vcl/inc/impgraph.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   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_INC_IMPGRAPH_HXX
  21 #define INCLUDED_VCL_INC_IMPGRAPH_HXX
  22
  23 struct ImpSwapInfo
  24 {
  25     MapMode     maPrefMapMode;
  26     Size        maPrefSize;
  27 };
  28
  29 class OutputDevice;
  30 class GfxLink;
  31 struct ImpSwapFile;
  32 class GraphicConversionParameters;
  33
  34 class ImpGraphic final
  35 {
  36     friend class Graphic;
  37
  38 private:
  39
  40     GDIMetaFile                  maMetaFile;
  41     BitmapEx                     maEx;
  42     ImpSwapInfo                  maSwapInfo;
  43     std::unique_ptr<Animation>   mpAnimation;
  44     std::shared_ptr<GraphicReader> mpContext;
  45     std::shared_ptr<ImpSwapFile> mpSwapFile;
  46     std::unique_ptr<GfxLink>     mpGfxLink;
  47     GraphicType                  meType;
  48     mutable sal_uLong            mnSizeBytes;
  49     bool                         mbSwapOut;
  50     bool                         mbSwapUnderway;
  51     bool                         mbDummyContext;
  52     SvgDataPtr                   maSvgData;
  53     css::uno::Sequence<sal_Int8> maPdfData;
  54
  55 private:
  56
  57                         ImpGraphic();
  58                         ImpGraphic( const ImpGraphic& rImpGraphic );
  59                         ImpGraphic( const Bitmap& rBmp );
  60                         ImpGraphic( const BitmapEx& rBmpEx );
  61                         ImpGraphic(const SvgDataPtr& rSvgDataPtr);
  62                         ImpGraphic( const Animation& rAnimation );
  63                         ImpGraphic( const GDIMetaFile& rMtf );
  64 public:
  65                         ~ImpGraphic();
  66 private:
  67
  68     ImpGraphic&         operator=( const ImpGraphic& rImpGraphic );
  69     bool                operator==( const ImpGraphic& rImpGraphic ) const;
  70     bool                operator!=( const ImpGraphic& rImpGraphic ) const { return !( *this == rImpGraphic ); }
  71
  72     void                ImplClearGraphics( bool bCreateSwapInfo );
  73     void                ImplClear();
  74
  75     GraphicType         ImplGetType() const { return meType;}
  76     void                ImplSetDefaultType();
  77     bool                ImplIsSupportedGraphic() const;
  78
  79     bool                ImplIsTransparent() const;
  80     bool                ImplIsAlpha() const;
  81     bool                ImplIsAnimated() const;
  82     bool                ImplIsEPS() const;
  83
  84     Bitmap              ImplGetBitmap(const GraphicConversionParameters& rParameters) const;
  85     BitmapEx            ImplGetBitmapEx(const GraphicConversionParameters& rParameters) const;
  86     Animation           ImplGetAnimation() const;
  87     const GDIMetaFile&  ImplGetGDIMetaFile() const;
  88
  89     Size                ImplGetPrefSize() const;
  90     void                ImplSetPrefSize( const Size& rPrefSize );
  91
  92     MapMode             ImplGetPrefMapMode() const;
  93     void                ImplSetPrefMapMode( const MapMode& rPrefMapMode );
  94
  95     sal_uLong           ImplGetSizeBytes() const;
  96
  97     void                ImplDraw( OutputDevice* pOutDev,
  98                                   const Point& rDestPt ) const;
  99     void                ImplDraw( OutputDevice* pOutDev,
 100                                   const Point& rDestPt,
 101                                   const Size& rDestSize ) const;
 102
 103     void                ImplStartAnimation( OutputDevice* pOutDev,
 104                                             const Point& rDestPt,
 105                                             const Size& rDestSize,
 106                                             long nExtraData,
 107                                             OutputDevice* pFirstFrameOutDev );
 108     void                ImplStopAnimation( OutputDevice* pOutputDevice,
 109                                            long nExtraData );
 110
 111     void                ImplSetAnimationNotifyHdl( const Link<Animation*,void>& rLink );
 112     Link<Animation*,void> ImplGetAnimationNotifyHdl() const;
 113
 114     sal_uLong           ImplGetAnimationLoopCount() const;
 115
 116 private:
 117
 118     std::shared_ptr<GraphicReader>& ImplGetContext() { return mpContext;}
 119     void                ImplSetContext( const std::shared_ptr<GraphicReader>& pReader );
 120     void                ImplSetDummyContext( bool value ) { mbDummyContext = value; }
 121     bool                ImplReadEmbedded( SvStream& rIStream );
 122     bool                ImplWriteEmbedded( SvStream& rOStream );
 123
 124     bool                ImplSwapIn();
 125     bool                ImplSwapIn( SvStream* pIStm );
 126
 127     bool                ImplSwapOut();
 128     void                ImplSwapOutAsLink();
 129     bool                ImplSwapOut( SvStream* pOStm );
 130
 131     bool                ImplIsSwapOut() const { return mbSwapOut;}
 132     bool                ImplIsDummyContext() const { return mbDummyContext; }
 133     void                ImplSetLink( const GfxLink& );
 134     GfxLink             ImplGetLink();
 135     bool                ImplIsLink() const;
 136
 137     BitmapChecksum      ImplGetChecksum() const;
 138
 139     bool                ImplExportNative( SvStream& rOStm ) const;
 140
 141     friend SvStream&    WriteImpGraphic( SvStream& rOStm, const ImpGraphic& rImpGraphic );
 142     friend SvStream&    ReadImpGraphic( SvStream& rIStm, ImpGraphic& rImpGraphic );
 143
 144     const SvgDataPtr&   getSvgData() const { return maSvgData; }
 145 };
 146
 147 #endif // INCLUDED_VCL_INC_IMPGRAPH_HXX
 148
 149 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */