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