Changes a gray BYTE data (0,255) into a binary data (0,1), done in-place. * Color space is not changed. Data type must be IM_BYTE. * * \verbatim image:MakeBinary() [in Lua 5] \endverbatim * \ingroup imgclass
See Implementation
Changes a gray BYTE data (0,255) into a binary data (0,1), done in-place. * Color space is not changed. Data type must be IM_BYTE. * * \verbatim image:MakeBinary() [in Lua 5] \endverbatim * \ingroup imgclass