Blame pixman/pixman.h

Packit 030a23
/***********************************************************
Packit 030a23
Packit 030a23
Copyright 1987, 1998  The Open Group
Packit 030a23
Packit 030a23
Permission to use, copy, modify, distribute, and sell this software and its
Packit 030a23
documentation for any purpose is hereby granted without fee, provided that
Packit 030a23
the above copyright notice appear in all copies and that both that
Packit 030a23
copyright notice and this permission notice appear in supporting
Packit 030a23
documentation.
Packit 030a23
Packit 030a23
The above copyright notice and this permission notice shall be included in
Packit 030a23
all copies or substantial portions of the Software.
Packit 030a23
Packit 030a23
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Packit 030a23
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Packit 030a23
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
Packit 030a23
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
Packit 030a23
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
Packit 030a23
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Packit 030a23
Packit 030a23
Except as contained in this notice, the name of The Open Group shall not be
Packit 030a23
used in advertising or otherwise to promote the sale, use or other dealings
Packit 030a23
in this Software without prior written authorization from The Open Group.
Packit 030a23
Packit 030a23
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
Packit 030a23
Packit 030a23
                        All Rights Reserved
Packit 030a23
Packit 030a23
Permission to use, copy, modify, and distribute this software and its
Packit 030a23
documentation for any purpose and without fee is hereby granted,
Packit 030a23
provided that the above copyright notice appear in all copies and that
Packit 030a23
both that copyright notice and this permission notice appear in
Packit 030a23
supporting documentation, and that the name of Digital not be
Packit 030a23
used in advertising or publicity pertaining to distribution of the
Packit 030a23
software without specific, written prior permission.
Packit 030a23
Packit 030a23
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
Packit 030a23
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
Packit 030a23
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
Packit 030a23
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
Packit 030a23
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
Packit 030a23
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
Packit 030a23
SOFTWARE.
Packit 030a23
Packit 030a23
******************************************************************/
Packit 030a23
/*
Packit 030a23
 * Copyright © 1998, 2004 Keith Packard
Packit 030a23
 * Copyright   2007 Red Hat, Inc.
Packit 030a23
 *
Packit 030a23
 * Permission to use, copy, modify, distribute, and sell this software and its
Packit 030a23
 * documentation for any purpose is hereby granted without fee, provided that
Packit 030a23
 * the above copyright notice appear in all copies and that both that
Packit 030a23
 * copyright notice and this permission notice appear in supporting
Packit 030a23
 * documentation, and that the name of Keith Packard not be used in
Packit 030a23
 * advertising or publicity pertaining to distribution of the software without
Packit 030a23
 * specific, written prior permission.  Keith Packard makes no
Packit 030a23
 * representations about the suitability of this software for any purpose.  It
Packit 030a23
 * is provided "as is" without express or implied warranty.
Packit 030a23
 *
Packit 030a23
 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
Packit 030a23
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
Packit 030a23
 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
Packit 030a23
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
Packit 030a23
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
Packit 030a23
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
Packit 030a23
 * PERFORMANCE OF THIS SOFTWARE.
Packit 030a23
 */
Packit 030a23
Packit 030a23
#ifndef PIXMAN_H__
Packit 030a23
#define PIXMAN_H__
Packit 030a23
Packit 030a23
#include <pixman-version.h>
Packit 030a23
Packit 030a23
#ifdef  __cplusplus
Packit 030a23
#define PIXMAN_BEGIN_DECLS extern "C" {
Packit 030a23
#define PIXMAN_END_DECLS }
Packit 030a23
#else
Packit 030a23
#define PIXMAN_BEGIN_DECLS
Packit 030a23
#define PIXMAN_END_DECLS
Packit 030a23
#endif
Packit 030a23
Packit 030a23
PIXMAN_BEGIN_DECLS
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Standard integers
Packit 030a23
 */
Packit 030a23
Packit 030a23
#if !defined (PIXMAN_DONT_DEFINE_STDINT)
Packit 030a23
Packit 030a23
#if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || defined (_sgi) || defined (__sun) || defined (sun) || defined (__digital__) || defined (__HP_cc)
Packit 030a23
#  include <inttypes.h>
Packit 030a23
/* VS 2010 (_MSC_VER 1600) has stdint.h */
Packit 030a23
#elif defined (_MSC_VER) && _MSC_VER < 1600
Packit 030a23
typedef __int8 int8_t;
Packit 030a23
typedef unsigned __int8 uint8_t;
Packit 030a23
typedef __int16 int16_t;
Packit 030a23
typedef unsigned __int16 uint16_t;
Packit 030a23
typedef __int32 int32_t;
Packit 030a23
typedef unsigned __int32 uint32_t;
Packit 030a23
typedef __int64 int64_t;
Packit 030a23
typedef unsigned __int64 uint64_t;
Packit 030a23
#elif defined (_AIX)
Packit 030a23
#  include <sys/inttypes.h>
Packit 030a23
#else
Packit 030a23
#  include <stdint.h>
Packit 030a23
#endif
Packit 030a23
Packit 030a23
#endif
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Boolean
Packit 030a23
 */
Packit 030a23
typedef int pixman_bool_t;
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Fixpoint numbers
Packit 030a23
 */
Packit 030a23
typedef int64_t			pixman_fixed_32_32_t;
Packit 030a23
typedef pixman_fixed_32_32_t	pixman_fixed_48_16_t;
Packit 030a23
typedef uint32_t		pixman_fixed_1_31_t;
Packit 030a23
typedef uint32_t		pixman_fixed_1_16_t;
Packit 030a23
typedef int32_t			pixman_fixed_16_16_t;
Packit 030a23
typedef pixman_fixed_16_16_t	pixman_fixed_t;
Packit 030a23
Packit 030a23
#define pixman_fixed_e			((pixman_fixed_t) 1)
Packit 030a23
#define pixman_fixed_1			(pixman_int_to_fixed(1))
Packit 030a23
#define pixman_fixed_1_minus_e		(pixman_fixed_1 - pixman_fixed_e)
Packit 030a23
#define pixman_fixed_minus_1		(pixman_int_to_fixed(-1))
Packit 030a23
#define pixman_fixed_to_int(f)		((int) ((f) >> 16))
Packit 030a23
#define pixman_int_to_fixed(i)		((pixman_fixed_t) ((i) << 16))
Packit 030a23
#define pixman_fixed_to_double(f)	(double) ((f) / (double) pixman_fixed_1)
Packit 030a23
#define pixman_double_to_fixed(d)	((pixman_fixed_t) ((d) * 65536.0))
Packit 030a23
#define pixman_fixed_frac(f)		((f) & pixman_fixed_1_minus_e)
Packit 030a23
#define pixman_fixed_floor(f)		((f) & ~pixman_fixed_1_minus_e)
Packit 030a23
#define pixman_fixed_ceil(f)		pixman_fixed_floor ((f) + pixman_fixed_1_minus_e)
Packit 030a23
#define pixman_fixed_fraction(f)	((f) & pixman_fixed_1_minus_e)
Packit 030a23
#define pixman_fixed_mod_2(f)		((f) & (pixman_fixed1 | pixman_fixed_1_minus_e))
Packit 030a23
#define pixman_max_fixed_48_16		((pixman_fixed_48_16_t) 0x7fffffff)
Packit 030a23
#define pixman_min_fixed_48_16		(-((pixman_fixed_48_16_t) 1 << 31))
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Misc structs
Packit 030a23
 */
Packit 030a23
typedef struct pixman_color pixman_color_t;
Packit 030a23
typedef struct pixman_point_fixed pixman_point_fixed_t;
Packit 030a23
typedef struct pixman_line_fixed pixman_line_fixed_t;
Packit 030a23
typedef struct pixman_vector pixman_vector_t;
Packit 030a23
typedef struct pixman_transform pixman_transform_t;
Packit 030a23
Packit 030a23
struct pixman_color
Packit 030a23
{
Packit 030a23
    uint16_t	red;
Packit 030a23
    uint16_t    green;
Packit 030a23
    uint16_t    blue;
Packit 030a23
    uint16_t    alpha;
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_point_fixed
Packit 030a23
{
Packit 030a23
    pixman_fixed_t	x;
Packit 030a23
    pixman_fixed_t	y;
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_line_fixed
Packit 030a23
{
Packit 030a23
    pixman_point_fixed_t	p1, p2;
Packit 030a23
};
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Fixed point matrices
Packit 030a23
 */
Packit 030a23
Packit 030a23
struct pixman_vector
Packit 030a23
{
Packit 030a23
    pixman_fixed_t	vector[3];
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_transform
Packit 030a23
{
Packit 030a23
    pixman_fixed_t	matrix[3][3];
Packit 030a23
};
Packit 030a23
Packit 030a23
/* forward declaration (sorry) */
Packit 030a23
struct pixman_box16;
Packit 030a23
typedef  union pixman_image		pixman_image_t;
Packit 030a23
Packit 030a23
void          pixman_transform_init_identity    (struct pixman_transform       *matrix);
Packit 030a23
pixman_bool_t pixman_transform_point_3d         (const struct pixman_transform *transform,
Packit 030a23
						 struct pixman_vector          *vector);
Packit 030a23
pixman_bool_t pixman_transform_point            (const struct pixman_transform *transform,
Packit 030a23
						 struct pixman_vector          *vector);
Packit 030a23
pixman_bool_t pixman_transform_multiply         (struct pixman_transform       *dst,
Packit 030a23
						 const struct pixman_transform *l,
Packit 030a23
						 const struct pixman_transform *r);
Packit 030a23
void          pixman_transform_init_scale       (struct pixman_transform       *t,
Packit 030a23
						 pixman_fixed_t                 sx,
Packit 030a23
						 pixman_fixed_t                 sy);
Packit 030a23
pixman_bool_t pixman_transform_scale            (struct pixman_transform       *forward,
Packit 030a23
						 struct pixman_transform       *reverse,
Packit 030a23
						 pixman_fixed_t                 sx,
Packit 030a23
						 pixman_fixed_t                 sy);
Packit 030a23
void          pixman_transform_init_rotate      (struct pixman_transform       *t,
Packit 030a23
						 pixman_fixed_t                 cos,
Packit 030a23
						 pixman_fixed_t                 sin);
Packit 030a23
pixman_bool_t pixman_transform_rotate           (struct pixman_transform       *forward,
Packit 030a23
						 struct pixman_transform       *reverse,
Packit 030a23
						 pixman_fixed_t                 c,
Packit 030a23
						 pixman_fixed_t                 s);
Packit 030a23
void          pixman_transform_init_translate   (struct pixman_transform       *t,
Packit 030a23
						 pixman_fixed_t                 tx,
Packit 030a23
						 pixman_fixed_t                 ty);
Packit 030a23
pixman_bool_t pixman_transform_translate        (struct pixman_transform       *forward,
Packit 030a23
						 struct pixman_transform       *reverse,
Packit 030a23
						 pixman_fixed_t                 tx,
Packit 030a23
						 pixman_fixed_t                 ty);
Packit 030a23
pixman_bool_t pixman_transform_bounds           (const struct pixman_transform *matrix,
Packit 030a23
						 struct pixman_box16           *b);
Packit 030a23
pixman_bool_t pixman_transform_invert           (struct pixman_transform       *dst,
Packit 030a23
						 const struct pixman_transform *src);
Packit 030a23
pixman_bool_t pixman_transform_is_identity      (const struct pixman_transform *t);
Packit 030a23
pixman_bool_t pixman_transform_is_scale         (const struct pixman_transform *t);
Packit 030a23
pixman_bool_t pixman_transform_is_int_translate (const struct pixman_transform *t);
Packit 030a23
pixman_bool_t pixman_transform_is_inverse       (const struct pixman_transform *a,
Packit 030a23
						 const struct pixman_transform *b);
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Floating point matrices
Packit 030a23
 */
Packit 030a23
typedef struct pixman_f_transform pixman_f_transform_t;
Packit 030a23
typedef struct pixman_f_vector pixman_f_vector_t;
Packit 030a23
Packit 030a23
struct pixman_f_vector
Packit 030a23
{
Packit 030a23
    double  v[3];
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_f_transform
Packit 030a23
{
Packit 030a23
    double  m[3][3];
Packit 030a23
};
Packit 030a23
Packit 030a23
pixman_bool_t pixman_transform_from_pixman_f_transform (struct pixman_transform         *t,
Packit 030a23
							const struct pixman_f_transform *ft);
Packit 030a23
void          pixman_f_transform_from_pixman_transform (struct pixman_f_transform       *ft,
Packit 030a23
							const struct pixman_transform   *t);
Packit 030a23
pixman_bool_t pixman_f_transform_invert                (struct pixman_f_transform       *dst,
Packit 030a23
							const struct pixman_f_transform *src);
Packit 030a23
pixman_bool_t pixman_f_transform_point                 (const struct pixman_f_transform *t,
Packit 030a23
							struct pixman_f_vector          *v);
Packit 030a23
void          pixman_f_transform_point_3d              (const struct pixman_f_transform *t,
Packit 030a23
							struct pixman_f_vector          *v);
Packit 030a23
void          pixman_f_transform_multiply              (struct pixman_f_transform       *dst,
Packit 030a23
							const struct pixman_f_transform *l,
Packit 030a23
							const struct pixman_f_transform *r);
Packit 030a23
void          pixman_f_transform_init_scale            (struct pixman_f_transform       *t,
Packit 030a23
							double                           sx,
Packit 030a23
							double                           sy);
Packit 030a23
pixman_bool_t pixman_f_transform_scale                 (struct pixman_f_transform       *forward,
Packit 030a23
							struct pixman_f_transform       *reverse,
Packit 030a23
							double                           sx,
Packit 030a23
							double                           sy);
Packit 030a23
void          pixman_f_transform_init_rotate           (struct pixman_f_transform       *t,
Packit 030a23
							double                           cos,
Packit 030a23
							double                           sin);
Packit 030a23
pixman_bool_t pixman_f_transform_rotate                (struct pixman_f_transform       *forward,
Packit 030a23
							struct pixman_f_transform       *reverse,
Packit 030a23
							double                           c,
Packit 030a23
							double                           s);
Packit 030a23
void          pixman_f_transform_init_translate        (struct pixman_f_transform       *t,
Packit 030a23
							double                           tx,
Packit 030a23
							double                           ty);
Packit 030a23
pixman_bool_t pixman_f_transform_translate             (struct pixman_f_transform       *forward,
Packit 030a23
							struct pixman_f_transform       *reverse,
Packit 030a23
							double                           tx,
Packit 030a23
							double                           ty);
Packit 030a23
pixman_bool_t pixman_f_transform_bounds                (const struct pixman_f_transform *t,
Packit 030a23
							struct pixman_box16             *b);
Packit 030a23
void          pixman_f_transform_init_identity         (struct pixman_f_transform       *t);
Packit 030a23
Packit 030a23
typedef enum
Packit 030a23
{
Packit 030a23
    PIXMAN_REPEAT_NONE,
Packit 030a23
    PIXMAN_REPEAT_NORMAL,
Packit 030a23
    PIXMAN_REPEAT_PAD,
Packit 030a23
    PIXMAN_REPEAT_REFLECT
Packit 030a23
} pixman_repeat_t;
Packit 030a23
Packit 030a23
typedef enum
Packit 030a23
{
Packit 030a23
    PIXMAN_FILTER_FAST,
Packit 030a23
    PIXMAN_FILTER_GOOD,
Packit 030a23
    PIXMAN_FILTER_BEST,
Packit 030a23
    PIXMAN_FILTER_NEAREST,
Packit 030a23
    PIXMAN_FILTER_BILINEAR,
Packit 030a23
    PIXMAN_FILTER_CONVOLUTION,
Packit 030a23
Packit 030a23
    /* The SEPARABLE_CONVOLUTION filter takes the following parameters:
Packit 030a23
     *
Packit 030a23
     *         width:           integer given as 16.16 fixpoint number
Packit 030a23
     *         height:          integer given as 16.16 fixpoint number
Packit 030a23
     *         x_phase_bits:	integer given as 16.16 fixpoint
Packit 030a23
     *         y_phase_bits:	integer given as 16.16 fixpoint
Packit 030a23
     *         xtables:         (1 << x_phase_bits) tables of size width
Packit 030a23
     *         ytables:         (1 << y_phase_bits) tables of size height
Packit 030a23
     *
Packit 030a23
     * When sampling at (x, y), the location is first rounded to one of
Packit 030a23
     * n_x_phases * n_y_phases subpixel positions. These subpixel positions
Packit 030a23
     * determine an xtable and a ytable to use.
Packit 030a23
     *
Packit 030a23
     * Conceptually a width x height matrix is then formed in which each entry
Packit 030a23
     * is the product of the corresponding entries in the x and y tables.
Packit 030a23
     * This matrix is then aligned with the image pixels such that its center
Packit 030a23
     * is as close as possible to the subpixel location chosen earlier. Then
Packit 030a23
     * the image is convolved with the matrix and the resulting pixel returned.
Packit 030a23
     */
Packit 030a23
    PIXMAN_FILTER_SEPARABLE_CONVOLUTION
Packit 030a23
} pixman_filter_t;
Packit 030a23
Packit 030a23
typedef enum
Packit 030a23
{
Packit 030a23
    PIXMAN_OP_CLEAR			= 0x00,
Packit 030a23
    PIXMAN_OP_SRC			= 0x01,
Packit 030a23
    PIXMAN_OP_DST			= 0x02,
Packit 030a23
    PIXMAN_OP_OVER			= 0x03,
Packit 030a23
    PIXMAN_OP_OVER_REVERSE		= 0x04,
Packit 030a23
    PIXMAN_OP_IN			= 0x05,
Packit 030a23
    PIXMAN_OP_IN_REVERSE		= 0x06,
Packit 030a23
    PIXMAN_OP_OUT			= 0x07,
Packit 030a23
    PIXMAN_OP_OUT_REVERSE		= 0x08,
Packit 030a23
    PIXMAN_OP_ATOP			= 0x09,
Packit 030a23
    PIXMAN_OP_ATOP_REVERSE		= 0x0a,
Packit 030a23
    PIXMAN_OP_XOR			= 0x0b,
Packit 030a23
    PIXMAN_OP_ADD			= 0x0c,
Packit 030a23
    PIXMAN_OP_SATURATE			= 0x0d,
Packit 030a23
Packit 030a23
    PIXMAN_OP_DISJOINT_CLEAR		= 0x10,
Packit 030a23
    PIXMAN_OP_DISJOINT_SRC		= 0x11,
Packit 030a23
    PIXMAN_OP_DISJOINT_DST		= 0x12,
Packit 030a23
    PIXMAN_OP_DISJOINT_OVER		= 0x13,
Packit 030a23
    PIXMAN_OP_DISJOINT_OVER_REVERSE	= 0x14,
Packit 030a23
    PIXMAN_OP_DISJOINT_IN		= 0x15,
Packit 030a23
    PIXMAN_OP_DISJOINT_IN_REVERSE	= 0x16,
Packit 030a23
    PIXMAN_OP_DISJOINT_OUT		= 0x17,
Packit 030a23
    PIXMAN_OP_DISJOINT_OUT_REVERSE	= 0x18,
Packit 030a23
    PIXMAN_OP_DISJOINT_ATOP		= 0x19,
Packit 030a23
    PIXMAN_OP_DISJOINT_ATOP_REVERSE	= 0x1a,
Packit 030a23
    PIXMAN_OP_DISJOINT_XOR		= 0x1b,
Packit 030a23
Packit 030a23
    PIXMAN_OP_CONJOINT_CLEAR		= 0x20,
Packit 030a23
    PIXMAN_OP_CONJOINT_SRC		= 0x21,
Packit 030a23
    PIXMAN_OP_CONJOINT_DST		= 0x22,
Packit 030a23
    PIXMAN_OP_CONJOINT_OVER		= 0x23,
Packit 030a23
    PIXMAN_OP_CONJOINT_OVER_REVERSE	= 0x24,
Packit 030a23
    PIXMAN_OP_CONJOINT_IN		= 0x25,
Packit 030a23
    PIXMAN_OP_CONJOINT_IN_REVERSE	= 0x26,
Packit 030a23
    PIXMAN_OP_CONJOINT_OUT		= 0x27,
Packit 030a23
    PIXMAN_OP_CONJOINT_OUT_REVERSE	= 0x28,
Packit 030a23
    PIXMAN_OP_CONJOINT_ATOP		= 0x29,
Packit 030a23
    PIXMAN_OP_CONJOINT_ATOP_REVERSE	= 0x2a,
Packit 030a23
    PIXMAN_OP_CONJOINT_XOR		= 0x2b,
Packit 030a23
Packit 030a23
    PIXMAN_OP_MULTIPLY                  = 0x30,
Packit 030a23
    PIXMAN_OP_SCREEN                    = 0x31,
Packit 030a23
    PIXMAN_OP_OVERLAY                   = 0x32,
Packit 030a23
    PIXMAN_OP_DARKEN                    = 0x33,
Packit 030a23
    PIXMAN_OP_LIGHTEN                   = 0x34,
Packit 030a23
    PIXMAN_OP_COLOR_DODGE               = 0x35,
Packit 030a23
    PIXMAN_OP_COLOR_BURN                = 0x36,
Packit 030a23
    PIXMAN_OP_HARD_LIGHT                = 0x37,
Packit 030a23
    PIXMAN_OP_SOFT_LIGHT                = 0x38,
Packit 030a23
    PIXMAN_OP_DIFFERENCE                = 0x39,
Packit 030a23
    PIXMAN_OP_EXCLUSION                 = 0x3a,
Packit 030a23
    PIXMAN_OP_HSL_HUE			= 0x3b,
Packit 030a23
    PIXMAN_OP_HSL_SATURATION		= 0x3c,
Packit 030a23
    PIXMAN_OP_HSL_COLOR			= 0x3d,
Packit 030a23
    PIXMAN_OP_HSL_LUMINOSITY		= 0x3e
Packit 030a23
Packit 030a23
#ifdef PIXMAN_USE_INTERNAL_API
Packit 030a23
    ,
Packit 030a23
    PIXMAN_N_OPERATORS,
Packit 030a23
    PIXMAN_OP_NONE = PIXMAN_N_OPERATORS
Packit 030a23
#endif
Packit 030a23
} pixman_op_t;
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Regions
Packit 030a23
 */
Packit 030a23
typedef struct pixman_region16_data	pixman_region16_data_t;
Packit 030a23
typedef struct pixman_box16		pixman_box16_t;
Packit 030a23
typedef struct pixman_rectangle16	pixman_rectangle16_t;
Packit 030a23
typedef struct pixman_region16		pixman_region16_t;
Packit 030a23
Packit 030a23
struct pixman_region16_data {
Packit 030a23
    long		size;
Packit 030a23
    long		numRects;
Packit 030a23
/*  pixman_box16_t	rects[size];   in memory but not explicitly declared */
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_rectangle16
Packit 030a23
{
Packit 030a23
    int16_t	x, y;
Packit 030a23
    uint16_t	width, height;
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_box16
Packit 030a23
{
Packit 030a23
    int16_t x1, y1, x2, y2;
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_region16
Packit 030a23
{
Packit 030a23
    pixman_box16_t          extents;
Packit 030a23
    pixman_region16_data_t *data;
Packit 030a23
};
Packit 030a23
Packit 030a23
typedef enum
Packit 030a23
{
Packit 030a23
    PIXMAN_REGION_OUT,
Packit 030a23
    PIXMAN_REGION_IN,
Packit 030a23
    PIXMAN_REGION_PART
Packit 030a23
} pixman_region_overlap_t;
Packit 030a23
Packit 030a23
/* This function exists only to make it possible to preserve
Packit 030a23
 * the X ABI - it should go away at first opportunity.
