public WicUnsharpMask(WicTransform prev) : base(prev)
{
var ss = Context.Settings.UnsharpMask;
if (ss.Radius <= 0d || ss.Amount <= 0)
{
return;
}
var fmt = PixelFormat.Cache[Source.GetPixelFormat()];
mapx = KernelMap <int> .MakeBlurMap(Context.Width, ss.Radius, 1u, fmt.AlphaRepresentation != PixelAlphaRepresentation.None);
mapy = KernelMap <int> .MakeBlurMap(Context.Height, ss.Radius, 1u, fmt.AlphaRepresentation != PixelAlphaRepresentation.None);
Source = source = new WicUnsharpMask <byte, int>(Source, mapx, mapy, ss);
}
public WicHighQualityScaler(WicTransform prev) : base(prev)
{
uint width = (uint)Context.Settings.Width, height = (uint)Context.Settings.Height;
var interpolatorx = width == Context.Width ? InterpolationSettings.NearestNeighbor : Context.Settings.Interpolation;
var interpolatory = height == Context.Height ? InterpolationSettings.NearestNeighbor : Context.Settings.Interpolation;
var fmt = PixelFormat.Cache[Source.GetPixelFormat()];
if (fmt.NumericRepresentation == PixelNumericRepresentation.Float)
{
var mx = KernelMap <float> .MakeScaleMap(Context.Width, width, fmt.ColorChannelCount, fmt.AlphaRepresentation != PixelAlphaRepresentation.None, true, interpolatorx);
var my = KernelMap <float> .MakeScaleMap(Context.Height, height, fmt.ColorChannelCount, fmt.AlphaRepresentation != PixelAlphaRepresentation.None, true, interpolatory);
source = new WicConvolution <float, float>(Source, mx, my);
mapx = mx;
mapy = my;
}
else
{
var mx = KernelMap <int> .MakeScaleMap(Context.Width, width, 1, fmt.AlphaRepresentation == PixelAlphaRepresentation.Unassociated, false, interpolatorx);
var my = KernelMap <int> .MakeScaleMap(Context.Height, height, 1, fmt.AlphaRepresentation == PixelAlphaRepresentation.Unassociated, false, interpolatory);
if (fmt.NumericRepresentation == PixelNumericRepresentation.Fixed)
{
source = new WicConvolution <ushort, int>(Source, mx, my);
}
else
{
source = new WicConvolution <byte, int>(Source, mx, my);
}
mapx = mx;
mapy = my;
}
Source = source;
Source.GetSize(out Context.Width, out Context.Height);
}
