src/views/zoomlevelinfo.h

   1 /*
   2  * SPDX-FileCopyrightText: 2008 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #ifndef ZOOMLEVELINFO_H
   8 #define ZOOMLEVELINFO_H
   9
  10 class QSize;
  11
  12 /**
  13  * @short Helper class for getting information about the zooming
  14  *        capabilities.
  15  */
  16 class ZoomLevelInfo
  17 {
  18 public:
  19     static int minimumLevel();
  20     static int maximumLevel();
  21
  22     /**
  23      * Helper method for the view implementation to get
  24      * the icon size for the zoom level \a level that
  25      * is between the range ZoomLevelInfo::minimumLevel() and
  26      * ZoomLevelInfo::maximumLevel().
  27      */
  28     static int iconSizeForZoomLevel(int level);
  29
  30     /**
  31      * Helper method for the view implementation to get
  32      * the zoom level for the icon size \a size that
  33      * is between the range ZoomLevelInfo::minimumLevel() and
  34      * ZoomLevelInfo::maximumLevel().
  35      */
  36     static int zoomLevelForIconSize(const QSize &size);
  37 };
  38
  39 #endif