161 lines
5.6 KiB
C++
161 lines
5.6 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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#ifndef _PDF_WRITER_SRC_FONTCIDTT_H
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#define _PDF_WRITER_SRC_FONTCIDTT_H
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#include "Font.h"
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#include "Objects.h"
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#include <string>
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#include <map>
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#include <vector>
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#include "../../DesktopEditor/common/File.h"
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#include <ft2build.h>
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#include FT_TRUETYPE_TABLES_H
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namespace PdfWriter
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{
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static unsigned int GetGID(FT_Face pFace, unsigned int unUnicode)
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{
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int nCharIndex = 0;
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if (!pFace)
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return nCharIndex;
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for (int nIndex = 0; nIndex < pFace->num_charmaps; nIndex++)
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{
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FT_CharMap pCharMap = pFace->charmaps[nIndex];
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if (FT_Set_Charmap(pFace, pCharMap))
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continue;
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FT_Encoding pEncoding = pCharMap->encoding;
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if (FT_ENCODING_UNICODE == pEncoding)
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{
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if (nCharIndex = FT_Get_Char_Index(pFace, unUnicode))
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return nCharIndex;
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}
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if (FT_ENCODING_NONE == pEncoding || FT_ENCODING_MS_SYMBOL == pEncoding || FT_ENCODING_APPLE_ROMAN == pEncoding)
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{
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nCharIndex = FT_Get_Char_Index(pFace, unUnicode);
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}
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/*else if ( FT_ENCODING_ADOBE_STANDARD == pEncoding )
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{
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nCharIndex = FT_Get_Char_Index( pFace, unUnicode );
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}
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else if ( FT_ENCODING_ADOBE_CUSTOM == pEncoding )
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{
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nCharIndex = FT_Get_Char_Index( pFace, unUnicode );
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}
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else if ( FT_ENCODING_ADOBE_EXPERT == pEncoding )
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{
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nCharIndex = FT_Get_Char_Index( pFace, unUnicode );
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}*/
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}
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return nCharIndex;
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}
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class CXref;
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class CStream;
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class CFontFileTrueType;
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class CDocument;
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//----------------------------------------------------------------------------------------
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// CFontFileBase
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//----------------------------------------------------------------------------------------
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class CFontCidTrueType : public CFontDict
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{
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public:
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CFontCidTrueType(CXref* pXref, CDocument* pDocument, const std::wstring& wsFontPath, unsigned int unIndex, CFontFileTrueType* pFontTT);
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~CFontCidTrueType();
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unsigned short EncodeUnicode(const unsigned int& unUnicode);
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unsigned short EncodeGID(const unsigned int& unGID, const unsigned int* pUnicodes, const unsigned int& unCount);
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bool HaveChar(const unsigned int& unUnicode);
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unsigned int GetChar(const unsigned int& unUnicode);
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unsigned int GetWidth(unsigned short ushCode);
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unsigned int GetGlyphWidth(unsigned short ushCode);
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bool IsItalic();
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bool IsBold();
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EFontType GetFontType()
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{
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return fontCIDType2;
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}
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private:
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void BeforeWrite();
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bool GetWidthsAndGids(unsigned short** ppCodeToGid, unsigned int** pWidths, unsigned char** ppGlyphs, unsigned int& unGlyphsCount);
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void CreateCIDFont(CDictObject* pFont);
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void CreateCIDFont2(CDictObject* pFont);
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void CreateCIDFont0(CDictObject* pFont);
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void WriteToUnicode();
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bool OpenFontFace();
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void CloseFontFace();
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private:
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std::wstring m_wsFontPath;
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unsigned int m_unFontIndex;
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CFontFileTrueType* m_pFontFile;
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CDictObject* m_pFontFileDict;
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CStream* m_pCidToGidMapStream;
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CStream* m_pToUnicodeStream;
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CDictObject* m_pFont;
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CDictObject* m_pFontDescriptor;
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unsigned short m_ushCodesCount; // Количество закодированных символов
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std::map<unsigned int, unsigned short> m_mUnicodeToCode; // Мап Юникод->код символа
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std::vector<std::vector<unsigned int>> m_vUnicodes; // Обратный мап код символа -> юникодЫ
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std::vector<unsigned int> m_vCodeToGid;
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std::vector<unsigned int> m_vWidths; // glyph.advance
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std::map<unsigned short, bool> m_mGlyphs;
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std::vector<unsigned int> m_vGlypWidths; // glyph.width
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FT_Face m_pFace;
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FT_Byte* m_pFaceMemory;
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int m_nGlyphsCount;
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int m_nSymbolicCmap;
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bool m_bNeedAddFontName;
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friend class CDocument;
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};
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}
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#endif // _PDF_WRITER_SRC_FONTCIDTT_H
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