More Windows build fixes.

third_party/wtl/include/atlprint.h

Index: third_party/wtl/include/atlprint.h
diff --git a/third_party/wtl/include/atlprint.h b/third_party/wtl/include/atlprint.h
new file mode 100644
index 0000000000000000000000000000000000000000..db30a06a5ed1123121e82eb74077afca912e994d
--- /dev/null
+++ b/third_party/wtl/include/atlprint.h
@@ -0,0 +1,1110 @@
+// Windows Template Library - WTL version 8.0
+// Copyright (C) Microsoft Corporation. All rights reserved.
+//
+// This file is a part of the Windows Template Library.
+// The use and distribution terms for this software are covered by the
+// Microsoft Permissive License (Ms-PL) which can be found in the file
+// Ms-PL.txt at the root of this distribution.
+
+#ifndef __ATLPRINT_H__
+#define __ATLPRINT_H__
+
+#pragma once
+
+#ifndef __cplusplus
+	#error ATL requires C++ compilation (use a .cpp suffix)
+#endif
+
+#ifdef _WIN32_WCE
+	#error atlprint.h is not supported on Windows CE
+#endif
+
+#ifndef __ATLAPP_H__
+	#error atlprint.h requires atlapp.h to be included first
+#endif
+
+#ifndef __ATLWIN_H__
+	#error atlprint.h requires atlwin.h to be included first
+#endif
+
+
+///////////////////////////////////////////////////////////////////////////////
+// Classes in this file:
+//
+// CPrinterInfo<t_nInfo>
+// CPrinterT<t_bManaged>
+// CDevModeT<t_bManaged>
+// CPrinterDC
+// CPrintJobInfo
+// CPrintJob
+// CPrintPreview
+// CPrintPreviewWindowImpl<T, TBase, TWinTraits>
+// CPrintPreviewWindow
+// CZoomPrintPreviewWindowImpl<T, TBase, TWinTraits>
+// CZoomPrintPreviewWindow
+
+namespace WTL
+{
+
+///////////////////////////////////////////////////////////////////////////////
+// CPrinterInfo - This class wraps all of the PRINTER_INFO_* structures
+//                and provided by ::GetPrinter.
+
+template <unsigned int t_nInfo>
+class _printer_info
+{
+public:
+	typedef void infotype;
+};
+
+template <> class _printer_info<1> { public: typedef PRINTER_INFO_1 infotype; };
+template <> class _printer_info<2> { public: typedef PRINTER_INFO_2 infotype; };
+template <> class _printer_info<3> { public: typedef PRINTER_INFO_3 infotype; };
+template <> class _printer_info<4> { public: typedef PRINTER_INFO_4 infotype; };
+template <> class _printer_info<5> { public: typedef PRINTER_INFO_5 infotype; };
+template <> class _printer_info<6> { public: typedef PRINTER_INFO_6 infotype; };
+template <> class _printer_info<7> { public: typedef PRINTER_INFO_7 infotype; };
+// these are not in the old (vc6.0) headers
+#ifdef _ATL_USE_NEW_PRINTER_INFO
+template <> class _printer_info<8> { public: typedef PRINTER_INFO_8 infotype; };
+template <> class _printer_info<9> { public: typedef PRINTER_INFO_9 infotype; };
+#endif // _ATL_USE_NEW_PRINTER_INFO
+
+
+template <unsigned int t_nInfo>
+class CPrinterInfo
+{
+public:
+// Data members
+	typename _printer_info<t_nInfo>::infotype* m_pi;
+
+// Constructor/destructor
+	CPrinterInfo() : m_pi(NULL)
+	{ }
+
+	CPrinterInfo(HANDLE hPrinter) : m_pi(NULL)
+	{
+		GetPrinterInfo(hPrinter);
+	}
+
+	~CPrinterInfo()
+	{
+		Cleanup();
+	}
+
+// Operations
+	bool GetPrinterInfo(HANDLE hPrinter)
+	{
+		Cleanup();
+		return GetPrinterInfoHelper(hPrinter, (BYTE**)&m_pi, t_nInfo);
+	}
+
+// Implementation
+	void Cleanup()
+	{
+		delete [] (BYTE*)m_pi;
+		m_pi = NULL;
+	}
+
+	static bool GetPrinterInfoHelper(HANDLE hPrinter, BYTE** pi, int nIndex)
+	{
+		ATLASSERT(pi != NULL);
+		DWORD dw = 0;
+		BYTE* pb = NULL;
+		::GetPrinter(hPrinter, nIndex, NULL, 0, &dw);
+		if (dw > 0)
+		{
+			ATLTRY(pb = new BYTE[dw]);
+			if (pb != NULL)
+			{
+				memset(pb, 0, dw);
+				DWORD dwNew;
+				if (!::GetPrinter(hPrinter, nIndex, pb, dw, &dwNew))
+				{
+					delete [] pb;
+					pb = NULL;
+				}
+			}
+		}
+		*pi = pb;
+		return (pb != NULL);
+	}
+};
+
+
+///////////////////////////////////////////////////////////////////////////////
+// CPrinter - Wrapper class for a HANDLE to a printer
+
+template <bool t_bManaged>
+class CPrinterT
+{
+public:
+// Data members
+	HANDLE m_hPrinter;
+
+// Constructor/destructor
+	CPrinterT(HANDLE hPrinter = NULL) : m_hPrinter(hPrinter)
+	{ }
+
+	~CPrinterT()
+	{
+		ClosePrinter();
+	}
+
+// Operations
+	CPrinterT& operator =(HANDLE hPrinter)
+	{
+		if (hPrinter != m_hPrinter)
+		{
+			ClosePrinter();
+			m_hPrinter = hPrinter;
+		}
+		return *this;
+	}
+
+	bool IsNull() const { return (m_hPrinter == NULL); }
+
+	bool OpenPrinter(HANDLE hDevNames, const DEVMODE* pDevMode = NULL)
+	{
+		bool b = false;
+		DEVNAMES* pdn = (DEVNAMES*)::GlobalLock(hDevNames);
+		if (pdn != NULL)
+		{
+			LPTSTR lpszPrinterName = (LPTSTR)pdn + pdn->wDeviceOffset;
+			b = OpenPrinter(lpszPrinterName, pDevMode);
+			::GlobalUnlock(hDevNames);
+		}
+		return b;
+	}
+
+	bool OpenPrinter(LPCTSTR lpszPrinterName, const DEVMODE* pDevMode = NULL)
+	{
+		ClosePrinter();
+		PRINTER_DEFAULTS pdefs = { NULL, (DEVMODE*)pDevMode, PRINTER_ACCESS_USE };
+		::OpenPrinter((LPTSTR) lpszPrinterName, &m_hPrinter, (pDevMode == NULL) ? NULL : &pdefs);
+
+		return (m_hPrinter != NULL);
+	}
+
+	bool OpenPrinter(LPCTSTR lpszPrinterName, PRINTER_DEFAULTS* pprintdefs)
+	{
+		ClosePrinter();
+		::OpenPrinter((LPTSTR) lpszPrinterName, &m_hPrinter, pprintdefs);
+		return (m_hPrinter != NULL);
+	}
+
+	bool OpenDefaultPrinter(const DEVMODE* pDevMode = NULL)
+	{
+		ClosePrinter();
+		const int cchBuff = 512;
+		TCHAR buffer[cchBuff];
+		buffer[0] = 0;
+		::GetProfileString(_T("windows"), _T("device"), _T(",,,"), buffer, cchBuff);
+		int nLen = lstrlen(buffer);
+		if (nLen != 0)
+		{
+			LPTSTR lpsz = buffer;
+			while (*lpsz)
+			{
+				if (*lpsz == _T(','))
+				{
+					*lpsz = 0;
+					break;
+				}
+				lpsz = CharNext(lpsz);
+			}
+			PRINTER_DEFAULTS pdefs = { NULL, (DEVMODE*)pDevMode, PRINTER_ACCESS_USE };
+			::OpenPrinter(buffer, &m_hPrinter, (pDevMode == NULL) ? NULL : &pdefs);
+		}
+		return m_hPrinter != NULL;
+	}
+
+	void ClosePrinter()
+	{
+		if (m_hPrinter != NULL)
+		{
+			if (t_bManaged)
+				::ClosePrinter(m_hPrinter);
+			m_hPrinter = NULL;
+		}
+	}
+
+	bool PrinterProperties(HWND hWnd = NULL)
+	{
+		if (hWnd == NULL)
+			hWnd = ::GetActiveWindow();
+		return !!::PrinterProperties(hWnd, m_hPrinter);
+	}
+
+	HANDLE CopyToHDEVNAMES() const
+	{
+		HANDLE h = NULL;
+		CPrinterInfo<5> pinfon5;
+		CPrinterInfo<2> pinfon2;
+		LPTSTR lpszPrinterName = NULL;
+		// Some printers fail for PRINTER_INFO_5 in some situations
+		if (pinfon5.GetPrinterInfo(m_hPrinter))
+			lpszPrinterName = pinfon5.m_pi->pPrinterName;
+		else if (pinfon2.GetPrinterInfo(m_hPrinter))
+			lpszPrinterName = pinfon2.m_pi->pPrinterName;
+		if (lpszPrinterName != NULL)
+		{
+			int nLen = sizeof(DEVNAMES) + (lstrlen(lpszPrinterName) + 1) * sizeof(TCHAR);
+			h = ::GlobalAlloc(GMEM_MOVEABLE, nLen);
+			BYTE* pv = (BYTE*)::GlobalLock(h);
+			DEVNAMES* pdev = (DEVNAMES*)pv;
+			if (pv != NULL)
+			{
+				memset(pv, 0, nLen);
+				pdev->wDeviceOffset = sizeof(DEVNAMES) / sizeof(TCHAR);
+				pv = pv + sizeof(DEVNAMES); // now points to end
+				SecureHelper::strcpy_x((LPTSTR)pv, lstrlen(lpszPrinterName) + 1, lpszPrinterName);
+				::GlobalUnlock(h);
+			}
+		}
+		return h;
+	}
+
+	HDC CreatePrinterDC(const DEVMODE* pdm = NULL) const
+	{
+		CPrinterInfo<5> pinfo5;
+		CPrinterInfo<2> pinfo2;
+		HDC hDC = NULL;
+		LPTSTR lpszPrinterName = NULL;
+		// Some printers fail for PRINTER_INFO_5 in some situations
+		if (pinfo5.GetPrinterInfo(m_hPrinter))
+			lpszPrinterName = pinfo5.m_pi->pPrinterName;
+		else if (pinfo2.GetPrinterInfo(m_hPrinter))
+			lpszPrinterName = pinfo2.m_pi->pPrinterName;
+		if (lpszPrinterName != NULL)
+			hDC = ::CreateDC(NULL, lpszPrinterName, NULL, pdm);
+		return hDC;
+	}
+
+	HDC CreatePrinterIC(const DEVMODE* pdm = NULL) const
+	{
+		CPrinterInfo<5> pinfo5;
+		CPrinterInfo<2> pinfo2;
+		HDC hDC = NULL;
+		LPTSTR lpszPrinterName = NULL;
+		// Some printers fail for PRINTER_INFO_5 in some situations
+		if (pinfo5.GetPrinterInfo(m_hPrinter))
+			lpszPrinterName = pinfo5.m_pi->pPrinterName;
+		else if (pinfo2.GetPrinterInfo(m_hPrinter))
+			lpszPrinterName = pinfo2.m_pi->pPrinterName;
+		if (lpszPrinterName != NULL)
+			hDC = ::CreateIC(NULL, lpszPrinterName, NULL, pdm);
+		return hDC;
+	}
+
+	void Attach(HANDLE hPrinter)
+	{
+		ClosePrinter();
+		m_hPrinter = hPrinter;
+	}
+
+	HANDLE Detach()
+	{
+		HANDLE hPrinter = m_hPrinter;
+		m_hPrinter = NULL;
+		return hPrinter;
+	}
+
+	operator HANDLE() const { return m_hPrinter; }
+};
+
+typedef CPrinterT<false>   CPrinterHandle;
+typedef CPrinterT<true>    CPrinter;
+
+
+///////////////////////////////////////////////////////////////////////////////
+// CDevMode - Wrapper class for DEVMODE
+
+template <bool t_bManaged>
+class CDevModeT
+{
+public:
+// Data members
+	HANDLE m_hDevMode;
+	DEVMODE* m_pDevMode;
+
+// Constructor/destructor
+	CDevModeT(HANDLE hDevMode = NULL) : m_hDevMode(hDevMode)
+	{
+		m_pDevMode = (m_hDevMode != NULL) ? (DEVMODE*)::GlobalLock(m_hDevMode) : NULL;
+	}
+
+	~CDevModeT()
+	{
+		Cleanup();
+	}
+
+// Operations
+	CDevModeT<t_bManaged>& operator =(HANDLE hDevMode)
+	{
+		Attach(hDevMode);
+		return *this;
+	}
+
+	void Attach(HANDLE hDevModeNew)
+	{
+		Cleanup();
+		m_hDevMode = hDevModeNew;
+		m_pDevMode = (m_hDevMode != NULL) ? (DEVMODE*)::GlobalLock(m_hDevMode) : NULL;
+	}
+
+	HANDLE Detach()
+	{
+		if (m_hDevMode != NULL)
+			::GlobalUnlock(m_hDevMode);
+		HANDLE hDevMode = m_hDevMode;
+		m_hDevMode = NULL;
+		return hDevMode;
+	}
+
+	bool IsNull() const { return (m_hDevMode == NULL); }
+
+	bool CopyFromPrinter(HANDLE hPrinter)
+	{
+		CPrinterInfo<2> pinfo;
+		bool b = pinfo.GetPrinterInfo(hPrinter);
+		if (b)
+		 b = CopyFromDEVMODE(pinfo.m_pi->pDevMode);
+		return b;
+	}
+
+	bool CopyFromDEVMODE(const DEVMODE* pdm)
+	{
+		if (pdm == NULL)
+			return false;
+		int nSize = pdm->dmSize + pdm->dmDriverExtra;
+		HANDLE h = ::GlobalAlloc(GMEM_MOVEABLE, nSize);
+		if (h != NULL)
+		{
+			void* p = ::GlobalLock(h);
+			SecureHelper::memcpy_x(p, nSize, pdm, nSize);
+			::GlobalUnlock(h);
+		}
+		Attach(h);
+		return (h != NULL);
+	}
+
+	bool CopyFromHDEVMODE(HANDLE hdm)
+	{
+		bool b = false;
+		if (hdm != NULL)
+		{
+			DEVMODE* pdm = (DEVMODE*)::GlobalLock(hdm);
+			b = CopyFromDEVMODE(pdm);
+			::GlobalUnlock(hdm);
+		}
+		return b;
+	}
+
+	HANDLE CopyToHDEVMODE()
+	{
+		if ((m_hDevMode == NULL) || (m_pDevMode == NULL))
+			return NULL;
+		int nSize = m_pDevMode->dmSize + m_pDevMode->dmDriverExtra;
+		HANDLE h = ::GlobalAlloc(GMEM_MOVEABLE, nSize);
+		if (h != NULL)
+		{
+			void* p = ::GlobalLock(h);
+			SecureHelper::memcpy_x(p, nSize, m_pDevMode, nSize);
+			::GlobalUnlock(h);
+		}
+		return h;
+	}
+
+	// If this devmode was for another printer, this will create a new devmode
+	// based on the existing devmode, but retargeted at the new printer
+	bool UpdateForNewPrinter(HANDLE hPrinter)
+	{
+		bool bRet = false;
+		LONG nLen = ::DocumentProperties(NULL, hPrinter, NULL, NULL, NULL, 0);
+		CTempBuffer<DEVMODE, _WTL_STACK_ALLOC_THRESHOLD> buff;
+		DEVMODE* pdm = buff.AllocateBytes(nLen);
+		if(pdm != NULL)
+		{
+			memset(pdm, 0, nLen);
+			LONG l = ::DocumentProperties(NULL, hPrinter, NULL, pdm, m_pDevMode, DM_IN_BUFFER | DM_OUT_BUFFER);
+			if (l == IDOK)
+				bRet = CopyFromDEVMODE(pdm);
+		}
+
+		return bRet;
+	}
+
+	bool DocumentProperties(HANDLE hPrinter, HWND hWnd = NULL)
+	{
+		CPrinterInfo<1> pi;
+		pi.GetPrinterInfo(hPrinter);
+		if (hWnd == NULL)
+			hWnd = ::GetActiveWindow();
