基于MFC的绘图软件设计

// CDrawApp消息处理程序

// 用于应用程序“关于”菜单项的CAboutDlg对话框 classCAboutDlg : public CDialogEx { public:

CAboutDlg(); // 对话框数据

#ifdef AFX_DESIGN_TIME

enum { IDD = IDD_ABOUTBOX }; #endif protected: virtual void DoDataExchange(CDataExchange* pDX); 持

// 实现 protected: DECLARE_MESSAGE_MAP()

public:

};

CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX) { }

voidCAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialogEx::DoDataExchange(pDX);

}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)

ON_WM_MOUSEMOVE() END_MESSAGE_MAP()

// 用于运行对话框的应用程序命令 voidCDrawApp::OnAppAbout() { CAboutDlgaboutDlg; aboutDlg.DoModal();

}

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// DDX/DDV 支

MainFrm.cpp代码

// MainFrm.cpp : CMainFrame类的实现 #ifdef _DEBUG

#define new DEBUG_NEW #endif // CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd) constintiMaxUserToolbars = 10;

const UINT uiFirstUserToolBarId = AFX_IDW_CONTROLBAR_FIRST + 40; const UINT uiLastUserToolBarId = uiFirstUserToolBarId + iMaxUserToolbars - 1; BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd) ON_WM_CREATE() END_MESSAGE_MAP() static UINT indicators[] = {

ID_SEPARATOR, // 状态行指示器 ID_INDICATOR_CAPS, ID_INDICATOR_NUM, ID_INDICATOR_SCRL, };

// CMainFrame构造/析构 CMainFrame::CMainFrame() {

// TODO: 在此添加成员初始化代码 }

CMainFrame::~CMainFrame() { }

intCMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) {

if (CFrameWnd::OnCreate(lpCreateStruct) == -1)

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return -1;

if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD |

WS_VISIBLE | CBRS_TOP | CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) || { }

if (!m_wndStatusBar.Create(this)) { }

m_wndStatusBar.SetIndicators(indicators, sizeof(indicators)/sizeof(UINT)); // TODO: 如果不需要可停靠工具栏，则删除这三行 m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY); EnableDocking(CBRS_ALIGN_ANY); DockControlBar(&m_wndToolBar); return 0; }

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT&cs) {

if( !CFrameWnd::PreCreateWindow(cs) )

return FALSE; // TODO: 在此处通过修改

// CREATESTRUCT cs来修改窗口类或样式 return TRUE; }

// CMainFrame诊断 #ifdef _DEBUG

voidCMainFrame::AssertValid() const {

CFrameWnd::AssertValid();

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!m_wndToolBar.LoadToolBar(IDR_MAINFRAME)) TRACE0(\未能创建工具栏\\n\return -1; // 未能创建

TRACE0(\未能创建状态栏\\n\return -1; // 未能创建

}

voidCMainFrame::Dump(CDumpContext& dc) const {

CFrameWnd::Dump(dc); }

#endif //_DEBUG

// CMainFrame消息处理程序

Graph.h代码

// Graph.cpp : 实现文件 //

#include \#include \#include \// CGraph

IMPLEMENT_DYNAMIC(CGraph, CWnd)

CGraph::CGraph(intm_nDrawType, intm_nxiankuan, COLORREF m_clr, CPointm_ptOrign, CPointm_ptEnd)

{ }

CGraph::CGraph() { }

CGraph::~CGraph() { }

BEGIN_MESSAGE_MAP(CGraph, CWnd) END_MESSAGE_MAP()

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this->m_nDrawType = m_nDrawType; this->m_ptOrign = m_ptOrign; this->m_ptEnd = m_ptEnd; this->m_nxiankuan = m_nxiankuan; this->m_clr = m_clr;

// CGraph消息处理程序

DrawDoc.cpp代码

// DrawDoc.cpp : CDrawDoc类的实现

// SHARED_HANDLERS 可以在实现预览、缩略图和搜索筛选器句柄的 // ATL 项目中进行定义，并允许与该项目共享文档代码。 #ifndef SHARED_HANDLERS #include \#endif

#include \#include #ifdef _DEBUG

#define new DEBUG_NEW #endif // CDrawDoc

IMPLEMENT_DYNCREATE(CDrawDoc, CDocument) BEGIN_MESSAGE_MAP(CDrawDoc, CDocument) END_MESSAGE_MAP() // CDrawDoc构造/析构 CDrawDoc::CDrawDoc() { }

CDrawDoc::~CDrawDoc() { }

BOOL CDrawDoc::OnNewDocument() {

if (!CDocument::OnNewDocument())

return FALSE;

// TODO: 在此添加重新初始化代码 // (SDI 文档将重用该文档) return TRUE;

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// TODO: 在此添加一次性构造代码