emfio/inc/wmfreader.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.
   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_EMFIO_INC_WMFREADER_HXX
  21 #define INCLUDED_EMFIO_INC_WMFREADER_HXX
  22
  23 #include "mtftools.hxx"
  24 #include <tools/stream.hxx>
  25
  26 // predefines
  27 struct WmfExternal;
  28
  29 namespace emfio
  30 {
  31     class WmfReader : public MtfTools
  32     {
  33     private:
  34         sal_uInt16      mnUnitsPerInch;
  35         sal_uInt32      mnRecSize;
  36
  37         // embedded EMF data
  38         std::unique_ptr<SvMemoryStream> mpEMFStream;
  39
  40         // total number of comment records containing EMF data
  41         sal_uInt32      mnEMFRecCount;
  42
  43         // number of EMF records read
  44         sal_uInt32      mnEMFRec;
  45
  46         // total size of embedded EMF data
  47         sal_uInt32      mnEMFSize;
  48
  49         sal_uInt32      mnSkipActions;
  50
  51         // eventually handed over external header
  52         const WmfExternal* mpExternalHeader;
  53
  54         // reads header of the WMF-Datei
  55         bool            ReadHeader();
  56
  57         // reads parameters of the record with the functionnumber nFunction.
  58         void            ReadRecordParams(sal_uInt16 nFunction);
  59
  60         Point           ReadPoint();                // reads and converts a point (first X then Y)
  61         Point           ReadYX();                   // reads and converts a point (first Y then X)
  62         tools::Rectangle       ReadRectangle();            // reads and converts a rectangle
  63         Size            ReadYXExt();
  64         void            GetPlaceableBound(tools::Rectangle& rSize, SvStream* pStrm);
  65
  66     public:
  67         WmfReader(SvStream& rStreamWMF, GDIMetaFile& rGDIMetaFile, const WmfExternal* pExternalHeader);
  68
  69         // read WMF file from stream and fill the GDIMetaFile
  70         void ReadWMF();
  71     };
  72 }
  73
  74 #endif
  75
  76 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */