  /* Support LogLuv high dynamic range encoding */ #define LOGLUV_SUPPORT 0  /* Support LZW algorithm */ #define LZW_SUPPORT 0  /* Support NeXT 0-bit RLE algorithm */ #define NEXT_SUPPORT 0  /* Support Old JPEG compresson (read contrib/ojpeg/README first! Compilation    fails with unpatched IJG JPEG library) */ 