+
+		bool bRet = false;
+		LONG nLen = ::DocumentProperties(hWnd, hPrinter, pi.m_pi->pName, NULL, NULL, 0);
+		CTempBuffer<DEVMODE, _WTL_STACK_ALLOC_THRESHOLD> buff;
+		DEVMODE* pdm = buff.AllocateBytes(nLen);
+		if(pdm != NULL)
+		{
+			memset(pdm, 0, nLen);
+			LONG l = ::DocumentProperties(hWnd, hPrinter, pi.m_pi->pName, pdm, m_pDevMode, DM_IN_BUFFER | DM_OUT_BUFFER | DM_PROMPT);
+			if (l == IDOK)
+				bRet = CopyFromDEVMODE(pdm);
+		}
+
+		return bRet;
+	}
+
+	operator HANDLE() const { return m_hDevMode; }
+
+	operator DEVMODE*() const { return m_pDevMode; }
+
+// Implementation
+	void Cleanup()
+	{
+		if (m_hDevMode != NULL)
+		{
+			::GlobalUnlock(m_hDevMode);
+			if(t_bManaged)
+				::GlobalFree(m_hDevMode);
+			m_hDevMode = NULL;
+		}
+	}
+};
+
+typedef CDevModeT<false>   CDevModeHandle;
+typedef CDevModeT<true>    CDevMode;
+
+
+///////////////////////////////////////////////////////////////////////////////
+// CPrinterDC
+
+class CPrinterDC : public CDC
+{
+public:
+// Constructors/destructor
+	CPrinterDC()
+	{
+		CPrinter printer;
+		printer.OpenDefaultPrinter();
+		Attach(printer.CreatePrinterDC());
+		ATLASSERT(m_hDC != NULL);
+	}
+
+	CPrinterDC(HANDLE hPrinter, const DEVMODE* pdm = NULL)
+	{
+		CPrinterHandle p;
+		p.Attach(hPrinter);
+		Attach(p.CreatePrinterDC(pdm));
+		ATLASSERT(m_hDC != NULL);
+	}
+
+	~CPrinterDC()
+	{
+		DeleteDC();
+	}
+};
+
+
+///////////////////////////////////////////////////////////////////////////////
+// CPrintJob - Wraps a set of tasks for a specific printer (StartDoc/EndDoc)
+//             Handles aborting, background printing
+
+// Defines callbacks used by CPrintJob (not a COM interface)
+class ATL_NO_VTABLE IPrintJobInfo
+{
+public:
+	virtual void BeginPrintJob(HDC hDC) = 0;                // allocate handles needed, etc.
+	virtual void EndPrintJob(HDC hDC, bool bAborted) = 0;   // free handles, etc.
+	virtual void PrePrintPage(UINT nPage, HDC hDC) = 0;
+	virtual bool PrintPage(UINT nPage, HDC hDC) = 0;
+	virtual void PostPrintPage(UINT nPage, HDC hDC) = 0;
+	// If you want per page devmodes, return the DEVMODE* to use for nPage.
+	// You can optimize by only returning a new DEVMODE* when it is different
+	// from the one for nLastPage, otherwise return NULL.
+	// When nLastPage==0, the current DEVMODE* will be the default passed to
+	// StartPrintJob.
+	// Note: During print preview, nLastPage will always be "0".
+	virtual DEVMODE* GetNewDevModeForPage(UINT nLastPage, UINT nPage) = 0;
+	virtual bool IsValidPage(UINT nPage) = 0;
+};
+
+// Provides a default implementatin for IPrintJobInfo
+// Typically, MI'd into a document or view class
+class ATL_NO_VTABLE CPrintJobInfo : public IPrintJobInfo
+{
+public:
+	virtual void BeginPrintJob(HDC /*hDC*/)   // allocate handles needed, etc
+	{
+	}
+
+	virtual void EndPrintJob(HDC /*hDC*/, bool /*bAborted*/)   // free handles, etc
+	{
+	}
+
+	virtual void PrePrintPage(UINT /*nPage*/, HDC hDC)
+	{
+		m_nPJState = ::SaveDC(hDC);
+	}
+
+	virtual bool PrintPage(UINT /*nPage*/, HDC /*hDC*/) = 0;
+
+	virtual void PostPrintPage(UINT /*nPage*/, HDC hDC)
+	{
+		RestoreDC(hDC, m_nPJState);
+	}
+
+	virtual DEVMODE* GetNewDevModeForPage(UINT /*nLastPage*/, UINT /*nPage*/)
+	{
+		return NULL;
+	}
+
+	virtual bool IsValidPage(UINT /*nPage*/)
+	{
+		return true;
+	}
+
+// Implementation - data
+	int m_nPJState;
+};
+
+
+class CPrintJob
+{
+public:
+// Data members
+	CPrinterHandle m_printer;
+	IPrintJobInfo* m_pInfo;
+	DEVMODE* m_pDefDevMode;
+	DOCINFO m_docinfo;
+	int m_nJobID;
+	bool m_bCancel;
+	bool m_bComplete;
+	unsigned long m_nStartPage;
+	unsigned long m_nEndPage;
+
+// Constructor/destructor
+	CPrintJob() : m_nJobID(0), m_bCancel(false), m_bComplete(true)
+	{ }
+
+	~CPrintJob()
+	{
+		ATLASSERT(IsJobComplete()); // premature destruction?
+	}
+
+// Operations
+	bool IsJobComplete() const
+	{
+		return m_bComplete;
+	}
+
+	bool StartPrintJob(bool bBackground, HANDLE hPrinter, DEVMODE* pDefaultDevMode,
+			IPrintJobInfo* pInfo, LPCTSTR lpszDocName, 
+			unsigned long nStartPage, unsigned long nEndPage,
+			bool bPrintToFile = false, LPCTSTR lpstrOutputFile = NULL)
+	{
+		ATLASSERT(m_bComplete); // previous job not done yet?
+		if (pInfo == NULL)
+			return false;
+
+		memset(&m_docinfo, 0, sizeof(m_docinfo));
+		m_docinfo.cbSize = sizeof(m_docinfo);
+		m_docinfo.lpszDocName = lpszDocName;
+		m_pInfo = pInfo;
+		m_nStartPage = nStartPage;
+		m_nEndPage = nEndPage;
+		m_printer.Attach(hPrinter);
+		m_pDefDevMode = pDefaultDevMode;
+		m_bComplete = false;
+
+		if(bPrintToFile)
+			m_docinfo.lpszOutput = (lpstrOutputFile != NULL) ? lpstrOutputFile : _T("FILE:");
+
+		if (!bBackground)
+		{
+			m_bComplete = true;
+			return StartHelper();
+		}
+
+		// Create a thread and return
+		DWORD dwThreadID = 0;
+#if !defined(_ATL_MIN_CRT) && defined(_MT)
+		HANDLE hThread = (HANDLE)_beginthreadex(NULL, 0, (UINT (WINAPI*)(void*))StartProc, this, 0, (UINT*)&dwThreadID);
+#else
+		HANDLE hThread = ::CreateThread(NULL, 0, StartProc, (void*)this, 0, &dwThreadID);
+#endif
+		if (hThread == NULL)
+			return false;
+
+		::CloseHandle(hThread);
+
+		return true;
+	}
+
+// Implementation
+	static DWORD WINAPI StartProc(void* p)
+	{
+		CPrintJob* pThis = (CPrintJob*)p;
+		pThis->StartHelper();
+		pThis->m_bComplete = true;
+		return 0;
+	}
+
+	bool StartHelper()
+	{
+		CDC dcPrinter;
+		dcPrinter.Attach(m_printer.CreatePrinterDC(m_pDefDevMode));
+		if (dcPrinter.IsNull())
+			return false;
+			
+		m_nJobID = ::StartDoc(dcPrinter, &m_docinfo);
+		if (m_nJobID <= 0)
+			return false;
+
+		m_pInfo->BeginPrintJob(dcPrinter);
+
+		// print all the pages now
+		unsigned long nLastPage = 0;
+		for (unsigned long nPage = m_nStartPage; nPage <= m_nEndPage; nPage++)
+		{
+			if (!m_pInfo->IsValidPage(nPage))
+				break;
+			DEVMODE* pdm = m_pInfo->GetNewDevModeForPage(nLastPage, nPage);
+			if (pdm != NULL)
+				dcPrinter.ResetDC(pdm);
+			dcPrinter.StartPage();
+			m_pInfo->PrePrintPage(nPage, dcPrinter);
+			if (!m_pInfo->PrintPage(nPage, dcPrinter))
+				m_bCancel = true;
+			m_pInfo->PostPrintPage(nPage, dcPrinter);
+			dcPrinter.EndPage();
+			if (m_bCancel)
+				break;
+			nLastPage = nPage;
+		}
+
+		m_pInfo->EndPrintJob(dcPrinter, m_bCancel);
+		if (m_bCancel)
+			::AbortDoc(dcPrinter);
+		else
+			::EndDoc(dcPrinter);
+		m_nJobID = 0;
+		return true;
+	}
+
+	// Cancels a print job. Can be called asynchronously.
+	void CancelPrintJob()
+	{
+		m_bCancel = true;
+	}
+};
+
+
+///////////////////////////////////////////////////////////////////////////////
+// CPrintPreview - Adds print preview support to an existing window
+
+class CPrintPreview
+{
+public:
+// Data members
+	IPrintJobInfo* m_pInfo;
+	CPrinterHandle m_printer;
+	CEnhMetaFile m_meta;
+	DEVMODE* m_pDefDevMode;
+	DEVMODE* m_pCurDevMode;
+	SIZE m_sizeCurPhysOffset;
+
+// Constructor
+	CPrintPreview() : m_pInfo(NULL), m_pDefDevMode(NULL), m_pCurDevMode(NULL)
+	{
+		m_sizeCurPhysOffset.cx = 0;
+		m_sizeCurPhysOffset.cy = 0;
+	}
+
+// Operations
+	void SetPrintPreviewInfo(HANDLE hPrinter, DEVMODE* pDefaultDevMode, IPrintJobInfo* pji)
+	{
+		m_printer.Attach(hPrinter);
+		m_pDefDevMode = pDefaultDevMode;
+		m_pInfo = pji;
+		m_nCurPage = 0;
+		m_pCurDevMode = NULL;
+	}
+
+	void SetEnhMetaFile(HENHMETAFILE hEMF)
+	{
+		m_meta = hEMF;
+	}
+
+	void SetPage(int nPage)
+	{
+		if (!m_pInfo->IsValidPage(nPage))
+			return;
+		m_nCurPage = nPage;
+		m_pCurDevMode = m_pInfo->GetNewDevModeForPage(0, nPage);
+		if (m_pCurDevMode == NULL)
+			m_pCurDevMode = m_pDefDevMode;
+		CDC dcPrinter = m_printer.CreatePrinterDC(m_pCurDevMode);
+
+		int iWidth = dcPrinter.GetDeviceCaps(PHYSICALWIDTH); 
+		int iHeight = dcPrinter.GetDeviceCaps(PHYSICALHEIGHT); 
+		int nLogx = dcPrinter.GetDeviceCaps(LOGPIXELSX);
+		int nLogy = dcPrinter.GetDeviceCaps(LOGPIXELSY);
+
+		RECT rcMM = { 0, 0, ::MulDiv(iWidth, 2540, nLogx), ::MulDiv(iHeight, 2540, nLogy) };
+
+		m_sizeCurPhysOffset.cx = dcPrinter.GetDeviceCaps(PHYSICALOFFSETX);
+		m_sizeCurPhysOffset.cy = dcPrinter.GetDeviceCaps(PHYSICALOFFSETY);
+		
+		CEnhMetaFileDC dcMeta(dcPrinter, &rcMM);
+		m_pInfo->PrePrintPage(nPage, dcMeta);
+		m_pInfo->PrintPage(nPage, dcMeta);
+		m_pInfo->PostPrintPage(nPage, dcMeta);
+		m_meta.Attach(dcMeta.Close());
+	}
+
+	void GetPageRect(RECT& rc, LPRECT prc)
+	{
+		int x1 = rc.right-rc.left;
+		int y1 = rc.bottom - rc.top;
+		if ((x1 < 0) || (y1 < 0))
+			return;
+
+		CEnhMetaFileInfo emfinfo(m_meta);
+		ENHMETAHEADER* pmh = emfinfo.GetEnhMetaFileHeader();
+
+		// Compute whether we are OK vertically or horizontally
+		int x2 = pmh->szlDevice.cx;
+		int y2 = pmh->szlDevice.cy;
+		int y1p = MulDiv(x1, y2, x2);
+		int x1p = MulDiv(y1, x2, y2);
+		ATLASSERT((x1p <= x1) || (y1p <= y1));
+		if (x1p <= x1)
+		{
+			prc->left = rc.left + (x1 - x1p) / 2;
+			prc->right = prc->left + x1p;
+			prc->top = rc.top;
+			prc->bottom = rc.bottom;
+		}
+		else
+		{
+			prc->left = rc.left;
+			prc->right = rc.right;
+			prc->top = rc.top + (y1 - y1p) / 2;
+			prc->bottom = prc->top + y1p;
+		}
+	}
+
+// Painting helpers
+	void DoPaint(CDCHandle dc)
+	{
+		// this one is not used
+	}
+
+	void DoPaint(CDCHandle dc, RECT& rc)
+	{
+		CEnhMetaFileInfo emfinfo(m_meta);
+		ENHMETAHEADER* pmh = emfinfo.GetEnhMetaFileHeader();
+		int nOffsetX = MulDiv(m_sizeCurPhysOffset.cx, rc.right-rc.left, pmh->szlDevice.cx);
+		int nOffsetY = MulDiv(m_sizeCurPhysOffset.cy, rc.bottom-rc.top, pmh->szlDevice.cy);
+
+		dc.OffsetWindowOrg(-nOffsetX, -nOffsetY);
+		dc.PlayMetaFile(m_meta, &rc);
+	}
+
+// Implementation - data
+	int m_nCurPage;
+};
+
+
+///////////////////////////////////////////////////////////////////////////////
+// CPrintPreviewWindow - Implements a print preview window
+
+template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlWinTraits>
+class ATL_NO_VTABLE CPrintPreviewWindowImpl : public ATL::CWindowImpl<T, TBase, TWinTraits>, public CPrintPreview
+{
+public:
+	DECLARE_WND_CLASS_EX(NULL, CS_VREDRAW | CS_HREDRAW, -1)
+
+	enum { m_cxOffset = 10, m_cyOffset = 10 };
+
+// Constructor
+	CPrintPreviewWindowImpl() : m_nMaxPage(0), m_nMinPage(0)
+	{ }
+
+// Operations
+	void SetPrintPreviewInfo(HANDLE hPrinter, DEVMODE* pDefaultDevMode, 
+		IPrintJobInfo* pji, int nMinPage, int nMaxPage)
+	{
+		CPrintPreview::SetPrintPreviewInfo(hPrinter, pDefaultDevMode, pji);
+		m_nMinPage = nMinPage;
+		m_nMaxPage = nMaxPage;
+	}
+
+	bool NextPage()
+	{
+		if (m_nCurPage == m_nMaxPage)
+			return false;
+		SetPage(m_nCurPage + 1);
+		Invalidate();
+		return true;
+	}
+
+	bool PrevPage()
+	{
+		if (m_nCurPage == m_nMinPage)
+			return false;
+		if (m_nCurPage == 0)
+			return false;
+		SetPage(m_nCurPage - 1);
+		Invalidate();
+		return true;
+	}
+
+// Message map and handlers
+	BEGIN_MSG_MAP(CPrintPreviewWindowImpl)
+		MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
+		MESSAGE_HANDLER(WM_PAINT, OnPaint)
+		MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
+	END_MSG_MAP()
+
+	LRESULT OnEraseBkgnd(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
+	{
+		return 1;   // no need for the background
+	}
+
+	LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
+	{
+		T* pT = static_cast<T*>(this);
+		RECT rc = { 0 };
+
+		if(wParam != NULL)
+		{
+			pT->DoPrePaint((HDC)wParam, rc);
+			pT->DoPaint((HDC)wParam, rc);
+		}
+		else
+		{
+			CPaintDC dc(m_hWnd);
+			pT->DoPrePaint(dc.m_hDC, rc);
+			pT->DoPaint(dc.m_hDC, rc);
+		}
+
+		return 0;
+	}
+
+// Painting helper
+	void DoPrePaint(CDCHandle dc, RECT& rc)
+	{
+		RECT rcClient = { 0 };
+		GetClientRect(&rcClient);
+		RECT rcArea = rcClient;
+		T* pT = static_cast<T*>(this);
+		pT;   // avoid level 4 warning
+		::InflateRect(&rcArea, -pT->m_cxOffset, -pT->m_cyOffset);
+		if (rcArea.left > rcArea.right)
+			rcArea.right = rcArea.left;
+		if (rcArea.top > rcArea.bottom)
+			rcArea.bottom = rcArea.top;
+		GetPageRect(rcArea, &rc);
+		CRgn rgn1, rgn2;
+		rgn1.CreateRectRgnIndirect(&rc);
+		rgn2.CreateRectRgnIndirect(&rcClient);
+		rgn2.CombineRgn(rgn1, RGN_DIFF);
+		dc.SelectClipRgn(rgn2);
+		dc.FillRect(&rcClient, COLOR_BTNSHADOW);
+		dc.SelectClipRgn(NULL);
+		dc.FillRect(&rc, (HBRUSH)::GetStockObject(WHITE_BRUSH));
+	}
+
+// Implementation - data
+	int m_nMinPage;
+	int m_nMaxPage;
+};
+
+
+class CPrintPreviewWindow : public CPrintPreviewWindowImpl<CPrintPreviewWindow>
+{
+public:
+	DECLARE_WND_CLASS_EX(_T("WTL_PrintPreview"), CS_VREDRAW | CS_HREDRAW, -1)
+};
+
+
+///////////////////////////////////////////////////////////////////////////////
+// CZoomPrintPreviewWindowImpl - Implements print preview window with zooming
+
+#ifdef __ATLSCRL_H__
+
+template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlWinTraits>
+class ATL_NO_VTABLE CZoomPrintPreviewWindowImpl : public CPrintPreviewWindowImpl< T, TBase, TWinTraits >, public CZoomScrollImpl< T >
+{
+public:
+	bool m_bSized;
+
+	CZoomPrintPreviewWindowImpl()  
+	{
+		SetScrollExtendedStyle(SCRL_DISABLENOSCROLL);
+		InitZoom();
+	}
+
+	// should be called to reset data members before recreating window 
+	void InitZoom()
+	{
+		m_bSized = false;	
+		m_nZoomMode = ZOOMMODE_OFF;
+		m_fZoomScaleMin = 1.0;
+		m_fZoomScale = 1.0;
+	}
+
+	BEGIN_MSG_MAP(CZoomPrintPreviewWindowImpl)
+		MESSAGE_HANDLER(WM_SETCURSOR, CZoomScrollImpl< T >::OnSetCursor)
+		MESSAGE_HANDLER(WM_VSCROLL, CScrollImpl< T >::OnVScroll)
+		MESSAGE_HANDLER(WM_HSCROLL, CScrollImpl< T >::OnHScroll)
+		MESSAGE_HANDLER(WM_MOUSEWHEEL, CScrollImpl< T >::OnMouseWheel)
+#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
+		MESSAGE_HANDLER(m_uMsgMouseWheel, CScrollImpl< T >::OnMouseWheel)
+#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
+		MESSAGE_HANDLER(WM_SETTINGCHANGE, CScrollImpl< T >::OnSettingChange)
+		MESSAGE_HANDLER(WM_LBUTTONDOWN, CZoomScrollImpl< T >::OnLButtonDown)
+		MESSAGE_HANDLER(WM_MOUSEMOVE, CZoomScrollImpl< T >::OnMouseMove)
+		MESSAGE_HANDLER(WM_LBUTTONUP, CZoomScrollImpl< T >::OnLButtonUp)
+		MESSAGE_HANDLER(WM_CAPTURECHANGED, CZoomScrollImpl< T >::OnCaptureChanged)
+		MESSAGE_HANDLER(WM_SIZE, OnSize)
+		MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
+		MESSAGE_HANDLER(WM_PAINT, OnPaint)
+		MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
+	ALT_MSG_MAP(1)
+		COMMAND_ID_HANDLER(ID_SCROLL_UP, CScrollImpl< T >::OnScrollUp)
+		COMMAND_ID_HANDLER(ID_SCROLL_DOWN, CScrollImpl< T >::OnScrollDown)
+		COMMAND_ID_HANDLER(ID_SCROLL_PAGE_UP, CScrollImpl< T >::OnScrollPageUp)
+		COMMAND_ID_HANDLER(ID_SCROLL_PAGE_DOWN, CScrollImpl< T >::OnScrollPageDown)
+		COMMAND_ID_HANDLER(ID_SCROLL_TOP, CScrollImpl< T >::OnScrollTop)
+		COMMAND_ID_HANDLER(ID_SCROLL_BOTTOM, CScrollImpl< T >::OnScrollBottom)
+		COMMAND_ID_HANDLER(ID_SCROLL_LEFT, CScrollImpl< T >::OnScrollLeft)
+		COMMAND_ID_HANDLER(ID_SCROLL_RIGHT, CScrollImpl< T >::OnScrollRight)
+		COMMAND_ID_HANDLER(ID_SCROLL_PAGE_LEFT, CScrollImpl< T >::OnScrollPageLeft)
+		COMMAND_ID_HANDLER(ID_SCROLL_PAGE_RIGHT, CScrollImpl< T >::OnScrollPageRight)
+		COMMAND_ID_HANDLER(ID_SCROLL_ALL_LEFT, CScrollImpl< T >::OnScrollAllLeft)
