include/vcl/gfxlink.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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   5  * This Source Code Form is subject to the terms of the Mozilla Public
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   9  * This file incorporates work covered by the following license notice:
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  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_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 <vcl/BinaryDataContainer.hxx>
  27 #include <memory>
  28
  29 class SvStream;
  30
  31 /** GfxLink graphic types that are supported by GfxLink.
  32  *
  33  * It is important that the numbers for native types stay the same, because
  34  * they are used in serialization to MTF.
  35  */
  36 enum class GfxLinkType
  37 {
  38     NONE         = 0,
  39     EpsBuffer    = 1,
  40     NativeGif    = 2,
  41     NativeJpg    = 3,
  42     NativePng    = 4,
  43     NativeTif    = 5,
  44     NativeWmf    = 6,
  45     NativeMet    = 7,
  46     NativePct    = 8,
  47     NativeSvg    = 9,
  48     NativeMov    = 10,
  49     NativeBmp    = 11,
  50     NativePdf    = 12, // If a new type is added, make sure to change NativeLast too
  51
  52     // Alias for when the first native type starts and last native
  53     // type ends.
  54     NativeFirst  = NativeGif,
  55     NativeLast   = NativePdf,
  56 };
  57
  58 class Graphic;
  59
  60 class VCL_DLLPUBLIC GfxLink
  61 {
  62 private:
  63     GfxLinkType     meType;
  64     sal_uInt32      mnUserId;
  65     BinaryDataContainer maDataContainer;
  66     mutable size_t  maHash;
  67     MapMode         maPrefMapMode;
  68     Size            maPrefSize;
  69     bool            mbPrefMapModeValid;
  70     bool            mbPrefSizeValid;
  71
  72 public:
  73     GfxLink();
  74     explicit GfxLink(std::unique_ptr<sal_uInt8[]> pBuf, sal_uInt32 nBufSize, GfxLinkType nType);
  75     explicit GfxLink(BinaryDataContainer const & rDataConainer, GfxLinkType nType);
  76
  77     bool                operator==( const GfxLink& ) const;
  78
  79     GfxLinkType         GetType() const { return meType;}
  80
  81     size_t              GetHash() const;
  82
  83     void                SetUserId( sal_uInt32 nUserId ) { mnUserId = nUserId; }
  84     sal_uInt32          GetUserId() const { return mnUserId; }
  85
  86     sal_uInt32          GetDataSize() const { return maDataContainer.getSize(); }
  87     const sal_uInt8*    GetData() const;
  88
  89     const BinaryDataContainer& getDataContainer() const
  90     {
  91         return maDataContainer;
  92     }
  93
  94     const Size&         GetPrefSize() const { return maPrefSize;}
  95     void                SetPrefSize( const Size& rPrefSize );
  96     bool                IsPrefSizeValid() const { return mbPrefSizeValid;}
  97
  98     const MapMode&      GetPrefMapMode() const { return maPrefMapMode;}
  99     void                SetPrefMapMode( const MapMode& rPrefMapMode );
 100     bool                IsPrefMapModeValid() const { return mbPrefMapModeValid;}
 101
 102     bool                IsNative() const;
 103
 104     bool                LoadNative( Graphic& rGraphic ) const;
 105
 106     bool                ExportNative( SvStream& rOStream ) const;
 107
 108     bool                IsEMF() const; // WMF & EMF stored under the same type (NativeWmf)
 109 };
 110
 111 #endif
 112
 113 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */