forked from KolibriOS/kolibrios
90 lines
3.3 KiB
C
90 lines
3.3 KiB
C
|
/* cairo - a vector graphics library with display and print output
|
||
|
|
*
|
||
|
|
* Copyright © 2011 Intel Corporation.
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it either under the terms of the GNU Lesser General Public
|
||
|
|
* License version 2.1 as published by the Free Software Foundation
|
||
|
|
* (the "LGPL") or, at your option, under the terms of the Mozilla
|
||
|
|
* Public License Version 1.1 (the "MPL"). If you do not alter this
|
||
|
|
* notice, a recipient may use your version of this file under either
|
||
|
|
* the MPL or the LGPL.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the LGPL along with this library
|
||
|
|
* in the file COPYING-LGPL-2.1; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
|
||
|
|
* You should have received a copy of the MPL along with this library
|
||
|
|
* in the file COPYING-MPL-1.1
|
||
|
|
*
|
||
|
|
* The contents of this file are subject to the Mozilla Public License
|
||
|
|
* Version 1.1 (the "License"); you may not use this file except in
|
||
|
|
* compliance with the License. You may obtain a copy of the License at
|
||
|
|
* http://www.mozilla.og/MPL/
|
||
|
|
*
|
||
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
|
||
|
|
* OF ANY KIND, either express or implied. See the LGPL or the MPL for
|
||
|
|
* the specific language governing rights and limitations.
|
||
|
|
*
|
||
|
|
* Contributor(s):
|
||
|
|
* Robert Bragg <robert@linux.intel.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef CAIRO_COGL_GRADIENT_PRIVATE_H
|
||
|
|
#define CAIRO_COGL_GRADIENT_PRIVATE_H
|
||
|
|
|
||
|
|
#include "cairoint.h"
|
||
|
|
#include "cairo-pattern-private.h"
|
||
|
|
|
||
|
|
#include <cogl/cogl2-experimental.h>
|
||
|
|
|
||
|
|
#define CAIRO_COGL_LINEAR_GRADIENT_CACHE_SIZE (1024 * 1024)
|
||
|
|
|
||
|
|
typedef enum _cairo_cogl_gradient_compatibility {
|
||
|
|
CAIRO_COGL_GRADIENT_CAN_EXTEND_PAD = 1<<0,
|
||
|
|
CAIRO_COGL_GRADIENT_CAN_EXTEND_REPEAT = 1<<1,
|
||
|
|
CAIRO_COGL_GRADIENT_CAN_EXTEND_REFLECT = 1<<2,
|
||
|
|
CAIRO_COGL_GRADIENT_CAN_EXTEND_NONE = 1<<3
|
||
|
|
} cairo_cogl_gradient_compatibility_t;
|
||
|
|
#define CAIRO_COGL_GRADIENT_CAN_EXTEND_ALL (CAIRO_COGL_GRADIENT_CAN_EXTEND_PAD |\
|
||
|
|
CAIRO_COGL_GRADIENT_CAN_EXTEND_REPEAT|\
|
||
|
|
CAIRO_COGL_GRADIENT_CAN_EXTEND_REFLECT|\
|
||
|
|
CAIRO_COGL_GRADIENT_CAN_EXTEND_NONE)
|
||
|
|
|
||
|
|
typedef struct _cairo_cogl_linear_texture_entry {
|
||
|
|
cairo_cogl_gradient_compatibility_t compatibility;
|
||
|
|
CoglTexture *texture;
|
||
|
|
float translate_x;
|
||
|
|
float scale_x;
|
||
|
|
} cairo_cogl_linear_texture_entry_t;
|
||
|
|
|
||
|
|
typedef struct _cairo_cogl_linear_gradient {
|
||
|
|
cairo_cache_entry_t cache_entry;
|
||
|
|
cairo_reference_count_t ref_count;
|
||
|
|
GList *textures;
|
||
|
|
int n_stops;
|
||
|
|
const cairo_gradient_stop_t *stops;
|
||
|
|
cairo_gradient_stop_t stops_embedded[1];
|
||
|
|
} cairo_cogl_linear_gradient_t;
|
||
|
|
|
||
|
|
cairo_int_status_t
|
||
|
|
_cairo_cogl_get_linear_gradient (cairo_cogl_device_t *context,
|
||
|
|
cairo_extend_t extend_mode,
|
||
|
|
int n_stops,
|
||
|
|
const cairo_gradient_stop_t *stops,
|
||
|
|
cairo_cogl_linear_gradient_t **gradient_out);
|
||
|
|
|
||
|
|
cairo_cogl_linear_texture_entry_t *
|
||
|
|
_cairo_cogl_linear_gradient_texture_for_extend (cairo_cogl_linear_gradient_t *gradient,
|
||
|
|
cairo_extend_t extend_mode);
|
||
|
|
|
||
|
|
cairo_cogl_linear_gradient_t *
|
||
|
|
_cairo_cogl_linear_gradient_reference (cairo_cogl_linear_gradient_t *gradient);
|
||
|
|
|
||
|
|
void
|
||
|
|
_cairo_cogl_linear_gradient_destroy (cairo_cogl_linear_gradient_t *gradient);
|
||
|
|
|
||
|
|
cairo_bool_t
|
||
|
|
_cairo_cogl_linear_gradient_equal (const void *key_a, const void *key_b);
|
||
|
|
|
||
|
|
#endif /* CAIRO_COGL_GRADIENT_PRIVATE_H */
|