public void Clip(Area area)
{
if (!disableScalling)
{
CContext.Rectangle(area.Start.X, area.Start.Y,
area.Width, area.Height);
CContext.Clip();
}
}
public void DrawCircleImage(Point center, double radius, Image image)
{
DrawCircle(center, radius);
CContext.Save();
CContext.Arc(center.X, center.Y, radius, 0, 2 * Math.PI);
CContext.Clip();
DrawImage(new Point(center.X - radius, center.Y - radius), radius * 2, radius * 2, image,
ScaleMode.AspectFill, false);
CContext.Restore();
}
public void ClipRoundRectangle(Point start, double width, double height, double radius)
{
double x, y;
x = start.X;
y = start.Y;
if ((radius > height / 2) || (radius > width / 2))
{
radius = Math.Min(height / 2, width / 2);
}
CContext.MoveTo(x, y + radius);
CContext.Arc(x + radius, y + radius, radius, Math.PI, -Math.PI / 2);
CContext.LineTo(x + width - radius, y);
CContext.Arc(x + width - radius, y + radius, radius, -Math.PI / 2, 0);
CContext.LineTo(x + width, y + height - radius);
CContext.Arc(x + width - radius, y + height - radius, radius, 0, Math.PI / 2);
CContext.LineTo(x + radius, y + height);
CContext.Arc(x + radius, y + height - radius, radius, Math.PI / 2, Math.PI);
CContext.ClosePath();
CContext.Clip();
}
public void ClipCircle(Point center, double radius)
{
CContext.Arc(center.X, center.Y, radius, 0, 2 * Math.PI);
CContext.Clip();
}
public void Clip(Area area)
{
CContext.Rectangle(area.Start.X, area.Start.Y,
area.Width, area.Height);
CContext.Clip();
}