C++ ON_BinaryArchive::EndRead3dmChunk方法代码示例

ON_BOOL32 ON_DetailView::Read(ON_BinaryArchive& archive)
{
  m_page_per_model_ratio = 0.0;
  m_view.Default();
  m_boundary.Destroy();

  int major_version = 0;
  int minor_version = 0;
  bool rc = archive.BeginRead3dmChunk( TCODE_ANONYMOUS_CHUNK, &major_version, &minor_version );
  if (!rc)
    return false;

  for(;;)
  {
    rc = (1 == major_version );
    if (!rc) break;

    // m_view is wrapped in a subchunk so ON_3dmView can be expanded 
    // without breaking the file format.
    int mj = 0, mn = 0;
    rc = archive.BeginRead3dmChunk( TCODE_ANONYMOUS_CHUNK, &mj, &mn );
    if (rc) 
    {
      rc = m_view.Read(archive);
      if (!archive.EndRead3dmChunk())
        rc = false;
    }
    if (!rc) break;


    // m_boundary is wrapped in a subchunk so ON_NurbsCurve can be expanded 
    // without breaking the file format.
    mj = mn = 0;
    rc = archive.BeginRead3dmChunk( TCODE_ANONYMOUS_CHUNK, &mj, &mn );
    if (rc) 
    {
      rc = m_boundary.Read(archive)?true:false;
      if (!archive.EndRead3dmChunk())
        rc = false;
    }
    if (!rc) break;

    if ( minor_version >= 1 )
    {
      rc = archive.ReadDouble(&m_page_per_model_ratio);
    }


    break;
  }

  if ( !archive.EndRead3dmChunk() )
    rc = false;

  return rc;
}

// virtual ON_Object override
ON_BOOL32 ON__IDefAlternativePathUserData::Read(ON_BinaryArchive& binary_archive)
{
  DestroyHelper();

  int major_version = 0;
  int minor_version = 0;
  bool rc = binary_archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
  if ( !rc )
    return false;

  rc = false;
  while ( 1 == major_version )
  {
    if ( !binary_archive.ReadString(m_alternate_path) )
      break;
    if ( !binary_archive.ReadBool(&m_bRelativePath) )
      break;
    rc = true;
    break;
  }

  if ( !binary_archive.EndRead3dmChunk() )
    rc = false;

  return rc;
}

ON_BOOL32 ON_BrepLoopArray::Read( ON_BinaryArchive& file )
{
  Empty();
  ON__UINT32 tcode = 0;
  ON__INT64 length_TCODE_ANONYMOUS_CHUNK = 0;
  int count = 0;
  int i;
  int major_version = 0;
  int minor_version = 0;
  bool rc = file.BeginRead3dmBigChunk( &tcode, &length_TCODE_ANONYMOUS_CHUNK );
  if (rc) {
    if (tcode != TCODE_ANONYMOUS_CHUNK)
      rc = false;
    if (rc) rc = file.Read3dmChunkVersion(&major_version,&minor_version);
    if (rc) {
      if ( major_version==1 ) {
        if (rc) rc = file.ReadInt(&count);
        SetCapacity(count);
        for ( i = 0; i < count && rc ; i++ ) {
          ON_BrepLoop& loop = AppendNew();
          rc = loop.Read(file) ? true : false;
        }    
      }
      else {
        rc = 0;
      }
    }
    if ( !file.EndRead3dmChunk() )
      rc = false;
  }
  return rc;
}

BOOL ON_BrepLoopArray::Read( ON_BinaryArchive& file )
{
  Empty();
  unsigned int tcode = 0;
  int count = 0;
  int i;
  int major_version = 0;
  int minor_version = 0;
  BOOL rc = file.BeginRead3dmChunk( &tcode, &i );
  if (rc) {
    if (tcode != TCODE_ANONYMOUS_CHUNK)
      rc = false;
    if (rc) rc = file.Read3dmChunkVersion(&major_version,&minor_version);
    if (rc) {
      if ( major_version==1 ) {
        if (rc) rc = file.ReadInt(&count);
        SetCapacity(count);
        for ( i = 0; i < count && rc ; i++ ) {
          ON_BrepLoop& loop = AppendNew();
          rc = loop.Read(file);
        }
      }
      else {
        rc = 0;
      }
    }
    if ( !file.EndRead3dmChunk() )
      rc = false;
  }
  return rc;
}

bool ON_ClippingPlaneInfo::Read( ON_BinaryArchive& file )
{
  Default();

  int major_version = 0;
  int minor_version = 0;
  bool rc = file.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
  if (!rc)
    return false;
  
  for(;;)
  {
    rc = (1 == major_version);
    if (!rc) break;

    rc = file.ReadPlaneEquation(m_plane_equation);
    if (!rc) break;

    rc = file.ReadUuid(m_plane_id);
    if (!rc) break;

    rc = file.ReadBool(&m_bEnabled);
    if (!rc) break;

    break;
  }

  if ( !file.EndRead3dmChunk() )
    rc = false;

  return rc;
}

bool ON_BrepRegionTopology::Read( ON_BinaryArchive& file )
{
    int i;
    int major_version = 0;
    int minor_version = 0;
    bool rc = file.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
    if ( !rc )
        return false;
    for(;;)
    {
        rc = (1 == major_version);
        if (!rc) break;

        rc = m_FS.Read(file);
        for ( i = 0; i < m_FS.Count(); i++ )
            m_FS[i].m_rtop = this;
        if (!rc) break;

        rc = m_R.Read(file);
        for ( i = 0; i < m_R.Count(); i++ )
            m_R[i].m_rtop = this;
        if (!rc) break;

        break;
    }
    if ( !file.EndRead3dmChunk() )
        rc = false;
    return rc;
}

bool ON_UserString::Read(ON_BinaryArchive& archive)
{
  m_key.Empty();
  m_string_value.Empty();

  int major_version = 0;
  int minor_version = 0;
  bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
  if (!rc)
    return false;

  for(;;)
  {
    rc = ( 1 == major_version );
    if (!rc) break;
    rc = archive.ReadString(m_key);
    if (!rc) break;
    rc = archive.ReadString(m_string_value);
    if (!rc) break;

    break;
  }

  if ( !archive.EndRead3dmChunk() )
    rc = false;

  return rc;
}

ON_BOOL32 ON_MeshNgonUserData::Read(ON_BinaryArchive& archive)
{
  if ( 0 != m_ngon_list )
  {
    delete m_ngon_list;
    m_ngon_list = 0;
  }
  int major_version = 0;
  int minor_version = 0;
  bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
  if (!rc)
    return false;
  for (;;)
  {
    rc = (1 == major_version);
    if (!rc)
      break;
    int count = 0;
    rc = archive.ReadInt(&count);
    if (count <= 0 || !rc)
      break;

    m_ngon_list = new ON_MeshNgonList();
    if ( 0 == m_ngon_list )
      break;

    m_ngon_list->ReserveNgonCapacity(count);

    for ( int i = 0; i < count; i++ )
    {
      int N = 0;
      rc = archive.ReadInt(&N);
      if (!rc)
        break;
      if ( N <= 0 )
        continue;
      struct ON_MeshNgon* ngon = m_ngon_list->AddNgon(N);
      if ( 0 == ngon )
        break;

      rc = archive.ReadInt(N,ngon->vi);
      if (!rc)
        break;
      rc = archive.ReadInt(N,ngon->fi);
      if (!rc)
        break;
      ngon->N = N;
    }
    if (!rc)
      break;

    break;
  }
  if ( !archive.EndRead3dmChunk() )
    rc = false;
  return rc;
}

bool ON_CompressedBuffer::Read( ON_BinaryArchive& binary_archive )
{
  int major_version = 0;
  int minor_version = 0;
  bool rc = binary_archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
  if ( !rc )
    return false;

