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-rw-r--r--pixman/pixman/pixman.h1886
1 files changed, 950 insertions, 936 deletions
diff --git a/pixman/pixman/pixman.h b/pixman/pixman/pixman.h
index 964d04ab9..08494c467 100644
--- a/pixman/pixman/pixman.h
+++ b/pixman/pixman/pixman.h
@@ -1,936 +1,950 @@
-/***********************************************************
-
-Copyright 1987, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-/*
- * Copyright © 1998, 2004 Keith Packard
- * Copyright 2007 Red Hat, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifndef PIXMAN_H__
-#define PIXMAN_H__
-
-#include <pixman-version.h>
-
-#ifdef __cplusplus
-#define PIXMAN_BEGIN_DECLS extern "C" {
-#define PIXMAN_END_DECLS }
-#else
-#define PIXMAN_BEGIN_DECLS
-#define PIXMAN_END_DECLS
-#endif
-
-PIXMAN_BEGIN_DECLS
-
-/*
- * Standard integers
- */
-
-#if !defined (PIXMAN_DONT_DEFINE_STDINT)
-
-#if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || defined (_sgi) || defined (__sun) || defined (sun) || defined (__digital__) || defined (__HP_cc)
-# include <inttypes.h>
-/* VS 2010 (_MSC_VER 1600) has stdint.h */
-#elif defined (_MSC_VER) && _MSC_VER < 1600
-typedef __int8 int8_t;
-typedef unsigned __int8 uint8_t;
-typedef __int16 int16_t;
-typedef unsigned __int16 uint16_t;
-typedef __int32 int32_t;
-typedef unsigned __int32 uint32_t;
-typedef __int64 int64_t;
-typedef unsigned __int64 uint64_t;
-#elif defined (_AIX)
-# include <sys/inttypes.h>
-#else
-# include <stdint.h>
-#endif
-
-#endif
-
-/*
- * Boolean
- */
-typedef int pixman_bool_t;
-
-/*
- * Fixpoint numbers
- */
-typedef int64_t pixman_fixed_32_32_t;
-typedef pixman_fixed_32_32_t pixman_fixed_48_16_t;
-typedef uint32_t pixman_fixed_1_31_t;
-typedef uint32_t pixman_fixed_1_16_t;
-typedef int32_t pixman_fixed_16_16_t;
-typedef pixman_fixed_16_16_t pixman_fixed_t;
-
-#define pixman_fixed_e ((pixman_fixed_t) 1)
-#define pixman_fixed_1 (pixman_int_to_fixed(1))
-#define pixman_fixed_1_minus_e (pixman_fixed_1 - pixman_fixed_e)
-#define pixman_fixed_minus_1 (pixman_int_to_fixed(-1))
-#define pixman_fixed_to_int(f) ((int) ((f) >> 16))
-#define pixman_int_to_fixed(i) ((pixman_fixed_t) ((i) << 16))
-#define pixman_fixed_to_double(f) (double) ((f) / (double) pixman_fixed_1)
-#define pixman_double_to_fixed(d) ((pixman_fixed_t) ((d) * 65536.0))
-#define pixman_fixed_frac(f) ((f) & pixman_fixed_1_minus_e)
-#define pixman_fixed_floor(f) ((f) & ~pixman_fixed_1_minus_e)
-#define pixman_fixed_ceil(f) pixman_fixed_floor ((f) + pixman_fixed_1_minus_e)
-#define pixman_fixed_fraction(f) ((f) & pixman_fixed_1_minus_e)
-#define pixman_fixed_mod_2(f) ((f) & (pixman_fixed1 | pixman_fixed_1_minus_e))
-#define pixman_max_fixed_48_16 ((pixman_fixed_48_16_t) 0x7fffffff)
-#define pixman_min_fixed_48_16 (-((pixman_fixed_48_16_t) 1 << 31))
-
-/*
- * Misc structs
- */
-typedef struct pixman_color pixman_color_t;
-typedef struct pixman_point_fixed pixman_point_fixed_t;
-typedef struct pixman_line_fixed pixman_line_fixed_t;
-typedef struct pixman_vector pixman_vector_t;
-typedef struct pixman_transform pixman_transform_t;
-
-struct pixman_color
-{
- uint16_t red;
- uint16_t green;
- uint16_t blue;
- uint16_t alpha;
-};
-
-struct pixman_point_fixed
-{
- pixman_fixed_t x;
- pixman_fixed_t y;
-};
-
-struct pixman_line_fixed
-{
- pixman_point_fixed_t p1, p2;
-};
-
-/*
- * Fixed point matrices
- */
-
-struct pixman_vector
-{
- pixman_fixed_t vector[3];
-};
-
-struct pixman_transform
-{
- pixman_fixed_t matrix[3][3];
-};
-
-/* forward declaration (sorry) */
-struct pixman_box16;
-typedef union pixman_image pixman_image_t;
-
-void pixman_transform_init_identity (struct pixman_transform *matrix);
-pixman_bool_t pixman_transform_point_3d (const struct pixman_transform *transform,
- struct pixman_vector *vector);
-pixman_bool_t pixman_transform_point (const struct pixman_transform *transform,
- struct pixman_vector *vector);
-pixman_bool_t pixman_transform_multiply (struct pixman_transform *dst,
- const struct pixman_transform *l,
- const struct pixman_transform *r);
-void pixman_transform_init_scale (struct pixman_transform *t,
- pixman_fixed_t sx,
- pixman_fixed_t sy);
-pixman_bool_t pixman_transform_scale (struct pixman_transform *forward,
- struct pixman_transform *reverse,
- pixman_fixed_t sx,
- pixman_fixed_t sy);
-void pixman_transform_init_rotate (struct pixman_transform *t,
- pixman_fixed_t cos,
- pixman_fixed_t sin);
-pixman_bool_t pixman_transform_rotate (struct pixman_transform *forward,
- struct pixman_transform *reverse,
- pixman_fixed_t c,
- pixman_fixed_t s);
-void pixman_transform_init_translate (struct pixman_transform *t,
- pixman_fixed_t tx,
- pixman_fixed_t ty);
-pixman_bool_t pixman_transform_translate (struct pixman_transform *forward,
- struct pixman_transform *reverse,
- pixman_fixed_t tx,
- pixman_fixed_t ty);
-pixman_bool_t pixman_transform_bounds (const struct pixman_transform *matrix,
- struct pixman_box16 *b);
-pixman_bool_t pixman_transform_invert (struct pixman_transform *dst,
- const struct pixman_transform *src);
-pixman_bool_t pixman_transform_is_identity (const struct pixman_transform *t);
-pixman_bool_t pixman_transform_is_scale (const struct pixman_transform *t);
-pixman_bool_t pixman_transform_is_int_translate (const struct pixman_transform *t);
-pixman_bool_t pixman_transform_is_inverse (const struct pixman_transform *a,
- const struct pixman_transform *b);
-
-/*
- * Floating point matrices
- */
-struct pixman_f_vector
-{
- double v[3];
-};
-
-struct pixman_f_transform
-{
- double m[3][3];
-};
-
-pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t,
- const struct pixman_f_transform *ft);
-void pixman_f_transform_from_pixman_transform (struct pixman_f_transform *ft,
- const struct pixman_transform *t);
-pixman_bool_t pixman_f_transform_invert (struct pixman_f_transform *dst,
- const struct pixman_f_transform *src);
-pixman_bool_t pixman_f_transform_point (const struct pixman_f_transform *t,
- struct pixman_f_vector *v);
-void pixman_f_transform_point_3d (const struct pixman_f_transform *t,
- struct pixman_f_vector *v);
-void pixman_f_transform_multiply (struct pixman_f_transform *dst,
- const struct pixman_f_transform *l,
- const struct pixman_f_transform *r);
-void pixman_f_transform_init_scale (struct pixman_f_transform *t,
- double sx,
- double sy);
-pixman_bool_t pixman_f_transform_scale (struct pixman_f_transform *forward,
- struct pixman_f_transform *reverse,
- double sx,
- double sy);
-void pixman_f_transform_init_rotate (struct pixman_f_transform *t,
- double cos,
- double sin);
-pixman_bool_t pixman_f_transform_rotate (struct pixman_f_transform *forward,
- struct pixman_f_transform *reverse,
- double c,
- double s);
-void pixman_f_transform_init_translate (struct pixman_f_transform *t,
- double tx,
- double ty);
-pixman_bool_t pixman_f_transform_translate (struct pixman_f_transform *forward,
- struct pixman_f_transform *reverse,
