public static void AddPlanarConverter(PipelineContext ctx)
{
Debug.Assert(ctx.PlanarContext is not null);
if (ctx.Source.Format.Encoding == PixelValueEncoding.Linear || ctx.PlanarContext.SourceCb.Format.NumericRepresentation != ctx.Source.Format.NumericRepresentation)
{
if (ctx.Source.Format.NumericRepresentation == PixelNumericRepresentation.Float && ctx.PlanarContext.SourceCb.Format.NumericRepresentation == ctx.Source.Format.NumericRepresentation)
{
AddInternalFormatConverter(ctx, PixelValueEncoding.Companded);
}
else
{
AddPlanarExternalFormatConverter(ctx);
}
}
var matrix = YccMatrix.Rec601;
bool videoLevels = false;
if (ctx.ImageFrame is IYccImageFrame frame)
{
matrix = frame.RgbYccMatrix;
videoLevels = !frame.IsFullRange;
}
ctx.Source = ctx.AddDispose(new PlanarConversionTransform(ctx.Source, ctx.PlanarContext.SourceCb, ctx.PlanarContext.SourceCr, matrix, videoLevels));
ctx.PlanarContext = null;
}
public static void AddInternalFormatConverter(PipelineContext ctx, PixelValueEncoding enc = PixelValueEncoding.Unspecified, bool allow96bppFloat = false)
{
var ifmt = ctx.Source.Format;
var ofmt = ifmt;
bool linear = enc == PixelValueEncoding.Unspecified ? ctx.Settings.BlendingMode == GammaMode.Linear : enc == PixelValueEncoding.Linear;
if (allow96bppFloat && MagicImageProcessor.EnableSimd && ifmt == PixelFormat.Bgr24Bpp)
{
ofmt = linear ? PixelFormat.Bgr96BppLinearFloat : PixelFormat.Bgr96BppFloat;
}
else if (linear && (MagicImageProcessor.EnableSimd ? internalFormatMapLinearSimd : internalFormatMapLinear).TryGetValue(ifmt, out var ofmtl))
{
ofmt = ofmtl;
}
else if (MagicImageProcessor.EnableSimd && internalFormatMapSimd.TryGetValue(ifmt, out var ofmts))
{
ofmt = ofmts;
}
bool videoLevels = ifmt == PixelFormat.Y8Bpp && ctx.ImageFrame is IYccImageFrame frame && !frame.IsFullRange;
if (ofmt == ifmt && !videoLevels)
{
return;
}
bool forceSrgb = (ofmt == PixelFormat.Y32BppLinearFloat || ofmt == PixelFormat.Y16BppLinearUQ15) && ctx.SourceColorProfile != ColorProfile.sRGB;
ctx.Source = ctx.AddDispose(new ConversionTransform(ctx.Source, forceSrgb ? ColorProfile.sRGB : ctx.SourceColorProfile, forceSrgb ? ColorProfile.sRGB : ctx.DestColorProfile, ofmt, videoLevels));
}
public static void AddMatte(PipelineContext ctx)
{
var fmt = ctx.Source.Format;
if (ctx.Settings.MatteColor.IsEmpty || fmt.ColorRepresentation != PixelColorRepresentation.Bgr || fmt.AlphaRepresentation == PixelAlphaRepresentation.None)
{
return;
}
if (fmt.NumericRepresentation == PixelNumericRepresentation.Float && fmt.Encoding == PixelValueEncoding.Companded)
{
AddInternalFormatConverter(ctx, PixelValueEncoding.Linear);
}
ctx.Source = new MatteTransform(ctx.Source, ctx.Settings.MatteColor, !ctx.IsAnimatedGifPipeline);
if (!ctx.IsAnimatedGifPipeline && ctx.Source.Format.AlphaRepresentation != PixelAlphaRepresentation.None && !ctx.Settings.MatteColor.IsTransparent())
{
var oldFmt = ctx.Source.Format;
var newFmt = oldFmt == PixelFormat.Pbgra64BppLinearUQ15 ? PixelFormat.Bgr48BppLinearUQ15
: oldFmt == PixelFormat.Bgra32Bpp ? PixelFormat.Bgr24Bpp
: throw new NotSupportedException("Unsupported pixel format");
ctx.Source = ctx.AddDispose(new ConversionTransform(ctx.Source, null, null, newFmt));
}
}
public static void AddMatte(PipelineContext ctx)
{
var fmt = ctx.Source.Format;
if (ctx.Settings.MatteColor.IsEmpty || fmt.ColorRepresentation != PixelColorRepresentation.Bgr || fmt.AlphaRepresentation == PixelAlphaRepresentation.None)
{
return;
}
if (fmt.NumericRepresentation == PixelNumericRepresentation.Float && fmt.Encoding == PixelValueEncoding.Companded)
{
AddInternalFormatConverter(ctx, PixelValueEncoding.Linear);
}
ctx.Source = new MatteTransform(ctx.Source, ctx.Settings.MatteColor);
if (ctx.Source.Format.AlphaRepresentation != PixelAlphaRepresentation.None && ctx.Settings.MatteColor.A == byte.MaxValue)
{
var oldFmt = ctx.Source.Format;
var newFmt = oldFmt == PixelFormat.Pbgra64BppLinearUQ15 ? PixelFormat.Bgr48BppLinearUQ15
: oldFmt.FormatGuid == Consts.GUID_WICPixelFormat32bppBGRA ? PixelFormat.FromGuid(Consts.GUID_WICPixelFormat24bppBGR)
: throw new NotSupportedException("Unsupported pixel format");
ctx.Source = ctx.AddDispose(new ConversionTransform(ctx.Source, null, null, newFmt.FormatGuid));
}
}
public static void AddHighQualityScaler(PipelineContext ctx)
{
bool swap = ctx.Orientation.SwapsDimensions();
var tsize = ctx.Settings.InnerSize;
int width = swap ? tsize.Height : tsize.Width, height = swap ? tsize.Width : tsize.Height;
if (ctx.Source.Width == width && ctx.Source.Height == height)
{
return;
}
var interpolatorx = width == ctx.Source.Width ? InterpolationSettings.NearestNeighbor : ctx.Settings.Interpolation;
var interpolatory = height == ctx.Source.Height ? InterpolationSettings.NearestNeighbor : ctx.Settings.Interpolation;
if (interpolatorx.WeightingFunction.Support >= 0.1 || interpolatory.WeightingFunction.Support >= 0.1)
{
AddInternalFormatConverter(ctx, allow96bppFloat: true);
}
var fmt = ctx.Source.Format;
bool offsetX = false, offsetY = false;
if (ctx.ImageFrame is IYccImageFrame frame && ctx.PlanarContext is not null && fmt.Encoding == PixelValueEncoding.Unspecified)
{
offsetX = frame.ChromaPosition.HasFlag(ChromaPosition.CositedHorizontal) && ctx.PlanarContext.ChromaSubsampling.IsSubsampledX();
offsetY = frame.ChromaPosition.HasFlag(ChromaPosition.CositedVertical) && ctx.PlanarContext.ChromaSubsampling.IsSubsampledY();
}
if (fmt.NumericRepresentation == PixelNumericRepresentation.Float)
{
ctx.Source = ctx.AddDispose(ConvolutionTransform <float, float> .CreateResize(ctx.Source, width, height, interpolatorx, interpolatory, offsetX, offsetY));
}
else if (fmt.NumericRepresentation == PixelNumericRepresentation.Fixed)
{
ctx.Source = ctx.AddDispose(ConvolutionTransform <ushort, int> .CreateResize(ctx.Source, width, height, interpolatorx, interpolatory, offsetX, offsetY));
}
else
{
ctx.Source = ctx.AddDispose(ConvolutionTransform <byte, int> .CreateResize(ctx.Source, width, height, interpolatorx, interpolatory, offsetX, offsetY));
}
}
public static void AddHybridScaler(PipelineContext ctx, int ratio = default)
{
ratio = ratio == default ? ctx.Settings.HybridScaleRatio : ratio;
if (ratio == 1 || ctx.Settings.Interpolation.WeightingFunction.Support < 0.1 || ctx.Source.Format.BitsPerPixel / ctx.Source.Format.ChannelCount != 8)
{
return;
}
ctx.Source = ctx.AddDispose(new HybridScaleTransform(ctx.Source, ratio));
ctx.Settings.HybridMode = HybridScaleMode.Off;
}
public static void AddExternalFormatConverter(PipelineContext ctx)
{
var ifmt = ctx.Source.Format;
if (!externalFormatMap.TryGetValue(ifmt, out var ofmt) || ofmt == ifmt)
{
return;
}
bool forceSrgb = (ifmt == PixelFormat.Y32BppLinearFloat || ifmt == PixelFormat.Y16BppLinearUQ15) && ctx.SourceColorProfile != ColorProfile.sRGB;
ctx.Source = ctx.AddDispose(new ConversionTransform(ctx.Source, forceSrgb ? ColorProfile.sRGB : ctx.SourceColorProfile, forceSrgb ? ColorProfile.sRGB : ctx.DestColorProfile, ofmt));
}
public static void AddPad(PipelineContext ctx)
{
if (ctx.Settings.InnerSize == ctx.Settings.OuterSize)
{
return;
}
AddExternalFormatConverter(ctx);
var fmt = ctx.Source.Format;
if (fmt.AlphaRepresentation == PixelAlphaRepresentation.None && ctx.Settings.MatteColor.IsTransparent())
{
ctx.Source = ctx.AddDispose(new ConversionTransform(ctx.Source, null, null, PixelFormat.Bgra32Bpp));
}
else if (fmt.ColorRepresentation == PixelColorRepresentation.Grey && !ctx.Settings.MatteColor.IsGrey())
{
ctx.Source = ctx.AddDispose(new ConversionTransform(ctx.Source, null, null, PixelFormat.Bgr24Bpp));
}
ctx.Source = new PadTransformInternal(ctx.Source, ctx.Settings.MatteColor, PixelArea.FromGdiRect(ctx.Settings.InnerRect), PixelArea.FromGdiSize(ctx.Settings.OuterSize));
}
public static void AddUnsharpMask(PipelineContext 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)
{
ctx.Source = ctx.AddDispose(UnsharpMaskTransform <float, float> .CreateSharpen(ctx.Source, ss));
}
else if (fmt.NumericRepresentation == PixelNumericRepresentation.Fixed)
{
ctx.Source = ctx.AddDispose(UnsharpMaskTransform <ushort, int> .CreateSharpen(ctx.Source, ss));
}
else
{
ctx.Source = ctx.AddDispose(UnsharpMaskTransform <byte, int> .CreateSharpen(ctx.Source, ss));
}
}
void IPixelTransformInternal.Init(PipelineContext ctx)
{
MagicTransforms.AddExternalFormatConverter(ctx);
if (ctx.Source.Format.FormatGuid != outFormat)
ctx.Source = ctx.AddDispose(new ConversionTransform(ctx.Source, null, null, PixelFormat.FromGuid(outFormat))); }
