// Copyright 2016 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_CPDF_CIDFONT_H_
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#define CORE_FPDFAPI_FPDF_FONT_CPDF_CIDFONT_H_
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#include <memory>
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#include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
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#include "core/fxcrt/include/fx_string.h"
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#include "core/fxcrt/include/fx_system.h"
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enum CIDSet {
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CIDSET_UNKNOWN,
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CIDSET_GB1,
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CIDSET_CNS1,
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CIDSET_JAPAN1,
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CIDSET_KOREA1,
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CIDSET_UNICODE,
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CIDSET_NUM_SETS
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};
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class CFX_CTTGSUBTable;
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class CPDF_Array;
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class CPDF_CID2UnicodeMap;
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class CPDF_CMap;
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class CPDF_StreamAcc;
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class CPDF_CIDFont : public CPDF_Font {
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public:
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CPDF_CIDFont();
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~CPDF_CIDFont() override;
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static FX_FLOAT CIDTransformToFloat(uint8_t ch);
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// CPDF_Font:
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bool IsCIDFont() const override;
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const CPDF_CIDFont* AsCIDFont() const override;
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CPDF_CIDFont* AsCIDFont() override;
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int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) override;
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int GetCharWidthF(uint32_t charcode, int level = 0) override;
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FX_RECT GetCharBBox(uint32_t charcode, int level = 0) override;
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uint32_t GetNextChar(const FX_CHAR* pString,
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int nStrLen,
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int& offset) const override;
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int CountChar(const FX_CHAR* pString, int size) const override;
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int AppendChar(FX_CHAR* str, uint32_t charcode) const override;
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int GetCharSize(uint32_t charcode) const override;
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FX_BOOL IsVertWriting() const override;
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FX_BOOL IsUnicodeCompatible() const override;
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FX_BOOL Load() override;
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CFX_WideString UnicodeFromCharCode(uint32_t charcode) const override;
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uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const override;
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uint16_t CIDFromCharCode(uint32_t charcode) const;
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const uint8_t* GetCIDTransform(uint16_t CID) const;
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short GetVertWidth(uint16_t CID) const;
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void GetVertOrigin(uint16_t CID, short& vx, short& vy) const;
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protected:
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void LoadGB2312();
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int GetGlyphIndex(uint32_t unicodeb, bool* pVertGlyph);
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int GetVerticalGlyph(int index, bool* pVertGlyph);
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void LoadMetricsArray(CPDF_Array* pArray,
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CFX_ArrayTemplate<uint32_t>& result,
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int nElements);
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void LoadSubstFont();
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FX_WCHAR GetUnicodeFromCharCode(uint32_t charcode) const;
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CPDF_CMap* m_pCMap;
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std::unique_ptr<CPDF_CMap> m_pAllocatedCMap;
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CPDF_CID2UnicodeMap* m_pCID2UnicodeMap;
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CIDSet m_Charset;
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FX_BOOL m_bType1;
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FX_BOOL m_bCIDIsGID;
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uint16_t m_DefaultWidth;
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std::unique_ptr<CPDF_StreamAcc> m_pStreamAcc;
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bool m_bAnsiWidthsFixed;
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FX_SMALL_RECT m_CharBBox[256];
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CFX_ArrayTemplate<uint32_t> m_WidthList;
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short m_DefaultVY;
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short m_DefaultW1;
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CFX_ArrayTemplate<uint32_t> m_VertMetrics;
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FX_BOOL m_bAdobeCourierStd;
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std::unique_ptr<CFX_CTTGSUBTable> m_pTTGSUBTable;
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};
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#endif // CORE_FPDFAPI_FPDF_FONT_CPDF_CIDFONT_H_
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