- double tx,
- double ty);
-pixman_bool_t pixman_f_transform_bounds (const struct pixman_f_transform *t,
- struct pixman_box16 *b);
-void pixman_f_transform_init_identity (struct pixman_f_transform *t);
-
-typedef enum
-{
- PIXMAN_REPEAT_NONE,
- PIXMAN_REPEAT_NORMAL,
- PIXMAN_REPEAT_PAD,
- PIXMAN_REPEAT_REFLECT
-} pixman_repeat_t;
-
-typedef enum
-{
- PIXMAN_FILTER_FAST,
- PIXMAN_FILTER_GOOD,
- PIXMAN_FILTER_BEST,
- PIXMAN_FILTER_NEAREST,
- PIXMAN_FILTER_BILINEAR,
- PIXMAN_FILTER_CONVOLUTION
-} pixman_filter_t;
-
-typedef enum
-{
- PIXMAN_OP_CLEAR = 0x00,
- PIXMAN_OP_SRC = 0x01,
- PIXMAN_OP_DST = 0x02,
- PIXMAN_OP_OVER = 0x03,
- PIXMAN_OP_OVER_REVERSE = 0x04,
- PIXMAN_OP_IN = 0x05,
- PIXMAN_OP_IN_REVERSE = 0x06,
- PIXMAN_OP_OUT = 0x07,
- PIXMAN_OP_OUT_REVERSE = 0x08,
- PIXMAN_OP_ATOP = 0x09,
- PIXMAN_OP_ATOP_REVERSE = 0x0a,
- PIXMAN_OP_XOR = 0x0b,
- PIXMAN_OP_ADD = 0x0c,
- PIXMAN_OP_SATURATE = 0x0d,
-
- PIXMAN_OP_DISJOINT_CLEAR = 0x10,
- PIXMAN_OP_DISJOINT_SRC = 0x11,
- PIXMAN_OP_DISJOINT_DST = 0x12,
- PIXMAN_OP_DISJOINT_OVER = 0x13,
- PIXMAN_OP_DISJOINT_OVER_REVERSE = 0x14,
- PIXMAN_OP_DISJOINT_IN = 0x15,
- PIXMAN_OP_DISJOINT_IN_REVERSE = 0x16,
- PIXMAN_OP_DISJOINT_OUT = 0x17,
- PIXMAN_OP_DISJOINT_OUT_REVERSE = 0x18,
- PIXMAN_OP_DISJOINT_ATOP = 0x19,
- PIXMAN_OP_DISJOINT_ATOP_REVERSE = 0x1a,
- PIXMAN_OP_DISJOINT_XOR = 0x1b,
-
- PIXMAN_OP_CONJOINT_CLEAR = 0x20,
- PIXMAN_OP_CONJOINT_SRC = 0x21,
- PIXMAN_OP_CONJOINT_DST = 0x22,
- PIXMAN_OP_CONJOINT_OVER = 0x23,
- PIXMAN_OP_CONJOINT_OVER_REVERSE = 0x24,
- PIXMAN_OP_CONJOINT_IN = 0x25,
- PIXMAN_OP_CONJOINT_IN_REVERSE = 0x26,
- PIXMAN_OP_CONJOINT_OUT = 0x27,
- PIXMAN_OP_CONJOINT_OUT_REVERSE = 0x28,
- PIXMAN_OP_CONJOINT_ATOP = 0x29,
- PIXMAN_OP_CONJOINT_ATOP_REVERSE = 0x2a,
- PIXMAN_OP_CONJOINT_XOR = 0x2b,
-
- PIXMAN_OP_MULTIPLY = 0x30,
- PIXMAN_OP_SCREEN = 0x31,
- PIXMAN_OP_OVERLAY = 0x32,
- PIXMAN_OP_DARKEN = 0x33,
- PIXMAN_OP_LIGHTEN = 0x34,
- PIXMAN_OP_COLOR_DODGE = 0x35,
- PIXMAN_OP_COLOR_BURN = 0x36,
- PIXMAN_OP_HARD_LIGHT = 0x37,
- PIXMAN_OP_SOFT_LIGHT = 0x38,
- PIXMAN_OP_DIFFERENCE = 0x39,
- PIXMAN_OP_EXCLUSION = 0x3a,
- PIXMAN_OP_HSL_HUE = 0x3b,
- PIXMAN_OP_HSL_SATURATION = 0x3c,
- PIXMAN_OP_HSL_COLOR = 0x3d,
- PIXMAN_OP_HSL_LUMINOSITY = 0x3e
-
-#ifdef PIXMAN_USE_INTERNAL_API
- ,
- PIXMAN_N_OPERATORS,
- PIXMAN_OP_NONE = PIXMAN_N_OPERATORS
-#endif
-} pixman_op_t;
-
-/*
- * Regions
- */
-typedef struct pixman_region16_data pixman_region16_data_t;
-typedef struct pixman_box16 pixman_box16_t;
-typedef struct pixman_rectangle16 pixman_rectangle16_t;
-typedef struct pixman_region16 pixman_region16_t;
-
-struct pixman_region16_data {
- long size;
- long numRects;
-/* pixman_box16_t rects[size]; in memory but not explicitly declared */
-};
-
-struct pixman_rectangle16
-{
- int16_t x, y;
- uint16_t width, height;
-};
-
-struct pixman_box16
-{
- int16_t x1, y1, x2, y2;
-};
-
-struct pixman_region16
-{
- pixman_box16_t extents;
- pixman_region16_data_t *data;
-};
-
-typedef enum
-{
- PIXMAN_REGION_OUT,
- PIXMAN_REGION_IN,
- PIXMAN_REGION_PART
-} pixman_region_overlap_t;
-
-/* This function exists only to make it possible to preserve
- * the X ABI - it should go away at first opportunity.
- */
-void pixman_region_set_static_pointers (pixman_box16_t *empty_box,
- pixman_region16_data_t *empty_data,
- pixman_region16_data_t *broken_data);
-
-/* creation/destruction */
-void pixman_region_init (pixman_region16_t *region);
-void pixman_region_init_rect (pixman_region16_t *region,
- int x,
- int y,
- unsigned int width,
- unsigned int height);
-pixman_bool_t pixman_region_init_rects (pixman_region16_t *region,
- const pixman_box16_t *boxes,
- int count);
-void pixman_region_init_with_extents (pixman_region16_t *region,
- pixman_box16_t *extents);
-void pixman_region_init_from_image (pixman_region16_t *region,
- pixman_image_t *image);
-void pixman_region_fini (pixman_region16_t *region);
-
-
-
-/* manipulation */
-void pixman_region_translate (pixman_region16_t *region,
- int x,
- int y);
-pixman_bool_t pixman_region_copy (pixman_region16_t *dest,
- pixman_region16_t *source);
-pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg,
- pixman_region16_t *reg1,
- pixman_region16_t *reg2);
-pixman_bool_t pixman_region_union (pixman_region16_t *new_reg,
- pixman_region16_t *reg1,
- pixman_region16_t *reg2);
-pixman_bool_t pixman_region_union_rect (pixman_region16_t *dest,
- pixman_region16_t *source,
- int x,
- int y,
- unsigned int width,
- unsigned int height);
-pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d,
- pixman_region16_t *reg_m,
- pixman_region16_t *reg_s);
-pixman_bool_t pixman_region_inverse (pixman_region16_t *new_reg,
- pixman_region16_t *reg1,
- pixman_box16_t *inv_rect);
-pixman_bool_t pixman_region_contains_point (pixman_region16_t *region,
- int x,
- int y,
- pixman_box16_t *box);
-pixman_region_overlap_t pixman_region_contains_rectangle (pixman_region16_t *region,
- pixman_box16_t *prect);
-pixman_bool_t pixman_region_not_empty (pixman_region16_t *region);
-pixman_box16_t * pixman_region_extents (pixman_region16_t *region);
-int pixman_region_n_rects (pixman_region16_t *region);
-pixman_box16_t * pixman_region_rectangles (pixman_region16_t *region,
- int *n_rects);
-pixman_bool_t pixman_region_equal (pixman_region16_t *region1,
- pixman_region16_t *region2);
-pixman_bool_t pixman_region_selfcheck (pixman_region16_t *region);
-void pixman_region_reset (pixman_region16_t *region,
- pixman_box16_t *box);
-/*
- * 32 bit regions
- */
-typedef struct pixman_region32_data pixman_region32_data_t;
-typedef struct pixman_box32 pixman_box32_t;
-typedef struct pixman_rectangle32 pixman_rectangle32_t;
-typedef struct pixman_region32 pixman_region32_t;
-
-struct pixman_region32_data {
- long size;
- long numRects;
-/* pixman_box32_t rects[size]; in memory but not explicitly declared */
-};
-
-struct pixman_rectangle32
-{
- int32_t x, y;
- uint32_t width, height;
-};
-
-struct pixman_box32
-{
- int32_t x1, y1, x2, y2;
-};
-
-struct pixman_region32
-{
- pixman_box32_t extents;
- pixman_region32_data_t *data;
-};
-
-/* creation/destruction */
-void pixman_region32_init (pixman_region32_t *region);
-void pixman_region32_init_rect (pixman_region32_t *region,
- int x,
- int y,
- unsigned int width,
- unsigned int height);
-pixman_bool_t pixman_region32_init_rects (pixman_region32_t *region,
- const pixman_box32_t *boxes,
- int count);
-void pixman_region32_init_with_extents (pixman_region32_t *region,
- pixman_box32_t *extents);
-void pixman_region32_init_from_image (pixman_region32_t *region,
- pixman_image_t *image);
-void pixman_region32_fini (pixman_region32_t *region);
-
-
-/* manipulation */
-void pixman_region32_translate (pixman_region32_t *region,
- int x,
- int y);
-pixman_bool_t pixman_region32_copy (pixman_region32_t *dest,
- pixman_region32_t *source);
-pixman_bool_t pixman_region32_intersect (pixman_region32_t *new_reg,
