Magic_Game/core/e2dnode.h

#pragma once
#include "e2dbase.h"
#include "e2devent.h"

namespace e2d 
{


class Action;


// <20><>ͼ<EFBFBD>ӿ<EFBFBD>
class Drawable
{
public:
	// <20><>Ⱦͼ<C8BE><CDBC>
	virtual void Draw() const = 0;
};


// <20><><EFBFBD>½ӿ<C2BD>
class Updatable
{
public:
	// <20><>Ⱦͼ<C8BE><CDBC>
	virtual void Update() = 0;
};


// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
class KeyEventHandler
{
public:
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	virtual void Handle(KeyEvent e) = 0;
};


// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
class MouseEventHandler
{
public:
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	virtual void Handle(MouseEvent e) = 0;
};


// <20><>ײ<EFBFBD><D7B2>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
class CollisionHandler
{
public:
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ײ<EFBFBD><D7B2>Ϣ
	virtual void Handle(Collision collision) = 0;
};


// <20>ڵ<EFBFBD>
class Node :
	public Ref
{
	friend class Collider;

public:
	// <20>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	struct Property
	{
		Point pos;			// <20><><EFBFBD><EFBFBD>
		Size size;			// <20><>С
		Point anchor;		// ê<><C3AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		Point scale;		// <20><><EFBFBD><EFBFBD>
		Point skew;			// <20><>б<EFBFBD>Ƕ<EFBFBD>
		float rotation;		// <20><>ת<EFBFBD>Ƕ<EFBFBD>

		Property operator+ (Property const & prop) const;
		Property operator- (Property const & prop) const;

		static const Property Origin;
	};

public:
	typedef std::vector<Node*> Nodes;
	typedef std::vector<Action*> Actions;

	Node();

	virtual ~Node();

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ʾ״̬
	bool IsVisible() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	const String& GetName() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>Ƶ<EFBFBD> Hash ֵ
	size_t GetHashName() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ͼ˳<CDBC><CBB3>
	int GetOrder() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	float GetPosX() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	float GetPosY() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	Point GetPos() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	float GetWidth() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5>߶<EFBFBD>
	float GetHeight() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>
	float GetRealWidth() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5>߶ȣ<DFB6><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>
	float GetRealHeight() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>
	Size GetRealSize() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ê<EFBFBD><C3AA>
	float GetAnchorX() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ê<EFBFBD><C3AA>
	float GetAnchorY() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>С
	Size GetSize() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
	float GetScaleX() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
	float GetScaleY() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>Ƕ<EFBFBD>
	float GetSkewX() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>Ƕ<EFBFBD>
	float GetSkewY() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ת<EFBFBD>Ƕ<EFBFBD>
	float GetRotation() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>
	float GetOpacity() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	Property GetProperty() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	Property GetExtrapolate() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ײ<EFBFBD><D7B2>
	Collider * GetCollider();

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ڵ<EFBFBD>
	Node * GetParent() const;

	// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>ڳ<EFBFBD><DAB3><EFBFBD>
	Scene * GetParentScene() const;

	// <20><><EFBFBD>ýڵ<C3BD><DAB5>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ
	void SetVisible(
		bool value
	);

	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	void SetName(
		const String& name
	);

	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	virtual void SetPosX(
		float x
	);

	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	virtual void SetPosY(
		float y
	);

	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	virtual void SetPos(
		const Point & point
	);

	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	virtual void SetPos(
		float x,
		float y
	);

	// <20>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̶<EFBFBD>
	virtual void SetPosFixed(
		bool fixed
	);

	// <20>ƶ<EFBFBD><C6B6>ڵ<EFBFBD>
	virtual void Move(
		float x,
		float y
	);

	// <20>ƶ<EFBFBD><C6B6>ڵ<EFBFBD>
	virtual void Move(
		const Point & v
	);

	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD>ͼ˳<CDBC><CBB3>
	// Ĭ<><C4AC>Ϊ 0
	virtual void SetOrder(
		int order
	);

	// <20><><EFBFBD>ú<EFBFBD><C3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
	// Ĭ<><C4AC>Ϊ 1.0
	virtual void SetScaleX(
		float scale_x
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
	// Ĭ<><C4AC>Ϊ 1.0
	virtual void SetScaleY(
		float scale_y
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
	// Ĭ<><C4AC>Ϊ (1.0, 1.0)
	virtual void SetScale(
		float scale_x,
		float scale_y
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
	// Ĭ<><C4AC>Ϊ 1.0
	virtual void SetScale(
		float scale
	);

	// <20><><EFBFBD>ú<EFBFBD><C3BA><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>Ƕ<EFBFBD>
	// Ĭ<><C4AC>Ϊ 0
	virtual void SetSkewX(
		float skew_x
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>Ƕ<EFBFBD>
	// Ĭ<><C4AC>Ϊ 0
	virtual void SetSkewY(
		float skew_y
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>Ƕ<EFBFBD>
	// Ĭ<><C4AC>Ϊ (0, 0)
	virtual void SetSkew(
		float skew_x,
		float skew_y
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD>Ƕ<EFBFBD>
	// Ĭ<><C4AC>Ϊ 0
	virtual void SetRotation(
		float rotation
	);

	// <20><><EFBFBD><EFBFBD>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>
	// Ĭ<><C4AC>Ϊ 1.0, <20><>Χ [0, 1]
	virtual void SetOpacity(
		float opacity
	);

	// <20><><EFBFBD><EFBFBD>ê<EFBFBD><C3AA><EFBFBD>ĺ<EFBFBD><C4BA><EFBFBD>λ<EFBFBD><CEBB>
	// Ĭ<><C4AC>Ϊ 0, <20><>Χ [0, 1]
	virtual void SetAnchorX(
		float anchor_x
	);

	// <20><><EFBFBD><EFBFBD>ê<EFBFBD><C3AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
	// Ĭ<><C4AC>Ϊ 0, <20><>Χ [0, 1]
	virtual void SetAnchorY(
		float anchor_y
	);

	// <20><><EFBFBD><EFBFBD>ê<EFBFBD><C3AA>λ<EFBFBD><CEBB>
	// Ĭ<><C4AC>Ϊ (0, 0), <20><>Χ [0, 1]
	virtual void SetAnchor(
		float anchor_x,
		float anchor_y
	);

	// <20>޸Ľڵ<C4BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	virtual void SetWidth(
		float width
	);

	// <20>޸Ľڵ<C4BD><DAB5>߶<EFBFBD>
	virtual void SetHeight(
		float height
	);

	// <20>޸Ľڵ<C4BD><DAB5><EFBFBD>С
	virtual void SetSize(
		float width,
		float height
	);

	// <20>޸Ľڵ<C4BD><DAB5><EFBFBD>С
	virtual void SetSize(
		Size size
	);

	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	virtual void SetProperty(
		Property prop
	);

	// <20><><EFBFBD>û<EFBFBD><C3BB>ر<EFBFBD><D8B1><EFBFBD>Ⱦ<EFBFBD><C8BE><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD>
	virtual void SetClipEnabled(
		bool enabled
	);

	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD>Ե<EFBFBD><D4B5>ɫ
	virtual void SetBorderColor(
		const Color& color
	);

	// <20>жϵ<D0B6><CFB5>Ƿ<EFBFBD><C7B7>ڽڵ<DABD><DAB5><EFBFBD>
	bool ContainsPoint(
		const Point& point
	);

	// <20>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>ཻ
	bool Intersects(
		Node * node
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>ӽڵ<D3BD>
	void AddChild(
		Node * child,
		int order = 0		/* <20><>Ⱦ˳<C8BE><CBB3> */
	);

	// <20><><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD>ӽڵ<D3BD>
	void AddChild(
		const Nodes& nodes,	/* <20>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD> */
		int order = 0		/* <20><>Ⱦ˳<C8BE><CBB3> */
	);

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ӽڵ<D3BD>
	Nodes GetChildren(
		const String& name
	) const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ӽڵ<D3BD>
	Node* GetChild(
		const String& name
	) const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ӽڵ<D3BD>
	const Nodes& GetAllChildren() const;

	// <20><>ȡ<EFBFBD>ӽڵ<D3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	int GetChildrenCount() const;

	// <20>Ƴ<EFBFBD><C6B3>ӽڵ<D3BD>
	bool RemoveChild(
		Node * child
	);

	// <20>Ƴ<EFBFBD><C6B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ӽڵ<D3BD>
	void RemoveChildren(
		const String& child_name
	);

	// <20>Ƴ<EFBFBD><C6B3><EFBFBD><EFBFBD>нڵ<D0BD>
	void RemoveAllChildren();

	// <20>Ӹ<EFBFBD><D3B8>ڵ<EFBFBD><DAB5>Ƴ<EFBFBD>
	void RemoveFromParent();

	// ִ<>ж<EFBFBD><D0B6><EFBFBD>
	void RunAction(
		Action * action
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	void ResumeAction(
		const String& name
	);

	// <20><>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD>
	void PauseAction(
		const String& name
	);

	// ֹͣ<CDA3><D6B9><EFBFBD><EFBFBD>
	void StopAction(
		const String& name
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD>
	void ResumeAllActions();

	// <20><>ͣ<EFBFBD><CDA3><EFBFBD>ж<EFBFBD><D0B6><EFBFBD>
	void PauseAllActions();

	// ֹͣ<CDA3><D6B9><EFBFBD>ж<EFBFBD><D0B6><EFBFBD>
	void StopAllActions();

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ж<EFBFBD><D0B6><EFBFBD>
	const Actions& GetAllActions() const;

	// ˢ<>¶<EFBFBD><C2B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	void UpdateActionsTime();

	// <20>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	virtual bool Dispatch(
		const MouseEvent& e,
		bool handled
	);

	// <20>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	virtual bool Dispatch(
		const KeyEvent& e,
		bool handled
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>
	virtual void Visit();

protected:
	E2D_DISABLE_COPY(Node);

	// <20><>Ⱦ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>Ե
	void DrawBorder();

	// <20><>Ⱦ<EFBFBD><C8BE>ײ<EFBFBD><D7B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	void DrawCollider();

	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD>ڳ<EFBFBD><DAB3><EFBFBD>
	void SetParentScene(
		Scene * scene
	);

	// <20>ӽڵ<D3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
	void SortChildren();

	// <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	void UpdateTransform();

	// <20><><EFBFBD>½ڵ<C2BD>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>
	void UpdateOpacity();

	// <20><><EFBFBD>¶<EFBFBD><C2B6><EFBFBD>
	void UpdateActions();

protected:
	String		name_;
	size_t		hash_name_;
	Point		pos_;
	Size		size_;
	Point		scale_;
	Point		anchor_;
	Point		skew_;
	float		rotation_;
	float		display_opacity_;
	float		real_opacity_;
	int			order_;
	bool		visible_;
	bool		clip_enabled_;
	bool		need_sort_;
	bool		need_transform_;
	bool		fixed_position_;
	Collider	collider_;
	Scene *		parent_scene_;
	Node *		parent_;
	Property	extrapolate_;
	Color		border_color_;
	Actions		actions_;
	Nodes		children_;
	ID2D1Geometry*		border_;
	D2D1::Matrix3x2F	initial_matrix_;
	D2D1::Matrix3x2F	final_matrix_;
};


// <20><><EFBFBD><EFBFBD>
class Scene :
	public Node
{
public:
	Scene();

	virtual ~Scene();

	// <20><><EFBFBD>볡<EFBFBD><EBB3A1>
	virtual void OnEnter() {}

	// <20>˳<EFBFBD><CBB3><EFBFBD><EFBFBD><EFBFBD>
	virtual void OnExit() {}

	// <20>رմ<D8B1><D5B4><EFBFBD>
	// ˵<><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false <20><><EFBFBD><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD>ڹر<DAB9>
	virtual bool OnCloseWindow() { return true; }

	// <20><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD>ؽڵ<D8BD><DAB5><EFBFBD>Ե
	// Ĭ<>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD>
	void ShowBorder(
		bool visible
	);

	// <20><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ײ<EFBFBD><D7B2>
	// Ĭ<>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD>
	void ShowCollider(
		bool visible
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>
	virtual void Visit() override;

protected:
	E2D_DISABLE_COPY(Scene);

protected:
	bool border_visible_;
	bool collider_visible_;
};


// <20><><EFBFBD><EFBFBD>
class Sprite :
	public Node,
	public Drawable
{
public:
	Sprite();

	explicit Sprite(
		Image * image
	);

	explicit Sprite(
		const Resource& res
	);

	explicit Sprite(
		const Resource& res,
		const Rect& crop_rect	/* <20>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD> */
	);

	explicit Sprite(
		const String& file_name
	);

	explicit Sprite(
		const String& file_name,
		const Rect& crop_rect	/* <20>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD> */
	);

	virtual ~Sprite();

	// <20><><EFBFBD><EFBFBD>ͼƬ<CDBC>ļ<EFBFBD>
	bool Open(
		const Resource& res
	);

	// <20><><EFBFBD><EFBFBD>ͼƬ<CDBC>ļ<EFBFBD>
	bool Open(
		const String& file_name
	);
	
	// <20><><EFBFBD><EFBFBD>ͼƬ
	bool Open(
		Image * image
	);

	// <20><>ͼƬ<CDBC>ü<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
	void Crop(
		const Rect& crop_rect	/* <20>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD> */
	);

	// <20><>ȡ Image <20><><EFBFBD><EFBFBD>
	Image * GetImage() const;

	// <20><>Ⱦ<EFBFBD><C8BE><EFBFBD><EFBFBD>
	virtual void Draw() const override;

protected:
	E2D_DISABLE_COPY(Sprite);

protected:
	Image * image_;
};


// <20>ı<EFBFBD>
class Text :
	public Node,
	public Drawable
{
public:
	// <20>ı<EFBFBD><C4B1><EFBFBD><EFBFBD>뷽ʽ
	enum class Align
	{
		Left,		/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
		Right,		/* <20>Ҷ<EFBFBD><D2B6><EFBFBD> */
		Center		/* <20><><EFBFBD>ж<EFBFBD><D0B6><EFBFBD> */
	};

	// <20>ı<EFBFBD><C4B1><EFBFBD>ʽ
	class Style
	{
	public:
		Color		color;				// <20><>ɫ
		Align		alignment;			// <20><><EFBFBD>뷽ʽ
		bool		wrap;				// <20><><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>
		float		wrap_width;			// <20>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>п<EFBFBD><D0BF><EFBFBD>
		float		line_spacing;		// <20>м<EFBFBD><D0BC><EFBFBD>
		bool		underline;			// <20>»<EFBFBD><C2BB><EFBFBD>
		bool		strikethrough;		// ɾ<><C9BE><EFBFBD><EFBFBD>
		bool		outline;			// <20><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
		Color		outline_color;		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
		float		outline_width;		// <20><><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD>
		Stroke		outline_stroke;		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ཻ<EFBFBD><E0BDBB>ʽ

	public:
		Style();

		Style(
			Color color,
			Align alignment = Align::Left,
			bool wrap = false,
			float wrap_width = 0.f,
			float line_spacing = 0.f,
			bool underline = false,
			bool strikethrough = false,
			bool outline = true,
			Color outline_color = Color(Color::Black, 0.5),
			float outline_width = 1.f,
			Stroke outline_stroke = Stroke::Round
		);
	};

public:
	Text();

	explicit Text(
		const String& text,						/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
		const Font& font = Font(),				/* <20><><EFBFBD><EFBFBD> */
		const Style& style = Style()			/* <20>ı<EFBFBD><C4B1><EFBFBD>ʽ */
	);

	virtual ~Text();

	// <20><>ȡ<EFBFBD>ı<EFBFBD>
	const String& GetText() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
	const Font& GetFont() const;

	// <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ʽ
	const Style& GetStyle() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	const String& GetFontFamily() const;

	// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD>ֺ<EFBFBD>
	float GetFontSize() const;

	// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸֵ
	UINT GetFontWeight() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
	const Color& GetColor() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
	const Color& GetOutlineColor() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD>
	float GetOutlineWidth() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ཻ<EFBFBD><E0BDBB>ʽ
	Stroke GetOutlineStroke() const;

	// <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
	int GetLineCount() const;

	// <20>Ƿ<EFBFBD><C7B7><EFBFBD>б<EFBFBD><D0B1>
	bool IsItalic() const;

	// <20>Ƿ<EFBFBD><C7B7><EFBFBD>ʾɾ<CABE><C9BE><EFBFBD><EFBFBD>
	bool strikethrough() const;

	// <20>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ<EFBFBD>»<EFBFBD><C2BB><EFBFBD>
	bool underline() const;

	// <20>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
	bool outline() const;

	// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD>
	void SetText(
		const String& text
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ʽ
	void SetStyle(
		const Style& style
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	void SetFont(
		const Font& font
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	void SetFontFamily(
		const String& family
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>ֺţ<D6BA>Ĭ<EFBFBD><C4AC>ֵΪ 22<32><32>
	void SetFontSize(
		float size
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸֵ<CFB8><D6B5>Ĭ<EFBFBD><C4AC>ֵΪ Text::Font::Weight::Normal<61><6C>
	void SetFontWeight(
		UINT weight
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB>Ĭ<EFBFBD><C4AC>ֵΪ Color::WHITE<54><45>
	void SetColor(
		Color color
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>壨Ĭ<E5A3A8><C4AC>ֵΪ false<73><65>
	void SetItalic(
		bool value
	);

	// <20>򿪻<EFBFBD><F2BFAABB>ر<EFBFBD><D8B1>ı<EFBFBD><C4B1>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>У<EFBFBD>Ĭ<EFBFBD><C4AC>Ϊ<EFBFBD>رգ<D8B1>
	void SetWrapEnabled(
		bool wrap
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>еĿ<D0B5><C4BF>ȣ<EFBFBD>Ĭ<EFBFBD><C4AC>Ϊ 0<><30>
	void SetWrapWidth(
		float wrap_width
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC>ࣨĬ<E0A3A8><C4AC>Ϊ 0<><30>
	void SetLineSpacing(
		float line_spacing
	);

	// <20><><EFBFBD>ö<EFBFBD><C3B6>뷽ʽ<EBB7BD><CABD>Ĭ<EFBFBD><C4AC>Ϊ Align::Left<66><74>
	void SetAlignment(
		Align align
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>»<EFBFBD><C2BB>ߣ<EFBFBD>Ĭ<EFBFBD><C4AC>ֵΪ false<73><65>
	void SetUnderline(
		bool underline
	);

	// <20><><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE><EFBFBD>ߣ<EFBFBD>Ĭ<EFBFBD><C4AC>ֵΪ false<73><65>
	void SetStrikethrough(
		bool strikethrough
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
	void SetOutline(
		bool outline
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
	void SetOutlineColor(
		Color outline_color
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD>
	void SetOutlineWidth(
		float outline_width
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ཻ<EFBFBD><E0BDBB>ʽ
	void SetOutlineStroke(
		Stroke outline_stroke
	);

	// <20><>Ⱦ<EFBFBD><C8BE><EFBFBD><EFBFBD>
	virtual void Draw() const override;

protected:
	E2D_DISABLE_COPY(Text);

	// <20><><EFBFBD><EFBFBD><EFBFBD>Ű<EFBFBD><C5B0><EFBFBD><EFBFBD><EFBFBD>
	void Reset();

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>ʽ<EFBFBD><CABD>
	void CreateFormat();

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD>
	void CreateLayout();

protected:
	String	text_;
	Font	font_;
	Style	style_;
	IDWriteTextFormat * text_format_;
	IDWriteTextLayout * text_layout_;
};


class Button :
	public Node
{
public:
	Button();

	explicit Button(
		Node * normal,					/* <20><>ͨ״̬ */
		const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
	);

	explicit Button(
		Node * normal,					/* <20><>ͨ״̬ */
		Node * selected,				/* <20><><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
		const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
	);

	explicit Button(
		Node * normal,					/* <20><>ͨ״̬ */
		Node * mouseover,				/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
		Node * selected,				/* <20><><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
		const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
	);

	explicit Button(
		Node * normal,					/* <20><>ͨ״̬ */
		Node * mouseover,				/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
		Node * selected,				/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
		Node * disabled,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>״̬ */
		const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
	);

	// <20><>ȡ<EFBFBD><C8A1>ť״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB>ǽ<EFBFBD><C7BD><EFBFBD>
	bool IsEnable() const;

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>
	void SetEnabled(
		bool enabled
	);

	// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>İ<EFBFBD>ť
	virtual void SetNormal(
		Node * normal
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>밴ťʱ<C5A5><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
	virtual void SetMouseOver(
		Node * mouseover
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>갴<EFBFBD>°<EFBFBD>ťʱ<C5A5><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
	virtual void SetSelected(
		Node * selected
	);

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
	virtual void SetDisabled(
		Node * disabled
	);

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
	void SetCallbackOnClick(
		const Function& func
	);

	// <20><><EFBFBD><EFBFBD>ê<EFBFBD><C3AA>λ<EFBFBD><CEBB>
	// Ĭ<><C4AC>Ϊ (0, 0), <20><>Χ [0, 1]
	virtual void SetAnchor(
		float anchor_x,
		float anchor_y
	) override;

	// <20>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	virtual bool Dispatch(
		const MouseEvent& e,
		bool handled
	) override;

	// <20><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>
	virtual void Visit() override;

protected:
	E2D_DISABLE_COPY(Button);

	// <20><>ť״̬ö<CCAC><C3B6>
	enum class Status { Normal, Mouseover, Selected };

	// <20><><EFBFBD>ð<EFBFBD>ť״̬
	virtual void SetStatus(
		Status status
	);

	// ˢ<>°<EFBFBD>ť<EFBFBD><C5A5>ʾ
	virtual void UpdateVisible();

	// <20><><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>
	virtual void OnClick();

protected:
	Node *		normal_;
	Node *		mouseover_;
	Node *		selected_;
	Node *		disabled_;
	bool		enabled_;
	bool		is_selected_;
	Status		status_;
	Function	callback_;
};


class ToggleButton :
	public Button
{
public:
	ToggleButton();

	explicit ToggleButton(
		Node * normal_on,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ͨ״̬ */
		Node * normal_off,				/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ͨ״̬ */
		const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
	);

	explicit ToggleButton(
		Node * normal_on,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ͨ״̬ */
		Node * normal_off,				/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ͨ״̬ */
		Node * selected_on,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
		Node * selected_off,			/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
		const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
	);

	explicit ToggleButton(
		Node * normal_on,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ͨ״̬ */
		Node * normal_off,				/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ͨ״̬ */
		Node * mouseover_on,			/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
		Node * mouseover_off,			/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
		Node * selected_on,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
		Node * selected_off,			/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
		const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
	);

	explicit ToggleButton(
		Node * normal_on,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ͨ״̬ */
		Node * normal_off,				/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ͨ״̬ */
		Node * mouseover_on,			/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
		Node * mouseover_off,			/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
		Node * selected_on,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
		Node * selected_off,			/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
		Node * disabled_on,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
		Node * disabled_off,			/* <20><>ť<EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
		const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
	);

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>״̬
	bool IsChecked() const;

	// <20><><EFBFBD>ÿ<EFBFBD><C3BF>ذ<EFBFBD>ť<EFBFBD><C5A5>״̬
	void SetChecked(
		bool checked
	);

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>ʾ<EFBFBD>İ<EFBFBD>ť
	virtual void SetNormal(
		Node * normal
	) override;

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>״̬<D7B4>£<EFBFBD><C2A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>밴ťʱ<C5A5><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
	virtual void SetMouseOver(
		Node * mouseover
	) override;

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>״̬<D7B4>£<EFBFBD><C2A3><EFBFBD><EFBFBD>갴<EFBFBD>°<EFBFBD>ťʱ<C5A5><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
	virtual void SetSelected(
		Node * selected
	) override;

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>״̬<D7B4>£<EFBFBD><C2A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
	virtual void SetDisabled(
		Node * disabled
	) override;

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD>ر<EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>ʾ<EFBFBD>İ<EFBFBD>ť
	void SetNormalOff(
		Node * normal
	);

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD>ر<EFBFBD>״̬<D7B4>£<EFBFBD><C2A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>밴ťʱ<C5A5><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
	void SetMouseOverOff(
		Node * mouseover
	);

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD>ر<EFBFBD>״̬<D7B4>£<EFBFBD><C2A3><EFBFBD><EFBFBD>갴<EFBFBD>°<EFBFBD>ťʱ<C5A5><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
	void SetSelectedOff(
		Node * selected
	);

	// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD>ر<EFBFBD>״̬<D7B4>£<EFBFBD><C2A3><EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
	void SetDisabledOff(
		Node * disabled
	);

	// <20><><EFBFBD><EFBFBD>ê<EFBFBD><C3AA>λ<EFBFBD><CEBB>
	// Ĭ<><C4AC>Ϊ (0, 0), <20><>Χ [0, 1]
	virtual void SetAnchor(
		float anchor_x,
		float anchor_y
	) override;

protected:
	E2D_DISABLE_COPY(ToggleButton);

	// ˢ<>°<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>
	virtual void UpdateStatus();

	// ִ<>а<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	virtual void OnClick() override;

protected:
	Node*	normal_on_;
	Node*	mouseover_on_;
	Node*	selected_on_;
	Node*	disabled_on_;
	Node*	normal_off_;
	Node*	mouseover_off_;
	Node*	selected_off_;
	Node*	disabled_off_;
	bool	checked_;
};


class Menu :
	public Node
{
public:
	Menu();

	explicit Menu(
		const std::vector<Button*>& buttons	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD> */
	);

	// <20><>ȡ<EFBFBD>˵<EFBFBD><CBB5>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
	bool IsEnable() const;

	// <20><>ȡ<EFBFBD>˵<EFBFBD><CBB5>еİ<D0B5>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>
	size_t GetButtonCount() const;

	// <20><><EFBFBD>ò˵<C3B2><CBB5><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>
	void SetEnabled(
		bool enabled
	);

	// <20><><EFBFBD>Ӱ<EFBFBD>ť
	void AddButton(
		Button * button
	);

	// <20>Ƴ<EFBFBD><C6B3><EFBFBD>ť
	bool RemoveButton(
		Button * button
	);

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD>а<EFBFBD>ť
	const std::vector<Button*>& GetAllButtons() const;

protected:
	E2D_DISABLE_COPY(Menu);

protected:
	bool enabled_;
	std::vector<Button*> buttons_;
};


// <20><><EFBFBD><EFBFBD>
class Canvas :
	public Node,
	public Drawable
{
public:
	Canvas(
		float width,
		float height
	);

	virtual ~Canvas();

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
	void SetLineColor(
		const Color& color
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
	void SetFillColor(
		const Color& color
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	void SetStrokeWidth(
		float width
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ཻ<EFBFBD><E0BDBB>ʽ
	void SetStrokeStyle(
		Stroke strokeStyle
	);

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
	Color GetLineColor() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
	Color GetFillColor() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	float GetStrokeWidth() const;

	// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ཻ<EFBFBD><E0BDBB>ʽ
	Stroke GetStrokeStyle() const;

	// <20><>ֱ<EFBFBD><D6B1>
	void DrawLine(
		const Point& begin,
		const Point& end
	);

	// <20><>Բ<EFBFBD>α߿<CEB1>
	void DrawCircle(
		const Point& center,
		float radius
	);

	// <20><><EFBFBD><EFBFBD>Բ<EFBFBD>α߿<CEB1>
	void DrawEllipse(
		const Point& center,
		float radius_x,
		float radius_y
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD>α߿<CEB1>
	void DrawRect(
		const Rect& rect
	);

	// <20><>Բ<EFBFBD>Ǿ<EFBFBD><C7BE>α߿<CEB1>
	void DrawRoundedRect(
		const Rect& rect,
		float radius_x,
		float radius_y
	);

	// <20><><EFBFBD><EFBFBD>Բ<EFBFBD><D4B2>
	void FillCircle(
		const Point& center,
		float radius
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD><D4B2>
	void FillEllipse(
		const Point& center,
		float radius_x,
		float radius_y
	);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	void FillRect(
		const Rect& rect
	);

	// <20><><EFBFBD><EFBFBD>Բ<EFBFBD>Ǿ<EFBFBD><C7BE><EFBFBD>
	void FillRoundedRect(
		const Rect& rect,
		float radius_x,
		float radius_y
	);

protected:
	E2D_DISABLE_COPY(Canvas);

protected:
	float	stroke_width_;
	Stroke	stroke_;
	ID2D1RenderTarget * render_target_;
	ID2D1SolidColorBrush * fill_brush_;
	ID2D1SolidColorBrush * line_brush_;
	ID2D1StrokeStyle * stroke_style_;
};

}