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Diffstat (limited to 'src/cairo-cogl-gradient-private.h')
| -rwxr-xr-x | src/cairo-cogl-gradient-private.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/cairo-cogl-gradient-private.h b/src/cairo-cogl-gradient-private.h new file mode 100755 index 000000000..fa684d2c6 --- /dev/null +++ b/src/cairo-cogl-gradient-private.h @@ -0,0 +1,89 @@ +/* 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 */ |