package {
    import flash.display.DisplayObject;
    import flash.display.Graphics;
    import flash.display.JointStyle;
    import flash.display.LineScaleMode;
    import flash.display.Shape;
    import flash.display.Sprite;

    public class JointStyleExample extends Sprite {
        private var size:uint                  = 80;
        private var borderColor:uint           = 0xFFCC00;
        private var borderSize:uint            = 30;
        private var highlightColor:uint        = 0x666666;
        private var highlightSize:uint         = 0;
        private var gutter:uint                = 25;
        private var borderAlpha:uint           = 1;
        private var borderPixelHinting:Boolean = false;
        private var borderScaleMode:String     = LineScaleMode.NORMAL;
        private var borderCaps:String;
        private var borderMiterLimit:uint;

        public function JointStyleExample() {
            doDrawCorner(JointStyle.MITER);
            doDrawCorner(JointStyle.ROUND);
            doDrawCorner(JointStyle.BEVEL);
            refreshLayout();
        }

        private function doDrawCorner(jointStyle:String):void {
            var halfSize:uint = Math.round(size / 2);
            var child:Shape = new Shape();
            child.graphics.lineStyle(borderSize,
                                     borderColor,
                                     borderAlpha,
                                     borderPixelHinting,
                                     borderScaleMode,
                                     borderCaps,
                                     jointStyle,
                                     borderMiterLimit);
            child.graphics.lineTo(0, 0);
            child.graphics.lineTo(size, 0);
            child.graphics.lineTo(halfSize, size);
            child.graphics.endFill();

            child.graphics.moveTo(0, 0);
            child.graphics.lineStyle(highlightSize, highlightColor);
            child.graphics.lineTo(0, 0);
            child.graphics.lineTo(size, 0);
            child.graphics.lineTo(halfSize, size);

            addChild(child);
        }

        private function refreshLayout():void {
            var ln:uint = numChildren;
            var child:DisplayObject;
            var lastChild:DisplayObject = getChildAt(0);
            lastChild.x = size;
            lastChild.y = size;
            for (var i:uint = 1; i < ln; i++) {
                child = getChildAt(i);
                child.x = gutter + lastChild.x + lastChild.width;
                child.y = size;
                lastChild = child;
            }
        }
    }
}