Name
image:SetMaskImage -- set mask image
Synopsis
status = image:SetMaskImage(maskimage)
Function
image:SetMaskImage() sets the mask image. maskimage must be a 1-bit gray-scale image.

Inputs
maskimage
handle of an image object which is used as the image mask
Results
status
status code
Errors
#HPDF_INVALID_IMAGE - An invalid image handle was set.

#HPDF_INVALID_BIT_PER_COMPONENT - An invalid bit-per-component.

#HPDF_FAILED_TO_ALLOC_MEM - Memory allocation failed.

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