Painter 1

/**
 * Copyright Saqoosha ( http://wonderfl.net/user/Saqoosha )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/qSd0
 */

package
{
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Shape;
    import flash.display.Sprite;
    import flash.display.StageScaleMode;
    import flash.events.MouseEvent;

    /**
     * @author Saqoosha
     */
    [SWF(backgroundColor="#000000", frameRate="60", width="475", height="475")]
    public class Painter1 extends Sprite
    {
        private var _canvasData:BitmapData = new BitmapData(475, 475, false, 0xffffff);
        private var _canvas:Bitmap = new Bitmap(_canvasData);
        private var _brush:Shape = new Shape();
        
        public function Painter1() {
            stage.scaleMode = StageScaleMode.NO_SCALE;
            stage.addEventListener(MouseEvent.MOUSE_DOWN, _mouseDownHandler);
            addChild(_canvas);
            _brush.graphics.beginFill(0xff0000);
            _brush.graphics.drawCircle(0, 0, 2);
            _brush.graphics.endFill();
        }

        private function _mouseDownHandler(event:MouseEvent):void
        {
            stage.addEventListener(MouseEvent.MOUSE_MOVE, _mouseMoveHandler);
            stage.addEventListener(MouseEvent.MOUSE_UP, _mouseUpHandler);
        }

        private function _mouseMoveHandler(event:MouseEvent):void
        {
            _brush.x = event.stageX;
            _brush.y = event.stageY;
            _canvasData.draw(_brush, _brush.transform.matrix);
        }

        private function _mouseUpHandler(event:MouseEvent):void
        {
            stage.removeEventListener(MouseEvent.MOUSE_MOVE, _mouseMoveHandler);
            stage.removeEventListener(MouseEvent.MOUSE_UP, _mouseUpHandler);
        }
    }
}