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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2007,2008,2009 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#if !defined(__COGL_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <cogl/cogl.h> can be included directly."
#endif
#ifndef __COGL_BITMAP_H__
#define __COGL_BITMAP_H__
#include <cogl/cogl-types.h>
G_BEGIN_DECLS
typedef struct _CoglBitmap CoglBitmap;
/**
* SECTION:cogl-bitmap
* @short_description: Fuctions for loading images
*
* Cogl allows loading image data into memory as CoglBitmaps without
* loading them immediately into GPU textures.
*
* #CoglBitmap is available since Cogl 1.0
*/
/**
* cogl_bitmap_new_from_file:
* @filename: the file to load.
* @error: a #GError or %NULL.
*
* Loads an image file from disk. This function can be safely called from
* within a thread.
*
* Return value: a #CoglBitmap to the new loaded image data, or
* %NULL if loading the image failed.
*
* Since: 1.0
*/
CoglBitmap *
cogl_bitmap_new_from_file (const char *filename,
GError **error);
/**
* cogl_bitmap_get_size_from_file:
* @filename: the file to check
* @width: (out): return location for the bitmap width, or %NULL
* @height: (out): return location for the bitmap height, or %NULL
*
* Parses an image file enough to extract the width and height
* of the bitmap.
*
* Return value: %TRUE if the image was successfully parsed
*
* Since: 1.0
*/
gboolean
cogl_bitmap_get_size_from_file (const char *filename,
int *width,
int *height);
/**
* cogl_is_bitmap:
* @handle: a #CoglHandle for a bitmap
*
* Checks whether @handle is a #CoglHandle for a bitmap
*
* Return value: %TRUE if the passed handle represents a bitmap,
* and %FALSE otherwise
*
* Since: 1.0
*/
gboolean
cogl_is_bitmap (CoglHandle handle);
/**
* COGL_BITMAP_ERROR:
*
* #GError domain for bitmap errors.
*
* Since: 1.4
*/
#define COGL_BITMAP_ERROR (cogl_bitmap_error_quark ())
/**
* CoglBitmapError:
* @COGL_BITMAP_ERROR_FAILED: Generic failure code, something went
* wrong.
* @COGL_ERROR_UNKNOWN_TYPE: Unknown image type.
* @COGL_ERROR_CORRUPT_IMAGE: An image file was broken somehow.
*
* Error codes that can be thrown when performing bitmap
* operations. Note that gdk_pixbuf_new_from_file() can also throw
* errors directly from the underlying image loading library. For
* example, if GdkPixbuf is used then errors #GdkPixbufError<!-- -->s
* will be used directly.
*
* Since: 1.4
*/
typedef enum {
COGL_BITMAP_ERROR_FAILED,
COGL_BITMAP_ERROR_UNKNOWN_TYPE,
COGL_BITMAP_ERROR_CORRUPT_IMAGE
} CoglBitmapError;
GQuark cogl_bitmap_error_quark (void);
G_END_DECLS
#endif /* __COGL_BITMAP_H__ */
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