Leptonica
1.54
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Функции | |
l_int32 | convertFilesTo1bpp (const char *dirin, const char *substr, l_int32 upscaling, l_int32 thresh, l_int32 firstpage, l_int32 npages, const char *dirout, l_int32 outformat) |
l_int32 convertFilesTo1bpp | ( | const char * | dirin, |
const char * | substr, | ||
l_int32 | upscaling, | ||
l_int32 | thresh, | ||
l_int32 | firstpage, | ||
l_int32 | npages, | ||
const char * | dirout, | ||
l_int32 | outformat | ||
) |
Input: dirin substr (<optional> substring filter on filenames; can be NULL) upscaling (1, 2 or 4; only for input color or grayscale) thresh (global threshold for binarization; use 0 for default) firstpage npages (use 0 to do all from to the end) dirout outformat (IFF_PNG, IFF_TIFF_G4) Return: 0 if OK, 1 on error
Notes: (1) Images are sorted lexicographically, and the names in the output directory are retained except for the extension.