public int AddCallout(string name, string text, CalloutStyle style, double x, double y, double width, double height)
{
CalloutAnnotation calloutAnnotation = new CalloutAnnotation();
if (name.Length > 0)
{
calloutAnnotation.Name = name;
}
calloutAnnotation.X = x;
calloutAnnotation.Y = y;
calloutAnnotation.Width = width;
calloutAnnotation.Height = height;
calloutAnnotation.Text = text;
calloutAnnotation.CalloutStyle = style;
return(base.List.Add(calloutAnnotation));
}
private bool LineIntersectRectangle(RectangleF rect, PointF point1, PointF point2)
{
if (point1.X == point2.X)
{
if (point1.X >= rect.X && point1.X <= rect.Right)
{
if (point1.Y < rect.Y && point2.Y < rect.Y)
{
return(false);
}
if (point1.Y > rect.Bottom && point2.Y > rect.Bottom)
{
return(false);
}
return(true);
}
return(false);
}
if (point1.Y == point2.Y)
{
if (point1.Y >= rect.Y && point1.Y <= rect.Bottom)
{
if (point1.X < rect.X && point2.X < rect.X)
{
return(false);
}
if (point1.X > rect.Right && point2.X > rect.Right)
{
return(false);
}
return(true);
}
return(false);
}
if (point1.X < rect.X && point2.X < rect.X)
{
return(false);
}
if (point1.X > rect.Right && point2.X > rect.Right)
{
return(false);
}
if (point1.Y < rect.Y && point2.Y < rect.Y)
{
return(false);
}
if (point1.Y > rect.Bottom && point2.Y > rect.Bottom)
{
return(false);
}
if (rect.Contains(point1) || rect.Contains(point2))
{
return(true);
}
PointF intersectionY = CalloutAnnotation.GetIntersectionY(point1, point2, rect.Y);
if (rect.Contains(intersectionY))
{
return(true);
}
intersectionY = CalloutAnnotation.GetIntersectionY(point1, point2, rect.Bottom);
if (rect.Contains(intersectionY))
{
return(true);
}
intersectionY = CalloutAnnotation.GetIntersectionX(point1, point2, rect.X);
if (rect.Contains(intersectionY))
{
return(true);
}
intersectionY = CalloutAnnotation.GetIntersectionX(point1, point2, rect.Right);
if (rect.Contains(intersectionY))
{
return(true);
}
return(false);
}
