CropImage

package screens
{
    import com.greensock.transform.Crop;
    import com.greensock.transform.TransformItem;
    import com.greensock.transform.TransformManager;

    import flash.display.Bitmap;
    import flash.display.MovieClip;
    import flash.display.Shape;
    import flash.display.SimpleButton;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.MouseEvent;

    import controls.Slider;

    import screens.events.ScreenEvent;

    public class SettingsScreen extends BaseScreen
    {
        [Embed(source = "../../assets/Jake.jpg")]
        private var JakeImg:Class;

        private static const BORDER_WIDTH:int = 363;
        private static const BORDER_HEIGHT:int = 453;

        private var _image:Sprite;
        private var _imageBorder:Sprite;
        private var _imageContainer:Sprite;
        private var _backButton:SimpleButton;
        private var _nextButton:SimpleButton;
        private var _visual:Sprite;
        private var _scaleSlider:Slider;
        private var _rotationSlider:Slider;
        private var _item:TransformItem;
        private var _manager:TransformManager;
        private var _crop:Crop;

        public function SettingsScreen(visual:Sprite)
        {
            super(visual);

            _visual = visual;

            _nextButton = _visual.getChildByName("nextButton") as SimpleButton;
            _nextButton.addEventListener(MouseEvent.CLICK, buttonClickHandler);

            _backButton = _visual.getChildByName("backButton") as SimpleButton;
            _backButton.addEventListener(MouseEvent.CLICK, buttonClickHandler);

            makeImageBorder();
            makeSliders();
        }

        private function buttonClickHandler(event:MouseEvent):void
        {
            switch(event.currentTarget)
            {
                case _nextButton:
                    cropImage();
                    //dispatchEvent(new ScreenEvent(ScreenEvent.CHANGE, NameCartoonScreen));
                    break;
                case _backButton:
                    dispatchEvent(new ScreenEvent(ScreenEvent.CHANGE, ChooseImageScreen));
                    break;
            }
        }

        private function makeImageBorder():void
        {
            _imageContainer = new Sprite();
            _visual.addChild(_imageContainer);
            _imageBorder = _visual.getChildByName("imageBorder") as MovieClip;

            var bitmap:Bitmap = new JakeImg();
            _image = new Sprite();
            _image.addChild(bitmap);
            _imageContainer.addChild(_image);

            _manager = new TransformManager();
            _manager.addItem(_image);
            _manager.lineThickness = 0;
            _manager.arrowKeysMove = true;
            _manager.constrainScale = true;
            _manager.scaleFromCenter = true;
            _manager.handleSize = 0;
            _manager.hideCenterHandle = true;

            var blankShape:Shape = new Shape();
            TransformManager.customizeMoveCursor(blankShape, false);
            TransformManager.customizeRotationCursor(blankShape, false);

            _item = _manager.getItem(_image);
            _item.minScale = 0.2;
            _item.maxScale = 2;
            _manager.selectItem(_item, true);

            var borderMask:Shape = new Shape();
            borderMask.graphics.beginFill(0x00FF00);
            borderMask.graphics.drawRect(0, 0, 329.8, 353.95);
            borderMask.x = 144.55;
            borderMask.y = 140.65;

            _imageContainer.mask = borderMask;
            _visual.addChild(borderMask);
            _imageBorder.addChildAt(_imageContainer, 0);
        }

        private function makeSliders():void
        {
            _scaleSlider = new Slider(_visual, 670, 220);
            _scaleSlider.minimum = _item.minScaleX;
            _scaleSlider.maximum = _item.maxScaleX;
            _scaleSlider.value = (_scaleSlider.maximum + _scaleSlider.minimum) / 2;
            _item.scale(_scaleSlider.value, _scaleSlider.value);
            _imageContainer.x = BORDER_WIDTH / 2 - (_imageContainer.width / 2);
            _imageContainer.y = (BORDER_HEIGHT) / 2 - (_imageContainer.height / 2);
            _scaleSlider.addEventListener(Event.CHANGE, scaleSliderChangeHandler);

            _rotationSlider = new Slider(_visual, 670, 320);
            _rotationSlider.minimum = -180;
            _rotationSlider.maximum = 180;
            _rotationSlider.value = 0;
            _item.rotate(_rotationSlider.value);
            _rotationSlider.addEventListener(Event.CHANGE, rotationSliderChangeHandler);
        }

        private function scaleSliderChangeHandler(event:Event):void
        {
            _item.scaleX = _scaleSlider.value;
            _item.scaleY = _scaleSlider.value;

        }

        private function rotationSliderChangeHandler(event:Event):void
        {
            _item.rotation = _rotationSlider.value;
        }

        private function cropImage():void
        {
            var faceArea:FaceArea_mc = new FaceArea_mc();
            _crop = new Crop(_image, _manager);
/*          _crop.x = 128 + 36.70;
            _crop.y = 90.95 + 20.80;
            _crop.width = faceArea.width;
            _crop.height = faceArea.height;*/
            _crop.configureCropMode(true, 0.1, 0x0000FF, true);
            _crop.cropMode = true;
        }
    }
}