FlipBook class
class FlipBook extends InteractiveObject implements Animatable {
 List<BitmapData> _bitmapDatas;
 List<double> _frameDurations;
 int _currentFrame;
 double _frameTime;
 bool _play;
 bool _loop;
 Event _progressEvent;
 Event _completeEvent;
 Rectangle clipRectangle;
 //-------------------------------------------------------------------------------------------------
 FlipBook(List<BitmapData> bitmapDatas, [int frameRate = 30, bool loop = true]) {
   _bitmapDatas = bitmapDatas;
   _frameDurations = new List.filled(_bitmapDatas.length, 1.0 / frameRate);
   _currentFrame = 0;
   _frameTime = null;
   _play = false;
   _loop = loop;
   _progressEvent = new Event(Event.PROGRESS);
   _completeEvent = new Event(Event.COMPLETE);
   clipRectangle = null;
 }
 //-------------------------------------------------------------------------------------------------
 static const EventStreamProvider<Event> progressEvent = const EventStreamProvider<Event>(Event.PROGRESS);
 static const EventStreamProvider<Event> completeEvent = const EventStreamProvider<Event>(Event.COMPLETE);
 EventStream<Event> get onProgress => FlipBook.progressEvent.forTarget(this);
 EventStream<Event> get onComplete => FlipBook.completeEvent.forTarget(this);
 //-------------------------------------------------------------------------------------------------
 //-------------------------------------------------------------------------------------------------
 int get currentFrame => _currentFrame;
 int get totalFrames => _bitmapDatas.length;
 bool get loop => _loop;
 void set loop(bool value) { _loop = value; }
 bool get playing => _play;
 List<num> get frameDurations => _frameDurations;
 set frameDurations(List<num> value) {
   for(var i = 0; i < _frameDurations.length; i++) {
     _frameDurations[i] = (i < value.length) ? value[i] : value.last;
   }
 }
 //-------------------------------------------------------------------------------------------------
 void gotoAndPlay(int frame) {
   _currentFrame = min(max(frame, 0), totalFrames - 1);
   _play = true;
   _frameTime = null;
 }
 void gotoAndStop(int frame) {
   _currentFrame = min(max(frame, 0), totalFrames - 1);
   _play = false;
   _frameTime = null;
 }
 void play() {
   _play = true;
   _frameTime = null;
 }
 void stop() {
   _play = false;
   _frameTime = null;
 }
 //-------------------------------------------------------------------------------------------------
 void nextFrame() {
   _currentFrame = _loop ? (_currentFrame + 1) % totalFrames : max(_currentFrame + 1, totalFrames - 1);
   _play = false;
   _frameTime = null;
 }
 void prevFrame() {
   _currentFrame = _loop ? (_currentFrame - 1) % totalFrames : min(_currentFrame - 1, 0);
   _play = false;
   _frameTime = null;
 }
 //-------------------------------------------------------------------------------------------------
 //-------------------------------------------------------------------------------------------------
 bool advanceTime(num time) {
   if (_play == false) return true;
   if (_frameTime == null) {
     _frameTime = 0.0;
     this.dispatchEvent(_progressEvent);
   } else {
     _frameTime += time;
     while (_play) {
       var frameDuration = _frameDurations[_currentFrame];
       var lastFrame = _currentFrame;
       var nextFrame = _loop ? (lastFrame + 1) % totalFrames : min(lastFrame + 1, totalFrames - 1);
       if (_frameTime < frameDuration) break;
       _currentFrame = nextFrame;
       _frameTime -= frameDuration;
       // dispatch progress event on every new frame
       if (lastFrame != nextFrame) {
         this.dispatchEvent(_progressEvent);
         if (_currentFrame != nextFrame) return true;
       }
       // dispatch complete event only on last frame
       if (lastFrame != nextFrame && nextFrame == totalFrames - 1 && _loop == false) {
         this.dispatchEvent(_completeEvent);
         if (_currentFrame != nextFrame) return true;
       }
     }
   }
   return true;
 }
 //-------------------------------------------------------------------------------------------------
 //-------------------------------------------------------------------------------------------------
 Rectangle getBoundsTransformed(Matrix matrix, [Rectangle returnRectangle]) {
   var bitmapData = _bitmapDatas[_currentFrame];
   return _getBoundsTransformedHelper(matrix, bitmapData.width, bitmapData.height, returnRectangle);
 }
 //-------------------------------------------------------------------------------------------------
 DisplayObject hitTestInput(num localX, num localY) {
   var bitmapData = _bitmapDatas[_currentFrame];
   if (localX >= 0 && localY >= 0 && localX < bitmapData.width && localY < bitmapData.height)
     return this;
   return null;
 }
 //-------------------------------------------------------------------------------------------------
 void render(RenderState renderState) {
   var bitmapData = _bitmapDatas[_currentFrame];
   if (bitmapData is! BitmapData) return; // dart2js_hint
   // ToDo: The dart2js hint above is necessary to get a good translation
   // of "BitmapData.render". The type check is a little bit expensive,
   // so maybe we can find a better solution. It is strange because the
   // type of "renderState" should have more effect on the dart2js
   // compilation anyway!?!
