vcl/source/filter/jpeg/jpeg.h

   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 #pragma once
  21
  22 #include <sal/config.h>
  23
  24 #include <com/sun/star/uno/Reference.hxx>
  25 #include <basegfx/vector/b2dsize.hxx>
  26 #include <vcl/BitmapWriteAccess.hxx>
  27
  28 #include <jpeglib.h>
  29
  30 namespace com::sun::star::task {
  31     class XStatusIndicator;
  32 }
  33 class JPEGReader;
  34 class JPEGWriter;
  35 class Size;
  36 class SvStream;
  37 enum class GraphicFilterImportFlags;
  38
  39 void jpeg_svstream_src (j_decompress_ptr cinfo, void* infile);
  40
  41 void jpeg_svstream_dest (j_compress_ptr cinfo, void* outfile);
  42
  43 bool    WriteJPEG( JPEGWriter* pJPEGWriter, void* pOutputStream,
  44                    tools::Long nWidth, tools::Long nHeight, basegfx::B2DSize const &  aPPI, bool bGreyScale,
  45                    tools::Long nQualityPercent, tools::Long aChromaSubsampling,
  46                    css::uno::Reference<css::task::XStatusIndicator> const & status);
  47
  48 void    ReadJPEG( JPEGReader* pJPEGReader, void* pInputStream,
  49                   GraphicFilterImportFlags nImportFlags,
  50                   BitmapScopedWriteAccess* ppAccess );
  51
  52 void    Transform(void* pInputStream, void* pOutputStream, Degree10 nAngle);
  53
  54 /* Expanded data source object for stdio input */
  55
  56 struct SourceManagerStruct {
  57     jpeg_source_mgr pub;                /* public fields */
  58     SvStream*   stream;                 /* source stream */
  59     JOCTET*     buffer;                 /* start of buffer */
  60     boolean     start_of_file;          /* have we gotten any data yet? */
  61     int         no_data_available_failures;
  62 };
  63
  64 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */