public virtual PActivity DirectCameraViewToFocus(PCamera aCamera, PNode aFocusNode, PPickPath path, int duration) {
			PMatrix originalViewMatrix = aCamera.ViewMatrix;

			// Scale the canvas to include
			SizeF s = new SizeF(1, 0);
			s = aFocusNode.GlobalToLocal(s);
		
			float scaleFactor = s.Width / aCamera.ViewScale;
			PointF scalePoint = PUtil.CenterOfRectangle(aFocusNode.GlobalFullBounds);
			if (scaleFactor != 1) {
				aCamera.ScaleViewBy(scaleFactor, scalePoint.X, scalePoint.Y);
			}
		
			// Pan the canvas to include the view bounds with minimal canvas
			// movement.
			aCamera.AnimateViewToPanToBounds(aFocusNode.GlobalFullBounds, 0);

			// Get rid of any white space. The canvas may be panned and
			// zoomed in to do this. But make sure not stay constrained by max
			// magnification.
			//FillViewWhiteSpace(aCamera);

			PMatrix resultingMatrix = aCamera.ViewMatrix;
			aCamera.ViewMatrix = originalViewMatrix;

			// Animate the canvas so that it ends up with the given
			// view transform.
			PActivity animateCameraViewActivity = AnimateCameraViewMatrixTo(aCamera, resultingMatrix, duration);

			PControl controlNode = (PControl)aFocusNode;
			aCamera.Root.WaitForActivities();

			controlNode.CurrentCanvas = path.TopCamera.Canvas;
			PointF pf = path.GetPathTransformTo(controlNode).Transform(new PointF(controlNode.X, controlNode.Y));
			controlNode.ControlLocation = new Point((int)pf.X, (int)pf.Y);

			controlNode.Editing = true;

			return animateCameraViewActivity;
		}
Example #2
0
		/// <summary>
		/// Overridden.  Performs picking in canvas coordinates if <see cref="PickMode">PickMode</see>
		/// is false.
		/// </summary>
		/// <remarks>
		/// Due to the implementation of the GraphicsPath object, picking in canvas coordinates
		/// is more accurate, but will introduce a significant performance hit.
		/// </remarks>
		protected override bool PickAfterChildren(PPickPath pickPath) {
			if (pickMode == PathPickMode.Fast) {
				return base.PickAfterChildren(pickPath);
			} else {
				return Intersects(pickPath.PickBounds,  pickPath.GetPathTransformTo(this));
			}
		}