Nikita Tsukanov
3 years ago
26 changed files with 1069 additions and 20 deletions
@ -0,0 +1,22 @@ |
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using System; |
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// ReSharper disable CheckNamespace
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namespace Avalonia.Media; |
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public class BlurEffect : Effect, IBlurEffect, IMutableEffect |
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{ |
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public static readonly StyledProperty<double> RadiusProperty = AvaloniaProperty.Register<BlurEffect, double>( |
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nameof(Radius), 5); |
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public double Radius |
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{ |
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get => GetValue(RadiusProperty); |
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set => SetValue(RadiusProperty, value); |
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} |
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static BlurEffect() |
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{ |
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AffectsRender<BlurEffect>(RadiusProperty); |
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} |
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public IImmutableEffect ToImmutable() => new ImmutableBlurEffect(Radius); |
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} |
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@ -0,0 +1,104 @@ |
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// ReSharper disable once CheckNamespace
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using System; |
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// ReSharper disable CheckNamespace
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namespace Avalonia.Media; |
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public abstract class DropShadowEffectBase : Effect |
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{ |
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public static readonly StyledProperty<double> BlurRadiusProperty = |
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AvaloniaProperty.Register<DropShadowEffectBase, double>( |
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nameof(BlurRadius), 5); |
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public double BlurRadius |
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{ |
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get => GetValue(BlurRadiusProperty); |
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set => SetValue(BlurRadiusProperty, value); |
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} |
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public static readonly StyledProperty<Color> ColorProperty = AvaloniaProperty.Register<DropShadowEffectBase, Color>( |
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nameof(Color)); |
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public Color Color |
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{ |
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get => GetValue(ColorProperty); |
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set => SetValue(ColorProperty, value); |
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} |
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public static readonly StyledProperty<double> OpacityProperty = |
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AvaloniaProperty.Register<DropShadowEffectBase, double>( |
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nameof(Opacity), 1); |
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public double Opacity |
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{ |
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get => GetValue(OpacityProperty); |
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set => SetValue(OpacityProperty, value); |
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} |
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static DropShadowEffectBase() |
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{ |
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AffectsRender<DropShadowEffectBase>(BlurRadiusProperty, ColorProperty, OpacityProperty); |
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} |
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} |
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|
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public class DropShadowEffect : DropShadowEffectBase, IDropShadowEffect, IMutableEffect |
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{ |
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public static readonly StyledProperty<double> OffsetXProperty = AvaloniaProperty.Register<DropShadowEffect, double>( |
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nameof(OffsetX), 3.5355); |
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public double OffsetX |
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{ |
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get => GetValue(OffsetXProperty); |
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set => SetValue(OffsetXProperty, value); |
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} |
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public static readonly StyledProperty<double> OffsetYProperty = AvaloniaProperty.Register<DropShadowEffect, double>( |
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nameof(OffsetY), 3.5355); |
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public double OffsetY |
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{ |
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get => GetValue(OffsetYProperty); |
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set => SetValue(OffsetYProperty, value); |
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} |
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static DropShadowEffect() |
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{ |
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AffectsRender<DropShadowEffect>(OffsetXProperty, OffsetYProperty); |
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} |
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public IImmutableEffect ToImmutable() |
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{ |
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return new ImmutableDropShadowEffect(OffsetX, OffsetY, BlurRadius, Color, Opacity); |
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} |
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} |
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/// <summary>
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/// This class is compatible with WPF's DropShadowEffect and provides Direction and ShadowDepth properties instead of OffsetX/OffsetY
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/// </summary>
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public class DropShadowDirectionEffect : DropShadowEffectBase, IDirectionDropShadowEffect, IMutableEffect |
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{ |
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public static readonly StyledProperty<double> ShadowDepthProperty = |
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AvaloniaProperty.Register<DropShadowDirectionEffect, double>( |
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nameof(ShadowDepth), 5); |
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public double ShadowDepth |
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{ |
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get => GetValue(ShadowDepthProperty); |
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set => SetValue(ShadowDepthProperty, value); |
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} |
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public static readonly StyledProperty<double> DirectionProperty = AvaloniaProperty.Register<DropShadowDirectionEffect, double>( |
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nameof(Direction), 315); |
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public double Direction |
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{ |
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get => GetValue(DirectionProperty); |
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set => SetValue(DirectionProperty, value); |
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} |
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public double OffsetX => Math.Cos(Direction) * ShadowDepth; |
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public double OffsetY => Math.Sin(Direction) * ShadowDepth; |
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public IImmutableEffect ToImmutable() => new ImmutableDropShadowDirectionEffect(OffsetX, OffsetY, BlurRadius, Color, Opacity); |
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} |
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@ -0,0 +1,93 @@ |
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using System; |
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using Avalonia.Animation; |
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using Avalonia.Animation.Animators; |
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using Avalonia.Reactive; |
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using Avalonia.Rendering.Composition.Expressions; |
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using Avalonia.Utilities; |
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// ReSharper disable once CheckNamespace
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namespace Avalonia.Media; |
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public class Effect : Animatable, IAffectsRender |
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{ |
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/// <summary>
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/// Marks a property as affecting the brush's visual representation.
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/// </summary>
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/// <param name="properties">The properties.</param>
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/// <remarks>
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/// After a call to this method in a brush's static constructor, any change to the
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/// property will cause the <see cref="Invalidated"/> event to be raised on the brush.
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/// </remarks>
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protected static void AffectsRender<T>(params AvaloniaProperty[] properties) |
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where T : Effect |
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{ |
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var invalidateObserver = new AnonymousObserver<AvaloniaPropertyChangedEventArgs>( |
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static e => (e.Sender as T)?.RaiseInvalidated(EventArgs.Empty)); |
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foreach (var property in properties) |
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{ |
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property.Changed.Subscribe(invalidateObserver); |
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} |
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} |
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/// <summary>
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/// Raises the <see cref="Invalidated"/> event.
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/// </summary>
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/// <param name="e">The event args.</param>
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protected void RaiseInvalidated(EventArgs e) => Invalidated?.Invoke(this, e); |
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/// <inheritdoc />
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public event EventHandler? Invalidated; |
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static Exception ParseError(string s) => throw new ArgumentException("Unable to parse effect: " + s); |
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public static IEffect Parse(string s) |
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{ |
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var span = s.AsSpan(); |
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var r = new TokenParser(span); |
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if (r.TryConsume("blur")) |
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{ |
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if (!r.TryConsume('(') || !r.TryParseDouble(out var radius) || !r.TryConsume(')') || !r.IsEofWithWhitespace()) |
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throw ParseError(s); |
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return new ImmutableBlurEffect(radius); |
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} |
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if (r.TryConsume("drop-shadow")) |
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{ |
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if (!r.TryConsume('(') || !r.TryParseDouble(out var offsetX) |
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|| !r.TryParseDouble(out var offsetY)) |
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throw ParseError(s); |
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double blurRadius = 0; |
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var color = Colors.Black; |
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if (!r.TryConsume(')')) |
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{ |
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if (!r.TryParseDouble(out blurRadius) || blurRadius < 0) |
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throw ParseError(s); |
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if (!r.TryConsume(')')) |
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{ |
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var endOfExpression = s.LastIndexOf(")", StringComparison.Ordinal); |
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if (endOfExpression == -1) |
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throw ParseError(s); |
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if (!new TokenParser(span.Slice(endOfExpression + 1)).IsEofWithWhitespace()) |
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throw ParseError(s); |
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if (!Color.TryParse(span.Slice(r.Position, endOfExpression - r.Position).TrimEnd(), out color)) |
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throw ParseError(s); |
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return new ImmutableDropShadowEffect(offsetX, offsetY, blurRadius, color, 1); |
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} |
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} |
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if (!r.IsEofWithWhitespace()) |
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throw ParseError(s); |
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return new ImmutableDropShadowEffect(offsetX, offsetY, blurRadius, color, 1); |
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} |
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throw ParseError(s); |
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} |
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static Effect() |
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{ |
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EffectAnimator.EnsureRegistered(); |
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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.Diagnostics.CodeAnalysis; |
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using Avalonia.Data; |
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using Avalonia.Logging; |
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using Avalonia.Media; |
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// ReSharper disable once CheckNamespace
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namespace Avalonia.Animation.Animators; |
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public class EffectAnimator : Animator<IEffect?> |
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{ |
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public override IDisposable? Apply(Animation animation, Animatable control, IClock? clock, |
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IObservable<bool> match, Action? onComplete) |
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{ |
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if (TryCreateAnimator<BlurEffectAnimator, IBlurEffect>(out var animator) |
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|| TryCreateAnimator<DropShadowEffectAnimator, IDropShadowEffect>(out animator)) |
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return animator.Apply(animation, control, clock, match, onComplete); |
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Logger.TryGet(LogEventLevel.Error, LogArea.Animations)?.Log( |
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this, |
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"The animation's keyframe value types set is not supported."); |
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return base.Apply(animation, control, clock, match, onComplete); |
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} |
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private bool TryCreateAnimator<TAnimator, TInterface>([NotNullWhen(true)] out IAnimator? animator) |
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where TAnimator : EffectAnimatorBase<TInterface>, new() where TInterface : class, IEffect |
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{ |
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TAnimator? createdAnimator = null; |
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foreach (var keyFrame in this) |
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{ |
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if (keyFrame.Value is TInterface) |
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{ |
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createdAnimator ??= new TAnimator() |
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{ |
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Property = Property |
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}; |
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createdAnimator.Add(new AnimatorKeyFrame(typeof(TAnimator), () => new TAnimator(), keyFrame.Cue, |
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keyFrame.KeySpline) |
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{ |
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Value = keyFrame.Value |
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}); |
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} |
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else |
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{ |
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animator = null; |
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return false; |
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} |
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} |
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animator = createdAnimator; |
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return animator != null; |
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} |
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/// <summary>
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/// Fallback implementation of <see cref="IEffect"/> animation.
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/// </summary>
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public override IEffect? Interpolate(double progress, IEffect? oldValue, IEffect? newValue) => progress >= 0.5 ? newValue : oldValue; |
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private static bool s_Registered; |
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public static void EnsureRegistered() |
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{ |
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if(s_Registered) |
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return; |
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s_Registered = true; |
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Animation.RegisterAnimator<EffectAnimator>(prop => |
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typeof(IEffect).IsAssignableFrom(prop.PropertyType)); |
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} |
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} |
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public abstract class EffectAnimatorBase<T> : Animator<IEffect?> where T : class, IEffect? |
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{ |
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public override IDisposable BindAnimation(Animatable control, IObservable<IEffect?> instance) |
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{ |
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if (Property is null) |
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{ |
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throw new InvalidOperationException("Animator has no property specified."); |
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} |
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return control.Bind((AvaloniaProperty<IEffect?>)Property, instance, BindingPriority.Animation); |
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} |
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protected abstract T Interpolate(double progress, T oldValue, T newValue); |
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public override IEffect? Interpolate(double progress, IEffect? oldValue, IEffect? newValue) |
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{ |
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var old = oldValue as T; |
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var n = newValue as T; |
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if (old == null || n == null) |
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return progress >= 0.5 ? newValue : oldValue; |
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return Interpolate(progress, old, n); |
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} |
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} |
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public class BlurEffectAnimator : EffectAnimatorBase<IBlurEffect> |
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{ |
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private static readonly DoubleAnimator s_doubleAnimator = new DoubleAnimator(); |
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protected override IBlurEffect Interpolate(double progress, IBlurEffect oldValue, IBlurEffect newValue) |
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{ |
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return new ImmutableBlurEffect( |
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s_doubleAnimator.Interpolate(progress, oldValue.Radius, newValue.Radius)); |
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} |
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} |
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public class DropShadowEffectAnimator : EffectAnimatorBase<IDropShadowEffect> |
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{ |
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private static readonly DoubleAnimator s_doubleAnimator = new DoubleAnimator(); |
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protected override IDropShadowEffect Interpolate(double progress, IDropShadowEffect oldValue, |
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IDropShadowEffect newValue) |
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{ |
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var blur = s_doubleAnimator.Interpolate(progress, oldValue.BlurRadius, newValue.BlurRadius); |
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var color = ColorAnimator.InterpolateCore(progress, oldValue.Color, newValue.Color); |
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var opacity = s_doubleAnimator.Interpolate(progress, oldValue.Opacity, newValue.Opacity); |
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if (oldValue is IDirectionDropShadowEffect oldDirection && newValue is IDirectionDropShadowEffect newDirection) |
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{ |
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return new ImmutableDropShadowDirectionEffect( |
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s_doubleAnimator.Interpolate(progress, oldDirection.Direction, newDirection.Direction), |
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s_doubleAnimator.Interpolate(progress, oldDirection.ShadowDepth, newDirection.ShadowDepth), |
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blur, color, opacity |
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); |
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} |
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return new ImmutableDropShadowEffect( |
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s_doubleAnimator.Interpolate(progress, oldValue.OffsetX, newValue.OffsetX), |
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s_doubleAnimator.Interpolate(progress, oldValue.OffsetY, newValue.OffsetY), |
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blur, color, opacity |
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); |
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} |
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} |
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@ -0,0 +1,18 @@ |
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using System; |
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using System.ComponentModel; |
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using System.Globalization; |
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namespace Avalonia.Media; |
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public class EffectConverter : TypeConverter |
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{ |
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public override bool CanConvertFrom(ITypeDescriptorContext? context, Type sourceType) |
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{ |
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return sourceType == typeof(string); |
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} |
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public override object? ConvertFrom(ITypeDescriptorContext? context, CultureInfo? culture, object? value) |
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{ |
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return value is string s ? Effect.Parse(s) : null; |
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} |
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} |
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@ -0,0 +1,56 @@ |
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using System; |
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// ReSharper disable once CheckNamespace
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namespace Avalonia.Media; |
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public static class EffectExtensions |
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{ |
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static double AdjustPaddingRadius(double radius) |
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{ |
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if (radius <= 0) |
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return 0; |
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return Math.Ceiling(radius) + 1; |
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} |
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internal static Thickness GetEffectOutputPadding(this IEffect? effect) |
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{ |
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if (effect == null) |
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return default; |
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if (effect is IBlurEffect blur) |
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return new Thickness(AdjustPaddingRadius(blur.Radius)); |
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if (effect is IDropShadowEffect dropShadowEffect) |
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{ |
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var radius = AdjustPaddingRadius(dropShadowEffect.BlurRadius); |
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var rc = new Rect(-radius, -radius, |
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radius * 2, radius * 2); |
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rc = rc.Translate(new(dropShadowEffect.OffsetX, dropShadowEffect.OffsetY)); |
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return new Thickness(Math.Max(0, 0 - rc.X), |
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Math.Max(0, 0 - rc.Y), Math.Max(0, rc.Right), Math.Max(0, rc.Bottom)); |
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} |
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throw new ArgumentException("Unknown effect type: " + effect.GetType()); |
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} |
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/// <summary>
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/// Converts a effect to an immutable effect.
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/// </summary>
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/// <param name="effect">The effect.</param>
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/// <returns>
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/// The result of calling <see cref="IMutableEffect.ToImmutable"/> if the effect is mutable,
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/// otherwise <paramref name="effect"/>.
