Max Katz
5 years ago
committed by
GitHub
GitHub
26 changed files with 452 additions and 50 deletions
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#nullable enable |
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namespace Avalonia.Media |
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{ |
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/// <summary>
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/// Draws an image within a region defined by a <see cref="Rect"/>.
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/// </summary>
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public class ImageDrawing : Drawing |
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{ |
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/// <summary>
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/// Defines the <see cref="ImageSource"/> property.
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/// </summary>
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public static readonly StyledProperty<IImage?> ImageSourceProperty = |
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AvaloniaProperty.Register<ImageDrawing, IImage?>(nameof(ImageSource)); |
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/// <summary>
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/// Defines the <see cref="Rect"/> property.
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/// </summary>
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public static readonly StyledProperty<Rect> RectProperty = |
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AvaloniaProperty.Register<ImageDrawing, Rect>(nameof(Rect)); |
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/// <summary>
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/// Gets or sets the source of the image.
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/// </summary>
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public IImage? ImageSource |
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{ |
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get => GetValue(ImageSourceProperty); |
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set => SetValue(ImageSourceProperty, value); |
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} |
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/// <summary>
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/// Gets or sets region in which the image is drawn.
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/// </summary>
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public Rect Rect |
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{ |
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get => GetValue(RectProperty); |
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set => SetValue(RectProperty, value); |
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} |
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public override void Draw(DrawingContext context) |
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{ |
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var imageSource = ImageSource; |
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var rect = Rect; |
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if (imageSource is object && !rect.IsEmpty) |
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{ |
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context.DrawImage(imageSource, rect); |
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} |
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} |
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public override Rect GetBounds() => Rect; |
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} |
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} |
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using Avalonia.Media; |
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using Avalonia.Platform; |
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using Avalonia.Rendering.SceneGraph; |
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using Avalonia.Utilities; |
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using Avalonia.Visuals.Media.Imaging; |
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namespace Avalonia.Benchmarks |
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{ |
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internal class NullDrawingContextImpl : IDrawingContextImpl |
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{ |
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public void Dispose() |
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{ |
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} |
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public Matrix Transform { get; set; } |
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public void Clear(Color color) |
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{ |
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} |
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public void DrawBitmap(IRef<IBitmapImpl> source, double opacity, Rect sourceRect, Rect destRect, |
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BitmapInterpolationMode bitmapInterpolationMode = BitmapInterpolationMode.Default) |
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{ |
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} |
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public void DrawBitmap(IRef<IBitmapImpl> source, IBrush opacityMask, Rect opacityMaskRect, Rect destRect) |
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{ |
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} |
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public void DrawLine(IPen pen, Point p1, Point p2) |
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{ |
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} |
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public void DrawGeometry(IBrush brush, IPen pen, IGeometryImpl geometry) |
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{ |
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} |
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public void DrawRectangle(IBrush brush, IPen pen, RoundedRect rect, BoxShadows boxShadows = default) |
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{ |
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} |
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public void DrawText(IBrush foreground, Point origin, IFormattedTextImpl text) |
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{ |
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} |
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public void DrawGlyphRun(IBrush foreground, GlyphRun glyphRun) |
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{ |
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} |
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public IDrawingContextLayerImpl CreateLayer(Size size) |
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{ |
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return null; |
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} |
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public void PushClip(Rect clip) |
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{ |
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} |
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public void PushClip(RoundedRect clip) |
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{ |
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} |
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public void PopClip() |
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{ |
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} |
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public void PushOpacity(double opacity) |
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{ |
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} |
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public void PopOpacity() |
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{ |
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} |
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public void PushOpacityMask(IBrush mask, Rect bounds) |
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{ |
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} |
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public void PopOpacityMask() |
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{ |
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} |
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public void PushGeometryClip(IGeometryImpl clip) |
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{ |
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} |
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public void PopGeometryClip() |
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{ |
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} |
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public void PushBitmapBlendMode(BitmapBlendingMode blendingMode) |
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{ |
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} |
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public void PopBitmapBlendMode() |
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{ |
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} |
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public void Custom(ICustomDrawOperation custom) |
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{ |
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} |
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} |
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} |
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using Avalonia.Controls.Shapes; |
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using Avalonia.Media; |
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using Avalonia.Platform; |
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using BenchmarkDotNet.Attributes; |
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namespace Avalonia.Benchmarks.Rendering |
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{ |
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[MemoryDiagnoser] |
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public class ShapeRendering |
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{ |
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private readonly DrawingContext _drawingContext; |
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private readonly Line _lineFill; |
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private readonly Line _lineFillAndStroke; |
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private readonly Line _lineNoBrushes; |
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private readonly Line _lineStroke; |
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public ShapeRendering() |
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{ |
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_lineNoBrushes = new Line(); |
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_lineStroke = new Line { Stroke = new SolidColorBrush() }; |
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_lineFill = new Line { Fill = new SolidColorBrush() }; |
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_lineFillAndStroke = new Line { Stroke = new SolidColorBrush(), Fill = new SolidColorBrush() }; |
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_drawingContext = new DrawingContext(new NullDrawingContextImpl(), true); |
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AvaloniaLocator.CurrentMutable.Bind<IPlatformRenderInterface>().ToConstant(new NullRenderingPlatform()); |
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} |
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[Benchmark] |
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public void Render_Line_NoBrushes() |
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{ |
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_lineNoBrushes.Render(_drawingContext); |
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} |
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[Benchmark] |
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public void Render_Line_WithStroke() |
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{ |
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_lineStroke.Render(_drawingContext); |
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} |
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[Benchmark] |
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public void Render_Line_WithFill() |
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{ |
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_lineFill.Render(_drawingContext); |
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} |
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[Benchmark] |
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public void Render_Line_WithFillAndStroke() |
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{ |
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_lineFillAndStroke.Render(_drawingContext); |
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} |
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} |
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} |
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@ -0,0 +1,84 @@ |
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using System.Threading.Tasks; |
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using Avalonia.Controls; |
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using Avalonia.Media; |
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using Avalonia.Media.Imaging; |
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using Xunit; |
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#if AVALONIA_SKIA
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namespace Avalonia.Skia.RenderTests |
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#else
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namespace Avalonia.Direct2D1.RenderTests.Media |
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#endif
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{ |
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public class ImageDrawingTests : TestBase |
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{ |
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public ImageDrawingTests() |
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: base(@"Media\ImageDrawing") |
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{ |
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} |
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private string BitmapPath |
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{ |
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get { return System.IO.Path.Combine(OutputPath, "github_icon.png"); } |
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} |
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[Fact] |
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public async Task ImageDrawing_Fill() |
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{ |
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Decorator target = new Decorator |
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{ |
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Width = 200, |
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Height = 200, |
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Child = new Image |
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{ |
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Source = new DrawingImage |
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{ |
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Drawing = new ImageDrawing |
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{ |
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ImageSource = new Bitmap(BitmapPath), |
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Rect = new Rect(0, 0, 200, 200), |
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} |
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} |
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} |
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}; |
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await RenderToFile(target); |
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CompareImages(); |
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} |
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[Fact] |
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public async Task ImageDrawing_BottomRight() |
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{ |
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Decorator target = new Decorator |
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{ |
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Width = 200, |
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Height = 200, |
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Child = new Image |
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{ |
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Source = new DrawingImage |
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{ |
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Drawing = new DrawingGroup |
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{ |
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Children = |
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{ |
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new GeometryDrawing |
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{ |
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Geometry = StreamGeometry.Parse("m0,0 l200,200"), |
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Brush = Brushes.Black, |
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}, |
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new ImageDrawing |
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{ |
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ImageSource = new Bitmap(BitmapPath), |
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Rect = new Rect(100, 100, 100, 100), |
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} |
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} |
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} |
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} |
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} |
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}; |
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await RenderToFile(target); |
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CompareImages(); |
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} |
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} |
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} |
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After Width: | Height: | Size: 3.4 KiB |
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After Width: | Height: | Size: 11 KiB |
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After Width: | Height: | Size: 17 KiB |
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After Width: | Height: | Size: 3.1 KiB |
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After Width: | Height: | Size: 6.7 KiB |
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After Width: | Height: | Size: 17 KiB |
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