57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/*********************************************************************
|
|
* pnmio.h
|
|
*********************************************************************/
|
|
|
|
#ifndef _PNMIO_H_
|
|
#define _PNMIO_H_
|
|
|
|
#include <cstdio>
|
|
|
|
/**********
|
|
* With pgmReadFile and pgmRead, setting img to NULL causes memory
|
|
* to be allocated
|
|
*/
|
|
|
|
/**********
|
|
* used for reading from/writing to files
|
|
*/
|
|
unsigned char* pgmReadFile(
|
|
const char *fname,
|
|
unsigned char *img,
|
|
int *ncols,
|
|
int *nrows);
|
|
void pgmWriteFile(
|
|
const char *fname,
|
|
const unsigned char *img,
|
|
int ncols,
|
|
int nrows);
|
|
void ppmWriteFileRGB(
|
|
const char *fname,
|
|
const unsigned char *redimg,
|
|
const unsigned char *greenimg,
|
|
const unsigned char *blueimg,
|
|
int ncols,
|
|
int nrows);
|
|
|
|
/**********
|
|
* used for communicating with stdin and stdout
|
|
*/
|
|
unsigned char* pgmRead(
|
|
FILE *fp,
|
|
unsigned char *img,
|
|
int *ncols, int *nrows);
|
|
void pgmWrite(
|
|
FILE *fp,
|
|
const unsigned char *img,
|
|
int ncols,
|
|
int nrows);
|
|
void ppmWrite(
|
|
FILE *fp,
|
|
const unsigned char *redimg,
|
|
const unsigned char *greenimg,
|
|
const unsigned char *blueimg,
|
|
int ncols,
|
|
int nrows);
|
|
|
|
#endif
|