imageio.h
/**
* \file imageio.h
* \brief Implements read_image and write_image functions
* \author Pascal Getreuer <getreuer@cmla.ens-cachan.fr>
*
* Copyright (c) 2010-2013, Pascal Getreuer
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under, at your option, the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version, or the terms of the
* simplified BSD license.
*
* You should have received a copy of these licenses along this program.
* If not, see <http://www.gnu.org/licenses/> and
* <http://www.opensource.org/licenses/bsd-license.html>.
*/
#ifndef _IMAGEIO_H_
#define _IMAGEIO_H_
#include <stdio.h>
#include "basic.h"
//#define USE_LIBTIFF 1
//#define USE_LIBJPEG 2
//#define USE_LIBPNG 3
/** \brief Limit on the maximum allowed image width or height (security). */
#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 */
/**
* \brief String macro listing supported formats for \c ReadImage
*
* This macro can be used for example as
\code
printf("Supported formats for reading: " READIMAGE_FORMATS_SUPPORTED ".\n");
\endcode
*/
#define READIMAGE_FORMATS_SUPPORTED \
"BMP" SUPPORTEDSTRING_JPEG SUPPORTEDSTRING_PNG SUPPORTEDSTRING_TIFF
/** \brief String macro listing supported formats for \c WriteImage */
#define WRITEIMAGE_FORMATS_SUPPORTED \
"BMP" SUPPORTEDSTRING_JPEG SUPPORTEDSTRING_PNG SUPPORTEDSTRING_TIFF
#ifndef _CRT_SECURE_NO_WARNINGS
/** \brief Avoid MSVC warnings on using fopen */
#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_ */