Packit 030a23
 */
Packit 030a23
void pixman_region_set_static_pointers (pixman_box16_t         *empty_box,
Packit 030a23
					pixman_region16_data_t *empty_data,
Packit 030a23
					pixman_region16_data_t *broken_data);
Packit 030a23
Packit 030a23
/* creation/destruction */
Packit 030a23
void                    pixman_region_init               (pixman_region16_t *region);
Packit 030a23
void                    pixman_region_init_rect          (pixman_region16_t *region,
Packit 030a23
							  int                x,
Packit 030a23
							  int                y,
Packit 030a23
							  unsigned int       width,
Packit 030a23
							  unsigned int       height);
Packit 030a23
pixman_bool_t           pixman_region_init_rects         (pixman_region16_t *region,
Packit 030a23
							  const pixman_box16_t *boxes,
Packit 030a23
							  int                count);
Packit 030a23
void                    pixman_region_init_with_extents  (pixman_region16_t *region,
Packit 030a23
							  pixman_box16_t    *extents);
Packit 030a23
void                    pixman_region_init_from_image    (pixman_region16_t *region,
Packit 030a23
							  pixman_image_t    *image);
Packit 030a23
void                    pixman_region_fini               (pixman_region16_t *region);
Packit 030a23
Packit 030a23
Packit 030a23
/* manipulation */
Packit 030a23
void                    pixman_region_translate          (pixman_region16_t *region,
Packit 030a23
							  int                x,
Packit 030a23
							  int                y);
Packit 030a23
pixman_bool_t           pixman_region_copy               (pixman_region16_t *dest,
Packit 030a23
							  pixman_region16_t *source);
Packit 030a23
pixman_bool_t           pixman_region_intersect          (pixman_region16_t *new_reg,
Packit 030a23
							  pixman_region16_t *reg1,
Packit 030a23
							  pixman_region16_t *reg2);
Packit 030a23
pixman_bool_t           pixman_region_union              (pixman_region16_t *new_reg,
Packit 030a23
							  pixman_region16_t *reg1,
Packit 030a23
							  pixman_region16_t *reg2);
Packit 030a23
pixman_bool_t           pixman_region_union_rect         (pixman_region16_t *dest,
Packit 030a23
							  pixman_region16_t *source,
Packit 030a23
							  int                x,
Packit 030a23
							  int                y,
Packit 030a23
							  unsigned int       width,
Packit 030a23
							  unsigned int       height);
Packit 030a23
pixman_bool_t		pixman_region_intersect_rect     (pixman_region16_t *dest,
Packit 030a23
							  pixman_region16_t *source,
Packit 030a23
							  int                x,
Packit 030a23
							  int                y,
Packit 030a23
							  unsigned int       width,
Packit 030a23
							  unsigned int       height);
Packit 030a23
pixman_bool_t           pixman_region_subtract           (pixman_region16_t *reg_d,
Packit 030a23
							  pixman_region16_t *reg_m,
Packit 030a23
							  pixman_region16_t *reg_s);
Packit 030a23
pixman_bool_t           pixman_region_inverse            (pixman_region16_t *new_reg,
Packit 030a23
							  pixman_region16_t *reg1,
Packit 030a23
							  pixman_box16_t    *inv_rect);
Packit 030a23
pixman_bool_t           pixman_region_contains_point     (pixman_region16_t *region,
Packit 030a23
							  int                x,
Packit 030a23
							  int                y,
Packit 030a23
							  pixman_box16_t    *box);
Packit 030a23
pixman_region_overlap_t pixman_region_contains_rectangle (pixman_region16_t *region,
Packit 030a23
							  pixman_box16_t    *prect);
Packit 030a23
pixman_bool_t           pixman_region_not_empty          (pixman_region16_t *region);
Packit 030a23
pixman_box16_t *        pixman_region_extents            (pixman_region16_t *region);
Packit 030a23
int                     pixman_region_n_rects            (pixman_region16_t *region);
Packit 030a23
pixman_box16_t *        pixman_region_rectangles         (pixman_region16_t *region,
Packit 030a23
							  int               *n_rects);
Packit 030a23
pixman_bool_t           pixman_region_equal              (pixman_region16_t *region1,
Packit 030a23
							  pixman_region16_t *region2);
Packit 030a23
pixman_bool_t           pixman_region_selfcheck          (pixman_region16_t *region);
Packit 030a23
void                    pixman_region_reset              (pixman_region16_t *region,
Packit 030a23
							  pixman_box16_t    *box);
Packit 030a23
void			pixman_region_clear		 (pixman_region16_t *region);
Packit 030a23
/*
Packit 030a23
 * 32 bit regions
Packit 030a23
 */
Packit 030a23
typedef struct pixman_region32_data	pixman_region32_data_t;
Packit 030a23
typedef struct pixman_box32		pixman_box32_t;
Packit 030a23
typedef struct pixman_rectangle32	pixman_rectangle32_t;
Packit 030a23
typedef struct pixman_region32		pixman_region32_t;
Packit 030a23
Packit 030a23
struct pixman_region32_data {
Packit 030a23
    long		size;
Packit 030a23
    long		numRects;
Packit 030a23
/*  pixman_box32_t	rects[size];   in memory but not explicitly declared */
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_rectangle32
Packit 030a23
{
Packit 030a23
    int32_t x, y;
Packit 030a23
    uint32_t width, height;
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_box32
Packit 030a23
{
Packit 030a23
    int32_t x1, y1, x2, y2;
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_region32
Packit 030a23
{
Packit 030a23
    pixman_box32_t          extents;
Packit 030a23
    pixman_region32_data_t  *data;
Packit 030a23
};
Packit 030a23
Packit 030a23
/* creation/destruction */
Packit 030a23
void                    pixman_region32_init               (pixman_region32_t *region);
Packit 030a23
void                    pixman_region32_init_rect          (pixman_region32_t *region,
Packit 030a23
							    int                x,
Packit 030a23
							    int                y,
Packit 030a23
							    unsigned int       width,
Packit 030a23
							    unsigned int       height);
Packit 030a23
pixman_bool_t           pixman_region32_init_rects         (pixman_region32_t *region,
Packit 030a23
							    const pixman_box32_t *boxes,
Packit 030a23
							    int                count);
Packit 030a23
void                    pixman_region32_init_with_extents  (pixman_region32_t *region,
Packit 030a23
							    pixman_box32_t    *extents);
Packit 030a23
void                    pixman_region32_init_from_image    (pixman_region32_t *region,
Packit 030a23
							    pixman_image_t    *image);
Packit 030a23
void                    pixman_region32_fini               (pixman_region32_t *region);
Packit 030a23
Packit 030a23
Packit 030a23
/* manipulation */
Packit 030a23
void                    pixman_region32_translate          (pixman_region32_t *region,
Packit 030a23
							    int                x,
Packit 030a23
							    int                y);
Packit 030a23
pixman_bool_t           pixman_region32_copy               (pixman_region32_t *dest,
Packit 030a23
							    pixman_region32_t *source);
Packit 030a23
pixman_bool_t           pixman_region32_intersect          (pixman_region32_t *new_reg,
Packit 030a23
							    pixman_region32_t *reg1,
Packit 030a23
							    pixman_region32_t *reg2);
Packit 030a23
pixman_bool_t           pixman_region32_union              (pixman_region32_t *new_reg,
Packit 030a23
							    pixman_region32_t *reg1,
Packit 030a23
							    pixman_region32_t *reg2);
Packit 030a23
pixman_bool_t		pixman_region32_intersect_rect     (pixman_region32_t *dest,
Packit 030a23
							    pixman_region32_t *source,
Packit 030a23
							    int                x,
Packit 030a23
							    int                y,
Packit 030a23
							    unsigned int       width,
Packit 030a23
							    unsigned int       height);
Packit 030a23
pixman_bool_t           pixman_region32_union_rect         (pixman_region32_t *dest,
Packit 030a23
							    pixman_region32_t *source,
Packit 030a23
							    int                x,
Packit 030a23
							    int                y,
Packit 030a23
							    unsigned int       width,
Packit 030a23
							    unsigned int       height);
Packit 030a23
pixman_bool_t           pixman_region32_subtract           (pixman_region32_t *reg_d,
Packit 030a23
							    pixman_region32_t *reg_m,
Packit 030a23
							    pixman_region32_t *reg_s);
Packit 030a23
pixman_bool_t           pixman_region32_inverse            (pixman_region32_t *new_reg,
Packit 030a23
							    pixman_region32_t *reg1,
