PdfSharp.Fonts.OpenType.CMap4.Read C# (CSharp) Méthode

    internal void Read()
    {
      try
      {
        // m_EncodingID = encID;
        this.format = this.fontData.ReadUShort();
        Debug.Assert(this.format == 4, "Only format 4 expected.");
        this.length = this.fontData.ReadUShort();
        this.language = this.fontData.ReadUShort();  // Always null in Windows
        this.segCountX2 = this.fontData.ReadUShort();
        this.searchRange = this.fontData.ReadUShort();
        this.entrySelector = this.fontData.ReadUShort();
        this.rangeShift = this.fontData.ReadUShort();

        int segCount = this.segCountX2 / 2;
        this.glyphCount = (this.length - (16 + 8 * segCount)) / 2;

        //ASSERT_CONDITION(0 <= m_NumGlyphIds && m_NumGlyphIds < m_Length, "Invalid Index");

        this.endCount = new ushort[segCount];
        this.startCount = new ushort[segCount];
        this.idDelta = new short[segCount];
        this.idRangeOffs = new ushort[segCount];

        this.glyphIdArray = new ushort[this.glyphCount];

        for (int idx = 0; idx < segCount; idx++)
          this.endCount[idx] = this.fontData.ReadUShort();

        //ASSERT_CONDITION(m_EndCount[segs - 1] == 0xFFFF, "Out of Index");

        // Read reserved pad.
        this.fontData.ReadUShort();

        for (int idx = 0; idx < segCount; idx++)
          this.startCount[idx] = this.fontData.ReadUShort();

        for (int idx = 0; idx < segCount; idx++)
          this.idDelta[idx] = this.fontData.ReadShort();

        for (int idx = 0; idx < segCount; idx++)
          this.idRangeOffs[idx] = this.fontData.ReadUShort();

        for (int idx = 0; idx < this.glyphCount; idx++)
          this.glyphIdArray[idx] = this.fontData.ReadUShort();
      }
      catch (Exception ex)
      {
        throw new PdfSharpException(PSSR.ErrorReadingFontData, ex);
      }
    }
  }