  for(;;)
  {
    rc = ( 1 == major_version );
    if ( !rc ) 
      break;
    rc = binary_archive.ReadSize(&m_sizeof_uncompressed);
    if (!rc)
      break;
    rc = binary_archive.ReadSize(&m_sizeof_compressed);
    if (!rc)
      break;
    rc = binary_archive.ReadInt(&m_crc_uncompressed);
    if (!rc)
      break;
    rc = binary_archive.ReadInt(&m_crc_compressed);
    if (!rc)
      break;
    rc = binary_archive.ReadInt(&m_method);
    if (!rc)
      break;
    rc = binary_archive.ReadInt(&m_sizeof_element);
    if (!rc)
      break;
    if ( m_sizeof_compressed > 0 )
    {
      m_buffer_compressed = onmalloc(m_sizeof_compressed);
      if ( m_buffer_compressed )
      {
        m_buffer_compressed_capacity = m_sizeof_compressed;
        rc = binary_archive.ReadByte(m_sizeof_compressed,m_buffer_compressed);
      }
      else
      {
        m_sizeof_compressed =0;
      }
      if (!rc)
        break;
    }

    break;
  }

  if ( !binary_archive.EndRead3dmChunk() )
    rc = false;

  return rc;
}

BOOL CSampleObjectUserData::Read( ON_BinaryArchive& binary_archive )
{
  int major_version = 0;
  int minor_version = 0;
  bool rc = binary_archive.BeginRead3dmChunk( TCODE_ANONYMOUS_CHUNK, &major_version, &minor_version );
  if( !rc )
    return false;

  // Read class members like this
  for(;;)
  {
    rc = ( 1 == major_version );
    if( !rc ) break;

    // version 1.0 fields
    rc = binary_archive.ReadPoint( m_point );
    if( !rc ) break;

    rc = binary_archive.ReadString( m_string );
    if( !rc ) break;


    // The code in the comment below demonstrates how to
    // correctly read information added in later releases
    // of your product.
    //if ( minor_version >= 1 )
    //{
    //  // version 1.1 fields added DD MMM YYYY
    //  rc = binary_archive.ReadSomethingNew( ... );
    //  if (!rc) break;
    //  rc = binary_archive.ReadSomethingElseNew( ... );
    //  if (!rc) break;
    //  
    //  if ( minor_version >= 2 )
    //  {
    //    // version 1.2 fields added DD MMM YYYY
    //    rc = binary_archive.ReadAnotherSomethingNew( ... );
    //    if (!rc) break;
    //    rc = binary_archive.ReadAnotherSomethingElseNew( ... );
    //    if (!rc) break;
    //  }
    //}

    break;
  }

  // If BeginRead3dmChunk() returns true,
  // then EndRead3dmChunk() must be called, 
  // even if a read operation failed.
  if( !binary_archive.EndRead3dmChunk() )
    rc = false;

  return rc;
}

bool ON_PlugInRef::Read( ON_BinaryArchive& file )
{
  Default();

  int major_version = 0;
  int minor_version = 0;

  bool rc = file.BeginRead3dmChunk(
                  TCODE_ANONYMOUS_CHUNK,
                  &major_version,
                  &minor_version);

  if (rc)
  {
    if( 1 == major_version && minor_version >= 0 )
    {
      //version 1.0 fields
      if (rc) rc = file.ReadUuid(m_plugin_id);
      if (rc) rc = file.ReadInt(&m_plugin_type);
      if (rc) rc = file.ReadString(m_plugin_name);
      if (rc) rc = file.ReadString(m_plugin_version);
      if (rc) rc = file.ReadString(m_plugin_filename);

      if ( minor_version >= 1)
      {
        // version 1.1 fields
        if (rc) rc = file.ReadString(m_developer_organization);
        if (rc) rc = file.ReadString(m_developer_address);
        if (rc) rc = file.ReadString(m_developer_country);
        if (rc) rc = file.ReadString(m_developer_phone);
        if (rc) rc = file.ReadString(m_developer_email);
        if (rc) rc = file.ReadString(m_developer_website);
        if (rc) rc = file.ReadString(m_developer_updateurl);
        if (rc) rc = file.ReadString(m_developer_fax);

