vcl/source/filter/wmf/emfwr.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_VCL_SOURCE_FILTER_WMF_EMFWR_HXX
  21 #define INCLUDED_VCL_SOURCE_FILTER_WMF_EMFWR_HXX
  22
  23 #include <vcl/metaact.hxx>
  24 #include <vcl/graph.hxx>
  25 #include <vcl/gdimtf.hxx>
  26 #include <vcl/virdev.hxx>
  27 #include <vcl/fltcall.hxx>
  28
  29 class LineInfo;
  30 namespace basegfx { class B2DPolygon; }
  31
  32 class EMFWriter
  33 {
  34 private:
  35
  36     ScopedVclPtr<VirtualDevice> maVDev;
  37     MapMode             maDestMapMode;
  38     SvStream& m_rStm;
  39     bool*               mpHandlesUsed;
  40     sal_uLong               mnHandleCount;
  41     sal_uLong               mnRecordCount;
  42     sal_uLong               mnRecordPos;
  43     sal_uLong               mnRecordPlusPos;
  44     bool                mbRecordOpen;
  45     bool                mbRecordPlusOpen;
  46     bool                mbLineChanged;
  47     sal_uInt32          mnLineHandle;
  48     bool                mbFillChanged;
  49     sal_uInt32          mnFillHandle;
  50     bool                mbTextChanged;
  51     sal_uInt32          mnTextHandle;
  52     sal_uInt32          mnHorTextAlign;
  53
  54     void                ImplBeginRecord( sal_uInt32 nType );
  55     void                ImplEndRecord();
  56     void                ImplBeginPlusRecord( sal_uInt16 nType, sal_uInt16 nFlags );
  57     void                ImplEndPlusRecord();
  58     void                ImplPlusRecord( sal_uInt16 nType, sal_uInt16 nFlags );
  59     void                ImplBeginCommentRecord( sal_Int32 nCommentType );
  60     void                ImplEndCommentRecord();
  61
  62     sal_uLong               ImplAcquireHandle();
  63     void                ImplReleaseHandle( sal_uLong nHandle );
  64
  65     bool                ImplPrepareHandleSelect( sal_uInt32& rHandle, sal_uLong nSelectType );
  66     void                ImplCheckLineAttr();
  67     void                ImplCheckFillAttr();
  68     void                ImplCheckTextAttr();
  69
  70     void                ImplWriteColor( const Color& rColor );
  71     void                ImplWriteRasterOp( RasterOp eRop );
  72     void                ImplWriteExtent( long nExtent );
  73     void                ImplWritePoint( const Point& rPoint );
  74     void                ImplWriteSize( const Size& rSize);
  75     void                ImplWriteRect( const Rectangle& rRect );
  76     void                ImplWritePath( const tools::PolyPolygon& rPolyPoly, bool bClose );
  77     void                ImplWritePolygonRecord( const Polygon& rPoly, bool bClose );
  78     void                ImplWritePolyPolygonRecord( const tools::PolyPolygon& rPolyPoly );
  79     void                ImplWriteBmpRecord( const Bitmap& rBmp, const Point& rPt, const Size& rSz, sal_uInt32 nROP );
  80     void                ImplWriteTextRecord( const Point& rPos, const OUString& rText, const long* pDXArray, sal_uInt32 nWidth );
  81
  82     void                Impl_handleLineInfoPolyPolygons(const LineInfo& rInfo, const basegfx::B2DPolygon& rLinePolygon);
  83     void                ImplWrite( const GDIMetaFile& rMtf );
  84     void                WriteEMFPlusHeader( const Size &rMtfSizePix, const Size &rMtfSizeLog );
  85     void                ImplWritePlusEOF();
  86     void                ImplWritePlusFillPolygonRecord( const Polygon& rPoly, const sal_uInt32& nTrans );
  87     void                ImplWritePlusColor( const Color& rColor, const sal_uInt32& nTrans );
  88     void                ImplWritePlusPoint( const Point& rPoint );
  89
  90 public:
  91
  92     EMFWriter(SvStream &rStream)
  93         : maVDev( VclPtr<VirtualDevice>::Create() )
  94         , m_rStm(rStream)
  95         , mpHandlesUsed(NULL)
  96         , mnHandleCount(0)
  97         , mnRecordCount(0)
  98         , mnRecordPos(0)
  99         , mnRecordPlusPos(0)
 100         , mbRecordOpen(false)
 101         , mbRecordPlusOpen(false)
 102         , mbLineChanged(false)
 103         , mnLineHandle(0)
 104         , mbFillChanged(false)
 105         , mnFillHandle(0)
 106         , mbTextChanged(false)
 107         , mnTextHandle(0)
 108         , mnHorTextAlign(0)
 109     {
 110     }
 111
 112     bool WriteEMF(const GDIMetaFile& rMtf);
 113 };
 114
 115 #endif // INCLUDED_VCL_SOURCE_FILTER_WMF_EMFWR_HXX
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */