private static void GetActiveEffects(IGraphicsEffectSource effectSource, List <Type> typesSeen)
{
// Record this node if it is an IGraphicsEffect.
IGraphicsEffect effect = effectSource as IGraphicsEffect;
if (effect != null)
{
typesSeen.Add(effect.GetType());
foreach (var property in effect.GetType().GetRuntimeProperties())
{
if (property.PropertyType == typeof(IGraphicsEffectSource))
{
// Recurse into any source properties that could themselves be effects.
var source = (IGraphicsEffectSource)property.GetValue(effect);
GetActiveEffects(source, typesSeen);
}
else if (property.PropertyType == typeof(IList <IGraphicsEffectSource>))
{
// Recurse into any array source properties.
var sources = (IList <IGraphicsEffectSource>)property.GetValue(effect);
foreach (var source in sources)
{
GetActiveEffects(source, typesSeen);
}
}
}
}
}
public override void DrawEffect(IGraphicsEffectSource eff, CanvasDrawingSession session)
{
var gb = new GaussianBlurEffect()
{
Source = eff,
BlurAmount = PenAttribute.BlurAmount
};
session.DrawImage(gb, Bounds, Bounds);
}
public void ConfigureDissolve(float dissolveFactor, IGraphicsEffectSource source)
{
dissolveFactor = 0.5f * ((float)Math.Tanh((4f * dissolveFactor) - 2f) + 1);
if (dissolveFactor > 1f)
{
dissolveFactor = 1f;
}
_dissolveEffect.Properties["dissolveAmount"] = 1 - dissolveFactor;
_dissolveEffect.Source1 = source;
}
public static ICanvasImage CreateContrastEffect(IGraphicsEffectSource loadedImage, Slider valueSlider)
{
valueSlider.Minimum = -1;
valueSlider.Maximum = 1;
valueSlider.StepFrequency = 0.1;
var brightnessEffect = new ContrastEffect
{
Source = loadedImage,
Contrast = 0
};
return(brightnessEffect);
}
public static ICanvasImage CreateExposureEffect(IGraphicsEffectSource loadedImage, Slider valueSlider)
{
valueSlider.Minimum = -2;
valueSlider.Maximum = 2;
valueSlider.StepFrequency = 0.2;
var brightnessEffect = new ExposureEffect
{
Source = loadedImage,
Exposure = 0
};
return(brightnessEffect);
}
Transform2DEffect CreateShadowEffect(IGraphicsEffectSource source, ShadowParam param)
{
return(new Transform2DEffect
{
Source = new Transform2DEffect
{
Source = new ShadowEffect
{
BlurAmount = param.Blur,
ShadowColor = Color.FromArgb(param.Alpha, 0, 0, 0),
Source = source
},
},
});
}
public static async Task <IGraphicsEffect> ConcatenateEffectWithTintAndBorderAsync(
[NotNull] Compositor compositor,
[NotNull] IGraphicsEffectSource source, [NotNull] IDictionary <String, CompositionBrush> parameters,
Color color, float colorMix,
[CanBeNull] CanvasControl canvas, [NotNull] Uri uri, int timeThreshold = 1000, bool reload = false)
{
// Setup the tint effect
ArithmeticCompositeEffect tint = new ArithmeticCompositeEffect
{
MultiplyAmount = 0,
Source1Amount = 1 - colorMix,
Source2Amount = colorMix, // Mix the background with the desired tint color
Source1 = source,
Source2 = new ColorSourceEffect {
Color = color
}
};
// Get the noise brush using Win2D
CompositionSurfaceBrush noiseBitmap = canvas == null
? await LoadWin2DSurfaceBrushFromImageAsync(compositor, uri, reload)
: await LoadWin2DSurfaceBrushFromImageAsync(compositor, canvas, uri, timeThreshold, reload);
// Make sure the Win2D brush was loaded correctly
if (noiseBitmap != null)
{
// Layer 4 - Noise effect
BorderEffect borderEffect = new BorderEffect
{
ExtendX = CanvasEdgeBehavior.Wrap,
ExtendY = CanvasEdgeBehavior.Wrap,
Source = new CompositionEffectSourceParameter(nameof(noiseBitmap))
};
BlendEffect blendEffect = new BlendEffect
{
Background = tint,
Foreground = borderEffect,
Mode = BlendEffectMode.Overlay
};
parameters.Add(nameof(noiseBitmap), noiseBitmap);
return(blendEffect);
}
return(tint);
}
private static void GetActiveEffects(IGraphicsEffectSource effectSource, List<Type> typesSeen)
{
// Record this node if it is an IGraphicsEffect.
IGraphicsEffect effect = effectSource as IGraphicsEffect;
if (effect != null)
{
typesSeen.Add(effect.GetType());
foreach (var property in effect.GetType().GetRuntimeProperties())
{
if (property.PropertyType == typeof(IGraphicsEffectSource))
{
// Recurse into any source properties that could themselves be effects.
var source = (IGraphicsEffectSource)property.GetValue(effect);
GetActiveEffects(source, typesSeen);
}
else if (property.PropertyType == typeof(IList<IGraphicsEffectSource>))
{
// Recurse into any array source properties.
var sources = (IList<IGraphicsEffectSource>)property.GetValue(effect);
foreach (var source in sources)
{
GetActiveEffects(source, typesSeen);
}
}
}
}
}
public static PipelineBuilder FromEffect(IGraphicsEffectSource effect)
{
return(new PipelineBuilder(() => new ValueTask <IGraphicsEffectSource>(effect)));
}
public abstract void DrawEffect(IGraphicsEffectSource eff, CanvasDrawingSession session);
public GaussianBlurEffect(IGraphicsEffectSource source) : base(source)
{
}
public ICanvasEffect GenerateEffect(IGraphicsEffectSource source)
{
return(new TableTransferEffect {
AlphaDisable = true, RedTable = redTable, GreenTable = greenTable, BlueTable = blueTable, Source = source
});
}
/// <summary>
/// Creates a new wrapper instance with the given parameters
/// </summary>
/// <param name="pipeline">The current effects pipeline</param>
/// <param name="brush">The host backdrop brush instance</param>
public HostBackdropInstanceWrapper(IGraphicsEffectSource pipeline, CompositionBackdropBrush brush)
{
Pipeline = pipeline;
Brush = brush;
}
public ICanvasEffect GenerateEffect(IGraphicsEffectSource source)
{
return(new TableTransfer3DEffect {
Table = table, Source = source
});
}
public SaturationEffect(IGraphicsEffectSource source) : base(source)
{
}
Transform2DEffect CreateShadowEffect(IGraphicsEffectSource source, ShadowParam param)
{
return new Transform2DEffect
{
Source = new Transform2DEffect
{
Source = new ShadowEffect
{
BlurAmount = param.Blur,
ShadowColor = Color.FromArgb(param.Alpha, 0, 0, 0),
Source = source
},
},
};
}
