public void SetElement(IMaterialVisualElement oldElement, IMaterialVisualElement newElement)
{
if (oldElement != null)
{
_context = null;
oldElement.PropertyChanged -= _propertyChangedHandler;
oldElement.InvalidateGradientRequested -= InvalidateGradientsRequested;
}
_backgroundElement = newElement;
if (newElement == null)
{
return;
}
_context = _renderer.View.Context;
newElement.PropertyChanged += _propertyChangedHandler;
newElement.InvalidateGradientRequested += InvalidateGradientsRequested;
if (oldElement == null)
{
UpdateElevation();
UpdateTranslationZ();
UpdateGradients();
UpdateBorder();
UpdateCornerRadius();
return;
}
var eps = Math.Pow(10, -10);
if (Math.Abs(oldElement.Elevation - newElement.Elevation) > eps)
{
UpdateElevation();
}
if (Math.Abs(oldElement.TranslationZ - newElement.TranslationZ) > eps)
{
UpdateTranslationZ();
}
if (Math.Abs(oldElement.Angle - newElement.Angle) > eps ||
oldElement.GradientType != newElement.GradientType ||
oldElement.Gradients.AreEqual(newElement.Gradients))
{
UpdateGradients();
}
if (oldElement.BorderColor != newElement.BorderColor ||
Math.Abs(oldElement.BorderWidth - newElement.BorderWidth) > eps)
{
UpdateBorder();
}
if (oldElement.CornerRadius != newElement.CornerRadius)
{
UpdateCornerRadius();
}
}
public void SetElement(IMaterialVisualElement oldElement, IMaterialVisualElement newElement)
{
if (oldElement != null)
{
oldElement.PropertyChanged -= _propertyChangedHandler;
oldElement.InvalidateGradientRequested -= InvalidateGradientsRequested;
}
_backgroundElement = newElement;
if (newElement == null)
{
return;
}
newElement.PropertyChanged += _propertyChangedHandler;
newElement.InvalidateGradientRequested += InvalidateGradientsRequested;
if (oldElement == null)
{
UpdateClipToBounds();
InvalidateLayer();
return;
}
var eps = Math.Pow(10, -10);
if (Math.Abs(oldElement.Elevation - newElement.Elevation) > eps)
{
UpdateElevation();
}
if (Math.Abs(oldElement.Angle - newElement.Angle) > eps ||
oldElement.GradientType != newElement.GradientType ||
oldElement.Gradients.AreEqual(newElement.Gradients))
{
UpdateGradients();
}
if (oldElement.BorderColor != newElement.BorderColor ||
Math.Abs(oldElement.BorderWidth - newElement.BorderWidth) > eps)
{
UpdateBorder();
}
if (oldElement.CornerRadius != newElement.CornerRadius)
{
UpdateCornerRadius();
}
if (oldElement is Layout oldLayout &&
newElement is Layout newLayout &&
oldLayout.IsClippedToBounds != newLayout.IsClippedToBounds)
{
UpdateClipToBounds();
}
}
public GradientStrokeDrawable(double density, IMaterialVisualElement background = null)
{
Initialize();
_density = density;
if (background == null)
{
return;
}
SetColor(background.Color);
SetCornerRadius(background.CornerRadius);
SetStroke(background.BorderWidth, background.BorderColor);
SetDashedStroke(background.DashWidth, background.DashGap);
SetGradient(background.GradientBrush?.Gradients, background.GradientBrush?.Angle ?? 0);
SetBorderGradient(background.BorderGradientBrush?.Gradients, background.BorderGradientBrush?.Angle ?? 0);
}
public GradientStrokeDrawable(IPathProvider pathProvider, IMaterialVisualElement background = null) : base(new RectShape())
{
_dirty = true;
_pathDirty = true;
_clipPath = new Path();
_density = BackgroundKit.Density;
_pathProvider = pathProvider;
if (background == null)
{
return;
}
SetColor(background.Color);
SetStroke(background.BorderWidth, background.BorderColor);
SetDashedStroke(background.DashWidth, background.DashGap);
SetGradient(background.GradientBrush);
SetBorderGradient(background.BorderGradientBrush);
}
public void SetBackgroundElement(IMaterialVisualElement oldMaterialElement, IMaterialVisualElement newMaterialElement)
{
if (oldMaterialElement != null)
{
oldMaterialElement.PropertyChanged -= OnBackgroundPropertyChanged;
oldMaterialElement.InvalidateGradientRequested -= InvalidateGradientsRequested;
oldMaterialElement.InvalidateBorderGradientRequested -= InvalidateBorderGradientsRequested;
}
_backgroundElement = newMaterialElement;
if (newMaterialElement == null)
{
return;
}
newMaterialElement.PropertyChanged += OnBackgroundPropertyChanged;
newMaterialElement.InvalidateGradientRequested += InvalidateGradientsRequested;
newMaterialElement.InvalidateBorderGradientRequested += InvalidateBorderGradientsRequested;
if (oldMaterialElement == null)
{
_renderer.NativeView.FindLayerOfType <GradientStrokeLayer>();
UpdateColor();
UpdateGradients();
UpdateBorder();
UpdateElevation();
UpdateShadowColor();
UpdateCornerRadius();
UpdateRipple();
InvalidateShape();
if (!(_visualElement is MaterialShapeView))
{
SetShape(null, false);
}
return;
}
var eps = Math.Pow(10, -10);
if (oldMaterialElement.Color != newMaterialElement.Color)
{
UpdateColor();
}
if (oldMaterialElement.ShadowColor != newMaterialElement.ShadowColor)
{
UpdateShadowColor();
}
if (Math.Abs(oldMaterialElement.Elevation - newMaterialElement.Elevation) > eps)
{
UpdateElevation();
}
if (oldMaterialElement.GradientBrush != newMaterialElement.GradientBrush)
{
UpdateGradients();
}
if (oldMaterialElement.BorderColor != newMaterialElement.BorderColor ||
Math.Abs(oldMaterialElement.BorderWidth - newMaterialElement.BorderWidth) > eps ||
oldMaterialElement.BorderGradientBrush != newMaterialElement.BorderGradientBrush)
{
UpdateBorder();
}
if (oldMaterialElement.CornerRadius != newMaterialElement.CornerRadius)
{
UpdateCornerRadius();
}
InvalidateShape();
}
private void UpdateBackground(IMaterialVisualElement oldBackground, IMaterialVisualElement newBackground)
{
_backgroundManager?.SetBackgroundElement(oldBackground, newBackground);
}
public void SetBackgroundElement(IMaterialVisualElement oldElement, IMaterialVisualElement newElement)
{
if (oldElement != null)
{
oldElement.PropertyChanged -= OnRendererPropertyChanged;
oldElement.InvalidateGradientRequested -= InvalidateGradientsRequested;
oldElement.InvalidateBorderGradientRequested -= InvalidateBorderGradientsRequested;
}
_backgroundElement = newElement;
if (newElement == null)
{
return;
}
newElement.PropertyChanged += OnRendererPropertyChanged;
newElement.InvalidateGradientRequested += InvalidateGradientsRequested;
newElement.InvalidateBorderGradientRequested += InvalidateBorderGradientsRequested;
if (oldElement == null)
{
UpdateBackground();
UpdateElevation();
UpdateShadowColor();
UpdateTranslationZ();
if (!(_visualElement is MaterialShapeView))
{
SetShape(null, false);
}
return;
}
var eps = Math.Pow(10, -10);
if (oldElement.ShadowColor != newElement.ShadowColor)
{
UpdateShadowColor();
}
if (oldElement.Color != newElement.Color)
{
UpdateColor();
}
if (Math.Abs(oldElement.Elevation - newElement.Elevation) > eps)
{
UpdateElevation();
}
if (Math.Abs(oldElement.TranslationZ - newElement.TranslationZ) > eps)
{
UpdateTranslationZ();
}
if (oldElement.GradientBrush != newElement.GradientBrush)
{
UpdateGradients();
}
if (oldElement.BorderColor != newElement.BorderColor ||
oldElement.BorderStyle != newElement.BorderStyle ||
Math.Abs(oldElement.BorderWidth - newElement.BorderWidth) > eps ||
oldElement.BorderGradientBrush != newElement.BorderGradientBrush)
{
UpdateBorder();
}
if (oldElement.CornerRadius != newElement.CornerRadius)
{
UpdateCornerRadius();
}
if (oldElement.RippleColor != newElement.RippleColor ||
oldElement.IsRippleEnabled != newElement.IsRippleEnabled)
{
UpdateRipple();
}
}
public Builder SetMaterialElement(IMaterialVisualElement materialVisualElement)
{
_materialVisualElement = materialVisualElement;
return(this);
}
