public static void AddUnsharpMask(WicProcessingContext ctx)
{
var ss = ctx.Settings.UnsharpMask;
if (!ctx.Settings.Sharpen || ss.Radius <= 0d || ss.Amount <= 0)
{
return;
}
var fmt = ctx.Source.Format;
if (fmt.NumericRepresentation == PixelNumericRepresentation.Float)
{
var mapx = ctx.AddDispose(KernelMap <float> .MakeBlurMap(ctx.Source.Width, ss.Radius, 1, false, true));
var mapy = ctx.AddDispose(KernelMap <float> .MakeBlurMap(ctx.Source.Height, ss.Radius, 1, false, true));
ctx.Source = ctx.AddDispose(new UnsharpMaskTransform <float, float>(ctx.Source, mapx, mapy, ss));
}
else
{
var mapx = ctx.AddDispose(KernelMap <int> .MakeBlurMap(ctx.Source.Width, ss.Radius, 1, false, false));
var mapy = ctx.AddDispose(KernelMap <int> .MakeBlurMap(ctx.Source.Height, ss.Radius, 1, false, false));
if (fmt.NumericRepresentation == PixelNumericRepresentation.Fixed)
{
ctx.Source = ctx.AddDispose(new UnsharpMaskTransform <ushort, int>(ctx.Source, mapx, mapy, ss));
}
else
{
ctx.Source = ctx.AddDispose(new UnsharpMaskTransform <byte, int>(ctx.Source, mapx, mapy, ss));
}
}
}
public WicUnsharpMask(WicTransform prev) : base(prev)
{
var ss = Context.Settings.UnsharpMask;
if (ss.Radius <= 0 || ss.Amount <= 0)
{
return;
}
var mapx = KernelMap.MakeBlurMap(Context.Width, ss.Radius);
var mapy = KernelMap.MakeBlurMap(Context.Height, ss.Radius);
Source = new WicUnsharpMask8bpc(Source, mapx, mapy, ss);
}
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);
}