vcl/inc/image.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   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_INC_IMAGE_H
  21 #define INCLUDED_VCL_INC_IMAGE_H
  22
  23 #include <vcl/bitmapex.hxx>
  24
  25 #include <unordered_map>
  26
  27 // - ImplImageBmp -
  28
  29 class ImplImageBmp
  30 {
  31 public:
  32
  33                 ImplImageBmp();
  34                 ~ImplImageBmp();
  35
  36     void        Create( const BitmapEx& rBmpEx, long nItemWidth, long nItemHeight,sal_uInt16 nInitSize );
  37     void        ColorTransform();
  38     void        Draw( sal_uInt16 nPos, OutputDevice* pDev, const Point& rPos, DrawImageFlags nStyle, const Size* pSize = NULL );
  39
  40 private:
  41
  42     BitmapEx    maBmpEx;
  43     BitmapChecksum maBitmapChecksum;
  44
  45     BitmapEx    maDisabledBmpEx;
  46     BitmapEx*   mpDisplayBmp;
  47     Size        maSize;
  48     sal_uInt8*      mpInfoAry;
  49     sal_uInt16      mnSize;
  50
  51     void        ImplUpdateDisplayBmp( OutputDevice* pOutDev );
  52     void        ImplUpdateDisabledBmpEx( int nPos );
  53
  54 private:
  55     ImplImageBmp( const ImplImageBmp& ) SAL_DELETED_FUNCTION;
  56     void operator=( const ImplImageBmp& ) SAL_DELETED_FUNCTION;
  57 };
  58
  59 // - ImageTypes -
  60
  61 enum ImageType { IMAGETYPE_BITMAP, IMAGETYPE_IMAGE };
  62
  63 // - ImplImageList -
  64
  65 struct ImageAryData
  66 {
  67     OUString maName;
  68     // Images identified by either name, or by id
  69     sal_uInt16          mnId;
  70     BitmapEx        maBitmapEx;
  71
  72     ImageAryData( const OUString &aName,
  73                   sal_uInt16 nId, const BitmapEx &aBitmap );
  74     ImageAryData( const ImageAryData& rData );
  75     ~ImageAryData();
  76
  77     bool IsLoadable() { return maBitmapEx.IsEmpty() && !maName.isEmpty(); }
  78     void Load(const OUString &rPrefix);
  79
  80     ImageAryData&   operator=( const ImageAryData& rData );
  81 };
  82
  83 struct ImplImageList
  84 {
  85     typedef std::vector<ImageAryData *> ImageAryDataVec;
  86     typedef std::unordered_map< OUString, ImageAryData *, OUStringHash >
  87         ImageAryDataNameHash;
  88
  89     ImageAryDataVec             maImages;
  90     ImageAryDataNameHash        maNameHash;
  91     OUString               maPrefix;
  92     Size                        maImageSize;
  93     sal_uIntPtr                       mnRefCount;
  94
  95     ImplImageList();
  96     ImplImageList( const ImplImageList &aSrc );
  97     ~ImplImageList();
  98
  99     void AddImage( const OUString &aName,
 100                    sal_uInt16 nId, const BitmapEx &aBitmapEx );
 101     void RemoveImage( sal_uInt16 nPos );
 102 };
 103
 104 // - ImplImageRefData -
 105
 106 struct ImplImageRefData
 107 {
 108     ImplImageList*  mpImplData;
 109     sal_uInt16          mnIndex;
 110
 111                     ImplImageRefData() {}    // Um Warning zu umgehen
 112                     ~ImplImageRefData();
 113
 114     bool            IsEqual( const ImplImageRefData& rData );
 115 };
 116
 117 // - ImpImageData -
 118
 119 struct ImplImageData
 120 {
 121     ImplImageBmp*   mpImageBitmap;
 122     BitmapEx        maBmpEx;
 123
 124                     ImplImageData( const BitmapEx& rBmpEx );
 125                     ~ImplImageData();
 126
 127     bool            IsEqual( const ImplImageData& rData );
 128 };
 129
 130 // - ImplImage -
 131
 132 struct ImplImage
 133 {
 134     sal_uIntPtr         mnRefCount;
 135     // TODO: use inheritance to get rid of meType+mpData
 136     void*           mpData;
 137     ImageType       meType;
 138
 139                     ImplImage();
 140                     ~ImplImage();
 141
 142 private:
 143             ImplImage( const ImplImage&) SAL_DELETED_FUNCTION;
 144     void    operator=( const ImplImage&) SAL_DELETED_FUNCTION;
 145 };
 146
 147 #endif // INCLUDED_VCL_INC_IMAGE_H
 148
 149 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */