/// <summary>
/// Ensure a point on the diagram is visible.
/// </summary>
/// <param name="point">Relative point in pixels</param>
public void EnsurePointVisible(Point point)
{
PointD zeroPoint = myClientView.DeviceToWorld(new Point(0, 0));
PointD worldPoint = myClientView.DeviceToWorld(point);
myClientView.EnsureVisible(new RectangleD(new PointD(worldPoint.X - zeroPoint.X, worldPoint.Y - zeroPoint.Y), new SizeD(1d, 1d)));
SendKeys.Flush();
}
private PointD ImageToDiagram(Point imagePoint)
{
Debug.Assert(Enabled);
if (Enabled)
{
var s = DiagramClientView.DeviceToWorld(
new Size(
(int)(imagePoint.X / _imageScale),
(int)(imagePoint.Y / _imageScale)));
return(new PointD(s.Width, s.Height));
}
else
{
return(PointD.Empty);
}
}
/// <summary>
/// Helper function for TranslateAccessibleObject and EnsureAccessibleObjectVisible
/// </summary>
private DiagramItem TranslateAccessibleObjectToDiagramItem(AccessibleObject accessibleObject, bool returnShape)
{
if (accessibleObject == null)
{
return(null);
}
DiagramItem hitItem = null;
DiagramClientView clientView = myClientView;
DiagramHitTestInfo hitInfo = new DiagramHitTestInfo(clientView);
RectangleD boundsD = clientView.DeviceToWorld(clientView.RectangleToClient(accessibleObject.Bounds));
if (clientView.Diagram.DoHitTest(boundsD.Center, hitInfo, false))
{
hitItem = hitInfo.HitDiagramItem;
if (!returnShape)
{
// Wind back out the parent stack if the hit test went too far
if (hitItem.SubField != null)
{
if (!(accessibleObject is SubfieldAccessibleObject))
{
if (!(accessibleObject is FieldAccessibleObject))
{
hitItem = new DiagramItem(hitItem.Shape);
}
else
{
hitItem = new DiagramItem(hitItem.Shape, hitItem.Field);
}
}
}
else if (hitItem.Field != null && !(accessibleObject is FieldAccessibleObject))
{
hitItem = new DiagramItem(hitItem.Shape);
}
}
}
return(hitItem);
}