www.gusucode.com > 《C++高级语言程序设计》PPT及全书例子源代码-源码程序 > 《C++高级语言程序设计》PPT及全书例子源代码-源码程序/code/C++例题程序/第10章/s10_4/s10_4View.cpp
//Download by http://www.NewXing.com // s10_4View.cpp : implementation of the CS10_4View class // #include "stdafx.h" #include "s10_4.h" #include "s10_4Doc.h" #include "s10_4View.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CS10_4View IMPLEMENT_DYNCREATE(CS10_4View, CView) BEGIN_MESSAGE_MAP(CS10_4View, CView) //{{AFX_MSG_MAP(CS10_4View) ON_COMMAND(ID_MENUITEM_BRUSH1, OnMenuitemBrush1) ON_COMMAND(ID_MENUITEM_BRUSH2, OnMenuitemBrush2) ON_COMMAND(ID_MENUITEM_BRUSH3, OnMenuitemBrush3) ON_COMMAND(ID_MENUITEM_PEN1, OnMenuitemPen1) ON_COMMAND(ID_MENUITEM_PEN2, OnMenuitemPen2) ON_COMMAND(ID_MENUITEM_PEN3, OnMenuitemPen3) ON_COMMAND(ID_MENUITEM_FONT1, OnMenuitemFont1) ON_COMMAND(ID_MENUITEM_FONT2, OnMenuitemFont2) ON_COMMAND(ID_MENUITEM_FONT3, OnMenuitemFont3) ON_WM_LBUTTONDOWN() //}}AFX_MSG_MAP // Standard printing commands ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CS10_4View construction/destruction CS10_4View::CS10_4View() { // TODO: add construction code here } CS10_4View::~CS10_4View() { } BOOL CS10_4View::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CS10_4View drawing void CS10_4View::OnDraw(CDC* pDC) { CS10_4Doc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // TODO: add draw code for native data here int xCoordinate, yCoordinate; // 当前鼠标单击位置 xCoordinate = pDoc->m_oMousePoint.x; yCoordinate = pDoc->m_oMousePoint.y; CPen oPen; CPen *pOldPen; CBrush oBrush; CBrush *pOldBrush; CFont oFont; CFont *pOldFont; switch(m_GdiType) { case PEN: { oPen.CreatePen(PS_SOLID, pDoc->m_iPenWidth, RGB(0, 0, 255)); pOldPen = pDC->SelectObject(&oPen); pDC->MoveTo(xCoordinate, yCoordinate); pDC->LineTo(xCoordinate + 300, yCoordinate); pDC->SelectObject(pOldPen); break; } case BRUSH: { oBrush.CreateHatchBrush(pDoc->m_iBrushStyle, RGB(0, 0, 255)); pOldBrush = pDC->SelectObject(&oBrush); pDC->Ellipse(xCoordinate - 200, yCoordinate - 50, xCoordinate + 200, yCoordinate + 50); pDC->SelectObject(pOldBrush); break; } case FONT: { oFont.CreateFontIndirect(&pDoc->m_sLogFont); pOldFont = pDC->SelectObject(&oFont); pDC->TextOut(xCoordinate, yCoordinate, "字体演示!"); } } } ///////////////////////////////////////////////////////////////////////////// // CS10_4View printing BOOL CS10_4View::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo); } void CS10_4View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CS10_4View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } ///////////////////////////////////////////////////////////////////////////// // CS10_4View diagnostics #ifdef _DEBUG void CS10_4View::AssertValid() const { CView::AssertValid(); } void CS10_4View::Dump(CDumpContext& dc) const { CView::Dump(dc); } CS10_4Doc* CS10_4View::GetDocument() // non-debug version is inline { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CS10_4Doc))); return (CS10_4Doc*)m_pDocument; } #endif //_DEBUG ///////////////////////////////////////////////////////////////////////////// // CS10_4View message handlers void CS10_4View::OnMenuitemBrush1() { // TODO: Add your command handler code here CS10_4Doc *pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_iBrushStyle = HS_HORIZONTAL; // 水平阴影线 m_GdiType = BRUSH; } void CS10_4View::OnMenuitemBrush2() { // TODO: Add your command handler code here CS10_4Doc *pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_iBrushStyle = HS_VERTICAL; // 垂直阴影线 m_GdiType = BRUSH; } void CS10_4View::OnMenuitemBrush3() { // TODO: Add your command handler code here CS10_4Doc *pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_iBrushStyle = HS_DIAGCROSS; // 交叉阴影线 m_GdiType = BRUSH; } void CS10_4View::OnMenuitemPen1() { // TODO: Add your command handler code here CS10_4Doc *pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_iPenWidth = 80; // 粗画笔 m_GdiType = PEN; } void CS10_4View::OnMenuitemPen2() { // TODO: Add your command handler code here CS10_4Doc *pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_iPenWidth = 40; // 中画笔 m_GdiType = PEN; } void CS10_4View::OnMenuitemPen3() { // TODO: Add your command handler code here CS10_4Doc *pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_iPenWidth = 10; // 细画笔 m_GdiType = PEN; } void CS10_4View::OnMenuitemFont1() { // TODO: Add your command handler code here CS10_4Doc *pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_sLogFont.lfHeight = 80; // 大字体 m_GdiType = FONT; } void CS10_4View::OnMenuitemFont2() { // TODO: Add your command handler code here CS10_4Doc *pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_sLogFont.lfHeight = 30; // 中字体 m_GdiType = FONT; } void CS10_4View::OnMenuitemFont3() { // TODO: Add your command handler code here CS10_4Doc *pDoc = GetDocument(); ASSERT_VALID(pDoc); pDoc->m_sLogFont.lfHeight = 15; // 小字体 m_GdiType = FONT; } void CS10_4View::OnLButtonDown(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default CS10_4Doc *pDoc = GetDocument(); // 取得文档类的指针 ASSERT_VALID(pDoc); pDoc->m_oMousePoint = point; // 保存当前鼠标的单击位置 Invalidate(); // 使当前客户区无效,重绘客户区 CView::OnLButtonDown(nFlags, point); }