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mutter-performance-source/clutter/cogl/common/cogl-bitmap.h

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/*
* Clutter COGL
*
* A basic GL/GLES Abstraction/Utility Layer
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2007 OpenedHand
*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __COGL_BITMAP_H
#define __COGL_BITMAP_H
#include <glib.h>
struct _CoglBitmap
{
guchar *data;
CoglPixelFormat format;
gint width;
gint height;
gint rowstride;
};
gboolean
_cogl_bitmap_can_convert (CoglPixelFormat src, CoglPixelFormat dst);
gboolean
_cogl_bitmap_fallback_can_convert (CoglPixelFormat src, CoglPixelFormat dst);
gboolean
_cogl_bitmap_can_unpremult (CoglPixelFormat format);
gboolean
_cogl_bitmap_fallback_can_unpremult (CoglPixelFormat format);
gboolean
_cogl_bitmap_convert (const CoglBitmap *bmp,
CoglBitmap *dst_bmp,
CoglPixelFormat dst_format);
gboolean
_cogl_bitmap_fallback_convert (const CoglBitmap *bmp,
CoglBitmap *dst_bmp,
CoglPixelFormat dst_format);
gboolean
_cogl_bitmap_unpremult (const CoglBitmap *bmp,
CoglBitmap *dst_bmp);
gboolean
_cogl_bitmap_fallback_unpremult (const CoglBitmap *bmp,
CoglBitmap *dst_bmp);
gboolean
_cogl_bitmap_from_file (CoglBitmap *bmp,
const gchar *filename,
GError **error);
gboolean
_cogl_bitmap_fallback_from_file (CoglBitmap *bmp,
const gchar *filename);
gboolean
_cogl_bitmap_convert_and_premult (const CoglBitmap *bmp,
CoglBitmap *dst_bmp,
CoglPixelFormat dst_format);
void
_cogl_bitmap_copy_subregion (CoglBitmap *src,
CoglBitmap *dst,
gint src_x,
gint src_y,
gint dst_x,
gint dst_y,
gint width,
gint height);
gboolean
_cogl_bitmap_get_size_from_file (const gchar *filename,
gint *width,
gint *height);
#endif /* __COGL_BITMAP_H */