procedure Contract(Src, Dst: TCustomBitmap32; Kernel: TIntegerMap; CenterX, CenterY: Integer);


Contract performs rasterization using the TContracter sampler. The Kernel parameter specifies a weight matrix which is centered at the coordinated (X + CenterX, Y + CenterY) for each pixel coordinate (X, Y).

Output pixels are computed from the formula

where f corresponds to the source bitmap and b corresponds to the kernel (formally described as a structuring element).

See Also

TContracter, TCustomBitmap32, TIntegerMap