public static ZsImage PyramidDownArgb(this ZsImage argbImage, Area2D filterArea, bool blur = true)
{
if (blur)
{
argbImage = argbImage.Filter(filterArea, GaussianFilter, 5, 5, 1.0 / 16.0);
}
argbImage = argbImage.ScaleDown2x();
return(argbImage);
}
public static ZsImage Filter(this ZsImage argbImage, double[] filter, byte filterWidth, byte filterHeight, double multiplicator = 1.0)
{
var area = Area2D.Create(0, 0, argbImage.Width, argbImage.Height);
return(argbImage.Filter(area, filter, filterWidth, filterHeight, multiplicator));
}