private void ApplyShapeLabelStrategy(D2DShape shape)
{
if (this.shapeLabelLayoutStrategyCache == null)
{
return;
}
var context = new MapShapeLabelLayoutContext()
{
Shape = shape.Model as IMapShape,
ZoomLevel = this.Owner.ZoomLevel,
Label = shape.Label.Text,
Center = this.Owner.Center,
RenderLocationOrigin = new Point(0.5, 0.5)
};
this.shapeLabelLayoutStrategyCache.Process(context, this);
shape.LabelVisibility = context.Visibility;
if (context.RenderLocation.HasValue)
{
var position = this.Owner.ConvertGeographicToPixelCoordinate(context.RenderLocation.Value);
shape.LabelRenderPosition = position;
}
if (context.RenderLocationOrigin.HasValue)
{
shape.LabelRenderPositionOrigin = context.RenderLocationOrigin.Value;
}
}
/// <summary>
/// Performs the core logic behind the <see cref="Process"/> routine.
/// </summary>
/// <param name="context"></param>
/// <param name="container"></param>
protected virtual void ProcessCore(MapShapeLabelLayoutContext context, MapShapeLayer container)
{
}
/// <summary>
/// Applies the custom layout logic given the provided layout context and layer.
/// </summary>
/// <param name="context"></param>
/// <param name="container"></param>
public void Process(MapShapeLabelLayoutContext context, MapShapeLayer container)
{
this.ProcessCore(context, container);
}