   if (clipRectangle == null) {
     bitmapData.render(renderState);
   } else {
     bitmapData.renderClipped(renderState, clipRectangle);
   }
 }
}
Extends
EventDispatcher > DisplayObject > InteractiveObject > FlipBook
Implements
Static Properties
const EventStreamProvider<Event> completeEvent #
static const EventStreamProvider<Event> completeEvent = const EventStreamProvider<Event>(Event.COMPLETE)
const EventStreamProvider<Event> progressEvent #
static const EventStreamProvider<Event> progressEvent = const EventStreamProvider<Event>(Event.PROGRESS)
Constructors
new FlipBook(List<BitmapData> bitmapDatas, [int frameRate = 30, bool loop = true]) #
Creates a new Object instance.
Object instances have no meaningful state, and are only useful through their identity. An Object instance is equal to itself only.
docs inherited from Object 
FlipBook(List<BitmapData> bitmapDatas, [int frameRate = 30, bool loop = true]) {
 _bitmapDatas = bitmapDatas;
 _frameDurations = new List.filled(_bitmapDatas.length, 1.0 / frameRate);
 _currentFrame = 0;
 _frameTime = null;
 _play = false;
 _loop = loop;
 _progressEvent = new Event(Event.PROGRESS);
 _completeEvent = new Event(Event.COMPLETE);
 clipRectangle = null;
}
Properties
num alpha #
inherited from DisplayObject 
num get alpha => _alpha;
set alpha(num value) {
 if (value is num) {
   if (value < 0.0) value = 0.0;
   if (value > 1.0) value = 1.0;
   _alpha = value;
 }
}
String compositeOperation #
inherited from DisplayObject 
String get compositeOperation => _compositeOperation;
set compositeOperation(String value) {
 _compositeOperation = value;
}
List<BitmapFilter> filters #
inherited from DisplayObject 
List<BitmapFilter> get filters {
 if (_filters == null) _filters = new List<BitmapFilter>();
 return _filters;
}
set filters(List<BitmapFilter> value) {
 _filters = value;
}
List<num> frameDurations #
List<num> get frameDurations => _frameDurations;
set frameDurations(List<num> value) {
 for(var i = 0; i < _frameDurations.length; i++) {
   _frameDurations[i] = (i < value.length) ? value[i] : value.last;
 }
}
num height #
inherited from DisplayObject 
num get height => getBoundsTransformed(this.transformationMatrix).height;
void set height(num value) {
 this.scaleY = 1;
 num normalHeight = this.height;
 this.scaleY = (normalHeight != 0.0) ? value / normalHeight : 1.0;
}
Mask mask #
inherited from DisplayObject 
Mask get mask => _mask;
set mask(Mask value) {
 _mask = value;
}
final Point mousePosition #
inherited from DisplayObject 
Point get mousePosition {
 var stage = this.stage;
 return (stage != null) ? this.globalToLocal(stage._mousePosition) : null;
}
final num mouseX #
inherited from DisplayObject 
num get mouseX {
 var mp = this.mousePosition;
 return (mp != null) ? mp.x : 0.0;
}
final num mouseY #
inherited from DisplayObject 
num get mouseY {
 var mp = this.mousePosition;
 return (mp != null) ? mp.y : 0.0;
}
String name #
inherited from DisplayObject 
String get name => _name;
set name(String value) {
 _name = value;
}
bool off #
inherited from DisplayObject 
bool get off => _off;
set off(bool value) {
 if (value is bool) _off = value;
}
final EventStream<Event> onAdded #
inherited from DisplayObject 
EventStream<Event> get onAdded => DisplayObject.addedEvent.forTarget(this);
final EventStream<Event> onAddedToStage #
inherited from DisplayObject 
EventStream<Event> get onAddedToStage => DisplayObject.addedToStageEvent.forTarget(this);
final EventStream<Event> onComplete #
EventStream<Event> get onComplete => FlipBook.completeEvent.forTarget(this);
final EventStream<EnterFrameEvent> onEnterFrame #
inherited from DisplayObject 
EventStream<EnterFrameEvent> get onEnterFrame => DisplayObject.enterFrameEvent.forTarget(this);
final EventStream<ExitFrameEvent> onExitFrame #
inherited from DisplayObject 
EventStream<ExitFrameEvent> get onExitFrame => DisplayObject.exitFrameEvent.forTarget(this);
final EventStream<KeyboardEvent> onKeyDown #
inherited from InteractiveObject 
EventStream<KeyboardEvent> get onKeyDown => InteractiveObject.keyDownEvent.forTarget(this);
final EventStream<KeyboardEvent> onKeyUp #
inherited from InteractiveObject 
EventStream<KeyboardEvent> get onKeyUp => InteractiveObject.keyUpEvent.forTarget(this);
final EventStream<MouseEvent> onMouseClick #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseClick => InteractiveObject.mouseClickEvent.forTarget(this);
final EventStream<MouseEvent> onMouseContextMenu #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseContextMenu => InteractiveObject.mouseContextMenu.forTarget(this);
final EventStream<MouseEvent> onMouseDoubleClick #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseDoubleClick => InteractiveObject.mouseDoubleClickEvent.forTarget(this);
final EventStream<MouseEvent> onMouseDown #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseDown => InteractiveObject.mouseDownEvent.forTarget(this);
final EventStream<MouseEvent> onMouseMiddleClick #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseMiddleClick => InteractiveObject.mouseMiddleClickEvent.forTarget(this);
final EventStream<MouseEvent> onMouseMiddleDown #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseMiddleDown => InteractiveObject.mouseMiddleDownEvent.forTarget(this);
final EventStream<MouseEvent> onMouseMiddleUp #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseMiddleUp => InteractiveObject.mouseMiddleUpEvent.forTarget(this);
final EventStream<MouseEvent> onMouseMove #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseMove => InteractiveObject.mouseMoveEvent.forTarget(this);
final EventStream<MouseEvent> onMouseOut #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseOut => InteractiveObject.mouseOutEvent.forTarget(this);
final EventStream<MouseEvent> onMouseOver #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseOver => InteractiveObject.mouseOverEvent.forTarget(this);
final EventStream<MouseEvent> onMouseRightClick #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseRightClick => InteractiveObject.mouseRightClickEvent.forTarget(this);
final EventStream<MouseEvent> onMouseRightDown #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseRightDown => InteractiveObject.mouseRightDownEvent.forTarget(this);
final EventStream<MouseEvent> onMouseRightUp #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseRightUp => InteractiveObject.mouseRightUpEvent.forTarget(this);
final EventStream<MouseEvent> onMouseRollOut #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseRollOut => InteractiveObject.mouseRollOutEvent.forTarget(this);
final EventStream<MouseEvent> onMouseRollOver #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseRollOver => InteractiveObject.mouseRollOverEvent.forTarget(this);
final EventStream<MouseEvent> onMouseUp #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseUp => InteractiveObject.mouseUpEvent.forTarget(this);
final EventStream<MouseEvent> onMouseWheel #
inherited from InteractiveObject 
EventStream<MouseEvent> get onMouseWheel => InteractiveObject.mouseWheelEvent.forTarget(this);
final EventStream<Event> onProgress #
EventStream<Event> get onProgress => FlipBook.progressEvent.forTarget(this);
final EventStream<Event> onRemoved #
inherited from DisplayObject 
EventStream<Event> get onRemoved => DisplayObject.removedEvent.forTarget(this);
final EventStream<Event> onRemovedFromStage #
inherited from DisplayObject 
EventStream<Event> get onRemovedFromStage => DisplayObject.removedFromStageEvent.forTarget(this);
final EventStream<RenderEvent> onRender #
inherited from DisplayObject 
EventStream<RenderEvent> get onRender => DisplayObject.renderEvent.forTarget(this);
final EventStream<TextEvent> onTextInput #
inherited from InteractiveObject 
EventStream<TextEvent> get onTextInput => InteractiveObject.textInputEvent.forTarget(this);
final EventStream<TouchEvent> onTouchBegin #
inherited from InteractiveObject 
EventStream<TouchEvent> get onTouchBegin => InteractiveObject.touchBeginEvent.forTarget(this);
final EventStream<TouchEvent> onTouchCancel #
inherited from InteractiveObject 
EventStream<TouchEvent> get onTouchCancel => InteractiveObject.touchCancelEvent.forTarget(this);
final EventStream<TouchEvent> onTouchEnd #
inherited from InteractiveObject 
EventStream<TouchEvent> get onTouchEnd => InteractiveObject.touchEndEvent.forTarget(this);
final EventStream<TouchEvent> onTouchMove #
inherited from InteractiveObject 
EventStream<TouchEvent> get onTouchMove => InteractiveObject.touchMoveEvent.forTarget(this);
final EventStream<TouchEvent> onTouchOut #
inherited from InteractiveObject 
EventStream<TouchEvent> get onTouchOut => InteractiveObject.touchOutEvent.forTarget(this);
final EventStream<TouchEvent> onTouchOver #
inherited from InteractiveObject 
EventStream<TouchEvent> get onTouchOver => InteractiveObject.touchOverEvent.forTarget(this);
final DisplayObjectContainer parent #
inherited from DisplayObject 
DisplayObjectContainer get parent => _parent;
num pivotX #
inherited from DisplayObject 
num get pivotX => _pivotX;
set pivotX(num value) {
 if (value is num) _pivotX = value;
 _transformationMatrixRefresh = true;
}
num pivotY #
inherited from DisplayObject 
num get pivotY => _pivotY;
set pivotY(num value) {
 if (value is num) _pivotY = value;
 _transformationMatrixRefresh = true;
}
final DisplayObject root #
inherited from DisplayObject 
DisplayObject get root {
 DisplayObject currentObject = this;
 while (currentObject._parent != null)
   currentObject = currentObject._parent;
 return currentObject;
}
num rotation #
inherited from DisplayObject 
num get rotation => _rotation;
set rotation(num value) {
 if (value is num) _rotation = value;
 _transformationMatrixRefresh = true;
}
num scaleX #
inherited from DisplayObject 
num get scaleX => _scaleX;
set scaleX(num value) {
 if (value is num) _scaleX = value;
 _transformationMatrixRefresh = true;
}
num scaleY #
inherited from DisplayObject 
num get scaleY => _scaleY;
set scaleY(num value) {
 if (value is num) _scaleY = value;
 _transformationMatrixRefresh = true;
}
Shadow shadow #
inherited from DisplayObject 
Shadow get shadow => _shadow;
set shadow(Shadow value) {
 _shadow = value;
}
num skewX #
inherited from DisplayObject 
num get skewX => _skewX;
set skewX(num value) {
 if (value is num) _skewX = value;
 _transformationMatrixRefresh = true;
}
num skewY #
inherited from DisplayObject 
num get skewY => _skewY;
set skewY(num value) {
 if (value is num) _skewY = value;
 _transformationMatrixRefresh = true;
}
final Stage stage #
inherited from DisplayObject 
Stage get stage {
 DisplayObject root = this.root;
 return (root is Stage) ? root : null;
}