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/// </returns>
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public static IImmutableEffect ToImmutable(this IEffect effect) |
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{ |
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_ = effect ?? throw new ArgumentNullException(nameof(effect)); |
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return (effect as IMutableEffect)?.ToImmutable() ?? (IImmutableEffect)effect; |
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} |
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internal static bool EffectEquals(this IImmutableEffect? immutable, IEffect? right) |
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{ |
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if (immutable == null && right == null) |
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return true; |
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if (immutable != null && right != null) |
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return immutable.Equals(right); |
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return false; |
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} |
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} |
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@ -0,0 +1,83 @@ |
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using System; |
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using System.Diagnostics.CodeAnalysis; |
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using Avalonia.Animation.Animators; |
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using Avalonia.Animation.Easings; |
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using Avalonia.Media; |
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// ReSharper disable once CheckNamespace
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namespace Avalonia.Animation; |
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/// <summary>
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/// Transition class that handles <see cref="AvaloniaProperty"/> with <see cref="IEffect"/> type.
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/// </summary>
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public class EffectTransition : Transition<IEffect?> |
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{ |
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private static readonly BlurEffectAnimator s_blurEffectAnimator = new(); |
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private static readonly DropShadowEffectAnimator s_dropShadowEffectAnimator = new(); |
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private static readonly ImmutableBlurEffect s_DefaultBlur = new ImmutableBlurEffect(0); |
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private static readonly ImmutableDropShadowDirectionEffect s_DefaultDropShadow = new(0, 0, 0, default, 0); |
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bool TryWithAnimator<TAnimator, TInterface>( |
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IObservable<double> progress, |
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TAnimator animator, |
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IEffect? oldValue, IEffect? newValue, TInterface defaultValue, [MaybeNullWhen(false)] out IObservable<IEffect?> observable) |
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where TAnimator : EffectAnimatorBase<TInterface> where TInterface : class, IEffect |
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{ |
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observable = null; |
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TInterface? oldI = null, newI = null; |
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if (oldValue is TInterface oi) |
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{ |
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oldI = oi; |
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if (newValue is TInterface ni) |
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newI = ni; |
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else if (newValue == null) |
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newI = defaultValue; |
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else |
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return false; |
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} |
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else if (newValue is TInterface nv) |
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{ |
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oldI = defaultValue; |
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newI = nv; |
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} |
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else |
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return false; |
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observable = new AnimatorTransitionObservable<IEffect?, Animator<IEffect?>>(animator, progress, Easing, oldI, newI); |
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return true; |
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} |
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public override IObservable<IEffect?> DoTransition(IObservable<double> progress, IEffect? oldValue, IEffect? newValue) |
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{ |
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if ((oldValue != null || newValue != null) |
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&& ( |
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TryWithAnimator<BlurEffectAnimator, IBlurEffect>(progress, s_blurEffectAnimator, |
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oldValue, newValue, s_DefaultBlur, out var observable) |
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|| TryWithAnimator<DropShadowEffectAnimator, IDropShadowEffect>(progress, s_dropShadowEffectAnimator, |
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oldValue, newValue, s_DefaultDropShadow, out observable) |
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)) |
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return observable; |
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return new IncompatibleTransitionObservable(progress, Easing, oldValue, newValue); |
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} |
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private sealed class IncompatibleTransitionObservable : TransitionObservableBase<IEffect?> |
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{ |
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private readonly IEffect? _from; |
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private readonly IEffect? _to; |
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public IncompatibleTransitionObservable(IObservable<double> progress, Easing easing, IEffect? from, IEffect? to) : base(progress, easing) |
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{ |
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_from = from; |
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_to = to; |
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} |
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protected override IEffect? ProduceValue(double progress) |
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{ |
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return progress >= 0.5 ? _to : _from; |
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} |
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} |
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} |
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@ -0,0 +1,29 @@ |
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// ReSharper disable once CheckNamespace
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using Avalonia.Animation.Animators; |
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namespace Avalonia.Media; |
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public interface IBlurEffect : IEffect |
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{ |
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double Radius { get; } |
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} |
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public class ImmutableBlurEffect : IBlurEffect, IImmutableEffect |
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{ |
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static ImmutableBlurEffect() |
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{ |
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EffectAnimator.EnsureRegistered(); |
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} |
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public ImmutableBlurEffect(double radius) |
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{ |
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Radius = radius; |
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} |
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public double Radius { get; } |
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public bool Equals(IEffect? other) => |
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// ReSharper disable once CompareOfFloatsByEqualityOperator
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other is IBlurEffect blur && blur.Radius == Radius; |
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} |
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@ -0,0 +1,84 @@ |
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// ReSharper disable once CheckNamespace
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using System; |
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using Avalonia.Animation.Animators; |
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namespace Avalonia.Media; |
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public interface IDropShadowEffect : IEffect |
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{ |
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double OffsetX { get; } |
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double OffsetY { get; } |
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double BlurRadius { get; } |
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Color Color { get; } |
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double Opacity { get; } |
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} |
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|
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internal interface IDirectionDropShadowEffect : IDropShadowEffect |
|||
{ |
|||
double Direction { get; } |
|||
double ShadowDepth { get; } |
|||
} |
|||
|
|||
public class ImmutableDropShadowEffect : IDropShadowEffect, IImmutableEffect |
|||
{ |
|||
static ImmutableDropShadowEffect() |
|||
{ |
|||
EffectAnimator.EnsureRegistered(); |
|||
} |
|||
|
|||
public ImmutableDropShadowEffect(double offsetX, double offsetY, double blurRadius, Color color, double opacity) |
|||
{ |
|||
OffsetX = offsetX; |
|||
OffsetY = offsetY; |
|||
BlurRadius = blurRadius; |
|||
Color = color; |
|||
Opacity = opacity; |
|||
} |
|||
|
|||
public double OffsetX { get; } |
|||
public double OffsetY { get; } |
|||
public double BlurRadius { get; } |
|||
public Color Color { get; } |
|||
public double Opacity { get; } |
|||
public bool Equals(IEffect? other) |
|||
{ |
|||
return other is IDropShadowEffect d |
|||
&& d.OffsetX == OffsetX && d.OffsetY == OffsetY |
|||
&& d.BlurRadius == BlurRadius |
|||
&& d.Color == Color && d.Opacity == Opacity; |
|||
} |
|||
} |
|||
|
|||
|
|||
public class ImmutableDropShadowDirectionEffect : IDirectionDropShadowEffect, IImmutableEffect |
|||
{ |
|||
static ImmutableDropShadowDirectionEffect() |
|||
{ |
|||
EffectAnimator.EnsureRegistered(); |
|||
} |
|||
|
|||
public ImmutableDropShadowDirectionEffect(double direction, double shadowDepth, double blurRadius, Color color, double opacity) |
|||
{ |
|||
Direction = direction; |
|||
ShadowDepth = shadowDepth; |
|||
BlurRadius = blurRadius; |
|||
Color = color; |
|||
Opacity = opacity; |
|||
} |
|||
|
|||
public double OffsetX => Math.Cos(Direction) * ShadowDepth; |
|||
public double OffsetY => Math.Sin(Direction) * ShadowDepth; |
|||
public double Direction { get; } |
|||
public double ShadowDepth { get; } |
|||
public double BlurRadius { get; } |
|||
public Color Color { get; } |
|||
public double Opacity { get; } |
|||
public bool Equals(IEffect? other) |
|||
{ |
|||
return other is IDropShadowEffect d |
|||
&& d.OffsetX == OffsetX && d.OffsetY == OffsetY |
|||
&& d.BlurRadius == BlurRadius |
|||
&& d.Color == Color && d.Opacity == Opacity; |
|||
} |
|||
} |
|||
@ -0,0 +1,26 @@ |
|||
// ReSharper disable once CheckNamespace
|
|||
|
|||
using System; |
|||
using System.ComponentModel; |
|||
|
|||
namespace Avalonia.Media; |
|||
|
|||
[TypeConverter(typeof(EffectConverter))] |
|||
public interface IEffect |
|||
{ |
|||
|
|||
} |
|||
|
|||
public interface IMutableEffect : IEffect, IAffectsRender |
|||
{ |
|||
/// <summary>
|
|||
/// Creates an immutable clone of the effect.
