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Reference for unit 'GraphType' (#lcl)

TRawImage.ReadMask

Read the Mask value at the given position in the image data. Returns AMask=True if the pixel is transparent.

Declaration

Source position: graphtype.pp line 208

procedure TRawImage.ReadMask(

const APosition: TRawImagePosition;

out AMask: Boolean

);

The position in the Mask data typically differs from the position in the color data.