FloatImg/lib/t.c

#include  <stdio.h>
#include  <stdlib.h>
#include  <unistd.h>
#include  <string.h>
#include  <math.h>

#include  "../floatimg.h"

int		verbosity;

/* ---------------------------------------------------------------- */
int petit_dessin(FloatImg *img)
{
int		x, y;
float		r, g, b;

for (y=0; y<img->height; y++) {

	r = (float)y / (float)img->height;

	for (x=0; x<img->width; x++) {

		g = (float)x / (float)img->width;
		b = 0.0;;

		fimg_plot_rgb(img, x, y, r, g, b);

		}

	}

return -1;
}
/* ---------------------------------------------------------------- */
#define W 4000
#define H 3000
int main(int argc, char *argv[])
{
int		foo;
FloatImg 	dessin, noise, result;
int		datas[3];

verbosity = 1;

fimg_print_version(1);

foo = fimg_create(&dessin, W, H, 3);
petit_dessin(&dessin);
fimg_save_as_pnm(&dessin, "dessin.pnm",  0);

foo = fimg_create(&noise, W, H, 3);
fimg_drand48(&noise, 1.0);
fimg_save_as_pnm(&noise, "noise.pnm",  0);

foo = fimg_create(&result, W, H, 3);

foo = fimg_add(&dessin, &noise, &result);
fimg_save_as_pnm(&result, "r_add.pnm",  0);
foo = fimg_sub(&dessin, &noise, &result);
fimg_save_as_pnm(&result, "r_sub.pnm",  0);
foo = fimg_mul(&dessin, &noise, &result);
fimg_save_as_pnm(&result, "r_mul.pnm",  0);

return 0;
}