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/*
* image.h
*
* Written by: Ullrich Hafner
*
* This file is part of FIASCO («F»ractal «I»mage «A»nd «S»equence «CO»dec)
* Copyright (C) 1994-2000 Ullrich Hafner <hafner@bigfoot.de>
*/
/*
* $Date: 2000/10/22 10:43:56 $
* $Author: hafner $
* $Revision: 5.3 $
* $State: Exp $
*/
#ifndef _IMAGE_H
#define _IMAGE_H
#include <stdio.h>
#include "types.h"
#include "fiasco.h"
typedef enum {FORMAT_4_4_4, FORMAT_4_2_0} format_e;
typedef struct image
/*
* Image data
*/
{
char id [7];
unsigned reference_count;
unsigned width; /* Width of the image */
unsigned height; /* Height of the image */
bool_t color; /* Color or grayscale image */
format_e format; /* Pixel format 4:4:4 or 4:2:0 */
word_t *pixels [3]; /* Pixels in short format */
} image_t;
image_t *
cast_image (fiasco_image_t *image);
image_t *
alloc_image (unsigned width, unsigned height, bool_t color, format_e format);
image_t *
clone_image (image_t *image);
void
free_image (image_t *image);
FILE *
read_pnmheader (const char *image_name, unsigned *width, unsigned *height,
bool_t *color);
image_t *
read_image (const char *image_name);
void
write_image (const char *image_name, const image_t *image);
bool_t
same_image_type (const image_t *img1, const image_t *img2);
#endif /* not _IMAGE_H */
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