FloatImg/funcs/sfx0.c

/*
 *		FLOATIMG
 *	effets spéciaux àlc sur les couleurs 
 */

#include  <stdio.h>

#include  "../floatimg.h"

/* --------------------------------------------------------------------- */
/*
 *	OMG ! a Color Graphic Adaptor emulator :)
 */
int fimg_killcolors_a(FloatImg *fimg, float fval)
{
int		nbpix, foo;

if (FIMG_TYPE_RGB != fimg->type) {
	fprintf(stderr, "%s: bad src type %d on %p\n", __func__,
					fimg->type, fimg);
	return -8;
	}

nbpix = fimg->width * fimg->height;
for (foo=0; foo<nbpix; foo++) {
	if (fimg->R[foo] > fimg->G[foo])
		fimg->B[foo] = fimg->R[foo];
	else
		fimg->B[foo] = fimg->G[foo];
		}

return 0;
}
/* --------------------------------------------------------------------- */
int fimg_killcolors_b(FloatImg *fimg, float fval)
{
int		nbpix, foo;

if (FIMG_TYPE_RGB != fimg->type) {
	fprintf(stderr, "%s: bad src type %d on %p\n", __func__,
					fimg->type, fimg);
	return -8;
	}

nbpix = fimg->width * fimg->height;
for (foo=0; foo<nbpix; foo++) {
	if (fimg->R[foo] > fimg->B[foo])
		fimg->G[foo] = fimg->R[foo];
	else
		fimg->G[foo] = fimg->B[foo];
		}

return 0;
}
/* --------------------------------------------------------------------- */