222 lines
7.8 KiB
C
222 lines
7.8 KiB
C
// This is a part of the Active Template Library.
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// Copyright (C) 1996-1997 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Active Template Library Reference and related
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// electronic documentation provided with the library.
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// See these sources for detailed information regarding the
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// Active Template Library product.
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#ifndef __ATLCONV_H__
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#define __ATLCONV_H__
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#ifndef __cplusplus
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#error ATL requires C++ compilation (use a .cpp suffix)
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#endif
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#ifndef _INC_MALLOC
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#include <malloc.h>
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#endif // _INC_MALLOC
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#pragma pack(push,8)
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// Make sure MFC's afxconv.h hasn't already been loaded to do this
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#ifndef USES_CONVERSION
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#ifndef _DEBUG
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#define USES_CONVERSION int _convert; _convert
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#else
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#define USES_CONVERSION int _convert = 0
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// Global UNICODE<>ANSI translation helpers
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LPWSTR WINAPI AtlA2WHelper(LPWSTR lpw, LPCSTR lpa, int nChars);
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LPSTR WINAPI AtlW2AHelper(LPSTR lpa, LPCWSTR lpw, int nChars);
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#ifndef ATLA2WHELPER
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#define ATLA2WHELPER AtlA2WHelper
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#define ATLW2AHELPER AtlW2AHelper
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#endif
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#define A2W(lpa) (\
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((LPCSTR)lpa == NULL) ? NULL : (\
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_convert = (lstrlenA(lpa)+1),\
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ATLA2WHELPER((LPWSTR) alloca(_convert*2), (LPCSTR)lpa, _convert)))
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#define W2A(lpw) (\
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((LPCWSTR)lpw == NULL) ? NULL : (\
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_convert = (lstrlenW(lpw)+1)*2,\
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ATLW2AHELPER((LPSTR) alloca(_convert), lpw, _convert)))
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#define A2CW(lpa) ((LPCWSTR)A2W(lpa))
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#define W2CA(lpw) ((LPCSTR)W2A(lpw))
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#if defined(_UNICODE)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline int ocslen(LPCOLESTR x) { return lstrlenW(x); }
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inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) { return lstrcpyW(dest, src); }
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inline LPCOLESTR T2COLE(LPCTSTR lp) { return lp; }
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inline LPCTSTR OLE2CT(LPCOLESTR lp) { return lp; }
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inline LPOLESTR T2OLE(LPTSTR lp) { return lp; }
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inline LPTSTR OLE2T(LPOLESTR lp) { return lp; }
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#elif defined(OLE2ANSI)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline int ocslen(LPCOLESTR x) { return lstrlen(x); }
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inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) { return lstrcpy(dest, src); }
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inline LPCOLESTR T2COLE(LPCTSTR lp) { return lp; }
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inline LPCTSTR OLE2CT(LPCOLESTR lp) { return lp; }
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inline LPOLESTR T2OLE(LPTSTR lp) { return lp; }
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inline LPTSTR OLE2T(LPOLESTR lp) { return lp; }
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#else
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inline int ocslen(LPCOLESTR x) { return lstrlenW(x); }
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//lstrcpyW doesn't work on Win95, so we do this
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inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src)
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{return (LPOLESTR) memcpy(dest, src, (lstrlenW(src)+1)*sizeof(WCHAR));}
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//CharNextW doesn't work on Win95 so we use this
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#define T2COLE(lpa) A2CW(lpa)
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#define T2OLE(lpa) A2W(lpa)
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#define OLE2CT(lpo) W2CA(lpo)