Packit 030a23
							    pixman_box32_t    *inv_rect);
Packit 030a23
pixman_bool_t           pixman_region32_contains_point     (pixman_region32_t *region,
Packit 030a23
							    int                x,
Packit 030a23
							    int                y,
Packit 030a23
							    pixman_box32_t    *box);
Packit 030a23
pixman_region_overlap_t pixman_region32_contains_rectangle (pixman_region32_t *region,
Packit 030a23
							    pixman_box32_t    *prect);
Packit 030a23
pixman_bool_t           pixman_region32_not_empty          (pixman_region32_t *region);
Packit 030a23
pixman_box32_t *        pixman_region32_extents            (pixman_region32_t *region);
Packit 030a23
int                     pixman_region32_n_rects            (pixman_region32_t *region);
Packit 030a23
pixman_box32_t *        pixman_region32_rectangles         (pixman_region32_t *region,
Packit 030a23
							    int               *n_rects);
Packit 030a23
pixman_bool_t           pixman_region32_equal              (pixman_region32_t *region1,
Packit 030a23
							    pixman_region32_t *region2);
Packit 030a23
pixman_bool_t           pixman_region32_selfcheck          (pixman_region32_t *region);
Packit 030a23
void                    pixman_region32_reset              (pixman_region32_t *region,
Packit 030a23
							    pixman_box32_t    *box);
Packit 030a23
void			pixman_region32_clear		   (pixman_region32_t *region);
Packit 030a23
Packit 030a23
Packit 030a23
/* Copy / Fill / Misc */
Packit 030a23
pixman_bool_t pixman_blt                (uint32_t           *src_bits,
Packit 030a23
					 uint32_t           *dst_bits,
Packit 030a23
					 int                 src_stride,
Packit 030a23
					 int                 dst_stride,
Packit 030a23
					 int                 src_bpp,
Packit 030a23
					 int                 dst_bpp,
Packit 030a23
					 int                 src_x,
Packit 030a23
					 int                 src_y,
Packit 030a23
					 int                 dest_x,
Packit 030a23
					 int                 dest_y,
Packit 030a23
					 int                 width,
Packit 030a23
					 int                 height);
Packit 030a23
pixman_bool_t pixman_fill               (uint32_t           *bits,
Packit 030a23
					 int                 stride,
Packit 030a23
					 int                 bpp,
Packit 030a23
					 int                 x,
Packit 030a23
					 int                 y,
Packit 030a23
					 int                 width,
Packit 030a23
					 int                 height,
Packit 030a23
					 uint32_t            _xor);
Packit 030a23
Packit 030a23
int           pixman_version            (void);
Packit 030a23
const char*   pixman_version_string     (void);
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Images
Packit 030a23
 */
Packit 030a23
typedef struct pixman_indexed		pixman_indexed_t;
Packit 030a23
typedef struct pixman_gradient_stop	pixman_gradient_stop_t;
Packit 030a23
Packit 030a23
typedef uint32_t (* pixman_read_memory_func_t) (const void *src, int size);
Packit 030a23
typedef void     (* pixman_write_memory_func_t) (void *dst, uint32_t value, int size);
Packit 030a23
Packit 030a23
typedef void     (* pixman_image_destroy_func_t) (pixman_image_t *image, void *data);
Packit 030a23
Packit 030a23
struct pixman_gradient_stop {
Packit 030a23
    pixman_fixed_t x;
Packit 030a23
    pixman_color_t color;
Packit 030a23
};
Packit 030a23
Packit 030a23
#define PIXMAN_MAX_INDEXED  256 /* XXX depth must be <= 8 */
Packit 030a23
Packit 030a23
#if PIXMAN_MAX_INDEXED <= 256
Packit 030a23
typedef uint8_t pixman_index_type;
Packit 030a23
#endif
Packit 030a23
Packit 030a23
struct pixman_indexed
Packit 030a23
{
Packit 030a23
    pixman_bool_t       color;
Packit 030a23
    uint32_t		rgba[PIXMAN_MAX_INDEXED];
Packit 030a23
    pixman_index_type	ent[32768];
Packit 030a23
};
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * While the protocol is generous in format support, the
Packit 030a23
 * sample implementation allows only packed RGB and GBR
Packit 030a23
 * representations for data to simplify software rendering,
Packit 030a23
 */
Packit 030a23
#define PIXMAN_FORMAT(bpp,type,a,r,g,b)	(((bpp) << 24) |  \
Packit 030a23
					 ((type) << 16) | \
Packit 030a23
					 ((a) << 12) |	  \
Packit 030a23
					 ((r) << 8) |	  \
Packit 030a23
					 ((g) << 4) |	  \
Packit 030a23
					 ((b)))
Packit 030a23
Packit 030a23
#define PIXMAN_FORMAT_BPP(f)	(((f) >> 24)       )
Packit 030a23
#define PIXMAN_FORMAT_TYPE(f)	(((f) >> 16) & 0xff)
Packit 030a23
#define PIXMAN_FORMAT_A(f)	(((f) >> 12) & 0x0f)
Packit 030a23
#define PIXMAN_FORMAT_R(f)	(((f) >>  8) & 0x0f)
Packit 030a23
#define PIXMAN_FORMAT_G(f)	(((f) >>  4) & 0x0f)
Packit 030a23
#define PIXMAN_FORMAT_B(f)	(((f)      ) & 0x0f)
Packit 030a23
#define PIXMAN_FORMAT_RGB(f)	(((f)      ) & 0xfff)
Packit 030a23
#define PIXMAN_FORMAT_VIS(f)	(((f)      ) & 0xffff)
Packit 030a23
#define PIXMAN_FORMAT_DEPTH(f)	(PIXMAN_FORMAT_A(f) +	\
Packit 030a23
				 PIXMAN_FORMAT_R(f) +	\
Packit 030a23
				 PIXMAN_FORMAT_G(f) +	\
Packit 030a23
				 PIXMAN_FORMAT_B(f))
Packit 030a23
Packit 030a23
#define PIXMAN_TYPE_OTHER	0
Packit 030a23
#define PIXMAN_TYPE_A		1
Packit 030a23
#define PIXMAN_TYPE_ARGB	2
Packit 030a23
#define PIXMAN_TYPE_ABGR	3
Packit 030a23
#define PIXMAN_TYPE_COLOR	4
Packit 030a23
#define PIXMAN_TYPE_GRAY	5
Packit 030a23
#define PIXMAN_TYPE_YUY2	6
Packit 030a23
#define PIXMAN_TYPE_YV12	7
Packit 030a23
#define PIXMAN_TYPE_BGRA	8
Packit 030a23
#define PIXMAN_TYPE_RGBA	9
Packit 030a23
#define PIXMAN_TYPE_ARGB_SRGB	10
Packit 030a23
Packit 030a23
#define PIXMAN_FORMAT_COLOR(f)				\
Packit 030a23
	(PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB ||	\
Packit 030a23
	 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ABGR ||	\
Packit 030a23
	 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_BGRA ||	\
Packit 030a23
	 PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_RGBA)
Packit 030a23
Packit 030a23
/* 32bpp formats */
Packit 030a23
typedef enum {
Packit 030a23
    PIXMAN_a8r8g8b8 =	 PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,8,8,8,8),
Packit 030a23
    PIXMAN_x8r8g8b8 =	 PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,8,8,8),
Packit 030a23
    PIXMAN_a8b8g8r8 =	 PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,8,8,8,8),
Packit 030a23
    PIXMAN_x8b8g8r8 =	 PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,8,8,8),
Packit 030a23
    PIXMAN_b8g8r8a8 =	 PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,8,8,8,8),
Packit 030a23
    PIXMAN_b8g8r8x8 =	 PIXMAN_FORMAT(32,PIXMAN_TYPE_BGRA,0,8,8,8),
Packit 030a23
    PIXMAN_r8g8b8a8 =	 PIXMAN_FORMAT(32,PIXMAN_TYPE_RGBA,8,8,8,8),
Packit 030a23
    PIXMAN_r8g8b8x8 =	 PIXMAN_FORMAT(32,PIXMAN_TYPE_RGBA,0,8,8,8),
Packit 030a23
    PIXMAN_x14r6g6b6 =	 PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,6,6,6),
Packit 030a23
    PIXMAN_x2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,0,10,10,10),
Packit 030a23
    PIXMAN_a2r10g10b10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB,2,10,10,10),
Packit 030a23
    PIXMAN_x2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,0,10,10,10),
Packit 030a23
    PIXMAN_a2b10g10r10 = PIXMAN_FORMAT(32,PIXMAN_TYPE_ABGR,2,10,10,10),
Packit 030a23
Packit 030a23
/* sRGB formats */
Packit 030a23
    PIXMAN_a8r8g8b8_sRGB = PIXMAN_FORMAT(32,PIXMAN_TYPE_ARGB_SRGB,8,8,8,8),
Packit 030a23
Packit 030a23
/* 24bpp formats */
Packit 030a23
    PIXMAN_r8g8b8 =	 PIXMAN_FORMAT(24,PIXMAN_TYPE_ARGB,0,8,8,8),
Packit 030a23
    PIXMAN_b8g8r8 =	 PIXMAN_FORMAT(24,PIXMAN_TYPE_ABGR,0,8,8,8),
Packit 030a23
Packit 030a23
/* 16bpp formats */
Packit 030a23
    PIXMAN_r5g6b5 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,6,5),
Packit 030a23
    PIXMAN_b5g6r5 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,6,5),
Packit 030a23
Packit 030a23
    PIXMAN_a1r5g5b5 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,1,5,5,5),
Packit 030a23
    PIXMAN_x1r5g5b5 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,5,5,5),
Packit 030a23
    PIXMAN_a1b5g5r5 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,1,5,5,5),
Packit 030a23
    PIXMAN_x1b5g5r5 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,5,5,5),
Packit 030a23
    PIXMAN_a4r4g4b4 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,4,4,4,4),
Packit 030a23
    PIXMAN_x4r4g4b4 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ARGB,0,4,4,4),
Packit 030a23
