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:  size = KIconLoader::SizeSmall; break;
  28     case 1:  size = KIconLoader::SizeSmallMedium; break;
  29     case 2:  size = KIconLoader::SizeMedium; break;
  30     case 3:  size = KIconLoader::SizeLarge; break;
  31     case 4:  size = KIconLoader::SizeHuge; break;
  32     default: size = KIconLoader::SizeHuge + ((level - 4) << 4);
  33     }
  34     return size;
  35 }
  36
  37 int ZoomLevelInfo::zoomLevelForIconSize(const QSize& size)
  38 {
  39     int level = 0;
  40     switch (size.height()) {
  41     case KIconLoader::SizeSmall:       level = 0; break;
  42     case KIconLoader::SizeSmallMedium: level = 1; break;
  43     case KIconLoader::SizeMedium:      level = 2; break;
  44     case KIconLoader::SizeLarge:       level = 3; break;
  45     case KIconLoader::SizeHuge:        level = 4; break;
  46     default: level = 4 + ((size.height() - KIconLoader::SizeHuge) >> 4);
  47     }
  48     return level;
  49 }