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#define OLE2T(lpo) W2A(lpo)
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#endif
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#ifdef OLE2ANSI
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inline LPOLESTR A2OLE(LPSTR lp) { return lp;}
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inline LPSTR OLE2A(LPOLESTR lp) { return lp;}
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#define W2OLE W2A
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#define OLE2W A2W
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inline LPCOLESTR A2COLE(LPCSTR lp) { return lp;}
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inline LPCSTR OLE2CA(LPCOLESTR lp) { return lp;}
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#define W2COLE W2CA
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#define OLE2CW A2CW
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#else
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inline LPOLESTR W2OLE(LPWSTR lp) { return lp; }
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inline LPWSTR OLE2W(LPOLESTR lp) { return lp; }
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#define A2OLE A2W
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#define OLE2A W2A
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inline LPCOLESTR W2COLE(LPCWSTR lp) { return lp; }
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inline LPCWSTR OLE2CW(LPCOLESTR lp) { return lp; }
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#define A2COLE A2CW
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#define OLE2CA W2CA
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#endif
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#ifdef _UNICODE
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#define T2A W2A
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#define A2T A2W
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inline LPWSTR T2W(LPTSTR lp) { return lp; }
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inline LPTSTR W2T(LPWSTR lp) { return lp; }
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#define T2CA W2CA
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#define A2CT A2CW
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inline LPCWSTR T2CW(LPCTSTR lp) { return lp; }
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inline LPCTSTR W2CT(LPCWSTR lp) { return lp; }
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#else
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#define T2W A2W
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#define W2T W2A
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inline LPSTR T2A(LPTSTR lp) { return lp; }
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inline LPTSTR A2T(LPSTR lp) { return lp; }
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#define T2CW A2CW
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#define W2CT W2CA
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inline LPCSTR T2CA(LPCTSTR lp) { return lp; }
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inline LPCTSTR A2CT(LPCSTR lp) { return lp; }
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#endif
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inline BSTR OLE2BSTR(LPCOLESTR lp) {return ::SysAllocString(lp);}
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#if defined(_UNICODE)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline BSTR T2BSTR(LPCTSTR lp) {return ::SysAllocString(lp);}
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inline BSTR A2BSTR(LPCSTR lp) {USES_CONVERSION; return ::SysAllocString(A2COLE(lp));}
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inline BSTR W2BSTR(LPCWSTR lp) {return ::SysAllocString(lp);}
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#elif defined(OLE2ANSI)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline BSTR T2BSTR(LPCTSTR lp) {return ::SysAllocString(lp);}
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inline BSTR A2BSTR(LPCSTR lp) {return ::SysAllocString(lp);}
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inline BSTR W2BSTR(LPCWSTR lp) {USES_CONVERSION; return ::SysAllocString(W2COLE(lp));}
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#else
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inline BSTR T2BSTR(LPCTSTR lp) {USES_CONVERSION; return ::SysAllocString(T2COLE(lp));}
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inline BSTR A2BSTR(LPCSTR lp) {USES_CONVERSION; return ::SysAllocString(A2COLE(lp));}
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inline BSTR W2BSTR(LPCWSTR lp) {return ::SysAllocString(lp);}
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#endif
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#if defined(_WINGDI_) && !defined(NOGDI)
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/////////////////////////////////////////////////////////////////////////////
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// Global UNICODE<>ANSI translation helpers
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LPDEVMODEW AtlDevModeA2W(LPDEVMODEW lpDevModeW, LPDEVMODEA lpDevModeA);
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LPDEVMODEA AtlDevModeW2A(LPDEVMODEA lpDevModeA, LPDEVMODEW lpDevModeW);
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LPTEXTMETRICW AtlTextMetricA2W(LPTEXTMETRICW lptmW, LPTEXTMETRICA pltmA);
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LPTEXTMETRICA AtlTextMetricW2A(LPTEXTMETRICA lptmA, LPTEXTMETRICW pltmW);