- pixman_region32_t *reg1,
- pixman_region32_t *reg2);
-pixman_bool_t pixman_region32_union (pixman_region32_t *new_reg,
- pixman_region32_t *reg1,
- pixman_region32_t *reg2);
-pixman_bool_t pixman_region32_union_rect (pixman_region32_t *dest,
- pixman_region32_t *source,
- int x,
- int y,
- unsigned int width,
- unsigned int height);
-pixman_bool_t pixman_region32_subtract (pixman_region32_t *reg_d,
- pixman_region32_t *reg_m,
- pixman_region32_t *reg_s);
-pixman_bool_t pixman_region32_inverse (pixman_region32_t *new_reg,
- pixman_region32_t *reg1,
- pixman_box32_t *inv_rect);
-pixman_bool_t pixman_region32_contains_point (pixman_region32_t *region,
- int x,
- int y,
- pixman_box32_t *box);
-pixman_region_overlap_t pixman_region32_contains_rectangle (pixman_region32_t *region,
- pixman_box32_t *prect);
-pixman_bool_t pixman_region32_not_empty (pixman_region32_t *region);
-pixman_box32_t * pixman_region32_extents (pixman_region32_t *region);
-int pixman_region32_n_rects (pixman_region32_t *region);
-pixman_box32_t * pixman_region32_rectangles (pixman_region32_t *region,
- int *n_rects);
-pixman_bool_t pixman_region32_equal (pixman_region32_t *region1,
- pixman_region32_t *region2);
-pixman_bool_t pixman_region32_selfcheck (pixman_region32_t *region);
-void pixman_region32_reset (pixman_region32_t *region,
- pixman_box32_t *box);
-
-
-/* Copy / Fill / Misc */
-pixman_bool_t pixman_blt (uint32_t *src_bits,
- uint32_t *dst_bits,
- int src_stride,
- int dst_stride,
- int src_bpp,
- int dst_bpp,
- int src_x,
- int src_y,
- int dst_x,
- int dst_y,
- int width,
- int height);
-pixman_bool_t pixman_fill (uint32_t *bits,
- int stride,
- int bpp,
- int x,
- int y,
- int width,
- int height,
- uint32_t _xor);
-
-int pixman_version (void);
-const char* pixman_version_string (void);
-
-/*
- * Images
- */
-typedef struct pixman_indexed pixman_indexed_t;
-typedef struct pixman_gradient_stop pixman_gradient_stop_t;
-
-typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size);
-typedef void (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size);
-
-typedef void (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data);
-
-struct pixman_gradient_stop {
- pixman_fixed_t x;
- pixman_color_t color;
-};
-
-#define PIXMAN_MAX_INDEXED 256 /* XXX depth must be <= 8 */
-
-#if PIXMAN_MAX_INDEXED <= 256
-typedef uint8_t pixman_index_type;
-#endif
-
-struct pixman_indexed
-{
- pixman_bool_t color;
- uint32_t rgba[PIXMAN_MAX_INDEXED];
- pixman_index_type ent[32768];
-};
-
-/*
- * While the protocol is generous in format support, the
- * sample implementation allows only packed RGB and GBR
- * representations for data to simplify software rendering,
- */
-#define PIXMAN_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \
- ((type) << 16) | \
- ((a) << 12) | \
- ((r) << 8) | \
- ((g) << 4) | \
- ((b)))
-
-#define PIXMAN_FORMAT_BPP(f) (((f) >> 24) )
-#define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0xff)
-#define PIXMAN_FORMAT_A(f) (((f) >> 12) & 0x0f)
-#define PIXMAN_FORMAT_R(f) (((f) >> 8) & 0x0f)
-#define PIXMAN_FORMAT_G(f) (((f) >> 4) & 0x0f)
-#define PIXMAN_FORMAT_B(f) (((f) ) & 0x0f)
-#define PIXMAN_FORMAT_RGB(f) (((f) ) & 0xfff)
-#define PIXMAN_FORMAT_VIS(f) (((f) ) & 0xffff)
-#define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \
- PIXMAN_FORMAT_R(f) + \
- PIXMAN_FORMAT_G(f) + \
- PIXMAN_FORMAT_B(f))
-
-#define PIXMAN_TYPE_OTHER 0
-#define PIXMAN_TYPE_A 1
-#define PIXMAN_TYPE_ARGB 2
-#define PIXMAN_TYPE_ABGR 3
-#define PIXMAN_TYPE_COLOR 4
-#define PIXMAN_TYPE_GRAY 5
-#define PIXMAN_TYPE_YUY2 6
-#define PIXMAN_TYPE_YV12 7
-#define PIXMAN_TYPE_BGRA 8
-
-#define PIXMAN_FORMAT_COLOR(f) \
- (PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB || \
- PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR || \
- PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA)
-
-/* 32bpp formats */
-typedef enum {
- PIXMAN_a8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8),
- PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8),
- PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8),
- PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8),
- PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8),
- PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8),
- PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10),
- PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10),
- PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10),
- PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10),
-
-/* 24bpp formats */
- PIXMAN_r8g8b8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8),
- PIXMAN_b8g8r8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8),
-
-/* 16bpp formats */
- PIXMAN_r5g6b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5),
- PIXMAN_b5g6r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5),
-
- PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5),
- PIXMAN_x1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5),
- PIXMAN_a1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5),
- PIXMAN_x1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5),
- PIXMAN_a4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4),
- PIXMAN_x4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4),
- PIXMAN_a4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4),
- PIXMAN_x4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4),
-
-/* 8bpp formats */
- PIXMAN_a8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0),
- PIXMAN_r3g3b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2),
- PIXMAN_b2g3r3 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2),
- PIXMAN_a2r2g2b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2),
- PIXMAN_a2b2g2r2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2),
-
- PIXMAN_c8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
- PIXMAN_g8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
-
- PIXMAN_x4a4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0),
-
- PIXMAN_x4c4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
- PIXMAN_x4g4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
-
-/* 4bpp formats */
- PIXMAN_a4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0),
- PIXMAN_r1g2b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1),
- PIXMAN_b1g2r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1),
- PIXMAN_a1r1g1b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1),
- PIXMAN_a1b1g1r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1),
-
- PIXMAN_c4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0),
- PIXMAN_g4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0),
-
-/* 1bpp formats */
- PIXMAN_a1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0),
-
- PIXMAN_g1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0),
-
-/* YUV formats */
- PIXMAN_yuy2 = PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0),
- PIXMAN_yv12 = PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0)
-} pixman_format_code_t;
-
-/* Querying supported format values. */
-pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format);
-pixman_bool_t pixman_format_supported_source (pixman_format_code_t format);
-
-/* Constructors */
-pixman_image_t *pixman_image_create_solid_fill (pixman_color_t *color);
-pixman_image_t *pixman_image_create_linear_gradient (pixman_point_fixed_t *p1,
- pixman_point_fixed_t *p2,
- const pixman_gradient_stop_t *stops,
- int n_stops);
-pixman_image_t *pixman_image_create_radial_gradient (pixman_point_fixed_t *inner,
- pixman_point_fixed_t *outer,
- pixman_fixed_t inner_radius,
- pixman_fixed_t outer_radius,
- const pixman_gradient_stop_t *stops,
- int n_stops);
-pixman_image_t *pixman_image_create_conical_gradient (pixman_point_fixed_t *center,
- pixman_fixed_t angle,
- const pixman_gradient_stop_t *stops,
- int n_stops);
-pixman_image_t *pixman_image_create_bits (pixman_format_code_t format,
- int width,
- int height,
- uint32_t *bits,
- int rowstride_bytes);
-
-/* Destructor */
-pixman_image_t *pixman_image_ref (pixman_image_t *image);
-pixman_bool_t pixman_image_unref (pixman_image_t *image);
-
-void pixman_image_set_destroy_function (pixman_image_t *image,
- pixman_image_destroy_func_t function,
- void *data);
-void * pixman_image_get_destroy_data (pixman_image_t *image);
-
-/* Set properties */
-pixman_bool_t pixman_image_set_clip_region (pixman_image_t *image,
- pixman_region16_t *region);
-pixman_bool_t pixman_image_set_clip_region32 (pixman_image_t *image,
- pixman_region32_t *region);
-void pixman_image_set_has_client_clip (pixman_image_t *image,
- pixman_bool_t clien_clip);
-pixman_bool_t pixman_image_set_transform (pixman_image_t *image,
- const pixman_transform_t *transform);
-void pixman_image_set_repeat (pixman_image_t *image,
- pixman_repeat_t repeat);
-pixman_bool_t pixman_image_set_filter (pixman_image_t *image,
- pixman_filter_t filter,
- const pixman_fixed_t *filter_params,
- int n_filter_params);
-void pixman_image_set_source_clipping (pixman_image_t *image,
- pixman_bool_t source_clipping);
-void pixman_image_set_alpha_map (pixman_image_t *image,
- pixman_image_t *alpha_map,
- int16_t x,
- int16_t y);
-void pixman_image_set_component_alpha (pixman_image_t *image,
- pixman_bool_t component_alpha);
-void pixman_image_set_accessors (pixman_image_t *image,
- pixman_read_memory_func_t read_func,
- pixman_write_memory_func_t write_func);
-void pixman_image_set_indexed (pixman_image_t *image,
- const pixman_indexed_t *indexed);
-uint32_t *pixman_image_get_data (pixman_image_t *image);
-int pixman_image_get_width (pixman_image_t *image);
-int pixman_image_get_height (pixman_image_t *image);
-int pixman_image_get_stride (pixman_image_t *image); /* in bytes */
-int pixman_image_get_depth (pixman_image_t *image);
-pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op,
- pixman_image_t *image,
- pixman_color_t *color,
- int n_rects,
- const pixman_rectangle16_t *rects);
-pixman_bool_t pixman_image_fill_boxes (pixman_op_t op,
- pixman_image_t *dest,
- pixman_color_t *color,
- int n_boxes,
- const pixman_box32_t *boxes);
-
-/* Composite */
-pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region,
- pixman_image_t *src_image,
- pixman_image_t *mask_image,
- pixman_image_t *dst_image,
- int16_t src_x,
- int16_t src_y,
- int16_t mask_x,
- int16_t mask_y,
- int16_t dest_x,
- int16_t dest_y,
- uint16_t width,
- uint16_t height);
-void pixman_image_composite (pixman_op_t op,
- pixman_image_t *src,
- pixman_image_t *mask,
- pixman_image_t *dest,
- int16_t src_x,
- int16_t src_y,
- int16_t mask_x,
- int16_t mask_y,
- int16_t dest_x,
- int16_t dest_y,
- uint16_t width,
- uint16_t height);
-void pixman_image_composite32 (pixman_op_t op,
- pixman_image_t *src,
- pixman_image_t *mask,
- pixman_image_t *dest,
- int32_t src_x,
- int32_t src_y,
- int32_t mask_x,
- int32_t mask_y,
- int32_t dest_x,
- int32_t dest_y,
- int32_t width,
- int32_t height);
-
-/* Old X servers rely on out-of-bounds accesses when they are asked
- * to composite with a window as the source. They create a pixman image
- * pointing to some bogus position in memory, but then they set a clip
- * region to the position where the actual bits are.
- *
- * Due to a bug in old versions of pixman, where it would not clip
- * against the image bounds when a clip region was set, this would
- * actually work. So by default we allow certain out-of-bound access
- * to happen unless explicitly disabled.
- *
- * Fixed X servers should call this function to disable the workaround.
- */
-void pixman_disable_out_of_bounds_workaround (void);
-
-/*
- * Trapezoids
- */
-typedef struct pixman_edge pixman_edge_t;
-typedef struct pixman_trapezoid pixman_trapezoid_t;
-typedef struct pixman_trap pixman_trap_t;
-typedef struct pixman_span_fix pixman_span_fix_t;
-
-/*
- * An edge structure. This represents a single polygon edge
- * and can be quickly stepped across small or large gaps in the
- * sample grid
- */
-struct pixman_edge
-{
- pixman_fixed_t x;
- pixman_fixed_t e;
- pixman_fixed_t stepx;
- pixman_fixed_t signdx;
- pixman_fixed_t dy;
- pixman_fixed_t dx;
-
- pixman_fixed_t stepx_small;
- pixman_fixed_t stepx_big;
- pixman_fixed_t dx_small;
- pixman_fixed_t dx_big;
-};
-
-struct pixman_trapezoid
-{
- pixman_fixed_t top, bottom;
- pixman_line_fixed_t left, right;
-};
-
-
-/* whether 't' is a well defined not obviously empty trapezoid */
-#define pixman_trapezoid_valid(t) \
- ((t)->left.p1.y != (t)->left.p2.y && \
- (t)->right.p1.y != (t)->right.p2.y && \
- (int) ((t)->bottom - (t)->top) > 0)
-
-struct pixman_span_fix
-{
- pixman_fixed_t l, r, y;
-};
-
-struct pixman_trap
-{
- pixman_span_fix_t top, bot;
-};
-
-pixman_fixed_t pixman_sample_ceil_y (pixman_fixed_t y,
- int bpp);
-pixman_fixed_t pixman_sample_floor_y (pixman_fixed_t y,
- int bpp);
-void pixman_edge_step (pixman_edge_t *e,
- int n);
-void pixman_edge_init (pixman_edge_t *e,
- int bpp,
- pixman_fixed_t y_start,
- pixman_fixed_t x_top,
- pixman_fixed_t y_top,
- pixman_fixed_t x_bot,
- pixman_fixed_t y_bot);
-void pixman_line_fixed_edge_init (pixman_edge_t *e,
- int bpp,
- pixman_fixed_t y,
- const pixman_line_fixed_t *line,
- int x_off,
- int y_off);
-void pixman_rasterize_edges (pixman_image_t *image,
- pixman_edge_t *l,
- pixman_edge_t *r,
- pixman_fixed_t t,
- pixman_fixed_t b);
-void pixman_add_traps (pixman_image_t *image,
- int16_t x_off,
- int16_t y_off,
- int ntrap,
- pixman_trap_t *traps);
-void pixman_add_trapezoids (pixman_image_t *image,
- int16_t x_off,
- int y_off,
- int ntraps,
- const pixman_trapezoid_t *traps);
-void pixman_rasterize_trapezoid (pixman_image_t *image,
- const pixman_trapezoid_t *trap,
- int x_off,
- int y_off);
-
-PIXMAN_END_DECLS
-
-#endif /* PIXMAN_H__ */
+/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+/*
+ * Copyright © 1998, 2004 Keith Packard
