/// <summary>
/// Adds bounds handles to the given node.
/// </summary>
/// <param name="aNode">The node to add bounds handles to.</param>
public static void AddBoundsHandlesTo(PNode aNode)
{
aNode.AddChild(new PBoundsHandle(PBoundsLocator.CreateEastLocator(aNode)));
aNode.AddChild(new PBoundsHandle(PBoundsLocator.CreateWestLocator(aNode)));
aNode.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthLocator(aNode)));
aNode.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthLocator(aNode)));
aNode.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthEastLocator(aNode)));
aNode.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthWestLocator(aNode)));
aNode.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthEastLocator(aNode)));
aNode.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthWestLocator(aNode)));
}
/// <summary>
/// Adds sticky bounds handles (with respect to the given camera) to the specified node.
/// </summary>
/// <param name="aNode">The node to add sticky bounds handles to.</param>
/// <param name="camera">The camera to stick the bounds handles to.</param>
/// <remarks>
/// Sticky bounds handles are not affected by the view transform of the camera. That
/// is, they will remain a constant size as the view is zoomed in and out.
/// </remarks>
public static void AddStickyBoundsHandlesTo(PNode aNode, PCamera camera)
{
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateEastLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateWestLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthEastLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthWestLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthEastLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthWestLocator(aNode)));
}
public override void Initialize()
{
PCanvas c = Canvas;
PActivity updateHandles = new PActivity(-1, 0);
updateHandles.ActivityStepped = new ActivitySteppedDelegate(ActivityStepped);
PPath rect = PPath.CreateRectangle(0, 0, 100, 100);
rect.Brush = Color.Red;
c.Layer.AddChild(rect);
c.Camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthEastLocator(rect)));
c.Camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthWestLocator(rect)));
c.Camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthEastLocator(rect)));
c.Camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthWestLocator(rect)));
c.Root.ActivityScheduler.AddActivity(updateHandles, true);
}