forked from tTh/FloatImg
thermocolor, first try
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@ -9,7 +9,7 @@ DEPS = ../floatimg.h Makefile
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OBJS = fimg-png.o fimg-tiff.o misc-plots.o filtrage.o utils.o \
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fimg-libpnm.o rampes.o rectangle.o \
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sfx0.o sfx1.o sfx2.o sfx3.o sfx4.o \
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falsecolors.o fmorpho.o \
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falsecolors.o thermocolor.o fmorpho.o \
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geometry.o rotate.o fimg-openexr.o \
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equalize.o fimg-fits.o saturation.o histogram.o \
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fimg-dicom.o \
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@ -144,6 +144,8 @@ exporter.o: exporter.c $(DEPS)
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falsecolors.o: falsecolors.c $(DEPS)
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gcc $(COPT) -c $<
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thermocolor.o: thermocolor.c $(DEPS)
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gcc $(COPT) -c $<
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hsv.o: hsv.c $(DEPS)
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gcc $(COPT) -c $<
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@ -26,7 +26,7 @@ enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE, Wfits, Wpng, Wtiff,
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Geometrie, FileType, Mirror, KillRGB,
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Pixelize,SplitLevel, DecompRgbz, DecompRgbg,
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Rectangle, Dicom, Fakolor0, Fakolor3,
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Fmorpho0, Fluffy };
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Fmorpho0, Fluffy, ThermoCol };
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typedef struct {
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char *name;
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int Cmd;
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@ -65,6 +65,7 @@ Command commands[] = {
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{ "fakolor3", Fakolor3 },
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{ "fmorpho0", Fmorpho0 },
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{ "fluffy", Fluffy },
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{ "thermocol", ThermoCol },
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{ NULL, 0 }
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} ;
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@ -266,6 +267,11 @@ switch(opt) {
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case Fluffy:
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foo = essai_rndfluffy(filename, outfile, 0);
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break;
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case ThermoCol:
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foo = essai_thermocol(filename, outfile);
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fprintf(stderr, "retour thermocolor = %d\n", foo);
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break;
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default:
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fprintf(stderr, "'%s' is a bad command\n", command);
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exit(1);
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@ -1173,3 +1173,37 @@ fimg_destroy(&dst);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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/* dans ma nouvelle maison du Gers, le 20 mars 2024 */
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int essai_thermocol(char *infile, char *outfile)
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{
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FloatImg src, dst;
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int foo;
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fprintf(stderr, ">>> %s ( '%s' '%s' )\n", __func__, infile, outfile);
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memset(&src, 0, sizeof(FloatImg));
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foo = fimg_create_from_dump(infile, &src);
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if (foo) {
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fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
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return foo;
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}
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memset(&dst, 0, sizeof(FloatImg));
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foo = fimg_clone(&src, &dst, 0);
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if (foo) return -888;
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fimg_auto_thermique(&src, &dst, 0);
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foo = fimg_export_picture(&dst, outfile, 0);
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if (foo) {
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fprintf(stderr, "%s : err %d saving result to %s\n", __func__,
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foo, outfile);
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return foo;
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}
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fimg_destroy(&src);
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fimg_destroy(&dst);
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return 793;
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}
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/* --------------------------------------------------------------------- */
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@ -30,6 +30,7 @@ int essai_detect_type(void);
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int fimg_essai_histo(FloatImg *src, char *outpic, int k); /* histogram.c */
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int essai_histogramme(char *fname, int k);
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int essai_0_fausses_couleurs(char *dstfile, int type);
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int essai_thermocol(char *infile, char *outfile);
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int essai_lecture_png(char *fname, char *outfile, int notused);
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@ -0,0 +1,62 @@
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/*
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* FLOATIMG
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* fabriquer une pseudo-image thermique
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*
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* new: Wed Mar 20 16:55:09 UTC 2024 dans ma maison du Gers
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.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_auto_thermique(FloatImg *src, FloatImg *dst, int k)
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{
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// int x, y, off;
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int idx, surface;
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float seuil, gray;
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double graymean;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, src, dst, k);
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#endif
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if (0!=k) {
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fprintf(stderr, "%s: k mus be 0, was %d\n", __func__, k);
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}
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surface = src->width * src->height;
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fprintf(stderr, "surface = %d\n", surface);
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graymean = 0.0;
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for (idx=0; idx<surface; idx++) {
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gray = src->R[idx] + src->G[idx] + src->B[idx];
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graymean += (double)gray;
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}
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seuil = (float) (graymean / surface);
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// fprintf(stderr, "graymean = %f seuil = %f\n", graymean, seuil);
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for (idx=0; idx<surface; idx++) {
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gray = src->R[idx] + src->G[idx] + src->B[idx];
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if (gray > seuil) {
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dst->R[idx] = gray - seuil;
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dst->B[idx] = seuil / 8.0;
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}
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else {
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dst->G[idx] = gray;
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dst->B[idx] = seuil / 8.0;
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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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