|
|||
/// </summary>
|
|||
/// <returns>The immutable clone.</returns>
|
|||
internal IImmutableEffect ToImmutable(); |
|||
} |
|||
|
|||
public interface IImmutableEffect : IEffect, IEquatable<IEffect> |
|||
{ |
|||
|
|||
} |
|||
@ -0,0 +1,50 @@ |
|||
using System; |
|||
using Avalonia.Media; |
|||
using SkiaSharp; |
|||
|
|||
namespace Avalonia.Skia; |
|||
|
|||
partial class DrawingContextImpl |
|||
{ |
|||
|
|||
public void PushEffect(IEffect effect) |
|||
{ |
|||
CheckLease(); |
|||
using var filter = CreateEffect(effect); |
|||
var paint = SKPaintCache.Shared.Get(); |
|||
paint.ImageFilter = filter; |
|||
Canvas.SaveLayer(paint); |
|||
SKPaintCache.Shared.ReturnReset(paint); |
|||
} |
|||
|
|||
public void PopEffect() |
|||
{ |
|||
CheckLease(); |
|||
Canvas.Restore(); |
|||
} |
|||
|
|||
SKImageFilter? CreateEffect(IEffect effect) |
|||
{ |
|||
if (effect is IBlurEffect blur) |
|||
{ |
|||
if (blur.Radius <= 0) |
|||
return null; |
|||
var sigma = SkBlurRadiusToSigma(blur.Radius); |
|||
return SKImageFilter.CreateBlur(sigma, sigma); |
|||
} |
|||
|
|||
if (effect is IDropShadowEffect drop) |
|||
{ |
|||
var sigma = drop.BlurRadius > 0 ? SkBlurRadiusToSigma(drop.BlurRadius) : 0; |
|||
var alpha = drop.Color.A * drop.Opacity; |
|||
if (!_useOpacitySaveLayer) |
|||
alpha *= _currentOpacity; |
|||
var color = new SKColor(drop.Color.R, drop.Color.G, drop.Color.B, (byte)Math.Max(0, Math.Min(255, alpha))); |
|||
|
|||
return SKImageFilter.CreateDropShadow((float)drop.OffsetX, (float)drop.OffsetY, sigma, sigma, color); |
|||
} |
|||
|
|||
return null; |
|||
} |
|||
|
|||
} |
|||
@ -0,0 +1,73 @@ |
|||
using System; |
|||
using Avalonia.Media; |
|||
using Xunit; |
|||
|
|||
namespace Avalonia.Base.UnitTests.Media; |
|||
|
|||
public class EffectTests |
|||
{ |
|||
[Fact] |
|||
public void Parse_Parses_Blur() |
|||
{ |
|||
var effect = (ImmutableBlurEffect)Effect.Parse("blur(123.34)"); |
|||
Assert.Equal(123.34, effect.Radius); |
|||
} |
|||
|
|||
private const uint Black = 0xff000000; |
|||
|
|||
[Theory, |
|||
InlineData("drop-shadow(10 20)", 10, 20, 0, Black), |
|||
InlineData("drop-shadow( 10 20 ) ", 10, 20, 0, Black), |
|||
InlineData("drop-shadow( 10 20 30 ) ", 10, 20, 30, Black), |
|||
InlineData("drop-shadow(10 20 30)", 10, 20, 30, Black), |
|||
InlineData("drop-shadow(-10 -20 30)", -10, -20, 30, Black), |
|||
InlineData("drop-shadow(10 20 30 #ffff00ff)", 10, 20, 30, 0xffff00ff), |
|||
InlineData("drop-shadow ( 10 20 30 #ffff00ff ) ", 10, 20, 30, 0xffff00ff), |
|||
InlineData("drop-shadow(10 20 30 red)", 10, 20, 30, 0xffff0000), |
|||
InlineData("drop-shadow ( 10 20 30 red ) ", 10, 20, 30, 0xffff0000), |
|||
InlineData("drop-shadow(10 20 30 rgba(100, 30, 45, 90%))", 10, 20, 30, 0x90641e2d), |