    PIXMAN_a4b4g4r4 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,4,4,4,4),
Packit 030a23
    PIXMAN_x4b4g4r4 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_ABGR,0,4,4,4),
Packit 030a23
Packit 030a23
/* 8bpp formats */
Packit 030a23
    PIXMAN_a8 =		 PIXMAN_FORMAT(8,PIXMAN_TYPE_A,8,0,0,0),
Packit 030a23
    PIXMAN_r3g3b2 =	 PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,0,3,3,2),
Packit 030a23
    PIXMAN_b2g3r3 =	 PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,0,3,3,2),
Packit 030a23
    PIXMAN_a2r2g2b2 =	 PIXMAN_FORMAT(8,PIXMAN_TYPE_ARGB,2,2,2,2),
Packit 030a23
    PIXMAN_a2b2g2r2 =	 PIXMAN_FORMAT(8,PIXMAN_TYPE_ABGR,2,2,2,2),
Packit 030a23
Packit 030a23
    PIXMAN_c8 =		 PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
Packit 030a23
    PIXMAN_g8 =		 PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
Packit 030a23
Packit 030a23
    PIXMAN_x4a4 =	 PIXMAN_FORMAT(8,PIXMAN_TYPE_A,4,0,0,0),
Packit 030a23
Packit 030a23
    PIXMAN_x4c4 =	 PIXMAN_FORMAT(8,PIXMAN_TYPE_COLOR,0,0,0,0),
Packit 030a23
    PIXMAN_x4g4 =	 PIXMAN_FORMAT(8,PIXMAN_TYPE_GRAY,0,0,0,0),
Packit 030a23
Packit 030a23
/* 4bpp formats */
Packit 030a23
    PIXMAN_a4 =		 PIXMAN_FORMAT(4,PIXMAN_TYPE_A,4,0,0,0),
Packit 030a23
    PIXMAN_r1g2b1 =	 PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,0,1,2,1),
Packit 030a23
    PIXMAN_b1g2r1 =	 PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,0,1,2,1),
Packit 030a23
    PIXMAN_a1r1g1b1 =	 PIXMAN_FORMAT(4,PIXMAN_TYPE_ARGB,1,1,1,1),
Packit 030a23
    PIXMAN_a1b1g1r1 =	 PIXMAN_FORMAT(4,PIXMAN_TYPE_ABGR,1,1,1,1),
Packit 030a23
Packit 030a23
    PIXMAN_c4 =		 PIXMAN_FORMAT(4,PIXMAN_TYPE_COLOR,0,0,0,0),
Packit 030a23
    PIXMAN_g4 =		 PIXMAN_FORMAT(4,PIXMAN_TYPE_GRAY,0,0,0,0),
Packit 030a23
Packit 030a23
/* 1bpp formats */
Packit 030a23
    PIXMAN_a1 =		 PIXMAN_FORMAT(1,PIXMAN_TYPE_A,1,0,0,0),
Packit 030a23
Packit 030a23
    PIXMAN_g1 =		 PIXMAN_FORMAT(1,PIXMAN_TYPE_GRAY,0,0,0,0),
Packit 030a23
Packit 030a23
/* YUV formats */
Packit 030a23
    PIXMAN_yuy2 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0),
Packit 030a23
    PIXMAN_yv12 =	 PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0)
Packit 030a23
} pixman_format_code_t;
Packit 030a23
Packit 030a23
/* Querying supported format values. */
Packit 030a23
pixman_bool_t pixman_format_supported_destination (pixman_format_code_t format);
Packit 030a23
pixman_bool_t pixman_format_supported_source      (pixman_format_code_t format);
Packit 030a23
Packit 030a23
/* Constructors */
Packit 030a23
pixman_image_t *pixman_image_create_solid_fill       (const pixman_color_t         *color);
Packit 030a23
pixman_image_t *pixman_image_create_linear_gradient  (const pixman_point_fixed_t   *p1,
Packit 030a23
						      const pixman_point_fixed_t   *p2,
Packit 030a23
						      const pixman_gradient_stop_t *stops,
Packit 030a23
						      int                           n_stops);
Packit 030a23
pixman_image_t *pixman_image_create_radial_gradient  (const pixman_point_fixed_t   *inner,
Packit 030a23
						      const pixman_point_fixed_t   *outer,
Packit 030a23
						      pixman_fixed_t                inner_radius,
Packit 030a23
						      pixman_fixed_t                outer_radius,
Packit 030a23
						      const pixman_gradient_stop_t *stops,
Packit 030a23
						      int                           n_stops);
Packit 030a23
pixman_image_t *pixman_image_create_conical_gradient (const pixman_point_fixed_t   *center,
Packit 030a23
						      pixman_fixed_t                angle,
Packit 030a23
						      const pixman_gradient_stop_t *stops,
Packit 030a23
						      int                           n_stops);
Packit 030a23
pixman_image_t *pixman_image_create_bits             (pixman_format_code_t          format,
Packit 030a23
						      int                           width,
Packit 030a23
						      int                           height,
Packit 030a23
						      uint32_t                     *bits,
Packit 030a23
						      int                           rowstride_bytes);
Packit 030a23
pixman_image_t *pixman_image_create_bits_no_clear    (pixman_format_code_t format,
Packit 030a23
						      int                  width,
Packit 030a23
						      int                  height,
Packit 030a23
						      uint32_t *           bits,
Packit 030a23
						      int                  rowstride_bytes);
Packit 030a23
Packit 030a23
/* Destructor */
Packit 030a23
pixman_image_t *pixman_image_ref                     (pixman_image_t               *image);
Packit 030a23
pixman_bool_t   pixman_image_unref                   (pixman_image_t               *image);
Packit 030a23
Packit 030a23
void		pixman_image_set_destroy_function    (pixman_image_t		   *image,
Packit 030a23
						      pixman_image_destroy_func_t   function,
Packit 030a23
						      void			   *data);
Packit 030a23
void *		pixman_image_get_destroy_data        (pixman_image_t		   *image);
Packit 030a23
Packit 030a23
/* Set properties */
Packit 030a23
pixman_bool_t   pixman_image_set_clip_region         (pixman_image_t               *image,
Packit 030a23
						      pixman_region16_t            *region);
Packit 030a23
pixman_bool_t   pixman_image_set_clip_region32       (pixman_image_t               *image,
Packit 030a23
						      pixman_region32_t            *region);
Packit 030a23
void		pixman_image_set_has_client_clip     (pixman_image_t               *image,
Packit 030a23
						      pixman_bool_t		    clien_clip);
Packit 030a23
pixman_bool_t   pixman_image_set_transform           (pixman_image_t               *image,
Packit 030a23
						      const pixman_transform_t     *transform);
Packit 030a23
void            pixman_image_set_repeat              (pixman_image_t               *image,
Packit 030a23
						      pixman_repeat_t               repeat);
Packit 030a23
pixman_bool_t   pixman_image_set_filter              (pixman_image_t               *image,
Packit 030a23
						      pixman_filter_t               filter,
Packit 030a23
						      const pixman_fixed_t         *filter_params,
Packit 030a23
						      int                           n_filter_params);
Packit 030a23
void		pixman_image_set_source_clipping     (pixman_image_t		   *image,
Packit 030a23
						      pixman_bool_t                 source_clipping);
Packit 030a23
void            pixman_image_set_alpha_map           (pixman_image_t               *image,
Packit 030a23
						      pixman_image_t               *alpha_map,
Packit 030a23
						      int16_t                       x,
Packit 030a23
						      int16_t                       y);
Packit 030a23
void            pixman_image_set_component_alpha     (pixman_image_t               *image,
Packit 030a23
						      pixman_bool_t                 component_alpha);
Packit 030a23
pixman_bool_t   pixman_image_get_component_alpha     (pixman_image_t               *image);
Packit 030a23
void		pixman_image_set_accessors	     (pixman_image_t		   *image,
Packit 030a23
						      pixman_read_memory_func_t	    read_func,
Packit 030a23
						      pixman_write_memory_func_t    write_func);
Packit 030a23
void		pixman_image_set_indexed	     (pixman_image_t		   *image,
Packit 030a23
						      const pixman_indexed_t	   *indexed);
Packit 030a23
uint32_t       *pixman_image_get_data                (pixman_image_t               *image);
Packit 030a23
int		pixman_image_get_width               (pixman_image_t               *image);
Packit 030a23
int             pixman_image_get_height              (pixman_image_t               *image);
Packit 030a23
int		pixman_image_get_stride              (pixman_image_t               *image); /* in bytes */
Packit 030a23
int		pixman_image_get_depth               (pixman_image_t		   *image);
Packit 030a23
pixman_format_code_t pixman_image_get_format	     (pixman_image_t		   *image);
Packit 030a23
Packit 030a23
typedef enum
Packit 030a23
{
Packit 030a23
    PIXMAN_KERNEL_IMPULSE,
Packit 030a23
    PIXMAN_KERNEL_BOX,
Packit 030a23
    PIXMAN_KERNEL_LINEAR,
Packit 030a23
    PIXMAN_KERNEL_CUBIC,
Packit 030a23
    PIXMAN_KERNEL_GAUSSIAN,
Packit 030a23
    PIXMAN_KERNEL_LANCZOS2,
Packit 030a23
    PIXMAN_KERNEL_LANCZOS3,
Packit 030a23
    PIXMAN_KERNEL_LANCZOS3_STRETCHED       /* Jim Blinn's 'nice' filter */
Packit 030a23
} pixman_kernel_t;
Packit 030a23
Packit 030a23
/* Create the parameter list for a SEPARABLE_CONVOLUTION filter
Packit 030a23
 * with the given kernels and scale parameters.
