imageio.h

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#ifndef _IMAGEIO_H_
#define _IMAGEIO_H_

#include <stdio.h>
#include "basic.h"

#define MAX_IMAGE_SIZE 10000


#ifndef DOXYGEN_SHOULD_SKIP_THIS

/* Build string macros listing the supported formats */
#ifdef USE_LIBJPEG
#define SUPPORTEDSTRING_JPEG    "/JPEG"
#else
#define SUPPORTEDSTRING_JPEG    ""
#endif
#ifdef USE_LIBPNG
#define SUPPORTEDSTRING_PNG     "/PNG"
#else
#define SUPPORTEDSTRING_PNG     ""
#endif
#ifdef USE_LIBTIFF
#define SUPPORTEDSTRING_TIFF    "/TIFF"
#else
#define SUPPORTEDSTRING_TIFF    ""
#endif

/* Definitions for specifying image formats */
#define IMAGEIO_U8            0x0000
#define IMAGEIO_SINGLE        0x0001
#define IMAGEIO_FLOAT         IMAGEIO_SINGLE
#define IMAGEIO_DOUBLE        0x0002
#define IMAGEIO_STRIP_ALPHA   0x0010
#define IMAGEIO_BGRFLIP       0x0020
#define IMAGEIO_AFLIP         0x0040
#define IMAGEIO_GRAYSCALE     0x0080
#define IMAGEIO_GRAY          IMAGEIO_GRAYSCALE
#define IMAGEIO_PLANAR        0x0100
#define IMAGEIO_COLUMNMAJOR   0x0200
#define IMAGEIO_RGB           (IMAGEIO_STRIP_ALPHA)
#define IMAGEIO_BGR           (IMAGEIO_STRIP_ALPHA | IMAGEIO_BGRFLIP)
#define IMAGEIO_RGBA          0x0000
#define IMAGEIO_BGRA          (IMAGEIO_BGRFLIP)
#define IMAGEIO_ARGB          (IMAGEIO_AFLIP)
#define IMAGEIO_ABGR          (IMAGEIO_BGRFLIP | IMAGEIO_AFLIP)

#endif /* DOXYGEN_SHOULD_SKIP_THIS */


#define READIMAGE_FORMATS_SUPPORTED \
    "BMP" SUPPORTEDSTRING_JPEG SUPPORTEDSTRING_PNG SUPPORTEDSTRING_TIFF
    
#define WRITEIMAGE_FORMATS_SUPPORTED    \
    "BMP" SUPPORTEDSTRING_JPEG SUPPORTEDSTRING_PNG SUPPORTEDSTRING_TIFF

#ifndef _CRT_SECURE_NO_WARNINGS

#define _CRT_SECURE_NO_WARNINGS
#endif

int identify_image_type(char *type, const char *filename);

void *read_image(int *width, int *height,
    const char *filename, unsigned format);

int write_image(void *image, int width, int height,
    const char *filename, unsigned format, int quality);
    
#endif /* _IMAGEIO_H_ */