forked from tTh/FloatImg
commit du soir, espoir
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@ -956,7 +956,7 @@ encore un peu rudimentaire
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vers le programme de capture d'image décrit page \pageref{grabvidseq}.
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Il utilise deux fichiers dans le répertoire de travail~:
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\textit{reglages} et \textit{compteur}. Le premier est, en fait,
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un bout de shell affectant quelques variables, ou plutôt, les surchargent.
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un bout de shell affectant quelques variables, ou plutôt, les surchargant.
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\begin{lstlisting}
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OPTIONS="${OPTIONS} -v -c pow2 "
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@ -1,8 +1,9 @@
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/*
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* floatimg.h
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* floatimg.h
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* ugly code from tTh
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*/
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#define FIMG_VERSION 98
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#define FIMG_VERSION 100
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/*
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* in memory descriptor
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@ -115,6 +116,10 @@ int fimg_power_2(FloatImg *s, FloatImg *d, double maxval);
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int fimg_cos_01(FloatImg *s, FloatImg *d, double maxval);
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int fimg_cos_010(FloatImg *s, FloatImg *d, double maxval);
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/* module funcs/geometry.c */
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int fimg_equalize_compute(FloatImg *src, void *vptr);
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int fimg_mk_gray_from(FloatImg *src, FloatImg*dst, int k);
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int fimg_desaturate(FloatImg *src, FloatImg *dst, int k);
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@ -1,9 +1,10 @@
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#---------------------------------------------------------------
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COPT = -Wall -fpic -g -pg -no-pie -DDEBUG_LEVEL=0
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COPT = -Wall -fpic -g -no-pie -DDEBUG_LEVEL=0
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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 sfx0.o geometry.o rotate.o
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fimg-libpnm.o rampes.o sfx0.o geometry.o rotate.o \
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equalize.o
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#---------------------------------------------------------------
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@ -36,6 +37,9 @@ geometry.o: geometry.c $(DEPS)
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rotate.o: rotate.c $(DEPS)
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gcc $(COPT) -c $<
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equalize.o: equalize.c $(DEPS)
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gcc $(COPT) -c $<
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sfx0.o: sfx0.c $(DEPS)
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gcc $(COPT) -c $<
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39
funcs/equalize.c
Normal file
39
funcs/equalize.c
Normal file
@ -0,0 +1,39 @@
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/*
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* FLOATIMG
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* egalisation dinamique approximative
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* #coronamaison Thu 09 Apr 2020 03:37:10 PM CEST
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*/
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#include <stdio.h>
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#include <string.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_equalize_compute(FloatImg *src, void *vptr)
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{
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float minmax[6];
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int foo;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p )\n", __func__, src);
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#endif
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foo = fimg_get_minmax_rgb(src, minmax);
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printf("Rmin %12.4g Rmax %12.4g\n", minmax[0], minmax[1]);
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printf("Gmin %12.4g Gmax %12.4g\n", minmax[2], minmax[3]);
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printf("Bmin %12.4g Bmax %12.4g\n", minmax[4], minmax[5]);
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if ( (minmax[0]<0.0) || (minmax[2]<0.0) || (minmax[4]<0.0) ) {
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fprintf(stderr, "%s: negative value ?\n", __func__);
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return -4;
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}
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return 0;
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}
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/* --------------------------------------------------------------------- */
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/* --------------------------------------------------------------------- */
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/* --------------------------------------------------------------------- */
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132
funcs/t.c
132
funcs/t.c
@ -12,6 +12,37 @@ int verbosity;
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float global_fvalue;
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/* --------------------------------------------------------------------- */
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/*
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* egalisation dynamique approximative
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* #coronamaison Thu 09 Apr 2020 03:37:10 PM CEST
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*/
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int essai_equalize(char *infile)
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{
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FloatImg src;
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int foo;
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if (NULL != infile) {
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fprintf(stderr, "%s: loading %s\n", __func__, infile);
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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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}
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else {
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fprintf(stderr, "%s : NOT INPUT FILE, FUBAR\n", __func__);
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abort();
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}
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foo = fimg_equalize_compute(&src, NULL);
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fprintf(stderr, "equalize compute --> %d\n", foo);
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fimg_destroy(&src);
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return -1;
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}
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/* --------------------------------------------------------------------- */
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int essai_rotate(char *infile)
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{
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@ -82,19 +113,24 @@ else {
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fimg_test_pattern(&src, 0, 255.0);
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}
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fimg_save_as_png(&src, "test.png", 0);
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// fimg_save_as_png(&src, "test.png", 0);
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foo = fimg_clone(&src, &dst, 0);
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if (foo) {
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fprintf(stderr, "%s: err clone %p\n", __func__, &src);
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return -44;
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}
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fimg_filter_3x3(&src, &dst, &filter_a);
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foo = fimg_clamp_negativ(&dst);
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if (foo) {
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fprintf(stderr, "clamped %d negative pixels\n", foo);
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}
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foo = fimg_save_as_png(&dst, "f3x3a.png", 0);
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// foo = fimg_save_as_png(&dst, "f3x3a.png", 0);
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// foo = fimg_save_as_pnm(&dst, "f3x3a.pnm", 0);
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fimg_filter_3x3(&src, &dst, &filter_b);
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@ -102,7 +138,7 @@ foo = fimg_clamp_negativ(&dst);
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if (foo) {
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fprintf(stderr, "clamped %d negative pixels\n", foo);
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}
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foo = fimg_save_as_png(&dst, "f3x3b.png", 0);
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// foo = fimg_save_as_png(&dst, "f3x3b.png", 0);
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// foo = fimg_save_as_pnm(&dst, "f3x3a.pnm", 0);
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fimg_destroy(&src); fimg_destroy(&dst);
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@ -315,36 +351,102 @@ fprintf(stderr, "save as png -> %d\n", foo);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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enum nCmd { Equalize=1, Rotate, Sfx0, F3x3 };
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typedef struct {
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char *name;
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int Cmd;
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} Command;
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Command commands[] = {
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{ "equalize", Equalize },
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{ "rotate", Rotate },
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{ "sfx0", Sfx0 },
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{ "f3x3", F3x3 },
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{ NULL, 0 }
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} ;
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/* --------------------------------------------------------------------- */
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int lookup_cmd(char *cmdtxt)
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{
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Command *pcmd;
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pcmd = commands;
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while (pcmd->name) {
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if (!strcmp(pcmd->name, cmdtxt)) return pcmd->Cmd;
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pcmd++;
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}
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return -1;
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}
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/* --------------------------------------------------------------------- */
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void help(int k)
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{
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Command *pcmd;
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fprintf(stderr, "usage:\n\t./t command in-filename\n");
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fprintf(stderr, "commands:\n");
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pcmd = commands;
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while (pcmd->name) {
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fprintf(stderr, "\t%-15s %d\n", pcmd->name, pcmd->Cmd);
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pcmd++;
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}
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fprintf(stderr, "\ncompiled on "__DATE__" at "__TIME__"\n");
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exit(0);
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}
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/* --------------------------------------------------------------------- */
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int main(int argc, char *argv[])
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{
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int foo, opt;
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char *filename;
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char *filename, *command;
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puts("++++++++++++++++++++++++++++++++");
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puts("++++++++ test des fonctions +++++++");
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global_fvalue = 1.0;
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while ((opt = getopt(argc, argv, "hk:v")) != -1) {
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switch(opt) {
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// case 'h': help(0); break;
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case 'h': help(0); break;
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case 'k': global_fvalue = atof(optarg); break;
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case 'v': verbosity++; break;
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}
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}
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fprintf(stderr, "argc %d optind %d\n", argc, optind);
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// fprintf(stderr, "argc %d optind %d\n", argc, optind);
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filename = NULL;
