private void DatabaseVariable_Updated(object sender, Ao3TrackDatabase.VariableUpdatedEventArgs e)
{
Xamarin.Forms.Device.BeginInvokeOnMainThread(() => {
bool.TryParse(e.NewValue, out useBlur);
if (useBlur)
{
if (IsAttachedToWindow)
{
if (rs == null)
{
rs = RenderScript.Create(Context);
}
if (rs != null)
{
script = ScriptIntrinsicBlur.Create(rs, Android.Renderscripts.Element.U8_4(rs));
}
}
}
else
{
script?.Dispose();
script = null;
sourceCanvas?.Dispose();
sourceCanvas = null;
source?.Dispose();
source = null;
blurred?.Dispose();
blurred = null;
rs?.Dispose();
rs = null;
}
if (Element != null)
{
UpdateBackgroundColor();
}
});
}
protected override void Dispose(bool disposing)
{
if (_isDisposed)
{
return;
}
_isDisposed = true;
BitmapDrawable bitmapDrawable;
if (disposing && Control != null && (bitmapDrawable = (Control.Drawable as BitmapDrawable)) != null)
{
Bitmap bitmap = bitmapDrawable.Bitmap;
if (bitmap != null)
{
bitmap.Recycle();
bitmap.Dispose();
rs.Dispose();
script.Dispose();
}
}
base.Dispose(disposing);
}
public static Bitmap CreateBlurredImageFromBitmap(Context context, int radius, Bitmap image)
{
// Load a clean bitmap and work from that.
Bitmap originalBitmap = image;
if (Build.VERSION.SdkInt >= BuildVersionCodes.JellyBeanMr1)
{
try
{
Bitmap blurredBitmap;
blurredBitmap = Bitmap.CreateBitmap(originalBitmap);
RenderScript rs = RenderScript.Create(context);
Allocation input = Allocation.CreateFromBitmap(rs, originalBitmap, Allocation.MipmapControl.MipmapFull, AllocationUsage.Script);
Allocation output = Allocation.CreateTyped(rs, input.Type);
ScriptIntrinsicBlur script = ScriptIntrinsicBlur.Create(rs, Element.U8_4(rs));
script.SetInput(input);
script.SetRadius(radius);
script.ForEach(output);
output.CopyTo(blurredBitmap);
output.Dispose();
script.Dispose();
input.Dispose();
rs.Dispose();
return(blurredBitmap);
}
catch (Exception)
{
return(originalBitmap);
}
}
else
{
return(originalBitmap);
}
}
protected override void Dispose(bool disposing)
{
if (_disposed)
{
_disposed = true;
if (disposing)
{
_renderScript.Destroy();
_renderScript.Dispose();
_blurScript.Destroy();
_blurScript.Dispose();
if (_outAllocation != null)
{
_outAllocation.Destroy();
_outAllocation.Dispose();
_outAllocation = null;
}
}
}
base.Dispose(disposing);
}
