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tracking a math bug in filters3x3

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tth
2021-02-23 03:49:24 +01:00
parent c6f10d642a
commit d867b905a8
4 changed files with 41 additions and 19 deletions
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16
Fonderie/crapulator.c
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@@ -14,6 +14,8 @@
#include "glitches.h"
#include "sfx.h"
extern int verbosity;
/* -------------------------------------------------------------- */
static int trier_les_pixels(FloatImg *pimg)
{
@@ -76,7 +78,7 @@ return 0;
static int insitu_filtre3x3(FloatImg *pimg, int typef)
{
FloatImg img;
int retval;
int foo, retval;
FimgFilter3x3 *pfiltre;
FimgFilter3x3 lowpass = {
@@ -103,7 +105,7 @@ FimgFilter3x3 diagonal = {
1.0, 0.0, -1.0,
0.0, -1.0, -2.0,
},
1.0, 0.0
1.0, 4.0
};
switch (typef) {
@@ -124,8 +126,12 @@ if (retval) {
fprintf(stderr, "%s error %d on filter\n", __func__, retval);
exit(1);
}
/*
* may be, here, we can check for negative values ? */
/** may be, we can check for negative values ? */
if (verbosity) {
foo = fimg_count_negativ(&img);
fprintf(stderr, "%s -> %d negs\n", __func__, foo);
}
fimg_killborders(&img);
fimg_copy_data(&img, pimg);
fimg_destroy(&img);
@@ -206,7 +212,7 @@ switch (idFx) {
break;
case CR_liss2x2:
retval = fimg_lissage_2x2(image);
(void)fimg_killborders(image);
// (void)fimg_killborders(image);
break;
case CR_liss3x3:
/* smooth filter */