/// <summary>
/// Make sure the cloned polygon does not share any data references with the
/// original polygon.
/// </summary>
/// <param name="env"></param>
/// <returns></returns>
public override GoObject CopyObject(GoCopyDictionary env)
{
GoPolygon goPolygon = (GoPolygon)base.CopyObject(env);
if (goPolygon != null)
{
goPolygon.myPoints = (PointF[])myPoints.Clone();
}
return(goPolygon);
}
/// <summary>
/// Make sure the background polygon is moved along with the text label
/// and shaped so that it points at the anchor.
/// </summary>
/// <param name="childchanged"></param>
public override void LayoutChildren(GoObject childchanged)
{
if (base.Initializing)
{
return;
}
GoText label = Label;
if (label == null)
{
return;
}
GoPolygon goPolygon = Background as GoPolygon;
if (goPolygon != null && childchanged != goPolygon)
{
SizeF topLeftMargin = TopLeftMargin;
SizeF bottomRightMargin = BottomRightMargin;
RectangleF rectangleF = new RectangleF(label.Left - topLeftMargin.Width, label.Top - topLeftMargin.Height, label.Width + topLeftMargin.Width + bottomRightMargin.Width, label.Height + topLeftMargin.Height + bottomRightMargin.Height);
SizeF corner = Corner;
float num = corner.Width;
if (num > rectangleF.Width / 2f)
{
num = rectangleF.Width / 2f;
}
float num2 = corner.Height;
if (num2 > rectangleF.Height / 2f)
{
num2 = rectangleF.Height / 2f;
}
float x = rectangleF.X;
float y = rectangleF.Y;
float x2 = x + num;
float y2 = y + num2;
float num3 = x + rectangleF.Width / 2f;
float num4 = y + rectangleF.Height / 2f;
float x3 = x + rectangleF.Width - num;
float y3 = y + rectangleF.Height - num2;
float num5 = x + rectangleF.Width;
float num6 = y + rectangleF.Height;
RectangleF bounds = goPolygon.Bounds;
bool suspendsUpdates = goPolygon.SuspendsUpdates;
if (!suspendsUpdates)
{
goPolygon.Changing(1412);
}
goPolygon.SuspendsUpdates = true;
goPolygon.ClearPoints();
float num7 = Math.Min(rectangleF.Width - num, BaseWidth);
float num8 = Math.Min(rectangleF.Height - num2, BaseWidth);
float left = label.Left;
float top = label.Top;
float right = label.Right;
float bottom = label.Bottom;
PointF center = label.Center;
PointF pointF = (myTemporaryAnchor == null) ? ComputeAnchorPoint() : myTemporaryAnchor.Center;
label.GetNearestIntersectionPoint(pointF, center, out PointF result);
if (result.Y <= top && result.X < num3)
{
goPolygon.AddPoint(x, y);
goPolygon.AddPoint(pointF);
goPolygon.AddPoint(x + num7, y);
}
else
{
goPolygon.AddPoint(x2, y);
}
if (result.Y <= top && result.X >= num3)
{
goPolygon.AddPoint(num5 - num7, y);
goPolygon.AddPoint(pointF);
goPolygon.AddPoint(num5, y);
}
else
{
goPolygon.AddPoint(x3, y);
}
if ((result.X >= right) & (result.Y < num4))
{
goPolygon.AddPoint(num5, y);
goPolygon.AddPoint(pointF);
goPolygon.AddPoint(num5, y + num8);
}
else
{
goPolygon.AddPoint(num5, y2);
}
if ((result.X >= right) & (result.Y >= num4))
{
goPolygon.AddPoint(num5, num6 - num8);
goPolygon.AddPoint(pointF);
goPolygon.AddPoint(num5, num6);
}
else
{
goPolygon.AddPoint(num5, y3);
}
if (result.Y >= bottom && result.X >= num3)
{
goPolygon.AddPoint(num5, num6);
goPolygon.AddPoint(pointF);
goPolygon.AddPoint(num5 - num7, num6);
}
else
{
goPolygon.AddPoint(x3, num6);
}
if (result.Y >= bottom && result.X < num3)
{
goPolygon.AddPoint(x + num7, num6);
goPolygon.AddPoint(pointF);
goPolygon.AddPoint(x, num6);
}
else
{
goPolygon.AddPoint(x2, num6);
}
if (result.X <= left && result.Y >= num4)
{
goPolygon.AddPoint(x, num6);
goPolygon.AddPoint(pointF);
goPolygon.AddPoint(x, num6 - num8);
}
else
{
goPolygon.AddPoint(x, y3);
}
if (result.X <= left && result.Y < num4)
{
goPolygon.AddPoint(x, y + num8);
goPolygon.AddPoint(pointF);
goPolygon.AddPoint(x, y);
}
else
{
goPolygon.AddPoint(x, y2);
}
goPolygon.SuspendsUpdates = suspendsUpdates;
if (!suspendsUpdates)
{
goPolygon.Changed(1412, 0, null, bounds, 0, null, goPolygon.Bounds);
}
}
}