|||
InlineData("drop-shadow(10 20 30 rgba(100, 30, 45, 90%) ) ", 10, 20, 30, 0x90641e2d), |
|||
|
|||
] |
|||
public void Parse_Parses_DropShadow(string s, double x, double y, double r, uint color) |
|||
{ |
|||
var effect = (ImmutableDropShadowEffect)Effect.Parse(s); |
|||
Assert.Equal(x, effect.OffsetX); |
|||
Assert.Equal(y, effect.OffsetY); |
|||
Assert.Equal(r, effect.BlurRadius); |
|||
Assert.Equal(1, effect.Opacity); |
|||
} |
|||
|
|||
[Theory, |
|||
InlineData("blur"), |
|||
InlineData("blur("), |
|||
InlineData("blur()"), |
|||
InlineData("blur(123"), |
|||
InlineData("blur(aaab)"), |
|||
InlineData("drop-shadow(-10 -20 -30)"), |
|||
] |
|||
public void Invalid_Effect_Parse_Fails(string b) |
|||
{ |
|||
Assert.Throws<ArgumentException>(() => Effect.Parse(b)); |
|||
} |
|||
|
|||
[Theory, |
|||
InlineData("blur(2.5)", 4, 4, 4, 4), |
|||
InlineData("blur(0)", 0, 0, 0, 0), |
|||
InlineData("drop-shadow(10 15)", 0, 0, 10, 15), |
|||
InlineData("drop-shadow(10 15 5)", 0, 0, 16, 21), |
|||
InlineData("drop-shadow(0 0 5)", 6, 6, 6, 6), |
|||
InlineData("drop-shadow(3 3 5)", 3, 3, 9, 9) |
|||
|
|||
|
|||
] |
|||
|
|||
public static void PaddingIsCorrectlyCalculated(string effect, double left, double top, double right, double bottom) |
|||
{ |
|||
var padding = Effect.Parse(effect).GetEffectOutputPadding(); |
|||
Assert.Equal(left, padding.Left); |
|||
Assert.Equal(top, padding.Top); |
|||
Assert.Equal(right, padding.Right); |
|||
Assert.Equal(bottom, padding.Bottom); |
|||
} |
|||
} |
|||
@ -0,0 +1,43 @@ |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Controls; |
|||
using Avalonia.Media; |
|||
using Xunit; |
|||
#pragma warning disable CS0649
|
|||
|
|||
#if AVALONIA_SKIA
|
|||
namespace Avalonia.Skia.RenderTests; |
|||
|
|||
public class EffectTests : TestBase |
|||
{ |
|||
public EffectTests() : base(@"Media\Effects") |
|||
{ |
|||
} |
|||
|
|||
[Fact] |
|||
public async Task DropShadowEffect() |
|||
{ |
|||
var target = new Border |
|||
{ |
|||
Width = 200, |
|||
Height = 200, |
|||
Background = Brushes.White, |
|||
Child = new Border() |
|||
{ |
|||
Background = null, |
|||
Margin = new Thickness(40), |
|||
Effect = new ImmutableDropShadowEffect(20, 30, 5, Colors.Green, 1), |
|||
Child = new Border |
|||
{ |
|||
Background = new SolidColorBrush(Color.FromArgb(128, 0, 0, 255)), |
|||
BorderBrush = Brushes.Red, |
|||
BorderThickness = new Thickness(5) |
|||
} |
|||
} |
|||
}; |
|||
|
|||
await RenderToFile(target); |
|||
CompareImages(skipImmediate: true); |
|||
} |
|||
|
|||
} |
|||
#endif
|
|||
|
After Width: | Height: | Size: 2.2 KiB |
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Reference in new issue