public static void AddNativeScaler(PipelineContext ctx)
{
int ratio = ctx.Settings.HybridScaleRatio;
if (ratio == 1 || ctx.ImageFrame is not WicImageFrame wicFrame || !wicFrame.SupportsNativeScale || ctx.Source is not WicPixelSource wsrc)
{
return;
}
using var transform = default(ComPtr <IWICBitmapSourceTransform>);
if (FAILED(wsrc.WicSource->QueryInterface(__uuidof <IWICBitmapSourceTransform>(), (void **)transform.GetAddressOf())))
{
return;
}
uint ow = (uint)ctx.Source.Width, oh = (uint)ctx.Source.Height;
uint cw = (uint)MathUtil.DivCeiling((int)ow, ratio), ch = (uint)MathUtil.DivCeiling((int)oh, ratio);
HRESULT.Check(transform.Get()->GetClosestSize(&cw, &ch));
if (cw == ow && ch == oh)
{
return;
}
var orient = ctx.Orientation;
using var scaler = default(ComPtr <IWICBitmapScaler>);
HRESULT.Check(Wic.Factory->CreateBitmapScaler(scaler.GetAddressOf()));
HRESULT.Check(scaler.Get()->Initialize(ctx.Source.AsIWICBitmapSource(ctx), cw, ch, WICBitmapInterpolationMode.WICBitmapInterpolationModeFant));
ctx.Source = ctx.AddDispose(new ComPtr <IWICBitmapSource>((IWICBitmapSource *)scaler.Get()).AsPixelSource(ctx, nameof(IWICBitmapSourceTransform)));
ctx.Settings.Crop = PixelArea.FromGdiRect(ctx.Settings.Crop).DeOrient(orient, (int)ow, (int)oh).ProportionalScale((int)ow, (int)oh, (int)cw, (int)ch).ReOrient(orient, (int)cw, (int)ch).ToGdiRect();
ctx.Settings.HybridMode = HybridScaleMode.Off;
}
public static void AddPlanarCache(PipelineContext ctx)
{
using var transform = default(ComPtr <IWICPlanarBitmapSourceTransform>);
if (ctx.Source is not WicPixelSource wsrc || FAILED(wsrc.WicSource->QueryInterface(__uuidof <IWICPlanarBitmapSourceTransform>(), (void **)transform.GetAddressOf())))
{
throw new NotSupportedException("Transform chain doesn't support planar mode. Only JPEG Decoder, Rotator, Scaler, and PixelFormatConverter are allowed");
}
int ratio = ctx.Settings.HybridScaleRatio.Clamp(1, 8);
uint ow = (uint)ctx.Source.Width, oh = (uint)ctx.Source.Height;
uint cw = (uint)MathUtil.DivCeiling((int)ow, ratio), ch = (uint)MathUtil.DivCeiling((int)oh, ratio);
var desc = stackalloc WICBitmapPlaneDescription[PlanarPixelFormats.Length];
fixed(Guid *pfmt = PlanarPixelFormats)
{
int bval;
HRESULT.Check(transform.Get()->DoesSupportTransform(&cw, &ch, WICBitmapTransformOptions.WICBitmapTransformRotate0, WICPlanarOptions.WICPlanarOptionsDefault, pfmt, desc, (uint)PlanarPixelFormats.Length, &bval));
if (bval == 0)
{
throw new NotSupportedException("Requested planar transform not supported");
}
}
var crop = PixelArea.FromGdiRect(ctx.Settings.Crop).DeOrient(ctx.Orientation, (int)ow, (int)oh).ProportionalScale((int)ow, (int)oh, (int)cw, (int)ch);
var cache = ctx.AddDispose(new WicPlanarCache(transform.Detach(), new Span <WICBitmapPlaneDescription>(desc, PlanarPixelFormats.Length), WICBitmapTransformOptions.WICBitmapTransformRotate0, cw, ch, crop));
ctx.PlanarContext = new PipelineContext.PlanarPipelineContext(cache.SourceY, cache.SourceCb, cache.SourceCr);
ctx.Source = ctx.PlanarContext.SourceY;
ctx.Settings.Crop = ctx.Source.Area.ReOrient(ctx.Orientation, ctx.Source.Width, ctx.Source.Height).ToGdiRect();
ctx.Settings.HybridMode = HybridScaleMode.Off;
}
public static void AddPlanarCache(PipelineContext ctx)
{
if (!(ctx.Source.WicSource is IWICPlanarBitmapSourceTransform trans))
{
