Bibliothèque de traitements d'images en virgule flottante. http://la.buvette.org/photos/cumul/
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/*
* FLOATIMG - a kluge from tTh
* ---------------------------
*
* some strange effects on floating pictures.
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "../floatimg.h"
extern int verbosity;
/* -------------------------------------------------------------- */
int fimg_sfx_triplemul(FloatImg *src, FloatImg *dst, int notused)
{
int x, y, foo;
float in[3], out[3];
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p 0x%04x )\n", __func__, img, notused);
#endif
for (y=0; y<src->height; y++) {
for (x=0; x<src->width; x++) {
foo = fimg_get_rgb(src, x, y, in);
out[0] = in[1] * in[2];
out[1] = in[0] * in[2];
out[2] = in[0] * in[1];
// fprintf(stderr, "%9f %9f %9f\n", out[0], out[1], out[2]);
foo = fimg_put_rgb(dst, x, y, out);
}
}
return 0;
}
/* -------------------------------------------------------------- */
/* -------------------------------------------------------------- */