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@ -12,74 +12,66 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Quantization; |
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[Trait("Category", "Processors")] |
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public class QuantizerTests |
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{ |
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/// <summary>
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/// Something is causing tests to fail on NETFX in CI.
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/// Could be a JIT error as everything runs well and is identical to .NET Core output.
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/// Not worth investigating for now.
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/// <see href="https://github.com/SixLabors/ImageSharp/pull/1114/checks?check_run_id=448891164#step:11:631"/>
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/// </summary>
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private static readonly bool SkipAllQuantizerTests = TestEnvironment.IsFramework; |
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public static readonly string[] CommonTestImages = |
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{ |
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TestImages.Png.CalliphoraPartial, |
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TestImages.Png.Bike |
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}; |
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private static readonly QuantizerOptions NoDitherOptions = new QuantizerOptions { Dither = null }; |
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private static readonly QuantizerOptions DiffuserDitherOptions = new QuantizerOptions { Dither = KnownDitherings.FloydSteinberg }; |
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private static readonly QuantizerOptions OrderedDitherOptions = new QuantizerOptions { Dither = KnownDitherings.Bayer8x8 }; |
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private static readonly QuantizerOptions NoDitherOptions = new() { Dither = null }; |
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private static readonly QuantizerOptions DiffuserDitherOptions = new() { Dither = KnownDitherings.FloydSteinberg }; |
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private static readonly QuantizerOptions OrderedDitherOptions = new() { Dither = KnownDitherings.Bayer8x8 }; |
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private static readonly QuantizerOptions Diffuser0_ScaleDitherOptions = new QuantizerOptions |
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private static readonly QuantizerOptions Diffuser0_ScaleDitherOptions = new() |
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{ |
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Dither = KnownDitherings.FloydSteinberg, |
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DitherScale = 0F |
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}; |
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private static readonly QuantizerOptions Diffuser0_25_ScaleDitherOptions = new QuantizerOptions |
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private static readonly QuantizerOptions Diffuser0_25_ScaleDitherOptions = new() |
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{ |
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Dither = KnownDitherings.FloydSteinberg, |
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DitherScale = .25F |
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}; |
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private static readonly QuantizerOptions Diffuser0_5_ScaleDitherOptions = new QuantizerOptions |
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private static readonly QuantizerOptions Diffuser0_5_ScaleDitherOptions = new() |
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{ |
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Dither = KnownDitherings.FloydSteinberg, |
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DitherScale = .5F |
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}; |
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private static readonly QuantizerOptions Diffuser0_75_ScaleDitherOptions = new QuantizerOptions |
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private static readonly QuantizerOptions Diffuser0_75_ScaleDitherOptions = new() |
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{ |
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Dither = KnownDitherings.FloydSteinberg, |
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DitherScale = .75F |
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}; |
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private static readonly QuantizerOptions Ordered0_ScaleDitherOptions = new QuantizerOptions |
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private static readonly QuantizerOptions Ordered0_ScaleDitherOptions = new() |
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{ |
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Dither = KnownDitherings.Bayer8x8, |
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DitherScale = 0F |
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}; |
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private static readonly QuantizerOptions Ordered0_25_ScaleDitherOptions = new QuantizerOptions |
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private static readonly QuantizerOptions Ordered0_25_ScaleDitherOptions = new() |
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{ |
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Dither = KnownDitherings.Bayer8x8, |
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DitherScale = .25F |
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}; |
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private static readonly QuantizerOptions Ordered0_5_ScaleDitherOptions = new QuantizerOptions |
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private static readonly QuantizerOptions Ordered0_5_ScaleDitherOptions = new() |
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{ |
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Dither = KnownDitherings.Bayer8x8, |
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DitherScale = .5F |
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}; |
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private static readonly QuantizerOptions Ordered0_75_ScaleDitherOptions = new QuantizerOptions |
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private static readonly QuantizerOptions Ordered0_75_ScaleDitherOptions = new() |
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{ |
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Dither = KnownDitherings.Bayer8x8, |
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DitherScale = .75F |
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}; |
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public static readonly TheoryData<IQuantizer> Quantizers |
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= new TheoryData<IQuantizer> |
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= new() |
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{ |
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// Known uses error diffusion by default.
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KnownQuantizers.Octree, |
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@ -97,7 +89,7 @@ public class QuantizerTests |
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}; |
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public static readonly TheoryData<IQuantizer> DitherScaleQuantizers |
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= new TheoryData<IQuantizer> |
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= new() |
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{ |
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new OctreeQuantizer(Diffuser0_ScaleDitherOptions), |
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new WebSafePaletteQuantizer(Diffuser0_ScaleDitherOptions), |
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@ -151,7 +143,7 @@ public class QuantizerTests |
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}; |
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public static readonly TheoryData<IDither> DefaultInstanceDitherers |
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= new TheoryData<IDither> |
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= new() |
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{ |
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default(ErrorDither), |
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default(OrderedDither) |
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@ -164,11 +156,6 @@ public class QuantizerTests |
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public void ApplyQuantizationInBox<TPixel>(TestImageProvider<TPixel> provider, IQuantizer quantizer) |
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where TPixel : unmanaged, IPixel<TPixel> |
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{ |
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if (SkipAllQuantizerTests) |
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{ |
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return; |
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} |
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string quantizerName = quantizer.GetType().Name; |
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string ditherName = quantizer.Options.Dither?.GetType()?.Name ?? "NoDither"; |
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string testOutputDetails = $"{quantizerName}_{ditherName}"; |
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@ -185,11 +172,6 @@ public class QuantizerTests |
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public void ApplyQuantization<TPixel>(TestImageProvider<TPixel> provider, IQuantizer quantizer) |
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where TPixel : unmanaged, IPixel<TPixel> |
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{ |
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if (SkipAllQuantizerTests) |
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{ |
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return; |
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} |
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string quantizerName = quantizer.GetType().Name; |
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string ditherName = quantizer.Options.Dither?.GetType()?.Name ?? "NoDither"; |
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string testOutputDetails = $"{quantizerName}_{ditherName}"; |
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@ -206,11 +188,6 @@ public class QuantizerTests |
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public void ApplyQuantizationWithDitheringScale<TPixel>(TestImageProvider<TPixel> provider, IQuantizer quantizer) |
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where TPixel : unmanaged, IPixel<TPixel> |
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{ |
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if (SkipAllQuantizerTests) |
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{ |
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return; |
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} |
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string quantizerName = quantizer.GetType().Name; |
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string ditherName = quantizer.Options.Dither.GetType().Name; |
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float ditherScale = quantizer.Options.DitherScale; |
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@ -229,8 +206,8 @@ public class QuantizerTests |
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{ |
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void Command() |
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{ |
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using var image = new Image<Rgba32>(10, 10); |
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var quantizer = new WebSafePaletteQuantizer(); |
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using Image<Rgba32> image = new(10, 10); |
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WebSafePaletteQuantizer quantizer = new(); |
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quantizer.Options.Dither = dither; |
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image.Mutate(x => x.Quantize(quantizer)); |
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} |
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James Jackson-South
2 years ago
