ImageSetSoftMask Method

public void SetSoftMask(
	Image soft_mask
)

Public Sub SetSoftMask ( 
	soft_mask As Image
)

public:
virtual void SetSoftMask(
	[InAttribute] Image^ soft_mask
) sealed

function SetSoftMask(soft_mask);

Parameters

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.

Reference