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 #include <vcl/gdimtf.hxx>
  25
  26 class SalGraphics;
  27
  28 class ImplImage
  29 {
  30 private:
  31     BitmapChecksum maBitmapChecksum;
  32     /// if non-empty: cached original size of maStockName else Size of maBitmap
  33     Size maSizePixel;
  34     /// If set - defines the bitmap via images.zip*
  35     OUString maStockName;
  36     /// rare case of dynamically created Image contents
  37     std::unique_ptr<GDIMetaFile> mxMetaFile;
  38
  39     /// Original bitmap - or cache of a potentially scaled bitmap
  40     BitmapEx maBitmapEx;
  41     BitmapEx maDisabledBitmapEx;
  42
  43     bool loadStockAtScale(SalGraphics* pGraphics, BitmapEx &rBitmapEx);
  44
  45 public:
  46     ImplImage(const BitmapEx& rBitmapEx);
  47     ImplImage(const GDIMetaFile& rMetaFile);
  48     ImplImage(OUString aStockName);
  49
  50     bool isStock() const
  51     {
  52         return maStockName.getLength() > 0;
  53     }
  54
  55     const OUString & getStock() const
  56     {
  57         return maStockName;
  58     }
  59
  60     /// get size in co-ordinates not scaled for HiDPI
  61     Size getSizePixel();
  62     /// Legacy - the original bitmap
  63     BitmapEx const & getBitmapEx(bool bDisabled = false);
  64     /// Taking account of HiDPI scaling
  65     BitmapEx const & getBitmapExForHiDPI(bool bDisabled, SalGraphics* pGraphics);
  66
  67     bool isEqual(const ImplImage &ref) const;
  68     bool isSizeEmpty() const
  69     {
  70         return maSizePixel == Size();
  71     }
  72 };
  73
  74 #endif // INCLUDED_VCL_INC_IMAGE_H
  75
  76 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */