protected override object CreateTileBrush(BaseFrameworkElement element)
{
Visual visual1 = element.Visual != null ? element.Visual.PlatformSpecificObject as Visual : (Visual)null;
if (visual1 == null)
{
return((object)null);
}
foreach (Visual visual2 in ElementUtilities.GetVisualTree(visual1))
{
if (MakeDrawingBrushCommand.IsMediaElementInstance(visual2))
{
this.showDrawingVideoWarning = true;
break;
}
}
Drawing drawing = MakeDrawingBrushCommand.SimplifyDrawing(MakeDrawingBrushCommand.CreateDrawing(visual1, false), Path.GetDirectoryName(this.SceneViewModel.ProjectContext.ProjectPath));
DrawingBrush drawingBrush = new DrawingBrush();
if (drawing != null)
{
drawingBrush.Drawing = drawing;
UIElement uiElement = visual1 as UIElement;
if (uiElement != null)
{
drawingBrush.Viewbox = new Rect(uiElement.RenderSize);
drawingBrush.ViewboxUnits = BrushMappingMode.Absolute;
}
}
return((object)drawingBrush);
}
private static Drawing CreateDrawing(Visual visual, bool includeTransform)
{
DrawingGroup drawingGroup = new DrawingGroup();
System.Windows.Media.Geometry clip = VisualTreeHelper.GetClip(visual);
if (clip != null)
{
drawingGroup.ClipGeometry = clip;
}
if (includeTransform)
{
Transform transform = VisualTreeHelper.GetTransform(visual);
Vector offset = VisualTreeHelper.GetOffset(visual);
Matrix matrix = transform == null ? Matrix.Identity : transform.Value;
matrix.Translate(offset.X, offset.Y);
if (!matrix.IsIdentity)
{
drawingGroup.Transform = (Transform) new MatrixTransform(matrix);
}
}
double opacity = VisualTreeHelper.GetOpacity(visual);
if (opacity != 1.0)
{
drawingGroup.Opacity = opacity;
}
Brush opacityMask = VisualTreeHelper.GetOpacityMask(visual);
if (opacityMask != null)
{
drawingGroup.OpacityMask = opacityMask;
}
BitmapEffect bitmapEffect = VisualTreeHelper.GetBitmapEffect(visual);
if (bitmapEffect != null)
{
drawingGroup.BitmapEffect = bitmapEffect;
}
BitmapEffectInput bitmapEffectInput = VisualTreeHelper.GetBitmapEffectInput(visual);
if (bitmapEffectInput != null && (!bitmapEffectInput.AreaToApplyEffect.IsEmpty || bitmapEffectInput.Input != BitmapEffectInput.ContextInputSource))
{
drawingGroup.BitmapEffectInput = bitmapEffectInput;
}
Drawing drawing1;
if (MakeDrawingBrushCommand.IsMediaElementInstance(visual))
{
Rect bounds = VisualTreeHelper.GetDrawing(visual).Bounds;
drawing1 = (Drawing) new VideoDrawing()
{
Rect = bounds
};
}
else
{
drawing1 = (Drawing)VisualTreeHelper.GetDrawing(visual);
}
if (drawing1 != null)
{
drawingGroup.Children.Add(drawing1);
}
for (int childIndex = 0; childIndex < VisualTreeHelper.GetChildrenCount((DependencyObject)visual); ++childIndex)
{
Visual visual1 = VisualTreeHelper.GetChild((DependencyObject)visual, childIndex) as Visual;
if (visual1 != null)
{
Drawing drawing2 = MakeDrawingBrushCommand.CreateDrawing(visual1, true);
if (drawing2 != null)
{
drawingGroup.Children.Add(drawing2);
}
}
}
if (drawingGroup.Children.Count == 0)
{
return((Drawing)null);
}
if (drawingGroup.Children.Count == 1 && drawingGroup.ClipGeometry == null && (drawingGroup.Transform == null || drawingGroup.Transform.Value.IsIdentity) && (drawingGroup.Opacity == 1.0 && drawingGroup.OpacityMask == null && drawingGroup.BitmapEffect == null))
{
return(drawingGroup.Children[0]);
}
return((Drawing)drawingGroup);
}
