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