arsd-official ~master (2024-10-25T16:17:57Z)

alphaBlendRGBA

arsd pixmappaint

Blends source into target with respect to the opacity of the source image (as stored in the alpha channel).

This variant is $(slower than) alphaBlendRGB, but calculates the correct alpha-channel value of the target. See BlendAccuracy for further explanation.

  1. void alphaBlendRGBA(Pixel[] target, Pixel[] source)
  2. void alphaBlendRGBA(Pixel pxTarget, Pixel pxSource)
    @safe pure nothrow @nogc @safe
    void
    alphaBlendRGBA
    (
    ref Pixel pxTarget
    ,
    const Pixel pxSource
    )

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