src/zoomlevelinfo.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "zoomlevelinfo.h"
  21 #include <kiconloader.h>
  22 #include <QSize>
  23
  24 int ZoomLevelInfo::minimumLevel()
  25 {
  26     return 0;
  27 }
  28
  29 int ZoomLevelInfo::maximumLevel()
  30 {
  31     return 7;
  32 }
  33
  34 int ZoomLevelInfo::iconSizeForZoomLevel(int level)
  35 {
  36     int size = KIconLoader::SizeMedium;
  37     switch (level) {
  38     case 0: size = KIconLoader::SizeSmall; break;
  39     case 1: size = KIconLoader::SizeSmallMedium; break;
  40     case 2: size = KIconLoader::SizeMedium; break;
  41     case 3: size = KIconLoader::SizeLarge; break;
  42     case 4: size = KIconLoader::SizeHuge; break;
  43     case 5: size = KIconLoader::SizeEnormous; break;
  44     case 6: size = KIconLoader::SizeEnormous * 3 / 2; break;
  45     case 7: size = KIconLoader::SizeEnormous * 2; break;
  46     default: Q_ASSERT(false); break;
  47     }
  48     return size;
  49 }
  50
  51 int ZoomLevelInfo::zoomLevelForIconSize(const QSize& size)
  52 {
  53     int level = 0;
  54     switch (size.height()) {
  55     case KIconLoader::SizeSmall:            level = 0; break;
  56     case KIconLoader::SizeSmallMedium:      level = 1; break;
  57     case KIconLoader::SizeMedium:           level = 2; break;
  58     case KIconLoader::SizeLarge:            level = 3; break;
  59     case KIconLoader::SizeHuge:             level = 4; break;
  60     case KIconLoader::SizeEnormous:         level = 5; break;
  61     case KIconLoader::SizeEnormous * 3 / 2: level = 6; break;
  62     case KIconLoader::SizeEnormous * 2:     level = 7; break;
  63     default: Q_ASSERT(false);               level = 3; break;
  64     }
  65     return level;
  66 }