throw new NotSupportedException("Transform chain doesn't support planar mode. Only JPEG Decoder, Rotator, Scaler, and PixelFormatConverter are allowed");
}
int ratio = ctx.Settings.HybridScaleRatio.Clamp(1, 8);
uint ow = (uint)ctx.Source.Width, oh = (uint)ctx.Source.Height;
uint cw = (uint)MathUtil.DivCeiling((int)ow, ratio), ch = (uint)MathUtil.DivCeiling((int)oh, ratio);
var desc = ArrayPool <WICBitmapPlaneDescription> .Shared.Rent(PlanarPixelFormats.Length);
if (!trans.DoesSupportTransform(ref cw, ref ch, WICBitmapTransformOptions.WICBitmapTransformRotate0, WICPlanarOptions.WICPlanarOptionsDefault, PlanarPixelFormats, desc, (uint)PlanarPixelFormats.Length))
{
throw new NotSupportedException("Requested planar transform not supported");
}
var crop = PixelArea.FromGdiRect(ctx.Settings.Crop).DeOrient(ctx.Orientation, (int)ow, (int)oh).ProportionalScale((int)ow, (int)oh, (int)cw, (int)ch);
var cache = ctx.AddDispose(new WicPlanarCache(trans, desc, WICBitmapTransformOptions.WICBitmapTransformRotate0, cw, ch, crop));
ArrayPool <WICBitmapPlaneDescription> .Shared.Return(desc);
ctx.PlanarContext = new PipelineContext.PlanarPipelineContext(cache.SourceY, cache.SourceCb, cache.SourceCr);
ctx.Source = ctx.PlanarContext.SourceY;
ctx.Settings.Crop = ctx.Source.Area.ReOrient(ctx.Orientation, ctx.Source.Width, ctx.Source.Height).ToGdiRect();
ctx.Settings.HybridMode = HybridScaleMode.Off;
}
public static void AddNativeScaler(PipelineContext ctx)
{
int ratio = ctx.Settings.HybridScaleRatio;
if (ratio == 1 || !(ctx.ImageFrame is WicImageFrame wicFrame) || !wicFrame.SupportsNativeScale || !(ctx.Source.WicSource is IWICBitmapSourceTransform trans))
{
return;
}
uint ow = (uint)ctx.Source.Width, oh = (uint)ctx.Source.Height;
uint cw = (uint)MathUtil.DivCeiling((int)ow, ratio), ch = (uint)MathUtil.DivCeiling((int)oh, ratio);
trans.GetClosestSize(ref cw, ref ch);
if (cw == ow && ch == oh)
{
return;
}
var orient = ctx.Orientation;
var scaler = ctx.WicContext.AddRef(Wic.Factory.CreateBitmapScaler());
scaler.Initialize(ctx.Source.WicSource, cw, ch, WICBitmapInterpolationMode.WICBitmapInterpolationModeFant);
ctx.Source = scaler.AsPixelSource(nameof(IWICBitmapSourceTransform));
ctx.Settings.Crop = PixelArea.FromGdiRect(ctx.Settings.Crop).DeOrient(orient, (int)ow, (int)oh).ProportionalScale((int)ow, (int)oh, (int)cw, (int)ch).ReOrient(orient, (int)cw, (int)ch).ToGdiRect();
ctx.Settings.HybridMode = HybridScaleMode.Off;
}
public static void AddCropper(PipelineContext ctx)
{
var crop = PixelArea.FromGdiRect(ctx.Settings.Crop);
if (crop == ctx.Source.Area)
{
return;
}
var cropper = ctx.WicContext.AddRef(Wic.Factory.CreateBitmapClipper());
cropper.Initialize(ctx.Source.WicSource, crop.ToWicRect());
ctx.Source = cropper.AsPixelSource(nameof(IWICBitmapClipper));
ctx.Settings.Crop = ctx.Source.Area.ToGdiRect();
}
public static void AddCropper(PipelineContext ctx)
{
var crop = PixelArea.FromGdiRect(ctx.Settings.Crop);
if (crop == ctx.Source.Area)
{
return;
}
var rect = crop.ToWicRect();
using var cropper = default(ComPtr <IWICBitmapClipper>);
HRESULT.Check(Wic.Factory->CreateBitmapClipper(cropper.GetAddressOf()));
HRESULT.Check(cropper.Get()->Initialize(ctx.Source.AsIWICBitmapSource(ctx), &rect));
ctx.Source = ctx.AddDispose(new ComPtr <IWICBitmapSource>((IWICBitmapSource *)cropper.Get()).AsPixelSource(ctx, nameof(IWICBitmapClipper)));
ctx.Settings.Crop = ctx.Source.Area.ToGdiRect();
}
private static void buildPipeline(PipelineContext ctx, bool outputPlanar = true)
{
ctx.ImageFrame = ctx.ImageContainer.GetFrame(ctx.Settings.FrameIndex);
bool processPlanar = false;
var wicFrame = ctx.ImageFrame as WicImageFrame;
if (wicFrame != null)
{
processPlanar = EnablePlanarPipeline && wicFrame.SupportsPlanarProcessing && ctx.Settings.Interpolation.WeightingFunction.Support >= 0.5;
bool profilingPassThrough = processPlanar || (wicFrame.SupportsNativeScale && ctx.Settings.HybridScaleRatio > 1);
ctx.Source = wicFrame.WicSource.AsPixelSource(nameof(IWICBitmapFrameDecode), !profilingPassThrough);
}
else if (ctx.ImageFrame is IYccImageFrame planarFrame)
{
processPlanar = true;
outputPlanar = outputPlanar && planarFrame.IsFullRange && planarFrame.RgbYccMatrix.IsRouglyEqualTo(YccMatrix.Rec601);
ctx.PlanarContext = new PipelineContext.PlanarPipelineContext(planarFrame.PixelSource.AsPixelSource(), planarFrame.PixelSourceCb.AsPixelSource(), planarFrame.PixelSourceCr.AsPixelSource());
ctx.Source = ctx.PlanarContext.SourceY;
}
MagicTransforms.AddColorProfileReader(ctx);
ctx.FinalizeSettings();
ctx.Settings.UnsharpMask = ctx.UsedSettings.UnsharpMask;
ctx.Settings.JpegQuality = ctx.UsedSettings.JpegQuality;
ctx.Settings.JpegSubsampleMode = ctx.UsedSettings.JpegSubsampleMode;
var subsample = ctx.Settings.JpegSubsampleMode;
if (processPlanar)
{
if (wicFrame != null && !ctx.Settings.AutoCrop && ctx.Settings.HybridScaleRatio == 1)
{
var orCrop = PixelArea.FromGdiRect(ctx.Settings.Crop).DeOrient(ctx.Orientation, ctx.Source.Width, ctx.Source.Height);
if (wicFrame.ChromaSubsampling.IsSubsampledX() && ((orCrop.X & 1) != 0 || (orCrop.Width & 1) != 0))
{
processPlanar = false;
}
if (wicFrame.ChromaSubsampling.IsSubsampledY() && ((orCrop.Y & 1) != 0 || (orCrop.Height & 1) != 0))
{
processPlanar = false;
}
}
if (ctx.Settings.SaveFormat == FileFormat.Jpeg && ctx.Orientation.SwapsDimensions())
{
if (subsample.IsSubsampledX() && (ctx.Settings.InnerSize.Width & 1) != 0)
{
outputPlanar = false;
}
if (subsample.IsSubsampledY() && (ctx.Settings.InnerSize.Height & 1) != 0)
{
outputPlanar = false;
}
}
}
if (processPlanar)
{
bool savePlanar = outputPlanar &&
ctx.Settings.SaveFormat == FileFormat.Jpeg &&
ctx.Settings.OuterSize == ctx.Settings.InnerSize &&
ctx.DestColorProfile == ctx.SourceColorProfile;
if (wicFrame != null)
{
WicTransforms.AddPlanarCache(ctx);
}
MagicTransforms.AddPlanarCropper(ctx);
MagicTransforms.AddPlanarHybridScaler(ctx);
MagicTransforms.AddPlanarHighQualityScaler(ctx, savePlanar ? subsample : ChromaSubsampleMode.Subsample444);
MagicTransforms.AddUnsharpMask(ctx);
if (savePlanar)
{
MagicTransforms.AddPlanarExifFlipRotator(ctx);
MagicTransforms.AddPlanarExternalFormatConverter(ctx);
}
else
{
MagicTransforms.AddPlanarConverter(ctx);
MagicTransforms.AddColorspaceConverter(ctx);
MagicTransforms.AddExifFlipRotator(ctx);
MagicTransforms.AddPad(ctx);
}
}
else
{
WicTransforms.AddNativeScaler(ctx);
MagicTransforms.AddCropper(ctx);
MagicTransforms.AddHybridScaler(ctx);
WicTransforms.AddPixelFormatConverter(ctx);
MagicTransforms.AddHybridScaler(ctx);
MagicTransforms.AddHighQualityScaler(ctx);
MagicTransforms.AddColorspaceConverter(ctx);
MagicTransforms.AddMatte(ctx);
MagicTransforms.AddUnsharpMask(ctx);
MagicTransforms.AddExifFlipRotator(ctx);
MagicTransforms.AddPad(ctx);
}
}