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 public:
  18     static int minimumLevel();
  19     static int maximumLevel();
  20
  21     /**
  22      * Helper method for the view implementation to get
  23      * the icon size for the zoom level \a level that
  24      * is between the range ZoomLevelInfo::minimumLevel() and
  25      * ZoomLevelInfo::maximumLevel().
  26      */
  27     static int iconSizeForZoomLevel(int level);
  28
  29     /**
  30      * Helper method for the view implementation to get
  31      * the zoom level for the icon size \a size that
  32      * is between the range ZoomLevelInfo::minimumLevel() and
  33      * ZoomLevelInfo::maximumLevel().
  34      */
  35     static int zoomLevelForIconSize(const QSize& size);
  36 };
  37
  38 #endif