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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 _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             : namespace rtl {
      30             :     class OString;
      31             :     class OStringBuffer;
      32             : }
      33             : 
      34             : namespace oox {
      35             : 
      36             : namespace vml {
      37             : 
      38             : /// Interface to be implemented by the parent exporter that knows how to handle shape text.
      39             : class OOX_DLLPUBLIC VMLTextExport
      40             : {
      41             : public:
      42             :     virtual void WriteOutliner(const OutlinerParaObject& rParaObj) = 0;
      43             :     virtual oox::drawingml::DrawingML& GetDrawingML() = 0;
      44             : protected:
      45          24 :     VMLTextExport() {}
      46          24 :     virtual ~VMLTextExport() {}
      47             : };
      48             : 
      49             : class OOX_DLLPUBLIC VMLExport : public EscherEx
      50             : {
      51             :     /// Fast serializer to output the data
      52             :     ::sax_fastparser::FSHelperPtr m_pSerializer;
      53             : 
      54             :     /// Parent exporter, used for text callback.
      55             :     VMLTextExport* m_pTextExport;
      56             : 
      57             :     /// The object we're exporting.
      58             :     const SdrObject* m_pSdrObject;
      59             : 
      60             :     /// Fill the shape attributes as they come.
      61             :     ::sax_fastparser::FastAttributeList *m_pShapeAttrList;
      62             : 
      63             :     /// Remember the shape type.
      64             :     sal_uInt32 m_nShapeType;
      65             : 
      66             :     /// Remember the shape flags.
      67             :     sal_uInt32 m_nShapeFlags;
      68             : 
      69             :     /// Remember style, the most important shape attribute ;-)
      70             :     rtl::OStringBuffer *m_pShapeStyle;
      71             : 
      72             :     /// Remember which shape types we had already written.
      73             :     bool *m_pShapeTypeWritten;
      74             : 
      75             : public:
      76             :                         VMLExport( ::sax_fastparser::FSHelperPtr pSerializer, VMLTextExport* pTextExport = 0 );
      77             :     virtual             ~VMLExport();
      78             : 
      79             :     ::sax_fastparser::FSHelperPtr
      80           0 :                         GetFS() { return m_pSerializer; }
      81             : 
      82             :     /// Export the sdr object as VML.
      83             :     ///
      84             :     /// Call this when you need to export the object as VML.
      85             :     sal_uInt32 AddSdrObject( const SdrObject& rObj );
      86             : 
      87             : protected:
      88             :     /// Add an attribute to the generated <v:shape/> element.
      89             :     ///
      90             :     /// This should be called from within StartShape() to ensure that the
      91             :     /// added attribute is preserved.
      92             :     void                AddShapeAttribute( sal_Int32 nAttribute, const rtl::OString& sValue );
      93             : 
      94             :     using EscherEx::StartShape;
      95             :     using EscherEx::EndShape;
      96             : 
      97             :     /// Start the shape for which we just collected the information.
      98             :     ///
      99             :     /// Returns the element's tag number, -1 means we wrote nothing.
     100             :     virtual sal_Int32   StartShape();
     101             : 
     102             :     /// End the shape.
     103             :     ///
     104             :     /// The parameter is just what we got from StartShape().
     105             :     virtual void        EndShape( sal_Int32 nShapeElement );
     106             : 
     107             :     virtual void        Commit( EscherPropertyContainer& rProps, const Rectangle& rRect );
     108             : 
     109             : private:
     110             : 
     111             :     virtual void OpenContainer( sal_uInt16 nEscherContainer, int nRecInstance = 0 );
     112             :     virtual void CloseContainer();
     113             : 
     114             :     virtual sal_uInt32 EnterGroup( const String& rShapeName, const Rectangle* pBoundRect = 0 );
     115             :     virtual void LeaveGroup();
     116             : 
     117             :     virtual void AddShape( sal_uInt32 nShapeType, sal_uInt32 nShapeFlags, sal_uInt32 nShapeId = 0 );
     118             : 
     119             : private:
     120             :     /// Create an OString representing the id from a numerical id.
     121             :     static rtl::OString ShapeIdString( sal_uInt32 nId );
     122             : 
     123             :     /// Add starting and ending point of a line to the m_pShapeAttrList.
     124             :     void AddLineDimensions( const Rectangle& rRectangle );
     125             : 
     126             :     /// Add position and size to the OStringBuffer.
     127             :     void AddRectangleDimensions( rtl::OStringBuffer& rBuffer, const Rectangle& rRectangle );
     128             : };
     129             : 
     130             : } // namespace vml
     131             : 
     132             : } // namespace oox
     133             : 
     134             : #endif
     135             : 
     136             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */