Files
core/XpsFile/XpsLib/FontList.h
Kulikova Svetlana 5f96f5dbb7 refactoring
2021-07-09 14:47:21 +03:00

124 lines
3.3 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2019
*
* 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 20A-12 Ernesta Birznieka-Upisha
* street, Riga, Latvia, EU, LV-1050.
*
* 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 _XPS_XPSLIB_FONTLIST_H
#define _XPS_XPSLIB_FONTLIST_H
#include <map>
#include <string>
#include <sstream>
#include "../../DesktopEditor/graphics/TemporaryCS.h"
#include "../../DesktopEditor/common/File.h"
#include "Utils.h"
namespace XPS
{
class CFontList
{
public:
CFontList()
{
m_oCS.InitializeCriticalSection();
}
~CFontList()
{
m_oCS.DeleteCriticalSection();
}
void Clear()
{
m_mList.clear();
}
void Check(const std::wstring& wsName, BYTE* data, DWORD length)
{
m_oCS.Enter();
if (!Find(wsName))
{
Add(wsName);
unsigned char sKey[16];
GetFontKey(wsName, sKey);
if (length >= 32)
for (int nIndex = 0; nIndex < 32; nIndex++)
data[nIndex] ^= sKey[nIndex % 16];
}
m_oCS.Leave();
}
private:
bool Find(const std::wstring& wsName)
{
std::map<std::wstring, bool>::iterator oIter = m_mList.find(wsName);
if (oIter != m_mList.end())
return oIter->second;
return false;
}
void Add(const std::wstring& wsName)
{
m_mList.insert(std::pair<std::wstring, bool>(wsName, true));
}
void GetFontKey(const std::wstring& wsName, unsigned char* sKey)
{
int k = 0;
for (int i = wsName.length() - 1; i >= 0; i--)
{
if ('-' != wsName[i])
{
sKey[k] = (unsigned char)GetIntegerFromHex(wsName.substr(i - 1, 2));
i--;
k++;
}
}
}
int GetIntegerFromHex(const std::wstring& wsString)
{
if (0 == wsString.size())
return 0;
std::wistringstream wiss(wsString);
int nValue = 0;
wiss >> std::hex >> nValue;
return nValue;
}
private:
NSCriticalSection::CRITICAL_SECTION m_oCS;
std::map<std::wstring, bool> m_mList;
};
}
#endif // _XPS_XPSLIB_FONTLIST_H