Files
core/PdfReader/Src/FontFileBase.h
2018-03-01 14:30:24 +03:00

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2.7 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2018
*
* 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
*
*/
#ifndef _PDF_READER_FONT_FILE_BASE_H
#define _PDF_READER_FONT_FILE_BASE_H
namespace PdfReader
{
typedef void(*FontFileOutputFunc)(void *pStream, char *sData, int nLen);
//------------------------------------------------------------------------
// CFontFileBase
//------------------------------------------------------------------------
class CFontFileBase
{
public:
virtual ~CFontFileBase();
protected:
CFontFileBase(char *sFile, int nLen, bool bFreeFileData);
static char *ReadFile(wchar_t *wsFileName, int *pnFileLen);
// S = signed / U = unsigned
// 8/16/32/Var = word length, in bytes
// BE = big endian
int GetS8(int nPos, bool *pbSuccess);
int GetU8(int nPos, bool *pbSuccess);
int GetS16BE(int nPos, bool *pbSuccess);
int GetU16BE(int nPos, bool *pbSuccess);
int GetS32BE(int nPos, bool *pbSuccess);
unsigned int GetU32BE(int nPos, bool *pbSuccess);
unsigned int GetUVarBE(int nPos, int nSize, bool *pbSuccess);
bool CheckRegion(int nPos, int nSize);
protected:
unsigned char *m_sFileData;
unsigned char *m_sFile;
int m_nLen;
bool m_bFreeFileData;
};
}
#endif // _PDF_READER_FONT_FILE_BASE_H