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/*
*
* Copyright (c) 2002 Steve Slaven, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __IMAGE_H__
#define __IMAGE_H__
#include <stdio.h>
typedef struct PIXEL {
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char a;
} PIXEL;
typedef struct POINT {
int x;
int y;
} POINT;
typedef struct IMAGE {
int width;
int height;
PIXEL *pixels;
} IMAGE;
/* Funckys */
IMAGE *img_new();
IMAGE *img_create( int width, int height );
IMAGE *img_load( const char *fname );
IMAGE *img_load_from_rgb( const char *fname, int width, int height );
IMAGE *img_load_from_xwd( const char *fname );
IMAGE *img_load_from_png( const char *fname );
int img_destroy( IMAGE *img );
int img_write( IMAGE *img, const char *fname );
int img_write_fd( IMAGE *img, FILE *f );
int img_write_png( IMAGE *img, const char *fname );
int img_write_png_fd( IMAGE *img, FILE *f );
int img_write_ppm( IMAGE *img, const char *fname );
int img_write_ppm_fd( IMAGE *img, FILE *f );
PIXEL img_pixel_get( IMAGE *img, POINT p );
int img_pixel_set( IMAGE *img, POINT pt, PIXEL p );
/* Set find_next to true if not first run */
POINT img_subimage_find( IMAGE *master, IMAGE *find, POINT start_from, int tolerance, int find_next );
int img_subimage_cmp( IMAGE *master, IMAGE *subimage, POINT where, int tolerance );
IMAGE *img_extract( IMAGE *img, int x, int y, int width, int height );
void dump_pixel( const char *label, PIXEL p );
#endif
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