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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 INCLUDED_VCL_PNGREAD_HXX
      21             : #define INCLUDED_VCL_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             :         explicit 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       79492 :         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( bool b );
      59             :     };
      60             : }
      61             : 
      62             : #endif // INCLUDED_VCL_PNGREAD_HXX
      63             : 
      64             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */