forked from tTh/FloatImg
added binarize function
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@ -40,6 +40,8 @@ int create_fifo(int nbslot, int w, int h, int t);
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* funcs in 'sfx.c'
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*/
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int binarize(FloatImg *pimg, int notused);
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int brotche_rand48_a(FloatImg *fimg, float ratio, float mval);
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int brotche_rand48_b(FloatImg *fimg, float ratio, float mval);
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int colors_brotcher(FloatImg *fimg, float fval);
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@ -13,12 +13,43 @@
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#include "fonctions.h"
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/* -------------------------------------------------------------- */
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/* global vars from main
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/* here are global vars exported by the main module
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*/
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extern int verbosity;
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/* -------------------------------------------------------------- */
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int binarize(FloatImg *pimg, int notused)
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{
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float mm[6], mR, mG, mB;
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int foo, x, y;
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float rgb[3];
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %d )\n", __func__, pimg, notused);
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#endif
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foo = fimg_get_minmax_rgb(pimg, mm);
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mR = (mm[1] - mm[0]) / 2.0;
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mG = (mm[3] - mm[2]) / 2.0;
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mB = (mm[5] - mm[4]) / 2.0;
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if (verbosity > 1)
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fprintf(stderr, "%s: %f %f %f\n", __func__, mR, mG, mB);
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for (y=0; y<pimg->height; y++) {
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for (x=0; x<pimg->width; x++) {
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fimg_get_rgb(pimg, x, y, rgb);
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if (rgb[0] < mR) rgb[0] = mm[0];
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else rgb[0] = mm[1];
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if (rgb[1] < mG) rgb[1] = mm[2];
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else rgb[1] = mm[3];
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if (rgb[2] < mB) rgb[2] = mm[4];
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else rgb[2] = mm[5];
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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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int brotche_rand48_a(FloatImg *fimg, float ratio, float mval)
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{
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