include/vcl/pngwrite.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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_PNGWRITE_HXX
  21 #define INCLUDED_VCL_PNGWRITE_HXX
  22
  23 #include <vcl/dllapi.h>
  24 #include <memory>
  25 #include <vector>
  26
  27 namespace com::sun::star::beans { struct PropertyValue; }
  28 namespace com::sun::star::uno { template <typename > class Sequence; }
  29
  30 class BitmapEx;
  31 class SvStream;
  32
  33 namespace vcl
  34 {
  35     class PNGWriterImpl;
  36
  37     class VCL_DLLPUBLIC PNGWriter
  38     {
  39         const std::unique_ptr<PNGWriterImpl> mpImpl;
  40
  41     public:
  42
  43         explicit PNGWriter(const BitmapEx&, const css::uno::Sequence<css::beans::PropertyValue>* pFilterData = nullptr);
  44         ~PNGWriter();
  45
  46         bool Write(SvStream& rStream);
  47
  48         // additional method to be able to modify all chunk before they are stored
  49         struct ChunkData
  50         {
  51             sal_uInt32                  nType;
  52             std::vector<sal_uInt8>    aData;
  53         };
  54         std::vector<vcl::PNGWriter::ChunkData>& GetChunks();
  55     };
  56 }
  57
  58 #endif // INCLUDED_VCL_PNGWRITE_HXX
  59
  60 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */