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       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * This file is part of the LibreOffice project.
       4                 :            :  *
       5                 :            :  * This Source Code Form is subject to the terms of the Mozilla Public
       6                 :            :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7                 :            :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8                 :            :  *
       9                 :            :  * This file incorporates work covered by the following license notice:
      10                 :            :  *
      11                 :            :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12                 :            :  *   contributor license agreements. See the NOTICE file distributed
      13                 :            :  *   with this work for additional information regarding copyright
      14                 :            :  *   ownership. The ASF licenses this file to you under the Apache
      15                 :            :  *   License, Version 2.0 (the "License"); you may not use this file
      16                 :            :  *   except in compliance with the License. You may obtain a copy of
      17                 :            :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18                 :            :  */
      19                 :            : 
      20                 :            : #ifndef _SV_PNGREAD_HXX
      21                 :            : #define _SV_PNGREAD_HXX
      22                 :            : 
      23                 :            : #include <vcl/dllapi.h>
      24                 :            : #include <vcl/bitmapex.hxx>
      25                 :            : #include <vector>
      26                 :            : 
      27                 :            : // -------------
      28                 :            : // - PNGReader -
      29                 :            : // -------------
      30                 :            : 
      31                 :            : namespace vcl
      32                 :            : {
      33                 :            :     class PNGReaderImpl;
      34                 :            : 
      35                 :            :     class VCL_DLLPUBLIC PNGReader
      36                 :            :     {
      37                 :            :         PNGReaderImpl*          mpImpl;
      38                 :            : 
      39                 :            :     public:
      40                 :            : 
      41                 :            :         /* the PNG chunks are read within the c'tor, so the stream will
      42                 :            :         be positioned at the end of the PNG */
      43                 :            :         PNGReader( SvStream& rStm );
      44                 :            :         ~PNGReader();
      45                 :            : 
      46                 :            :         /* an empty preview size hint (=default) will read the whole image
      47                 :            :         */
      48                 :            :         BitmapEx                        Read( const Size& i_rPreviewHint = Size() );
      49                 :            : 
      50                 :            :         // retrieve every chunk that resides inside the PNG
      51                 :     149588 :         struct ChunkData
      52                 :            :         {
      53                 :            :             sal_uInt32                  nType;
      54                 :            :             std::vector< sal_uInt8 >    aData;
      55                 :            :         };
      56                 :            :         const std::vector< ChunkData >& GetChunks() const;
      57                 :            : 
      58                 :            :         void SetIgnoreGammaChunk( sal_Bool b );
      59                 :            :     };
      60                 :            : }
      61                 :            : 
      62                 :            : #endif // _SV_PNGREAD_HXX
      63                 :            : 
      64                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */