FloatImg/funcs/killrgb.c

46 lines
878 B
C

/*
* KILL RGB !
*
* nouveau TerreBlanque 4 octobre 2021
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <math.h>
#include "../floatimg.h"
#include "tests.h"
/* --------------------------------------------------------------------- */
int fimg_killrgb_v(FloatImg *src, FloatImg *dst, int k)
{
int line, col;
int ir;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, src, dst, k);
#endif
if (k) { fprintf(stderr, "in %s k was %d\n", __func__, k); }
fimg_clear(dst);
ir = 0;
for (line=0; line<src->height; line++) {
// fprintf(stderr, "%s line %d\n", __func__, line);
for (col=0; col<(src->width-3); col+=3) {
dst->R[ir ] = src->R[ir]; ir++;
dst->G[ir+1] = src->G[ir]; ir++;
dst->B[ir+2] = src->B[ir]; ir++;
}
}
return 0;
}
/* --------------------------------------------------------------------- */