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if (1 == argc-optind) filename = argv[optind];
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/*
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foo = essai_filtrage_2x2(filename);
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if (foo) {
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fprintf(stderr, "Filtre 2x2 ====> %d\n", foo);
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if (2 != argc-optind) {
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fprintf(stderr, "%s: bad command line\n", argv[0]);
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help(1);
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}
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command = argv[optind];
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filename = argv[optind+1];
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if (verbosity) {
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fprintf(stderr, "running command '%s' on '%s'\n", command, filename);
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}
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opt = lookup_cmd(command);
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fprintf(stderr, "lookup '%s' --> %d\n", command, opt);
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switch(opt) {
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case Equalize:
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foo = essai_equalize(filename); break;
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case Sfx0:
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foo = essai_sfx0(filename); break;
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case F3x3:
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foo = essai_filtrage_3x3(filename); break;
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default:
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fprintf(stderr, "%s : bad command\n", command);
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exit(1);
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}
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*/
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foo = essai_rotate(filename);
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if (foo) {
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fprintf(stderr, "Essai ====> %d\n", foo);
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}
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@ -111,7 +111,7 @@ if (NULL==fptr) {
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}
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#if DEBUG_LEVEL > 1
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fprintf(stderr, " got %d bytes at %p\n", size, fptr);
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fprintf(stderr, " %s: got %d bytes at %p\n", __func__, size, fptr);
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#endif
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fimg->width = w; fimg->height = h;
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@ -19,7 +19,7 @@ extern int verbosity; /* must be declared around main() */
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float fimg_get_maxvalue(FloatImg *head)
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{
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float maxval;
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int foo;
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int foo, surface;
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if (head->type != FIMG_TYPE_RGB && head->type != FIMG_TYPE_GRAY) {
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fprintf(stderr, "%s : type %d invalide\n",
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@ -29,15 +29,17 @@ if (head->type != FIMG_TYPE_RGB && head->type != FIMG_TYPE_GRAY) {
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maxval = 0.0; /* no negative values allowed */
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surface = head->width*head->height;
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switch (head->type) {
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case FIMG_TYPE_RGB:
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for (foo=0; foo<(head->width*head->height); foo++) {
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for (foo=0; foo<surface; foo++) {
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if (head->R[foo] > maxval) maxval = head->R[foo];
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if (head->G[foo] > maxval) maxval = head->G[foo];
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if (head->B[foo] > maxval) maxval = head->B[foo];
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}
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case FIMG_TYPE_GRAY:
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for (foo=0; foo<(head->width*head->height); foo++) {
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for (foo=0; foo<surface; foo++) {
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if (head->R[foo] > maxval) maxval = head->R[foo];
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}
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}
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@ -209,6 +211,19 @@ for (idx=0; idx<nbre; idx++) {
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}
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}
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/* WTF 12 avril 2020, valgrind me cause mal ?
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==28943== Conditional jump or move depends on uninitialised value(s)
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==28943== at 0x4045E9: fimg_clamp_negativ (fimg-math.c:208)
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==28943== by 0x4018C9: essai_filtrage_3x3 (t.c:128)
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==28943== by 0x4024D5: main (t.c:444)
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==28943== Uninitialised value was created by a heap allocation
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==28943== at 0x483577F: malloc (vg_replace_malloc.c:299)
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==28943== by 0x40284D: fimg_create (fimg-core.c:107)
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==28943== by 0x402AB3: fimg_clone (fimg-core.c:174)
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==28943== by 0x401861: essai_filtrage_3x3 (t.c:118)
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==28943== by 0x4024D5: main (t.c:444)
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*/
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return count;
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}
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/* ---------------------------------------------------------------- */
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@ -48,7 +48,7 @@ else
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fi
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# ------------------------------------
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# take and display the fancy picture
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# grab and display the fancy picture
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$GVS -d $DEV -n $NBRE -p $PERIOD $OPTIONS -s $SZ -o $outfile
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if [ ${SHOW} == "yes" ]
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