text: // Copyright 2014 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
  
  #include "../../../include/fpdfapi/fpdf_page.h"
  #include "../../../include/fpdfapi/fpdf_module.h"
  #include "../fpdf_page/pageint.h"
  #include <limits.h>
  CPDF_Document::CPDF_Document() : CPDF_IndirectObjects(NULL)
  {
      m_pRootDict = NULL;
      m_pInfoDict = NULL;
      m_bLinearized = FALSE;
      m_dwFirstPageNo = 0;
      m_dwFirstPageObjNum = 0;
      m_pDocPage = CPDF_ModuleMgr::Get()->GetPageModule()->CreateDocData(this);
      m_pDocRender = CPDF_ModuleMgr::Get()->GetRenderModule()->CreateDocData(this);
  }
  void CPDF_Document::CreateNewDoc()
  {
      ASSERT(m_pRootDict == NULL && m_pInfoDict == NULL);
      m_pRootDict = FX_NEW CPDF_Dictionary;
      m_pRootDict->SetAtName("Type", "Catalog");
      int objnum = AddIndirectObject(m_pRootDict);
      CPDF_Dictionary* pPages = FX_NEW CPDF_Dictionary;
      pPages->SetAtName("Type", "Pages");
      pPages->SetAtNumber("Count", 0);
      pPages->SetAt("Kids", FX_NEW CPDF_Array);
      objnum = AddIndirectObject(pPages);
      m_pRootDict->SetAtReference("Pages", this, objnum);
      m_pInfoDict = FX_NEW CPDF_Dictionary;
      AddIndirectObject(m_pInfoDict);
  }
  static const FX_WCHAR g_FX_CP874Unicodes[128] = {
      0x20AC, 0x0000, 0x0000, 0x0000, 0x0000, 0x2026, 0x0000, 0x0000,
      0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
      0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
      0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
      0x00A0, 0x0E01, 0x0E02, 0x0E03, 0x0E04, 0x0E05, 0x0E06, 0x0E07,
      0x0E08, 0x0E09, 0x0E0A, 0x0E0B, 0x0E0C, 0x0E0D, 0x0E0E, 0x0E0F,
      0x0E10, 0x0E11, 0x0E12, 0x0E13, 0x0E14, 0x0E15, 0x0E16, 0x0E17,
      0x0E18, 0x0E19, 0x0E1A, 0x0E1B, 0x0E1C, 0x0E1D, 0x0E1E, 0x0E1F,
      0x0E20, 0x0E21, 0x0E22, 0x0E23, 0x0E24, 0x0E25, 0x0E26, 0x0E27,
      0x0E28, 0x0E29, 0x0E2A, 0x0E2B, 0x0E2C, 0x0E2D, 0x0E2E, 0x0E2F,
      0x0E30, 0x0E31, 0x0E32, 0x0E33, 0x0E34, 0x0E35, 0x0E36, 0x0E37,
      0x0E38, 0x0E39, 0x0E3A, 0x0000, 0x0000, 0x0000, 0x0000, 0x0E3F,
      0x0E40, 0x0E41, 0x0E42, 0x0E43, 0x0E44, 0x0E45, 0x0E46, 0x0E47,
      0x0E48, 0x0E49, 0x0E4A, 0x0E4B, 0x0E4C, 0x0E4D, 0x0E4E, 0x0E4F,
      0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, 0x0E55, 0x0E56, 0x0E57,
      0x0E58, 0x0E59, 0x0E5A, 0x0E5B, 0x0000, 0x0000, 0x0000, 0x0000,
  };
  static const FX_WCHAR g_FX_CP1250Unicodes[128] = {
      0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021,
      0x0000, 0x2030, 0x0160, 0x2039, 0x015A, 0x0164, 0x017D, 0x0179,
      0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
      0x0000, 0x2122, 0x0161, 0x203A, 0x015B, 0x0165, 0x017E, 0x017A,
      0x00A0, 0x02C7, 0x02D8, 0x0141, 0x00A4, 0x0104, 0x00A6, 0x00A7,
      0x00A8, 0x00A9, 0x015E, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x017B,
      0x00B0, 0x00B1, 0x02DB, 0x0142, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
      0x00B8, 0x0105, 0x015F, 0x00BB, 0x013D, 0x02DD, 0x013E, 0x017C,
      0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7,
      0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E,
      0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7,
      0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF,
      0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7,
      0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F,
      0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7,
      0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9,
  };
  static const FX_WCHAR g_FX_CP1251Unicodes[128] = {
      0x0402, 0x0403, 0x201A, 0x0453, 0x201E, 0x2026, 0x2020, 0x2021,
      0x20AC, 0x2030, 0x0409, 0x2039, 0x040A, 0x040C, 0x040B, 0x040F,
      0x0452, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
      0x0000, 0x2122, 0x0459, 0x203A, 0x045A, 0x045C, 0x045B, 0x045F,
      0x00A0, 0x040E, 0x045E, 0x0408, 0x00A4, 0x0490, 0x00A6, 0x00A7,
      0x0401, 0x00A9, 0x0404, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x0407,
      0x00B0, 0x00B1, 0x0406, 0x0456, 0x0491, 0x00B5, 0x00B6, 0x00B7,
      0x0451, 0x2116, 0x0454, 0x00BB, 0x0458, 0x0405, 0x0455, 0x0457,
      0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
      0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
      0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
      0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
      0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
      0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
      0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
      0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
  };
  static const FX_WCHAR g_FX_CP1253Unicodes[128] = {
      0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
      0x0000, 0x2030, 0x0000, 0x2039, 0x0000, 0x0000, 0x0000, 0x0000,
      0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
      0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000,
      0x00A0, 0x0385, 0x0386, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
      0x00A8, 0x00A9, 0x0000, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x2015,
      0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x0384, 0x00B5, 0x00B6, 0x00B7,
      0x0388, 0x0389, 0x038A, 0x00BB, 0x038C, 0x00BD, 0x038E, 0x038F,
      0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397,
      0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F,
      0x03A0, 0x03A1, 0x0000, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7,
      0x03A8, 0x03A9, 0x03AA, 0x03AB, 0x03AC, 0x03AD, 0x03AE, 0x03AF,
      0x03B0, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7,
      0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF,
      0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7,
      0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, 0x03CE, 0x0000,
  };
  static const FX_WCHAR g_FX_CP1254Unicodes[128] = {
      0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
      0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x0000, 0x0000,
      0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
      0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x0000, 0x0178,
      0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
      0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
      0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
      0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
      0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
      0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
      0x011E, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
      0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x0130, 0x015E, 0x00DF,
      0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
      0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
      0x011F, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
      0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0131, 0x015F, 0x00FF,
  };
  static const FX_WCHAR g_FX_CP1255Unicodes[128] = {
      0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
      0x02C6, 0x2030, 0x0000, 0x2039, 0x0000, 0x0000, 0x0000, 0x0000,
      0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
      0x02DC, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000,
      0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x20AA, 0x00A5, 0x00A6, 0x00A7,
      0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
      0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
      0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
      0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7,
      0x05B8, 0x05B9, 0x0000, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF,
      0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3,
      0x05F4, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
      0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
      0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
      0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
      0x05E8, 0x05E9, 0x05EA, 0x0000, 0x0000, 0x200E, 0x200F, 0x0000,
  };
  static const FX_WCHAR g_FX_CP1256Unicodes[128] = {
      0x20AC, 0x067E, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
      0x02C6, 0x2030, 0x0679, 0x2039, 0x0152, 0x0686, 0x0698, 0x0688,
      0x06AF, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
      0x06A9, 0x2122, 0x0691, 0x203A, 0x0153, 0x200C, 0x200D, 0x06BA,
      0x00A0, 0x060C, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
      0x00A8, 0x00A9, 0x06BE, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
      0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
      0x00B8, 0x00B9, 0x061B, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x061F,
      0x06C1, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
      0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F,
      0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x00D7,
      0x0637, 0x0638, 0x0639, 0x063A, 0x0640, 0x0641, 0x0642, 0x0643,
      0x00E0, 0x0644, 0x00E2, 0x0645, 0x0646, 0x0647, 0x0648, 0x00E7,
      0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0649, 0x064A, 0x00EE, 0x00EF,
      0x064B, 0x064C, 0x064D, 0x064E, 0x00F4, 0x064F, 0x0650, 0x00F7,
      0x0651, 0x00F9, 0x0652, 0x00FB, 0x00FC, 0x200E, 0x200F, 0x06D2,
  };
  static const FX_WCHAR g_FX_CP1257Unicodes[128] = {
      0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021,
      0x0000, 0x2030, 0x0000, 0x2039, 0x0000, 0x00A8, 0x02C7, 0x00B8,
      0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
      0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x00AF, 0x02DB, 0x0000,
      0x00A0, 0x0000, 0x00A2, 0x00A3, 0x00A4, 0x0000, 0x00A6, 0x00A7,
      0x00D8, 0x00A9, 0x0156, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00C6,
      0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
      0x00F8, 0x00B9, 0x0157, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00E6,
      0x0104, 0x012E, 0x0100, 0x0106, 0x00C4, 0x00C5, 0x0118, 0x0112,
      0x010C, 0x00C9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012A, 0x013B,
      0x0160, 0x0143, 0x0145, 0x00D3, 0x014C, 0x00D5, 0x00D6, 0x00D7,
      0x0172, 0x0141, 0x015A, 0x016A, 0x00DC, 0x017B, 0x017D, 0x00DF,
      0x0105, 0x012F, 0x0101, 0x0107, 0x00E4, 0x00E5, 0x0119, 0x0113,
      0x010D, 0x00E9, 0x017A, 0x0117, 0x0123, 0x0137, 0x012B, 0x013C,
      0x0161, 0x0144, 0x0146, 0x00F3, 0x014D, 0x00F5, 0x00F6, 0x00F7,
      0x0173, 0x0142, 0x015B, 0x016B, 0x00FC, 0x017C, 0x017E, 0x02D9,
  };
  typedef struct {
      FX_BYTE		m_Charset;
      const FX_WCHAR*	m_pUnicodes;
  } FX_CharsetUnicodes;
  const FX_CharsetUnicodes g_FX_CharsetUnicodes[] = {
      { FXFONT_THAI_CHARSET, g_FX_CP874Unicodes },
      { FXFONT_EASTEUROPE_CHARSET, g_FX_CP1250Unicodes },
      { FXFONT_RUSSIAN_CHARSET, g_FX_CP1251Unicodes },
      { FXFONT_GREEK_CHARSET, g_FX_CP1253Unicodes },
      { FXFONT_TURKISH_CHARSET, g_FX_CP1254Unicodes },
      { FXFONT_HEBREW_CHARSET, g_FX_CP1255Unicodes },
      { FXFONT_ARABIC_CHARSET, g_FX_CP1256Unicodes },
      { FXFONT_BALTIC_CHARSET, g_FX_CP1257Unicodes },
  };
  #if (_FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || _FX_OS_ == _FX_WIN64_)
  static void _InsertWidthArray(HDC hDC, int start, int end, CPDF_Array* pWidthArray)
  {
      int size = end - start + 1;
      int* widths = FX_Alloc(int, size);
      GetCharWidth(hDC, start, end, widths);
      int i;
      for (i = 1; i < size; i ++)
          if (widths[i] != *widths) {
              break;
          }
      if (i == size) {
          int first = pWidthArray->GetInteger(pWidthArray->GetCount() - 1);
          pWidthArray->AddInteger(first + size - 1);
          pWidthArray->AddInteger(*widths);
      } else {
          CPDF_Array* pWidthArray1 = FX_NEW CPDF_Array;
          pWidthArray->Add(pWidthArray1);
          for (i = 0; i < size; i ++) {
              pWidthArray1->AddInteger(widths[i]);
          }
      }
      FX_Free(widths);
  }
  CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTW* pLogFont, FX_BOOL bVert, FX_BOOL bTranslateName)
  {
      LOGFONTA lfa;
      FXSYS_memcpy32(&lfa, pLogFont, (char*)lfa.lfFaceName - (char*)&lfa);
      CFX_ByteString face = CFX_ByteString::FromUnicode(pLogFont->lfFaceName);
      if (face.GetLength() >= LF_FACESIZE) {
          return NULL;
      }
      FXSYS_strcpy(lfa.lfFaceName, (FX_LPCSTR)face);
      return AddWindowsFont(&lfa, bVert, bTranslateName);
  }
  extern CFX_ByteString _FPDF_GetNameFromTT(FX_LPCBYTE name_table, FX_DWORD name);
  CFX_ByteString _FPDF_GetPSNameFromTT(HDC hDC)
  {
      CFX_ByteString result;
      DWORD size = ::GetFontData(hDC, 'eman', 0, NULL, 0);
      if (size != GDI_ERROR) {
          LPBYTE buffer = FX_Alloc(BYTE, size);
          ::GetFontData(hDC, 'eman', 0, buffer, size);
          result = _FPDF_GetNameFromTT(buffer, 6);
          FX_Free(buffer);
      }
      return result;
  }
  CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTA* pLogFont, FX_BOOL bVert, FX_BOOL bTranslateName)
  {
      pLogFont->lfHeight = -1000;
      pLogFont->lfWidth = 0;
      HGDIOBJ hFont = CreateFontIndirectA(pLogFont);
      HDC hDC = CreateCompatibleDC(NULL);
      hFont = SelectObject(hDC, hFont);
      int tm_size = GetOutlineTextMetrics(hDC, 0, NULL);
      if (tm_size == 0) {
          hFont = SelectObject(hDC, hFont);
          DeleteObject(hFont);
          DeleteDC(hDC);
          return NULL;
      }
      LPBYTE tm_buf = FX_Alloc(BYTE, tm_size);
      OUTLINETEXTMETRIC* ptm = (OUTLINETEXTMETRIC*)tm_buf;
      GetOutlineTextMetrics(hDC, tm_size, ptm);
      int flags = 0, italicangle, ascend, descend, capheight, bbox[4];
      if (pLogFont->lfItalic) {
          flags |= PDFFONT_ITALIC;
      }
      if ((pLogFont->lfPitchAndFamily & 3) == FIXED_PITCH) {
          flags |= PDFFONT_FIXEDPITCH;
      }
      if ((pLogFont->lfPitchAndFamily & 0xf8) == FF_ROMAN) {
          flags |= PDFFONT_SERIF;
      }
      if ((pLogFont->lfPitchAndFamily & 0xf8) == FF_SCRIPT) {
          flags |= PDFFONT_SCRIPT;
      }
      FX_BOOL bCJK = pLogFont->lfCharSet == CHINESEBIG5_CHARSET || pLogFont->lfCharSet == GB2312_CHARSET ||
                     pLogFont->lfCharSet == HANGEUL_CHARSET || pLogFont->lfCharSet == SHIFTJIS_CHARSET;
      CFX_ByteString basefont;
      if (bTranslateName && bCJK) {
          basefont = _FPDF_GetPSNameFromTT(hDC);
      }
      if (basefont.IsEmpty()) {
          basefont = pLogFont->lfFaceName;
      }
      italicangle = ptm->otmItalicAngle / 10;
      ascend = ptm->otmrcFontBox.top;
      descend = ptm->otmrcFontBox.bottom;
      capheight = ptm->otmsCapEmHeight;
      bbox[0] = ptm->otmrcFontBox.left;
      bbox[1] = ptm->otmrcFontBox.bottom;
      bbox[2] = ptm->otmrcFontBox.right;
      bbox[3] = ptm->otmrcFontBox.top;
      FX_Free(tm_buf);
      basefont.Replace(" ", "");
      CPDF_Dictionary* pBaseDict = FX_NEW CPDF_Dictionary;
      pBaseDict->SetAtName("Type", "Font");
      CPDF_Dictionary* pFontDict = pBaseDict;
      if (!bCJK) {
          if (pLogFont->lfCharSet == ANSI_CHARSET || pLogFont->lfCharSet == DEFAULT_CHARSET ||
                  pLogFont->lfCharSet == SYMBOL_CHARSET) {
              if (pLogFont->lfCharSet == SYMBOL_CHARSET) {
                  flags |= PDFFONT_SYMBOLIC;
              } else {
                  flags |= PDFFONT_NONSYMBOLIC;
              }
              pBaseDict->SetAtName(FX_BSTRC("Encoding"), "WinAnsiEncoding");
          } else {
              flags |= PDFFONT_NONSYMBOLIC;
              int i;
              for (i = 0; i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes); i ++)
                  if (g_FX_CharsetUnicodes[i].m_Charset == pLogFont->lfCharSet) {
                      break;
                  }
              if (i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes)) {
                  CPDF_Dictionary* pEncoding = FX_NEW CPDF_Dictionary;
                  pEncoding->SetAtName(FX_BSTRC("BaseEncoding"), "WinAnsiEncoding");
                  CPDF_Array* pArray = FX_NEW CPDF_Array;
                  pArray->AddInteger(128);
                  const FX_WCHAR* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes;
                  for (int j = 0; j < 128; j ++) {
                      CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]);
                      if (name.IsEmpty()) {
                          pArray->AddName(FX_BSTRC(".notdef"));
                      } else {
                          pArray->AddName(name);
                      }
                  }
                  pEncoding->SetAt(FX_BSTRC("Differences"), pArray);
                  AddIndirectObject(pEncoding);
                  pBaseDict->SetAtReference(FX_BSTRC("Encoding"), this, pEncoding);
              }
          }
          if (pLogFont->lfWeight > FW_MEDIUM && pLogFont->lfItalic) {
              basefont += ",BoldItalic";
          } else if (pLogFont->lfWeight > FW_MEDIUM) {
              basefont += ",Bold";
          } else if (pLogFont->lfItalic) {
              basefont += ",Italic";
          }
          pBaseDict->SetAtName("Subtype", "TrueType");
          pBaseDict->SetAtName("BaseFont", basefont);
          pBaseDict->SetAtNumber("FirstChar", 32);
          pBaseDict->SetAtNumber("LastChar", 255);
          int char_widths[224];
          GetCharWidth(hDC, 32, 255, char_widths);
          CPDF_Array* pWidths = FX_NEW CPDF_Array;
          for (int i = 0; i < 224; i ++) {
              pWidths->AddInteger(char_widths[i]);
          }
          pBaseDict->SetAt("Widths", pWidths);
      } else {
          flags |= PDFFONT_NONSYMBOLIC;
          pFontDict = FX_NEW CPDF_Dictionary;
          CFX_ByteString cmap;
          CFX_ByteString ordering;
          int supplement;
          CPDF_Array* pWidthArray = FX_NEW CPDF_Array;
          switch (pLogFont->lfCharSet) {
              case CHINESEBIG5_CHARSET:
                  cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H";
                  ordering = "CNS1";
                  supplement = 4;
                  pWidthArray->AddInteger(1);
                  _InsertWidthArray(hDC, 0x20, 0x7e, pWidthArray);
                  break;
              case GB2312_CHARSET:
                  cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H";
                  ordering = "GB1", supplement = 2;
                  pWidthArray->AddInteger(7716);
                  _InsertWidthArray(hDC, 0x20, 0x20, pWidthArray);
                  pWidthArray->AddInteger(814);
                  _InsertWidthArray(hDC, 0x21, 0x7e, pWidthArray);
                  break;
              case HANGEUL_CHARSET:
                  cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H";
                  ordering = "Korea1";
                  supplement = 2;
                  pWidthArray->AddInteger(1);
                  _InsertWidthArray(hDC, 0x20, 0x7e, pWidthArray);
                  break;
              case SHIFTJIS_CHARSET:
                  cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H";
                  ordering = "Japan1";
                  supplement = 5;
                  pWidthArray->AddInteger(231);
                  _InsertWidthArray(hDC, 0x20, 0x7d, pWidthArray);
                  pWidthArray->AddInteger(326);
                  _InsertWidthArray(hDC, 0xa0, 0xa0, pWidthArray);
                  pWidthArray->AddInteger(327);
                  _InsertWidthArray(hDC, 0xa1, 0xdf, pWidthArray);
                  pWidthArray->AddInteger(631);
                  _InsertWidthArray(hDC, 0x7e, 0x7e, pWidthArray);
                  break;
          }
          pBaseDict->SetAtName("Subtype", "Type0");
          pBaseDict->SetAtName("BaseFont", basefont);
          pBaseDict->SetAtName("Encoding", cmap);
          pFontDict->SetAt("W", pWidthArray);
          pFontDict->SetAtName("Type", "Font");
          pFontDict->SetAtName("Subtype", "CIDFontType2");
          pFontDict->SetAtName("BaseFont", basefont);
          CPDF_Dictionary* pCIDSysInfo = FX_NEW CPDF_Dictionary;
          pCIDSysInfo->SetAtString("Registry", "Adobe");
          pCIDSysInfo->SetAtString("Ordering", ordering);
          pCIDSysInfo->SetAtInteger("Supplement", supplement);
          pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
          CPDF_Array* pArray = FX_NEW CPDF_Array;
          pBaseDict->SetAt("DescendantFonts", pArray);
          AddIndirectObject(pFontDict);
          pArray->AddReference(this, pFontDict);
      }
      AddIndirectObject(pBaseDict);
      CPDF_Dictionary* pFontDesc = FX_NEW CPDF_Dictionary;
      pFontDesc->SetAtName("Type", "FontDescriptor");
      pFontDesc->SetAtName("FontName", basefont);
      pFontDesc->SetAtInteger("Flags", flags);
      CPDF_Array* pBBox = FX_NEW CPDF_Array;
      for (int i = 0; i < 4; i ++) {
          pBBox->AddInteger(bbox[i]);
      }
      pFontDesc->SetAt("FontBBox", pBBox);
      pFontDesc->SetAtInteger("ItalicAngle", italicangle);
      pFontDesc->SetAtInteger("Ascent", ascend);
      pFontDesc->SetAtInteger("Descent", descend);
      pFontDesc->SetAtInteger("CapHeight", capheight);
      pFontDesc->SetAtInteger("StemV", pLogFont->lfWeight / 5);
      AddIndirectObject(pFontDesc);
      pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
      hFont = SelectObject(hDC, hFont);
      DeleteObject(hFont);
      DeleteDC(hDC);
      return LoadFont(pBaseDict);
  }
  #endif
  #if (_FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_)
  FX_UINT32 FX_GetLangHashCode( FX_LPCSTR pStr)
  {
      FXSYS_assert( pStr != NULL);
      FX_INT32 iLength = FXSYS_strlen(pStr);
      FX_LPCSTR pStrEnd = pStr + iLength;
      FX_UINT32 uHashCode = 0;
      while ( pStr < pStrEnd) {
          uHashCode = 31 * uHashCode + tolower(*pStr++);
      }
      return uHashCode;
  }
  struct FX_LANG2CS {
      FX_DWORD    uLang;
      int         uCharset;
  }*FX_LPLANG2CS;
  static const FX_LANG2CS gs_FXLang2CharsetTable[] = {
      {3109, 0},
      {3121, 178},
      {3129, 162},
      {3139, 204},
      {3141, 204},
      {3166, 0},
      {3184, 238},
      {3197, 0},
      {3201, 0},
      {3239, 161},
      {3241, 0},
      {3246, 0},
      {3247, 186},
      {3248, 0},
      {3259, 178},
      {3267, 0},
      {3273, 0},
      {3276, 0},
      {3301, 0},
      {3310, 1},
      {3325, 177},
      {3329, 1},
      {3338, 238},
      {3341, 238},
      {3345, 1},
      {3355, 0},
      {3370, 0},
      {3371, 0},
      {3383, 128},
      {3424, 204},
      {3427, 1},
      {3428, 129},
      {3436, 178},
      {3464, 186},
      {3466, 186},
      {3486, 204},
      {3487, 0},
      {3493, 1},
      {3494, 0},
      {3508, 0},
      {3518, 0},
      {3520, 0},
      {3569, 1},
      {3580, 238},
      {3588, 0},
      {3645, 238},
      {3651, 204},
      {3672, 238},
      {3673, 238},
      {3678, 238},
      {3679, 238},
      {3683, 0},
      {3684, 0},
      {3693, 1},
      {3697, 1},
      {3700, 222},
      {3710, 162},
      {3734, 204},
      {3741, 178},
      {3749, 162},
      {3763, 163},
      {3886, 134},
      {105943, 0},
      {106375, 1},
      {3923451837, 134},
      {3923451838, 136},
  };
  static FX_WORD FX_GetCsFromLangCode(FX_UINT32 uCode)
  {
      FX_INT32 iStart = 0;
      FX_INT32 iEnd = sizeof(gs_FXLang2CharsetTable) / sizeof(FX_LANG2CS) - 1;
      while (iStart <= iEnd) {
          FX_INT32 iMid = (iStart + iEnd) / 2;
          const FX_LANG2CS &charset = gs_FXLang2CharsetTable[iMid];
          if (uCode == charset.uLang) {
              return charset.uCharset;
          } else if (uCode < charset.uLang) {
              iEnd = iMid - 1;
          } else {
              iStart = iMid + 1;
          }
      };
      return 0;
  }
  static FX_WORD FX_GetCharsetFromLang(FX_LPCSTR pLang, FX_INT32 iLength)
  {
      FXSYS_assert(pLang);
      if (iLength < 0) {
          iLength = FXSYS_strlen(pLang);
      }
      FX_UINT32 uHash = FX_GetLangHashCode(pLang);
      return FX_GetCsFromLangCode(uHash);
  }
  static void _CFString2CFXByteString(CFStringRef src, CFX_ByteString &dest)
  {
      SInt32 len =  CFStringGetLength(src);
      CFRange range = CFRangeMake(0, len);
      CFIndex used = 0;
      UInt8* pBuffer = (UInt8*)calloc(len+1, sizeof(UInt8));
      CFStringGetBytes(src, range, kCFStringEncodingASCII, 0, false, pBuffer, len, &used);
      dest = (FX_LPSTR)pBuffer;
      free(pBuffer);
  }
  FX_BOOL IsHasCharSet(CFArrayRef languages, const CFX_DWordArray &charSets)
  {
      int iCount = charSets.GetSize();
      for (int i = 0; i < CFArrayGetCount(languages); ++i) {
          CFStringRef language = (CFStringRef)CFArrayGetValueAtIndex(languages, i);
          FX_DWORD CharSet = FX_GetCharsetFromLang(CFStringGetCStringPtr(language, kCFStringEncodingMacRoman), -1);
          for (int j = 0; j < iCount; ++j) {
              if (CharSet == charSets[j]) {
                  return TRUE;
              }
          }
      }
      return FALSE;
  }
  void FX_GetCharWidth(CTFontRef font, UniChar start, UniChar end, int* width)
  {
      CGFloat size = CTFontGetSize(font);
      for (; start <= end; ++start) {
          CGGlyph pGlyph = 0;
          CFIndex count = 1;
          CTFontGetGlyphsForCharacters(font, &start, &pGlyph, count);
          CGSize advances;
          CTFontGetAdvancesForGlyphs(font, kCTFontDefaultOrientation, &pGlyph, &advances, 1);
          *width = (int)(advances.width / size * 1000) ;
          width++;
      }
  }
  static void _InsertWidthArray(CTFontRef font, int start, int end, CPDF_Array* pWidthArray)
  {
      int size = end - start + 1;
      int* widths = FX_Alloc(int, size);
      FX_GetCharWidth(font, start, end, widths);
      int i;
      for (i = 1; i < size; i ++)
          if (widths[i] != *widths) {
              break;
          }
      if (i == size) {
          int first = pWidthArray->GetInteger(pWidthArray->GetCount() - 1);
          pWidthArray->AddInteger(first + size - 1);
          pWidthArray->AddInteger(*widths);
      } else {
          CPDF_Array* pWidthArray1 = FX_NEW CPDF_Array;
          pWidthArray->Add(pWidthArray1);
          for (i = 0; i < size; i ++) {
              pWidthArray1->AddInteger(widths[i]);
          }
      }
      FX_Free(widths);
  }
  CPDF_Font* CPDF_Document::AddMacFont(CTFontRef pFont, FX_BOOL bVert, FX_BOOL bTranslateName)
  {
      CTFontRef font = (CTFontRef)pFont;
      CTFontDescriptorRef descriptor = CTFontCopyFontDescriptor(font);
      if (descriptor == NULL) {
          return NULL;
      }
      CFX_ByteString basefont;
      FX_BOOL bCJK = FALSE;
      int flags = 0, italicangle = 0, ascend = 0, descend = 0, capheight = 0, bbox[4];
      FXSYS_memset32(bbox, 0, sizeof(int) * 4);
      CFArrayRef languages = (CFArrayRef)CTFontDescriptorCopyAttribute(descriptor, kCTFontLanguagesAttribute);
      if (languages == NULL) {
          CFRelease(descriptor);
          return NULL;
      }
      CFX_DWordArray charSets;
      charSets.Add(FXFONT_CHINESEBIG5_CHARSET);
      charSets.Add(FXFONT_GB2312_CHARSET);
      charSets.Add(FXFONT_HANGEUL_CHARSET);
      charSets.Add(FXFONT_SHIFTJIS_CHARSET);
      if (IsHasCharSet(languages, charSets)) {
          bCJK = TRUE;
      }
      CFRelease(descriptor);
      CFDictionaryRef traits = (CFDictionaryRef)CTFontCopyTraits(font);
      if (traits == NULL) {
          CFRelease(languages);
          return NULL;
      }
      CFNumberRef sybolicTrait = (CFNumberRef)CFDictionaryGetValue(traits, kCTFontSymbolicTrait);
      CTFontSymbolicTraits trait = 0;
      CFNumberGetValue(sybolicTrait, kCFNumberSInt32Type, &trait);
      if (trait & kCTFontItalicTrait) {
          flags |= PDFFONT_ITALIC;
      }
      if (trait & kCTFontMonoSpaceTrait) {
          flags |= PDFFONT_FIXEDPITCH;
      }
      if (trait & kCTFontModernSerifsClass) {
          flags |= PDFFONT_SERIF;
      }
      if (trait & kCTFontScriptsClass) {
          flags |= PDFFONT_SCRIPT;
      }
      CFNumberRef weightTrait = (CFNumberRef)CFDictionaryGetValue(traits, kCTFontWeightTrait);
      Float32 weight = 0;
      CFNumberGetValue(weightTrait, kCFNumberFloat32Type, &weight);
      italicangle = CTFontGetSlantAngle(font);
      ascend      = CTFontGetAscent(font);
      descend     = CTFontGetDescent(font);
      capheight   = CTFontGetCapHeight(font);
      CGRect box  = CTFontGetBoundingBox(font);
      bbox[0]     = box.origin.x;
      bbox[1]     = box.origin.y;
      bbox[2]     = box.origin.x + box.size.width;
      bbox[3]     = box.origin.y + box.size.height;
      if (bTranslateName && bCJK) {
          CFStringRef postName = CTFontCopyPostScriptName(font);
          _CFString2CFXByteString(postName, basefont);
          CFRelease(postName);
      }
      if (basefont.IsEmpty()) {
          CFStringRef fullName = CTFontCopyFullName(font);
          _CFString2CFXByteString(fullName, basefont);
          CFRelease(fullName);
      }
      basefont.Replace(" ", "");
      CPDF_Dictionary* pFontDict = NULL;
      CPDF_Dictionary* pBaseDict = FX_NEW CPDF_Dictionary;
      pFontDict = pBaseDict;
      if (!bCJK) {
          charSets.RemoveAll();
          charSets.Add(FXFONT_ANSI_CHARSET);
          charSets.Add(FXFONT_DEFAULT_CHARSET);
          charSets.Add(FXFONT_SYMBOL_CHARSET);
          if (IsHasCharSet(languages, charSets)) {
              charSets.RemoveAll();
              charSets.Add(FXFONT_SYMBOL_CHARSET);
              if (IsHasCharSet(languages, charSets)) {
                  flags |= PDFFONT_SYMBOLIC;
              } else {
                  flags |= PDFFONT_NONSYMBOLIC;
              }
              pBaseDict->SetAtName(FX_BSTRC("Encoding"), "WinAnsiEncoding");
          } else {
              flags |= PDFFONT_NONSYMBOLIC;
              int i;
              for (i = 0; i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes); i ++) {
                  charSets.RemoveAll();
                  charSets.Add(g_FX_CharsetUnicodes[i].m_Charset);
                  if (IsHasCharSet(languages, charSets)) {
                      break;
                  }
              }
              if (i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes)) {
                  CPDF_Dictionary* pEncoding = FX_NEW CPDF_Dictionary;
                  pEncoding->SetAtName(FX_BSTRC("BaseEncoding"), "WinAnsiEncoding");
                  CPDF_Array* pArray = FX_NEW CPDF_Array;
                  pArray->AddInteger(128);
                  const FX_WCHAR* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes;
                  for (int j = 0; j < 128; j ++) {
                      CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]);
                      if (name.IsEmpty()) {
                          pArray->AddName(FX_BSTRC(".notdef"));
                      } else {
                          pArray->AddName(name);
                      }
                  }
                  pEncoding->SetAt(FX_BSTRC("Differences"), pArray);
                  AddIndirectObject(pEncoding);
                  pBaseDict->SetAtReference(FX_BSTRC("Encoding"), this, pEncoding);
              }
          }
          if (weight > 0.0 && trait & kCTFontItalicTrait) {
              basefont += ",BoldItalic";
          } else if (weight > 0.0) {
              basefont += ",Bold";
          } else if (trait & kCTFontItalicTrait) {
              basefont += ",Italic";
          }
          pBaseDict->SetAtName("Subtype", "TrueType");
          pBaseDict->SetAtName("BaseFont", basefont);
          pBaseDict->SetAtNumber("FirstChar", 32);
          pBaseDict->SetAtNumber("LastChar", 255);
          int char_widths[224];
          FX_GetCharWidth(font, 32, 255, char_widths);
          CPDF_Array* pWidths = FX_NEW CPDF_Array;
          for (int i = 0; i < 224; i ++) {
              pWidths->AddInteger(char_widths[i]);
          }
          pBaseDict->SetAt("Widths", pWidths);
      }  else {
          flags |= PDFFONT_NONSYMBOLIC;
          CPDF_Array* pArray = NULL;
          pFontDict = FX_NEW CPDF_Dictionary;
          CFX_ByteString cmap;
          CFX_ByteString ordering;
          int supplement;
          FX_BOOL bFound = FALSE;
          CPDF_Array* pWidthArray = FX_NEW CPDF_Array;
          charSets.RemoveAll();
          charSets.Add(FXFONT_CHINESEBIG5_CHARSET);
          if (IsHasCharSet(languages, charSets)) {
              cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H";
              ordering = "CNS1";
              supplement = 4;
              pWidthArray->AddInteger(1);
              _InsertWidthArray(font, 0x20, 0x7e, pWidthArray);
              bFound = TRUE;
          }
          charSets.RemoveAll();
          charSets.Add(FXFONT_GB2312_CHARSET);
          if (!bFound && IsHasCharSet(languages, charSets)) {
              cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H";
              ordering = "GB1", supplement = 2;
              pWidthArray->AddInteger(7716);
              _InsertWidthArray(font, 0x20, 0x20, pWidthArray);
              pWidthArray->AddInteger(814);
              _InsertWidthArray(font, 0x21, 0x7e, pWidthArray);
              bFound = TRUE;
          }
          charSets.RemoveAll();
          charSets.Add(FXFONT_HANGEUL_CHARSET);
          if (!bFound && IsHasCharSet(languages, charSets)) {
              cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H";
              ordering = "Korea1";
              supplement = 2;
              pWidthArray->AddInteger(1);
              _InsertWidthArray(font, 0x20, 0x7e, pWidthArray);
              bFound = TRUE;
          }
          charSets.RemoveAll();
          charSets.Add(FXFONT_SHIFTJIS_CHARSET);
          if (!bFound && IsHasCharSet(languages, charSets)) {
              cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H";
              ordering = "Japan1";
              supplement = 5;
              pWidthArray->AddInteger(231);
              _InsertWidthArray(font, 0x20, 0x7d, pWidthArray);
              pWidthArray->AddInteger(326);
              _InsertWidthArray(font, 0xa0, 0xa0, pWidthArray);
              pWidthArray->AddInteger(327);
              _InsertWidthArray(font, 0xa1, 0xdf, pWidthArray);
              pWidthArray->AddInteger(631);
              _InsertWidthArray(font, 0x7e, 0x7e, pWidthArray);
          }
          pBaseDict->SetAtName("Subtype", "Type0");
          pBaseDict->SetAtName("BaseFont", basefont);
          pBaseDict->SetAtName("Encoding", cmap);
          pFontDict->SetAt("W", pWidthArray);
          pFontDict->SetAtName("Type", "Font");
          pFontDict->SetAtName("Subtype", "CIDFontType2");
          pFontDict->SetAtName("BaseFont", basefont);
          CPDF_Dictionary* pCIDSysInfo = FX_NEW CPDF_Dictionary;
          pCIDSysInfo->SetAtString("Registry", "Adobe");
          pCIDSysInfo->SetAtString("Ordering", ordering);
          pCIDSysInfo->SetAtInteger("Supplement", supplement);
          pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
          pArray = FX_NEW CPDF_Array;
          pBaseDict->SetAt("DescendantFonts", pArray);
          AddIndirectObject(pFontDict);
          pArray->AddReference(this, pFontDict);
      }
      AddIndirectObject(pBaseDict);
      CPDF_Dictionary* pFontDesc = FX_NEW CPDF_Dictionary;
      pFontDesc->SetAtName("Type", "FontDescriptor");
      pFontDesc->SetAtName("FontName", basefont);
      pFontDesc->SetAtInteger("Flags", flags);
      CPDF_Array* pBBox = FX_NEW CPDF_Array;
      for (int i = 0; i < 4; i ++) {
          pBBox->AddInteger(bbox[i]);
      }
      pFontDesc->SetAt("FontBBox", pBBox);
      pFontDesc->SetAtInteger("ItalicAngle", italicangle);
      pFontDesc->SetAtInteger("Ascent", ascend);
      pFontDesc->SetAtInteger("Descent", descend);
      pFontDesc->SetAtInteger("CapHeight", capheight);
      CGFloat fStemV = 0;
      int16_t min_width = SHRT_MAX;
      static const UniChar stem_chars[] = {'i', 'I', '!', '1'};
      const size_t count = sizeof(stem_chars) / sizeof(stem_chars[0]);
      CGGlyph glyphs[count];
      CGRect boundingRects[count];
      if (CTFontGetGlyphsForCharacters(font, stem_chars, glyphs, count)) {
          CTFontGetBoundingRectsForGlyphs(font, kCTFontHorizontalOrientation,
                                          glyphs, boundingRects, count);
          for (size_t i = 0; i < count; i++) {
              int16_t width = boundingRects[i].size.width;
              if (width > 0 && width < min_width) {
                  min_width = width;
                  fStemV = min_width;
              }
          }
      }
      pFontDesc->SetAtInteger("StemV", fStemV);
      AddIndirectObject(pFontDesc);
      pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
      CFRelease(traits);
      CFRelease(languages);
      return LoadFont(pBaseDict);
  }
  #endif
  static void _InsertWidthArray1(CFX_Font* pFont, IFX_FontEncoding* pEncoding, FX_WCHAR start, FX_WCHAR end, CPDF_Array* pWidthArray)
  {
      int size = end - start + 1;
      int* widths = FX_Alloc(int, size);
      int i;
      for (i = 0; i < size; i ++) {
          int glyph_index = pEncoding->GlyphFromCharCode(start + i);
          widths[i] = pFont->GetGlyphWidth(glyph_index);
      }
      for (i = 1; i < size; i ++)
          if (widths[i] != *widths) {
              break;
          }
      if (i == size) {
          int first = pWidthArray->GetInteger(pWidthArray->GetCount() - 1);
          pWidthArray->AddInteger(first + size - 1);
          pWidthArray->AddInteger(*widths);
      } else {
          CPDF_Array* pWidthArray1 = FX_NEW CPDF_Array;
          pWidthArray->Add(pWidthArray1);
          for (i = 0; i < size; i ++) {
              pWidthArray1->AddInteger(widths[i]);
          }
      }
      FX_Free(widths);
  }
  CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert)
  {
      if (pFont == NULL) {
          return NULL;
      }
      FX_BOOL bCJK = charset == FXFONT_CHINESEBIG5_CHARSET || charset == FXFONT_GB2312_CHARSET ||
                     charset == FXFONT_HANGEUL_CHARSET || charset == FXFONT_SHIFTJIS_CHARSET;
      CFX_ByteString basefont = pFont->GetFamilyName();
      basefont.Replace(" ", "");
      int flags = 0;
      if (pFont->IsBold()) {
          flags |= PDFFONT_FORCEBOLD;
      }
      if (pFont->IsItalic()) {
          flags |= PDFFONT_ITALIC;
      }
      if (pFont->IsFixedWidth()) {
          flags |= PDFFONT_FIXEDPITCH;
      }
      CPDF_Dictionary* pBaseDict = FX_NEW CPDF_Dictionary;
      pBaseDict->SetAtName("Type", "Font");
      IFX_FontEncoding* pEncoding = FXGE_CreateUnicodeEncoding(pFont);
      CPDF_Dictionary* pFontDict = pBaseDict;
      if (!bCJK) {
          CPDF_Array* pWidths = FX_NEW CPDF_Array;
          int charcode;
          for (charcode = 32; charcode < 128; charcode ++) {
