private static bool Compare(object first, object second, int depth) { if (depth > 3) { return(true); } Brush firstBrush = first as Brush; Brush secondBrush = second as Brush; if (firstBrush != null && secondBrush != null) { return(PropertyUtilities.CompareBrushes(firstBrush, secondBrush)); } GradientStopCollection firstStops; GradientStopCollection secondStops; if ((firstStops = first as GradientStopCollection) != null && (secondStops = second as GradientStopCollection) != null) { return(PropertyUtilities.CompareGradientStops(firstStops, secondStops)); } TextDecorationCollection firstTextDecorationCollection; TextDecorationCollection secondTextDecorationCollection; if ((firstTextDecorationCollection = first as TextDecorationCollection) != null && (secondTextDecorationCollection = second as TextDecorationCollection) != null) { return(PropertyUtilities.CompareTextDecorations(firstTextDecorationCollection, secondTextDecorationCollection)); } AxisAngleRotation3D axisAngleRotation3D1; AxisAngleRotation3D axisAngleRotation3D2; if ((axisAngleRotation3D1 = first as AxisAngleRotation3D) != null && (axisAngleRotation3D2 = second as AxisAngleRotation3D) != null) { if (axisAngleRotation3D1.Angle == axisAngleRotation3D2.Angle) { return(axisAngleRotation3D1.Axis == axisAngleRotation3D2.Axis); } return(false); } Material firstMaterial; Material secondMaterial; if ((firstMaterial = first as Material) != null && (secondMaterial = second as Material) != null) { return(PropertyUtilities.CompareMaterials(firstMaterial, secondMaterial)); } Freezable firstFreezable; Freezable secondFreezable; if ((firstFreezable = first as Freezable) != null && (secondFreezable = second as Freezable) != null) { return(PropertyUtilities.CompareFreezables(firstFreezable, secondFreezable, depth)); } return(object.Equals(first, second)); }
private static bool CompareBrushes(Brush firstBrush, Brush secondBrush) { if (firstBrush == null && secondBrush == null) { return(true); } if (firstBrush == null || secondBrush == null) { return(false); } Type type1 = firstBrush.GetType(); Type type2 = secondBrush.GetType(); if (type1 != type2) { return(false); } if (type1 == typeof(SolidColorBrush)) { return(((SolidColorBrush)firstBrush).Color == ((SolidColorBrush)secondBrush).Color); } GradientBrush gradientBrush1; if ((gradientBrush1 = firstBrush as GradientBrush) != null) { GradientBrush gradientBrush2 = (GradientBrush)secondBrush; if (gradientBrush1.MappingMode != gradientBrush2.MappingMode || gradientBrush1.SpreadMethod != gradientBrush2.SpreadMethod) { return(false); } LinearGradientBrush linearGradientBrush1 = gradientBrush1 as LinearGradientBrush; if (linearGradientBrush1 != null) { LinearGradientBrush linearGradientBrush2 = (LinearGradientBrush)gradientBrush2; if (linearGradientBrush1.EndPoint != linearGradientBrush2.EndPoint || linearGradientBrush1.StartPoint != linearGradientBrush2.StartPoint) { return(false); } } else { RadialGradientBrush radialGradientBrush1; if ((radialGradientBrush1 = gradientBrush1 as RadialGradientBrush) != null) { RadialGradientBrush radialGradientBrush2 = (RadialGradientBrush)gradientBrush2; if (radialGradientBrush1.Center != radialGradientBrush2.Center || radialGradientBrush1.RadiusX != radialGradientBrush2.RadiusX || (radialGradientBrush1.RadiusY != radialGradientBrush2.RadiusY || radialGradientBrush1.GradientOrigin != radialGradientBrush2.GradientOrigin)) { return(false); } } } Transform transform1 = gradientBrush1.Transform; Transform transform2 = gradientBrush2.Transform; if (transform1 == null || transform2 == null || new CanonicalTransform(transform1) != new CanonicalTransform(transform2)) { return(false); } return(PropertyUtilities.CompareGradientStops(gradientBrush1.GradientStops, gradientBrush2.GradientStops)); } TileBrush tileBrush1; if ((tileBrush1 = firstBrush as TileBrush) == null) { return(object.Equals((object)firstBrush, (object)secondBrush)); } TileBrush tileBrush2 = (TileBrush)secondBrush; if (tileBrush1.AlignmentX != tileBrush2.AlignmentX || tileBrush1.AlignmentY != tileBrush2.AlignmentY || (tileBrush1.RelativeTransform != tileBrush2.RelativeTransform || tileBrush1.Stretch != tileBrush2.Stretch) || (tileBrush1.TileMode != tileBrush2.TileMode || tileBrush1.Viewbox != tileBrush2.Viewbox || (tileBrush1.ViewboxUnits != tileBrush2.ViewboxUnits || tileBrush1.Viewport != tileBrush2.Viewport)) || tileBrush1.ViewportUnits != tileBrush2.ViewportUnits) { return(false); } Transform transform3 = tileBrush1.Transform; Transform transform4 = tileBrush2.Transform; return((transform3 != null || transform4 == null) && (transform3 == null || transform4 != null) && !(new CanonicalTransform(transform3) != new CanonicalTransform(transform4))); }