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"BlendedShapes" -> SolidFillBlendedShapesTests
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‎tests/ImageSharp.Tests/Drawing/BlendedShapes.cs‎

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‎tests/ImageSharp.Tests/Drawing/SolidFillBlendedShapesTests.cs‎

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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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// ReSharper disable InconsistentNaming
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namespace SixLabors.ImageSharp.Tests.Drawing
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{
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using SixLabors.ImageSharp.PixelFormats;
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using SixLabors.ImageSharp.Processing;
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using SixLabors.ImageSharp.Processing.Drawing;
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using SixLabors.Primitives;
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using Xunit;
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[GroupOutput("Drawing")]
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public class SolidFillBlendedShapesTests
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{
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public static IEnumerable<object[]> modes =
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((PixelBlenderMode[])Enum.GetValues(typeof(PixelBlenderMode))).Select(x => new object[] { x });
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[Theory]
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[WithBlankImages(nameof(modes), 250, 250, PixelTypes.Rgba32)]
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public void _1DarkBlueRect_2BlendHotPinkRect<TPixel>(
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TestImageProvider<TPixel> provider,
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PixelBlenderMode mode)
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where TPixel : struct, IPixel<TPixel>
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{
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using (Image<TPixel> img = provider.GetImage())
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{
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int scaleX = img.Width / 100;
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int scaleY = img.Height / 100;
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img.Mutate(
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x => x.Fill(
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NamedColors<TPixel>.DarkBlue,
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new Rectangle(0 * scaleX, 40 * scaleY, 100 * scaleX, 20 * scaleY)
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)
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.Fill(new GraphicsOptions(true) { BlenderMode = mode },
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NamedColors<TPixel>.HotPink,
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new Rectangle(20 * scaleX, 0 * scaleY, 30 * scaleX, 100 * scaleY))
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);
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VerifyImage(provider, mode, img);
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}
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}
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[Theory]
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[WithBlankImages(nameof(modes), 250, 250, PixelTypes.Rgba32)]
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public void _1DarkBlueRect_2BlendHotPinkRect_3BlendTransparentEllipse<TPixel>(
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TestImageProvider<TPixel> provider,
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PixelBlenderMode mode)
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where TPixel : struct, IPixel<TPixel>
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{
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using (Image<TPixel> img = provider.GetImage())
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{
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int scaleX = img.Width / 100;
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int scaleY = img.Height / 100;
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img.Mutate(
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x => x.Fill(
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NamedColors<TPixel>.DarkBlue,
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new Rectangle(0 * scaleX, 40 * scaleY, 100 * scaleX, 20 * scaleY)));
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img.Mutate(
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x => x.Fill(
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new GraphicsOptions(true) { BlenderMode = mode },
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NamedColors<TPixel>.HotPink,
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new Rectangle(20 * scaleX, 0 * scaleY, 30 * scaleX, 100 * scaleY)));
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img.Mutate(
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x => x.Fill(
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new GraphicsOptions(true) { BlenderMode = mode },
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NamedColors<TPixel>.Transparent,
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new Shapes.EllipsePolygon(40 * scaleX, 50 * scaleY, 50 * scaleX, 50 * scaleY))
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);
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VerifyImage(provider, mode, img);
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}
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}
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[Theory]
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[WithBlankImages(nameof(modes), 250, 250, PixelTypes.Rgba32)]
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public void _1DarkBlueRect_2BlendHotPinkRect_3BlendSemiTransparentRedEllipse<TPixel>(
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TestImageProvider<TPixel> provider,
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PixelBlenderMode mode)
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where TPixel : struct, IPixel<TPixel>
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{
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using (Image<TPixel> img = provider.GetImage())
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{
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int scaleX = (img.Width / 100);
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int scaleY = (img.Height / 100);
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img.Mutate(
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x => x.Fill(
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NamedColors<TPixel>.DarkBlue,
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new Rectangle(0 * scaleX, 40, 100 * scaleX, 20 * scaleY)));
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img.Mutate(
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x => x.Fill(
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new GraphicsOptions(true) { BlenderMode = mode },
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NamedColors<TPixel>.HotPink,
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new Rectangle(20 * scaleX, 0, 30 * scaleX, 100 * scaleY)));
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var c = NamedColors<TPixel>.Red.ToVector4();
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c.W *= 0.5f;
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var pixel = default(TPixel);
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pixel.PackFromVector4(c);
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img.Mutate(
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x => x.Fill(
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new GraphicsOptions(true) { BlenderMode = mode },
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pixel,
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new Shapes.EllipsePolygon(40 * scaleX, 50 * scaleY, 50 * scaleX, 50 * scaleY))
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);
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VerifyImage(provider, mode, img); ;
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}
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}
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[Theory]
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[WithBlankImages(nameof(modes), 250, 250, PixelTypes.Rgba32)]
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public void _1DarkBlueRect_2BlendBlackEllipse<TPixel>(TestImageProvider<TPixel> provider, PixelBlenderMode mode)
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where TPixel : struct, IPixel<TPixel>
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{
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using (Image<TPixel> img = provider.GetImage())
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{
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int scaleX = (img.Width / 100);
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int scaleY = (img.Height / 100);
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img.Mutate(
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x => x.Fill(
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NamedColors<TPixel>.DarkBlue,
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new Rectangle(0 * scaleX, 40 * scaleY, 100 * scaleX, 20 * scaleY)));
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img.Mutate(
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x => x.Fill(
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new GraphicsOptions(true) { BlenderMode = mode },
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NamedColors<TPixel>.Black,
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new Shapes.EllipsePolygon(40 * scaleX, 50 * scaleY, 50 * scaleX, 50 * scaleY)));
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VerifyImage(provider, mode, img);
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}
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}
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private static void VerifyImage<TPixel>(TestImageProvider<TPixel> provider, PixelBlenderMode mode, Image<TPixel> img)
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where TPixel : struct, IPixel<TPixel>
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{
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img.DebugSave(
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provider,
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new { mode },
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appendPixelTypeToFileName: false,
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appendSourceFileOrDescription: false);
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}
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}
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}

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