protected void OnChildContentBoundsChanged(object sender, RoutedEventArgs e)
{
DependencyObject dependencySender = sender as DependencyObject;
var contentBounds = Viewport2D.GetContentBounds(dependencySender);
Debug.WriteLine("ContentBounds = " + contentBounds);
RaiseChangedEvent();
}
protected void OnChildContentBoundsChanged(object sender, RoutedEventArgs e)
{
var child = (DependencyObject)sender;
ContentBounds = child.GetValueSync <DataRect>(Viewport2D.ContentBoundsProperty);
DependencyObject dependencySender = sender as DependencyObject;
var contentBounds = Viewport2D.GetContentBounds(dependencySender);
Debug.WriteLine("ContentBounds = " + contentBounds);
RaiseChangedAsync();
}
protected override void OnRender(DrawingContext drawingContext)
{
var dc = drawingContext;
if (plotter == null)
{
return;
}
var transform = plotter.Transform;
var contentBounds = Viewport2D.GetContentBounds(this);
var screenBounds = contentBounds.ViewportToScreen(transform);
dc.DrawImage(whiteNoizeBmp, screenBounds);
}
public override bool Contains(TileIndex id)
{
if (child == null)
{
return(false);
}
var childBounds = Viewport2D.GetContentBounds(child);
var tileBounds = GetTileBounds(id);
bool contains = childBounds.IntersectsWith(tileBounds);
return(contains);
}
private void viewportItemsPanel_ContentBoundsChanged(object sender, EventArgs e)
{
var contentBounds = Viewport2D.GetContentBounds(currentItemsPanel);
var plottedItems = CurrentItemsPanel.Children.OfType <UIElement>()
.Where(x => x.Visibility == Visibility.Visible)
.Where(item => !double.IsNaN(ViewportPanel.GetX(item)) || !double.IsNaN(ViewportPanel.GetY(item)));
if (plottedItems.Any())
{
Viewport2D.SetContentBounds(this, contentBounds);
}
else
{
Viewport2D.SetContentBounds(this, DataRect.Empty);
}
}
protected override void InvalidatePosition(FrameworkElement child)
{
invalidatePositionCalls++;
if (viewport == null)
{
return;
}
if (child.Visibility != Visibility.Visible)
{
return;
}
var transform = viewport.Transform;
Size elementSize = GetElementSize(child, AvailableSize, transform);
child.Measure(elementSize);
Rect bounds = GetElementScreenBounds(transform, child);
child.Arrange(bounds);
var viewportBounds = Viewport2D.GetContentBounds(this);
if (!viewportBounds.IsEmpty)
{
overallViewportBounds = viewportBounds;
}
UniteWithBounds(transform, bounds);
if (!InBatchAdd)
{
Viewport2D.SetContentBounds(this, overallViewportBounds);
ContentBoundsChanged.Raise(this);
}
}
private void viewportItemsPanel_ContentBoundsChanged(object sender, EventArgs e)
{
var contentBounds = Viewport2D.GetContentBounds(currentItemsPanel);
Viewport2D.SetContentBounds(this, contentBounds);
}
private void UpdateContentBounds(DependencyObject source)
{
var contentBounds = Viewport2D.GetContentBounds(source);
Viewport2D.SetContentBounds(this, contentBounds);
}