public void PostProcess <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
string imageFile = provider.SourceFileOrDescription;
using (JpegDecoderCore decoder = JpegFixture.ParseJpegStream(imageFile))
using (var pp = new JpegImagePostProcessor(Configuration.Default, decoder))
using (var image = new Image <Rgba32>(decoder.ImageWidth, decoder.ImageHeight))
{
pp.PostProcess(image.Frames.RootFrame);
image.DebugSave(provider);
ImagingTestCaseUtility testUtil = provider.Utility;
testUtil.TestGroupName = nameof(JpegDecoderTests);
testUtil.TestName = JpegDecoderTests.DecodeBaselineJpegOutputName;
using (Image <TPixel> referenceImage =
provider.GetReferenceOutputImage <TPixel>(appendPixelTypeToFileName: false))
{
ImageSimilarityReport report = ImageComparer.Exact.CompareImagesOrFrames(referenceImage, image);
this.Output.WriteLine($"*** {imageFile} ***");
this.Output.WriteLine($"Difference: {report.DifferencePercentageString}");
// ReSharper disable once PossibleInvalidOperationException
Assert.True(report.TotalNormalizedDifference.Value < 0.005f);
}
}
}
public Bitmap Load()
{
if (this.ImageWidth == 0 || this.ImageHeight == 0)
{
JpegThrowHelper.ThrowInvalidImageDimensions(this.ImageWidth, this.ImageHeight);
}
var buffer = new Buffer2D <Vector4>(MemoryGroup <Vector4> .Allocate(this.ImageWidth * this.ImageHeight, this.ImageWidth), this.ImageWidth, this.ImageHeight);
using (var postProcessor = new JpegImagePostProcessor(this.RawData))
{
postProcessor.PostProcess(buffer, new System.Threading.CancellationToken());
}
var bitmap = new Bitmap(this.ImageWidth, this.ImageHeight);
for (int y = 0; y < bitmap.Height; y++)
{
for (int x = 0; x < bitmap.Width; x++)
{
ref var p = ref buffer[x, y];
bitmap.PixelBufferView[x, y] = new Pixel()
{
A = p.W,
B = p.Z,
G = p.Y,
R = p.X
};
}
}
private Image <TPixel> PostProcessIntoImage <TPixel>()
where TPixel : struct, IPixel <TPixel>
{
using (var postProcessor = new JpegImagePostProcessor(this))
{
var image = new Image <TPixel>(this.configuration, this.ImageWidth, this.ImageHeight, this.MetaData);
postProcessor.PostProcess(image.Frames.RootFrame);
return(image);
}
}
public void DoProcessorStep <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
string imageFile = provider.SourceFileOrDescription;
using (JpegDecoderCore decoder = JpegFixture.ParseJpegStream(imageFile))
using (var pp = new JpegImagePostProcessor(Configuration.Default, decoder))
using (var imageFrame = new ImageFrame <Rgba32>(Configuration.Default, decoder.ImageWidth, decoder.ImageHeight))
{
pp.DoPostProcessorStep(imageFrame);
JpegComponentPostProcessor[] cp = pp.ComponentProcessors;
SaveBuffer(cp[0], provider);
SaveBuffer(cp[1], provider);
SaveBuffer(cp[2], provider);
}
}