Packit 030a23
 */
Packit 030a23
pixman_fixed_t *
Packit 030a23
pixman_filter_create_separable_convolution (int             *n_values,
Packit 030a23
					    pixman_fixed_t   scale_x,
Packit 030a23
					    pixman_fixed_t   scale_y,
Packit 030a23
					    pixman_kernel_t  reconstruct_x,
Packit 030a23
					    pixman_kernel_t  reconstruct_y,
Packit 030a23
					    pixman_kernel_t  sample_x,
Packit 030a23
					    pixman_kernel_t  sample_y,
Packit 030a23
					    int              subsample_bits_x,
Packit 030a23
					    int              subsample_bits_y);
Packit 030a23
Packit 030a23
pixman_bool_t	pixman_image_fill_rectangles	     (pixman_op_t		    op,
Packit 030a23
						      pixman_image_t		   *image,
Packit 030a23
						      const pixman_color_t	   *color,
Packit 030a23
						      int			    n_rects,
Packit 030a23
						      const pixman_rectangle16_t   *rects);
Packit 030a23
pixman_bool_t   pixman_image_fill_boxes              (pixman_op_t                   op,
Packit 030a23
                                                      pixman_image_t               *dest,
Packit 030a23
                                                      const pixman_color_t         *color,
Packit 030a23
                                                      int                           n_boxes,
Packit 030a23
                                                      const pixman_box32_t         *boxes);
Packit 030a23
Packit 030a23
/* Composite */
Packit 030a23
pixman_bool_t pixman_compute_composite_region (pixman_region16_t *region,
Packit 030a23
					       pixman_image_t    *src_image,
Packit 030a23
					       pixman_image_t    *mask_image,
Packit 030a23
					       pixman_image_t    *dest_image,
Packit 030a23
					       int16_t            src_x,
Packit 030a23
					       int16_t            src_y,
Packit 030a23
					       int16_t            mask_x,
Packit 030a23
					       int16_t            mask_y,
Packit 030a23
					       int16_t            dest_x,
Packit 030a23
					       int16_t            dest_y,
Packit 030a23
					       uint16_t           width,
Packit 030a23
					       uint16_t           height);
Packit 030a23
void          pixman_image_composite          (pixman_op_t        op,
Packit 030a23
					       pixman_image_t    *src,
Packit 030a23
					       pixman_image_t    *mask,
Packit 030a23
					       pixman_image_t    *dest,
Packit 030a23
					       int16_t            src_x,
Packit 030a23
					       int16_t            src_y,
Packit 030a23
					       int16_t            mask_x,
Packit 030a23
					       int16_t            mask_y,
Packit 030a23
					       int16_t            dest_x,
Packit 030a23
					       int16_t            dest_y,
Packit 030a23
					       uint16_t           width,
Packit 030a23
					       uint16_t           height);
Packit 030a23
void          pixman_image_composite32        (pixman_op_t        op,
Packit 030a23
					       pixman_image_t    *src,
Packit 030a23
					       pixman_image_t    *mask,
Packit 030a23
					       pixman_image_t    *dest,
Packit 030a23
					       int32_t            src_x,
Packit 030a23
					       int32_t            src_y,
Packit 030a23
					       int32_t            mask_x,
Packit 030a23
					       int32_t            mask_y,
Packit 030a23
					       int32_t            dest_x,
Packit 030a23
					       int32_t            dest_y,
Packit 030a23
					       int32_t            width,
Packit 030a23
					       int32_t            height);
Packit 030a23
Packit 030a23
/* Executive Summary: This function is a no-op that only exists
Packit 030a23
 * for historical reasons.
Packit 030a23
 *
Packit 030a23
 * There used to be a bug in the X server where it would rely on
Packit 030a23
 * out-of-bounds accesses when it was asked to composite with a
Packit 030a23
 * window as the source. It would create a pixman image pointing
Packit 030a23
 * to some bogus position in memory, but then set a clip region
Packit 030a23
 * to the position where the actual bits were.
Packit 030a23
 *
Packit 030a23
 * Due to a bug in old versions of pixman, where it would not clip
Packit 030a23
 * against the image bounds when a clip region was set, this would
Packit 030a23
 * actually work. So when the pixman bug was fixed, a workaround was
Packit 030a23
 * added to allow certain out-of-bound accesses. This function disabled
Packit 030a23
 * those workarounds.
Packit 030a23
 *
Packit 030a23
 * Since 0.21.2, pixman doesn't do these workarounds anymore, so now this
Packit 030a23
 * function is a no-op.
