vcl/inc/impgraph.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 _SV_IMPGRAPH_HXX
  21 #define _SV_IMPGRAPH_HXX
  22
  23 #include <vcl/bitmap.hxx>
  24 #include <vcl/bitmapex.hxx>
  25 #include <vcl/animate.hxx>
  26 #include <vcl/gdimtf.hxx>
  27 #include <vcl/graph.h>
  28 #include <vcl/svgdata.hxx>
  29
  30 // ---------------
  31 // - ImpSwapInfo -
  32 // ---------------
  33
  34 struct ImpSwapInfo
  35 {
  36     MapMode     maPrefMapMode;
  37     Size        maPrefSize;
  38 };
  39
  40 // --------------
  41 // - ImpGraphic -
  42 // --------------
  43
  44 class   OutputDevice;
  45 class   GfxLink;
  46 struct  ImpSwapFile;
  47 class GraphicConversionParameters;
  48
  49 class ImpGraphic
  50 {
  51     friend class Graphic;
  52
  53 private:
  54
  55     GDIMetaFile         maMetaFile;
  56     BitmapEx            maEx;
  57     ImpSwapInfo         maSwapInfo;
  58     Animation*          mpAnimation;
  59     GraphicReader*      mpContext;
  60     ImpSwapFile*        mpSwapFile;
  61     GfxLink*            mpGfxLink;
  62     GraphicType         meType;
  63     String              maDocFileURLStr;
  64     sal_uLong           mnDocFilePos;
  65     mutable sal_uLong   mnSizeBytes;
  66     sal_uLong           mnRefCount;
  67     sal_Bool            mbSwapOut;
  68     sal_Bool            mbSwapUnderway;
  69
  70     // SvgData support
  71     SvgDataPtr          maSvgData;
  72
  73 private:
  74
  75                         ImpGraphic();
  76                         ImpGraphic( const ImpGraphic& rImpGraphic );
  77                         ImpGraphic( const Bitmap& rBmp );
  78                         ImpGraphic( const BitmapEx& rBmpEx );
  79                         ImpGraphic(const SvgDataPtr& rSvgDataPtr);
  80                         ImpGraphic( const Animation& rAnimation );
  81                         ImpGraphic( const GDIMetaFile& rMtf );
  82     virtual             ~ImpGraphic();
  83
  84     ImpGraphic&         operator=( const ImpGraphic& rImpGraphic );
  85     sal_Bool                operator==( const ImpGraphic& rImpGraphic ) const;
  86     sal_Bool                operator!=( const ImpGraphic& rImpGraphic ) const { return !( *this == rImpGraphic ); }
  87
  88     void                ImplClearGraphics( sal_Bool bCreateSwapInfo );
  89     void                ImplClear();
  90
  91     GraphicType         ImplGetType() const;
  92     void                ImplSetDefaultType();
  93     sal_Bool                ImplIsSupportedGraphic() const;
  94
  95     sal_Bool            ImplIsTransparent() const;
  96     sal_Bool            ImplIsAlpha() const;
  97     sal_Bool            ImplIsAnimated() const;
  98     sal_Bool            ImplIsEPS() const;
  99
 100     Bitmap                  ImplGetBitmap(const GraphicConversionParameters& rParameters) const;
 101     BitmapEx                ImplGetBitmapEx(const GraphicConversionParameters& rParameters) const;
 102     Animation               ImplGetAnimation() const;
 103     const GDIMetaFile&      ImplGetGDIMetaFile() const;
 104
 105
 106     Size                ImplGetPrefSize() const;
 107     void                ImplSetPrefSize( const Size& rPrefSize );
 108
 109     MapMode             ImplGetPrefMapMode() const;
 110     void                ImplSetPrefMapMode( const MapMode& rPrefMapMode );
 111
 112     sal_uLong               ImplGetSizeBytes() const;
 113
 114     void                ImplDraw( OutputDevice* pOutDev,
 115                                   const Point& rDestPt ) const;
 116     void                ImplDraw( OutputDevice* pOutDev,
 117                                   const Point& rDestPt,
 118                                   const Size& rDestSize ) const;
 119
 120     void                ImplStartAnimation( OutputDevice* pOutDev,
 121                                             const Point& rDestPt,
 122                                             const Size& rDestSize,
 123                                             long nExtraData = 0,
 124                                             OutputDevice* pFirstFrameOutDev = NULL );
 125     void                ImplStopAnimation( OutputDevice* pOutputDevice = NULL,
 126                                            long nExtraData = 0 );
 127
 128     void                ImplSetAnimationNotifyHdl( const Link& rLink );
 129     Link                ImplGetAnimationNotifyHdl() const;
 130
 131     sal_uLong               ImplGetAnimationLoopCount() const;
 132
 133 private:
 134
 135     GraphicReader*      ImplGetContext();
 136     void                ImplSetContext( GraphicReader* pReader );
 137
 138 private:
 139
 140     void                ImplSetDocFileName( const String& rName, sal_uLong nFilePos );
 141     const String&       ImplGetDocFileName() const;
 142     sal_uLong               ImplGetDocFilePos() const;
 143
 144     sal_Bool                ImplReadEmbedded( SvStream& rIStream, sal_Bool bSwap = sal_False );
 145     sal_Bool                ImplWriteEmbedded( SvStream& rOStream );
 146
 147     sal_Bool                ImplSwapIn();
 148     sal_Bool                ImplSwapIn( SvStream* pIStm );
 149
 150     sal_Bool                ImplSwapOut();
 151     sal_Bool                ImplSwapOut( SvStream* pOStm );
 152
 153     sal_Bool                ImplIsSwapOut() const;
 154
 155     void                ImplSetLink( const GfxLink& );
 156     GfxLink             ImplGetLink();
 157     sal_Bool                ImplIsLink() const;
 158
 159     sal_uLong               ImplGetChecksum() const;
 160
 161     sal_Bool                ImplExportNative( SvStream& rOStm ) const;
 162
 163     friend SvStream&    operator<<( SvStream& rOStm, const ImpGraphic& rImpGraphic );
 164     friend SvStream&    operator>>( SvStream& rIStm, ImpGraphic& rImpGraphic );
 165
 166     // SvgData support
 167     const SvgDataPtr& getSvgData() const;
 168 };
 169
 170 #endif // _SV_IMPGRAPH_HXX
 171
 172 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */