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Set AffectsRender flag on MapPanel.ViewportPosition property, fixed Map.ZoomMap method.

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ClemensF 2012-09-29 15:03:59 +02:00
parent 5760471c1c
commit e8b29be79e
2 changed files with 9 additions and 5 deletions
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8
MapControl/Map.cs
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@ -405,6 +405,7 @@ namespace MapControl
UpdateTransform();
}
ResetTransformOrigin();
TranslateMap(translation);
}
@ -414,8 +415,13 @@ namespace MapControl
/// </summary>
public void ZoomMap(Point origin, double zoomLevel)
{
SetTransformOrigin(origin);
double targetZoomLebel = TargetZoomLevel;
TargetZoomLevel = zoomLevel;
if (TargetZoomLevel != targetZoomLebel) // TargetZoomLevel might be coerced
{
SetTransformOrigin(origin);
}
}
/// <summary>

6
MapControl/MapPanel.cs
View file

@ -22,7 +22,7 @@ namespace MapControl
private static readonly DependencyPropertyKey ViewportPositionPropertyKey = DependencyProperty.RegisterAttachedReadOnly(
"ViewportPosition", typeof(Point?), typeof(MapPanel),
new FrameworkPropertyMetadata(ViewportPositionPropertyChanged));
new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.AffectsRender, ViewportPositionPropertyChanged));
public static readonly DependencyProperty ViewportPositionProperty = ViewportPositionPropertyKey.DependencyProperty;
@ -93,15 +93,13 @@ namespace MapControl
protected virtual void OnViewportChanged()
{
Map parentMap = ParentMap;
foreach (UIElement element in InternalChildren)
{
Location location = GetLocation(element);
if (location != null)
{
SetViewportPosition(element, parentMap, location);
SetViewportPosition(element, ParentMap, location);
}
}
}