| // Copyright 2016 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FPDFAPI_FONT_CPDF_CIDFONT_H_ |
| #define CORE_FPDFAPI_FONT_CPDF_CIDFONT_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fpdfapi/font/cpdf_font.h" |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/fx_string.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| |
| enum CIDSet : uint8_t { |
| CIDSET_UNKNOWN, |
| CIDSET_GB1, |
| CIDSET_CNS1, |
| CIDSET_JAPAN1, |
| CIDSET_KOREA1, |
| CIDSET_UNICODE, |
| CIDSET_NUM_SETS |
| }; |
| |
| class CFX_CTTGSUBTable; |
| class CPDF_CID2UnicodeMap; |
| class CPDF_CMap; |
| class CPDF_StreamAcc; |
| |
| class CPDF_CIDFont final : public CPDF_Font { |
| public: |
| CONSTRUCT_VIA_MAKE_RETAIN; |
| ~CPDF_CIDFont() override; |
| |
| static float CIDTransformToFloat(uint8_t ch); |
| |
| // CPDF_Font: |
| bool IsCIDFont() const override; |
| const CPDF_CIDFont* AsCIDFont() const override; |
| CPDF_CIDFont* AsCIDFont() override; |
| int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) override; |
| int GetCharWidthF(uint32_t charcode) override; |
| FX_RECT GetCharBBox(uint32_t charcode) override; |
| uint32_t GetNextChar(ByteStringView pString, size_t* pOffset) const override; |
| size_t CountChar(ByteStringView pString) const override; |
| int AppendChar(char* str, uint32_t charcode) const override; |
| bool IsVertWriting() const override; |
| bool IsUnicodeCompatible() const override; |
| bool Load() override; |
| WideString UnicodeFromCharCode(uint32_t charcode) const override; |
| uint32_t CharCodeFromUnicode(wchar_t Unicode) const override; |
| |
| uint16_t CIDFromCharCode(uint32_t charcode) const; |
| const uint8_t* GetCIDTransform(uint16_t cid) const; |
| int16_t GetVertWidth(uint16_t cid) const; |
| CFX_Point16 GetVertOrigin(uint16_t cid) const; |
| int GetCharSize(uint32_t charcode) const; |
| |
| private: |
| enum class CIDFontType : bool { |
| kType1, // CIDFontType0 |
| kTrueType // CIDFontType2 |
| }; |
| |
| CPDF_CIDFont(CPDF_Document* pDocument, RetainPtr<CPDF_Dictionary> pFontDict); |
| |
| void LoadGB2312(); |
| int GetGlyphIndex(uint32_t unicodeb, bool* pVertGlyph); |
| int GetVerticalGlyph(int index, bool* pVertGlyph); |
| void LoadSubstFont(); |
| wchar_t GetUnicodeFromCharCode(uint32_t charcode) const; |
| |
| RetainPtr<const CPDF_CMap> m_pCMap; |
| UnownedPtr<const CPDF_CID2UnicodeMap> m_pCID2UnicodeMap; |
| RetainPtr<CPDF_StreamAcc> m_pStreamAcc; |
| std::unique_ptr<CFX_CTTGSUBTable> m_pTTGSUBTable; |
| CIDFontType m_FontType = CIDFontType::kTrueType; |
| bool m_bCIDIsGID = false; |
| bool m_bAnsiWidthsFixed = false; |
| bool m_bAdobeCourierStd = false; |
| CIDSet m_Charset = CIDSET_UNKNOWN; |
| int16_t m_DefaultWidth = 1000; |
| int16_t m_DefaultVY = 880; |
| int16_t m_DefaultW1 = -1000; |
| std::vector<int> m_WidthList; |
| std::vector<int> m_VertMetrics; |
| FX_RECT m_CharBBox[256]; |
| }; |
| |
| #endif // CORE_FPDFAPI_FONT_CPDF_CIDFONT_H_ |