init repo

ActiveX/Common/ASCUtils.h

@@ -0,0 +1,336 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2014
+ *
+ * This program is a free software product. You can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License (AGPL) 
+ * version 3 as published by the Free Software Foundation. In accordance with 
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
+ * EU, LV-1021.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under 
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+ #ifdef _MSC_VER
+	#pragma once			
+#endif	
+
+#ifndef _AVSUTILS_H_	
+#define _AVSUTILS_H_
+
+
+#include <atlbase.h>
+#include <atlcoll.h>
+#include <stdio.h>
+
+#include "ASCUtilsDefines.h"
+
+#define ADDREFINTERFACE(pinterface)\
+{\
+	if (pinterface!=NULL)\
+	{\
+		pinterface->AddRef();\
+	}\
+}
+#define RELEASEINTERFACE(pinterface)\
+{\
+	if (pinterface!=NULL)\
+	{\
+		pinterface->Release();\
+		pinterface=NULL;\
+	}\
+}
+#define QUERYINTERFACE(pinterface, pinterface_res, iid)\
+{\
+	if (pinterface!=NULL)\
+		pinterface->QueryInterface(iid, (void**)&pinterface_res);\
+	else\
+		pinterface_res=NULL;\
+}
+#define RELEASEMEM(pobject)\
+{\
+	if (pobject!=NULL)\
+	{\
+		free(pobject);\
+		pobject=NULL;\
+	}\
+}
+#define RELEASEOBJECT(pobject)\
+{\
+	if (pobject!=NULL)\
+	{\
+		delete pobject;\
+		pobject=NULL;\
+	}\
+}
+#define RELEASEARRAYOBJECTS(pobject)\
+{\
+	if (pobject!=NULL)\
+	{\
+		delete []pobject;\
+		pobject=NULL;\
+	}\
+}
+#define RELEASEHEAP(pmem)\
+{\
+	if (pmem!=NULL)\
+	{\
+		HeapFree(GetProcessHeap(), 0, pmem);\
+		pmem=NULL;\
+	}\
+}
+#define RELEASEARRAY(parray)\
+{\
+	if (parray!=NULL)\
+	{\
+		SafeArrayDestroy(parray);\
+		parray=NULL;\
+	}\
+}
+#define RELEASESYSSTRING(pstring)\
+{\
+	if (pstring!=NULL)\
+	{\
+		SysFreeString(pstring);\
+		pstring=NULL;\
+	}\
+}
+#define RELEASEHANDLE(phandle)\
+{\
+	if (phandle!=NULL)\
+	{\
+		CloseHandle(phandle);\
+		phandle=NULL;\
+	}\
+}
+
+class CSynchAccess
+{
+public:
+	HANDLE	m_hSynchAccess;
+
+public:
+	CSynchAccess(HANDLE hSynchAccess)
+	{
+		m_hSynchAccess=hSynchAccess;
+		WaitForSingleObject(m_hSynchAccess, INFINITE);
+	}
+	
+	~CSynchAccess(void)
+	{
+		if (m_hSynchAccess!=NULL)
+			ReleaseMutex(m_hSynchAccess);
+	}
+};
+
+class IBaseUnknown
+{
+private:
+	LONG	m_dwRef;
+
+public:
+	LONG __fastcall AddRef()
+	{
+		return InterlockedIncrement(&m_dwRef);
+	}
+	
+	LONG __fastcall Release()
+	{
+		LONG	lResult=InterlockedDecrement(&m_dwRef);
+		if (lResult==0)
+			delete this;
+		return lResult;
+	}
+
+public:
+	IBaseUnknown()
+	{
+		m_dwRef=1;
+	}
+	virtual ~IBaseUnknown()
+	{
+	}
+};
+
+template< typename E, class ETraits = CElementTraits< E > >
+class CPtrAtlArray:
+	public CAtlArray<E, ETraits>
+{
+public:
+	~CPtrAtlArray()
+	{
+		FreeAll();
+	}
+
+	inline E& GetFromBegin()
+	{
+		ATLASSERT( GetCount()>0 );
+		if (GetCount()==0)
+			ATL::AtlThrow(E_INVALIDARG);
+
+		return( GetAt(0) );
+	}
+
