private async void Element_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
this.TintColor = MaitLibs.XamarinForms.ImageTintEffect.Shared.TintEffect.GetTintColor(this.Element);
try
{
if (this.effectBrush != null)
{
if (this.TintColor == Color.Transparent)
{
//Turn off tinting - need to redraw brush
effectBrush = null;
spriteVisual = null;
}
else
{
SetTint(GetNativeColor(this.TintColor));
return;
}
}
bool needsResizing = false;
needsResizing =
e.PropertyName == VisualElement.XProperty.PropertyName ||
e.PropertyName == VisualElement.YProperty.PropertyName ||
e.PropertyName == VisualElement.WidthProperty.PropertyName ||
e.PropertyName == VisualElement.HeightProperty.PropertyName ||
e.PropertyName == VisualElement.ScaleProperty.PropertyName ||
e.PropertyName == VisualElement.TranslationXProperty.PropertyName ||
e.PropertyName == VisualElement.TranslationYProperty.PropertyName ||
e.PropertyName == VisualElement.RotationYProperty.PropertyName ||
e.PropertyName == VisualElement.RotationXProperty.PropertyName ||
e.PropertyName == VisualElement.RotationProperty.PropertyName ||
e.PropertyName == VisualElement.AnchorXProperty.PropertyName ||
e.PropertyName == VisualElement.AnchorYProperty.PropertyName;
VisualElement element = this.Element as VisualElement;
if (spriteVisual != null && imageSurface != null && needsResizing)
{
//Resizing Sprite Visual and Image Surface
spriteVisual.Size = new Vector2((float)element.Width, (float)element.Height);
imageSurface.Resize(new Windows.Foundation.Size(element.Width, element.Height));
return;
}
if (e.PropertyName == Xamarin.Forms.Image.SourceProperty.PropertyName || spriteVisual == null || (effectBrush == null && this.TintColor != Color.Transparent))
{
await CreateTintEffectBrushAsync(new Uri($"ms-appx:///{((FileImageSource)(this.Element as Xamarin.Forms.Image).Source).File}"));
}
}
catch (Exception ex)
{
Debug.WriteLine($"Unable to create Tinted Image. Exception: {ex.Message}");
}
}
protected override async void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
try
{
if (effectBrush != null && e.PropertyName == TintedImage.TintColorProperty.PropertyName)
{
if (((TintedImage)Element).TintColor == Color.Transparent)
{
//Turn off tinting - need to redraw brush
effectBrush = null;
spriteVisual = null;
}
else
{
SetTint(GetNativeColor(((TintedImage)Element).TintColor));
return;
}
}
bool needsResizing = e.PropertyName == VisualElement.XProperty.PropertyName ||
e.PropertyName == VisualElement.YProperty.PropertyName ||
e.PropertyName == VisualElement.WidthProperty.PropertyName ||
e.PropertyName == VisualElement.HeightProperty.PropertyName ||
e.PropertyName == VisualElement.ScaleProperty.PropertyName ||
e.PropertyName == VisualElement.TranslationXProperty.PropertyName ||
e.PropertyName == VisualElement.TranslationYProperty.PropertyName ||
e.PropertyName == VisualElement.RotationYProperty.PropertyName ||
e.PropertyName == VisualElement.RotationXProperty.PropertyName ||
e.PropertyName == VisualElement.RotationProperty.PropertyName ||
e.PropertyName == VisualElement.AnchorXProperty.PropertyName ||
e.PropertyName == VisualElement.AnchorYProperty.PropertyName;
if (spriteVisual != null && imageSurface != null && needsResizing)
{
//Resizing Sprite Visual and Image Surface
spriteVisual.Size = new Vector2((float)Element.Width, (float)Element.Height);
imageSurface.Resize(new Size(Element.Width, Element.Height));
return;
}
if (e.PropertyName == Image.SourceProperty.PropertyName || spriteVisual == null || (effectBrush == null && ((TintedImage)Element).TintColor != Color.Transparent))
{
await CreateTintEffectBrushAsync(new Uri($"ms-appx:///{((FileImageSource)Element.Source).File}"));
}
}
catch (Exception ex)
{
Debug.WriteLine($"Unable to create Tinted Image. Exception: {ex.Message}");
}
}
protected async override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
try
{
if (effectBrush != null && e.PropertyName == TintedImage.TintColorProperty.PropertyName)
{
SetTint(GetNativeColor(((TintedImage)Element).TintColor));
return;
}
bool redrawBrush = e.PropertyName == VisualElement.XProperty.PropertyName ||
e.PropertyName == VisualElement.YProperty.PropertyName ||
e.PropertyName == VisualElement.WidthProperty.PropertyName ||
e.PropertyName == VisualElement.HeightProperty.PropertyName ||
e.PropertyName == VisualElement.ScaleProperty.PropertyName ||
e.PropertyName == VisualElement.TranslationXProperty.PropertyName ||
e.PropertyName == VisualElement.TranslationYProperty.PropertyName ||
e.PropertyName == VisualElement.RotationYProperty.PropertyName ||
e.PropertyName == VisualElement.RotationXProperty.PropertyName ||
e.PropertyName == VisualElement.RotationProperty.PropertyName ||
e.PropertyName == VisualElement.AnchorXProperty.PropertyName ||
e.PropertyName == VisualElement.AnchorYProperty.PropertyName;
if (spriteVisual != null && imageSurface != null && redrawBrush)
{
Debug.WriteLine($"Resizing Sprite Visual and Image Surface for {e.PropertyName} Property");
spriteVisual.Size = new Vector2((float)Element.Width, (float)Element.Height);
imageSurface.Resize(new Size(Element.Width, Element.Height));
return;
}
if ((spriteVisual == null && effectBrush == null) || e.PropertyName == Image.SourceProperty.PropertyName)
{
await CreateTintEffectBrushAsync(new Uri($"ms-appx:///{((FileImageSource)Element.Source).File}"));
}
}
catch (Exception ex)
{
Debug.WriteLine($"Unable to create Tinted Image. Exception: {ex.Message}");
}
}