include/oox/export/vmlexport.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 _OOX_EXPORT_VMLEXPORT_HXX_
  21 #define _OOX_EXPORT_VMLEXPORT_HXX_
  22
  23 #include <oox/dllapi.h>
  24 #include <oox/export/drawingml.hxx>
  25 #include <sax/fshelper.hxx>
  26 #include <filter/msfilter/escherex.hxx>
  27 #include <editeng/outlobj.hxx>
  28
  29
  30 namespace oox {
  31
  32 namespace vml {
  33
  34 /// Interface to be implemented by the parent exporter that knows how to handle shape text.
  35 class OOX_DLLPUBLIC VMLTextExport
  36 {
  37 public:
  38     virtual void WriteOutliner(const OutlinerParaObject& rParaObj) = 0;
  39     virtual oox::drawingml::DrawingML& GetDrawingML() = 0;
  40 protected:
  41     VMLTextExport() {}
  42     virtual ~VMLTextExport() {}
  43 };
  44
  45 class OOX_DLLPUBLIC VMLExport : public EscherEx
  46 {
  47     /// Fast serializer to output the data
  48     ::sax_fastparser::FSHelperPtr m_pSerializer;
  49
  50     /// Parent exporter, used for text callback.
  51     VMLTextExport* m_pTextExport;
  52
  53     /// The object we're exporting.
  54     const SdrObject* m_pSdrObject;
  55
  56     /// Fill the shape attributes as they come.
  57     ::sax_fastparser::FastAttributeList *m_pShapeAttrList;
  58
  59     /// Remember the shape type.
  60     sal_uInt32 m_nShapeType;
  61
  62     /// Remember the shape flags.
  63     sal_uInt32 m_nShapeFlags;
  64
  65     /// Remember style, the most important shape attribute ;-)
  66     OStringBuffer *m_pShapeStyle;
  67
  68     /// Remember which shape types we had already written.
  69     bool *m_pShapeTypeWritten;
  70
  71 public:
  72                         VMLExport( ::sax_fastparser::FSHelperPtr pSerializer, VMLTextExport* pTextExport = 0 );
  73     virtual             ~VMLExport();
  74
  75     ::sax_fastparser::FSHelperPtr
  76                         GetFS() { return m_pSerializer; }
  77
  78     /// Export the sdr object as VML.
  79     ///
  80     /// Call this when you need to export the object as VML.
  81     sal_uInt32 AddSdrObject( const SdrObject& rObj );
  82
  83 protected:
  84     /// Add an attribute to the generated <v:shape/> element.
  85     ///
  86     /// This should be called from within StartShape() to ensure that the
  87     /// added attribute is preserved.
  88     void                AddShapeAttribute( sal_Int32 nAttribute, const OString& sValue );
  89
  90     using EscherEx::StartShape;
  91     using EscherEx::EndShape;
  92
  93     /// Start the shape for which we just collected the information.
  94     ///
  95     /// Returns the element's tag number, -1 means we wrote nothing.
  96     virtual sal_Int32   StartShape();
  97
  98     /// End the shape.
  99     ///
 100     /// The parameter is just what we got from StartShape().
 101     virtual void        EndShape( sal_Int32 nShapeElement );
 102
 103     virtual void        Commit( EscherPropertyContainer& rProps, const Rectangle& rRect );
 104
 105 private:
 106
 107     virtual void OpenContainer( sal_uInt16 nEscherContainer, int nRecInstance = 0 );
 108     virtual void CloseContainer();
 109
 110     virtual sal_uInt32 EnterGroup( const OUString& rShapeName, const Rectangle* pBoundRect = 0 );
 111     virtual void LeaveGroup();
 112
 113     virtual void AddShape( sal_uInt32 nShapeType, sal_uInt32 nShapeFlags, sal_uInt32 nShapeId = 0 );
 114
 115 private:
 116     /// Create an OString representing the id from a numerical id.
 117     static OString ShapeIdString( sal_uInt32 nId );
 118
 119     /// Add starting and ending point of a line to the m_pShapeAttrList.
 120     void AddLineDimensions( const Rectangle& rRectangle );
 121
 122     /// Add position and size to the OStringBuffer.
 123     void AddRectangleDimensions( OStringBuffer& rBuffer, const Rectangle& rRectangle );
 124 };
 125
 126 } // namespace vml
 127
 128 } // namespace oox
 129
 130 #endif
 131
 132 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */