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65 lines
3.2 KiB
65 lines
3.2 KiB
// Copyright (c) Six Labors.
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// Licensed under the Six Labors Split License.
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using SixLabors.ImageSharp.PixelFormats;
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using SixLabors.ImageSharp.Processing;
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using SixLabors.ImageSharp.Processing.Processors.Transforms;
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using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
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namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms;
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[Trait("Category", "Processors")]
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[GroupOutput("Transforms")]
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public class SkewTests
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{
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private const PixelTypes CommonPixelTypes = PixelTypes.Bgra32 | PixelTypes.Rgb24;
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public static readonly string[] ResamplerNames =
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[
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nameof(KnownResamplers.Bicubic),
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nameof(KnownResamplers.Box),
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nameof(KnownResamplers.CatmullRom),
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nameof(KnownResamplers.Hermite),
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nameof(KnownResamplers.Lanczos2),
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nameof(KnownResamplers.Lanczos3),
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nameof(KnownResamplers.Lanczos5),
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nameof(KnownResamplers.Lanczos8),
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nameof(KnownResamplers.MitchellNetravali),
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nameof(KnownResamplers.NearestNeighbor),
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nameof(KnownResamplers.Robidoux),
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nameof(KnownResamplers.RobidouxSharp),
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nameof(KnownResamplers.Spline),
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nameof(KnownResamplers.Triangle),
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nameof(KnownResamplers.Welch)
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];
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public static readonly TheoryData<float, float> SkewValues = new()
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{
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{ 20, 10 },
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{ -20, -10 }
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};
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private static readonly ImageComparer ValidatorComparer = ImageComparer.TolerantPercentage(0.01f);
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[Theory]
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[WithTestPatternImages(nameof(SkewValues), 100, 50, CommonPixelTypes)]
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public void Skew_IsNotBoundToSinglePixelType<TPixel>(TestImageProvider<TPixel> provider, float x, float y)
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where TPixel : unmanaged, IPixel<TPixel>
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{
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provider.RunValidatingProcessorTest(ctx => ctx.Skew(x, y), $"{x}_{y}", ValidatorComparer);
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}
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[Theory]
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[WithFile(TestImages.Png.Ducky, nameof(ResamplerNames), PixelTypes.Rgba32)]
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public void Skew_WorksWithAllResamplers<TPixel>(TestImageProvider<TPixel> provider, string resamplerName)
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where TPixel : unmanaged, IPixel<TPixel>
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{
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IResampler sampler = TestUtils.GetResampler(resamplerName);
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provider.RunValidatingProcessorTest(
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x => x.Skew(21, 32, sampler),
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resamplerName,
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comparer: ValidatorComparer,
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appendPixelTypeToFileName: false);
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}
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}
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