Bibliothèque de traitements d'images en virgule flottante. http://la.buvette.org/photos/cumul/
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/*
* FloatImg from tTh - 2021
*/
#include <stdio.h>
#include <string.h>
#include "../floatimg.h"
extern int verbosity; /* must be declared around main() */
/* --------------------------------------------------------------------- */
void fimg_print_minmax(float minmax[6], char *titre)
{
fprintf(stderr, "\t\tminmax %s\n", titre);
fprintf(stderr, "red\t\t%10f %10f\n", minmax[0], minmax[1]);
fprintf(stderr, "green\t\t%10f %10f\n", minmax[2], minmax[3]);
fprintf(stderr, "blue\t\t%10f %10f\n", minmax[4], minmax[5]);
}
/* --------------------------------------------------------------------- */
int parse_WxH(char *str, int *pw, int *ph)
{
// char *ptr;
int foo, w, h;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' %p %p )\n", __func__,
str, pw, ph);
#endif
foo = sscanf(str, "%dx%d", &w, &h);
if (2 != foo) {
fprintf(stderr, "%s : arg '%s' is invalid\n", __func__, str);
return foo;
}
*pw = w; *ph = h;
return 2;
}
/* --------------------------------------------------------------------- */
int parse_double(char *str, double *dptr)
{
double value;
int foo;
foo = sscanf(str, "%lf", &value);
if (1 == foo) {
*dptr = value;
return 1;
}
return -1;
}
/* --------------------------------------------------------------------- */
int format_from_extension(char *fname)
{
char *cptr;
cptr = rindex(fname, '.');
if (NULL==cptr) {
fprintf(stderr, "No dot in %s\n", fname);
return -1;
}
#if DEBUG_LEVEL
fprintf(stderr, "[%s] --> [%s]\n", fname, cptr);
#endif
if (!strcasecmp(cptr, ".pnm" )) return FILE_TYPE_PNM;
if (!strcasecmp(cptr, ".fimg")) return FILE_TYPE_FIMG;
if (!strcasecmp(cptr, ".tga" )) return FILE_TYPE_TGA;
if (!strcasecmp(cptr, ".png" )) return FILE_TYPE_PNG;
if (!strcasecmp(cptr, ".tiff")) return FILE_TYPE_TIFF;
if (!strcasecmp(cptr, ".tif" )) return FILE_TYPE_TIFF;
if (!strcasecmp(cptr, ".fits")) return FILE_TYPE_FITS;
if (!strcasecmp(cptr, ".exr")) return FILE_TYPE_EXR;
return -1;
}
/* --------------------------------------------------------------------- */