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.
 
 
 
 

177 lines
3.6 KiB

/*
FIMGFX
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "../floatimg.h"
/* --------------------------------------------------------------------- */
int verbosity;
float global_fvalue;
typedef struct {
char *name;
int id;
int nbarg;
} Fx;
enum fxid { Fx_cos01, Fx_cos010, Fx_pow2, Fx_sqrt };
Fx fx_list[] = {
{ "cos01", Fx_cos01, 0 },
{ "cos010", Fx_cos010, 0 },
{ "pow2", Fx_pow2, 0 },
{ "sqrt", Fx_sqrt, 0 },
{ NULL, 0, 0 }
};
/* --------------------------------------------------------------------- */
int lookup_fx(char *txt)
{
Fx *fx;
int n;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' )\n", __func__, txt);
#endif
for (n=0, fx=fx_list; fx->name; fx++, n++) {
#if DEBUG_LEVEL
fprintf(stderr, "-> %3d %s\n", n, fx->name);
#endif
if (!strcmp(fx->name, txt)) {
return n;
}
}
return -1;
}
/* --------------------------------------------------------------------- */
static void help(int lvl)
{
Fx *fx;
puts("------ fimg special effects ------");
puts("usage:");
puts("\tfimgfix [options] <effect> source.fimg resultat.fimg");
puts("effects:");
printf("\t");
for (fx=fx_list; fx->name; fx++) {
printf("%s ", fx->name);
}
puts("");
exit(0);
}
/* --------------------------------------------------------------------- */
int do_an_effect(char *sf, int act, char *df)
{
FloatImg src, dest;
int foo;
double maxval;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' %d '%s' )\n", __func__,
sf, act, df);
#endif
foo = fimg_create_from_dump(sf, &src);
if (foo) {
fprintf(stderr, "err load '%s' : %d\n", sf, foo);
return foo;
}
maxval = (double)fimg_get_maxvalue(&src);
foo = fimg_clone(&src, &dest, 0);
if (foo) {
fprintf(stderr, "err clone %p : %d\n", &src, foo);
return foo;
}
switch (act) {
case Fx_cos01:
fimg_cos_01(&src, &dest, maxval); break;
case Fx_cos010:
fimg_cos_010(&src, &dest, maxval); break;
case Fx_pow2:
fimg_power_2(&src, &dest, maxval); break;
case Fx_sqrt:
fimg_square_root(&src, &dest, maxval); break;
default:
fprintf(stderr, "*** %s : %d is bad action\n", __func__, act);
break;
}
foo = fimg_dump_to_file(&dest, df, 0);
if (foo) {
fprintf(stderr, "dumping datas to file give us a %d\n", foo);
return foo;
}
return 0;
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo, opt, action;
int nba;
char *operator;
char *srcname = "";
char *dstname = "out.fimg";
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;
}
}
#if DEBUG_LEVEL
fprintf(stderr, "argc %d optind %d\n", argc, optind);
for (foo=0; foo<argc; foo++)
fprintf(stderr, "%3d %c %s\n", foo, foo==optind?'*':' ', argv[foo]);
#endif
if (3 > argc-optind) {
fprintf(stderr, "%s need some arguments...\n", argv[0]);
exit(1);
}
operator = argv[optind];
action = lookup_fx(operator);
if (action < 0) {
fprintf(stderr, "garbage found in opcode field : %s\n", operator);
exit(1);
}
if (verbosity) {
fprintf(stderr, " global fvalue %f\n", global_fvalue);
fprintf(stderr, " action %d\n", action);
fprintf(stderr, " verbosity %d\n", verbosity);
}
if ((nba=fx_list[action].nbarg)) {
fprintf(stderr, "action '%s' need %d arg\n", operator, nba);
}
srcname = argv[optind+1];
dstname = argv[optind+2];
if (verbosity) fprintf(stderr, "%s ==> %s\n", srcname, dstname);
foo = do_an_effect(srcname, action, dstname);
if (foo) {
fprintf(stderr, "do an effect -> %d\n", foo);
}
return 0;
}
/* --------------------------------------------------------------------- */