final Matrix transformationMatrix #
inherited from DisplayObject 
Matrix get transformationMatrix {
 /*
 _transformationMatrix.identity();
 _transformationMatrix.translate(-_pivotX, -_pivotY);
 _transformationMatrix.scale(_scaleX, _scaleY);
 _transformationMatrix.rotate(_rotation);
 _transformationMatrix.translate(_x, _y);
 */
 if (_transformationMatrixRefresh) {
   _transformationMatrixRefresh = false;
   num skewXrotation =  _skewX + _rotation;
   num skewYrotation =  _skewY + _rotation;
   num scaleX = _scaleX;
   num scaleY = _scaleY;
   num pivotX = _pivotX;
   num pivotY = _pivotY;
   // ToDo: https://bugzilla.mozilla.org/show_bug.cgi?id=661452
   if (scaleX > -0.0001 && scaleX < 0.0001) scaleX = (scaleX >= 0) ? 0.0001 : -0.0001;
   if (scaleY > -0.0001 && scaleY < 0.0001) scaleY = (scaleY >= 0) ? 0.0001 : -0.0001;
   if (skewXrotation == 0.0 && skewYrotation == 0.0) {
     _transformationMatrix.setTo(scaleX, 0.0, 0.0, scaleY, _x - pivotX * scaleX, _y - pivotY * scaleY);
   } else {
     num a, b, c, d;
     num cosX = cos(skewXrotation);
     num sinX = sin(skewXrotation);
     if (skewXrotation == skewYrotation) {
       a =   scaleX * cosX;
       b =   scaleX * sinX;
       c = - scaleY * sinX;
       d =   scaleY * cosX;
     } else {
       a =   scaleX * cos(skewYrotation);
       b =   scaleX * sin(skewYrotation);
       c = - scaleY * sinX;
       d =   scaleY * cosX;
     }
     num tx =  _x - (pivotX * a + pivotY * c);
     num ty =  _y - (pivotX * b + pivotY * d);
     _transformationMatrix.setTo(a, b, c, d, tx, ty);
   }
 }
 return _transformationMatrix;
}
var userData #
inherited from DisplayObject 
Gets or sets user-defined data associated with the display object.
dynamic userData = null
bool visible #
inherited from DisplayObject 
bool get visible => _visible;
set visible(bool value) {
 if (value is bool) _visible = value;
}
num width #
inherited from DisplayObject 
num get width => getBoundsTransformed(this.transformationMatrix).width;
void set width(num value) {
 this.scaleX = 1;
 num normalWidth = this.width;
 this.scaleX = (normalWidth != 0.0) ? value / normalWidth : 1.0;
}
num x #
inherited from DisplayObject 
num get x => _x;
set x(num value) {
 if (value is num) _x = value;
 _transformationMatrixRefresh = true;
}
num y #
inherited from DisplayObject 
num get y => _y;
set y(num value) {
 if (value is num) _y = value;
 _transformationMatrixRefresh = true;
}
Methods
StreamSubscription<Event> addEventListener(String eventType, EventListener eventListener, {bool useCapture: false, int priority: 0}) #
inherited from EventDispatcher 
StreamSubscription<Event> addEventListener(String eventType, EventListener eventListener, {
 bool useCapture: false, int priority: 0 }) {
 return this.on(eventType)._subscribe(eventListener, useCapture, priority);
}
void addTo(DisplayObjectContainer parent) #
inherited from DisplayObject 
void addTo(DisplayObjectContainer parent) {
 parent.addChild(this);
}
bool advanceTime(num time) #
bool advanceTime(num time) {
 if (_play == false) return true;
 if (_frameTime == null) {
   _frameTime = 0.0;
   this.dispatchEvent(_progressEvent);
 } else {
   _frameTime += time;
   while (_play) {
     var frameDuration = _frameDurations[_currentFrame];
     var lastFrame = _currentFrame;
     var nextFrame = _loop ? (lastFrame + 1) % totalFrames : min(lastFrame + 1, totalFrames - 1);
     if (_frameTime < frameDuration) break;
     _currentFrame = nextFrame;
     _frameTime -= frameDuration;
     // dispatch progress event on every new frame
     if (lastFrame != nextFrame) {
       this.dispatchEvent(_progressEvent);
       if (_currentFrame != nextFrame) return true;
     }
     // dispatch complete event only on last frame
     if (lastFrame != nextFrame && nextFrame == totalFrames - 1 && _loop == false) {
       this.dispatchEvent(_completeEvent);
       if (_currentFrame != nextFrame) return true;
     }
   }
 }
 return true;
}
void applyCache(int x, int y, int width, int height, {bool debugBorder: false}) #
inherited from DisplayObject 
void applyCache(int x, int y, int width, int height, {bool debugBorder: false}) {
 var pixelRatio = Stage.autoHiDpi ? _devicePixelRatio : 1.0;
 if (_cacheTexture == null) {
   _cacheTexture = new RenderTexture(width, height, true, Color.Transparent, pixelRatio);
 } else {
   _cacheTexture.resize(width, height);
 }
 _cacheRectangle = new Rectangle(x, y, width, height);
 _cacheDebugBorder = debugBorder;
 refreshCache();
}
void dispatchEvent(Event event) #
inherited from DisplayObject 
void dispatchEvent(Event event) {
 List<DisplayObject> ancestors = null;
 if (event.captures || event.bubbles) {
   for(DisplayObject ancestor = parent; ancestor != null; ancestor = ancestor.parent) {
     if(ancestor._hasPropagationEventListeners(event)) {
       if (ancestors == null) ancestors = [];
       ancestors.add(ancestor);
     }
   }
 }
 if (ancestors != null && event.captures) {
   for(int i = ancestors.length - 1 ; i >= 0; i--) {
     ancestors[i]._dispatchEventInternal(event, this, EventPhase.CAPTURING_PHASE);
     if (event.stopsPropagation) return;
   }
 }
 _dispatchEventInternal(event, this, EventPhase.AT_TARGET);
 if (event.stopsPropagation) return;
 if (ancestors != null && event.bubbles) {
   for(int i = 0; i < ancestors.length; i++) {
     ancestors[i]._dispatchEventInternal(event, this, EventPhase.BUBBLING_PHASE);
     if (event.stopsPropagation) return;
   }
 }
}
Rectangle getBounds(DisplayObject targetSpace) #
inherited from DisplayObject 
Rectangle getBounds(DisplayObject targetSpace) {
 Rectangle returnRectangle = new Rectangle.zero();
 Matrix matrix = (targetSpace == null) ? transformationMatrix : transformationMatrixTo(targetSpace);
 return (matrix != null) ? getBoundsTransformed(matrix, returnRectangle) : returnRectangle;
}
Rectangle getBoundsTransformed(Matrix matrix, [Rectangle returnRectangle]) #
Rectangle getBoundsTransformed(Matrix matrix, [Rectangle returnRectangle]) {
 var bitmapData = _bitmapDatas[_currentFrame];
 return _getBoundsTransformedHelper(matrix, bitmapData.width, bitmapData.height, returnRectangle);
}
Point globalToLocal(Point globalPoint) #
inherited from DisplayObject 
Point globalToLocal(Point globalPoint) {
 _tmpMatrix.identity();
 for(var current = this; current != null; current = current._parent) {
   _tmpMatrix.concat(current.transformationMatrix);
 }
 _tmpMatrix.invert();
 return _tmpMatrix.transformPoint(globalPoint);
}
void gotoAndPlay(int frame) #
void gotoAndPlay(int frame) {
 _currentFrame = min(max(frame, 0), totalFrames - 1);
 _play = true;
 _frameTime = null;
}
void gotoAndStop(int frame) #
void gotoAndStop(int frame) {
 _currentFrame = min(max(frame, 0), totalFrames - 1);
 _play = false;
 _frameTime = null;
}
bool hasEventListener(String eventType) #
inherited from EventDispatcher 
bool hasEventListener(String eventType) {
 var eventStreams = _eventStreams;
 if (eventStreams == null) return false;
 var eventStream = eventStreams[eventType];
 if (eventStream == null) return false;
 return eventStream.hasSubscriptions;
}
DisplayObject hitTestInput(num localX, num localY) #
DisplayObject hitTestInput(num localX, num localY) {
 var bitmapData = _bitmapDatas[_currentFrame];
 if (localX >= 0 && localY >= 0 && localX < bitmapData.width && localY < bitmapData.height)
   return this;
 return null;
}
bool hitTestObject(DisplayObject other) #
inherited from DisplayObject 
bool hitTestObject(DisplayObject other) {
 var stage1 = this.stage;
 var stage2 = other.stage;
 if (stage1 == null || stage2 == null || stage1 != stage2) return false;
 var rect1 = this.getBounds(stage1);
 var rect2 = other.getBounds(stage2);
 return rect1.intersects(rect2);
}
bool hitTestPoint(num x, num y, [bool shapeFlag = false]) #
inherited from DisplayObject 
bool hitTestPoint(num x, num y, [bool shapeFlag = false]) {
 var stage = this.stage;
 if (stage == null) return false;
 if (shapeFlag) {
   var matrix = stage.transformationMatrixTo(this);
   if (matrix == null) return false;
   var stagePoint = new Point(x, y);
   var localPoint = matrix.transformPoint(stagePoint);
   return this.hitTestInput(localPoint.x, localPoint.y) != null;
 } else {
   var rect = this.getBounds(stage);
   return rect.contains(x, y);
 }
}
Point localToGlobal(Point localPoint) #
inherited from DisplayObject 
Point localToGlobal(Point localPoint) {
 _tmpMatrix.identity();
 for(var current = this; current != null; current = current._parent) {
   _tmpMatrix.concat(current.transformationMatrix);
 }
 return _tmpMatrix.transformPoint(localPoint);
}
void nextFrame() #
void nextFrame() {
 _currentFrame = _loop ? (_currentFrame + 1) % totalFrames : max(_currentFrame + 1, totalFrames - 1);
 _play = false;
 _frameTime = null;
}
EventStream<Event> on(String eventType) #
inherited from EventDispatcher 
EventStream<Event> on(String eventType) {
 var eventStreams = _eventStreams;
 if (eventStreams == null) {
   eventStreams = new Map<String, EventStream>();
   _eventStreams = eventStreams;
 }
 var eventStream = eventStreams[eventType];
 if (eventStream == null) {
   eventStream = new EventStream._internal(this, eventType);
   eventStreams[eventType] = eventStream;
 }
 return eventStream;
}
void play() #
void play() {
 _play = true;
 _frameTime = null;
}
void prevFrame() #
void prevFrame() {
 _currentFrame = _loop ? (_currentFrame - 1) % totalFrames : min(_currentFrame - 1, 0);
 _play = false;
 _frameTime = null;
}
void refreshCache() #
inherited from DisplayObject 
void refreshCache() {
 if (_cacheTexture == null) return;
 var x = _cacheRectangle.x;
 var y = _cacheRectangle.y;
 var width = _cacheRectangle.width;
 var height = _cacheRectangle.height;
 var canvas = _cacheTexture.canvas;
 var matrix = _cacheTexture.quad.drawMatrix..translate(-x, -y);
 var renderContext = new RenderContextCanvas(canvas, Color.Transparent);
 var renderState = new RenderState(renderContext, matrix);
 renderContext.clear();
 render(renderState);
 if (_filters != null) {
   var cacheBitmapData = new BitmapData.fromRenderTextureQuad(_cacheTexture.quad);
   var bounds = this.getBoundsTransformed(_identityMatrix)..offset(-x, -y);
   for(var filter in _filters) {
     var filterOverlap = filter.overlap;
     var filterBounds = bounds.clone();
     filterBounds.offset(filterOverlap.x, filterOverlap.y);
     filterBounds.inflate(filterOverlap.width, filterOverlap.height);
     filter.apply(cacheBitmapData, filterBounds.align());
   }
 }
 if (_cacheDebugBorder) {
   canvas.context2D
       ..setTransform(1.0, 0.0, 0.0, 1.0, 0.0, 0.0)
       ..lineWidth = 1
       ..lineJoin = "miter"
       ..lineCap = "butt"
       ..strokeStyle = "#FF00FF"
       ..strokeRect(0.5, 0.5, canvas.width - 1, canvas.height - 1);
 }
 _cacheTexture.update();
}
void removeCache() #
inherited from DisplayObject 
void removeCache() {
 if (_cacheTexture != null) {
   _cacheTexture.dispose();
   _cacheTexture = null;
 }
}
void removeEventListener(String eventType, EventListener eventListener, {bool useCapture: false}) #
inherited from EventDispatcher 
void removeEventListener(String eventType, EventListener eventListener, {
 bool useCapture: false }) {
 this.on(eventType)._unsubscribe(eventListener, useCapture);
}
void removeEventListeners(String eventType) #
inherited from EventDispatcher 
void removeEventListeners(String eventType) {
 this.on(eventType).cancelSubscriptions();
}
void removeFromParent() #
inherited from DisplayObject 
void removeFromParent() {
 if (_parent != null)
   _parent.removeChild(this);
}
void render(RenderState renderState) #
void render(RenderState renderState) {
 var bitmapData = _bitmapDatas[_currentFrame];
 if (bitmapData is! BitmapData) return; // dart2js_hint
 // ToDo: The dart2js hint above is necessary to get a good translation
 // of "BitmapData.render". The type check is a little bit expensive,
 // so maybe we can find a better solution. It is strange because the
 // type of "renderState" should have more effect on the dart2js
 // compilation anyway!?!
 if (clipRectangle == null) {
   bitmapData.render(renderState);
 } else {
   bitmapData.renderClipped(renderState, clipRectangle);
 }
}
void setTransform(num x, num y, [num scaleX, num scaleY, num rotation, num skewX, num skewY, num pivotX, num pivotY]) #
inherited from DisplayObject 
void setTransform(num x, num y, [num scaleX, num scaleY, num rotation, num skewX, num skewY, num pivotX, num pivotY]) {
 if (x is num) _x = x;
 if (y is num) _y = y;
 if (scaleX is num) _scaleX = scaleX;
 if (scaleY is num) _scaleY = scaleY;
 if (rotation is num) _rotation = rotation;
 if (skewX is num) _skewX = skewX;
 if (skewY is num) _skewY = skewY;
 if (pivotX is num) _pivotX = pivotX;
 if (pivotY is num) _pivotY = pivotY;
 _transformationMatrixRefresh = true;
}
void stop() #
void stop() {
 _play = false;
 _frameTime = null;
}
Matrix transformationMatrixTo(DisplayObject targetSpace) #
inherited from DisplayObject 
Matrix transformationMatrixTo(DisplayObject targetSpace) {
 if (targetSpace == _parent) {
   return this.transformationMatrix.clone();
 }
 if (targetSpace != null && targetSpace._parent == this) {
   return targetSpace.transformationMatrix.cloneInvert();
 }
 //------------------------------------------------
 Matrix resultMatrix = new Matrix.fromIdentity();
 DisplayObject resultObject = this;
 while(resultObject != targetSpace && resultObject._parent != null) {
   resultMatrix.concat(resultObject.transformationMatrix);
   resultObject = resultObject._parent;
 }
 if (targetSpace == null && resultObject != null) {
   resultMatrix.concat(resultObject.transformationMatrix);
   resultObject = null;
 }
 if (resultObject == targetSpace)
   return resultMatrix;
 //------------------------------------------------
 Matrix targetMatrix = new Matrix.fromIdentity();
 DisplayObject targetObject = targetSpace;
 while(targetObject != this && targetObject._parent != null) {
   targetMatrix.concat(targetObject.transformationMatrix);
   targetObject = targetObject._parent;
 }
 targetMatrix.invert();
 if (targetObject == this) {
   return targetMatrix;
 }
 if (targetObject != resultObject) {
   return null;
 }
 resultMatrix.concat(targetMatrix);
 return resultMatrix;
}