public override void Draw(Graphics g)
{
int x1 = 0, y1 = 0; // previous point
int x2, y2; // current point
g.SmoothingMode = SmoothingMode.AntiAlias;
Pen pen = new Pen(Color, PenWidth);
PointEnumerator enumerator = pointArray.GetEnumerator();
if (enumerator.MoveNext())
{
x1 = ((Point)enumerator.Current).X;
y1 = ((Point)enumerator.Current).Y;
}
while (enumerator.MoveNext())
{
x2 = ((Point)enumerator.Current).X;
y2 = ((Point)enumerator.Current).Y;
g.DrawLine(pen, x1, y1, x2, y2);
x1 = x2;
y1 = y2;
}
pen.Dispose();
}
protected override void CreateObjects()
{
if (AreaPath != null)
{
return;
}
AreaPath = new GraphicsPath();
int x1 = 0, y1 = 0;
int x2, y2;
PointEnumerator enumerator = pointArray.GetEnumerator();
if (enumerator.MoveNext())
{
x1 = ((Point)enumerator.Current).X;
y1 = ((Point)enumerator.Current).Y;
}
while (enumerator.MoveNext())
{
x2 = ((Point)enumerator.Current).X;
y2 = ((Point)enumerator.Current).Y;
AreaPath.AddLine(x1, y1, x2, y2);
x1 = x2;
y1 = y2;
}
AreaPath.CloseFigure();
AreaRegion = new Region(AreaPath);
}
public override void Draw(Graphics g, double zoomFactor = 1.0)
{
int x1 = 0, y1 = 0; // previous pointscroll
int x2, y2; // current pointscroll
g.SmoothingMode = SmoothingMode.AntiAlias;
Pen pen = new Pen(Color, PenWidth);
PointEnumerator enumerator = pointArray.GetEnumerator();
if (enumerator.MoveNext())
{
x1 = (int)(Math.Round(((Point)enumerator.Current).X * zoomFactor));
y1 = (int)(Math.Round(((Point)enumerator.Current).Y * zoomFactor));
}
while (enumerator.MoveNext())
{
x2 = (int)(Math.Round(((Point)enumerator.Current).X * zoomFactor));
y2 = (int)(Math.Round(((Point)enumerator.Current).Y * zoomFactor));
g.DrawLine(pen, x1, y1, x2, y2);
x1 = x2;
y1 = y2;
}
pen.Dispose();
}
/// <summary>
/// Create graphic object used for hit test
/// </summary>
protected override void CreateObjects()
{
if (AreaPath != null)
{
return;
}
// Create closed path which contains all polygon vertexes
AreaPath = new GraphicsPath();
int x1 = 0, y1 = 0; // previous point
int x2, y2; // current point
PointEnumerator enumerator = pointArray.GetEnumerator();
if (enumerator.MoveNext())
{
x1 = ((Point)enumerator.Current).X;
y1 = ((Point)enumerator.Current).Y;
}
while (enumerator.MoveNext())
{
x2 = ((Point)enumerator.Current).X;
y2 = ((Point)enumerator.Current).Y;
AreaPath.AddLine(x1, y1, x2, y2);
x1 = x2;
y1 = y2;
}
AreaPath.CloseFigure();
// Create region from the path
AreaRegion = new Region(AreaPath);
}
