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