Max Katz
5 years ago
committed by
GitHub
GitHub
97 changed files with 1264 additions and 412 deletions
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<UserControl |
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xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
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xmlns:pages="clr-namespace:RenderDemo.Pages" |
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x:Class="RenderDemo.Pages.CustomAnimatorPage" |
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MaxWidth="600"> |
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<Grid> |
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<TextBlock HorizontalAlignment="Center" VerticalAlignment="Center"> |
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<TextBlock.Styles> |
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<Style Selector="TextBlock"> |
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<Style.Animations> |
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<Animation Duration="0:0:1" IterationCount="Infinite"> |
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<KeyFrame Cue="0%"> |
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<Setter Property="Text" Value="" Animation.Animator="{x:Type pages:CustomStringAnimator}"/> |
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</KeyFrame> |
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<KeyFrame Cue="100%"> |
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<Setter Property="Text" Value="0123456789" Animation.Animator="{x:Type pages:CustomStringAnimator}"/> |
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</KeyFrame> |
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</Animation> |
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</Style.Animations> |
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</Style> |
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</TextBlock.Styles> |
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</TextBlock> |
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</Grid> |
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</UserControl> |
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using System.Reactive.Linq; |
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using Avalonia; |
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using Avalonia.Animation; |
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using Avalonia.Controls; |
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using Avalonia.Controls.Shapes; |
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using Avalonia.Data; |
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using Avalonia.Input; |
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using Avalonia.Interactivity; |
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using Avalonia.Markup.Xaml; |
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using Avalonia.Media; |
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using RenderDemo.ViewModels; |
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|
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namespace RenderDemo.Pages |
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{ |
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public class CustomAnimatorPage : UserControl |
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{ |
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public CustomAnimatorPage() |
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{ |
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InitializeComponent(); |
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} |
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private void InitializeComponent() |
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{ |
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AvaloniaXamlLoader.Load(this); |
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} |
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} |
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} |
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using Avalonia.Animation.Animators; |
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namespace RenderDemo.Pages |
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{ |
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public class CustomStringAnimator : Animator<string> |
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{ |
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public override string Interpolate(double progress, string oldValue, string newValue) |
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{ |
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if (newValue.Length == 0) return ""; |
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var step = 1.0 / newValue.Length; |
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var length = (int)(progress / step); |
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var result = newValue.Substring(0, length + 1); |
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return result; |
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} |
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} |
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} |
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using System; |
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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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#nullable enable |
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namespace Avalonia.Animation |
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{ |
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/// <summary>
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/// Transition class that handles <see cref="AvaloniaProperty"/> with <see cref="IBrush"/> type.
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/// Only values of <see cref="ISolidColorBrush"/> will transition correctly at the moment.
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/// </summary>
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public class BrushTransition : Transition<IBrush?> |
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{ |
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private static readonly ISolidColorBrushAnimator s_animator = new ISolidColorBrushAnimator(); |
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public override IObservable<IBrush?> DoTransition(IObservable<double> progress, IBrush? oldValue, IBrush? newValue) |
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{ |
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var oldSolidColorBrush = TryGetSolidColorBrush(oldValue); |
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var newSolidColorBrush = TryGetSolidColorBrush(newValue); |
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if (oldSolidColorBrush != null && newSolidColorBrush != null) |
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{ |
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return new AnimatorTransitionObservable<ISolidColorBrush, ISolidColorBrushAnimator>( |
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s_animator, progress, Easing, oldSolidColorBrush, newSolidColorBrush); |
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} |
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return new IncompatibleTransitionObservable(progress, Easing, oldValue, newValue); |
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} |
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private static ISolidColorBrush? TryGetSolidColorBrush(IBrush? brush) |
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{ |
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if (brush is null) |
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{ |
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return Brushes.Transparent; |
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} |
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return brush as ISolidColorBrush; |
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} |
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private class IncompatibleTransitionObservable : TransitionObservableBase<IBrush?> |
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{ |
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private readonly IBrush? _from; |
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private readonly IBrush? _to; |
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public IncompatibleTransitionObservable(IObservable<double> progress, Easing easing, IBrush? from, IBrush? 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 IBrush? ProduceValue(double progress) |
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{ |
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return progress < 0.5 ? _from : _to; |
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} |
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} |
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} |
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} |
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using System.Collections.Generic; |
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using Avalonia.Collections; |
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namespace Avalonia.Media |
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{ |
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/// <summary>
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/// Represents a set of line segments defined by a points collection with each Point specifying the end point of a line segment.
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/// </summary>
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public sealed class PolyLineSegment : PathSegment |
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{ |
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/// <summary>
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/// Defines the <see cref="Points"/> property.
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/// </summary>
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public static readonly StyledProperty<Points> PointsProperty |
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= AvaloniaProperty.Register<PolyLineSegment, Points>(nameof(Points)); |
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/// <summary>
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/// Gets or sets the points.
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/// </summary>
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/// <value>
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/// The points.
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/// </value>
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public AvaloniaList<Point> Points |
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{ |
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get => GetValue(PointsProperty); |
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set => SetValue(PointsProperty, value); |
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} |
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/// <summary>
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/// Initializes a new instance of the <see cref="PolyLineSegment"/> class.
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/// </summary>
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public PolyLineSegment() |
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{ |
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Points = new Points(); |
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} |
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/// <summary>
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/// Initializes a new instance of the <see cref="PolyLineSegment"/> class.
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/// </summary>
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/// <param name="points">The points.</param>
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public PolyLineSegment(IEnumerable<Point> points) : this() |
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{ |
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Points.AddRange(points); |
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} |
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protected internal override void ApplyTo(StreamGeometryContext ctx) |
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{ |
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var points = Points; |
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if (points.Count > 0) |
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{ |
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for (int i = 0; i < points.Count; i++) |
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{ |
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ctx.LineTo(points[i]); |
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} |
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} |
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} |
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public override string ToString() |
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=> Points.Count >= 1 ? "L " + string.Join(" ", Points) : ""; |
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} |
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} |
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After Width: | Height: | Size: 631 B |
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After Width: | Height: | Size: 2.9 KiB |
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After Width: | Height: | Size: 8.9 KiB |
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After Width: | Height: | Size: 9.8 KiB |
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After Width: | Height: | Size: 1.9 KiB |
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After Width: | Height: | Size: 5.8 KiB |
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