tTh/FloatImg
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"img_crump_hard" was made in the bibcave

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tth 2021-06-01 09:44:48 +02:00
parent 49d2703612
commit e88ea153bd
5 changed files with 62 additions and 6 deletions
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4
floatimg.h
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@ -4,7 +4,7 @@
* http://la.buvette.org/photos/cumul
*/
#define FIMG_VERSION 152
#define FIMG_VERSION 153
/*
* in memory descriptor
@ -124,7 +124,7 @@ int fimg_binarize(FloatImg *pimg, int notused);
int fimg_trinarize(FloatImg *pimg, int notused);
/* module sfx3.c */
int fimg_crump_hard(FloatImg *src, FloatImg *dst, float kval, int notused);
/* module sfx4.c */
int fimg_sfx_triplemul(FloatImg *s, FloatImg *d, int notused);

6
funcs/Makefile
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@ -7,7 +7,8 @@ COPT = -Wall -fpic -g -no-pie -DDEBUG_LEVEL=0
DEPS = ../floatimg.h Makefile
OBJS = fimg-png.o fimg-tiff.o misc-plots.o filtrage.o utils.o \
fimg-libpnm.o rampes.o sfx0.o sfx1.o sfx2.o sfx4.o \
fimg-libpnm.o rampes.o \
sfx0.o sfx1.o sfx2.o sfx3.o sfx4.o \
geometry.o rotate.o fimg-openexr.o \
equalize.o fimg-fits.o saturation.o histogram.o \
hsv.o classif.o contour2x2.o qsortrgb.o exporter.o \
@ -99,6 +100,9 @@ sfx1.o: sfx1.c $(DEPS)
sfx2.o: sfx2.c $(DEPS)
gcc $(COPT) -c $<
sfx3.o: sfx3.c $(DEPS)
gcc $(COPT) -c $<
sfx4.o: sfx4.c $(DEPS)
gcc $(COPT) -c $<

52
funcs/sfx3.c Normal file
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@ -0,0 +1,52 @@
/*
* FLOATIMG - a kluge from tTh
* ---------------------------
*
* some strange effects on floating pictures, made in
* the batcave of "Le Bib", in Montpellier.
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "../floatimg.h"
extern int verbosity;
/* -------------------------------------------------------------- */
int fimg_crump_hard(FloatImg *src, FloatImg *dst, float kval, int notused)
{
float halfval;
float rgb[3];
int x, y, foo;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %p %f 0x%04x )\n", __func__,
src, dst, kval, notused);
#endif
halfval = fimg_get_maxvalue(src) / 2.0;
if (verbosity) {
fprintf(stderr, "%s: halfval=%f\n", __func__, halfval);
}
for (y=0; y<src->height; y++) {
for (x=0; x<src->width; x++) {
foo = fimg_get_rgb(src, x, y, rgb);
if (foo) return foo;
if (rgb[0] > halfval) rgb[0] /= 2.0;
if (rgb[1] > halfval) rgb[1] /= 2.0;
if (rgb[2] > halfval) rgb[2] /= 2.0;
foo = fimg_put_rgb(dst, x, y, rgb);
if (foo) return foo;
}
}
return 0;
}
/* -------------------------------------------------------------- */

2
funcs/sfx4.c
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@ -21,7 +21,7 @@ int x, y, foo;
float in[3], out[3];
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p 0x%04x )\n", __func__, img, notused);
fprintf(stderr, ">>> %s ( %p %p 0x%04x )\n", __func__, src, dst, notused);
#endif
for (y=0; y<src->height; y++) {

4
tools/fimgfx.c
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@ -93,9 +93,9 @@ int foo;
fprintf(stderr, ">>> %s ( %p %p %f )\n", __func__, S, D, kf);
#endif
foo = fimg_classif_trial(S, D, kf, 0);
foo = fimg_crump_hard(S, D, kf, 0);
if (foo) {
fprintf(stderr, "%s error %d classif_trial %p\n", __func__,
fprintf(stderr, "%s error %d experiment %p\n", __func__,
foo, S);
return -98;
}