Bibliothèque de traitements d'images en virgule flottante. http://la.buvette.org/photos/cumul/
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/*
* tests des fonctions diverses - subroutines
see also: t.c
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <pam.h>
#undef DEBUG_LEVEL
#define DEBUG_LEVEL 1
#include "../floatimg.h"
#include "tests.h"
extern int verbosity;
/* --------------------------------------------------------------------- */
int fimg_recursion_proto(FloatImg *src, FloatImg *dst, int notused);
int essai_recursion(char *inf, char *outf, int flags)
{
int foo;
FloatImg src, dst;
fprintf(stderr, ">>> %s ( '%s' '%s' 0x%04X )\n", __func__,
inf, outf, flags);
foo = fimg_create_from_dump(inf, &src);
if (0 != foo) {
fprintf(stderr, "%s: err %d loading image '%s'\n", __func__,
foo, inf);
return foo;
}
fimg_clone(&src, &dst, 0);
foo = fimg_recursion_proto(&src, &dst, flags);
if (foo) {
fprintf(stderr, "%s: fail %d\n", __func__, foo);
return foo;
}
foo = fimg_export_picture(&dst, outf, 0);
if (foo) {
fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
return foo;
}
return -1;
}
/* --------------------------------------------------------------------- */
int essai_miroir(char *inf, char *outf, int flags)
{
int foo;
FloatImg src, dst;
fprintf(stderr, ">>> %s ( '%s' '%s' 0x%X )\n", __func__,
inf, outf, flags);
foo = fimg_create_from_dump(inf, &src);
if (0 != foo) {
fprintf(stderr, "%s: err %d loading image '%s'\n", __func__,
foo, inf);
return foo;
}
fimg_clone(&src, &dst, 0);
/* run the crappy code */
foo = fimg_mirror(&src, &dst, 0);
if (foo) {
fprintf(stderr, "err %d in fimg_mirrot\n", foo);
return -6;
}
foo = fimg_export_picture(&dst, outf, 0);
if (foo) {
fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
return foo;
}
return 0;
}
/* --------------------------------------------------------------------- */
/* nouveau 21 mars 2021 - rue d'Aragon */
int essai_openexr(char *inf, char *outf, int flags)
{
FloatImg src;
int foo;
fprintf(stderr, ">>> %s ( '%s' '%s' 0x%X )\n", __func__,
inf, outf, flags);
foo = fimg_create_from_dump(inf, &src);
if (0 != foo) {
fprintf(stderr, "%s: err %d loading image '%s'\n", __func__,
foo, inf);
return foo;
}
// fprintf(stderr, "image loaded at %p\n", &src);
fimg_describe(&src, "for save EXR test");
foo = fimg_save_as_exr(&src, outf, flags);
fimg_destroy(&src);
return -2;
}
/* --------------------------------------------------------------------- */
/* nouveau 20 mars 2021 - rue d'Aragon */
int essai_highlights(char *inf, char *outf, int ikoef, float fkoef)
{
FloatImg src, dst;
int foo;
fprintf(stderr, ">>> %s ( '%s' '%s' %d %g )\n", __func__,
inf, outf, ikoef, fkoef);
foo = fimg_create_from_dump(inf, &src);
if (0 != foo) {
fprintf(stderr, "%s: err %d loading image '%s'\n", __func__,
foo, inf);
return foo;
}
fimg_clone(&src, &dst, 0);
foo = fimg_highlight_color(&src, &dst, 'R', fkoef);
if (foo) {
fprintf(stderr, "%s: err %d ?\n", __func__, foo);
return foo;
}
foo = fimg_export_picture(&dst, outf, 0);
if (foo) {
fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
return foo;
}
return 0;
}
/* --------------------------------------------------------------------- */
int essai_plasma(char *infile, char *outfile, int ikoef, float fkoef)
{
FloatImg src, dst;
int foo;
fprintf(stderr, ">>> %s ( '%s' '%s' %d %g )\n", __func__,
infile, outfile, ikoef, fkoef);
/* if infile is loadable, use it for background */
foo = fimg_create_from_dump(infile, &src);
if (0 == foo) {
fprintf(stderr, "%s: image '%s' loaded\n", __func__, infile);
}
else {
/* make a fancy synthetic picture */
foo = fimg_create(&src, 800, 600, FIMG_TYPE_RGB);
}
fimg_printhead(&src);
fimg_clone(&src, &dst, 1);
foo = fimg_prototype_plasma(&dst, fkoef, 0);
if (foo) {
fprintf(stderr, "%s: err %d on plasma proto\n", __func__, foo);
return -88;
}
fimg_mul_3(&src, &dst, &dst);
foo = fimg_export_picture(&dst, outfile, 0);
if (foo) {
fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
return foo;
}
return -1;
}
/* --------------------------------------------------------------------- */
/* nouveau 24 octobre 2020, pendant le masque-flamme coronavidique */
int essai_displacement(char *infile, char *outfile)
{
int foo;
FloatImg src, dst;
fprintf(stderr, "%s : loading %s\n", __func__, infile);
foo = fimg_create_from_dump(infile, &src);
if (foo) {
fprintf(stderr, "%s: error loading '%s'\n", __func__, infile);
return foo;
}
fimg_clone(&src, &dst, 1);
foo = fimg_displacement_0(&src, &dst, 0);
if (foo) {
fprintf(stderr, "%s: err %d in disp map 0\n", __func__, foo);
return foo;
}
foo = fimg_export_picture(&dst, outfile, 0);
if (foo) {
fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
return foo;
}
return 0;
}
/* --------------------------------------------------------------------- */
/*
* nouveau 7 octobre 2020 pendant sonoptic
*
* inspiration: Olivier Baudu
*/
int essai_qsort_rgb(char *infile, char *outfile)
{
FloatImg src, dst;
int foo;
if (NULL != infile) {
fprintf(stderr, "%s : loading %s\n", __func__, infile);
foo = fimg_create_from_dump(infile, &src);
if (foo) {
fprintf(stderr, "%s: error loading '%s'\n", __func__, infile);
return foo;
}
}
else {
fprintf(stderr, "%s : NOT INPUT FILE, FUBAR\n", __func__);
abort();
}
fimg_clone(&src, &dst, 1);
foo = fimg_qsort_rgb_b(&src, &dst, 0);
if (foo) {
fprintf(stderr, "%s: err %d in qsort_rgb\n", __func__, foo);
return foo;
}
foo = fimg_export_picture(&dst, outfile, 0);
if (foo) {
fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
return foo;
}
fimg_destroy(&src); fimg_destroy(&dst);
return 0;
}
/* --------------------------------------------------------------------- */
/*
* nouveau 5 octobre 2020 pendant sonoptic
*/
int essai_contour_2x2(char *infile, char *outfile)
{
FloatImg src, dst;
int foo;
if (NULL != infile) {
fprintf(stderr, "%s : loading %s\n", __func__, infile);
foo = fimg_create_from_dump(infile, &src);
if (foo) {
fprintf(stderr, "%s: error loading '%s'\n", __func__, infile);
return foo;
}
}
else {
fprintf(stderr, "%s : NOT INPUT FILE, FUBAR\n", __func__);
abort();
}
fimg_clone(&src, &dst, 1);
foo = fimg_contour_2x2(&src, &dst, 0);
if (foo) {
fprintf(stderr, "%s: err %d in contour_2x2\n", __func__, foo);
return foo;
}
foo = fimg_export_picture(&dst, outfile, 0);
if (foo) {
fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
return foo;
}
fimg_destroy(&src); fimg_destroy(&dst);
return 0;
}
/* --------------------------------------------------------------------- */
/*
* nouveau 5 octobre 2020 pendant sonoptic
*/
int essai_classif(char *infile, char *outfile, float fvalue)
{
FloatImg src, dst;
int foo;
if (NULL != infile) {
fprintf(stderr, "%s : loading %s\n", __func__, infile);
foo = fimg_create_from_dump(infile, &src);
if (foo) {
fprintf(stderr, "%s: error loading '%s'\n", __func__, infile);
return foo;
}
}
else {
fprintf(stderr, "%s : NOT INPUT FILE, FUBAR\n", __func__);
abort();
}
fimg_clone(&src, &dst, 1);
fprintf(stderr, "%s : fvalue is %f\n", __func__, fvalue);
foo = fimg_classif_trial(&src, &dst, fvalue, 0);
if (foo) {
fprintf(stderr, "%s: err %d in classif_trial\n", __func__, foo);
return foo;
}
foo = fimg_export_picture(&dst, outfile, 0);
if (foo) {
fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
return foo;
}
fimg_destroy(&src); fimg_destroy(&dst);
return 0;
}
/* --------------------------------------------------------------------- */
/* nouveau 19 aout 2020, le matin avant la canicule */
int essai_ecriture_tiff(char *outname)
{
int foo;
FloatImg picz;
fimg_create(&picz, 800, 600, FIMG_TYPE_RGB);
fimg_test_pattern(&picz, 0, 22222);
foo = fimg_write_as_tiff(&picz, outname, 0);
if (foo) {
fprintf(stderr, "%s got a %d\n", __func__, foo);
return foo;
}
return 0;
}
/* --------------------------------------------------------------------- */
/* essai de fichiers FITS (astronomie) */
int essai_ecriture_fits(char *outname)
{
FloatImg src;
int foo;
fprintf(stderr, "%s is creating the picz\n", __func__);
fimg_create(&src, 512, 512, FIMG_TYPE_RGB);
fimg_test_pattern(&src, 0, 255.0);
foo = fimg_save_R_as_fits(&src, outname, 0);
fprintf(stderr, "saving '%s' to fits --> %d\n", outname, foo);
return -1;
}
/* --------------------------------------------------------------------- */
/*
* egalisation dynamique approximative
* #coronamaison Thu 09 Apr 2020 03:37:10 PM CEST
*/
int essai_equalize(char *infile)
{
FloatImg src;
int foo;
if (NULL != infile) {
fprintf(stderr, "%s: loading %s\n", __func__, infile);
foo = fimg_create_from_dump(infile, &src);
if (foo) {
fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
return foo;
}
}
else {
fprintf(stderr, "%s : NOT INPUT FILE, FUBAR\n", __func__);
abort();
}
/*
* XXX need more work on this function !
*/
foo = fimg_equalize_compute(&src, NULL, 666.666);
fprintf(stderr, "equalize compute --> %d\n", foo);
fimg_destroy(&src);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_rotate(char *infile)
{
FloatImg src, dst;
int foo;
if (NULL != infile) {
fprintf(stderr, "%s: loading %s\n", __func__, infile);
foo = fimg_create_from_dump(infile, &src);
if (foo) {
fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
return foo;
}
}
else {
fprintf(stderr, "%s : NOT INPUT FILE, FUBAR\n", __func__);
abort();
}
fimg_save_as_png(&src, "test.png", 0);
foo = fimg_rotate_90(&src, &dst, 0);
fprintf(stderr, "rotate 90 -> %d\n", foo);
foo = fimg_export_picture(&dst, "rotated90.png", 0);
foo = fimg_export_picture(&dst, "rotated90.pnm", 0);
fimg_destroy(&src);
return -1;
}
/* --------------------------------------------------------------------- */
int essai_filtrage_3x3(char *infile)
{
FloatImg src, dst;
int foo; /// , idx;
// char buffer[100];
FimgFilter3x3 filter_a = {
{ 1.0, 1.0, 1.0,
1.0, -3.0, 1.0,
1.0, 1.0, 1.0 },
9.0, 0.0
};
FimgFilter3x3 filter_b = {
{ -2.0, -1.0, 0.0,
-1.0, 3.0, 1.0,
0.0, 1.0, 2.0 },
8.0, 0.0
};
FimgFilter3x3 filter_c = {
{
2.0, 1.0, 0.0,
1.0, 0.0, -1.0,
0.0, -1.0, -2.0,
},
1.0, 8.0
};
if (NULL != infile) {
fprintf(stderr, "%s: loading %s\n", __func__, infile);
foo = fimg_create_from_dump(infile, &src);
if (foo) {
fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
return foo;
}
}
else {
fprintf(stderr, "%s is creating the picz\n", __func__);
fimg_create(&src, 640, 480, FIMG_TYPE_RGB);
fimg_test_pattern(&src, 0, 255.0);
}
// fimg_save_as_png(&src, "test.png", 0);
foo = fimg_count_negativ(&src);
fprintf(stderr, "%s: source have %d negs\n", __func__, foo);
foo = fimg_clone(&src, &dst, 0);
if (foo) {
fprintf(stderr, "%s: err clone %p\n", __func__, &src);
return -44;
}
fimg_filter_3x3(&src, &dst, &filter_a);
foo = fimg_clamp_negativ(&dst);
if (foo) {
fprintf(stderr, "A clamped %d negative pixels\n", foo);
}
foo = fimg_save_as_png(&dst, "f3x3a.png", 0);
// foo = fimg_save_as_pnm(&dst, "f3x3a.pnm", 0);
fimg_filter_3x3(&src, &dst, &filter_b);
foo = fimg_clamp_negativ(&dst);
if (foo) {
fprintf(stderr, "B clamped %d negative pixels\n", foo);
}
foo = fimg_save_as_png(&dst, "f3x3b.png", 0);
// foo = fimg_save_as_pnm(&dst, "f3x3a.pnm", 0);
fimg_filter_3x3(&src, &dst, &filter_c);
foo = fimg_clamp_negativ(&dst);
if (foo) {
fprintf(stderr, "C clamped %d negative pixels\n", foo);
}
foo = fimg_save_as_png(&dst, "f3x3b.png", 0);
// foo = fimg_save_as_pnm(&dst, "f3x3a.pnm", 0);
fimg_destroy(&src); fimg_destroy(&dst);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_filtrage_2x2(char *infile)
{
FloatImg fimg;
int foo, idx;
char buffer[100];
if (NULL != infile) {
fprintf(stderr, "%s: loading %s\n", __func__, infile);
foo = fimg_create_from_dump(infile, &fimg);
if (foo) {
fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
return foo;
}
}
else {
fprintf(stderr, "%s is creating the picz\n", __func__);
fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
fimg_draw_something(&fimg);
}
foo = fimg_save_as_pnm(&fimg, "source.pnm", 0);
/*
* running multiple filters so you can
* watch the up-left shift :)
*/
for (idx=0; idx<5; idx++) {
foo = fimg_lissage_2x2(&fimg);
sprintf(buffer, "filter%03d.png", idx);
foo = fimg_save_as_png(&fimg, buffer, 0);
if (verbosity) {
fprintf(stderr, "%s %d\n", buffer, foo);
}
}
fimg_destroy(&fimg);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_geometrie(char *infile, int notused)
{
FloatImg fimg, result;
int foo;
if (NULL != infile) {
fprintf(stderr, "loading %s\n", infile);
foo = fimg_create_from_dump(infile, &fimg);
if (foo) {
fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
return foo;
}
}
else {
fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
fimg_draw_something(&fimg);
}
// foo = fimg_save_as_pnm(&fimg, "source.pnm", 0);
memset(&result, 0, sizeof(FloatImg));
foo = fimg_halfsize_0(&fimg, &result, 0);
fprintf(stderr, "retour halfsize 0 -> %d\n", foo);
if (foo) {
return -2;
}
if (verbosity) fimg_describe(&result, "result after halfsize 0");
foo = fimg_save_as_pnm(&result, "halfsize0.pnm", 0);
fimg_destroy(&result);
foo = fimg_halfsize_1(&fimg, &result, 0);
fprintf(stderr, "retour halfsize 1 -> %d\n", foo);
if (foo) {
return -2;
}
if (verbosity) fimg_describe(&result, "result after halfsize 1");
foo = fimg_save_as_pnm(&result, "halfsize1.pnm", 0);
/* hop, un peu de nettoyage */
fimg_destroy(&result); fimg_destroy(&fimg);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_sfx0(char *infile)
{
FloatImg fimg;
int foo;
if (NULL != infile) {
fprintf(stderr, "loading %s\n", infile);
foo = fimg_create_from_dump(infile, &fimg);
if (foo) {
fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
return foo;
}
}
else {
fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
fimg_draw_something(&fimg);
}
foo = fimg_save_as_pnm(&fimg, "something.pnm", 0);
if (foo) {
fprintf(stderr, "%s: err save %d\n", __func__, foo);
return -6;
}
foo = fimg_killcolors_a(&fimg, 0.0);
foo = fimg_save_as_pnm(&fimg, "colorskilled-a.pnm", 0);
if (foo) {
fprintf(stderr, "%s: err save %d\n", __func__, foo);
return -6;
}
foo = fimg_killcolors_b(&fimg, 0.0);
foo = fimg_save_as_pnm(&fimg, "colorskilled-b.pnm", 0);
if (foo) {
fprintf(stderr, "%s: err save %d\n", __func__, foo);
return -6;
}
fimg_destroy(&fimg);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_parse_double(void)
{
int foo;
double dval;
char *str;
str = "12.34"; dval = 0.0;
foo = parse_double(str, &dval);
printf("%-10s -> %3d %g\n", str, foo, dval);
str = "12e4"; dval = 0.0;
foo = parse_double(str, &dval);
printf("%-10s -> %3d %g\n", str, foo, dval);
str = "5s"; dval = 0.0;
foo = parse_double(str, &dval);
printf("%-10s -> %3d %g\n", str, foo, dval);
str = "PORN"; dval = 0.0;
foo = parse_double(str, &dval);
printf("%-10s -> %3d %g\n", str, foo, dval);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_detect_type(void)
{
int foo;
char *fname;
foo = format_from_extension(fname="foo.fimg");
printf("%-10s %3d\n", fname, foo);
foo = format_from_extension(fname="foo.pnm");
printf("%-10s %3d\n", fname, foo);
foo = format_from_extension(fname="foo.png");
printf("%-10s %3d\n", fname, foo);
foo = format_from_extension(fname="foo.tiff");
printf("%-10s %3d\n", fname, foo);
foo = format_from_extension(fname="foo.fits");
printf("%-10s %3d\n", fname, foo);
foo = format_from_extension(fname="foo.xyzzy");
printf("%-10s %3d\n", fname, foo);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_mire(char *outname, int notused)
{
FloatImg fimg;
int re, foo;
fimg_create(&fimg, 1280, 960, FIMG_TYPE_RGB);
re = fimg_test_pattern(&fimg, 9, 1.0);
if (re) {
fprintf(stderr, "fimg_test_pattern -> %d\n", re);
}
foo = fimg_export_picture(&fimg, "mire.pnm", 0);
fprintf(stderr, "in %s, export give a %d value\n", __func__, foo);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_rampes(void)
{
FloatImg fimg;
int foo;
fimg_create(&fimg, 640, 480, FIMG_TYPE_RGB);
#define V ((double)3.141592654)
foo = fimg_hdeg_a(&fimg, V);
fprintf(stderr, "make h deg -> %d\n", foo);
foo = fimg_save_as_pnm(&fimg, "hdeg.pnm", 0);
fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);
foo = fimg_vdeg_a(&fimg, V);
fprintf(stderr, "make h deg -> %d\n", foo);
foo = fimg_save_as_pnm(&fimg, "vdeg_a.pnm", 0);
fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);
foo = fimg_vdeg_a(&fimg, -V);
fprintf(stderr, "make h deg -> %d\n", foo);
foo = fimg_save_as_pnm(&fimg, "vdeg_b.pnm", 0);
fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);
#undef V
return 0;
}
/* --------------------------------------------------------------------- */
int essai_lecture_png(char *fname, char *outfile, int notused)
{
FloatImg fimg;
int foo;
fprintf(stderr, ">>> %s ( '%s' %d )\n", __func__, fname, notused);
memset(&fimg, 0, sizeof(FloatImg));
foo = fimg_create_from_png(fname, &fimg);
if (foo) {
fprintf(stderr, "%s: createfrom -> %d\n", __func__, foo);
return foo;
}
fimg_describe(&fimg, "created from png");
foo = fimg_export_picture(&fimg, outfile, 0);
if (foo) {
fprintf(stderr, "%s : err %d saving result to %s\n", __func__,
foo, outfile);
return foo;
}
return 0;
}
/* --------------------------------------------------------------------- */
int essai_ecriture_png(char *fname)
{
FloatImg fimg;
int foo;
fimg_create(&fimg, 800, 600, FIMG_TYPE_RGB);
fimg_draw_something(&fimg);
if (verbosity) {
foo = fimg_save_as_pnm(&fimg, "quux.pnm", 0);
fprintf(stderr, "%s: saved as pnm -> %d\n", __func__, foo);
}
foo = fimg_save_as_png(&fimg, fname, 0);
fprintf(stderr, "save as png -> %d\n", foo);
fimg_destroy(&fimg);
return 0;
}
/* --------------------------------------------------------------------- */
int fimg_essai_hsv(char *fname); /* hsv.c */
int essai_histogramme(char *fname, int k)
{
FloatImg fimg;
int foo;
fprintf(stderr, ">>> %s ( '%s' %d )\n", __func__, fname, k);
foo = fimg_create_from_dump(fname, &fimg);
if (foo) {
fprintf(stderr, "%s: err load '%s'\n", __func__, fname);
return foo;
}
foo = fimg_essai_histo(&fimg, "out.png", k);
if (foo) {
fprintf(stderr, "essai_histo -> error %d\n", foo);
return foo;
}
fimg_destroy(&fimg);
fprintf(stderr, "\\o/ end of %s\n", __func__);
return 0;
}
/* --------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */