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https://github.com/ONLYOFFICE/core.git
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212 lines
6.7 KiB
C++
212 lines
6.7 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2017
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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 Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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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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#ifndef _BUILD_FONT_ENGINE_FONTMANAGER_H_
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#define _BUILD_FONT_ENGINE_FONTMANAGER_H_
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#include "FontFile.h"
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#include <map>
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#include <list>
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class CFontSelectFormat;
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class CFontInfo;
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class CFontStream
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{
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private:
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int m_lRef;
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public:
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BYTE* m_pData;
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LONG m_lSize;
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bool m_bIsAttach;
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public:
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CFontStream();
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virtual ~CFontStream();
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virtual int AddRef();
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virtual int Release();
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public:
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virtual INT CreateFromFile(const std::wstring& strFileName, BYTE* pDataUse = NULL);
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};
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class CApplicationFontStreams
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{
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private:
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// этот мап нужно периодически опрашивать и удалять неиспользуемые стримы
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std::map<std::wstring, CFontStream*> m_mapStreams;
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public:
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CApplicationFontStreams();
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~CApplicationFontStreams();
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public:
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CFontStream* GetStream(const std::wstring& strFile);
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void CheckStreams(std::map<std::wstring, bool>& mapFiles);
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void Clear();
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};
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class CFontsCache
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{
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friend class CFontManager;
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friend class CApplicationFonts;
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private:
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std::map<std::string, CFontFile*> m_mapFiles;
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CApplicationFontStreams* m_pApplicationFontStreams;
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private:
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std::list<std::string> m_arFiles;
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int m_lCacheSize;
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public:
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CFontsCache()
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{
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m_pApplicationFontStreams = NULL;
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m_lCacheSize = -1;
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}
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~CFontsCache()
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{
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Clear();
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}
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void Clear()
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{
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for (std::map<std::string, CFontFile*>::iterator iter = m_mapFiles.begin(); iter != m_mapFiles.end(); ++iter)
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{
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CFontFile* pFile = iter->second;
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RELEASEOBJECT(pFile);
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}
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m_mapFiles.clear();
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if (-1 != m_lCacheSize)
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m_arFiles.clear();
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}
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void SetCacheSize(const int& lMaxSize)
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{
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if (lMaxSize <= 0)
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m_lCacheSize = -1;
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else
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m_lCacheSize = lMaxSize;
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}
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public:
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inline void SetStreams(CApplicationFontStreams* pStreams) { m_pApplicationFontStreams = pStreams; }
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CFontFile* LockFont(FT_Library library, const std::wstring& strFileName, const LONG& lFaceIndex, const double& dSize);
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};
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class CApplicationFonts;
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class CFontManager
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{
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friend class CApplicationFonts;
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private:
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int m_lRef;
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public:
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FT_Library m_pLibrary;
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CFontFile* m_pFont;
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CGlyphString m_oString;
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std::wstring m_sName;
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INT m_bUseDefaultFont;
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double m_fCharSpacing;
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INT m_bStringGID;
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int m_lUnits_Per_Em;
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int m_lAscender;
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int m_lDescender;
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int m_lLineHeight;
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int m_nLOAD_MODE;
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int m_nRENDER_MODE;
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CApplicationFonts* m_pApplication;
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CFontsCache* m_pOwnerCache;
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public:
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CFontManager();
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~CFontManager();
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public:
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void AfterLoad();
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void Initialize();
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void SetOwnerCache(CFontsCache* pCache);
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double UpdateSize(const double& dOldSize, const double& dDpi, const double& dNewDpi);
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INT LoadString1(const std::wstring& wsBuffer, const float& fX, const float& fY);
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INT LoadString2(const std::wstring& wsBuffer, const float& fX, const float& fY);
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INT LoadString1(const unsigned int* pGids, const unsigned int& nGidsCount, const float& fX, const float& fY);
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INT LoadString2(const unsigned int* pGids, const unsigned int& nGidsCount, const float& fX, const float& fY);
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INT LoadString3(const LONG& gid, const float& fX, const float& fY);
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INT LoadString3C(const LONG& gid, const float& fX, const float& fY);
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INT LoadString2C(const LONG& wsBuffer, const float& fX, const float& fY);
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int GetKerning(UINT unPrevGID, UINT unGID);
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INT GetUnderline(float *pfStartX, float *pfStartY, float *pfEndX, float *pfEndY, float *pfSize);
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TFontCacheSizes MeasureChar(const LONG& lUnicode);
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TBBox MeasureString();
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TBBox MeasureString2();
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INT GetNextChar2(TGlyph*& pGlyph, float& fX, float& fY);
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INT SetTextMatrix(const double& fA, const double& fB, const double& fC, const double& fD, const double& fE, const double& fF);
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INT SetTextMatrix2(const double& fA, const double& fB, const double& fC, const double& fD, const double& fE, const double& fF);
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void SetStringGID(const INT& bStringGID);
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void SetCharSpacing(const double &dCharSpacing);
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INT GetStringPath(ISimpleGraphicsPath* pPath);
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// addref/release
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virtual int AddRef();
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virtual int Release();
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CFontInfo* GetFontInfoByParams(CFontSelectFormat& oFormat, bool bIsDictionaryUse = true);
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CArray<CFontInfo*> GetAllStylesByFontName(const std::wstring& strName);
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INT LoadFontByName(const std::wstring& sName, const double& dSize, const LONG& lStyle, const double& dDpiX, const double& dDpiY);
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INT LoadFontFromFile(const std::wstring& sPath, const int& lFaceIndex, const double& dSize, const double& dDpiX, const double& dDpiY);
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INT LoadFontFromFile2(CFontsCache* pCache, const std::wstring& sPath, const int& lFaceIndex, const double& dSize, const double& dDpiX, const double& dDpiY);
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void CloseFont();
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std::wstring GetFontType() const;
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unsigned int GetNameIndex(const std::wstring& wsName) const;
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void SetSubpixelRendering(const bool& hmul, const bool& vmul);
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public:
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static CFontFile* LoadFontFile(FT_Library library, CFontStream* pStream, LONG lFaceIndex);
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};
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#endif // _BUILD_FONT_ENGINE_FONTMANAGER_H_
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