core/fpdfdoc/cpvt_fontmap.h

// 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_FPDFDOC_CPVT_FONTMAP_H_
#define CORE_FPDFDOC_CPVT_FONTMAP_H_

#include <stdint.h>

#include "core/fpdfdoc/include/ipvt_fontmap.h"
#include "core/fxcrt/include/fx_string.h"

class CPDF_Document;
class CPDF_Dictionary;
class CPDF_Font;

class CPVT_FontMap : public IPVT_FontMap {
 public:
  CPVT_FontMap(CPDF_Document* pDoc,
               CPDF_Dictionary* pResDict,
               CPDF_Font* pDefFont,
               const CFX_ByteString& sDefFontAlias);
  ~CPVT_FontMap() override;

  // IPVT_FontMap:
  CPDF_Font* GetPDFFont(int32_t nFontIndex) override;
  CFX_ByteString GetPDFFontAlias(int32_t nFontIndex) override;
  int32_t GetWordFontIndex(uint16_t word,
                           int32_t charset,
                           int32_t nFontIndex) override;
  int32_t CharCodeFromUnicode(int32_t nFontIndex, uint16_t word) override;
  int32_t CharSetFromUnicode(uint16_t word, int32_t nOldCharset) override;

  static void GetAnnotSysPDFFont(CPDF_Document* pDoc,
                                 const CPDF_Dictionary* pResDict,
                                 CPDF_Font*& pSysFont,
                                 CFX_ByteString& sSysFontAlias);

 private:
  CPDF_Document* const m_pDocument;
  const CPDF_Dictionary* const m_pResDict;
  CPDF_Font* const m_pDefFont;
  const CFX_ByteString m_sDefFontAlias;
  CPDF_Font* m_pSysFont;
  CFX_ByteString m_sSysFontAlias;
};

#endif  // CORE_FPDFDOC_CPVT_FONTMAP_H_