1、程序截图3 实验要求(1) 深入复习教材中介绍的各种设计模式。(2) 实验步骤和实验总结中要详细描述实验过程中出现的问题、原因和解决方法。4 实验步骤4.1采用单件设计模式设计抽象工厂类,画出类结构图,写出类结构图对应的代码原型,并写出相应的主函数中的实现代码。 4.1.1. 类结构图4.1.2. 代码原型namespace ges class AbstractFactory public: AbstractFactory() if (_count = 1) if (_pInstance) delete _pInstance; -_count; protected: AbstractFacto
2、ry() virtual Line* CreateProductLine(const int& posX0, const int& posY0, const int& posX1, const int& posY1, const int& id) return nullptr; virtual Symbol* CreateProductSymbol(const int& posX, const int& posY, const int&id) virtual Text* CreateProductText(const int& virtual Rectangle* CreateProductR
3、ectangle(const int& posY0, const int& virtual Picture* CreateProductPicture(const int& id)return new Picture(id); static AbstractFactory* CreateInstance() if (nullptr = _pInstance) _pInstance = new AbstractFactory(); +_count; return _pInstance; static AbstractFactory* _pInstance; static int _count;
4、; class ConcreteFactory1 : public AbstractFactory ConcreteFactory1() private: ConcreteFactory1() id) override return new Line1(posX0, posY0, posX1, posY1, id);id) override return new Symbol1(posX, posY, id); return new Text1(TEXT(双击输入标注内容), posX, posY, id); return new Rectangle1(posX0, posY0, posX1,
5、 posY1, id); / Hidden interfaces id) override return nullptr; static ConcreteFactory1* CreateInstance() if (nullptr = _pInstance) _pInstance = new ConcreteFactory1(); static ConcreteFactory1* _pInstance; class ConcreteFactory2 : ConcreteFactory2() ConcreteFactory2()const int& return new Line2(TEXT(2
6、00), posX0, posY0, posX1, posY1, id); return new Symbol2(TEXT(静61-127C return new Text2(TEXT( return new Rectangle2(posX0, posY0, posX1, posY1, id); static ConcreteFactory2* CreateInstance() _pInstance = new ConcreteFactory2(); static ConcreteFactory2* _pInstance; / namespace ges4.1.3. 主函数中的实现代码_pFa
7、ctory = AbstractFactory:CreateInstance(); _pFactory = ConcreteFactory2: _pFactory = ConcreteFactory1:4.2采用Composite设计模式设计直线、符号、字符串、方框及复合图形,画出类结构图,写出类结构图对应的代码原型,并写出相应的主函数中的实现代码。 4.2.1 类结构图 4.2.2. 代码原型 class Client; / forward declaring class Client / * / class Graphic class Graphic abstract : public I
8、Ded Graphic(const int& id) : IDed(id) virtual Graphic() ; virtual void Draw(Client* pView, const HDC& hdc) const = 0; virtual void Update(Client* pView, const HDC& virtual void Add(Graphic* pGraphicObj) = 0; virtual void Remove(const int& id) = 0; virtual Graphic* GetChild(const int& virtual void On
9、Move(const short& deltaX, const short& deltaY) = 0; virtual bool IsHit(const int& x, const int& y) const = 0; virtual int QueryInterface() const = 0; virtual bool Save(HANDLE hFile) const = 0; virtual bool Load(HANDLE hFile) = 0; / * / class Picture class Picture : public Graphic Picture(const int&
10、Graphic(id), _real(false) Picture() if (_real) for (auto& pObj : _pGraphics) delete pObj; / Implementations hdc) const override hdc) const override for (auto& pObj-Update(pView, hdc); virtual void Add(Graphic* pGraphicObj) override if (pObj-IDEqual(pGraphicObj-GetID() return; / Error: Conflict with
11、existing graphic _pGraphics.push_back(pGraphicObj); std:vectorconst_iterator citer; for (citer = _pGraphics.begin(); citer != _pGraphics.end(); +citer) if (*citer)-IDEqual(id) delete (*citer); _pGraphics.erase(citer); pChild : if (pChild-IDEqual(id) return pChild; return nullptr; virtual void OnMove
12、(const short& deltaY) overrideOnMove(deltaX, deltaY); virtual bool Save(HANDLE hFile) const override DWORD bw = 0; int gt = GT_PICTURE; int group = GES_FILE_GROUP_TOUCH; / Write GT into the file. if (FALSE = WriteFile(hFile, >, sizeof(int), &bw, nullptr) return false; / Write Group-Begin flag into
13、 the file. if (FALSE = WriteFile(hFile, &group, sizeof(int), & return false; if (false = pObj-Save(hFile) CloseHandle(hFile); return true; virtual bool Load(HANDLE hFile) override; virtual int QueryInterface() const override return GT_PICTURE; / This is a picture class. virtual bool IsHit(const int&
14、 y) const overrideIsHit(x, y) return true; return false; virtual void GetGraphicsPtrs(std:& pGraphics) const pGraphics = _pGraphics; inline void SetReal(const bool& real) _real = real; std: _pGraphics; bool _real; class Symbol abstract : Symbol(const int& Graphic(id) virtual void SetText(TCHAR* pTex
15、t) = 0; / Hid the unused interfaces virtual void Add(Graphic* pGraphicObj) override ; id) override ; id) override return nullptr; return GT_SYMBOL; / This is a symbol class. class Line abstract : Line(const int& virtual void SetStartPos(const int& posY) = 0; virtual void SetEndPos(const int& virtual bool IsPossibleToViewThis() const = 0; return GT_LINE; / This is a line class. class Text abstract : Text(const int& virtual void SetFontSize(const int& fontSize) = 0; return GT_TEXT; / This is a text class. class Rectangle abstract : public Graphic Rectangle(const int&
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