayne@69: struct pixman_color jpayne@69: { jpayne@69: uint16_t red; jpayne@69: uint16_t green; jpayne@69: uint16_t blue; jpayne@69: uint16_t alpha; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_point_fixed jpayne@69: { jpayne@69: pixman_fixed_t x; jpayne@69: pixman_fixed_t y; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_line_fixed jpayne@69: { jpayne@69: pixman_point_fixed_t p1, p2; jpayne@69: }; jpayne@69: jpayne@69: /* jpayne@69: * Fixed point matrices jpayne@69: */ jpayne@69: jpayne@69: struct pixman_vector jpayne@69: { jpayne@69: pixman_fixed_t vector[3]; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_transform jpayne@69: { jpayne@69: pixman_fixed_t matrix[3][3]; jpayne@69: }; jpayne@69: jpayne@69: /* forward declaration (sorry) */ jpayne@69: struct pixman_box16; jpayne@69: typedef union pixman_image pixman_image_t; jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_transform_init_identity (struct pixman_transform *matrix); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_point_3d (const struct pixman_transform *transform, jpayne@69: struct pixman_vector *vector); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_point (const struct pixman_transform *transform, jpayne@69: struct pixman_vector *vector); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_multiply (struct pixman_transform *dst, jpayne@69: const struct pixman_transform *l, jpayne@69: const struct pixman_transform *r); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_transform_init_scale (struct pixman_transform *t, jpayne@69: pixman_fixed_t sx, jpayne@69: pixman_fixed_t sy); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_scale (struct pixman_transform *forward, jpayne@69: struct pixman_transform *reverse, jpayne@69: pixman_fixed_t sx, jpayne@69: pixman_fixed_t sy); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_transform_init_rotate (struct pixman_transform *t, jpayne@69: pixman_fixed_t cos, jpayne@69: pixman_fixed_t sin); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_rotate (struct pixman_transform *forward, jpayne@69: struct pixman_transform *reverse, jpayne@69: pixman_fixed_t c, jpayne@69: pixman_fixed_t s); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_transform_init_translate (struct pixman_transform *t, jpayne@69: pixman_fixed_t tx, jpayne@69: pixman_fixed_t ty); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_translate (struct pixman_transform *forward, jpayne@69: struct pixman_transform *reverse, jpayne@69: pixman_fixed_t tx, jpayne@69: pixman_fixed_t ty); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_bounds (const struct pixman_transform *matrix, jpayne@69: struct pixman_box16 *b); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_invert (struct pixman_transform *dst, jpayne@69: const struct pixman_transform *src); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_is_identity (const struct pixman_transform *t); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_is_scale (const struct pixman_transform *t); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_is_int_translate (const struct pixman_transform *t); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_is_inverse (const struct pixman_transform *a, jpayne@69: const struct pixman_transform *b); jpayne@69: jpayne@69: /* jpayne@69: * Floating point matrices jpayne@69: */ jpayne@69: typedef struct pixman_f_transform pixman_f_transform_t; jpayne@69: typedef struct pixman_f_vector pixman_f_vector_t; jpayne@69: jpayne@69: struct pixman_f_vector jpayne@69: { jpayne@69: double v[3]; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_f_transform jpayne@69: { jpayne@69: double m[3][3]; jpayne@69: }; jpayne@69: jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t, jpayne@69: const struct pixman_f_transform *ft); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_f_transform_from_pixman_transform (struct pixman_f_transform *ft, jpayne@69: const struct pixman_transform *t); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_f_transform_invert (struct pixman_f_transform *dst, jpayne@69: const struct pixman_f_transform *src); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_f_transform_point (const struct pixman_f_transform *t, jpayne@69: struct pixman_f_vector *v); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_f_transform_point_3d (const struct pixman_f_transform *t, jpayne@69: struct pixman_f_vector *v); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_f_transform_multiply (struct pixman_f_transform *dst, jpayne@69: const struct pixman_f_transform *l, jpayne@69: const struct pixman_f_transform *r); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_f_transform_init_scale (struct pixman_f_transform *t, jpayne@69: double sx, jpayne@69: double sy); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_f_transform_scale (struct pixman_f_transform *forward, jpayne@69: struct pixman_f_transform *reverse, jpayne@69: double sx, jpayne@69: double sy); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_f_transform_init_rotate (struct pixman_f_transform *t, jpayne@69: double cos, jpayne@69: double sin); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_f_transform_rotate (struct pixman_f_transform *forward, jpayne@69: struct pixman_f_transform *reverse, jpayne@69: double c, jpayne@69: double s); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_f_transform_init_translate (struct pixman_f_transform *t, jpayne@69: double tx, jpayne@69: double ty); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_f_transform_translate (struct pixman_f_transform *forward, jpayne@69: struct pixman_f_transform *reverse, jpayne@69: double tx, jpayne@69: double ty); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_f_transform_bounds (const struct pixman_f_transform *t, jpayne@69: struct pixman_box16 *b); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_f_transform_init_identity (struct pixman_f_transform *t); jpayne@69: jpayne@69: typedef enum jpayne@69: { jpayne@69: PIXMAN_REPEAT_NONE, jpayne@69: PIXMAN_REPEAT_NORMAL, jpayne@69: PIXMAN_REPEAT_PAD, jpayne@69: PIXMAN_REPEAT_REFLECT jpayne@69: } pixman_repeat_t; jpayne@69: jpayne@69: typedef enum jpayne@69: { jpayne@69: PIXMAN_DITHER_NONE, jpayne@69: PIXMAN_DITHER_FAST, jpayne@69: PIXMAN_DITHER_GOOD, jpayne@69: PIXMAN_DITHER_BEST, jpayne@69: PIXMAN_DITHER_ORDERED_BAYER_8, jpayne@69: PIXMAN_DITHER_ORDERED_BLUE_NOISE_64, jpayne@69: } pixman_dither_t; jpayne@69: jpayne@69: typedef enum jpayne@69: { jpayne@69: PIXMAN_FILTER_FAST, jpayne@69: PIXMAN_FILTER_GOOD, jpayne@69: PIXMAN_FILTER_BEST, jpayne@69: PIXMAN_FILTER_NEAREST, jpayne@69: PIXMAN_FILTER_BILINEAR, jpayne@69: PIXMAN_FILTER_CONVOLUTION, jpayne@69: jpayne@69: /* The SEPARABLE_CONVOLUTION filter takes the following parameters: jpayne@69: * jpayne@69: * width: integer given as 16.16 fixpoint number jpayne@69: * height: integer given as 16.16 fixpoint number jpayne@69: * x_phase_bits: integer given as 16.16 fixpoint jpayne@69: * y_phase_bits: integer given as 16.16 fixpoint jpayne@69: * xtables: (1 << x_phase_bits) tables of size width jpayne@69: * ytables: (1 << y_phase_bits) tables of size height jpayne@69: * jpayne@69: * When sampling at (x, y), the location is first rounded to one of jpayne@69: * n_x_phases * n_y_phases subpixel positions. These subpixel positions jpayne@69: * determine an xtable and a ytable to use. jpayne@69: * jpayne@69: * Conceptually a width x height matrix is then formed in which each entry jpayne@69: * is the product of the corresponding entries in the x and y tables. jpayne@69: * This matrix is then aligned with the image pixels such that its center jpayne@69: * is as close as possible to the subpixel location chosen earlier. Then jpayne@69: * the image is convolved with the matrix and the resulting pixel returned. jpayne@69: */ jpayne@69: PIXMAN_FILTER_SEPARABLE_CONVOLUTION jpayne@69: } pixman_filter_t; jpayne@69: jpayne@69: typedef enum jpayne@69: { jpayne@69: PIXMAN_OP_CLEAR = 0x00, jpayne@69: PIXMAN_OP_SRC = 0x01, jpayne@69: PIXMAN_OP_DST = 0x02, jpayne@69: PIXMAN_OP_OVER = 0x03, jpayne@69: PIXMAN_OP_OVER_REVERSE = 0x04, jpayne@69: PIXMAN_OP_IN = 0x05, jpayne@69: PIXMAN_OP_IN_REVERSE = 0x06, jpayne@69: PIXMAN_OP_OUT = 0x07, jpayne@69: PIXMAN_OP_OUT_REVERSE = 0x08, jpayne@69: PIXMAN_OP_ATOP = 0x09, jpayne@69: PIXMAN_OP_ATOP_REVERSE = 0x0a, jpayne@69: PIXMAN_OP_XOR = 0x0b, jpayne@69: PIXMAN_OP_ADD = 0x0c, jpayne@69: PIXMAN_OP_SATURATE = 0x0d, jpayne@69: jpayne@69: PIXMAN_OP_DISJOINT_CLEAR = 0x10, jpayne@69: PIXMAN_OP_DISJOINT_SRC = 0x11, jpayne@69: PIXMAN_OP_DISJOINT_DST = 0x12, jpayne@69: PIXMAN_OP_DISJOINT_OVER = 0x13, jpayne@69: PIXMAN_OP_DISJOINT_OVER_REVERSE = 0x14, jpayne@69: PIXMAN_OP_DISJOINT_IN = 0x15, jpayne@69: PIXMAN_OP_DISJOINT_IN_REVERSE = 0x16, jpayne@69: PIXMAN_OP_DISJOINT_OUT = 0x17, jpayne@69: PIXMAN_OP_DISJOINT_OUT_REVERSE = 0x18, jpayne@69: PIXMAN_OP_DISJOINT_ATOP = 0x19, jpayne@69: PIXMAN_OP_DISJOINT_ATOP_REVERSE = 0x1a, jpayne@69: PIXMAN_OP_DISJOINT_XOR = 0x1b, jpayne@69: jpayne@69: PIXMAN_OP_CONJOINT_CLEAR = 0x20, jpayne@69: PIXMAN_OP_CONJOINT_SRC = 0x21, jpayne@69: PIXMAN_OP_CONJOINT_DST = 0x22, jpayne@69: PIXMAN_OP_CONJOINT_OVER = 0x23, jpayne@69: PIXMAN_OP_CONJOINT_OVER_REVERSE = 0x24, jpayne@69: PIXMAN_OP_CONJOINT_IN = 0x25, jpayne@69: PIXMAN_OP_CONJOINT_IN_REVERSE = 0x26, jpayne@69: PIXMAN_OP_CONJOINT_OUT = 0x27, jpayne@69: PIXMAN_OP_CONJOINT_OUT_REVERSE = 0x28, jpayne@69: PIXMAN_OP_CONJOINT_ATOP = 0x29, jpayne@69: PIXMAN_OP_CONJOINT_ATOP_REVERSE = 0x2a, jpayne@69: PIXMAN_OP_CONJOINT_XOR = 0x2b, jpayne@69: jpayne@69: PIXMAN_OP_MULTIPLY = 0x30, jpayne@69: PIXMAN_OP_SCREEN = 0x31, jpayne@69: PIXMAN_OP_OVERLAY = 0x32, jpayne@69: PIXMAN_OP_DARKEN = 0x33, jpayne@69: PIXMAN_OP_LIGHTEN = 0x34, jpayne@69: PIXMAN_OP_COLOR_DODGE = 0x35, jpayne@69: PIXMAN_OP_COLOR_BURN = 0x36, jpayne@69: PIXMAN_OP_HARD_LIGHT = 0x37, jpayne@69: PIXMAN_OP_SOFT_LIGHT = 0x38, jpayne@69: PIXMAN_OP_DIFFERENCE = 0x39, jpayne@69: PIXMAN_OP_EXCLUSION = 0x3a, jpayne@69: PIXMAN_OP_HSL_HUE = 0x3b, jpayne@69: PIXMAN_OP_HSL_SATURATION = 0x3c, jpayne@69: PIXMAN_OP_HSL_COLOR = 0x3d, jpayne@69: PIXMAN_OP_HSL_LUMINOSITY = 0x3e jpayne@69: jpayne@69: #ifdef PIXMAN_USE_INTERNAL_API jpayne@69: , jpayne@69: PIXMAN_N_OPERATORS, jpayne@69: PIXMAN_OP_NONE = PIXMAN_N_OPERATORS jpayne@69: #endif jpayne@69: } pixman_op_t; jpayne@69: jpayne@69: /* jpayne@69: * Regions jpayne@69: */ jpayne@69: typedef struct pixman_region16_data pixman_region16_data_t; jpayne@69: typedef struct pixman_box16 pixman_box16_t; jpayne@69: typedef struct pixman_rectangle16 pixman_rectangle16_t; jpayne@69: typedef struct pixman_region16 pixman_region16_t; jpayne@69: jpayne@69: struct pixman_region16_data { jpayne@69: long size; jpayne@69: long numRects; jpayne@69: /* pixman_box16_t rects[size]; in memory but not explicitly declared */ jpayne@69: }; jpayne@69: jpayne@69: struct pixman_rectangle16 jpayne@69: { jpayne@69: int16_t x, y; jpayne@69: uint16_t width, height; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_box16 jpayne@69: { jpayne@69: int16_t x1, y1, x2, y2; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_region16 jpayne@69: { jpayne@69: pixman_box16_t extents; jpayne@69: pixman_region16_data_t *data; jpayne@69: }; jpayne@69: jpayne@69: typedef enum jpayne@69: { jpayne@69: PIXMAN_REGION_OUT, jpayne@69: PIXMAN_REGION_IN, jpayne@69: PIXMAN_REGION_PART jpayne@69: } pixman_region_overlap_t; jpayne@69: jpayne@69: /* This function exists only to make it possible to preserve jpayne@69: * the X ABI - it should go away at first opportunity. jpayne@69: */ jpayne@69: PIXMAN_API jpayne@69: void pixman_region_set_static_pointers (pixman_box16_t *empty_box, jpayne@69: pixman_region16_data_t *empty_data, jpayne@69: pixman_region16_data_t *broken_data); jpayne@69: jpayne@69: /* creation/destruction */ jpayne@69: PIXMAN_API jpayne@69: void pixman_region_init (pixman_region16_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region_init_rect (pixman_region16_t *region, jpayne@69: int x, jpayne@69: int y, jpayne@69: unsigned int width, jpayne@69: unsigned int height); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_init_rects (pixman_region16_t *region, jpayne@69: const pixman_box16_t *boxes, jpayne@69: int count); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region_init_with_extents (pixman_region16_t *region, jpayne@69: const pixman_box16_t *extents); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region_init_from_image (pixman_region16_t *region, jpayne@69: pixman_image_t *image); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region_fini (pixman_region16_t *region); jpayne@69: jpayne@69: jpayne@69: /* manipulation */ jpayne@69: PIXMAN_API jpayne@69: void pixman_region_translate (pixman_region16_t *region, jpayne@69: int x, jpayne@69: int y); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_copy (pixman_region16_t *dest, jpayne@69: const pixman_region16_t *source); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg, jpayne@69: const pixman_region16_t *reg1, jpayne@69: const pixman_region16_t *reg2); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_union (pixman_region16_t *new_reg, jpayne@69: const pixman_region16_t *reg1, jpayne@69: const pixman_region16_t *reg2); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_union_rect (pixman_region16_t *dest, jpayne@69: const pixman_region16_t *source, jpayne@69: int x, jpayne@69: int y, jpayne@69: unsigned int width, jpayne@69: unsigned int height); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_intersect_rect (pixman_region16_t *dest, jpayne@69: const pixman_region16_t *source, jpayne@69: int x, jpayne@69: int y, jpayne@69: unsigned int width, jpayne@69: unsigned int height); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d, jpayne@69: const pixman_region16_t *reg_m, jpayne@69: const pixman_region16_t *reg_s); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_inverse (pixman_region16_t *new_reg, jpayne@69: const pixman_region16_t *reg1, jpayne@69: const pixman_box16_t *inv_rect); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_contains_point (const pixman_region16_t *region, jpayne@69: int x, jpayne@69: int y, jpayne@69: pixman_box16_t *box); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_region_overlap_t pixman_region_contains_rectangle (const pixman_region16_t *region, jpayne@69: const pixman_box16_t *prect); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_empty (const pixman_region16_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_not_empty (const pixman_region16_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_box16_t * pixman_region_extents (const pixman_region16_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: int pixman_region_n_rects (const pixman_region16_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_box16_t * pixman_region_rectangles (const pixman_region16_t *region, jpayne@69: int *n_rects); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_equal (const pixman_region16_t *region1, jpayne@69: const pixman_region16_t *region2); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region_selfcheck (pixman_region16_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region_reset (pixman_region16_t *region, jpayne@69: const pixman_box16_t *box); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region_clear (pixman_region16_t *region); jpayne@69: /* jpayne@69: * 32 bit regions jpayne@69: */ jpayne@69: typedef struct pixman_region32_data pixman_region32_data_t; jpayne@69: typedef struct pixman_box32 pixman_box32_t; jpayne@69: typedef struct pixman_rectangle32 pixman_rectangle32_t; jpayne@69: typedef struct pixman_region32 pixman_region32_t; jpayne@69: jpayne@69: struct pixman_region32_data { jpayne@69: long size; jpayne@69: long numRects; jpayne@69: /* pixman_box32_t rects[size]; in memory but not explicitly declared */ jpayne@69: }; jpayne@69: jpayne@69: struct pixman_rectangle32 jpayne@69: { jpayne@69: int32_t x, y; jpayne@69: uint32_t width, height; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_box32 jpayne@69: { jpayne@69: int32_t x1, y1, x2, y2; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_region32 jpayne@69: { jpayne@69: pixman_box32_t extents; jpayne@69: pixman_region32_data_t *data; jpayne@69: }; jpayne@69: jpayne@69: /* creation/destruction */ jpayne@69: PIXMAN_API jpayne@69: void pixman_region32_init (pixman_region32_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region32_init_rect (pixman_region32_t *region, jpayne@69: int x, jpayne@69: int y, jpayne@69: unsigned int width, jpayne@69: unsigned int height); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_init_rects (pixman_region32_t *region, jpayne@69: const pixman_box32_t *boxes, jpayne@69: int count); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region32_init_with_extents (pixman_region32_t *region, jpayne@69: const pixman_box32_t *extents); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region32_init_from_image (pixman_region32_t *region, jpayne@69: pixman_image_t *image); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region32_fini (pixman_region32_t *region); jpayne@69: jpayne@69: jpayne@69: /* manipulation */ jpayne@69: PIXMAN_API jpayne@69: void pixman_region32_translate (pixman_region32_t *region, jpayne@69: int x, jpayne@69: int y); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_copy (pixman_region32_t *dest, jpayne@69: const pixman_region32_t *source); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_intersect (pixman_region32_t *new_reg, jpayne@69: const pixman_region32_t *reg1, jpayne@69: const pixman_region32_t *reg2); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_union (pixman_region32_t *new_reg, jpayne@69: const pixman_region32_t *reg1, jpayne@69: const pixman_region32_t *reg2); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_intersect_rect (pixman_region32_t *dest, jpayne@69: const pixman_region32_t *source, jpayne@69: int x, jpayne@69: int y, jpayne@69: unsigned int width, jpayne@69: unsigned int height); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_union_rect (pixman_region32_t *dest, jpayne@69: const pixman_region32_t *source, jpayne@69: int x, jpayne@69: int y, jpayne@69: unsigned int width, jpayne@69: unsigned int height); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_subtract (pixman_region32_t *reg_d, jpayne@69: const pixman_region32_t *reg_m, jpayne@69: const pixman_region32_t *reg_s); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_inverse (pixman_region32_t *new_reg, jpayne@69: const pixman_region32_t *reg1, jpayne@69: const pixman_box32_t *inv_rect); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_contains_point (const pixman_region32_t *region, jpayne@69: int x, jpayne@69: int y, jpayne@69: pixman_box32_t *box); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_region_overlap_t pixman_region32_contains_rectangle (const pixman_region32_t *region, jpayne@69: const pixman_box32_t *prect); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_empty (const pixman_region32_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_not_empty (const pixman_region32_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_box32_t * pixman_region32_extents (const pixman_region32_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: int pixman_region32_n_rects (const pixman_region32_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_box32_t * pixman_region32_rectangles (const pixman_region32_t *region, jpayne@69: int *n_rects); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_equal (const pixman_region32_t *region1, jpayne@69: const pixman_region32_t *region2); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_region32_selfcheck (pixman_region32_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region32_reset (pixman_region32_t *region, jpayne@69: const pixman_box32_t *box); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_region32_clear (pixman_region32_t *region); jpayne@69: jpayne@69: jpayne@69: /* Copy / Fill / Misc */ jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_blt (uint32_t *src_bits, jpayne@69: uint32_t *dst_bits, jpayne@69: int src_stride, jpayne@69: int dst_stride, jpayne@69: int src_bpp, jpayne@69: int dst_bpp, jpayne@69: int src_x, jpayne@69: int src_y, jpayne@69: int dest_x, jpayne@69: int dest_y, jpayne@69: int width, jpayne@69: int height); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_fill (uint32_t *bits, jpayne@69: int stride, jpayne@69: int bpp, jpayne@69: int x, jpayne@69: int y, jpayne@69: int width, jpayne@69: int height, jpayne@69: uint32_t _xor); jpayne@69: jpayne@69: jpayne@69: PIXMAN_API jpayne@69: int pixman_version (void); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: const char* pixman_version_string (void); jpayne@69: jpayne@69: /* jpayne@69: * Images jpayne@69: */ jpayne@69: typedef struct pixman_indexed pixman_indexed_t; jpayne@69: typedef struct pixman_gradient_stop pixman_gradient_stop_t; jpayne@69: jpayne@69: typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size); jpayne@69: typedef void (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size); jpayne@69: jpayne@69: typedef void (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data); jpayne@69: jpayne@69: struct pixman_gradient_stop { jpayne@69: pixman_fixed_t x; jpayne@69: pixman_color_t color; jpayne@69: }; jpayne@69: jpayne@69: #define PIXMAN_MAX_INDEXED 256 /* XXX depth must be <= 8 */ jpayne@69: jpayne@69: #if PIXMAN_MAX_INDEXED <= 256 jpayne@69: typedef uint8_t pixman_index_type; jpayne@69: #endif jpayne@69: jpayne@69: struct pixman_indexed jpayne@69: { jpayne@69: pixman_bool_t color; jpayne@69: uint32_t rgba[PIXMAN_MAX_INDEXED]; jpayne@69: pixman_index_type ent[32768]; jpayne@69: }; jpayne@69: jpayne@69: /* jpayne@69: * While the protocol is generous in format support, the jpayne@69: * sample implementation allows only packed RGB and GBR jpayne@69: * representations for data to simplify software rendering, jpayne@69: */ jpayne@69: #define PIXMAN_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \ jpayne@69: ((type) << 16) | \ jpayne@69: ((a) << 12) | \ jpayne@69: ((r) << 8) | \ jpayne@69: ((g) << 4) | \ jpayne@69: ((b))) jpayne@69: jpayne@69: #define PIXMAN_FORMAT_BYTE(bpp,type,a,r,g,b) \ jpayne@69: (((bpp >> 3) << 24) | \ jpayne@69: (3 << 22) | ((type) << 16) | \ jpayne@69: ((a >> 3) << 12) | \ jpayne@69: ((r >> 3) << 8) | \ jpayne@69: ((g >> 3) << 4) | \ jpayne@69: ((b >> 3))) jpayne@69: jpayne@69: #define PIXMAN_FORMAT_RESHIFT(val, ofs, num) \ jpayne@69: (((val >> (ofs)) & ((1 << (num)) - 1)) << ((val >> 22) & 3)) jpayne@69: jpayne@69: #define PIXMAN_FORMAT_BPP(f) PIXMAN_FORMAT_RESHIFT(f, 24, 8) jpayne@69: #define PIXMAN_FORMAT_SHIFT(f) ((uint32_t)((f >> 22) & 3)) jpayne@69: #define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0x3f) jpayne@69: #define PIXMAN_FORMAT_A(f) PIXMAN_FORMAT_RESHIFT(f, 12, 4) jpayne@69: #define PIXMAN_FORMAT_R(f) PIXMAN_FORMAT_RESHIFT(f, 8, 4) jpayne@69: #define PIXMAN_FORMAT_G(f) PIXMAN_FORMAT_RESHIFT(f, 4, 4) jpayne@69: #define PIXMAN_FORMAT_B(f) PIXMAN_FORMAT_RESHIFT(f, 0, 4) jpayne@69: #define PIXMAN_FORMAT_RGB(f) (((f) ) & 0xfff) jpayne@69: #define PIXMAN_FORMAT_VIS(f) (((f) ) & 0xffff) jpayne@69: #define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \ jpayne@69: PIXMAN_FORMAT_R(f) + \ jpayne@69: PIXMAN_FORMAT_G(f) + \ jpayne@69: PIXMAN_FORMAT_B(f)) jpayne@69: jpayne@69: #define PIXMAN_TYPE_OTHER 0 jpayne@69: #define PIXMAN_TYPE_A 1 jpayne@69: #define PIXMAN_TYPE_ARGB 2 jpayne@69: #define PIXMAN_TYPE_ABGR 3 jpayne@69: #define PIXMAN_TYPE_COLOR 4 jpayne@69: #define PIXMAN_TYPE_GRAY 5 jpayne@69: #define PIXMAN_TYPE_YUY2 6 jpayne@69: #define PIXMAN_TYPE_YV12 7 jpayne@69: #define PIXMAN_TYPE_BGRA 8 jpayne@69: #define PIXMAN_TYPE_RGBA 9 jpayne@69: #define PIXMAN_TYPE_ARGB_SRGB 10 jpayne@69: #define PIXMAN_TYPE_RGBA_FLOAT 11 jpayne@69: jpayne@69: #define PIXMAN_FORMAT_COLOR(f) \ jpayne@69: (PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB || \ jpayne@69: PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR || \ jpayne@69: PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA || \ jpayne@69: PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_RGBA || \ jpayne@69: PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_RGBA_FLOAT) jpayne@69: jpayne@69: typedef enum { jpayne@69: /* 128bpp formats */ jpayne@69: PIXMAN_rgba_float = PIXMAN_FORMAT_BYTE(128,PIXMAN_TYPE_RGBA_FLOAT,32,32,32,32), jpayne@69: /* 96bpp formats */ jpayne@69: PIXMAN_rgb_float = PIXMAN_FORMAT_BYTE(96,PIXMAN_TYPE_RGBA_FLOAT,0,32,32,32), jpayne@69: jpayne@69: /* 32bpp formats */ jpayne@69: PIXMAN_a8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8), jpayne@69: PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8), jpayne@69: PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8), jpayne@69: PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8), jpayne@69: PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8), jpayne@69: PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8), jpayne@69: PIXMAN_r8g8b8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_RGBA,8,8,8,8), jpayne@69: PIXMAN_r8g8b8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_RGBA,0,8,8,8), jpayne@69: PIXMAN_x14r6g6b6 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,6,6,6), jpayne@69: PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10), jpayne@69: PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10), jpayne@69: PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10), jpayne@69: PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10), jpayne@69: jpayne@69: /* sRGB formats */ jpayne@69: PIXMAN_a8r8g8b8_sRGB = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB_SRGB,8,8,8,8), jpayne@69: PIXMAN_r8g8b8_sRGB = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB_SRGB,0,8,8,8), jpayne@69: jpayne@69: /* 24bpp formats */ jpayne@69: PIXMAN_r8g8b8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8), jpayne@69: PIXMAN_b8g8r8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8), jpayne@69: jpayne@69: /* 16bpp formats */ jpayne@69: PIXMAN_r5g6b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5), jpayne@69: PIXMAN_b5g6r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5), jpayne@69: jpayne@69: PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5), jpayne@69: PIXMAN_x1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5), jpayne@69: PIXMAN_a1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5), jpayne@69: PIXMAN_x1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5), jpayne@69: PIXMAN_a4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4), jpayne@69: PIXMAN_x4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4), jpayne@69: PIXMAN_a4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4), jpayne@69: PIXMAN_x4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4), jpayne@69: jpayne@69: /* 8bpp formats */ jpayne@69: PIXMAN_a8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0), jpayne@69: PIXMAN_r3g3b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2), jpayne@69: PIXMAN_b2g3r3 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2), jpayne@69: PIXMAN_a2r2g2b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2), jpayne@69: PIXMAN_a2b2g2r2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2), jpayne@69: jpayne@69: PIXMAN_c8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0), jpayne@69: PIXMAN_g8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0), jpayne@69: jpayne@69: PIXMAN_x4a4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0), jpayne@69: jpayne@69: PIXMAN_x4c4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0), jpayne@69: PIXMAN_x4g4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0), jpayne@69: jpayne@69: /* 4bpp formats */ jpayne@69: PIXMAN_a4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0), jpayne@69: PIXMAN_r1g2b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1), jpayne@69: PIXMAN_b1g2r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1), jpayne@69: PIXMAN_a1r1g1b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1), jpayne@69: PIXMAN_a1b1g1r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1), jpayne@69: jpayne@69: PIXMAN_c4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0), jpayne@69: PIXMAN_g4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0), jpayne@69: jpayne@69: /* 1bpp formats */ jpayne@69: PIXMAN_a1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0), jpayne@69: jpayne@69: PIXMAN_g1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0), jpayne@69: jpayne@69: /* YUV formats */ jpayne@69: PIXMAN_yuy2 = PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0), jpayne@69: PIXMAN_yv12 = PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0) jpayne@69: } pixman_format_code_t; jpayne@69: jpayne@69: /* Querying supported format values. */ jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_format_supported_source (pixman_format_code_t format); jpayne@69: jpayne@69: /* Constructors */ jpayne@69: PIXMAN_API jpayne@69: pixman_image_t *pixman_image_create_solid_fill (const pixman_color_t *color); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_image_t *pixman_image_create_linear_gradient (const pixman_point_fixed_t *p1, jpayne@69: const pixman_point_fixed_t *p2, jpayne@69: const pixman_gradient_stop_t *stops, jpayne@69: int n_stops); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_image_t *pixman_image_create_radial_gradient (const pixman_point_fixed_t *inner, jpayne@69: const pixman_point_fixed_t *outer, jpayne@69: pixman_fixed_t inner_radius, jpayne@69: pixman_fixed_t outer_radius, jpayne@69: const pixman_gradient_stop_t *stops, jpayne@69: int n_stops); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_image_t *pixman_image_create_conical_gradient (const pixman_point_fixed_t *center, jpayne@69: pixman_fixed_t angle, jpayne@69: const pixman_gradient_stop_t *stops, jpayne@69: int n_stops); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_image_t *pixman_image_create_bits (pixman_format_code_t format, jpayne@69: int width, jpayne@69: int height, jpayne@69: uint32_t *bits, jpayne@69: int rowstride_bytes); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_image_t *pixman_image_create_bits_no_clear (pixman_format_code_t format, jpayne@69: int width, jpayne@69: int height, jpayne@69: uint32_t * bits, jpayne@69: int rowstride_bytes); jpayne@69: jpayne@69: /* Destructor */ jpayne@69: PIXMAN_API jpayne@69: pixman_image_t *pixman_image_ref (pixman_image_t *image); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_image_unref (pixman_image_t *image); jpayne@69: jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_destroy_function (pixman_image_t *image, jpayne@69: pixman_image_destroy_func_t function, jpayne@69: void *data); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void * pixman_image_get_destroy_data (pixman_image_t *image); jpayne@69: jpayne@69: /* Set properties */ jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_image_set_clip_region (pixman_image_t *image, jpayne@69: const pixman_region16_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_image_set_clip_region32 (pixman_image_t *image, jpayne@69: const pixman_region32_t *region); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_has_client_clip (pixman_image_t *image, jpayne@69: pixman_bool_t clien_clip); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_image_set_transform (pixman_image_t *image, jpayne@69: const pixman_transform_t *transform); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_repeat (pixman_image_t *image, jpayne@69: pixman_repeat_t repeat); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_dither (pixman_image_t *image, jpayne@69: pixman_dither_t dither); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_dither_offset (pixman_image_t *image, jpayne@69: int offset_x, jpayne@69: int offset_y); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_image_set_filter (pixman_image_t *image, jpayne@69: pixman_filter_t filter, jpayne@69: const pixman_fixed_t *filter_params, jpayne@69: int n_filter_params); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_source_clipping (pixman_image_t *image, jpayne@69: pixman_bool_t source_clipping); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_alpha_map (pixman_image_t *image, jpayne@69: pixman_image_t *alpha_map, jpayne@69: int16_t x, jpayne@69: int16_t y); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_component_alpha (pixman_image_t *image, jpayne@69: pixman_bool_t component_alpha); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_image_get_component_alpha (pixman_image_t *image); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_accessors (pixman_image_t *image, jpayne@69: pixman_read_memory_func_t read_func, jpayne@69: pixman_write_memory_func_t write_func); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_set_indexed (pixman_image_t *image, jpayne@69: const pixman_indexed_t *indexed); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: uint32_t *pixman_image_get_data (pixman_image_t *image); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: int pixman_image_get_width (pixman_image_t *image); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: int pixman_image_get_height (pixman_image_t *image); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: int pixman_image_get_stride (pixman_image_t *image); /* in bytes */ jpayne@69: jpayne@69: PIXMAN_API jpayne@69: int pixman_image_get_depth (pixman_image_t *image); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_format_code_t pixman_image_get_format (pixman_image_t *image); jpayne@69: jpayne@69: typedef enum jpayne@69: { jpayne@69: PIXMAN_KERNEL_IMPULSE, jpayne@69: PIXMAN_KERNEL_BOX, jpayne@69: PIXMAN_KERNEL_LINEAR, jpayne@69: PIXMAN_KERNEL_CUBIC, jpayne@69: PIXMAN_KERNEL_GAUSSIAN, jpayne@69: PIXMAN_KERNEL_LANCZOS2, jpayne@69: PIXMAN_KERNEL_LANCZOS3, jpayne@69: PIXMAN_KERNEL_LANCZOS3_STRETCHED /* Jim Blinn's 'nice' filter */ jpayne@69: } pixman_kernel_t; jpayne@69: jpayne@69: /* Create the parameter list for a SEPARABLE_CONVOLUTION filter jpayne@69: * with the given kernels and scale parameters. jpayne@69: */ jpayne@69: PIXMAN_API jpayne@69: pixman_fixed_t * jpayne@69: pixman_filter_create_separable_convolution (int *n_values, jpayne@69: pixman_fixed_t scale_x, jpayne@69: pixman_fixed_t scale_y, jpayne@69: pixman_kernel_t reconstruct_x, jpayne@69: pixman_kernel_t reconstruct_y, jpayne@69: pixman_kernel_t sample_x, jpayne@69: pixman_kernel_t sample_y, jpayne@69: int subsample_bits_x, jpayne@69: int subsample_bits_y); jpayne@69: jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op, jpayne@69: pixman_image_t *image, jpayne@69: const pixman_color_t *color, jpayne@69: int n_rects, jpayne@69: const pixman_rectangle16_t *rects); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_image_fill_boxes (pixman_op_t op, jpayne@69: pixman_image_t *dest, jpayne@69: const pixman_color_t *color, jpayne@69: int n_boxes, jpayne@69: const pixman_box32_t *boxes); jpayne@69: jpayne@69: /* Composite */ jpayne@69: PIXMAN_API jpayne@69: pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region, jpayne@69: pixman_image_t *src_image, jpayne@69: pixman_image_t *mask_image, jpayne@69: pixman_image_t *dest_image, jpayne@69: int16_t src_x, jpayne@69: int16_t src_y, jpayne@69: int16_t mask_x, jpayne@69: int16_t mask_y, jpayne@69: int16_t dest_x, jpayne@69: int16_t dest_y, jpayne@69: uint16_t width, jpayne@69: uint16_t height); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_composite (pixman_op_t op, jpayne@69: pixman_image_t *src, jpayne@69: pixman_image_t *mask, jpayne@69: pixman_image_t *dest, jpayne@69: int16_t src_x, jpayne@69: int16_t src_y, jpayne@69: int16_t mask_x, jpayne@69: int16_t mask_y, jpayne@69: int16_t dest_x, jpayne@69: int16_t dest_y, jpayne@69: uint16_t width, jpayne@69: uint16_t height); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_image_composite32 (pixman_op_t op, jpayne@69: pixman_image_t *src, jpayne@69: pixman_image_t *mask, jpayne@69: pixman_image_t *dest, jpayne@69: int32_t src_x, jpayne@69: int32_t src_y, jpayne@69: int32_t mask_x, jpayne@69: int32_t mask_y, jpayne@69: int32_t dest_x, jpayne@69: int32_t dest_y, jpayne@69: int32_t width, jpayne@69: int32_t height); jpayne@69: jpayne@69: /* Executive Summary: This function is a no-op that only exists jpayne@69: * for historical reasons. jpayne@69: * jpayne@69: * There used to be a bug in the X server where it would rely on jpayne@69: * out-of-bounds accesses when it was asked to composite with a jpayne@69: * window as the source. It would create a pixman image pointing jpayne@69: * to some bogus position in memory, but then set a clip region jpayne@69: * to the position where the actual bits were. jpayne@69: * jpayne@69: * Due to a bug in old versions of pixman, where it would not clip jpayne@69: * against the image bounds when a clip region was set, this would jpayne@69: * actually work. So when the pixman bug was fixed, a workaround was jpayne@69: * added to allow certain out-of-bound accesses. This function disabled jpayne@69: * those workarounds. jpayne@69: * jpayne@69: * Since 0.21.2, pixman doesn't do these workarounds anymore, so now this jpayne@69: * function is a no-op. jpayne@69: */ jpayne@69: PIXMAN_API jpayne@69: void pixman_disable_out_of_bounds_workaround (void); jpayne@69: jpayne@69: /* jpayne@69: * Glyphs jpayne@69: */ jpayne@69: typedef struct pixman_glyph_cache_t pixman_glyph_cache_t; jpayne@69: typedef struct jpayne@69: { jpayne@69: int x, y; jpayne@69: const void *glyph; jpayne@69: } pixman_glyph_t; jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_glyph_cache_t *pixman_glyph_cache_create (void); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_glyph_cache_destroy (pixman_glyph_cache_t *cache); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_glyph_cache_freeze (pixman_glyph_cache_t *cache); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_glyph_cache_thaw (pixman_glyph_cache_t *cache); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: const void * pixman_glyph_cache_lookup (pixman_glyph_cache_t *cache, jpayne@69: void *font_key, jpayne@69: void *glyph_key); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: const void * pixman_glyph_cache_insert (pixman_glyph_cache_t *cache, jpayne@69: void *font_key, jpayne@69: void *glyph_key, jpayne@69: int origin_x, jpayne@69: int origin_y, jpayne@69: pixman_image_t *glyph_image); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_glyph_cache_remove (pixman_glyph_cache_t *cache, jpayne@69: void *font_key, jpayne@69: void *glyph_key); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_glyph_get_extents (pixman_glyph_cache_t *cache, jpayne@69: int n_glyphs, jpayne@69: pixman_glyph_t *glyphs, jpayne@69: pixman_box32_t *extents); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_format_code_t pixman_glyph_get_mask_format (pixman_glyph_cache_t *cache, jpayne@69: int n_glyphs, jpayne@69: const pixman_glyph_t *glyphs); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_composite_glyphs (pixman_op_t op, jpayne@69: pixman_image_t *src, jpayne@69: pixman_image_t *dest, jpayne@69: pixman_format_code_t mask_format, jpayne@69: int32_t src_x, jpayne@69: int32_t src_y, jpayne@69: int32_t mask_x, jpayne@69: int32_t mask_y, jpayne@69: int32_t dest_x, jpayne@69: int32_t dest_y, jpayne@69: int32_t width, jpayne@69: int32_t height, jpayne@69: pixman_glyph_cache_t *cache, jpayne@69: int n_glyphs, jpayne@69: const pixman_glyph_t *glyphs); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_composite_glyphs_no_mask (pixman_op_t op, jpayne@69: pixman_image_t *src, jpayne@69: pixman_image_t *dest, jpayne@69: int32_t src_x, jpayne@69: int32_t src_y, jpayne@69: int32_t dest_x, jpayne@69: int32_t dest_y, jpayne@69: pixman_glyph_cache_t *cache, jpayne@69: int n_glyphs, jpayne@69: const pixman_glyph_t *glyphs); jpayne@69: jpayne@69: /* jpayne@69: * Trapezoids jpayne@69: */ jpayne@69: typedef struct pixman_edge pixman_edge_t; jpayne@69: typedef struct pixman_trapezoid pixman_trapezoid_t; jpayne@69: typedef struct pixman_trap pixman_trap_t; jpayne@69: typedef struct pixman_span_fix pixman_span_fix_t; jpayne@69: typedef struct pixman_triangle pixman_triangle_t; jpayne@69: jpayne@69: /* jpayne@69: * An edge structure. This represents a single polygon edge jpayne@69: * and can be quickly stepped across small or large gaps in the jpayne@69: * sample grid jpayne@69: */ jpayne@69: struct pixman_edge jpayne@69: { jpayne@69: pixman_fixed_t x; jpayne@69: pixman_fixed_t e; jpayne@69: pixman_fixed_t stepx; jpayne@69: pixman_fixed_t signdx; jpayne@69: pixman_fixed_t dy; jpayne@69: pixman_fixed_t dx; jpayne@69: jpayne@69: pixman_fixed_t stepx_small; jpayne@69: pixman_fixed_t stepx_big; jpayne@69: pixman_fixed_t dx_small; jpayne@69: pixman_fixed_t dx_big; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_trapezoid jpayne@69: { jpayne@69: pixman_fixed_t top, bottom; jpayne@69: pixman_line_fixed_t left, right; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_triangle jpayne@69: { jpayne@69: pixman_point_fixed_t p1, p2, p3; jpayne@69: }; jpayne@69: jpayne@69: /* whether 't' is a well defined not obviously empty trapezoid */ jpayne@69: #define pixman_trapezoid_valid(t) \ jpayne@69: ((t)->left.p1.y != (t)->left.p2.y && \ jpayne@69: (t)->right.p1.y != (t)->right.p2.y && \ jpayne@69: ((t)->bottom > (t)->top)) jpayne@69: jpayne@69: struct pixman_span_fix jpayne@69: { jpayne@69: pixman_fixed_t l, r, y; jpayne@69: }; jpayne@69: jpayne@69: struct pixman_trap jpayne@69: { jpayne@69: pixman_span_fix_t top, bot; jpayne@69: }; jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_fixed_t pixman_sample_ceil_y (pixman_fixed_t y, jpayne@69: int bpp); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: pixman_fixed_t pixman_sample_floor_y (pixman_fixed_t y, jpayne@69: int bpp); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_edge_step (pixman_edge_t *e, jpayne@69: int n); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_edge_init (pixman_edge_t *e, jpayne@69: int bpp, jpayne@69: pixman_fixed_t y_start, jpayne@69: pixman_fixed_t x_top, jpayne@69: pixman_fixed_t y_top, jpayne@69: pixman_fixed_t x_bot, jpayne@69: pixman_fixed_t y_bot); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_line_fixed_edge_init (pixman_edge_t *e, jpayne@69: int bpp, jpayne@69: pixman_fixed_t y, jpayne@69: const pixman_line_fixed_t *line, jpayne@69: int x_off, jpayne@69: int y_off); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_rasterize_edges (pixman_image_t *image, jpayne@69: pixman_edge_t *l, jpayne@69: pixman_edge_t *r, jpayne@69: pixman_fixed_t t, jpayne@69: pixman_fixed_t b); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_add_traps (pixman_image_t *image, jpayne@69: int16_t x_off, jpayne@69: int16_t y_off, jpayne@69: int ntrap, jpayne@69: const pixman_trap_t *traps); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_add_trapezoids (pixman_image_t *image, jpayne@69: int16_t x_off, jpayne@69: int y_off, jpayne@69: int ntraps, jpayne@69: const pixman_trapezoid_t *traps); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_rasterize_trapezoid (pixman_image_t *image, jpayne@69: const pixman_trapezoid_t *trap, jpayne@69: int x_off, jpayne@69: int y_off); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_composite_trapezoids (pixman_op_t op, jpayne@69: pixman_image_t * src, jpayne@69: pixman_image_t * dst, jpayne@69: pixman_format_code_t mask_format, jpayne@69: int x_src, jpayne@69: int y_src, jpayne@69: int x_dst, jpayne@69: int y_dst, jpayne@69: int n_traps, jpayne@69: const pixman_trapezoid_t * traps); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_composite_triangles (pixman_op_t op, jpayne@69: pixman_image_t * src, jpayne@69: pixman_image_t * dst, jpayne@69: pixman_format_code_t mask_format, jpayne@69: int x_src, jpayne@69: int y_src, jpayne@69: int x_dst, jpayne@69: int y_dst, jpayne@69: int n_tris, jpayne@69: const pixman_triangle_t * tris); jpayne@69: jpayne@69: PIXMAN_API jpayne@69: void pixman_add_triangles (pixman_image_t *image, jpayne@69: int32_t x_off, jpayne@69: int32_t y_off, jpayne@69: int n_tris, jpayne@69: const pixman_triangle_t *tris); jpayne@69: jpayne@69: PIXMAN_END_DECLS jpayne@69: jpayne@69: #endif /* PIXMAN_H__ */