FloatImg4PythonBinding/funcs/qsortrgb.c

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2020-10-08 11:24:29 +02:00
/*
* qsort_rgb.c
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "../floatimg.h"
int verbosity;
/* --------------------------------------------------------------------- */
/* nouveau 7 octobre 2020, juste avant sonoptic de la pluie craignos */
static int compare(const void *p1, const void *p2)
{
return ( *(float *)p1 < *(float *)p2 );
}
int fimg_qsort_rgb(FloatImg *psrc, FloatImg *pdst, int notused)
{
int foo, szimg;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, psrc, pdst, notused);
#endif
foo = fimg_copy_data(psrc, pdst);
szimg = pdst->width * pdst->height;
fprintf(stderr, "%s : %d pixels\n", __func__, szimg);
qsort(pdst->R, szimg, sizeof(float), compare);
qsort(pdst->G, szimg, sizeof(float), compare);
qsort(pdst->B, szimg, sizeof(float), compare);
return 0;
}
/* --------------------------------------------------------------------- */