Bibliothèque de traitements d'images en virgule flottante. http://la.buvette.org/photos/cumul/
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/*
* This thing is just a mess !
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
#include "../floatimg.h"
int verbosity;
int g_width, g_height;
/* --------------------------------------------------------------------- */
int testfile(char *path)
{
int foo, numbers[3];
foo = fimg_fileinfos(path, numbers);
if (foo) {
fprintf(stderr, "fileinfo of '%s' -> err %d\n", path, foo);
return foo;
}
if (verbosity) {
fprintf(stderr, "%-20s %dx%d\n", path, numbers[0], numbers[1]);
}
if (FIMG_TYPE_RGB != numbers[2]) {
fprintf(stderr, "file %s, %d : bad type\n", path, numbers[2]);
return -7;
}
return 0;
}
/* --------------------------------------------------------------------- */
void help(int v)
{
puts("");
puts("$ cumulfimgs a.fimg b.fimg c-fimg ...");
puts("cumulator options :");
puts("\t-v\tincrease verbosity");
puts("\t-o\tname of output file");
puts("\t-g\tconvert to gray level");
puts("");
if (verbosity) { puts(""); fimg_print_version(1); }
exit(0);
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo, idx;
int opt;
int compte = 0;
int to_gray = 0;
char *output_file = "out.fimg";
FloatImg accu, temp;
int src_loaded = 0;
float vals[6];
g_width = g_height = 0;
while ((opt = getopt(argc, argv, "gho:v")) != -1) {
switch(opt) {
case 'g': to_gray = 1; break;
case 'h': help(0); break;
case 'o': output_file = optarg; break;
case 'v': verbosity++; break;
}
}
if (verbosity) fprintf(stderr, "------ cumulfimgs ------\n");
#if DEBUG_LEVEL
fprintf(stderr, "argc = %d, optind = %d\n", argc, optind);
#endif
for (idx=optind; idx<argc; idx++) {
#if DEBUG_LEVEL
fprintf(stderr, "%5d %s\n", idx, argv[idx]);
#endif
foo = testfile(argv[idx]);
if (foo) {
fprintf(stderr, "testfile %s -> %d\n", argv[idx],foo);
exit(1);
}
if ( ! src_loaded ) {
foo = fimg_create_from_dump(argv[idx], &accu);
fimg_clone(&accu, &temp, 0);
src_loaded = 1;
}
else {
foo = fimg_load_from_dump(argv[idx], &temp);
if (foo) {
fprintf(stderr, "load from dump -> %d\n", foo);
exit(1);
}
fimg_add_2(&temp, &accu);
}
compte++;
}
if (to_gray) {
foo = fimg_desaturate(&accu, &accu, 0);
if (foo) {
fprintf(stderr, "desaturate: error %d\n", foo);
}
}
foo = fimg_dump_to_file(&accu, output_file, 0);
if (foo) {
fprintf(stderr, "error %d while saving '%s'\n", foo, output_file);
exit(1);
}
if (verbosity) {
/* show some numbers about resultant picture */
foo = fimg_get_minmax_rgb(&accu, vals);
if (foo) {
fprintf(stderr, "err %d on fimg_get_minmax_rgb\n", foo);
return foo;
}
printf("Count %d\n", compte);
printf("Rmin %12.4g Rmax %12.4g delta %12g\n",
vals[0], vals[1], vals[1]-vals[0]);
printf("Gmin %12.4g Gmax %12.4g %12g\n",
vals[2], vals[3], vals[3]-vals[2]);
printf("Bmin %12.4g Bmax %12.4g %12g\n",
vals[4], vals[5], vals[5]-vals[4]);
}
return 0;
}
/* --------------------------------------------------------------------- */