计算机图形学—绘制任意斜率的直线段 vs全代码

// MainFrm.cpp: CMainFrame 类的实现 // #include "stdafx.h" #include "Text0.h" #include "MainFrm.h" #undef THIS_FILE static char THIS_FILE[] = __FILE__; #ifdef _DEBUG #define new DEBUG_NEW #endif // CMainFrame IMPLEMENT_DYNCREATE(CMainFrame, CFrameWndEx) const int iMaxUserToolbars = 10; const UINT uiFirstUserToolBarId = AFX_IDW_CONTROLBAR_FIRST + 40; const UINT uiLastUserToolBarId = uiFirstUserToolBarId + iMaxUserToolbars - 1; BEGIN_MESSAGE_MAP(CMainFrame, CFrameWndEx) ON_WM_CREATE() ON_COMMAND(ID_VIEW_CUSTOMIZE, &CMainFrame::OnViewCustomize) ON_REGISTERED_MESSAGE(AFX_WM_CREATETOOLBAR, &CMainFrame::OnToolbarCreateNew) ON_COMMAND_RANGE(ID_VIEW_APPLOOK_WIN_2000, ID_VIEW_APPLOOK_WINDOWS_7, &CMainFrame::OnApplicationLook) ON_UPDATE_COMMAND_UI_RANGE(ID_VIEW_APPLOOK_WIN_2000, ID_VIEW_APPLOOK_WINDOWS_7, &CMainFrame::OnUpdateApplicationLook) ON_WM_SETTINGCHANGE() END_MESSAGE_MAP() static UINT indicators[] = { ID_SEPARATOR, // 状态行指示器 ID_INDICATOR_CAPS, ID_INDICATOR_NUM, ID_INDICATOR_SCRL, ID_INDICATOR_X, ID_INDICATOR_Y, }; // CMainFrame 构造/析构 CMainFrame::CMainFrame() { // TODO: 在此添加成员初始化代码 theApp.m_nAppLook = theApp.GetInt(_T("ApplicationLook"), ID_VIEW_APPLOOK_VS_2008); } CMainFrame::~CMainFrame() { } int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) { if (CFrameWndEx::OnCreate(lpCreateStruct) == -1) return -1; BOOL bNameValid; if (!m_wndMenuBar.Create(this)) { TRACE0("未能创建菜单栏\n"); return -1; // 未能创建 } m_wndMenuBar.SetPaneStyle(m_wndMenuBar.GetPaneStyle() | CBRS_SIZE_DYNAMIC | CBRS_TOOLTIPS | CBRS_FLYBY); // 防止菜单栏在激活时获得焦点 CMFCPopupMenu::SetForceMenuFocus(FALSE); if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP | CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) || !m_wndToolBar.LoadToolBar(theApp.m_bHiColorIcons ? IDR_MAINFRAME_256 : IDR_MAINFRAME)) { TRACE0("未能创建工具栏\n"); return -1; // 未能创建 } CString strToolBarName; bNameValid = strToolBarName.LoadString(IDS_TOOLBAR_STANDARD); ASSERT(bNameValid); m_wndToolBar.SetWindowText(strToolBarName); CString strCustomize; bNameValid = strCustomize.LoadString(IDS_TOOLBAR_CUSTOMIZE); ASSERT(bNameValid); m_wndToolBar.EnableCustomizeButton(TRUE, ID_VIEW_CUSTOMIZE, strCustomize); // 允许用户定义的工具栏操作: InitUserToolbars(nullptr, uiFirstUserToolBarId, uiLastUserToolBarId); if (!m_wndStatusBar.Create(this)) { TRACE0("未能创建状态栏\n"); return -1; // 未能创建 } m_wndStatusBar.SetIndicators(indicators, sizeof(indicators)/sizeof(UINT)); // TODO: 如果您不希望工具栏和菜单栏可停靠，请删除这五行 m_wndMenuBar.EnableDocking(CBRS_ALIGN_ANY); m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY); EnableDocking(CBRS_ALIGN_ANY); DockPane(&m_wndMenuBar); DockPane(&m_wndToolBar); // 启用 Visual Studio 2005 样式停靠窗口行为 CDockingManager::SetDockingMode(DT_SMART); // 启用 Visual Studio 2005 样式停靠窗口自动隐藏行为 EnableAutoHidePanes(CBRS_ALIGN_ANY); // 加载菜单项图像(不在任何标准工具栏上): CMFCToolBar::AddToolBarForImageCollection(IDR_MENU_IMAGES, theApp.m_bHiColorIcons ? IDB_MENU_IMAGES_24 : 0); // 创建停靠窗口 if (!CreateDockingWindows()) { TRACE0("未能创建停靠窗口\n"); return -1; } m_wndFileView.EnableDocking(CBRS_ALIGN_ANY); m_wndClassView.EnableDocking(CBRS_ALIGN_ANY); DockPane(&m_wndFileView); CDockablePane* pTabbedBar = nullptr; m_wndClassView.AttachToTabWnd(&m_wndFileView, DM_SHOW, TRUE, &pTabbedBar); m_wndOutput.EnableDocking(CBRS_ALIGN_ANY); DockPane(&m_wndOutput); m_wndProperties.EnableDocking(CBRS_ALIGN_ANY); DockPane(&m_wndProperties); // 基于持久值设置视觉管理器和样式 OnApplicationLook(theApp.m_nAppLook); // 启用工具栏和停靠窗口菜单替换 EnablePaneMenu(TRUE, ID_VIEW_CUSTOMIZE, strCustomize, ID_VIEW_TOOLBAR); // 启用快速(按住 Alt 拖动)工具栏自定义 CMFCToolBar::EnableQuickCustomization(); if (CMFCToolBar::GetUserImages() == nullptr) { // 加载用户定义的工具栏图像 if (m_UserImages.Load(_T(".\\UserImages.bmp"))) { CMFCT