src/views/zoomlevelinfo.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2008 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "zoomlevelinfo.h"
   8
   9 #include <KIconLoader>
  10
  11 #include <QSize>
  12
  13 int ZoomLevelInfo::minimumLevel()
  14 {
  15     return 0;
  16 }
  17
  18 int ZoomLevelInfo::maximumLevel()
  19 {
  20     return 16;
  21 }
  22
  23 int ZoomLevelInfo::iconSizeForZoomLevel(int level)
  24 {
  25     int size = KIconLoader::SizeMedium;
  26     switch (level) {
  27     case 0:
  28         size = KIconLoader::SizeSmall;
  29         break;
  30     case 1:
  31         size = KIconLoader::SizeSmallMedium;
  32         break;
  33     case 2:
  34         size = KIconLoader::SizeMedium;
  35         break;
  36     case 3:
  37         size = KIconLoader::SizeLarge;
  38         break;
  39     case 4:
  40         size = KIconLoader::SizeHuge;
  41         break;
  42     default:
  43         size = KIconLoader::SizeHuge + ((level - 4) << 4);
  44     }
  45     return size;
  46 }
  47
  48 int ZoomLevelInfo::zoomLevelForIconSize(const QSize &size)
  49 {
  50     int level = 0;
  51     switch (size.height()) {
  52     case KIconLoader::SizeSmall:
  53         level = 0;
  54         break;
  55     case KIconLoader::SizeSmallMedium:
  56         level = 1;
  57         break;
  58     case KIconLoader::SizeMedium:
  59         level = 2;
  60         break;
  61     case KIconLoader::SizeLarge:
  62         level = 3;
  63         break;
  64     case KIconLoader::SizeHuge:
  65         level = 4;
  66         break;
  67     default:
  68         level = 4 + ((size.height() - KIconLoader::SizeHuge) >> 4);
  69     }
  70     return level;
  71 }