source: code/Website/open-flash-chart/charts/series/dots/Hollow.as@ 7849

package charts.series.dots {
        
        import charts.series.dots.PointDotBase;
        import flash.display.BlendMode;
        import flash.display.Sprite;
        import string.Utils;
        
        public class Hollow extends PointDotBase {
                
                public function Hollow( index:Number, style:Properties ) {
                        // tr.aces('h i', index);
                        super( index, style );
                        
                        var colour:Number = string.Utils.get_colour( style.get('colour') );
                        
                        this.graphics.clear();
                        //
                        // fill a big circle
                        //
                        this.graphics.lineStyle( 0, 0, 0 );
                        this.graphics.beginFill( colour, 1 );
                        this.graphics.drawCircle( 0, 0, style.get('dot-size'));
                        //
                        // punch out the hollow circle:
                        //
                        this.graphics.drawCircle( 0, 0, style.get('dot-size')-style.get('width'));
                        this.graphics.endFill();        // <-- LOOK
                        //
                        // HACK: we fill an invisible circle over
                        //       the hollow circle so the mouse over
                        //       event fires correctly (even when the
                        //       mouse is in the hollow part)
                        //
                        this.graphics.lineStyle( 0, 0, 0 );
                        this.graphics.beginFill(0, 0);
                        this.graphics.drawCircle( 0, 0, style.get('dot-size') );
                        this.graphics.endFill();
                        //
                        // MASK
                        //
                        var s:Sprite = new Sprite();
                        s.graphics.lineStyle( 0, 0, 0 );
                        s.graphics.beginFill( 0, 1 );
                        s.graphics.drawCircle( 0, 0, style.get('dot-size') + style.get('halo-size') );
                        s.blendMode = BlendMode.ERASE;
                        
                        this.line_mask = s;
                        this.attach_events();
                        
                }
        }
}