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
3.8 KiB

/*
* making a floatimg with some random datas
* an ugly software from tTh - february 2021
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include "../floatimg.h"
int verbosity;
/* --------------------------------------------------------------------- */
#define T_BLACK 1
#define T_DRAND48 2
#define T_GRAY 3
#define T_HDEG_A 4
#define T_VDEG_A 5
#define T_TPAT0 6
#define T_MIRCOL1 7
#define T_BLOUP 8
typedef struct {
int code;
char *name;
} Type;
Type types[] = {
{ T_BLACK, "black" },
{ T_DRAND48, "drand48" },
{ T_GRAY, "gray" },
{ T_GRAY, "grey" },
{ T_HDEG_A, "hdeg" },
{ T_VDEG_A, "vdeg" },
{ T_TPAT0, "tpat0" },
{ T_MIRCOL1, "mircol1" },
{ T_BLOUP, "bloup" },
{ 0, NULL }
};
static int get_type_by_name(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++) {
if (!strcmp(name, type->name)) {
return type->code;
}
}
return -1;
}
/* --------------------------------------------------------------------- */
static void help(int lj)
{
int foo, cc;
puts("Usage:\tmkfimg [options] quux.fimg width height");
puts("\t-k N.N\tgive a float parameter");
fputs("\t-t bla\thowto make the pic :\n\t\t| ", stdout);
for (foo=cc=0; types[foo].code; foo++) {
cc += printf("%s ", types[foo].name);
if (cc>42) { cc=0; printf("\n\t\t| "); }
}
puts("\n\t-v\tincrease verbosity");
if (verbosity) {
fimg_print_version(1);
printf("*** compiled %s, %s\n", __DATE__, __TIME__);
}
exit(0);
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo, opt, nbargs;
int width, height;
char *fname;
float fvalue = 1.0;
int type = T_BLACK;
char *tname = "wtf?";
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_by_name(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 (type < 0) {
fprintf(stderr, "type '%s' is unknow\n", tname);
exit(2);
}
nbargs = argc-optind;
switch (nbargs) {
case 2:
if (2!=parse_WxH(argv[optind+1], &width, &height)) {
fprintf(stderr, "%s: parse error on '%s'\n",
argv[0], argv[optind+1]);
exit(1);
}
break;
case 3:
width = atoi(argv[optind+1]);
height = atoi(argv[optind+2]);
break;
default:
fprintf(stderr, "%s need filename, width & height\n",
argv[0]);
exit(1);
}
fname = argv[optind];
if (verbosity>1) fprintf(stderr, "*** mkfimg *** %s %s\n",
__DATE__, __TIME__);
if (verbosity) fprintf(stderr, "making '%s' %dx%d, type %d\n",
fname, width, height, type);
srand48(getpid() ^ time(NULL));
foo = fimg_create(&fimg, width, height, 3);
if (foo) {
fprintf(stderr, "create floatimg -> %d\n", foo);
exit(3);
}
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;
case T_HDEG_A: fimg_hdeg_a(&fimg, 1.0); break;
case T_VDEG_A: fimg_vdeg_a(&fimg, 1.0); break;
case T_TPAT0: fimg_test_pattern(&fimg, 0, fvalue); break;
case T_MIRCOL1: fimg_mircol_1(&fimg, fvalue); break;
case T_BLOUP: fimg_draw_something(&fimg); break;
case -1: exit(1);
}
foo = fimg_dump_to_file(&fimg, fname, 0);
if (foo) {
fprintf(stderr, "dump fimg to %s -> %d\n", fname, foo);
exit(1);
}
fimg_destroy(&fimg);
return 0;
}
/* --------------------------------------------------------------------- */