private async void RunBitmapUpdaterAsync()
{
do
{
await _bitmapUpdateRequired.WaitAsync();
if (_isLoaded)
{
if (_hueRingImage == null)
{
continue;
}
if (_containerGrid.ActualHeight <= 2 * (RingThickness + ThumbBorderThickness) ||
_containerGrid.ActualWidth <= 2 * (RingThickness + ThumbBorderThickness))
{
continue;
}
var hueRingSize = (int)Math.Min(
_containerGrid.ActualWidth - 2 * ThumbBorderThickness,
_containerGrid.ActualHeight - 2 * ThumbBorderThickness);
var wb = new WriteableBitmap(hueRingSize, hueRingSize);
await wb.RenderColorPickerHueRingAsync(hueRingSize / 2 - (int)RingThickness);
_hueRingImage.Source = wb;
}
} while (_isLoaded);
}
