Sha256: a20d15251f6d5488879f3e1cefb6bc29198067c3c5ad9a99c09a222625446adf
Contents?: true
Size: 887 Bytes
Versions: 9
Compression:
Stored size: 887 Bytes
Contents
/* Handle PNM-files Dez98 JS
* 0,0 = left up
* PAM-formats
* PAM any P7
* PNM-formats
* PGM gray ASCII=P2 RAW=P5 dx dy col gray
* PPM RGB ASCII=P3 RAW=P6 dx dy col RGB
* PBM B/W ASCII=P1 RAW=P4 dx dy bitmap
*/
#ifndef GOCR_PNM_H
#define GOCR_PNM_H 1
#include "config.h"
struct pixmap {
unsigned char *p; /* pointer of image buffer (pixmap) */
int x; /* xsize */
int y; /* ysize */
int bpp; /* bytes per pixel: 1=gray 3=rgb */
};
typedef struct pixmap pix;
/* return 1 on multiple images (holding file open), 0 else */
int readpgm(char *name, pix *p, int vvv);
/* write pgm-map to pnm-file */
int writepgm(char *nam, pix *p);
int writepbm(char *nam, pix *p);
int writeppm(char *nam, pix *p); /* use lowest 3 bits for farbcoding */
/* ----- count colors ------ create histogram ------- */
void makehisto(pix p, unsigned col[256], int vvv);
#endif
Version data entries
9 entries across 9 versions & 3 rubygems