{

Q_OBJECT

public:

void init(QWidget* parent);

void clean(void);

void beginScene(Begin2DSceneMessage* msg);

void updateActor(Update2DActorMessage* msg, const Filter::Actor2DResult& filterResult);

void endScene(End2DSceneMessage* msg);

protected:

void closeEvent(QCloseEvent *event) override;

void mousePressEvent(QMouseEvent *e) override;

void mouseMoveEvent(QMouseEvent *e) override;

void mouseReleaseEvent(QMouseEvent *e) override;

void wheelEvent(QWheelEvent *e) override;

void paintEvent(QPaintEvent *event) override;

void resizeGL(int w, int h) override;

private:

QString m_title;

QBrush m_backgroundBrush;

QBrush m_sceneBrush;

QPen m_sceneBorderPen;

QPen m_sceneGridPen;

QPen m_infoTextPen;

QFont m_infoTextFont;

Scene2D* m_scene;

Camera2D* m_camera;

QPointF m_cursorPosView;

QPointF m_cursorPosScene;

private:

void _getMouseTips(const QTransform& localMove, const Scene2D::Actor& actor, QString& mouseTips);

void _drawGrid(QPainter& painter);

public:

static void initCachedObject(void);

static void deleteCachedObject(void);

private:

static QPen& getCachedPen(uint16_t color);

static QBrush& getCachedBrush(uint16_t color);

enum { MAX_COLOR_COUNTS = 0xFFF };

static QPen* m_cachedPen[MAX_COLOR_COUNTS];

static QBrush* m_cachedBrush[MAX_COLOR_COUNTS];

public:

Map2DChild(const QString& title);

virtual ~Map2DChild();