+		COMMAND_ID_HANDLER(ID_SCROLL_ALL_RIGHT, CScrollImpl< T >::OnScrollAllRight)
+	END_MSG_MAP()
+	
+	LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+	{
+		SIZE sizeClient = {GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)};
+		POINT ptOffset = m_ptOffset;
+		SIZE sizeAll = m_sizeAll;
+		SetScrollSize(sizeClient);
+		if(sizeAll.cx > 0)
+			ptOffset.x = ::MulDiv(ptOffset.x, m_sizeAll.cx, sizeAll.cx);
+		if(sizeAll.cy > 0)
+			ptOffset.y = ::MulDiv(ptOffset.y, m_sizeAll.cy, sizeAll.cy);
+		SetScrollOffset(ptOffset);
+		CScrollImpl< T >::OnSize(uMsg, wParam, lParam, bHandled);
+		if(!m_bSized)
+		{
+			m_bSized = true;
+			T* pT = static_cast<T*>(this);
+			pT->ShowScrollBar(SB_HORZ, TRUE);
+			pT->ShowScrollBar(SB_VERT, TRUE);
+		}
+		return 0;
+	}
+
+	LRESULT OnEraseBkgnd(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
+	{
+		return 1;
+	}
+
+	LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
+	{
+		T* pT = static_cast<T*>(this);
+		RECT rc = { 0 };
+
+		if(wParam != NULL)
+		{
+			CDCHandle dc = (HDC)wParam;
+			int nMapModeSav = dc.GetMapMode();
+			dc.SetMapMode(MM_ANISOTROPIC);
+			SIZE szWindowExt = { 0, 0 };
+			dc.SetWindowExt(m_sizeLogAll, &szWindowExt);
+			SIZE szViewportExt = { 0, 0 };
+			dc.SetViewportExt(m_sizeAll, &szViewportExt);
+			POINT ptViewportOrg = { 0, 0 };
+			dc.SetViewportOrg(-m_ptOffset.x, -m_ptOffset.y, &ptViewportOrg);
+
+			pT->DoPrePaint(dc, rc);
+			pT->DoPaint(dc, rc);
+
+			dc.SetMapMode(nMapModeSav);
+			dc.SetWindowExt(szWindowExt);
+			dc.SetViewportExt(szViewportExt);
+			dc.SetViewportOrg(ptViewportOrg);
+		}
+		else
+		{
+			CPaintDC dc(pT->m_hWnd);
+			pT->PrepareDC(dc.m_hDC);
+			pT->DoPrePaint(dc.m_hDC, rc);
+			pT->DoPaint(dc.m_hDC, rc);
+		}
+
+		return 0;
+	}
+
+	// Painting helpers
+	void DoPaint(CDCHandle dc)
+	{
+		// this one is not used
+	}
+
+	void DoPrePaint(CDCHandle dc, RECT& rc)
+	{
+		RECT rcClient;
+		GetClientRect(&rcClient);
+		RECT rcArea = rcClient;
+		T* pT = static_cast<T*>(this);
+		pT;   // avoid level 4 warning
+		::InflateRect(&rcArea, -pT->m_cxOffset, -pT->m_cyOffset);
+		if (rcArea.left > rcArea.right)
+			rcArea.right = rcArea.left;
+		if (rcArea.top > rcArea.bottom)
+			rcArea.bottom = rcArea.top;
+		GetPageRect(rcArea, &rc);
+		HBRUSH hbrOld = dc.SelectBrush(::GetSysColorBrush(COLOR_BTNSHADOW));
+		dc.PatBlt(rcClient.left, rcClient.top, rc.left - rcClient.left, rcClient.bottom - rcClient.top, PATCOPY);
+		dc.PatBlt(rc.left, rcClient.top, rc.right - rc.left, rc.top - rcClient.top, PATCOPY);
+		dc.PatBlt(rc.right, rcClient.top, rcClient.right - rc.right, rcClient.bottom - rcClient.top, PATCOPY);
+		dc.PatBlt(rc.left, rc.bottom, rc.right - rc.left, rcClient.bottom - rc.bottom, PATCOPY);
+		dc.SelectBrush((HBRUSH)::GetStockObject(WHITE_BRUSH));
+		dc.PatBlt(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, PATCOPY);
+		dc.SelectBrush(::GetSysColorBrush(COLOR_3DDKSHADOW));
+		dc.PatBlt(rc.right, rc.top + 4, 4, rc.bottom - rc.top, PATCOPY);
+		dc.PatBlt(rc.left + 4, rc.bottom, rc.right - rc.left, 4, PATCOPY);
+		dc.SelectBrush(hbrOld);
+	}
+
+	void DoPaint(CDCHandle dc, RECT& rc)
+	{
+		CEnhMetaFileInfo emfinfo(m_meta);
+		ENHMETAHEADER* pmh = emfinfo.GetEnhMetaFileHeader();
+		int nOffsetX = MulDiv(m_sizeCurPhysOffset.cx, rc.right-rc.left, pmh->szlDevice.cx);
+		int nOffsetY = MulDiv(m_sizeCurPhysOffset.cy, rc.bottom-rc.top, pmh->szlDevice.cy);
+
+		dc.OffsetWindowOrg(-nOffsetX, -nOffsetY);
+		dc.PlayMetaFile(m_meta, &rc);
+	}
+};
+
+class CZoomPrintPreviewWindow : public CZoomPrintPreviewWindowImpl<CZoomPrintPreviewWindow>
+{
+public:
+	DECLARE_WND_CLASS_EX(_T("WTL_ZoomPrintPreview"), CS_VREDRAW | CS_HREDRAW, -1)
+};
+
+#endif // __ATLSCRL_H__
+
+}; // namespace WTL
+
+#endif // __ATLPRINT_H__