              int glyph_index = pEncoding->GlyphFromCharCode(charcode);
              int char_width = pFont->GetGlyphWidth(glyph_index);
              pWidths->AddInteger(char_width);
          }
          if (charset == FXFONT_ANSI_CHARSET || charset == FXFONT_DEFAULT_CHARSET ||
                  charset == FXFONT_SYMBOL_CHARSET) {
              if (charset == FXFONT_SYMBOL_CHARSET) {
                  flags |= PDFFONT_SYMBOLIC;
              } else {
                  flags |= PDFFONT_NONSYMBOLIC;
              }
              pBaseDict->SetAtName(FX_BSTRC("Encoding"), "WinAnsiEncoding");
              for (charcode = 128; charcode <= 255; charcode ++) {
                  int glyph_index = pEncoding->GlyphFromCharCode(charcode);
                  int char_width = pFont->GetGlyphWidth(glyph_index);
                  pWidths->AddInteger(char_width);
              }
          } else {
              flags |= PDFFONT_NONSYMBOLIC;
              int i;
              for (i = 0; i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes); i ++)
                  if (g_FX_CharsetUnicodes[i].m_Charset == charset) {
                      break;
                  }
              if (i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes)) {
                  CPDF_Dictionary* pEncodingDict = FX_NEW CPDF_Dictionary;
                  pEncodingDict->SetAtName(FX_BSTRC("BaseEncoding"), "WinAnsiEncoding");
                  CPDF_Array* pArray = FX_NEW CPDF_Array;
                  pArray->AddInteger(128);
                  const FX_WCHAR* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes;
                  for (int j = 0; j < 128; j ++) {
                      CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]);
                      if (name.IsEmpty()) {
                          pArray->AddName(FX_BSTRC(".notdef"));
                      } else {
                          pArray->AddName(name);
                      }
                      int glyph_index = pEncoding->GlyphFromCharCode(pUnicodes[j]);
                      int char_width = pFont->GetGlyphWidth(glyph_index);
                      pWidths->AddInteger(char_width);
                  }
                  pEncodingDict->SetAt(FX_BSTRC("Differences"), pArray);
                  AddIndirectObject(pEncodingDict);
                  pBaseDict->SetAtReference(FX_BSTRC("Encoding"), this, pEncodingDict);
              }
          }
          if (pFont->IsBold() && pFont->IsItalic()) {
              basefont += ",BoldItalic";
          } else if (pFont->IsBold()) {
              basefont += ",Bold";
          } else if (pFont->IsItalic()) {
              basefont += ",Italic";
          }
          pBaseDict->SetAtName("Subtype", "TrueType");
          pBaseDict->SetAtName("BaseFont", basefont);
          pBaseDict->SetAtNumber("FirstChar", 32);
          pBaseDict->SetAtNumber("LastChar", 255);
          pBaseDict->SetAt("Widths", pWidths);
      } else {
          flags |= PDFFONT_NONSYMBOLIC;
          pFontDict = FX_NEW CPDF_Dictionary;
          CFX_ByteString cmap;
          CFX_ByteString ordering;
          int supplement;
          CPDF_Array* pWidthArray = FX_NEW CPDF_Array;
          switch (charset) {
              case FXFONT_CHINESEBIG5_CHARSET:
                  cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H";
                  ordering = "CNS1";
                  supplement = 4;
                  pWidthArray->AddInteger(1);
                  _InsertWidthArray1(pFont, pEncoding, 0x20, 0x7e, pWidthArray);
                  break;
              case FXFONT_GB2312_CHARSET:
                  cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H";
                  ordering = "GB1", supplement = 2;
                  pWidthArray->AddInteger(7716);
                  _InsertWidthArray1(pFont, pEncoding, 0x20, 0x20, pWidthArray);
                  pWidthArray->AddInteger(814);
                  _InsertWidthArray1(pFont, pEncoding, 0x21, 0x7e, pWidthArray);
                  break;
              case FXFONT_HANGEUL_CHARSET:
                  cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H";
                  ordering = "Korea1";
                  supplement = 2;
                  pWidthArray->AddInteger(1);
                  _InsertWidthArray1(pFont, pEncoding, 0x20, 0x7e, pWidthArray);
                  break;
              case FXFONT_SHIFTJIS_CHARSET:
                  cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H";
                  ordering = "Japan1";
                  supplement = 5;
                  pWidthArray->AddInteger(231);
                  _InsertWidthArray1(pFont, pEncoding, 0x20, 0x7d, pWidthArray);
                  pWidthArray->AddInteger(326);
                  _InsertWidthArray1(pFont, pEncoding, 0xa0, 0xa0, pWidthArray);
                  pWidthArray->AddInteger(327);
                  _InsertWidthArray1(pFont, pEncoding, 0xa1, 0xdf, pWidthArray);
                  pWidthArray->AddInteger(631);
                  _InsertWidthArray1(pFont, pEncoding, 0x7e, 0x7e, pWidthArray);
                  break;
          }
          pBaseDict->SetAtName("Subtype", "Type0");
          pBaseDict->SetAtName("BaseFont", basefont);
          pBaseDict->SetAtName("Encoding", cmap);
          pFontDict->SetAt("W", pWidthArray);
          pFontDict->SetAtName("Type", "Font");
          pFontDict->SetAtName("Subtype", "CIDFontType2");
          pFontDict->SetAtName("BaseFont", basefont);
          CPDF_Dictionary* pCIDSysInfo = FX_NEW CPDF_Dictionary;
          pCIDSysInfo->SetAtString("Registry", "Adobe");
          pCIDSysInfo->SetAtString("Ordering", ordering);
          pCIDSysInfo->SetAtInteger("Supplement", supplement);
          pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
          CPDF_Array* pArray = FX_NEW CPDF_Array;
          pBaseDict->SetAt("DescendantFonts", pArray);
          AddIndirectObject(pFontDict);
          pArray->AddReference(this, pFontDict);
      }
      AddIndirectObject(pBaseDict);
      CPDF_Dictionary* pFontDesc = FX_NEW CPDF_Dictionary;
      pFontDesc->SetAtName("Type", "FontDescriptor");
      pFontDesc->SetAtName("FontName", basefont);
      pFontDesc->SetAtInteger("Flags", flags);
      pFontDesc->SetAtInteger("ItalicAngle", pFont->m_pSubstFont ? pFont->m_pSubstFont->m_ItalicAngle : 0);
      pFontDesc->SetAtInteger("Ascent", pFont->GetAscent());
      pFontDesc->SetAtInteger("Descent", pFont->GetDescent());
      FX_RECT bbox;
