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
   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 INCLUDED_VCL_GFXLINK_HXX
  21 #define INCLUDED_VCL_GFXLINK_HXX
  22
  23 #include <rtl/ustring.hxx>
  24 #include <tools/gen.hxx>
  25 #include <vcl/dllapi.h>
  26 #include <vcl/mapmod.hxx>
  27 #include <memory>
  28
  29 class SvStream;
  30
  31 enum class GfxLinkType
  32 {
  33     NONE         = 0,
  34     EpsBuffer    = 1,
  35     NativeGif    = 2,    // Don't forget to update the following defines
  36     NativeJpg    = 3,    // Don't forget to update the following defines
  37     NativePng    = 4,    // Don't forget to update the following defines
  38     NativeTif    = 5,    // Don't forget to update the following defines
  39     NativeWmf    = 6,    // Don't forget to update the following defines
  40     NativeMet    = 7,    // Don't forget to update the following defines
  41     NativePct    = 8,    // Don't forget to update the following defines
  42     NativeSvg    = 9,    // Don't forget to update the following defines
  43     NativeMov    = 10,   // Don't forget to update the following defines
  44     NativeBmp    = 11,
  45     NativePdf    = 12    // Don't forget to update the following defines
  46 };
  47
  48 #define GFX_LINK_FIRST_NATIVE_ID    GfxLinkType::NativeGif
  49 #define GFX_LINK_LAST_NATIVE_ID     GfxLinkType::NativePdf
  50
  51 class Graphic;
  52
  53 class VCL_DLLPUBLIC GfxLink
  54 {
  55 private:
  56     GfxLinkType     meType;
  57     sal_uInt32      mnUserId;
  58
  59     mutable std::shared_ptr<sal_uInt8> mpSwapInData;
  60
  61     sal_uInt32      mnSwapInDataSize;
  62     MapMode         maPrefMapMode;
  63     Size            maPrefSize;
  64     bool            mbPrefMapModeValid;
  65     bool            mbPrefSizeValid;
  66
  67     SAL_DLLPRIVATE std::shared_ptr<sal_uInt8> GetSwapInData() const;
  68 public:
  69                         GfxLink();
  70
  71                         // pBuff = The Graphic data. This class takes ownership of this
  72                         GfxLink( std::unique_ptr<sal_uInt8[]> pBuf, sal_uInt32 nBufSize, GfxLinkType nType );
  73
  74     bool                operator==( const GfxLink& ) const;
  75
  76     GfxLinkType         GetType() const { return meType;}
  77
  78     void                SetUserId( sal_uInt32 nUserId ) { mnUserId = nUserId; }
  79     sal_uInt32          GetUserId() const { return mnUserId; }
  80
  81     sal_uInt32          GetDataSize() const { return mnSwapInDataSize;}
  82     const sal_uInt8*    GetData() const;
  83
  84     const Size&         GetPrefSize() const { return maPrefSize;}
  85     void                SetPrefSize( const Size& rPrefSize );
  86     bool                IsPrefSizeValid() const { return mbPrefSizeValid;}
  87
  88     const MapMode&      GetPrefMapMode() const { return maPrefMapMode;}
  89     void                SetPrefMapMode( const MapMode& rPrefMapMode );
  90     bool                IsPrefMapModeValid() const { return mbPrefMapModeValid;}
  91
  92     bool                IsNative() const;
  93
  94     bool                LoadNative( Graphic& rGraphic );
  95
  96     bool                ExportNative( SvStream& rOStream ) const;
  97
  98     bool                IsEMF() const; // WMF & EMF stored under the same type (NativeWmf)
  99 public:
 100
 101     friend SvStream&  WriteGfxLink( SvStream& rOStream, const GfxLink& rGfxLink );
 102     friend SvStream&  ReadGfxLink( SvStream& rIStream, GfxLink& rGfxLink );
 103 };
 104
 105 #endif
 106
 107 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */