libtthimage/Tools/tga_plothisto.c
2024-11-15 17:47:09 +01:00

62 lines
1.2 KiB
C

/*
utilitaire pour plotter les histogrammes d'une image.
-----------------------------------------------------
*/
#include <stdio.h>
#include <stdlib.h>
#include "tga_outils.h"
void usage()
{
fprintf(stderr, "*** tga_plothisto v 0.1.3 [%s] %s\n",
TGA_OUTILS_VERSION, TGA_OUTILS_COPYLEFT);
fprintf(stderr, "\nusage: tga_plothisto image.tga histo.tga [texte]\n\n");
Image_print_version(0);
exit(5);
}
int main (int argc, char *argv[])
{
Image_Desc *src;
long hr[256], hg[256], hb[256];
int foo;
char *texte;
dump_command_line(argc, argv, 0);
if (argc < 3)
{
/*fprintf(stderr, "argc = %d\n", argc);*/
usage();
}
if ( (src=Image_TGA_alloc_load(argv[1])) == NULL )
{
fprintf(stderr, "tga_plothisto, chargement '%s' failed\n", argv[1]);
exit(5);
}
foo = Image_histo_RGB(src, hr, hb, hg);
if (foo)
{
fprintf(stderr, "tga_plothisto, calcul histogramme: %d %s\n",
foo, Image_err2str(foo));
exit(5);
}
if (argc == 3) texte = argv[1];
else texte = argv[3];
foo = Image_plot_histo(argv[2], hr, hg, hb, texte);
if (foo)
{
fprintf(stderr, "tga_plothisto, dessin de '%s': %d %s\n",
argv[2], foo, Image_err2str(foo));
exit(5);
}
return 0;
}