Method FillOpacityMask

Namespace

PaintDotNet.Direct2D1

Assembly

PaintDotNet.Windows.dll

FillOpacityMask(IDeviceBitmap, IDeviceBrush, in RectFloat?, in RectFloat?)

Fill using the alpha channel of the supplied opacity mask bitmap. The brush opacity will be modulated by the mask.
NOTE: The antialiasing mode must be set to Aliased.

void FillOpacityMask(IDeviceBitmap opacityMask, IDeviceBrush brush, in RectFloat? dstRect = null, in RectFloat? srcRect = null)

Parameters

opacityMask IDeviceBitmap

The bitmap that acts as the opacity mask

brush IDeviceBrush

The brush to use for filling the primitive.

dstRect RectFloat?

The destination rectangle to output to in the render target

srcRect RectFloat?

The source rectangle from the opacity mask bitmap.