protected override void Dispose(bool disposing)
{
if (TextColor != null)
{
TextColor.Dispose();
TextColor = null;
}
if (HighlightColor != null)
{
HighlightColor.Dispose();
HighlightColor = null;
}
if (ButtonTintColor != null)
{
ButtonTintColor.Dispose();
ButtonTintColor = null;
}
if (_HighlightLayer != null)
{
_HighlightLayer.RemoveFromSuperLayer();
_HighlightLayer.Dispose();
}
if (Font != null)
{
Font.Dispose();
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
_disposed = true;
_oldSublayer?.Dispose();
}
base.Dispose(disposing);
}
protected override void OnDetached()
{
if (_visualElement != null)
{
_visualElement.SizeChanged -= OnSizeChanged;
}
if (_view != null)
{
_view.ClipsToBounds = _clipsToBounds;
}
_layer?.RemoveFromSuperLayer();
_layer?.Dispose();
_layer = null;
_view = null;
_visualElement = null;
System.Diagnostics.Debug.WriteLine($"Detached {GetType().Name} from {Element.GetType().FullName}");
}
protected override void Dispose(bool disposing)
{
try
{
if (disposing)
{
GradientLayer?.Dispose();
GradientLayer = null;
ReleaseDesignerOutlets();
}
}
catch (Exception ex)
{
Console.WriteLine($"Error while disposing TabBarController {ex}");
}
finally
{
base.Dispose(disposing);
}
}
private static UIImage GenerateReflection(RectangleF canvasFrame, UIImage canvas, float reflectionY)
{
var reflectionHeight = Util.IsPad() ? 85 : 60;
reflectionHeight = Util.IsPortrait() ? reflectionHeight : reflectionHeight - 20;
// Build reflection and crop the upper image
var reflection0 = BuildCoverFlow(canvas, 1.0f);
var areaWithoutOriginal = new RectangleF(0, canvasFrame.Height, canvasFrame.Width, canvasFrame.Height);
var reflection1 = ImageHelper.Crop(reflection0, areaWithoutOriginal);
var reflection2 = ImageHelper.Crop(reflection1, new RectangleF(0, 0, canvasFrame.Width, reflectionHeight));
reflection0.Dispose();
reflection1.Dispose();
var reflectionFrame = new RectangleF(canvasFrame.X, reflectionY, reflection2.Size.Width, reflection2.Size.Height);
// Create the gradient used for the opacity mask (mask image must have no alpha channel, black is opaque, white is transparent)
var black = UIColor.Black.CGColor;
var white = UIColor.White.CGColor;
CAGradientLayer gradient = new CAGradientLayer();
gradient.Frame = reflectionFrame;
gradient.Colors = new CGColor[] { black, white, white };
// Mask the reflection image
var maskImage = ImageHelper.ImageFromLayer(gradient);
gradient.Dispose();
var reflection3 = ImageHelper.MaskImage(reflection2, maskImage);
reflection2.Dispose();
maskImage.Dispose();
return(reflection3);
}
private static UIImage GenerateReflection(RectangleF canvasFrame, UIImage canvas, float reflectionY)
{
var reflectionHeight = Util.IsPad() ? 85 : 60;
reflectionHeight = Util.IsPortrait() ? reflectionHeight : reflectionHeight - 20;
// Build reflection and crop the upper image
var reflection0 = BuildCoverFlow(canvas, 1.0f);
var areaWithoutOriginal = new RectangleF(0, canvasFrame.Height, canvasFrame.Width, canvasFrame.Height);
var reflection1 = ImageHelper.Crop(reflection0, areaWithoutOriginal);
var reflection2 = ImageHelper.Crop(reflection1, new RectangleF(0, 0, canvasFrame.Width, reflectionHeight));
reflection0.Dispose();
reflection1.Dispose();
var reflectionFrame = new RectangleF(canvasFrame.X, reflectionY, reflection2.Size.Width, reflection2.Size.Height);
// Create the gradient used for the opacity mask (mask image must have no alpha channel, black is opaque, white is transparent)
var black = UIColor.Black.CGColor;
var white = UIColor.White.CGColor;
CAGradientLayer gradient = new CAGradientLayer();
gradient.Frame = reflectionFrame;
gradient.Colors = new CGColor[] { black, white, white };
// Mask the reflection image
var maskImage = ImageHelper.ImageFromLayer(gradient);
gradient.Dispose();
var reflection3 = ImageHelper.MaskImage(reflection2, maskImage);
reflection2.Dispose();
maskImage.Dispose();
return reflection3;
}