Packit 030a23
 */
Packit 030a23
void pixman_disable_out_of_bounds_workaround (void);
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Glyphs
Packit 030a23
 */
Packit 030a23
typedef struct pixman_glyph_cache_t pixman_glyph_cache_t;
Packit 030a23
typedef struct
Packit 030a23
{
Packit 030a23
    int		x, y;
Packit 030a23
    const void *glyph;
Packit 030a23
} pixman_glyph_t;
Packit 030a23
Packit 030a23
pixman_glyph_cache_t *pixman_glyph_cache_create       (void);
Packit 030a23
void                  pixman_glyph_cache_destroy      (pixman_glyph_cache_t *cache);
Packit 030a23
void                  pixman_glyph_cache_freeze       (pixman_glyph_cache_t *cache);
Packit 030a23
void                  pixman_glyph_cache_thaw         (pixman_glyph_cache_t *cache);
Packit 030a23
const void *          pixman_glyph_cache_lookup       (pixman_glyph_cache_t *cache,
Packit 030a23
						       void                 *font_key,
Packit 030a23
						       void                 *glyph_key);
Packit 030a23
const void *          pixman_glyph_cache_insert       (pixman_glyph_cache_t *cache,
Packit 030a23
						       void                 *font_key,
Packit 030a23
						       void                 *glyph_key,
Packit 030a23
						       int		     origin_x,
Packit 030a23
						       int                   origin_y,
Packit 030a23
						       pixman_image_t       *glyph_image);
Packit 030a23
void                  pixman_glyph_cache_remove       (pixman_glyph_cache_t *cache,
Packit 030a23
						       void                 *font_key,
Packit 030a23
						       void                 *glyph_key);
Packit 030a23
void                  pixman_glyph_get_extents        (pixman_glyph_cache_t *cache,
Packit 030a23
						       int                   n_glyphs,
Packit 030a23
						       pixman_glyph_t       *glyphs,
Packit 030a23
						       pixman_box32_t       *extents);
Packit 030a23
pixman_format_code_t  pixman_glyph_get_mask_format    (pixman_glyph_cache_t *cache,
Packit 030a23
						       int		     n_glyphs,
Packit 030a23
						       const pixman_glyph_t *glyphs);
Packit 030a23
void                  pixman_composite_glyphs         (pixman_op_t           op,
Packit 030a23
						       pixman_image_t       *src,
Packit 030a23
						       pixman_image_t       *dest,
Packit 030a23
						       pixman_format_code_t  mask_format,
Packit 030a23
						       int32_t               src_x,
Packit 030a23
						       int32_t               src_y,
Packit 030a23
						       int32_t		     mask_x,
Packit 030a23
						       int32_t		     mask_y,
Packit 030a23
						       int32_t               dest_x,
Packit 030a23
						       int32_t               dest_y,
Packit 030a23
						       int32_t		     width,
Packit 030a23
						       int32_t		     height,
Packit 030a23
						       pixman_glyph_cache_t *cache,
Packit 030a23
						       int		     n_glyphs,
Packit 030a23
						       const pixman_glyph_t *glyphs);
Packit 030a23
void                  pixman_composite_glyphs_no_mask (pixman_op_t           op,
Packit 030a23
						       pixman_image_t       *src,
Packit 030a23
						       pixman_image_t       *dest,
Packit 030a23
						       int32_t               src_x,
Packit 030a23
						       int32_t               src_y,
Packit 030a23
						       int32_t               dest_x,
Packit 030a23
						       int32_t               dest_y,
Packit 030a23
						       pixman_glyph_cache_t *cache,
Packit 030a23
						       int		     n_glyphs,
Packit 030a23
						       const pixman_glyph_t *glyphs);
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * Trapezoids
Packit 030a23
 */
Packit 030a23
typedef struct pixman_edge pixman_edge_t;
Packit 030a23
typedef struct pixman_trapezoid pixman_trapezoid_t;
Packit 030a23
typedef struct pixman_trap pixman_trap_t;
Packit 030a23
typedef struct pixman_span_fix pixman_span_fix_t;
Packit 030a23
typedef struct pixman_triangle pixman_triangle_t;
Packit 030a23
Packit 030a23
/*
Packit 030a23
 * An edge structure.  This represents a single polygon edge
Packit 030a23
 * and can be quickly stepped across small or large gaps in the
Packit 030a23
 * sample grid
Packit 030a23
 */
Packit 030a23
struct pixman_edge
Packit 030a23
{
Packit 030a23
    pixman_fixed_t	x;
Packit 030a23
    pixman_fixed_t	e;
Packit 030a23
    pixman_fixed_t	stepx;
Packit 030a23
    pixman_fixed_t	signdx;
Packit 030a23
    pixman_fixed_t	dy;
Packit 030a23
    pixman_fixed_t	dx;
Packit 030a23
Packit 030a23
    pixman_fixed_t	stepx_small;
Packit 030a23
    pixman_fixed_t	stepx_big;
Packit 030a23
    pixman_fixed_t	dx_small;
Packit 030a23
    pixman_fixed_t	dx_big;
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_trapezoid
Packit 030a23
{
Packit 030a23
    pixman_fixed_t	top, bottom;
Packit 030a23
    pixman_line_fixed_t	left, right;
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_triangle
Packit 030a23
{
Packit 030a23
    pixman_point_fixed_t p1, p2, p3;
Packit 030a23
};
Packit 030a23
Packit 030a23
/* whether 't' is a well defined not obviously empty trapezoid */
Packit 030a23
#define pixman_trapezoid_valid(t)				   \
Packit 030a23
    ((t)->left.p1.y != (t)->left.p2.y &&			   \
Packit 030a23
     (t)->right.p1.y != (t)->right.p2.y &&			   \
Packit 030a23
     ((t)->bottom > (t)->top))
Packit 030a23
Packit 030a23
struct pixman_span_fix
Packit 030a23
{
Packit 030a23
    pixman_fixed_t	l, r, y;
Packit 030a23
};
Packit 030a23
Packit 030a23
struct pixman_trap
Packit 030a23
{
Packit 030a23
    pixman_span_fix_t	top, bot;
Packit 030a23
};
Packit 030a23
Packit 030a23
pixman_fixed_t pixman_sample_ceil_y        (pixman_fixed_t             y,
Packit 030a23
					    int                        bpp);
Packit 030a23
pixman_fixed_t pixman_sample_floor_y       (pixman_fixed_t             y,
Packit 030a23
					    int                        bpp);
Packit 030a23
void           pixman_edge_step            (pixman_edge_t             *e,
Packit 030a23
					    int                        n);
Packit 030a23
void           pixman_edge_init            (pixman_edge_t             *e,
Packit 030a23
					    int                        bpp,
Packit 030a23
					    pixman_fixed_t             y_start,
Packit 030a23
					    pixman_fixed_t             x_top,
Packit 030a23
					    pixman_fixed_t             y_top,
Packit 030a23
					    pixman_fixed_t             x_bot,
Packit 030a23
					    pixman_fixed_t             y_bot);
Packit 030a23
void           pixman_line_fixed_edge_init (pixman_edge_t             *e,
Packit 030a23
					    int                        bpp,
Packit 030a23
					    pixman_fixed_t             y,
Packit 030a23
					    const pixman_line_fixed_t *line,
Packit 030a23
					    int                        x_off,
Packit 030a23
					    int                        y_off);
Packit 030a23
void           pixman_rasterize_edges      (pixman_image_t            *image,
Packit 030a23
					    pixman_edge_t             *l,
Packit 030a23
					    pixman_edge_t             *r,
Packit 030a23
					    pixman_fixed_t             t,
Packit 030a23
					    pixman_fixed_t             b);
Packit 030a23
void           pixman_add_traps            (pixman_image_t            *image,
Packit 030a23
					    int16_t                    x_off,
Packit 030a23
					    int16_t                    y_off,
Packit 030a23
					    int                        ntrap,
Packit 030a23
					    const pixman_trap_t       *traps);
Packit 030a23
void           pixman_add_trapezoids       (pixman_image_t            *image,
Packit 030a23
					    int16_t                    x_off,
Packit 030a23
					    int                        y_off,
Packit 030a23
					    int                        ntraps,
Packit 030a23
					    const pixman_trapezoid_t  *traps);
Packit 030a23
void           pixman_rasterize_trapezoid  (pixman_image_t            *image,
Packit 030a23
					    const pixman_trapezoid_t  *trap,
Packit 030a23
					    int                        x_off,
Packit 030a23
					    int                        y_off);
Packit 030a23
void          pixman_composite_trapezoids (pixman_op_t		       op,
Packit 030a23
					   pixman_image_t *	       src,
Packit 030a23
					   pixman_image_t *	       dst,
Packit 030a23
					   pixman_format_code_t	       mask_format,
Packit 030a23
					   int			       x_src,
Packit 030a23
					   int			       y_src,
Packit 030a23
					   int			       x_dst,
Packit 030a23
					   int			       y_dst,
Packit 030a23
					   int			       n_traps,
Packit 030a23
					   const pixman_trapezoid_t *  traps);
Packit 030a23
void          pixman_composite_triangles (pixman_op_t		       op,
Packit 030a23
					  pixman_image_t *	       src,
Packit 030a23
					  pixman_image_t *	       dst,
Packit 030a23
					  pixman_format_code_t	       mask_format,
Packit 030a23
					  int			       x_src,
Packit 030a23
					  int			       y_src,
Packit 030a23
					  int			       x_dst,
Packit 030a23
					  int			       y_dst,
Packit 030a23
					  int			       n_tris,
Packit 030a23
					  const pixman_triangle_t *    tris);
Packit 030a23
void	      pixman_add_triangles       (pixman_image_t              *image,
Packit 030a23
					  int32_t	               x_off,
Packit 030a23
					  int32_t	               y_off,
Packit 030a23
					  int	                       n_tris,
Packit 030a23
					  const pixman_triangle_t     *tris);
Packit 030a23
Packit 030a23
PIXMAN_END_DECLS
Packit 030a23
Packit 030a23
#endif /* PIXMAN_H__ */