+	inline E& GetFromEnd()
+	{
+		ATLASSERT( GetCount()>0 );
+		if (GetCount()==0)
+			ATL::AtlThrow(E_INVALIDARG);
+
+		return( GetAt(GetCount()-1) );
+	}
+
+	void FreeAt(size_t iElement, size_t nCount = 1)
+	{
+		if (iElement >= GetCount()) return;
+		if (iElement + nCount > GetCount()) nCount = GetCount() - iElement;
+		for (size_t i = iElement; i < iElement + nCount; i++)
+	{
+			RELEASEOBJECT(GetAt(i))
+		}
+		RemoveAt(iElement, nCount);
+	}
+	void FreeAll()
+	{
+		for (unsigned int i = 0; i < GetCount(); i++)
+		{
+			RELEASEOBJECT(GetAt(i))
+		}
+		RemoveAll();
+	}
+};
+
+template< typename E, class ETraits = CElementTraits< E > >
+class CIPtrAtlArray:
+	public CAtlArray<E, ETraits>
+{
+public:
+	~CIPtrAtlArray()
+	{
+		FreeAll();
+	}
+	inline E& GetFromBegin()
+	{
+		ATLASSERT( GetCount()>0 );
+		if (GetCount()==0)
+			ATL::AtlThrow(E_INVALIDARG);
+
+		return( GetAt(0) );
+	}
+
+	inline E& GetFromEnd()
+	{
+		ATLASSERT( GetCount()>0 );
+		if (GetCount()==0)
+			AtlThrow(E_INVALIDARG);
+
+		return( GetAt(GetCount()-1) );
+	}
+
+	void FreeAt(size_t iElement, size_t nCount = 1)
+	{
+		if (iElement >= GetCount()) return;
+		if (iElement + nCount > GetCount()) nCount = GetCount() - iElement;
+		for (size_t i = iElement; i < iElement + nCount; i++)
+		{
+			RELEASEINTERFACE(GetAt(i))
+		}
+		RemoveAt(iElement, nCount);
+	}
+	void FreeAll()
+	{
+		for (unsigned int i = 0; i < GetCount(); i++)
+		{
+			RELEASEINTERFACE(GetAt(i))
+		}
+		RemoveAll();
+	}
+};
+
+class CPerfomanceCounter
+{
+private:
+	LARGE_INTEGER		m_PerformanceCounter;
+	FILE*				m_fLogFile;
+
+	LARGE_INTEGER		m_PCBeg;
+	LARGE_INTEGER		m_PCEnd;
+	LARGE_INTEGER		m_PCFreq;
+
+	LONG				m_CallCounter;
+public:
+	void __fastcall ReInitCounter()
+	{
+		m_PerformanceCounter.QuadPart=0;
+		m_CallCounter=0;
+	}
+
+	void __fastcall StartCounter()
+	{
+		QueryPerformanceCounter(&m_PCBeg);
+		m_CallCounter++;
+	}
+	DOUBLE __fastcall StopCounter()
+	{
+		QueryPerformanceCounter(&m_PCEnd);
+		m_PerformanceCounter.QuadPart += m_PCEnd.QuadPart - m_PCBeg.QuadPart;
+
+		double	fps=(double)m_PerformanceCounter.QuadPart/m_PCFreq.QuadPart;
+		fps/=m_CallCounter;
+		fps=1/fps;
+		if (m_fLogFile!=NULL)
+		{
+			fprintf(m_fLogFile, "FPS=%f\n", fps);
+			fflush(m_fLogFile);
+		}
+		return fps;
+	}
+
+	CPerfomanceCounter(char* fileName)
+	{
+		m_PerformanceCounter.QuadPart=0;
+		m_CallCounter=0;
+		QueryPerformanceFrequency(&m_PCFreq);
+
+		m_fLogFile=NULL;
+		if (fileName!=NULL)
+		{
+			fopen_s(&m_fLogFile, fileName, "a");
+		}
+	}
+	~CPerfomanceCounter()
+	{
+		if (m_fLogFile!=NULL)
+		{
+			fclose(m_fLogFile);
+			m_fLogFile=NULL;
+		}
+	}
+};
+
+static SAFEARRAY* SafeArrayCreateVector(VARTYPE vt, unsigned int size)
+{
+	SAFEARRAYBOUND	rgsabound[1];
+	rgsabound[0].lLbound = 0;
+	rgsabound[0].cElements = size;
+	return SafeArrayCreate(vt, 1, rgsabound);
+}
+#endif // #ifndef _AVSUTILS_H_	// For Borland compiler