module Cairo::Context::Rectangle - cairo-1.14.6 Documentation

# module Cairo::Context::Rectangle

### Public Instance Methods

rounded_rectangle(x, y, width, height, x_radius, y_radius=nil) click to toggle source

    # File lib/cairo/context/rectangle.rb, line 4
    def rounded_rectangle(x, y, width, height, x_radius, y_radius=nil)
      x1 = x
      x2 = x1 + width
      y1 = y
      y2 = y1 + height

      y_radius ||= x_radius

      x_radius = [x_radius, width / 2.0].min
      y_radius = [y_radius, height / 2.0].min

      xr1 = x_radius
      xr2 = x_radius / 2.0
      yr1 = y_radius
      yr2 = y_radius / 2.0

      move_to(x1 + xr1, y1)
      line_to(x2 - xr1, y1)
      curve_to(x2 - xr2, y1, x2, y1 + yr2, x2, y1 + yr1)
      line_to(x2, y2 - yr1)
      curve_to(x2, y2 - yr2, x2 - xr2, y2, x2 - xr1, y2)
      line_to(x1 + xr1, y2)
      curve_to(x1 + xr2, y2, x1, y2 - yr2, x1, y2 - yr1)
      line_to(x1, y1 + yr1)
      curve_to(x1, y1 + yr2, x1 + xr2, y1, x1 + xr1, y1)
      close_path
    end