// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FPDFAPI_FPDF_FONT_FONT_INT_H_
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#define CORE_FPDFAPI_FPDF_FONT_FONT_INT_H_
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#include <map>
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#include <memory>
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#include "core/fpdfapi/fpdf_font/cpdf_cidfont.h"
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#include "core/fxcrt/include/fx_basic.h"
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class CPDF_CID2UnicodeMap;
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class CPDF_CMap;
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class CPDF_Font;
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class CPDF_Stream;
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typedef void* FXFT_Library;
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short TT2PDF(int m, FXFT_Face face);
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FX_BOOL FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id);
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CIDSet CharsetFromOrdering(const CFX_ByteStringC& ordering);
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class CPDF_CMapManager {
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public:
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CPDF_CMapManager();
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~CPDF_CMapManager();
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void* GetPackage(FX_BOOL bPrompt);
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CPDF_CMap* GetPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPromptCJK);
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CPDF_CID2UnicodeMap* GetCID2UnicodeMap(CIDSet charset, FX_BOOL bPromptCJK);
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void ReloadAll();
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private:
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CPDF_CMap* LoadPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPromptCJK);
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CPDF_CID2UnicodeMap* LoadCID2UnicodeMap(CIDSet charset, FX_BOOL bPromptCJK);
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FX_BOOL m_bPrompted;
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std::map<CFX_ByteString, CPDF_CMap*> m_CMaps;
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CPDF_CID2UnicodeMap* m_CID2UnicodeMaps[6];
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};
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class CFX_StockFontArray {
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public:
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CFX_StockFontArray();
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~CFX_StockFontArray();
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// Takes ownership of |pFont|.
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void SetFont(uint32_t index, CPDF_Font* pFont);
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CPDF_Font* GetFont(uint32_t index) const;
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private:
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std::unique_ptr<CPDF_Font> m_StockFonts[14];
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};
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class CPDF_FontGlobals {
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public:
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CPDF_FontGlobals();
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~CPDF_FontGlobals();
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void Clear(CPDF_Document* pDoc);
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CPDF_Font* Find(CPDF_Document* pDoc, uint32_t index);
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// Takes ownership of |pFont|.
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void Set(CPDF_Document* key, uint32_t index, CPDF_Font* pFont);
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CPDF_CMapManager m_CMapManager;
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struct {
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const struct FXCMAP_CMap* m_pMapList;
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uint32_t m_Count;
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} m_EmbeddedCharsets[CIDSET_NUM_SETS];
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struct {
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const uint16_t* m_pMap;
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uint32_t m_Count;
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} m_EmbeddedToUnicodes[CIDSET_NUM_SETS];
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private:
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std::map<CPDF_Document*, std::unique_ptr<CFX_StockFontArray>> m_StockMap;
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};
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struct CMap_CodeRange {
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int m_CharSize;
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uint8_t m_Lower[4];
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uint8_t m_Upper[4];
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};
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class CPDF_CMapParser {
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public:
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CPDF_CMapParser();
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~CPDF_CMapParser();
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FX_BOOL Initialize(CPDF_CMap* pMap);
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void ParseWord(const CFX_ByteStringC& str);
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CFX_BinaryBuf m_AddMaps;
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private:
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friend class fpdf_font_cid_CMap_GetCode_Test;
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friend class fpdf_font_cid_CMap_GetCodeRange_Test;
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static uint32_t CMap_GetCode(const CFX_ByteStringC& word);
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static bool CMap_GetCodeRange(CMap_CodeRange& range,
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const CFX_ByteStringC& first,
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const CFX_ByteStringC& second);
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CPDF_CMap* m_pCMap;
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int m_Status;
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int m_CodeSeq;
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uint32_t m_CodePoints[4];
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CFX_ArrayTemplate<CMap_CodeRange> m_CodeRanges;
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CFX_ByteString m_Registry;
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CFX_ByteString m_Ordering;
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CFX_ByteString m_Supplement;
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CFX_ByteString m_LastWord;
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};
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enum CIDCoding : uint8_t {
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CIDCODING_UNKNOWN = 0,
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CIDCODING_GB,
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CIDCODING_BIG5,
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CIDCODING_JIS,
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CIDCODING_KOREA,
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CIDCODING_UCS2,
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CIDCODING_CID,
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CIDCODING_UTF16,
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};
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class CPDF_CMap {
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public:
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enum CodingScheme : uint8_t {
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OneByte,
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TwoBytes,
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MixedTwoBytes,
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MixedFourBytes
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};
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CPDF_CMap();
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~CPDF_CMap();
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FX_BOOL LoadPredefined(CPDF_CMapManager* pMgr,
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const FX_CHAR* name,
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FX_BOOL bPromptCJK);
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FX_BOOL LoadEmbedded(const uint8_t* pData, uint32_t dwSize);
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void Release();
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FX_BOOL IsLoaded() const;
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FX_BOOL IsVertWriting() const;
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uint16_t CIDFromCharCode(uint32_t charcode) const;
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uint32_t CharCodeFromCID(uint16_t CID) const;
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int GetCharSize(uint32_t charcode) const;
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uint32_t GetNextChar(const FX_CHAR* pString, int nStrLen, int& offset) const;
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int CountChar(const FX_CHAR* pString, int size) const;
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int AppendChar(FX_CHAR* str, uint32_t charcode) const;
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protected:
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friend class CPDF_CMapParser;
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friend class CPDF_CMapManager;
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friend class CPDF_CIDFont;
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CFX_ByteString m_PredefinedCMap;
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FX_BOOL m_bVertical;
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CIDSet m_Charset;
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int m_Coding;
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CodingScheme m_CodingScheme;
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int m_nCodeRanges;
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uint8_t* m_pLeadingBytes;
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uint16_t* m_pMapping;
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uint8_t* m_pAddMapping;
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FX_BOOL m_bLoaded;
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const FXCMAP_CMap* m_pEmbedMap;
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};
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class CPDF_CID2UnicodeMap {
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public:
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CPDF_CID2UnicodeMap();
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~CPDF_CID2UnicodeMap();
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FX_BOOL Initialize();
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FX_BOOL IsLoaded();
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void Load(CPDF_CMapManager* pMgr, CIDSet charset, FX_BOOL bPromptCJK);
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FX_WCHAR UnicodeFromCID(uint16_t CID);
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protected:
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CIDSet m_Charset;
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const uint16_t* m_pEmbeddedMap;
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uint32_t m_EmbeddedCount;
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};
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class CPDF_ToUnicodeMap {
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public:
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CPDF_ToUnicodeMap();
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~CPDF_ToUnicodeMap();
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void Load(CPDF_Stream* pStream);
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CFX_WideString Lookup(uint32_t charcode) const;
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uint32_t ReverseLookup(FX_WCHAR unicode) const;
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protected:
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std::map<uint32_t, uint32_t> m_Map;
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CPDF_CID2UnicodeMap* m_pBaseMap;
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CFX_WideTextBuf m_MultiCharBuf;
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private:
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friend class fpdf_font_StringToCode_Test;
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friend class fpdf_font_StringToWideString_Test;
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static uint32_t StringToCode(const CFX_ByteStringC& str);
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static CFX_WideString StringToWideString(const CFX_ByteStringC& str);
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};
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#endif // CORE_FPDFAPI_FPDF_FONT_FONT_INT_H_
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