+ * Copyright 2007 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef PIXMAN_H__
+#define PIXMAN_H__
+
+#include <pixman-version.h>
+
+#ifdef __cplusplus
+#define PIXMAN_BEGIN_DECLS extern "C" {
+#define PIXMAN_END_DECLS }
+#else
+#define PIXMAN_BEGIN_DECLS
+#define PIXMAN_END_DECLS
+#endif
+
+PIXMAN_BEGIN_DECLS
+
+/*
+ * Standard integers
+ */
+
+#if !defined (PIXMAN_DONT_DEFINE_STDINT)
+
+#if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || defined (_sgi) || defined (__sun) || defined (sun) || defined (__digital__) || defined (__HP_cc)
+# include <inttypes.h>
+/* VS 2010 (_MSC_VER 1600) has stdint.h */
+#elif defined (_MSC_VER) && _MSC_VER < 1600
+typedef __int8 int8_t;
+typedef unsigned __int8 uint8_t;
+typedef __int16 int16_t;
+typedef unsigned __int16 uint16_t;
+typedef __int32 int32_t;
+typedef unsigned __int32 uint32_t;
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#elif defined (_AIX)
+# include <sys/inttypes.h>
+#else
+# include <stdint.h>
+#endif
+
+#endif
+
+/*
+ * Boolean
+ */
+typedef int pixman_bool_t;
+
+/*
+ * Fixpoint numbers
+ */
+typedef int64_t pixman_fixed_32_32_t;
+typedef pixman_fixed_32_32_t pixman_fixed_48_16_t;
+typedef uint32_t pixman_fixed_1_31_t;
+typedef uint32_t pixman_fixed_1_16_t;
+typedef int32_t pixman_fixed_16_16_t;
+typedef pixman_fixed_16_16_t pixman_fixed_t;
+
+#define pixman_fixed_e ((pixman_fixed_t) 1)
+#define pixman_fixed_1 (pixman_int_to_fixed(1))
+#define pixman_fixed_1_minus_e (pixman_fixed_1 - pixman_fixed_e)
+#define pixman_fixed_minus_1 (pixman_int_to_fixed(-1))
+#define pixman_fixed_to_int(f) ((int) ((f) >> 16))
+#define pixman_int_to_fixed(i) ((pixman_fixed_t) ((i) << 16))
+#define pixman_fixed_to_double(f) (double) ((f) / (double) pixman_fixed_1)
+#define pixman_double_to_fixed(d) ((pixman_fixed_t) ((d) * 65536.0))
+#define pixman_fixed_frac(f) ((f) & pixman_fixed_1_minus_e)
+#define pixman_fixed_floor(f) ((f) & ~pixman_fixed_1_minus_e)
+#define pixman_fixed_ceil(f) pixman_fixed_floor ((f) + pixman_fixed_1_minus_e)
+#define pixman_fixed_fraction(f) ((f) & pixman_fixed_1_minus_e)
+#define pixman_fixed_mod_2(f) ((f) & (pixman_fixed1 | pixman_fixed_1_minus_e))
+#define pixman_max_fixed_48_16 ((pixman_fixed_48_16_t) 0x7fffffff)
+#define pixman_min_fixed_48_16 (-((pixman_fixed_48_16_t) 1 << 31))
+
+/*
+ * Misc structs
+ */
+typedef struct pixman_color pixman_color_t;
+typedef struct pixman_point_fixed pixman_point_fixed_t;
+typedef struct pixman_line_fixed pixman_line_fixed_t;
+typedef struct pixman_vector pixman_vector_t;
+typedef struct pixman_transform pixman_transform_t;
+
+struct pixman_color
+{
+ uint16_t red;
+ uint16_t green;
+ uint16_t blue;
+ uint16_t alpha;
+};
+
+struct pixman_point_fixed
+{
+ pixman_fixed_t x;
+ pixman_fixed_t y;
+};
+
+struct pixman_line_fixed
+{
+ pixman_point_fixed_t p1, p2;
+};
+
+/*
+ * Fixed point matrices
+ */
+
+struct pixman_vector
+{
+ pixman_fixed_t vector[3];
+};
+
+struct pixman_transform
+{
+ pixman_fixed_t matrix[3][3];
+};
+
+/* forward declaration (sorry) */
+struct pixman_box16;
+typedef union pixman_image pixman_image_t;
+
+void pixman_transform_init_identity (struct pixman_transform *matrix);
+pixman_bool_t pixman_transform_point_3d (const struct pixman_transform *transform,
+ struct pixman_vector *vector);
+pixman_bool_t pixman_transform_point (const struct pixman_transform *transform,
+ struct pixman_vector *vector);
+pixman_bool_t pixman_transform_multiply (struct pixman_transform *dst,
+ const struct pixman_transform *l,
+ const struct pixman_transform *r);
+void pixman_transform_init_scale (struct pixman_transform *t,
+ pixman_fixed_t sx,
+ pixman_fixed_t sy);
+pixman_bool_t pixman_transform_scale (struct pixman_transform *forward,
+ struct pixman_transform *reverse,
+ pixman_fixed_t sx,
+ pixman_fixed_t sy);
+void pixman_transform_init_rotate (struct pixman_transform *t,
+ pixman_fixed_t cos,
+ pixman_fixed_t sin);
+pixman_bool_t pixman_transform_rotate (struct pixman_transform *forward,
+ struct pixman_transform *reverse,
+ pixman_fixed_t c,
+ pixman_fixed_t s);
+void pixman_transform_init_translate (struct pixman_transform *t,
+ pixman_fixed_t tx,
+ pixman_fixed_t ty);
+pixman_bool_t pixman_transform_translate (struct pixman_transform *forward,
+ struct pixman_transform *reverse,
+ pixman_fixed_t tx,
+ pixman_fixed_t ty);
+pixman_bool_t pixman_transform_bounds (const struct pixman_transform *matrix,
+ struct pixman_box16 *b);
+pixman_bool_t pixman_transform_invert (struct pixman_transform *dst,
+ const struct pixman_transform *src);
+pixman_bool_t pixman_transform_is_identity (const struct pixman_transform *t);
+pixman_bool_t pixman_transform_is_scale (const struct pixman_transform *t);
+pixman_bool_t pixman_transform_is_int_translate (const struct pixman_transform *t);
+pixman_bool_t pixman_transform_is_inverse (const struct pixman_transform *a,
+ const struct pixman_transform *b);
+
+/*
+ * Floating point matrices
+ */
+struct pixman_f_vector
+{
+ double v[3];
+};
+
+struct pixman_f_transform
+{
+ double m[3][3];
+};
+
+pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform *t,
+ const struct pixman_f_transform *ft);
+void pixman_f_transform_from_pixman_transform (struct pixman_f_transform *ft,
+ const struct pixman_transform *t);
+pixman_bool_t pixman_f_transform_invert (struct pixman_f_transform *dst,
+ const struct pixman_f_transform *src);
+pixman_bool_t pixman_f_transform_point (const struct pixman_f_transform *t,
+ struct pixman_f_vector *v);
+void pixman_f_transform_point_3d (const struct pixman_f_transform *t,
+ struct pixman_f_vector *v);
+void pixman_f_transform_multiply (struct pixman_f_transform *dst,
+ const struct pixman_f_transform *l,
+ const struct pixman_f_transform *r);
+void pixman_f_transform_init_scale (struct pixman_f_transform *t,
+ double sx,
+ double sy);
+pixman_bool_t pixman_f_transform_scale (struct pixman_f_transform *forward,
+ struct pixman_f_transform *reverse,
+ double sx,
+ double sy);
+void pixman_f_transform_init_rotate (struct pixman_f_transform *t,
+ double cos,
+ double sin);
+pixman_bool_t pixman_f_transform_rotate (struct pixman_f_transform *forward,
+ struct pixman_f_transform *reverse,
+ double c,
+ double s);
+void pixman_f_transform_init_translate (struct pixman_f_transform *t,
+ double tx,
+ double ty);
+pixman_bool_t pixman_f_transform_translate (struct pixman_f_transform *forward,
+ struct pixman_f_transform *reverse,
+ double tx,
+ double ty);
+pixman_bool_t pixman_f_transform_bounds (const struct pixman_f_transform *t,
+ struct pixman_box16 *b);
+void pixman_f_transform_init_identity (struct pixman_f_transform *t);
+
+typedef enum
+{
+ PIXMAN_REPEAT_NONE,
+ PIXMAN_REPEAT_NORMAL,
+ PIXMAN_REPEAT_PAD,
+ PIXMAN_REPEAT_REFLECT
+} pixman_repeat_t;
+
+typedef enum
+{
+ PIXMAN_FILTER_FAST,
+ PIXMAN_FILTER_GOOD,
+ PIXMAN_FILTER_BEST,
+ PIXMAN_FILTER_NEAREST,
+ PIXMAN_FILTER_BILINEAR,
+ PIXMAN_FILTER_CONVOLUTION
+} pixman_filter_t;
+
+typedef enum
+{
+ PIXMAN_OP_CLEAR = 0x00,
+ PIXMAN_OP_SRC = 0x01,
+ PIXMAN_OP_DST = 0x02,
+ PIXMAN_OP_OVER = 0x03,
+ PIXMAN_OP_OVER_REVERSE = 0x04,
+ PIXMAN_OP_IN = 0x05,
+ PIXMAN_OP_IN_REVERSE = 0x06,
+ PIXMAN_OP_OUT = 0x07,
+ PIXMAN_OP_OUT_REVERSE = 0x08,
+ PIXMAN_OP_ATOP = 0x09,
+ PIXMAN_OP_ATOP_REVERSE = 0x0a,
+ PIXMAN_OP_XOR = 0x0b,
+ PIXMAN_OP_ADD = 0x0c,
+ PIXMAN_OP_SATURATE = 0x0d,
+
+ PIXMAN_OP_DISJOINT_CLEAR = 0x10,
+ PIXMAN_OP_DISJOINT_SRC = 0x11,
+ PIXMAN_OP_DISJOINT_DST = 0x12,
+ PIXMAN_OP_DISJOINT_OVER = 0x13,
+ PIXMAN_OP_DISJOINT_OVER_REVERSE = 0x14,
+ PIXMAN_OP_DISJOINT_IN = 0x15,
+ PIXMAN_OP_DISJOINT_IN_REVERSE = 0x16,
+ PIXMAN_OP_DISJOINT_OUT = 0x17,
+ PIXMAN_OP_DISJOINT_OUT_REVERSE = 0x18,
+ PIXMAN_OP_DISJOINT_ATOP = 0x19,
+ PIXMAN_OP_DISJOINT_ATOP_REVERSE = 0x1a,
+ PIXMAN_OP_DISJOINT_XOR = 0x1b,
+
+ PIXMAN_OP_CONJOINT_CLEAR = 0x20,
+ PIXMAN_OP_CONJOINT_SRC = 0x21,
+ PIXMAN_OP_CONJOINT_DST = 0x22,
+ PIXMAN_OP_CONJOINT_OVER = 0x23,
+ PIXMAN_OP_CONJOINT_OVER_REVERSE = 0x24,
+ PIXMAN_OP_CONJOINT_IN = 0x25,
+ PIXMAN_OP_CONJOINT_IN_REVERSE = 0x26,
+ PIXMAN_OP_CONJOINT_OUT = 0x27,
+ PIXMAN_OP_CONJOINT_OUT_REVERSE = 0x28,
+ PIXMAN_OP_CONJOINT_ATOP = 0x29,
+ PIXMAN_OP_CONJOINT_ATOP_REVERSE = 0x2a,
+ PIXMAN_OP_CONJOINT_XOR = 0x2b,
+
+ PIXMAN_OP_MULTIPLY = 0x30,
+ PIXMAN_OP_SCREEN = 0x31,
+ PIXMAN_OP_OVERLAY = 0x32,
+ PIXMAN_OP_DARKEN = 0x33,
+ PIXMAN_OP_LIGHTEN = 0x34,
+ PIXMAN_OP_COLOR_DODGE = 0x35,
+ PIXMAN_OP_COLOR_BURN = 0x36,
+ PIXMAN_OP_HARD_LIGHT = 0x37,
+ PIXMAN_OP_SOFT_LIGHT = 0x38,
+ PIXMAN_OP_DIFFERENCE = 0x39,
+ PIXMAN_OP_EXCLUSION = 0x3a,
+ PIXMAN_OP_HSL_HUE = 0x3b,
+ PIXMAN_OP_HSL_SATURATION = 0x3c,
+ PIXMAN_OP_HSL_COLOR = 0x3d,
+ PIXMAN_OP_HSL_LUMINOSITY = 0x3e
+
+#ifdef PIXMAN_USE_INTERNAL_API
+ ,
+ PIXMAN_N_OPERATORS,
+ PIXMAN_OP_NONE = PIXMAN_N_OPERATORS
+#endif
+} pixman_op_t;
+
+/*
+ * Regions
+ */
+typedef struct pixman_region16_data pixman_region16_data_t;
+typedef struct pixman_box16 pixman_box16_t;
+typedef struct pixman_rectangle16 pixman_rectangle16_t;
+typedef struct pixman_region16 pixman_region16_t;
+
+struct pixman_region16_data {
+ long size;
+ long numRects;
+/* pixman_box16_t rects[size]; in memory but not explicitly declared */
+};
+
+struct pixman_rectangle16
+{
+ int16_t x, y;
+ uint16_t width, height;
+};
+
+struct pixman_box16
+{
+ int16_t x1, y1, x2, y2;
+};
+
+struct pixman_region16
+{
+ pixman_box16_t extents;
+ pixman_region16_data_t *data;
+};
+
+typedef enum
+{
+ PIXMAN_REGION_OUT,
+ PIXMAN_REGION_IN,
+ PIXMAN_REGION_PART
+} pixman_region_overlap_t;
+
+/* This function exists only to make it possible to preserve
+ * the X ABI - it should go away at first opportunity.
+ */
+void pixman_region_set_static_pointers (pixman_box16_t *empty_box,
+ pixman_region16_data_t *empty_data,
+ pixman_region16_data_t *broken_data);
+
+/* creation/destruction */
+void pixman_region_init (pixman_region16_t *region);
+void pixman_region_init_rect (pixman_region16_t *region,
+ int x,
+ int y,
+ unsigned int width,
+ unsigned int height);
+pixman_bool_t pixman_region_init_rects (pixman_region16_t *region,
+ const pixman_box16_t *boxes,
+ int count);
+void pixman_region_init_with_extents (pixman_region16_t *region,
+ pixman_box16_t *extents);
+void pixman_region_init_from_image (pixman_region16_t *region,
+ pixman_image_t *image);
+void pixman_region_fini (pixman_region16_t *region);
+
+
+/* manipulation */
+void pixman_region_translate (pixman_region16_t *region,
+ int x,
+ int y);
+pixman_bool_t pixman_region_copy (pixman_region16_t *dest,
+ pixman_region16_t *source);
+pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg,
+ pixman_region16_t *reg1,
+ pixman_region16_t *reg2);
+pixman_bool_t pixman_region_union (pixman_region16_t *new_reg,
+ pixman_region16_t *reg1,
+ pixman_region16_t *reg2);
+pixman_bool_t pixman_region_union_rect (pixman_region16_t *dest,
+ pixman_region16_t *source,
+ int x,
+ int y,
+ unsigned int width,
+ unsigned int height);
+pixman_bool_t pixman_region_intersect_rect (pixman_region16_t *dest,
+ pixman_region16_t *source,
+ int x,
+ int y,
+ unsigned int width,
+ unsigned int height);
+pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d,
+ pixman_region16_t *reg_m,
+ pixman_region16_t *reg_s);
+pixman_bool_t pixman_region_inverse (pixman_region16_t *new_reg,
+ pixman_region16_t *reg1,
+ pixman_box16_t *inv_rect);
+pixman_bool_t pixman_region_contains_point (pixman_region16_t *region,
+ int x,
+ int y,
+ pixman_box16_t *box);
+pixman_region_overlap_t pixman_region_contains_rectangle (pixman_region16_t *region,
+ pixman_box16_t *prect);
+pixman_bool_t pixman_region_not_empty (pixman_region16_t *region);
+pixman_box16_t * pixman_region_extents (pixman_region16_t *region);
+int pixman_region_n_rects (pixman_region16_t *region);
+pixman_box16_t * pixman_region_rectangles (pixman_region16_t *region,
+ int *n_rects);
+pixman_bool_t pixman_region_equal (pixman_region16_t *region1,
+ pixman_region16_t *region2);
+pixman_bool_t pixman_region_selfcheck (pixman_region16_t *region);
+void pixman_region_reset (pixman_region16_t *region,
+ pixman_box16_t *box);
+/*
+ * 32 bit regions
+ */
+typedef struct pixman_region32_data pixman_region32_data_t;
+typedef struct pixman_box32 pixman_box32_t;
+typedef struct pixman_rectangle32 pixman_rectangle32_t;
+typedef struct pixman_region32 pixman_region32_t;
+
+struct pixman_region32_data {
+ long size;
+ long numRects;
+/* pixman_box32_t rects[size]; in memory but not explicitly declared */
+};
+
+struct pixman_rectangle32
+{
+ int32_t x, y;
+ uint32_t width, height;
+};
+
+struct pixman_box32
+{
+ int32_t x1, y1, x2, y2;
+};
+
+struct pixman_region32
+{
+ pixman_box32_t extents;
+ pixman_region32_data_t *data;
+};
+
+/* creation/destruction */
+void pixman_region32_init (pixman_region32_t *region);
+void pixman_region32_init_rect (pixman_region32_t *region,
+ int x,
+ int y,
+ unsigned int width,
+ unsigned int height);
+pixman_bool_t pixman_region32_init_rects (pixman_region32_t *region,
+ const pixman_box32_t *boxes,
+ int count);
+void pixman_region32_init_with_extents (pixman_region32_t *region,
+ pixman_box32_t *extents);
+void pixman_region32_init_from_image (pixman_region32_t *region,
+ pixman_image_t *image);
+void pixman_region32_fini (pixman_region32_t *region);
+
+
+/* manipulation */
+void pixman_region32_translate (pixman_region32_t *region,
+ int x,
+ int y);
+pixman_bool_t pixman_region32_copy (pixman_region32_t *dest,
+ pixman_region32_t *source);
+pixman_bool_t pixman_region32_intersect (pixman_region32_t *new_reg,
+ pixman_region32_t *reg1,
+ pixman_region32_t *reg2);
+pixman_bool_t pixman_region32_union (pixman_region32_t *new_reg,
+ pixman_region32_t *reg1,
+ pixman_region32_t *reg2);
+pixman_bool_t pixman_region32_intersect_rect (pixman_region32_t *dest,
+ pixman_region32_t *source,
+ int x,
+ int y,
+ unsigned int width,
