public override void GenerateRegion(Graphics graphics, Rectangle rectSource, Rectangle rectDest) { if (this.ZoomRatio.Width == 1 && this.ZoomRatio.Height == 1) { graphics.ImageInterpolation = ImageInterpolation.None; } else { graphics.ImageInterpolation = ImageInterpolation.Default; } if (BGI != null) { BGI.DrawRegion(graphics, rectSource, rectDest); } else if (RipDocument.Image != null) { graphics.DrawImage(RipDocument.Image, rectSource, rectDest); } }