//-------------------------------------------------------------------
//
// Private Methods
//
//-------------------------------------------------------------------
#region Private Methods
/// <summary>
/// Contains the code common for MeasureOverride and ArrangeOverride.
/// </summary>
/// <param name="inputSize">input size is the parent-provided space that Image should use to "fit in", according to other properties.</param>
/// <returns>Image's desired size.</returns>
private Size MeasureArrangeHelper(Size inputSize)
{
ImageSource imageSource = Source;
Size naturalSize = new Size();
if (imageSource == null)
{
return(naturalSize);
}
try
{
UpdateBaseUri(this, imageSource);
naturalSize = imageSource.Size;
}
catch (Exception e)
{
SetCurrentValue(SourceProperty, null);
RaiseEvent(new ExceptionRoutedEventArgs(ImageFailedEvent, this, e));
}
//get computed scale factor
Size scaleFactor = Viewbox.ComputeScaleFactor(inputSize,
naturalSize,
this.Stretch,
this.StretchDirection);
// Returns our minimum size & sets DesiredSize.
return(new Size(naturalSize.Width * scaleFactor.Width, naturalSize.Height * scaleFactor.Height));
}
// Token: 0x060051B1 RID: 20913 RVA: 0x0016DB5C File Offset: 0x0016BD5C
private Size MeasureArrangeHelper(Size inputSize)
{
MediaPlayer player = this._helper.Player;
if (player == null)
{
return(default(Size));
}
Size contentSize = new Size((double)player.NaturalVideoWidth, (double)player.NaturalVideoHeight);
Size size = Viewbox.ComputeScaleFactor(inputSize, contentSize, this.Stretch, this.StretchDirection);
return(new Size(contentSize.Width * size.Width, contentSize.Height * size.Height));
}
/// <summary>Arranges the content of a <see cref="T:System.Windows.Controls.Viewbox" /> element.</summary>
/// <param name="arrangeSize">The <see cref="T:System.Windows.Size" /> this element uses to arrange its child elements.</param>
/// <returns>
/// <see cref="T:System.Windows.Size" /> that represents the arranged size of this <see cref="T:System.Windows.Controls.Viewbox" /> element and its child elements.</returns>
protected override Size ArrangeOverride(Size arrangeSize)
{
UIElement internalChild = this.InternalChild;
if (internalChild != null)
{
Size desiredSize = internalChild.DesiredSize;
Size size = Viewbox.ComputeScaleFactor(arrangeSize, desiredSize, this.Stretch, this.StretchDirection);
this.InternalTransform = new ScaleTransform(size.Width, size.Height);
internalChild.Arrange(new Rect(default(Point), internalChild.DesiredSize));
arrangeSize.Width = size.Width * desiredSize.Width;
arrangeSize.Height = size.Height * desiredSize.Height;
}
return(arrangeSize);
}
/// <summary>Measures the child elements of a <see cref="T:System.Windows.Controls.Viewbox" /> prior to arranging them during the <see cref="M:System.Windows.Controls.WrapPanel.ArrangeOverride(System.Windows.Size)" /> pass.</summary>
/// <param name="constraint">A <see cref="T:System.Windows.Size" /> limit that <see cref="T:System.Windows.Controls.Viewbox" /> cannot exceed.</param>
/// <returns>The <see cref="T:System.Windows.Size" /> that represents the element size you want.</returns>
protected override Size MeasureOverride(Size constraint)
{
UIElement internalChild = this.InternalChild;
Size result = default(Size);
if (internalChild != null)
{
Size availableSize = new Size(double.PositiveInfinity, double.PositiveInfinity);
internalChild.Measure(availableSize);
Size desiredSize = internalChild.DesiredSize;
Size size = Viewbox.ComputeScaleFactor(constraint, desiredSize, this.Stretch, this.StretchDirection);
result.Width = size.Width * desiredSize.Width;
result.Height = size.Height * desiredSize.Height;
}
return(result);
}
/// <summary>
/// Contains the code common for MeasureOverride and ArrangeOverride.
/// </summary>
/// <param name="inputSize">input size is the parent-provided space that Video should use to "fit in", according to other properties.</param>
/// <returns>MediaElement's desired size.</returns>
private Size MeasureArrangeHelper(Size inputSize)
{
MediaPlayer mediaPlayer = _helper.Player;
if (mediaPlayer == null)
{
return(new Size());
}
Size naturalSize = new Size((double)mediaPlayer.NaturalVideoWidth, (double)mediaPlayer.NaturalVideoHeight);
//get computed scale factor
Size scaleFactor = Viewbox.ComputeScaleFactor(inputSize,
naturalSize,
this.Stretch,
this.StretchDirection);
// Returns our minimum size & sets DesiredSize.
return(new Size(naturalSize.Width * scaleFactor.Width, naturalSize.Height * scaleFactor.Height));
}
// Token: 0x06004E77 RID: 20087 RVA: 0x00160E44 File Offset: 0x0015F044
private Size MeasureArrangeHelper(Size inputSize)
{
ImageSource source = this.Source;
Size size = default(Size);
if (source == null)
{
return(size);
}
try
{
Image.UpdateBaseUri(this, source);
size = source.Size;
}
catch (Exception errorException)
{
base.SetCurrentValue(Image.SourceProperty, null);
base.RaiseEvent(new ExceptionRoutedEventArgs(Image.ImageFailedEvent, this, errorException));
}
Size size2 = Viewbox.ComputeScaleFactor(inputSize, size, this.Stretch, this.StretchDirection);
return(new Size(size.Width * size2.Width, size.Height * size2.Height));
}
