mutter/cogl/cogl/cogl-rectangle-map.h

83 lines
2.7 KiB
C

/*
* Cogl
*
* A Low Level GPU Graphics and Utilities API
*
* Copyright (C) 2009 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* 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 AUTHORS OR COPYRIGHT HOLDERS
* 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.
*/
#pragma once
#include <glib.h>
#include "cogl/cogl-types.h"
typedef struct _CoglRectangleMap CoglRectangleMap;
typedef struct _CoglRectangleMapEntry CoglRectangleMapEntry;
typedef void (* CoglRectangleMapCallback) (const CoglRectangleMapEntry *entry,
void *rectangle_data,
void *user_data);
struct _CoglRectangleMapEntry
{
unsigned int x, y;
unsigned int width, height;
};
CoglRectangleMap *
_cogl_rectangle_map_new (unsigned int width,
unsigned int height,
GDestroyNotify value_destroy_func);
gboolean
_cogl_rectangle_map_add (CoglRectangleMap *map,
unsigned int width,
unsigned int height,
void *data,
CoglRectangleMapEntry *rectangle);
void
_cogl_rectangle_map_remove (CoglRectangleMap *map,
const CoglRectangleMapEntry *rectangle);
unsigned int
_cogl_rectangle_map_get_width (CoglRectangleMap *map);
unsigned int
_cogl_rectangle_map_get_height (CoglRectangleMap *map);
unsigned int
_cogl_rectangle_map_get_remaining_space (CoglRectangleMap *map);
unsigned int
_cogl_rectangle_map_get_n_rectangles (CoglRectangleMap *map);
void
_cogl_rectangle_map_foreach (CoglRectangleMap *map,
CoglRectangleMapCallback callback,
void *data);
void
_cogl_rectangle_map_free (CoglRectangleMap *map);