namespace CairoChart {
	public struct Color {
		double red;
		double green;
		double blue;
		double alpha;

		public Color (double red = 0.0, double green = 0.0, double blue = 0.0, double alpha = 1.0) {
			this.red = red; this.green = green; this.blue = blue; this.alpha = alpha;
		}
	}
}