40 lines
957 B
C
40 lines
957 B
C
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/*
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* FALSECOLORS.C
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*
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* new: Wed Oct 4 07:32:36 UTC 2023
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*
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* see also calcluts.c
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <string.h>
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#include <math.h>
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#include "../tthimage.h"
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/*::------------------------------------------------------------------::*/
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/*::------------------------------------------------------------------::*/
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int Image_gen_fc_lut(float maxval, int nbslots, RGB_map *plut)
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{
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int idx, ilut;
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float fval;
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fprintf(stderr, ">>> %s ( %f %d %p )\n", __func__, maxval, nbslots, plut);
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/* RAZ de les luts */
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memset(plut, 0, sizeof(RGB_map));
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for (idx=0; idx<nbslots; idx++) {
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fval = (float)idx / (float)nbslots;
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ilut = (int)(fval*256.0);
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fprintf(stderr, " %3d %8.6f %3d\n", idx, fval, ilut);
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}
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return FULL_NUCKED;
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}
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/*::------------------------------------------------------------------::*/
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/*::------------------------------------------------------------------::*/
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