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ImageSetSoftMask Method

Set a Soft Mask.

Namespace:  pdftron.PDF
Assembly:  pdftron (in pdftron.dll) Version:
public void SetSoftMask(
	Image soft_mask


Type: pdftron.PDFImage
is a subsidiary Image object defining a soft-mask image (See section 7.5.4 'Soft-Mask Images' in PDF Reference Manual) to be used as a source of mask shape or mask opacity values in the transparent imaging model. The alpha source parameter in the graphics state determines whether the mask values are interpreted as shape or opacity.
See Also