ID2D1CommandSink.FillOpacityMask

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.

interface ID2D1CommandSink

extern (Windows)

HRESULT

FillOpacityMask

(

ID2D1Bitmap opacityMask

,

ID2D1Brush brush

,

const D2D1_RECT_F* destinationRectangle

,

const D2D1_RECT_F* sourceRectangle

)

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