/// <inheritdoc/>
protected override void BeforeImageApply(Image <TPixel> source, Image <TPixel> destination, Rectangle sourceRectangle)
{
if (!(this.Sampler is NearestNeighborResampler))
{
// Since all image frame dimensions have to be the same we can calculate this for all frames.
MemoryAllocator memoryAllocator = source.GetMemoryAllocator();
this.horizontalKernelMap = ResizeKernelMap.Calculate(
this.Sampler,
this.TargetRectangle.Width,
sourceRectangle.Width,
memoryAllocator);
this.verticalKernelMap = ResizeKernelMap.Calculate(
this.Sampler,
this.TargetRectangle.Height,
sourceRectangle.Height,
memoryAllocator);
}
}
