48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
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/*
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* P I X E L I Z E
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include "../floatimg.h"
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extern int verbosity;
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/* -------------------------------------------------------------- */
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int fimg_pixelize_h_0(FloatImg *psrc, FloatImg *pdst, int k)
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{
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int line, col, loop, idx;
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float cr, cg, cb; /* cumuls */
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fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, psrc, pdst, k);
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if (fimg_images_not_compatible(psrc, pdst)) {
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fprintf(stderr, "%s: err compatibility\n", __func__);
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return -8;
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}
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for (line=0; line<psrc->height; line++) {
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for (col=0; col<psrc->width; col+=8) {
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cr = cg = cb = 0.0;
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idx = line * psrc->width + col;
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for (loop=0; loop<8; loop++) {
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cr += psrc->R[idx+loop];
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cg += psrc->G[idx+loop];
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cb += psrc->B[idx+loop];
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}
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for (loop=0; loop<8; loop++) {
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pdst->R[idx+loop] = cr / 8.0;
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pdst->G[idx+loop] = cg / 8.0;
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pdst->B[idx+loop] = cb / 8.0;
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}
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}
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}
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return 0;
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}
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/* -------------------------------------------------------------- */
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/* -------------------------------------------------------------- */
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