ppmFile.h

/****************************************************************
 *
 * ppm.h
 *
 * Read and write PPM files.  Only works for "raw" format.
 *
 * AF970205
 *
 ****************************************************************/

#ifndef PPM_H
#define PPM_H

#include <sys/types.h>


	typedef struct Image
	{
	  int width;
	  int height;
	  unsigned char *data;
	} Image;

	Image *ImageCreate(int width, int height);
	Image *ImageRead(const char *filename);
	void   ImageWrite(Image *image, const char *filename);

	int    ImageWidth(Image *image);
	int    ImageHeight(Image *image);

	void   ImageClear(Image *image, unsigned char red, unsigned char green, unsigned char blue);

	void   ImageSetPixel(Image *image, int x, int y, int chan, unsigned char val);
	unsigned char ImageGetPixel(Image *image, int x, int y, int chan);

#endif /* PPM_H */