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            幽魂國度

             

            實現簡單打印預覽功能

            打印預覽實現流程:
                 首先調用CFormView::OnFilePrintPreview,再依次調用自己的所重寫的虛函數OnPreparePrinting(CPrintInfo* pInfo)、OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo)、OnPrint(CDC* pDC, CPrintInfo* pInfo)、CFormView::OnPrint(pDC, pInfo);,當關閉打印預覽時調用OnEndPrinting(CDC* pDC, CPrintInfo* pInfo)  ,結束打印。
            部分代碼:
              ON_COMMAND(ID_FILE_PRINT_PREVIEW, CFormView::OnFilePrintPreview)
              BOOL CElectronValveView::OnPreparePrinting(CPrintInfo* pInfo)
            {
             // default preparation
              pInfo->SetMinPage(1); //設置打印文件起始頁 
              pInfo->SetMaxPage(1); //設置打印文件終止頁
              return   DoPreparePrinting(pInfo);

            void CElectronValveView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
            {
             // TODO: add extra initialization before printing
              m_ChartCtrl.GetBottomAxis()->GetGrid()->SetColor(BlackColor);//設置柵格顏色為黑色,不然打印的時候太淡
              m_ChartCtrl.GetLeftAxis()->GetGrid()->SetColor(BlackColor);
            }
            void CElectronValveView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
            {
             // TODO: add cleanup after printing
             m_ChartCtrl.GetBottomAxis()->GetGrid()->SetColor(BlueColor);//恢復顏色,不然控件中也是這個顏色了。
             m_ChartCtrl.GetLeftAxis()->GetGrid()->SetColor(BlueColor);
            }
            void CElectronValveView::OnPrint(CDC* pDC, CPrintInfo* pInfo)
            {
             // TODO: add customized printing code here
             CMainFrame* pMain=(CMainFrame *)AfxGetApp()->m_pMainWnd 
             CDC *pCurrentDC = GetDC();        // will have dimensions of the client area
             CSize PaperPixelsPerInch(pDC->GetDeviceCaps(LOGPIXELSX), pDC->GetDeviceCaps(LOGPIXELSY));
             //獲得打印紙設備每英寸的像素數,應該是一樣的。
                CSize ScreenPixelsPerInch(pCurrentDC->GetDeviceCaps(LOGPIXELSX), pCurrentDC->GetDeviceCaps(LOGPIXELSY));
             //應該是獲得屏幕的每英寸的像素數,應該是一樣的
             
             CSize m_PaperSize,m_LogicalPageSize;
             m_PaperSize = CSize(pDC->GetDeviceCaps(HORZRES), pDC->GetDeviceCaps(VERTRES));
             //把紙張所得的像素對應的屏幕大小得到。
             m_LogicalPageSize.cx = ScreenPixelsPerInch.cx * m_PaperSize.cx / PaperPixelsPerInch.cx * 3 / 4;
             m_LogicalPageSize.cy = ScreenPixelsPerInch.cy * m_PaperSize.cy / PaperPixelsPerInch.cy * 3 / 4;
             
             //這里必須這樣設,是為了和ChartCtrl中的打印對應起來。
                pDC->SetMapMode(MM_ANISOTROPIC);
                pDC->SetWindowExt(m_LogicalPageSize);
                pDC->SetViewportExt(m_PaperSize);    
                pDC->SetWindowOrg(0, 0);   
             
             CRect rcClient,rcClient1;
             GetClientRect(&rcClient1); //得到的仍然是打印預覽顯示客戶區的大小
             rcClient=pInfo->m_rectDraw;//打印紙的客戶區
             double ratioX,ratioY;
             ratioX=(double)rcClient.right/(double)rcClient1.Width();
             ratioY=(double)rcClient.bottom/(double)rcClient1.Height();
             int nWid,left,right;
             CFont *pOldFont;
             CFont fnBig,fnBig1;
             CPen Pen,*OldPen;
             
             //畫主框
             Pen.CreatePen(PS_SOLID,2,RGB(0,0,0));
             OldPen=pDC->SelectObject(&Pen);
             pDC->Rectangle(20,20,m_LogicalPageSize.cx-20,m_LogicalPageSize.cy-20);
             pDC->SelectObject(OldPen);

             //畫標題欄
             pDC->MoveTo(20,60);
             pDC->LineTo(m_LogicalPageSize.cx-20,60);
             pDC->MoveTo(20,85);
             pDC->LineTo(m_LogicalPageSize.cx-20,85);
             pDC->SelectObject(&Pen);
             pDC->MoveTo(20,110);
             pDC->LineTo(m_LogicalPageSize.cx-20,110);
             pDC->SelectObject(OldPen);
             pDC->MoveTo(196,60); 
             pDC->LineTo(196,110);
             pDC->MoveTo(390,60); 
             pDC->LineTo(390,110);

             //畫結果欄
             pDC->MoveTo(20,430); 
             pDC->LineTo(m_LogicalPageSize.cx-20,430);
             pDC->MoveTo(85,430); 
             pDC->LineTo(85,470);//測量結果1分界線豎線
             pDC->MoveTo((m_LogicalPageSize.cx-85-100)/4+85,430);//開啟響應時間分界線 
             pDC->LineTo((m_LogicalPageSize.cx-85-100)/4+85,470);
             pDC->MoveTo((m_LogicalPageSize.cx-85-100)/4*2+85,430); 
             pDC->LineTo((m_LogicalPageSize.cx-85-100)/4*2+85,470);
             pDC->MoveTo((m_LogicalPageSize.cx-85-100)/4*3+85,430); 
             pDC->LineTo((m_LogicalPageSize.cx-85-100)/4*3+85,470);
             pDC->MoveTo((m_LogicalPageSize.cx-85-100)/4*4+85,430); 
             pDC->LineTo((m_LogicalPageSize.cx-85-100)/4*4+85,470);
             pDC->MoveTo(20,450); 
             pDC->LineTo(m_LogicalPageSize.cx-20,450);
             pDC->SelectObject(&Pen);
             pDC->MoveTo(20,470); 
             pDC->LineTo(m_LogicalPageSize.cx-20,470); 
             pDC->SelectObject(OldPen);

              //寫標題
             fnBig.CreatePointFont(200,"黑體",pDC);
             pOldFont=pDC->SelectObject(&fnBig);
             
             nWid=rcClient1.Width();
             left=rcClient1.left;
             right=rcClient1.right;
             pDC->SetTextAlign(TA_CENTER);
             pDC->TextOut(m_LogicalPageSize.cx/2,30,"XXX性能測試報告");
             fnBig.DeleteObject();
             fnBig.CreatePointFont(110,"宋體",pDC);
             pOldFont=pDC->SelectObject(pOldFont);
             pOldFont=pDC->SelectObject(&fnBig);
             pDC->SetTextAlign(TA_LEFT);
             pDC->TextOut(25,67,"產品名稱:"+pMain->m_strProductName);
             pDC->TextOut(25,92,"產品圖號:"+pMain->m_strProductPictureNo);
             pDC->TextOut(201,67,"檢測時間:"+pMain->m_strMeasureTime0);
             pDC->TextOut(201,92,"生產廠家:"+pMain->m_strProductFactory);
             pDC->TextOut(395,67,"產品編號:"+pMain->m_strProductBianHao);
             pDC->TextOut(395,92,"檢 驗 員:"+pMain->m_strMeasurerName);

             CString aa;
             aa.Format("%d(ms)",m_iPreviousTime1);
             fnBig.DeleteObject();
             fnBig.CreatePointFont(85,"宋體",pDC);
             pDC->SelectObject(&fnBig);
             pDC->TextOut(25,420,"預置電信號時間:"+aa);
             aa.Format("%d",m_iCurveNumber1);
             pDC->TextOut(150,420,"曲線數量:"+aa);
             fnBig1.CreatePointFont(100,"宋體",pDC);
             pOldFont=pDC->SelectObject(&fnBig1);
             pDC->TextOut(25,455,"測試結果"); 
             pDC->TextOut(90,435,"開啟響應時間(ms)");
             pDC->TextOut(120,455,m_strOpenResponseTime);
             pDC->TextOut((m_LogicalPageSize.cx-85-100)/4+85+5,435,"開啟換向時間(ms)");
             pDC->TextOut((m_LogicalPageSize.cx-85-100)/4+85+5+30,455,m_strOpenInvertTime);
             pDC->TextOut((m_LogicalPageSize.cx-85-100)/4*2+85+5,435,"關閉響應時間(ms)");
             pDC->TextOut((m_LogicalPageSize.cx-85-100)/4*2+85+5+30,455,m_strCloseResponseTime);
             pDC->TextOut((m_LogicalPageSize.cx-85-100)/4*3+85+5,435,"關閉換向時間(ms)");
             pDC->TextOut((m_LogicalPageSize.cx-85-100)/4*3+85+5+30,455,m_strCloseInvertTime); 
             pDC->TextOut((m_LogicalPageSize.cx-85-100)/4*4+85+10,435,"檢測結論");
             
             //最后一欄
             fnBig.DeleteObject();
             fnBig.CreatePointFont(130,"宋體",pDC);
             pDC->SelectObject(&fnBig);
             pDC->TextOut(m_LogicalPageSize.cx-180,m_LogicalPageSize.cy-20-20,"審核:");
             pDC->SetTextAlign(TA_LEFT);

             CPoint offset(16,110);
             m_ChartCtrl.Print1(offset,pDC,pInfo,0);//調用chart類來畫表格和曲線
             fnBig.DeleteObject();

             CFormView::OnPrint(pDC, pInfo);
            }
            本程序利用ChartCtrl來實現繪制表格和曲線。

            posted on 2009-12-31 15:26 閱讀(1270) 評論(0)  編輯 收藏 引用

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