/// <summary>
/// Performs hit testing for rectangle bounds, in client coordinates</summary>
/// <param name="pickRect">Pick rectangle, in client coordinates</param>
/// <returns>Items that overlap with the rectangle, in client coordinates</returns>
public virtual IEnumerable <object> Pick(Rectangle pickRect)
{
Matrix3x2F invXform = Matrix3x2F.Invert(m_d2dGraphics.Transform);
RectangleF rect = D2dUtil.Transform(invXform, pickRect);
return(m_renderer.Pick(m_graph, rect, m_d2dGraphics));
}
/// <summary>
/// Gets a bounding rectangle for the items, in client coordinates</summary>
/// <param name="items">Items to bound</param>
/// <returns>Bounding rectangle for the items, in client coordinates</returns>
public virtual Rectangle GetBounds(IEnumerable <object> items)
{
RectangleF bounds = m_renderer.GetBounds(items.AsIEnumerable <TNode>(), m_d2dGraphics);
bounds = D2dUtil.Transform(m_d2dGraphics.Transform, bounds);
return(Rectangle.Truncate(bounds));
}
/// <summary>
/// Performs hit testing for rectangle bounds, in client coordinates</summary>
/// <param name="pickRect">Pick rectangle, in client coordinates</param>
/// <returns>Items that overlap with the rectangle, in client coordinates</returns>
public override IEnumerable <object> Pick(Rectangle pickRect)
{
#if CS_4
Matrix3x2F invXform = Matrix3x2F.Invert(m_d2dGraphics.Transform);
RectangleF rect = D2dUtil.Transform(invXform, pickRect);
IEnumerable <object> pickedGraphNodes = base.Pick(pickRect);
#else
// workaround a C#3 compiler bug( CS1911 warning)
Matrix3x2F invXform = Matrix3x2F.Invert(m_d2dGraphics.Transform);
RectangleF rect = D2dUtil.Transform(invXform, pickRect);
List <object> pickedGraphNodes = new List <object>();
foreach (TNode node in m_graph.Nodes)
{
RectangleF nodeBounds = m_renderer.GetBounds(node, m_d2dGraphics); // in graph space
if (nodeBounds.IntersectsWith(rect))
{
pickedGraphNodes.Add(node);
}
}
#endif
foreach (var pickedGraphNode in pickedGraphNodes)
{
yield return(pickedGraphNode);
}
var pickedFloatingPins = new List <object>();
var circuiElement = m_graph.Cast <ICircuitElementType>();
foreach (var pin in circuiElement.Inputs)
{
var grpPIn = pin.Cast <ICircuitGroupPin <TNode> >();
RectangleF nodeBounds = m_renderer.GetBounds(grpPIn, true, m_d2dGraphics);
if (nodeBounds.IntersectsWith(rect))
{
pickedFloatingPins.Add(pin);
}
}
foreach (var pin in circuiElement.Outputs)
{
var grpPIn = pin.Cast <ICircuitGroupPin <TNode> >();
RectangleF nodeBounds = m_renderer.GetBounds(grpPIn, false, m_d2dGraphics);
if (nodeBounds.IntersectsWith(rect))
{
pickedFloatingPins.Add(pin);
}
}
foreach (var floatingPin in pickedFloatingPins)
{
yield return(floatingPin);
}
}