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 峰 閱讀(1271) 評論(0)  編輯 收藏 引用