private void CleanUp()
{
effectBrush?.Dispose();
effectFactory?.Dispose();
glassEffect?.Dispose();
}
/// <inheritdoc cref="XamlCompositionBrushBase"/>
protected override void OnDisconnected()
{
if (CompositionBrush != null)
{
_Brush?.Dispose();
_Factory?.Dispose();
_LuminanceEffect?.Dispose();
_InverseEffect?.Dispose();
CompositionBrush = null;
}
base.OnDisconnected();
}
private void UserControl_Unloaded(object sender, RoutedEventArgs e)
{
StopAnimating();
timer.Tick -= Timer_Tick;
compositor.Dispose();
effectBrush.Dispose();
backdropBrush.Dispose();
effectFactory.Dispose();
hostVisual.Dispose();
if (glassVisual != null)
{
glassVisual.Dispose();
}
}
public static void InitializeBlur(UIElement uiElement)
{
Visual hostVisual = ElementCompositionPreview.GetElementVisual(uiElement);
Compositor compositor = hostVisual.Compositor;
string name = "backdropBrush";
GaussianBlurEffect gausianBlur = new GaussianBlurEffect()
{
BlurAmount = 30f,
BorderMode = EffectBorderMode.Hard,
Source = new ArithmeticCompositeEffect()
{
MultiplyAmount = 0,
Source1Amount = 1f,
Source1 = new CompositionEffectSourceParameter(name),
Source2Amount = 0f,
Source2 = new ColorSourceEffect()
{
Color = Color.FromArgb(255, 245, 245, 245)
}
}
};
CompositionEffectFactory effectFactory = compositor.CreateEffectFactory(gausianBlur);
CompositionBackdropBrush backdropBrush = compositor.CreateBackdropBrush();
CompositionEffectBrush effectBrush = effectFactory.CreateBrush();
effectBrush.SetSourceParameter(name, backdropBrush);
SpriteVisual glassVisual = compositor.CreateSpriteVisual();
glassVisual.Brush = effectBrush;
ElementCompositionPreview.SetElementChildVisual(uiElement, glassVisual);
ExpressionAnimation bindSizeAnimation = compositor.CreateExpressionAnimation("hostVisual.Size");
bindSizeAnimation.SetReferenceParameter("hostVisual", hostVisual);
glassVisual.StartAnimation("Size", bindSizeAnimation);
effectFactory.Dispose();
gausianBlur.Dispose();
backdropBrush.Dispose();
}
private void UpdateLightingEffect()
{
if (_effectFactory != null)
{
_effectFactory.Dispose();
_effectFactory = null;
}
_ambientLight.Targets.RemoveAll();
_pointLight.Targets.RemoveAll();
_distantLight.Targets.RemoveAll();
_spotLight.Targets.RemoveAll();
//ComboBoxItem item = LightingSelection.SelectedValue as ComboBoxItem;
//switch ((LightingTypes)item.Tag)
switch (SelectedLight)
{
case LightingTypes.PointDiffuse:
{
//
// Result = Ambient + Diffuse
// Result = (Image) + (.75 * Diffuse color)
//
UpdateLightingEffect_PointDiffuse();
// Set the light coordinate space and add the target
Visual lightRoot = ElementCompositionPreview.GetElementVisual(gvMain);
_pointLight.CoordinateSpace = lightRoot;
_pointLight.Targets.Add(lightRoot);
}
break;
case LightingTypes.PointSpecular:
{
//
// Result = Ambient + Diffuse + Specular
// Result = (Image * .6) + (Image * Diffuse color) + (Specular color)
//
UpdateLightingEffect_PointSpecular();
// Set the light coordinate space and add the target
Visual lightRoot = ElementCompositionPreview.GetElementVisual(gvMain);
_ambientLight.Targets.Add(lightRoot);
_pointLight.CoordinateSpace = lightRoot;
_pointLight.Targets.Add(lightRoot);
}
break;
case LightingTypes.SpotLightDiffuse:
{
//
// Result = Ambient + Diffuse
// Result = Image + (Diffuse color * .75)
//
UpdateLightingEffect_SpotLightDiffuse();
// Set the light coordinate space and add the target
Visual lightRoot = ElementCompositionPreview.GetElementVisual(gvMain);
_spotLight.CoordinateSpace = lightRoot;
_spotLight.Targets.Add(lightRoot);
_spotLight.Direction = new Vector3(0, 0, -1);
};
break;
case LightingTypes.SpotLightSpecular:
{
//
// Result = Ambient + Diffuse + Specular
// Result = (Image * .6) + (Image * Diffuse color) + (Specular color)
//
UpdateLightingEffect_SpotLightSpecular();
// Set the light coordinate space and add the target
Visual lightRoot = ElementCompositionPreview.GetElementVisual(gvMain);
_ambientLight.Targets.Add(lightRoot);
_spotLight.CoordinateSpace = lightRoot;
_spotLight.Targets.Add(lightRoot);
_spotLight.Direction = new Vector3(0, 0, -1);
};
break;
case LightingTypes.DistantDiffuse:
{
//
// Result = Ambient + Diffuse
// Result = (Image) + (.5 * Diffuse color)
//
UpdateLightingEffect_DistantDiffuse();
Visual lightRoot = ElementCompositionPreview.GetElementVisual(gvMain);
_distantLight.CoordinateSpace = lightRoot;
_distantLight.Targets.Add(lightRoot);
};
break;
case LightingTypes.DistantSpecular:
{
//
// Result = Diffuse + Specular
// Result = (Image * Diffuse color) + (Specular color)
//
UpdateLightingEffect_DistantSpecular();
Visual lightRoot = ElementCompositionPreview.GetElementVisual(gvMain);
_distantLight.CoordinateSpace = lightRoot;
_distantLight.Targets.Add(lightRoot);
};
break;
default:
break;
}
//// Update the animations
//UpdateAnimations();
// Update all the image to have the new effect
UpdateEffectBrush(_currentBrushType);
}