THotPDF.AddImageWithMask Method

方法摘要: THotPDF.AddImageWithMask Method

声明

function AddImageWithMask(Image: TGraphic; MaskIndex: Integer; Compression: THPDFImageCompressionType = icJpeg): Integer;

HPDFDoc

名称	用途
`Image`	Graphic object used as the visible image source
`MaskIndex`	Image index of the mask resource
`Compression`	Compression used for the visible image

Image resource index for the masked image

Create the mask first with THotPDF.AddImageAsMask
Keep the mask and visible image dimensions compatible for predictable transparency