rwPNM.cpp File Reference

Functions for reading and writing PBM, PGM and PPM files. More...

#include "rwPNM.h"
#include "utilities.h"
#include <fstream>

Functions
char *	pnm_next_item (char *aptr)
unsigned char *	pnm_read_data (ifstream *fimg, Bimage *p)
int	readPNM (Bimage *p, int readdata, int img_select)
	Reading a PNM type file. A simple image format. PBM bit image format. PGM grayscale image format. PPM RGB color image format. File format extensions: .pbm, .pgm, .ppm The header contains ascii text indicating the image and element sizes. Data types: byte, unsigned short. More...
int	writePNM (Bimage *p)
	Writing a PNM type file. A simple image format. More...

Variables
int	verbose

Detailed Description

Functions for reading and writing PBM, PGM and PPM files.

Author

Bernard Heymann

Date

Created: 20110317

Modified: 20120211

Function Documentation

pnm_next_item()

char * pnm_next_item

(

char *

aptr

)

pnm_read_data()

unsigned char * pnm_read_data	(	ifstream *	fimg,
		Bimage *	p
	)

readPNM()

int readPNM	(	Bimage *	p,
		int	readdata,
		int	img_select
	)

Reading a PNM type file. A simple image format. PBM bit image format. PGM grayscale image format. PPM RGB color image format. File format extensions: .pbm, .pgm, .ppm The header contains ascii text indicating the image and element sizes. Data types: byte, unsigned short.

Parameters

*p	the image structure.
readdata	flag to activate reading of image data.
img_select	image selection in multi-image file (-1 = all images).

Returns

int 0, <0 on error.

writePNM()

int writePNM

(

Bimage *

p

)

Writing a PNM type file. A simple image format.

Parameters

*p	the image structure.

Returns

int 0, <0 on error.

Variable Documentation

verbose

int verbose

extern