''' <summary>
''' Sets a clip on specified drawing engine and draws an image.
''' </summary>
''' <param name="drawingEngine">Drawing engine.</param>
''' <param name="area">Area to draw objects in.</param>
Public Shared Sub EngineClipExample(drawingEngine As DrawingEngine, area As RectangleF)
    ' create clipping graphics path
    Using path As IGraphicsPath = drawingEngine.DrawingFactory.CreateGraphicsPath()
        ' add path elements
        path.AddLine(New PointF(area.X + area.Width / 2, area.Y + area.Height / 2), New PointF(area.Right, area.Y + area.Height / 2))
        path.AddArc(area, 180, 180)
        path.CloseFigure()

        ' create clip region from path
        Using clipRegion As IRegion = drawingEngine.DrawingFactory.CreateRegion(path)
            ' create clip holder to save current engine clip and restore it aftewards
            Using drawingEngine.CreateClipHolder()
                ' set new clip to engine
                drawingEngine.Clip = clipRegion

                ' path to image file for drawing
                ' this image is located in <install path>/VintaSoft/Imaging .NET/Images/
                Dim imagePath As String = "AutoContrast.jpg"

                ' create VintaSoft image and draw it
                Using image As New VintasoftImage(imagePath)
                    drawingEngine.DrawImage(image, area)
                End Using
            End Using
        End Using
    End Using
End Sub

/// <summary>
/// Sets a clip on specified drawing engine and draws an image.
/// </summary>
/// <param name="drawingEngine">Drawing engine.</param>
/// <param name="area">Area to draw objects in.</param>
public static void EngineClipExample(DrawingEngine drawingEngine, RectangleF area)
{
    // create clipping graphics path
    using (IGraphicsPath path = drawingEngine.DrawingFactory.CreateGraphicsPath())
    {
        // add path elements
        path.AddLine(new PointF(area.X + area.Width / 2, area.Y + area.Height / 2), new PointF(area.Right, area.Y + area.Height / 2));
        path.AddArc(area, 180, 180);
        path.CloseFigure();

        // create clip region from path
        using (IRegion clipRegion = drawingEngine.DrawingFactory.CreateRegion(path))
        // create clip holder to save current engine clip and restore it aftewards
        using (drawingEngine.CreateClipHolder())
        {
            // set new clip to engine
            drawingEngine.Clip = clipRegion;

            // path to image file for drawing
            // this image is located in <install path>/VintaSoft/Imaging .NET/Images/
            string imagePath = "AutoContrast.jpg";

            // create VintaSoft image and draw it
            using (VintasoftImage image = new VintasoftImage(imagePath))
                drawingEngine.DrawImage(image, area);
        }
    }
}