protected override Size MeasureOverride(Size availableSize)
{
var progress = this.Progress;
if (progress != null)
{
if (!Double.IsInfinity(availableSize.Width))
{
progress.Width = Math.Min(96, Math.Max(8, availableSize.Width * 0.5));
}
if (!Double.IsInfinity(availableSize.Height))
{
progress.Height = Math.Min(96, Math.Max(8, availableSize.Height * 0.5));
}
base.MeasureOverride(availableSize);
_currentSize = NormalizeSize(availableSize);
return(_currentSize);
}
var newSize = new Size(Math.Min(Int16.MaxValue, availableSize.Width), Math.Min(Int16.MaxValue, availableSize.Height));
if (_isHttpSource && BitmapCache.GetSizeLevel(_currentSize) != BitmapCache.GetSizeLevel(newSize))
{
_currentSize = newSize;
RefreshSourceUri(_currentUri);
}
return(base.MeasureOverride(availableSize));
}
private void OnSizeChanged(object sender, SizeChangedEventArgs e)
{
var imageSize = _image.DesiredSize;
if (imageSize.Width > 0 && imageSize.Height > 0)
{
if (_isHttpSource && BitmapCache.GetSizeLevel(_currentSize) != BitmapCache.GetSizeLevel(imageSize))
{
_currentSize = imageSize;
RefreshImage();
}
}
}