tTh
/
FloatImg
2
2
Fork 1
Code Issues 2 Pull Requests Releases Wiki Activity
Bibliothèque de traitements d'images en virgule flottante. http://la.buvette.org/photos/cumul/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
339 Commits
1 Branch
0 Tags
312 MiB
 
 
 
 
Tree: 5a34cda32e
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '5a34cda32e'
${ noResults }
FloatImg/funcs/t.c

522 lines
11 KiB
Raw Blame History

/*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pam.h>
#include "../floatimg.h"
int verbosity;
float global_fvalue;
/* --------------------------------------------------------------------- */
/* 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 -7;
}
/* --------------------------------------------------------------------- */
/* 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();
}
foo = fimg_equalize_compute(&src, NULL, 666.666);
fprintf(stderr, "equalize compute --> %d\n", foo);
fimg_destroy(&src);
return -1;
}
/* --------------------------------------------------------------------- */
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_save_as_png(&dst, "rotated90.png", 0);
foo = fimg_save_as_pnm(&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 },
8.0, 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
};
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_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, "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, "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)
{
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 -> %d\n", foo);
if (foo) {
return -2;
}
if (verbosity) fimg_describe(&result, "result after halfsize");
foo = fimg_save_as_pnm(&result, "something.pnm", 0);
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;
}
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 %d\n\n", fname, foo);
foo = format_from_extension(fname="foo.pnm");
printf("%-10s %d\n\n", fname, foo);
foo = format_from_extension(fname="foo.png");
printf("%-10s %d\n\n", fname, foo);
foo = format_from_extension(fname="foo.xyzzy");
printf("%-10s %d\n\n", fname, foo);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_mire(char *outname, int notused)
{
FloatImg fimg;
int re;
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);
}
fimg_save_as_pnm(&fimg, "mire.pnm", 0);
return -1;
}
/* --------------------------------------------------------------------- */
int essai_rampes(void)
{
FloatImg fimg;
int foo;
fimg_create(&fimg, 640, 480, FIMG_TYPE_RGB);
foo = fimg_hdeg_a(&fimg, (double)3.141592654);
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, (double)3.141592654);
fprintf(stderr, "make h deg -> %d\n", foo);
foo = fimg_save_as_pnm(&fimg, "vdeg.pnm", 0);
fprintf(stderr, "%s: save as pnm -> %d\n", __func__, 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: save as pnm -> %d\n", __func__, foo);
}
foo = fimg_save_as_png(&fimg, fname, 0);
fprintf(stderr, "save as png -> %d\n", foo);
return 0;
}
/* --------------------------------------------------------------------- */
enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE, Wfits, Wpng, Wtiff };
typedef struct {
char *name;
int Cmd;
} Command;
Command commands[] = {
{ "equalize", Equalize },
{ "rotate", Rotate },
{ "sfx0", Sfx0 },
{ "f3x3", F3x3 },
{ "mire", MIRE },
{ "wfits", Wfits },
{ "wpng", Wpng },
{ "wtiff", Wtiff },
{ NULL, 0 }
} ;
/* --------------------------------------------------------------------- */
int lookup_cmd(char *cmdtxt)
{
Command *pcmd;
pcmd = commands;
while (pcmd->name) {
if (!strcmp(pcmd->name, cmdtxt)) return pcmd->Cmd;
pcmd++;
}
return -1;
}
/* --------------------------------------------------------------------- */
void help(int k)
{
Command *pcmd;
fprintf(stderr, "usage:\n\t./t command filename\n");
fprintf(stderr, "commands:\n");
pcmd = commands;
while (pcmd->name) {
fprintf(stderr, "\t%-15s %d\n", pcmd->name, pcmd->Cmd);
pcmd++;
}
fprintf(stderr, "\ncompiled on "__DATE__" at "__TIME__"\n");
exit(0);
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo, opt;
char *filename, *command;
puts("++++++++ test des fonctions +++++++");
global_fvalue = 1.0;
while ((opt = getopt(argc, argv, "hk:v")) != -1) {
switch(opt) {
case 'h': help(0); break;
case 'k': global_fvalue = atof(optarg); break;
case 'v': verbosity++; break;
}
}
// fprintf(stderr, "argc %d optind %d\n", argc, optind);
filename = NULL;
if (2 != argc-optind) {
fprintf(stderr, "%s: bad command line\n", argv[0]);
help(1);
}
command = argv[optind];
filename = argv[optind+1];
if (verbosity) {
fprintf(stderr, "running command '%s' on '%s'\n", command, filename);
}
opt = lookup_cmd(command);
// fprintf(stderr, "lookup '%s' --> %d\n", command, opt);
switch(opt) {
case Equalize:
foo = essai_equalize(filename); break;
case Sfx0:
foo = essai_sfx0(filename); break;
case F3x3:
foo = essai_filtrage_3x3(filename); break;
case MIRE:
foo = essai_mire(filename, 0);
break;
case Wfits:
foo = essai_ecriture_fits(filename);
break;
case Wpng:
foo = essai_ecriture_png(filename);
break;
case Wtiff:
foo = essai_ecriture_tiff(filename);
break;
default:
fprintf(stderr, "%s : bad command\n", command);
exit(1);
}
if (foo) {
fprintf(stderr, "Essai ====> %d\n", foo);
}
fprintf(stderr, "++++++++++++++ end of pid %d\n", getpid());
return 0;
}
/* --------------------------------------------------------------------- */