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.

128 lines
2.6 KiB

3 years ago
#include <stdio.h>
#include <string.h>
3 years ago
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
3 years ago
#include "../floatimg.h"
int verbosity;
3 years ago
/* --------------------------------------------------------------------- */
#define T_BLACK 1
#define T_DRAND48 2
#define T_GRAY 3
typedef struct {
int code;
char *name;
} Type;
Type types[] = {
{ T_BLACK, "black" },
{ T_DRAND48, "drand48" },
{ T_GRAY, "gray" },
{ T_GRAY, "grey" }
};
static int get_type(char *name)
{
Type *type;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' )\n", __func__, name);
#endif
// #define TEST(str) ( ! strcmp(name, str) )
for (type = types; type->code; type++) {
// printf("\t%-15s %d\n", type->name, type->code);
if (!strcmp(name, type->name)) {
return type->code;
}
}
return -1;
}
/* --------------------------------------------------------------------- */
static void help(int lj)
{
puts("Usage:\tmkfimg [options] quux.fimg width height");
puts("\t-k N.N\tgive a float parameter");
puts("\t-t bla\t\thowto make the pic");
puts("\t\t\tblack, drand48...");
puts("\t-v\tincrease verbosity");
if (verbosity) fimg_print_version(1);
3 years ago
exit(0);
}
/* --------------------------------------------------------------------- */
3 years ago
int main(int argc, char *argv[])
{
int foo, opt;
3 years ago
int width, height;
char *fname;
float fvalue = 0.01;
int type = T_BLACK;
char *tname = "wtf?";
3 years ago
FloatImg fimg;
while ((opt = getopt(argc, argv, "hk:t:v")) != -1) {
switch(opt) {
case 'h': help(0); break;
case 'k': fvalue = atof(optarg); break;
case 't': type = get_type(tname=optarg); break;
case 'v': verbosity++; break;
}
}
#if DEBUG_LEVEL
fprintf(stderr, "argc %d optind %d\n", argc, optind);
for (foo=0; foo<argc; foo++)
fprintf(stderr, "%3d %s\n", foo, argv[foo]);
#endif
if (3 != argc-optind) {
fprintf(stderr, "%s need filename, width & height\n", argv[0]);
3 years ago
exit(1);
}
if (type < 0) {
fprintf(stderr, "type '%s' is unknow\n", tname);
exit(2);
}
fname = argv[optind];
width = atoi(argv[optind+1]); height = atoi(argv[optind+2]);
if (verbosity) fprintf(stderr, "making '%s' %d x %d\n", fname, width, height);
3 years ago
srand48(getpid() ^ time(NULL));
3 years ago
foo = fimg_create(&fimg, width, height, 3);
if (foo) {
fprintf(stderr, "create floatimg -> %d\n", foo);
exit(3);
3 years ago
}
switch(type) {
default:
case T_BLACK: fimg_clear(&fimg); break;
case T_DRAND48: fimg_drand48(&fimg, fvalue); break;
case T_GRAY: fimg_rgb_constant(&fimg, fvalue, fvalue, fvalue);
break;
}
3 years ago
foo = fimg_dump_to_file(&fimg, fname, 0);
if (foo) {
fprintf(stderr, "dump fimg -> %d\n", foo);
3 years ago
exit(1);
}
return 0;
}
/* --------------------------------------------------------------------- */