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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| using System.Windows; | ||
| using System.Windows.Media; | ||
| using System.Windows.Media.Effects; | ||
|
|
||
| namespace LoFiEffects.WPF.Effects | ||
| { | ||
| /// <summary> | ||
| /// Represents a speckling shader effect. | ||
| /// </summary> | ||
| public abstract class SpecklingEffect : ShaderEffect | ||
| { | ||
| #region Properties | ||
|
|
||
| /// <summary> | ||
| /// Get or set the input. This is a dependency property. | ||
| /// </summary> | ||
| public Brush Input | ||
| { | ||
| get { return (Brush)GetValue(InputProperty); } | ||
| set { SetValue(InputProperty, value); } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Get or set the density. Higher values will produce more speckling. This is a dependency property. | ||
| /// </summary> | ||
| public double Density | ||
| { | ||
| get { return (double)GetValue(DensityProperty); } | ||
| set { SetValue(DensityProperty, value); } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Get or set the intensity. Higher values will produce more intense speckling. This is a dependency property. | ||
| /// </summary> | ||
| public double Intensity | ||
| { | ||
| get { return (double)GetValue(IntensityProperty); } | ||
| set { SetValue(IntensityProperty, value); } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Get or set the offset. This value can modified to produce different speckling patterns. This is a dependency property. | ||
| /// </summary> | ||
| public double Offset | ||
| { | ||
| get { return (double)GetValue(OffsetProperty); } | ||
| set { SetValue(OffsetProperty, value); } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Get or set if the effect should be rendered over transparency. This is a dependency property. | ||
| /// </summary> | ||
| public bool RenderOverTransparent | ||
| { | ||
| get { return (bool)GetValue(RenderOverTransparentProperty); } | ||
| set { SetValue(RenderOverTransparentProperty, value); } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Get or set if the effect should be rendered over transparency. This is a dependency property. | ||
| /// </summary> | ||
| protected double RenderOverTransparentDouble | ||
| { | ||
| get { return (double)GetValue(RenderOverTransparentDoubleProperty); } | ||
| set { SetValue(RenderOverTransparentDoubleProperty, value); } | ||
| } | ||
|
|
||
| #endregion | ||
|
|
||
| #region DependencyProperties | ||
|
|
||
| /// <summary> | ||
| /// Identifies the SpecklingEffect.Input property. | ||
| /// </summary> | ||
| public static readonly DependencyProperty InputProperty = RegisterPixelShaderSamplerProperty("Input", typeof(SpecklingEffect), 0); | ||
|
|
||
| /// <summary> | ||
| /// Identifies the SpecklingEffect.Density property. | ||
| /// </summary> | ||
| public static readonly DependencyProperty DensityProperty = DependencyProperty.Register("Density", typeof(double), typeof(SpecklingEffect), new UIPropertyMetadata(0.3, PixelShaderConstantCallback(0))); | ||
|
|
||
| /// <summary> | ||
| /// Identifies the SpecklingEffect.Intensity property. | ||
| /// </summary> | ||
| public static readonly DependencyProperty IntensityProperty = DependencyProperty.Register("Intensity", typeof(double), typeof(SpecklingEffect), new UIPropertyMetadata(0.8, PixelShaderConstantCallback(1))); | ||
|
|
||
| /// <summary> | ||
| /// Identifies the SpecklingEffect.Offset property. | ||
| /// </summary> | ||
| public static readonly DependencyProperty OffsetProperty = DependencyProperty.Register("Offset", typeof(double), typeof(SpecklingEffect), new UIPropertyMetadata(0.0, PixelShaderConstantCallback(2))); | ||
|
|
||
| /// <summary> | ||
| /// Identifies the SpecklingEffect.RenderOverTransparent property. | ||
| /// </summary> | ||
| public static readonly DependencyProperty RenderOverTransparentProperty = DependencyProperty.Register("RenderOverTransparent", typeof(bool), typeof(SpecklingEffect), new PropertyMetadata(false, new PropertyChangedCallback(OnRenderOverTransparentPropertyChanged))); | ||
|
|
||
| /// <summary> | ||
| /// Identifies the SpecklingEffect.RenderOverTransparentDouble property. | ||
| /// </summary> | ||
| public static readonly DependencyProperty RenderOverTransparentDoubleProperty = DependencyProperty.Register("RenderOverTransparentDouble", typeof(double), typeof(SpecklingEffect), new UIPropertyMetadata(0.0, PixelShaderConstantCallback(3))); | ||
|
|
||
| #endregion | ||
|
|
||
| #region StaticMethods | ||
|
|
||
| private static void OnRenderOverTransparentPropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args) | ||
| { | ||
| var degrade = obj as SpecklingEffect; | ||
|
|
||
| if (degrade == null) | ||
| return; | ||
|
|
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| degrade.RenderOverTransparentDouble = (bool)args.NewValue ? 1.0 : 0.0; | ||
| } | ||
|
|
||
| #endregion | ||
| } | ||
| } |