Bibliothèque de traitements d'images en virgule flottante.
http://la.buvette.org/photos/cumul/
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151 lines
2.9 KiB
151 lines
2.9 KiB
/*
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* crapulator.c
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <floatimg.h>
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#include "fonctions.h"
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#include "crapulator.h"
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/* -------------------------------------------------------------- */
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static int effect_3(FloatImg *image)
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{
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float value;
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int foo;
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value = fimg_get_maxvalue(image);
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fimg_mul_cste(image, -1.0);
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fimg_add_cste(image, value);
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foo = fimg_count_negativ(image);
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if (foo) {
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fimg_dump_to_file(image, "err.fimg", 0);
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fprintf(stderr, "%s negativ %d\n",
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__func__, foo);
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return -78;
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}
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return 0;
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}
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/* -------------------------------------------------------------- */
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static int insitu_ctr2x2(FloatImg *pimg)
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{
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FloatImg img;
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int retval;
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fimg_clone(pimg, &img, 0);
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// XXX fimg_clear(&img);
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retval = fimg_contour_2x2(pimg, &img, 0);
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if (retval) {
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fprintf(stderr, "%s : err contour %d\n",
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__func__, retval);
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exit(1);
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}
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fimg_copy_data(&img, pimg);
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fimg_destroy(&img);
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return 0;
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}
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/* -------------------------------------------------------------- */
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/*
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* This is the main filter engine
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* used both for input and output
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*/
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int crapulator(FloatImg *image, int idFx, float fval)
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{
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int retval;
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// FloatImg imgtmp;
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static int count = 0;
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int flag_debug = 0;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %d %f )\n", __func__,
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image, idFx, fval);
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#endif
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retval = 0;
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if (666==count) {
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flag_debug = 1;
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fprintf(stderr, "DEBUG PT 1 in %s:%d\n", __func__, __LINE__);
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fimg_save_as_png(image, "crap_before.png", 0);
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}
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switch (idFx) {
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case 0: /* DO NOTHING */
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retval = 0; break;
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case 1:
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fimg_cos_01(image, image,
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fimg_get_maxvalue(image));
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break;
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case 2:
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fimg_cos_010(image, image,
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fimg_get_maxvalue(image));
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break;
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case 3:
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retval = effect_3(image);
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break;
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case 4:
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brotche_rand48_a(image, 0.20,
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fimg_get_maxvalue(image));
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break;
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case 5:
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brotche_rand48_b(image, 0.10,
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fimg_get_maxvalue(image)*0.8);
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break;
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case 6:
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fimg_killcolors_a(image, 0.0);
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break;
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case 7:
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retval = fimg_colors_mixer_a(image, 2.0);
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break;
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case 8:
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retval = insitu_ctr2x2(image);
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break;
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case 9:
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retval = fimg_classif_trial(image, image, 0.37, 0);
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if (retval) {
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fprintf(stderr, "err %d in classif\n", retval);
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exit(1);
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}
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break;
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case 10:
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retval = binarize(image, 0);
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break;
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case 11:
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retval = trinarize(image, 0);
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break;
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/* --- WTF -- */
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case 25:
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retval = vertical_singlitch(image, 250, fval, 18, 0);
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break;
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default :
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fprintf(stderr, "%s : effect #%d invalid\n",
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__func__, idFx);
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return -77;
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}
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if (flag_debug) {
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fprintf(stderr, "DEBUG PT 2 in %s:%d\n", __func__, __LINE__);
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fimg_save_as_png(image, "crap_after.png", 0);
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}
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count++; flag_debug = 0;
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return retval;
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}
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/* -------------------------------------------------------------- */
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char * crap_name_from_number(int num)
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{
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return "???";
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}
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/* -------------------------------------------------------------- */
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int crap_number_from_name(char *name)
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{
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return -1;
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}
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/* -------------------------------------------------------------- */
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