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Rev	Author	Line No.	Line
3959	Serge	1	/* cairo - a vector graphics library with display and print output
		2	*
		3	* Copyright © 2011 Intel Corporation.
		4	*
		5	* This library is free software; you can redistribute it and/or
		6	* modify it either under the terms of the GNU Lesser General Public
		7	* License version 2.1 as published by the Free Software Foundation
		8	* (the "LGPL") or, at your option, under the terms of the Mozilla
		9	* Public License Version 1.1 (the "MPL"). If you do not alter this
		10	* notice, a recipient may use your version of this file under either
		11	* the MPL or the LGPL.
		12	*
		13	* You should have received a copy of the LGPL along with this library
		14	* in the file COPYING-LGPL-2.1; if not, write to the Free Software
		15	* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
		16	* You should have received a copy of the MPL along with this library
		17	* in the file COPYING-MPL-1.1
		18	*
		19	* The contents of this file are subject to the Mozilla Public License
		20	* Version 1.1 (the "License"); you may not use this file except in
		21	* compliance with the License. You may obtain a copy of the License at
		22	* http://www.mozilla.og/MPL/
		23	*
		24	* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
		25	* OF ANY KIND, either express or implied. See the LGPL or the MPL for
		26	* the specific language governing rights and limitations.
		27	*
		28	* Contributor(s):
		29	* Robert Bragg
		30	*/
		31
		32	#ifndef CAIRO_COGL_GRADIENT_PRIVATE_H
		33	#define CAIRO_COGL_GRADIENT_PRIVATE_H
		34
		35	#include "cairoint.h"
		36	#include "cairo-pattern-private.h"
		37
		38	#include
		39
		40	#define CAIRO_COGL_LINEAR_GRADIENT_CACHE_SIZE (1024 * 1024)
		41
		42	typedef enum _cairo_cogl_gradient_compatibility {
		43	CAIRO_COGL_GRADIENT_CAN_EXTEND_PAD = 1<<0,
		44	CAIRO_COGL_GRADIENT_CAN_EXTEND_REPEAT = 1<<1,
		45	CAIRO_COGL_GRADIENT_CAN_EXTEND_REFLECT = 1<<2,
		46	CAIRO_COGL_GRADIENT_CAN_EXTEND_NONE = 1<<3
		47	} cairo_cogl_gradient_compatibility_t;
		48	#define CAIRO_COGL_GRADIENT_CAN_EXTEND_ALL (CAIRO_COGL_GRADIENT_CAN_EXTEND_PAD \|\
		49	CAIRO_COGL_GRADIENT_CAN_EXTEND_REPEAT\|\
		50	CAIRO_COGL_GRADIENT_CAN_EXTEND_REFLECT\|\
		51	CAIRO_COGL_GRADIENT_CAN_EXTEND_NONE)
		52
		53	typedef struct _cairo_cogl_linear_texture_entry {
		54	cairo_cogl_gradient_compatibility_t compatibility;
		55	CoglTexture *texture;
		56	float translate_x;
		57	float scale_x;
		58	} cairo_cogl_linear_texture_entry_t;
		59
		60	typedef struct _cairo_cogl_linear_gradient {
		61	cairo_cache_entry_t cache_entry;
		62	cairo_reference_count_t ref_count;
		63	GList *textures;
		64	int n_stops;
		65	const cairo_gradient_stop_t *stops;
		66	cairo_gradient_stop_t stops_embedded[1];
		67	} cairo_cogl_linear_gradient_t;
		68
		69	cairo_int_status_t
		70	_cairo_cogl_get_linear_gradient (cairo_cogl_device_t *context,
		71	cairo_extend_t extend_mode,
		72	int n_stops,
		73	const cairo_gradient_stop_t *stops,
		74	cairo_cogl_linear_gradient_t **gradient_out);
		75
		76	cairo_cogl_linear_texture_entry_t *
		77	_cairo_cogl_linear_gradient_texture_for_extend (cairo_cogl_linear_gradient_t *gradient,
		78	cairo_extend_t extend_mode);
		79
		80	cairo_cogl_linear_gradient_t *
		81	_cairo_cogl_linear_gradient_reference (cairo_cogl_linear_gradient_t *gradient);
		82
		83	void
		84	_cairo_cogl_linear_gradient_destroy (cairo_cogl_linear_gradient_t *gradient);
		85
		86	cairo_bool_t
		87	_cairo_cogl_linear_gradient_equal (const void key_a, const void key_b);
		88
		89	#endif /* CAIRO_COGL_GRADIENT_PRIVATE_H */

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(root)/programs/develop/libraries/cairo/src/cairo-cogl-gradient-private.h – Rev 4222