MFCopencv绘图板源码MFCopencv绘图板源码

// MFC绘图版View.cpp : implementation of the CMFCView class // #include "stdafx.h" #include "MFC绘图版.h" #include "MFC绘图版Doc.h" #include "MFC绘图版View.h" #include "Stroke.h" #include "Graph.h" #include "MainFrm.h" #include "SettingDlg.h" #include "math.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CMFCView IMPLEMENT_DYNCREATE(CMFCView, CView) BEGIN_MESSAGE_MAP(CMFCView, CView) //{{AFX_MSG_MAP(CMFCView) ON_WM_LBUTTONDOWN() ON_WM_LBUTTONUP() ON_WM_MOUSEMOVE() ON_WM_RBUTTONDOWN() ON_COMMAND_RANGE( IDM_DRAW_NOTHING, // ID范围的最小值 IDM_DRAW_RECT, // ID范围的最大值 OnDrawChange) //消息处理函数 ON_UPDATE_COMMAND_UI_RANGE(IDM_DRAW_NOTHING,IDM_DRAW_RECT,OnUpdateOperDrawChange) ON_COMMAND(ID_EDIT_UNDO, OnEditUndo) ON_COMMAND(IDM_CLEAR, OnClear) ON_COMMAND(IDM_SET_LINE_STYLE_WIDTH,OnSetLineStyleWidth) ON_COMMAND(IDM_SET_COLOR,OnSetColor) ON_COMMAND(IDM_SET_FONT,OnSetFont) ON_COMMAND(IDM_OPEN_BMP,OnOpenBmp) //}}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) ON_COMMAND(ID_recover, &CMFCView::Onrecover) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMFCView construction/destruction CMFCView::CMFCView() { // TODO: add construction code here m_bDraw = false; m_nLineStyle = 0; m_nLineWidth = 1; m_DrawIndex = 0; m_color = RGB(0,0,0); } CMFCView::~CMFCView() { } BOOL CMFCView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CMFCView drawing void CMFCView::OnDraw(CDC* pDC) { CMFCDoc* pDoc = GetDocument(); //---------------------重绘时显示任意曲线-----------------------------------// CTypedPtrList<CObList,CStroke*>& strokeList = pDoc->m_strokeList; POSITION pos = strokeList.GetHeadPosition(); while (pos != NULL) { CStroke* pStroke = strokeList.GetNext(pos); pStroke->DrawStroke(pDC); } //-------------------重绘时显示保存在m_graph中的图形------------------// int pCount = m_graph.GetSize(); for(int j=0;j<m_graph.GetSize();j++) { ((CGraph*)m_graph.GetAt(j))->Draw(pDC); } //-----------------------绘制有橡皮条功能的图形----------------// if(m_bDraw == true) { switch(m_DrawIndex) { case 1: DrawLine(m_start,m_end); break; case 3: DrawArrowLine(m_start,m_end); break; case 4: DrawCircle(m_start,m_end); break; case 5: DrawEllipse(m_start,m_end); break; case 6: DrawRect(m_start,m_end); break; } } //-------------------------------文本文件重绘的代码--------------------// if(m_txt == true && m_DrawIndex == 0) { CRect Rect; GetClientRect(&Rect); pDC->SelectObject(m_font); pDC->DrawText(pBuf,Rect,DT_WORDBREAK); } //----------------------------图片重绘的代码----------------------------------// if(m_bmp == true && m_DrawIndex == 0) { pDC->SetStretchBltMode(COLORONCOLOR); StretchDIBits(pDC->GetSafeHdc(),0,0,BmpInfo.biWidth, BmpInfo.biHeight,0,0,BmpInfo.biWidth, BmpInfo.biHeight,pBmpData,pBmpInfo,DIB_RGB_COLORS,SRCCOPY); } ASSERT_VALID(pDoc); // TODO: add draw code for native data here } ///////////////////////////////////////////////////////////////////////////// // CMFCView printing BOOL CMFCView::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo); } void CMFCView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CMFCView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } ///////////////////////////////////////////////////////////////////////////// // CMFCView diagnostics #ifdef _DEBUG void CMFCView::AssertValid() const { CView::AssertValid(); } void CMFCView::Dump(CDumpContext& dc) const { CView::Dump(dc); } CMFCDoc* CMFCView::GetDocument() // non-debug version is inline { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMFCDoc))); return (CMFCDoc*)m_pDocument; } #endif //_DEBUG ///////////////////////////////////////////////////////////////////////////// // CMFCView message handlers void CMFCView::OnLButtonDown(UINT nFlags, CPoint point) {//鼠标左键按下消息响应函数 // TODO: Add your message handler code here and/or call default switch(m_DrawIndex) { case 1: m_bDraw = true; m_start = point; break; case 2: { m_bDraw = true; m_pStrokeCur = GetDocument()->NewStroke();// Add first point to the new stroke m_pStrokeCur->m_pointArray.Add(point); m_random_start = point; // Serves as the MoveTo() anchor point for the // LineTo() the next point, as the user drags the // mouse. } break; case 3: m_bDraw = true; m_start = point; break; case 4: m_bDraw = true; m_start = point; break; case 5: m_bDraw = true; m_start = point; break; case 6: m_bDraw = true; m_start = point; break; } m_end = point; CView::OnLButtonDown(nFlags, point); } void CMFCView::OnLButtonUp(UINT nFlags, CPoint point) {//鼠标左键弹起消息响应函数 // TODO: Add your message handler code here and/or call default m_bDraw = false; CClientDC dc(this); CMFCDoc * pDoc = GetDocument(); CPen* pOldPen = dc.SelectObject(pDoc->GetCurrentPen()); switch(m_DrawIndex) { case 1: { m_end = point; DrawLine(m_start,m_end); CGraph *graph = new CGraph(m_DrawIndex,m_start,m_end,m_color,m_nLineWidth,m_nLineStyle); m_graph.Add(graph); } break; case 2: { //m_bDraw = false; dc.MoveTo(m_random_start); dc.LineTo(point); dc.SelectObject(pOldPen); m_pStrokeCur->m_pointArray.Add(point); m_graph.Add(m_pStrokeCur); // ReleaseCapture(); } break; case 3: { m_end = point; DrawArrowLine(m_start,m_end); CGraph *graph = new CGraph(m_DrawIndex,m_start,m_end,m_color,m_nLineWidth,m_nLineStyle); m_graph.Add(graph); } break; case 4: { m_end = point; DrawCircle(m_start,m_end); CGraph *graph = new CGraph(m_DrawIndex,m_start,m_end,m_color,m_nLineWidth,m_nLineStyle); m_graph.Add(graph); } break; case 5: { m_end = point; DrawEllipse(m_start,m_end); CGraph *graph = new CGraph(m_DrawIndex,m_start,m_end,m_color,m_nLineWidth,m_nLineStyle); m_graph.Add(graph); } break; case 6: { m_end = point; DrawRect(m_start,m_end); CGraph *graph = new CGraph(m_DrawIndex,m_start,m_end,m_color,m_nLineWidth,m_nLineStyle); m_graph.Add(graph); } break; } CView::OnLButtonUp(nFlags, point); } void CMFCView::OnMouseMove(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default //-------------------------------------------------------------// //在状态栏上显示时间 CString str; str.Format("x=%d,y=%d",point.x,point.y); //得到框架类窗口的指针GetParent()，然后指针强制转换为框架类的类型(CMainFrame*) //调用状态栏类的成员函数setWidnowText ((CMainFrame*)GetParent())->m_wndStatusBar.SetWindowText(str); //------------------------------------------------------------// CClientDC dc(this); CPen* pOldPen; CPen pen(m_nLineStyle,m_nLineWidth,m_color); switch(m_DrawIndex) { case 1: if(m_bDraw == true) { m_end = point; InvalidateRect(NULL,TRUE); break; } case 2: if(m_bDraw == true) { pOldPen= dc.SelectObject(&pen); m_pStrokeCur->m_pointArray.Add(point); dc.MoveTo(m_random_start); dc.LineTo(point); m_random_