        if ( minor_version >= 2 )
        {
          if (rc) rc = file.ReadInt(&m_plugin_platform);
          if (rc) rc = file.ReadInt(&m_plugin_sdk_version);
          if (rc) rc = file.ReadInt(&m_plugin_sdk_service_release);
        }
      }
    }
    else
    {
      rc = false;
    }

    if( !file.EndRead3dmChunk() )
      rc = false;
  }
  return rc;
}

ON_BOOL32 ON_PolyEdgeSegment::Read( ON_BinaryArchive& archive )
{
  Init();
  int major_version = 0;
  int minor_version = 0;
  bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
  if (!rc)
    return false;
  for(;;)
  {
    rc = (1 == major_version);
    if ( !rc )
      break;

    rc = archive.ReadUuid(m_object_id);
    if (!rc) break;
    rc = archive.ReadComponentIndex(m_component_index);
    if (!rc) break;
    rc = archive.ReadInterval(m_edge_domain);
    if (!rc) break;
    rc = archive.ReadInterval(m_trim_domain);
    if (!rc) break;

    // Read ON_ProxyCurve values we need
    bool bReversed = false;
    rc = archive.ReadBool(&bReversed);
    if (!rc) break;
    ON_Interval this_domain;
    rc = archive.ReadInterval(this_domain);
    if (!rc) break;
    ON_Interval real_curve_domain;
    rc = archive.ReadInterval(real_curve_domain);
    if (!rc) break;

    if ( bReversed)
      ON_CurveProxy::Reverse();
    ON_CurveProxy::SetDomain(this_domain);
    ON_CurveProxy::SetProxyCurveDomain(real_curve_domain);

    break;
  }
  if ( !archive.EndRead3dmChunk() )
    rc = false;
  return rc;
}

ON_BOOL32 ON_HatchExtra::Read(ON_BinaryArchive& archive)
{
  int major_version = 0;
  int minor_version = 0;
  bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);

  if(major_version != 1)
      rc = false;

  m_basepoint.Set(0.0,0.0);
  if(rc) rc = archive.ReadUuid(m_parent_hatch);
  if(rc) rc = archive.ReadPoint(m_basepoint);

  if(!archive.EndRead3dmChunk())
    rc = false;

  return rc;
}

bool ON_BezierCageMorph::Read(ON_BinaryArchive& archive)
{
  int major_version = 0;
  int minor_version = 0;
  bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
  if ( rc )
  {
    if ( major_version != 1 )
      rc = false;
    if (rc)
      rc = archive.ReadXform(m_xyz2rst);
    if(rc)
      rc = m_rst2xyz.Read(archive);
    if ( !archive.EndRead3dmChunk() )
      rc = false;
  }
  return rc;
}

ON_BOOL32 ON_SurfaceArray::Read( ON_BinaryArchive& file )
{
  int major_version = 0;
  int minor_version = 0;
  ON__UINT32 tcode = 0;
  ON__INT64 big_value = 0;
  int flag;
  Destroy();
  ON_BOOL32 rc = file.BeginRead3dmBigChunk( &tcode, &big_value );
  if (rc) 
  {
    rc = ( tcode == TCODE_ANONYMOUS_CHUNK );
    if (rc) rc = file.Read3dmChunkVersion(&major_version,&minor_version);
    if (rc && major_version == 1) {
      ON_Object* p;
      int count;
      ON_BOOL32 rc = file.ReadInt( &count );
      if (rc) {
        SetCapacity(count);
        SetCount(count);
        Zero();
        int i;
        for ( i = 0; rc && i < count && rc; i++ ) {
          flag = 0;
          rc = file.ReadInt(&flag);
          if (rc && flag==1) {
            p = 0;
            rc = file.ReadObject( &p ); // polymorphic surfaces
            m_a[i] = ON_Surface::Cast(p);
            if ( !m_a[i] )
              delete p;
          }
        }
      }
    }
    else {
      rc = false;
    }
    if ( !file.EndRead3dmChunk() )
      rc = false;
  }
  return rc;
}