netsurf/image/bitmap.h
Richard Wilson 4cc85469cb [project @ 2006-02-21 20:49:11 by rjw]
Allow any content to be used as a background. Simplify bitmap code.

svn path=/import/netsurf/; revision=2087
2006-02-21 20:49:12 +00:00

45 lines
1.3 KiB
C

/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
*/
/** \file
* Generic bitmap handling (interface).
*
* This interface wraps the native platform-specific image format, so that
* portable image convertors can be written.
*
* The bitmap format is either RGBA.
*/
#ifndef _NETSURF_IMAGE_BITMAP_H_
#define _NETSURF_IMAGE_BITMAP_H_
#include <stdbool.h>
#include <stdlib.h>
typedef enum {
BITMAP_READY, /** Bitmap buffer is ready */
BITMAP_ALLOCATE_MEMORY, /** Allocate memory */
BITMAP_CLEAR_MEMORY, /** Clear the memory */
} bitmap_state;
struct content;
/** An opaque image. */
struct bitmap;
struct bitmap *bitmap_create(int width, int height, bitmap_state state);
void bitmap_set_opaque(struct bitmap *bitmap, bool opaque);
bool bitmap_test_opaque(struct bitmap *bitmap);
bool bitmap_get_opaque(struct bitmap *bitmap);
char *bitmap_get_buffer(struct bitmap *bitmap);
size_t bitmap_get_rowstride(struct bitmap *bitmap);
void bitmap_destroy(struct bitmap *bitmap);
bool bitmap_save(struct bitmap *bitmap, const char *path);
void bitmap_modified(struct bitmap *bitmap);
#endif