Browse Source
From Avalonia.Visuals.UnitTests as they're useful generally.scenegraph-after-breakage
Steven Kirk
9 years ago
7 changed files with 192 additions and 201 deletions
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using Avalonia.Media; |
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using Avalonia.Platform; |
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using Moq; |
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namespace Avalonia.UnitTests |
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{ |
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public class MockPlatformRenderInterface : IPlatformRenderInterface |
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{ |
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public IFormattedTextImpl CreateFormattedText( |
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string text, |
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string fontFamilyName, |
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double fontSize, |
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FontStyle fontStyle, |
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TextAlignment textAlignment, |
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FontWeight fontWeight, |
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TextWrapping wrapping, |
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Size constraint) |
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{ |
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var result = new Mock<IFormattedTextImpl>(); |
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result.Setup(x => x.WithConstraint(It.IsAny<Size>())).Returns(() => result.Object); |
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return result.Object; |
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} |
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public IRenderTarget CreateRenderTarget(IEnumerable<object> surfaces) |
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{ |
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return Mock.Of<IRenderTarget>(); |
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} |
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public IRenderTargetBitmapImpl CreateRenderTargetBitmap( |
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int width, |
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int height, |
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double dpiX, |
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double dpiY) |
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{ |
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return Mock.Of<IRenderTargetBitmapImpl>(); |
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} |
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public IStreamGeometryImpl CreateStreamGeometry() |
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{ |
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return new MockStreamGeometryImpl(); |
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} |
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public IBitmapImpl LoadBitmap(Stream stream) |
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{ |
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return Mock.Of<IBitmapImpl>(); |
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} |
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public IBitmapImpl LoadBitmap(string fileName) |
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{ |
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return Mock.Of<IBitmapImpl>(); |
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} |
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} |
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} |
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@ -0,0 +1,131 @@ |
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using System; |
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using System.Collections.Generic; |
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using Avalonia.Media; |
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using Avalonia.Platform; |
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|
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namespace Avalonia.UnitTests |
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{ |
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public class MockStreamGeometryImpl : IStreamGeometryImpl |
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{ |
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private MockStreamGeometryContext _impl = new MockStreamGeometryContext(); |
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public Rect Bounds => _impl.CalculateBounds(); |
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public Matrix Transform { get; set; } |
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public IStreamGeometryImpl Clone() |
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{ |
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return this; |
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} |
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public bool FillContains(Point point) |
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{ |
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return _impl.FillContains(point); |
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} |
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public bool StrokeContains(Pen pen, Point point) |
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{ |
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return false; |
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} |
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public Rect GetRenderBounds(double strokeThickness) => Bounds; |
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public IStreamGeometryContextImpl Open() |
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{ |
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return _impl; |
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} |
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public IGeometryImpl WithTransform(Matrix transform) |
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{ |
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return this; |
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} |
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class MockStreamGeometryContext : IStreamGeometryContextImpl |
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{ |
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private List<Point> points = new List<Point>(); |
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public void ArcTo(Point point, Size size, double rotationAngle, bool isLargeArc, SweepDirection sweepDirection) |
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{ |
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throw new NotImplementedException(); |
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} |
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public void BeginFigure(Point startPoint, bool isFilled) |
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{ |
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points.Add(startPoint); |
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} |
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public Rect CalculateBounds() |
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{ |
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var left = double.MaxValue; |
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var right = double.MinValue; |
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var top = double.MaxValue; |
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var bottom = double.MinValue; |
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foreach (var p in points) |
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{ |
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left = Math.Min(p.X, left); |
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right = Math.Max(p.X, right); |
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top = Math.Min(p.Y, top); |
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bottom = Math.Max(p.Y, bottom); |
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} |
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return new Rect(new Point(left, top), new Point(right, bottom)); |
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} |
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public void CubicBezierTo(Point point1, Point point2, Point point3) |
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{ |
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throw new NotImplementedException(); |
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} |
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public void Dispose() |
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{ |
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} |
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public void EndFigure(bool isClosed) |
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{ |
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} |
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public void LineTo(Point point) |
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{ |
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points.Add(point); |
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} |
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public void QuadraticBezierTo(Point control, Point endPoint) |
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{ |
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throw new NotImplementedException(); |
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} |
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public void SetFillRule(FillRule fillRule) |
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{ |
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} |
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public bool FillContains(Point point) |
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{ |
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// Use the algorithm from http://www.blackpawn.com/texts/pointinpoly/default.html
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// to determine if the point is in the geometry (since it will always be convex in this situation)
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for (int i = 0; i < points.Count; i++) |
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{ |
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var a = points[i]; |
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var b = points[(i + 1) % points.Count]; |
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var c = points[(i + 2) % points.Count]; |
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Vector v0 = c - a; |
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Vector v1 = b - a; |
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Vector v2 = point - a; |
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var dot00 = v0 * v0; |
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var dot01 = v0 * v1; |
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var dot02 = v0 * v2; |
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var dot11 = v1 * v1; |
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var dot12 = v1 * v2; |
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var invDenom = 1 / (dot00 * dot11 - dot01 * dot01); |
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var u = (dot11 * dot02 - dot01 * dot12) * invDenom; |
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var v = (dot00 * dot12 - dot01 * dot02) * invDenom; |
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if ((u >= 0) && (v >= 0) && (u + v < 1)) return true; |
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} |
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return false; |
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} |
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} |
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} |
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} |
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@ -1,178 +0,0 @@ |
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using Avalonia.Media; |
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using Avalonia.Platform; |
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|
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namespace Avalonia.Visuals.UnitTests.VisualTree |
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{ |
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class MockRenderInterface : IPlatformRenderInterface |
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{ |
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public IFormattedTextImpl CreateFormattedText( |
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string text, |
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string fontFamilyName, |
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double fontSize, |
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FontStyle fontStyle, |
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TextAlignment textAlignment, |
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FontWeight fontWeight, |
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TextWrapping wrapping, |
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Size constraint) |
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{ |
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throw new NotImplementedException(); |
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} |
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|
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public IRenderTarget CreateRenderTarget(IEnumerable<object> surfaces) |
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{ |
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throw new NotImplementedException(); |
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} |
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|
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public IRenderTargetBitmapImpl CreateRenderTargetBitmap( |
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int width, |
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int height, |
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double dpiX, |
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double dpiY) |
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{ |
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throw new NotImplementedException(); |
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} |
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|
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public IStreamGeometryImpl CreateStreamGeometry() |
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{ |
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return new MockStreamGeometry(); |
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} |
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|
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public IBitmapImpl LoadBitmap(Stream stream) |
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{ |
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throw new NotImplementedException(); |
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} |
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public IBitmapImpl LoadBitmap(string fileName) |
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{ |
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throw new NotImplementedException(); |
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} |
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|
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class MockStreamGeometry : IStreamGeometryImpl |
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{ |
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private MockStreamGeometryContext _impl = new MockStreamGeometryContext(); |
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public Rect Bounds => _impl.CalculateBounds(); |
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public Matrix Transform { get; set; } |
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public IStreamGeometryImpl Clone() |
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{ |
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return this; |
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} |
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public bool FillContains(Point point) |
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{ |
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return _impl.FillContains(point); |
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} |
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public bool StrokeContains(Pen pen, Point point) |
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{ |
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return false; |
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} |
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public Rect GetRenderBounds(double strokeThickness) => Bounds; |
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public IStreamGeometryContextImpl Open() |
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{ |
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return _impl; |
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} |
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|
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public IGeometryImpl WithTransform(Matrix transform) |
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{ |
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return this; |
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} |
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|
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class MockStreamGeometryContext : IStreamGeometryContextImpl |
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{ |
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private List<Point> points = new List<Point>(); |
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public void ArcTo(Point point, Size size, double rotationAngle, bool isLargeArc, SweepDirection sweepDirection) |
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{ |
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throw new NotImplementedException(); |
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} |
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public void BeginFigure(Point startPoint, bool isFilled) |
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{ |
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points.Add(startPoint); |
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} |
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|
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public Rect CalculateBounds() |
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{ |
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var left = double.MaxValue; |
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var right = double.MinValue; |
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var top = double.MaxValue; |
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var bottom = double.MinValue; |
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|
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foreach (var p in points) |
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{ |
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left = Math.Min(p.X, left); |
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right = Math.Max(p.X, right); |
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top = Math.Min(p.Y, top); |
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bottom = Math.Max(p.Y, bottom); |
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} |
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return new Rect(new Point(left, top), new Point(right, bottom)); |
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} |
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|
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public void CubicBezierTo(Point point1, Point point2, Point point3) |
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{ |
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throw new NotImplementedException(); |
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} |
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|
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public void Dispose() |
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{ |
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} |
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|
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public void EndFigure(bool isClosed) |
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{ |
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} |
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|
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public void LineTo(Point point) |
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{ |
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points.Add(point); |
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} |
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|
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public void QuadraticBezierTo(Point control, Point endPoint) |
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{ |
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throw new NotImplementedException(); |
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} |
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|
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public void SetFillRule(FillRule fillRule) |
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{ |
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} |
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|
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public bool FillContains(Point point) |
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{ |
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// Use the algorithm from http://www.blackpawn.com/texts/pointinpoly/default.html
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// to determine if the point is in the geometry (since it will always be convex in this situation)
|
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for (int i = 0; i < points.Count; i++) |
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{ |
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var a = points[i]; |
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var b = points[(i + 1) % points.Count]; |
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var c = points[(i + 2) % points.Count]; |
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|
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Vector v0 = c - a; |
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Vector v1 = b - a; |
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Vector v2 = point - a; |
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var dot00 = v0 * v0; |
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var dot01 = v0 * v1; |
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var dot02 = v0 * v2; |
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var dot11 = v1 * v1; |
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var dot12 = v1 * v2; |
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|
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var invDenom = 1 / (dot00 * dot11 - dot01 * dot01); |
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var u = (dot11 * dot02 - dot01 * dot12) * invDenom; |
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var v = (dot00 * dot12 - dot01 * dot02) * invDenom; |
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if ((u >= 0) && (v >= 0) && (u + v < 1)) return true; |
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} |
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return false; |
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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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