      pFont->GetBBox(bbox);
      CPDF_Array* pBBox = FX_NEW CPDF_Array;
      pBBox->AddInteger(bbox.left);
      pBBox->AddInteger(bbox.bottom);
      pBBox->AddInteger(bbox.right);
      pBBox->AddInteger(bbox.top);
      pFontDesc->SetAt("FontBBox", pBBox);
      FX_INT32 nStemV = 0;
      if (pFont->m_pSubstFont) {
          nStemV = pFont->m_pSubstFont->m_Weight / 5;
      } else {
          static const FX_CHAR stem_chars[] = {'i', 'I', '!', '1'};
          const size_t count = sizeof(stem_chars) / sizeof(stem_chars[0]);
          FX_DWORD glyph = pEncoding->GlyphFromCharCode(stem_chars[0]);
          nStemV = pFont->GetGlyphWidth(glyph);
          for (size_t i = 1; i < count; i++) {
              glyph = pEncoding->GlyphFromCharCode(stem_chars[i]);
              int width = pFont->GetGlyphWidth(glyph);
              if (width > 0 && width < nStemV) {
                  nStemV = width;
              }
          }
      }
      if (pEncoding) {
          delete pEncoding;
      }
      pFontDesc->SetAtInteger("StemV", nStemV);
      AddIndirectObject(pFontDesc);
      pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
      return LoadFont(pBaseDict);
  }
  static CPDF_Stream* GetFormStream(CPDF_Document* pDoc, CPDF_Object* pResObj)
  {
      if (pResObj->GetType() != PDFOBJ_REFERENCE) {
          return NULL;
      }
      CPDF_Reference* pRef = (CPDF_Reference*)pResObj;
      FX_BOOL bForm;
      if (pDoc->IsFormStream(pRef->GetRefObjNum(), bForm) && !bForm) {
          return NULL;
      }
      pResObj = pRef->GetDirect();
      if (pResObj->GetType() != PDFOBJ_STREAM) {
          return NULL;
      }
      CPDF_Stream* pXObject = (CPDF_Stream*)pResObj;
      if (pXObject->GetDict()->GetString(FX_BSTRC("Subtype")) != FX_BSTRC("Form")) {
          return NULL;
      }
      return pXObject;
  }
  static int InsertDeletePDFPage(CPDF_Document* pDoc, CPDF_Dictionary* pPages,
                                 int nPagesToGo, CPDF_Dictionary* pPage, FX_BOOL bInsert, CFX_PtrArray& stackList)
  {
      CPDF_Array* pKidList = pPages->GetArray("Kids");
      if (!pKidList) {
          return -1;
      }
      int nKids = pKidList->GetCount();
      for (int i = 0; i < nKids; i ++) {
          CPDF_Dictionary* pKid = pKidList->GetDict(i);
          if (pKid->GetString("Type") == FX_BSTRC("Page")) {
              if (nPagesToGo == 0) {
                  if (bInsert) {
                      pKidList->InsertAt(i, CPDF_Reference::Create(pDoc, pPage->GetObjNum()));
                      pPage->SetAtReference("Parent", pDoc, pPages->GetObjNum());
                  } else {
                      pKidList->RemoveAt(i);
                  }
                  pPages->SetAtInteger("Count", pPages->GetInteger("Count") + (bInsert ? 1 : -1));
                  return 1;
              }
              nPagesToGo --;
          } else {
              int nPages = pKid->GetInteger("Count");
              if (nPagesToGo < nPages) {
                  int stackCount = stackList.GetSize();
                  for (int j = 0; j < stackCount; ++j) {
                      if (pKid == stackList[j]) {
                          return -1;
                      }
                  }
                  stackList.Add(pKid);
                  if (InsertDeletePDFPage(pDoc, pKid, nPagesToGo, pPage, bInsert, stackList) < 0) {
                      return -1;
                  }
                  stackList.RemoveAt(stackCount);
                  pPages->SetAtInteger("Count", pPages->GetInteger("Count") + (bInsert ? 1 : -1));
                  return 1;
              }
              nPagesToGo -= nPages;
          }
      }
      return 0;
  }
  static int InsertNewPage(CPDF_Document* pDoc, int iPage, CPDF_Dictionary* pPageDict, CFX_DWordArray &pageList)
  {
      CPDF_Dictionary* pRoot = pDoc->GetRoot();
      if (!pRoot) {
          return -1;
      }
      CPDF_Dictionary* pPages = pRoot->GetDict(FX_BSTRC("Pages"));
      if (!pPages) {
          return -1;
      }
      int nPages = pDoc->GetPageCount();
      if (iPage < 0 || iPage > nPages) {
          return -1;
      }
      if (iPage == nPages) {
          CPDF_Array* pPagesList = pPages->GetArray(FX_BSTRC("Kids"));
          if (!pPagesList) {
              pPagesList = FX_NEW CPDF_Array;
              pPages->SetAt(FX_BSTRC("Kids"), pPagesList);
          }
          pPagesList->Add(pPageDict, pDoc);
          pPages->SetAtInteger(FX_BSTRC("Count"), nPages + 1);
          pPageDict->SetAtReference(FX_BSTRC("Parent"), pDoc, pPages->GetObjNum());
      } else {
          CFX_PtrArray stack;
          stack.Add(pPages);
          if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, TRUE, stack) < 0) {
              return -1;
          }
      }
      pageList.InsertAt(iPage, pPageDict->GetObjNum());
      return iPage;
  }
  CPDF_Dictionary* CPDF_Document::CreateNewPage(int iPage)
  {
      CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary;
      pDict->SetAtName("Type", "Page");
      FX_DWORD dwObjNum = AddIndirectObject(pDict);
      if (InsertNewPage(this, iPage, pDict, m_PageList) < 0) {
          ReleaseIndirectObject(dwObjNum);
          return NULL;
      }
      return pDict;
  }
  int _PDF_GetStandardFontName(CFX_ByteString& name);
  CPDF_Font* CPDF_Document::AddStandardFont(FX_LPCSTR font, CPDF_FontEncoding* pEncoding)
  {
      CFX_ByteString name(font, -1);
      if (_PDF_GetStandardFontName(name) < 0) {
          return NULL;
      }
      return GetPageData()->GetStandardFont(name, pEncoding);
  }
  void CPDF_Document::DeletePage(int iPage)
  {
      CPDF_Dictionary* pRoot = GetRoot();
      if (pRoot == NULL) {
          return;
      }
      CPDF_Dictionary* pPages = pRoot->GetDict("Pages");
      if (pPages == NULL) {
          return;
      }
      int nPages = pPages->GetInteger("Count");
      if (iPage < 0 || iPage >= nPages) {
          return;
      }
      CFX_PtrArray stack;
      stack.Add(pPages);
      if (InsertDeletePDFPage(this, pPages, iPage, NULL, FALSE, stack) < 0) {
          return;
      }
      m_PageList.RemoveAt(iPage);
  }
  CPDF_Object* FPDFAPI_GetPageAttr(CPDF_Dictionary* pPageDict, FX_BSTR name);
  void FPDFAPI_FlatPageAttr(CPDF_Dictionary* pPageDict, FX_BSTR name)
  {
      if (pPageDict->KeyExist(name)) {
          return;
      }
      CPDF_Object* pObj = FPDFAPI_GetPageAttr(pPageDict, name);
      if (pObj) {
          pPageDict->SetAt(name, pObj->Clone());
      }
  }
  