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#ifndef ATLDEVMODEA2W
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#define ATLDEVMODEA2W AtlDevModeA2W
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#define ATLDEVMODEW2A AtlDevModeW2A
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#define ATLTEXTMETRICA2W AtlTextMetricA2W
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#define ATLTEXTMETRICW2A AtlTextMetricW2A
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#endif
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#define DEVMODEW2A(lpw)\
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((lpw == NULL) ? NULL : ATLDEVMODEW2A((LPDEVMODEA)alloca(sizeof(DEVMODEA)+lpw->dmDriverExtra), lpw))
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#define DEVMODEA2W(lpa)\
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((lpa == NULL) ? NULL : ATLDEVMODEA2W((LPDEVMODEW)alloca(sizeof(DEVMODEW)+lpa->dmDriverExtra), lpa))
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#define TEXTMETRICW2A(lptmw)\
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((lptmw == NULL) ? NULL : ATLTEXTMETRICW2A((LPTEXTMETRICA)alloca(sizeof(TEXTMETRICA)), lptmw))
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#define TEXTMETRICA2W(lptma)\
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((lptma == NULL) ? NULL : ATLTEXTMETRICA2W((LPTEXTMETRICW)alloca(sizeof(TEXTMETRICW)), lptma))
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#ifdef OLE2ANSI
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#define DEVMODEOLE DEVMODEA
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#define LPDEVMODEOLE LPDEVMODEA
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#define TEXTMETRICOLE TEXTMETRICA
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#define LPTEXTMETRICOLE LPTEXTMETRICA
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#else
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#define DEVMODEOLE DEVMODEW
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#define LPDEVMODEOLE LPDEVMODEW
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#define TEXTMETRICOLE TEXTMETRICW
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#define LPTEXTMETRICOLE LPTEXTMETRICW
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#endif
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#if defined(_UNICODE)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline LPDEVMODEW DEVMODEOLE2T(LPDEVMODEOLE lp) { return lp; }
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inline LPDEVMODEOLE DEVMODET2OLE(LPDEVMODEW lp) { return lp; }
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inline LPTEXTMETRICW TEXTMETRICOLE2T(LPTEXTMETRICOLE lp) { return lp; }
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inline LPTEXTMETRICOLE TEXTMETRICT2OLE(LPTEXTMETRICW lp) { return lp; }
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#elif defined(OLE2ANSI)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline LPDEVMODE DEVMODEOLE2T(LPDEVMODEOLE lp) { return lp; }
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inline LPDEVMODEOLE DEVMODET2OLE(LPDEVMODE lp) { return lp; }
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inline LPTEXTMETRIC TEXTMETRICOLE2T(LPTEXTMETRICOLE lp) { return lp; }
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inline LPTEXTMETRICOLE TEXTMETRICT2OLE(LPTEXTMETRIC lp) { return lp; }
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#else
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#define DEVMODEOLE2T(lpo) DEVMODEW2A(lpo)
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#define DEVMODET2OLE(lpa) DEVMODEA2W(lpa)
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#define TEXTMETRICOLE2T(lptmw) TEXTMETRICW2A(lptmw)
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#define TEXTMETRICT2OLE(lptma) TEXTMETRICA2W(lptma)
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#endif
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#endif //_WINGDI_
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#else //!USES_CONVERSION
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// if USES_CONVERSION already defined (i.e. MFC_VER < 4.21 )
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// flip this switch to avoid atlconv.cpp
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#define _ATL_NO_CONVERSIONS
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#endif //!USES_CONVERSION
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// Define these even if MFC already included
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#if defined(_UNICODE)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline LPOLESTR CharNextO(LPCOLESTR lp) {return CharNextW(lp);}
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#elif defined(OLE2ANSI)
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// in these cases the default (TCHAR) is the same as OLECHAR
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inline LPOLESTR CharNextO(LPCOLESTR lp) {return CharNext(lp);}
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#else
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inline LPOLESTR CharNextO(LPCOLESTR lp) {return (LPOLESTR)(lp+1);}
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#endif
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#pragma pack(pop)
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#endif // __ATLCONV_H__
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/////////////////////////////////////////////////////////////////////////////
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