public ClipBuffer(Image image, Graphics imageGraphics, Rectangle region, Graphics ownerGraphics)
{
this.image = image;
this.region = region;
this.ownerGraphics = ownerGraphics;
this.graphics = imageGraphics;
this.drawingGraphics = DrawingGraphics.FromGraphicsAndRect(this.graphics,
this.image,
new Rectangle(0, 0, this.image.Width, this.image.Height));
}
public static DrawingGraphics FromPaintEventArgs(PaintEventArgs e, Image canvasImage)
{
return(DrawingGraphics.FromGraphicsAndRect(e.Graphics, canvasImage, e.ClipRectangle));
}