102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#pragma once
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#if defined(_WIN32) || defined (_WIN64)
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#endif
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#include "../../SystemUtility/File.h"
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#include <algorithm>
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namespace NSWMFToImageConverter
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{
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class CImageExt
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{
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public:
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LONG GetImageType(std::wstring strFile)
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{
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NSFile::CFileBinary oFile;
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if (false == oFile.OpenFile(strFile))
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{
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oFile.CloseFile();
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return 0;
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}
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DWORD dwSize = (DWORD)oFile.GetFileSize();
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if (44 > dwSize)
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{
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return 0;
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}
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DWORD dwKey = 0;
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oFile.ReadFile((BYTE*)(&dwKey), 4);
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if (0x9AC6CDD7 == dwKey)
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{
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// placeable meta
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oFile.CloseFile();
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return 1;
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}
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if (0x00000001 == dwKey)
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{
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oFile.SetPosition(40);
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oFile.ReadFile((BYTE*)(&dwKey), 4);
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oFile.CloseFile();
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if (0x464D4520 == dwKey)
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{
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// EMF/EMF+
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return 2;
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}
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else
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{
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//
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return 0;
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}
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}
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oFile.CloseFile();
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if (0x00090001 == dwKey)
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{
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return 1;
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}
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return 0;
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}
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};
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}
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