imageMono

Monochrome color setting for rasterization.
[read-only property] imageMono([out, retval] int *color)
Specifies monochrome (1-bit) rasterization.

This property is only useful as an argument to convertPageToPicture2, convertRegionToPicture2, convertPageToBMP2, or convertRegionToBMP2.

convertPageToPicture2
convertRegionToPicture2
convertPageToBMP2
convertRegionToBMP2
imageGray
imageRGB