+ unsigned int height);
+pixman_bool_t pixman_region32_union_rect (pixman_region32_t *dest,
+ pixman_region32_t *source,
+ int x,
+ int y,
+ unsigned int width,
+ unsigned int height);
+pixman_bool_t pixman_region32_subtract (pixman_region32_t *reg_d,
+ pixman_region32_t *reg_m,
+ pixman_region32_t *reg_s);
+pixman_bool_t pixman_region32_inverse (pixman_region32_t *new_reg,
+ pixman_region32_t *reg1,
+ pixman_box32_t *inv_rect);
+pixman_bool_t pixman_region32_contains_point (pixman_region32_t *region,
+ int x,
+ int y,
+ pixman_box32_t *box);
+pixman_region_overlap_t pixman_region32_contains_rectangle (pixman_region32_t *region,
+ pixman_box32_t *prect);
+pixman_bool_t pixman_region32_not_empty (pixman_region32_t *region);
+pixman_box32_t * pixman_region32_extents (pixman_region32_t *region);
+int pixman_region32_n_rects (pixman_region32_t *region);
+pixman_box32_t * pixman_region32_rectangles (pixman_region32_t *region,
+ int *n_rects);
+pixman_bool_t pixman_region32_equal (pixman_region32_t *region1,
+ pixman_region32_t *region2);
+pixman_bool_t pixman_region32_selfcheck (pixman_region32_t *region);
+void pixman_region32_reset (pixman_region32_t *region,
+ pixman_box32_t *box);
+
+
+/* Copy / Fill / Misc */
+pixman_bool_t pixman_blt (uint32_t *src_bits,
+ uint32_t *dst_bits,
+ int src_stride,
+ int dst_stride,
+ int src_bpp,
+ int dst_bpp,
+ int src_x,
+ int src_y,
+ int dst_x,
+ int dst_y,
+ int width,
+ int height);
+pixman_bool_t pixman_fill (uint32_t *bits,
+ int stride,
+ int bpp,
+ int x,
+ int y,
+ int width,
+ int height,
+ uint32_t _xor);
+
+int pixman_version (void);
+const char* pixman_version_string (void);
+
+/*
+ * Images
+ */
+typedef struct pixman_indexed pixman_indexed_t;
+typedef struct pixman_gradient_stop pixman_gradient_stop_t;
+
+typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size);
+typedef void (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size);
+
+typedef void (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data);
+
+struct pixman_gradient_stop {
+ pixman_fixed_t x;
+ pixman_color_t color;
+};
+
+#define PIXMAN_MAX_INDEXED 256 /* XXX depth must be <= 8 */
+
+#if PIXMAN_MAX_INDEXED <= 256
+typedef uint8_t pixman_index_type;
+#endif
+
+struct pixman_indexed
+{
+ pixman_bool_t color;
+ uint32_t rgba[PIXMAN_MAX_INDEXED];
+ pixman_index_type ent[32768];
+};
+
+/*
+ * While the protocol is generous in format support, the
+ * sample implementation allows only packed RGB and GBR
+ * representations for data to simplify software rendering,
+ */
+#define PIXMAN_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \
+ ((type) << 16) | \
+ ((a) << 12) | \
+ ((r) << 8) | \
+ ((g) << 4) | \
+ ((b)))
+
+#define PIXMAN_FORMAT_BPP(f) (((f) >> 24) )
+#define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0xff)
+#define PIXMAN_FORMAT_A(f) (((f) >> 12) & 0x0f)
+#define PIXMAN_FORMAT_R(f) (((f) >> 8) & 0x0f)
+#define PIXMAN_FORMAT_G(f) (((f) >> 4) & 0x0f)
+#define PIXMAN_FORMAT_B(f) (((f) ) & 0x0f)
+#define PIXMAN_FORMAT_RGB(f) (((f) ) & 0xfff)
+#define PIXMAN_FORMAT_VIS(f) (((f) ) & 0xffff)
+#define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \
+ PIXMAN_FORMAT_R(f) + \
+ PIXMAN_FORMAT_G(f) + \
+ PIXMAN_FORMAT_B(f))
+
+#define PIXMAN_TYPE_OTHER 0
+#define PIXMAN_TYPE_A 1
+#define PIXMAN_TYPE_ARGB 2
+#define PIXMAN_TYPE_ABGR 3
+#define PIXMAN_TYPE_COLOR 4
+#define PIXMAN_TYPE_GRAY 5
+#define PIXMAN_TYPE_YUY2 6
+#define PIXMAN_TYPE_YV12 7
+#define PIXMAN_TYPE_BGRA 8
+
+#define PIXMAN_FORMAT_COLOR(f) \
+ (PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB || \
+ PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR || \
+ PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA)
+
+/* 32bpp formats */
+typedef enum {
+ PIXMAN_a8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8),
+ PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8),
+ PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8),
+ PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8),
+ PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8),
+ PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8),
+ PIXMAN_x14r6g6b6 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,6,6,6),
+ PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10),
+ PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10),
+ PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10),
+ PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10),
+
+/* 24bpp formats */
+ PIXMAN_r8g8b8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8),
+ PIXMAN_b8g8r8 = PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8),
+
+/* 16bpp formats */
+ PIXMAN_r5g6b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5),
+ PIXMAN_b5g6r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5),
+
+ PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5),
+ PIXMAN_x1r5g5b5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5),
+ PIXMAN_a1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5),
+ PIXMAN_x1b5g5r5 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5),
+ PIXMAN_a4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4),
+ PIXMAN_x4r4g4b4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4),
+ PIXMAN_a4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4),
+ PIXMAN_x4b4g4r4 = PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4),
+
+/* 8bpp formats */
+ PIXMAN_a8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0),
+ PIXMAN_r3g3b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2),
+ PIXMAN_b2g3r3 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2),
+ PIXMAN_a2r2g2b2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2),
+ PIXMAN_a2b2g2r2 = PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2),
+
+ PIXMAN_c8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
+ PIXMAN_g8 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
+
+ PIXMAN_x4a4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0),
+
+ PIXMAN_x4c4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
+ PIXMAN_x4g4 = PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
+
+/* 4bpp formats */
+ PIXMAN_a4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0),
+ PIXMAN_r1g2b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1),
+ PIXMAN_b1g2r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1),
+ PIXMAN_a1r1g1b1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1),
+ PIXMAN_a1b1g1r1 = PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1),
+
+ PIXMAN_c4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0),
+ PIXMAN_g4 = PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0),
+
+/* 1bpp formats */
+ PIXMAN_a1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0),
+
+ PIXMAN_g1 = PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0),
+
+/* YUV formats */
+ PIXMAN_yuy2 = PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0),
+ PIXMAN_yv12 = PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0)
