Bibliothèque de traitements d'images en virgule flottante. http://la.buvette.org/photos/cumul/
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "../floatimg.h"
int verbosity;
/* --------------------------------------------------------------------- */
#define OP_ADD 1
#define OP_MUL 2
typedef struct {
int code;
char *op;
} Opcode;
Opcode opcodes[] = {
{ OP_ADD, "add" },
{ OP_MUL, "mul" },
{ 0, NULL }
};
static void pr_opcodes(void)
{
Opcode *optr;
puts("operators:");
for (optr = opcodes; optr->code; optr++) {
printf("\t%-20s %d\n", optr->op, optr->code);
}
}
static int look_opcodes(char *txt)
{
Opcode *optr;
for (optr = opcodes; optr->code; optr++) {
if (!strcmp(txt, optr->op)) {
printf("found %s as %d\n", optr->op, optr->code);
return optr->code;
}
}
return -1;
}
/* --------------------------------------------------------------------- */
static void help(int lj)
{
puts("usage:\n\tfimgops [options] A.fimg B.fimg operator D.fimg");
pr_opcodes();
if (verbosity) fimg_print_version(1);
exit(0);
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo, opt;
float fvalue;
FloatImg fimg;
while ((opt = getopt(argc, argv, "hk:v")) != -1) {
switch(opt) {
case 'h': help(0); break;
case 'k': 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 %s\n", foo, argv[foo]);
#endif
if (4 != argc-optind) {
fprintf(stderr, "%s need some arguments...\n", argv[0]);
exit(1);
}
return 0;
}
/* --------------------------------------------------------------------- */