F5Utga.c File Reference

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <hdf5.h>
#include "F5types.h"

Go to the source code of this file.

Functions
int	F5UwriteTGA (const char *img_name, int x, int y, F5_rgb_t *buf)
F5_rgb_t *	F5UreadTGA (const char *img_name, int *x, int *y)

Function Documentation

F5UreadTGA()

F5_rgb_t * F5UreadTGA	(	const char *	img_name,
		int *	x,
		int *	y )

Definition at line 45 of file F5Utga.c.

{
char    tga_name[1024];
FILE    *tga;
 
        strcpy(tga_name, img_name);
        strcat(tga_name, ".tga");
 
        tga = fopen(tga_name, "rb");
        if (!tga)
        {
                perror(img_name);
                return 0;
        }
 
        getc(tga);
        getc(tga);
        getc(tga);
        getc(tga); getc(tga); /* maporg */
        getc(tga); getc(tga); /* maplen */
        getc(tga);
        getc(tga); getc(tga); /* xorigin */
        getc(tga); getc(tga); /* yorigin */
        *x=getc(tga)+ (getc(tga)); /* x */
        *y=getc(tga)+ (getc(tga)); /* x */
        if (getc(tga)!=24)
                return 0;
        getc(tga); 
 
 
        {char*buf = (char*)malloc(*x**y*3); 
                fread(buf,*x**y*3,1,tga); 
                fclose(tga); 
                return (F5_rgb_t*)buf;
        }
}

F5UwriteTGA()

int F5UwriteTGA	(	const char *	img_name,
		int	x,
		int	y,
		F5_rgb_t *	buf )

Definition at line 11 of file F5Utga.c.

{
char    tga_name[1024];
FILE    *tga;
 
        strcpy(tga_name, img_name);
        strcat(tga_name, ".tga");
 
        tga = fopen(tga_name, "wb");
        if (!tga)
        {
                perror(img_name);
                return -1;
        }
 
        putc(0,tga);
        putc(0,tga);
        putc(2,tga); 
        putc(0,tga); putc( 0,tga); /*maporg*/ 
        putc(0,tga); putc( 0,tga); /*maplen*/
        putc(0,tga); 
        putc(0,tga); putc( 0,tga); /* xorigin*/ 
        putc(0,tga); putc( 0,tga); /* yorigin*/ 
        putc(x,tga); putc( x>>8,tga); /* x*/ 
        putc(y,tga); putc( y>>8,tga); /* y*/
        putc(24,tga);putc( 0,tga);
 
        fwrite(buf,x*y*3,1,tga);
 
        fclose(tga);
 
        return 0;
}