+} pixman_format_code_t;
+
+/* Querying supported format values. */
+pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format);
+pixman_bool_t pixman_format_supported_source (pixman_format_code_t format);
+
+/* Constructors */
+pixman_image_t *pixman_image_create_solid_fill (pixman_color_t *color);
+pixman_image_t *pixman_image_create_linear_gradient (pixman_point_fixed_t *p1,
+ pixman_point_fixed_t *p2,
+ const pixman_gradient_stop_t *stops,
+ int n_stops);
+pixman_image_t *pixman_image_create_radial_gradient (pixman_point_fixed_t *inner,
+ pixman_point_fixed_t *outer,
+ pixman_fixed_t inner_radius,
+ pixman_fixed_t outer_radius,
+ const pixman_gradient_stop_t *stops,
+ int n_stops);
+pixman_image_t *pixman_image_create_conical_gradient (pixman_point_fixed_t *center,
+ pixman_fixed_t angle,
+ const pixman_gradient_stop_t *stops,
+ int n_stops);
+pixman_image_t *pixman_image_create_bits (pixman_format_code_t format,
+ int width,
+ int height,
+ uint32_t *bits,
+ int rowstride_bytes);
+
+/* Destructor */
+pixman_image_t *pixman_image_ref (pixman_image_t *image);
+pixman_bool_t pixman_image_unref (pixman_image_t *image);
+
+void pixman_image_set_destroy_function (pixman_image_t *image,
+ pixman_image_destroy_func_t function,
+ void *data);
+void * pixman_image_get_destroy_data (pixman_image_t *image);
+
+/* Set properties */
+pixman_bool_t pixman_image_set_clip_region (pixman_image_t *image,
+ pixman_region16_t *region);
+pixman_bool_t pixman_image_set_clip_region32 (pixman_image_t *image,
+ pixman_region32_t *region);
+void pixman_image_set_has_client_clip (pixman_image_t *image,
+ pixman_bool_t clien_clip);
+pixman_bool_t pixman_image_set_transform (pixman_image_t *image,
+ const pixman_transform_t *transform);
+void pixman_image_set_repeat (pixman_image_t *image,
+ pixman_repeat_t repeat);
+pixman_bool_t pixman_image_set_filter (pixman_image_t *image,
+ pixman_filter_t filter,
+ const pixman_fixed_t *filter_params,
+ int n_filter_params);
+void pixman_image_set_source_clipping (pixman_image_t *image,
+ pixman_bool_t source_clipping);
+void pixman_image_set_alpha_map (pixman_image_t *image,
+ pixman_image_t *alpha_map,
+ int16_t x,
+ int16_t y);
+void pixman_image_set_component_alpha (pixman_image_t *image,
+ pixman_bool_t component_alpha);
+pixman_bool_t pixman_image_get_component_alpha (pixman_image_t *image);
+void pixman_image_set_accessors (pixman_image_t *image,
+ pixman_read_memory_func_t read_func,
+ pixman_write_memory_func_t write_func);
+void pixman_image_set_indexed (pixman_image_t *image,
+ const pixman_indexed_t *indexed);
+uint32_t *pixman_image_get_data (pixman_image_t *image);
+int pixman_image_get_width (pixman_image_t *image);
+int pixman_image_get_height (pixman_image_t *image);
+int pixman_image_get_stride (pixman_image_t *image); /* in bytes */
+int pixman_image_get_depth (pixman_image_t *image);
+pixman_format_code_t pixman_image_get_format (pixman_image_t *image);
+pixman_bool_t pixman_image_fill_rectangles (pixman_op_t op,
+ pixman_image_t *image,
+ pixman_color_t *color,
+ int n_rects,
+ const pixman_rectangle16_t *rects);
+pixman_bool_t pixman_image_fill_boxes (pixman_op_t op,
+ pixman_image_t *dest,
+ pixman_color_t *color,
+ int n_boxes,
+ const pixman_box32_t *boxes);
+
+/* Composite */
+pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region,
+ pixman_image_t *src_image,
+ pixman_image_t *mask_image,
+ pixman_image_t *dst_image,
+ int16_t src_x,
+ int16_t src_y,
+ int16_t mask_x,
+ int16_t mask_y,
+ int16_t dest_x,
+ int16_t dest_y,
+ uint16_t width,
+ uint16_t height);
+void pixman_image_composite (pixman_op_t op,
+ pixman_image_t *src,
+ pixman_image_t *mask,
+ pixman_image_t *dest,
+ int16_t src_x,
+ int16_t src_y,
+ int16_t mask_x,
+ int16_t mask_y,
+ int16_t dest_x,
+ int16_t dest_y,
+ uint16_t width,
+ uint16_t height);
+void pixman_image_composite32 (pixman_op_t op,
+ pixman_image_t *src,
+ pixman_image_t *mask,
+ pixman_image_t *dest,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height);
+
+/* Old X servers rely on out-of-bounds accesses when they are asked
+ * to composite with a window as the source. They create a pixman image
+ * pointing to some bogus position in memory, but then they set a clip
+ * region to the position where the actual bits are.
+ *
+ * Due to a bug in old versions of pixman, where it would not clip
+ * against the image bounds when a clip region was set, this would
+ * actually work. So by default we allow certain out-of-bound access
+ * to happen unless explicitly disabled.
+ *
+ * Fixed X servers should call this function to disable the workaround.
+ */
+void pixman_disable_out_of_bounds_workaround (void);
+
+/*
+ * Trapezoids
+ */
+typedef struct pixman_edge pixman_edge_t;
+typedef struct pixman_trapezoid pixman_trapezoid_t;
+typedef struct pixman_trap pixman_trap_t;
+typedef struct pixman_span_fix pixman_span_fix_t;
+
+/*
+ * An edge structure. This represents a single polygon edge
+ * and can be quickly stepped across small or large gaps in the
+ * sample grid
+ */
+struct pixman_edge
+{
+ pixman_fixed_t x;
+ pixman_fixed_t e;
+ pixman_fixed_t stepx;
+ pixman_fixed_t signdx;
+ pixman_fixed_t dy;
+ pixman_fixed_t dx;
+
+ pixman_fixed_t stepx_small;
+ pixman_fixed_t stepx_big;
+ pixman_fixed_t dx_small;
+ pixman_fixed_t dx_big;
+};
+
+struct pixman_trapezoid
+{
+ pixman_fixed_t top, bottom;
+ pixman_line_fixed_t left, right;
+};
+
+
+/* whether 't' is a well defined not obviously empty trapezoid */
+#define pixman_trapezoid_valid(t) \
+ ((t)->left.p1.y != (t)->left.p2.y && \
+ (t)->right.p1.y != (t)->right.p2.y && \
+ (int) ((t)->bottom - (t)->top) > 0)
+
+struct pixman_span_fix
+{
+ pixman_fixed_t l, r, y;
+};
+
+struct pixman_trap
+{
+ pixman_span_fix_t top, bot;
+};
+
+pixman_fixed_t pixman_sample_ceil_y (pixman_fixed_t y,
+ int bpp);
+pixman_fixed_t pixman_sample_floor_y (pixman_fixed_t y,
+ int bpp);
+void pixman_edge_step (pixman_edge_t *e,
+ int n);
+void pixman_edge_init (pixman_edge_t *e,
+ int bpp,
+ pixman_fixed_t y_start,
+ pixman_fixed_t x_top,
+ pixman_fixed_t y_top,
+ pixman_fixed_t x_bot,
+ pixman_fixed_t y_bot);
+void pixman_line_fixed_edge_init (pixman_edge_t *e,
+ int bpp,
+ pixman_fixed_t y,
+ const pixman_line_fixed_t *line,
+ int x_off,
+ int y_off);
+void pixman_rasterize_edges (pixman_image_t *image,
+ pixman_edge_t *l,
+ pixman_edge_t *r,
+ pixman_fixed_t t,
+ pixman_fixed_t b);
+void pixman_add_traps (pixman_image_t *image,
+ int16_t x_off,
+ int16_t y_off,
+ int ntrap,
+ pixman_trap_t *traps);
+void pixman_add_trapezoids (pixman_image_t *image,
+ int16_t x_off,
+ int y_off,
+ int ntraps,
+ const pixman_trapezoid_t *traps);
+void pixman_rasterize_trapezoid (pixman_image_t *image,
+ const pixman_trapezoid_t *trap,
+ int x_off,
+ int y_off);
+
+PIXMAN_END_DECLS
+
+#endif /* PIXMAN_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 02:21:57 +0000