include/vcl/gfxlink.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:
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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_GFXLINK_HXX
  21 #define INCLUDED_VCL_GFXLINK_HXX
  22
  23 #include <tools/gen.hxx>
  24 #include <vcl/dllapi.h>
  25 #include <vcl/mapmod.hxx>
  26 #include <memory>
  27
  28 class SvStream;
  29
  30 /** GfxLink graphic types that are supported by GfxLink.
  31  *
  32  * It is important that the numbers for native types stay the same, because
  33  * they are used in serialization to MTF.
  34  */
  35 enum class GfxLinkType
  36 {
  37     NONE         = 0,
  38     EpsBuffer    = 1,
  39     NativeGif    = 2,
  40     NativeJpg    = 3,
  41     NativePng    = 4,
  42     NativeTif    = 5,
  43     NativeWmf    = 6,
  44     NativeMet    = 7,
  45     NativePct    = 8,
  46     NativeSvg    = 9,
  47     NativeMov    = 10,
  48     NativeBmp    = 11,
  49     NativePdf    = 12, // If a new type is added, make sure to change NativeLast too
  50
  51     // Alias for when the first native type starts and last native
  52     // type ends.
  53     NativeFirst  = NativeGif,
  54     NativeLast   = NativePdf,
  55 };
  56
  57 class Graphic;
  58
  59 class VCL_DLLPUBLIC GfxLink
  60 {
  61 private:
  62     GfxLinkType     meType;
  63     sal_uInt32      mnUserId;
  64     mutable std::shared_ptr<sal_uInt8> mpSwapInData;
  65     mutable size_t  maHash;
  66     sal_uInt32      mnSwapInDataSize;
  67     MapMode         maPrefMapMode;
  68     Size            maPrefSize;
  69     bool            mbPrefMapModeValid;
  70     bool            mbPrefSizeValid;
  71
  72     SAL_DLLPRIVATE std::shared_ptr<sal_uInt8> GetSwapInData() const;
  73 public:
  74                         GfxLink();
  75
  76                         // pBuff = The Graphic data. This class takes ownership of this
  77                         GfxLink( std::unique_ptr<sal_uInt8[]> pBuf, sal_uInt32 nBufSize, GfxLinkType nType );
  78
  79     bool                operator==( const GfxLink& ) const;
  80
  81     GfxLinkType         GetType() const { return meType;}
  82
  83     size_t              GetHash() const;
  84
  85     void                SetUserId( sal_uInt32 nUserId ) { mnUserId = nUserId; }
  86     sal_uInt32          GetUserId() const { return mnUserId; }
  87
  88     sal_uInt32          GetDataSize() const { return mnSwapInDataSize;}
  89     const sal_uInt8*    GetData() const;
  90
  91     const Size&         GetPrefSize() const { return maPrefSize;}
  92     void                SetPrefSize( const Size& rPrefSize );
  93     bool                IsPrefSizeValid() const { return mbPrefSizeValid;}
  94
  95     const MapMode&      GetPrefMapMode() const { return maPrefMapMode;}
  96     void                SetPrefMapMode( const MapMode& rPrefMapMode );
  97     bool                IsPrefMapModeValid() const { return mbPrefMapModeValid;}
  98
  99     bool                IsNative() const;
 100
 101     bool                LoadNative( Graphic& rGraphic );
 102
 103     bool                ExportNative( SvStream& rOStream ) const;
 104
 105     bool                IsEMF() const; // WMF & EMF stored under the same type (NativeWmf)
 106 };
 107
 108 #endif
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */