C / C++ / MFC

Le@rner wrote:

its not display the OnPaint graphics in image.

void CDlgTestDlg::OnPrint(CDC *pDC, CPrintInfo* pInfo)
{
	// Get the bitmap of our dialog 
	HBITMAP hWndBmp = GetWndBmp(GetSafeHwnd());

	RECT rect;
	GetWindowRect(&rect);
	int nWidth = rect.right - rect.left;
	int nHeight = rect.bottom - rect.top;
	
	CDC dcSrc;
	dcSrc.CreateCompatibleDC(NULL);
	const int nRestorePoint = dcSrc.SaveDC();
	dcSrc.SelectObject(hWndBmp);

	// !!!! You can draw here using dcSrc, 
        // this way you draw directly on the bitmap of the dialog !!!!

	// Blit the bitmap on the printer DC, you could also use StrechBlt
	pDC->BitBlt(0, 0, nWidth, nHeight, &dcSrc, 0, 0, SRCCOPY);

	dcSrc.RestoreDC(nRestorePoint);
	dcSrc.DeleteDC();
	DeleteObject(hWndBmp);
}

void CDlgTestDlg::OnPrint(CDC *pDC, CPrintInfo* pInfo)
{
	// Get the bitmap of our dialog 
	HBITMAP hWndBmp = GetWndBmp(GetSafeHwnd());

	RECT rect;
	GetWindowRect(&rect);
	int nWidth = rect.right - rect.left;
	int nHeight = rect.bottom - rect.top;
	
	CDC dcSrc;
	dcSrc.CreateCompatibleDC(NULL);
	const int nRestorePoint = dcSrc.SaveDC();
	dcSrc.SelectObject(hWndBmp);

	// Preparation before paint:
        CRect rcClient, rcWindow;
	GetWindowRect(rcWindow);
	GetClientRect(rcClient);

	CRect rcClientMoved(rcClient);
	rcClientMoved.MoveToXY((rcWindow.Width() - rcClient.Width()) / 2, 
		               (rcWindow.Height() - rcClient.Height() - GetSystemMetrics(SM_CYBORDER)));
	
	CPoint ptViewPortOrg = dcSrc.GetViewportOrg();
	dcSrc.SetViewportOrg(rcClientMoved.TopLeft());

        // !!! Paint here !!!!

        // Restore the old viewport
        dcSrc.SetViewportOrg(ptViewPortOrg);

	// Blit the bitmap on the printer DC, you could also use StrechBlt
	pDC->BitBlt(0, 0, nWidth, nHeight, &dcSrc, 0, 0, SRCCOPY);

	dcSrc.RestoreDC(nRestorePoint);
	dcSrc.DeleteDC();
	DeleteObject(hWndBmp);
}

std::ifstream ifs("filename.txt");
std::string str((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());

Maximilien wrote:

std::ifstream ifs("filename.txt");std::string str((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());

std::ifstream stream("c:\\test.txt");
if (stream.good())
{
   std::stringbuf buf;
   stream>>&buf;
   std::string str(buf.str());
   stream.close();
}

int init_data[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
std::vector<int> data( &int_data[0], &int_data[10] );

std::copy( data.begin(), data.end(), std::ostream_iterator<int>( std::cout, "\n" ) );

std::vector<int> data;
std::copy( std::istream_iterator<int>( std::cin ), std::istream_iterator<int>(), std::back_inserter( data ) );