public virtual List <ConnectionPoint> GetConnectionPoints()
{
List <ConnectionPoint> connectionPoints = new List <ConnectionPoint>();
if (HasCornerConnections)
{
connectionPoints.Add(new ConnectionPoint(GripType.TopLeft, DisplayRectangle.TopLeft()));
connectionPoints.Add(new ConnectionPoint(GripType.TopRight, DisplayRectangle.TopRight()));
connectionPoints.Add(new ConnectionPoint(GripType.BottomLeft, DisplayRectangle.BottomLeft()));
connectionPoints.Add(new ConnectionPoint(GripType.BottomRight, DisplayRectangle.BottomRight()));
}
if (HasCenterConnections)
{
connectionPoints.Add(new ConnectionPoint(GripType.LeftMiddle, DisplayRectangle.LeftMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.RightMiddle, DisplayRectangle.RightMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.TopMiddle, DisplayRectangle.TopMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.BottomMiddle, DisplayRectangle.BottomMiddle()));
}
if (HasLeftRightConnections)
{
connectionPoints.Add(new ConnectionPoint(GripType.Start, DisplayRectangle.LeftMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.End, DisplayRectangle.RightMiddle()));
}
if (HasTopBottomConnections)
{
connectionPoints.Add(new ConnectionPoint(GripType.Start, DisplayRectangle.TopMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.End, DisplayRectangle.BottomMiddle()));
}
return(connectionPoints);
}
public virtual List <ShapeAnchor> GetAnchors()
{
// draw anchors
List <ShapeAnchor> anchors = new List <ShapeAnchor>();
AnchorBox r;
int anchorSize = 6;
if (HasCornerAnchors) // tai cac canh
{
Point newPoint = new Point();
newPoint = DisplayRectangle.TopLeft();
r = new AnchorBox(DisplayRectangle.TopLeft(), anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.TopLeft, r, Cursors.SizeNWSE));
newPoint = DisplayRectangle.TopRight();
newPoint.Offset(-anchorWidthHeight, 0);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.TopRight, r, Cursors.SizeNESW));
newPoint = DisplayRectangle.BottomLeft();
newPoint.Offset(0, -anchorWidthHeight);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.BottomLeft, r, Cursors.SizeNESW));
newPoint = DisplayRectangle.BottomRight();
newPoint.Offset(-anchorWidthHeight, -anchorWidthHeight);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.BottomRight, r, Cursors.SizeNWSE));
}
if (HasCenterAnchors || HasLeftRightAnchors) // tai trai va phai
{
Point newPoint = DisplayRectangle.LeftMiddle();
newPoint.Offset(0, -anchorWidthHeight / 2);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.LeftMiddle, r, Cursors.SizeWE));
newPoint = DisplayRectangle.RightMiddle();
newPoint.Offset(-anchorWidthHeight, -anchorWidthHeight / 2);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.RightMiddle, r, Cursors.SizeWE));
}
if (HasCenterAnchors || HasTopBottomAnchors) // tai vi tri tren va duoi
{
Point newPoint = new Point();
newPoint = DisplayRectangle.TopMiddle();
newPoint.Offset(-anchorWidthHeight / 2, 0);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.TopMiddle, r, Cursors.SizeNS));
newPoint = DisplayRectangle.BottomMiddle();
newPoint.Offset(-anchorWidthHeight / 2, -anchorWidthHeight);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.BottomMiddle, r, Cursors.SizeNS));
}
return(anchors);
}