Bibliothèque de traitements d'images en virgule flottante.
http://la.buvette.org/photos/cumul/
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98 lines
2.0 KiB
98 lines
2.0 KiB
/* |
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* converting a floatimg to a PNG |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include "../floatimg.h" |
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int verbosity; |
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/* ----------------------------------------------------------------- */ |
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int convertir_fimg_en_PNG(char *srcname, char *dstname, int grisaille) |
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{ |
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int foo, infos[3]; |
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FloatImg fimg; |
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#if DEBUG_LEVEL |
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fprintf(stderr, ">>> %25s ( '%s' '%s' %d )\n", __func__, |
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srcname, dstname, notused); |
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#endif |
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foo = fimg_fileinfos(srcname, infos); |
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if (foo) { |
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if (verbosity) fprintf(stderr, "'%s' get dims -> %d\n", srcname, foo); |
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return foo; |
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} |
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if (verbosity) { |
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fprintf(stderr, "%s: image '%s' is %dx%d %s\n", |
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__func__, |
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srcname, infos[0], infos[1], |
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fimg_str_type(infos[2])); |
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} |
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foo = fimg_create_from_dump(srcname, &fimg); |
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if (foo) { |
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fprintf(stderr, "create fimg from '%s' -> %d\n", srcname, foo); |
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return -1; |
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} |
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if (grisaille) { |
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foo = fimg_desaturate(&fimg, &fimg, 0); |
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} |
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foo = fimg_save_as_png(&fimg, dstname, 0); |
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if (foo) { |
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fprintf(stderr, "%s: saving as png '%s' -> %d\n", __func__, |
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dstname, foo); |
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return -1; |
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} |
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fimg_destroy(&fimg); |
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return 0; |
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} |
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/* ----------------------------------------------------------------- */ |
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void help(int k) |
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{ |
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puts("usage:\n\tfimg2png [options] foo.fimg bar.png"); |
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puts("options:"); |
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puts("\t-g\tconvert to gray"); |
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puts("\t-v\tincrease verbosity"); |
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if (verbosity) fimg_print_version(1); |
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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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int to_gray = 0; |
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while ((opt = getopt(argc, argv, "ghv")) != -1) { |
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switch(opt) { |
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case 'g': to_gray = 1; break; |
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case 'v': verbosity++; break; |
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case 'h': help(1); exit(1); |
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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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foo = convertir_fimg_en_PNG(argv[optind], argv[optind+1], to_gray); |
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if (foo) { |
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fprintf(stderr, "%s : got a %d from convertor\n", argv[0], foo); |
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} |
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return 0; |
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} |
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/* ----------------------------------------------------------------- */ |
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