96 lines
1.8 KiB
C
96 lines
1.8 KiB
C
/*
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* halfsizing an fimg picture.
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*/
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#include <stdio.h>
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#include <unistd.h> /* pour getopt */
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#include <stdlib.h>
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#include <string.h>
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#include "../floatimg.h"
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int verbosity;
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/* ------------------------------------------------------------- */
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int faire_un_halfsize(char *iname, char *oname, int to_gray)
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{
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FloatImg src, dst;
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int foo;
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foo = fimg_create_from_dump(iname, &src);
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if (foo) {
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fprintf(stderr, "create fimg from '%s' -> %d\n", iname, foo);
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return -1;
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}
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memset(&dst, 0, sizeof(FloatImg));
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foo = fimg_halfsize_1(&src, &dst, 0);
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if (foo) {
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fprintf(stderr, "halfize 1 fail -> %d\n", foo);
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return -1;
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}
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if (to_gray) {
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foo = fimg_to_gray(&dst);
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/* and ? */
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}
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foo = fimg_dump_to_file(&dst, oname, 0);
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if (foo) {
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fprintf(stderr, "save to '%s' -> %d\n", oname, foo);
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return -1;
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}
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return 0;
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}
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/* ------------------------------------------------------------- */
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void help(int u)
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{
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puts("Usage:\n\tfimghalfsize [options] in.fimg out.fimg");
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puts("Options:");
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puts("\t-g\tconvert output to gray");
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exit(0);
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}
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/* ------------------------------------------------------------- */
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int main(int argc, char *argv[])
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{
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int foo, opt;
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char *srcname = "";
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char *dstname = "out.fimg";
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int grayed = 0;
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while ((opt = getopt(argc, argv, "ghv")) != -1) {
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switch(opt) {
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case 'g': grayed = 1; break;
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case 'h': help(0); break;
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case 'v': verbosity++; break;
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}
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}
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if (2 != argc-optind) {
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fprintf(stderr, "error: %s need two filenames\n", argv[0]);
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exit(1);
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}
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srcname = argv[optind];
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dstname = argv[optind+1];
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if (verbosity) {
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fprintf(stderr, "%s: src: %s dst: %s\n", argv[0],
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srcname, dstname);
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}
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foo = faire_un_halfsize(srcname, dstname, grayed);
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if (foo) {
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fprintf(stderr, "in %s: make halfsize give a %d\n", argv[0], foo);
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exit(1);
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}
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return 0;
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}
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/* ------------------------------------------------------------- */
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