imageio.hpp

/* LIBRARY:   ImageIO Library v0.13
 * 
 * FILE:      imageio.h
 *
 * COPYRIGHT: Copyright (c) 2003-2004 Adrien Treuille
 * 
 * AUTHORS:   Adrien Treuille (treuille [AT] cs [DOT] washington [DOT] edu)
 *
 * LICENSE:   The ImageIO Library is supplied "AS IS".  The Authors
 *            disclaim all warranties, expressed or implied,
 *            including, without limitation, the warranties of
 *            merchantability and of fitness for any purpose. 
 *            The Authors assume no liability for direct, indirect,
 *            incidental, special, exemplary, or consequential
 *            damages, which may result from the use of the ImageIO
 *            Library, even if advised of the possibility of such
 *            damage.
 *
 *            Permission is hereby granted to use, copy, modify,
 *            and distribute this source code, or portions hereof,
 *            for any purpose, without fee, for non-commercial
 *            purposes. All rights reserved for commercial uses of
 *            this source code.
 */

#ifndef IMAGE_IO_H
#define IMAGE_IO_H

#include <stdlib.h>
#include <png.h>

//
// COMPILATION
//
// Should be compiled with -ltiff and -lpng

// Sets tbe width and height to the appropriate values and mallocs
// a char *buffer loading up the values in row-major, RGBA format.
// The memory associated with the buffer can be deallocated with free().
// If there was an error reading file, then 0 is returned, and
// width = height = -1. 
unsigned char *loadImageRGBA(unsigned char *fileName, int *width, int *height);

// Saves image given by buffer with specicified with and height
// to the given file name, returns true on success, false otherwise.
// The image format is RGBA.
bool saveImageRGBA(char *fileName, unsigned char *buffer, int width, int height);

// returns index into image buffer for given coordinate
#define indxRGBA(X,Y,W) (((Y) * (W) + (X)) * 4)

#endif