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path: root/src/zoomlevelinfo.cpp
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/***************************************************************************
 *   Copyright (C) 2008 by Peter Penz <[email protected]>                  *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
 ***************************************************************************/

#include "zoomlevelinfo.h"
#include <kiconloader.h>
#include <QSize>

int ZoomLevelInfo::minimumLevel()
{
    return 0;
}

int ZoomLevelInfo::maximumLevel()
{
    return 7;
}

int ZoomLevelInfo::iconSizeForZoomLevel(int level)
{
    int size = KIconLoader::SizeMedium;
    switch (level) {
    case 0: size = KIconLoader::SizeSmall; break; 
    case 1: size = KIconLoader::SizeSmallMedium; break;
    case 2: size = KIconLoader::SizeMedium; break;
    case 3: size = KIconLoader::SizeLarge; break;
    case 4: size = KIconLoader::SizeHuge; break;
    case 5: size = KIconLoader::SizeEnormous; break;
    case 6: size = KIconLoader::SizeEnormous * 3 / 2; break;
    case 7: size = KIconLoader::SizeEnormous * 2; break;
    default: Q_ASSERT(false); break;
    }
    return size;
}

int ZoomLevelInfo::zoomLevelForIconSize(const QSize& size)
{
    int level = 0;
    switch (size.height()) {
    case KIconLoader::SizeSmall:            level = 0; break;
    case KIconLoader::SizeSmallMedium:      level = 1; break;
    case KIconLoader::SizeMedium:           level = 2; break;
    case KIconLoader::SizeLarge:            level = 3; break;
    case KIconLoader::SizeHuge:             level = 4; break;
    case KIconLoader::SizeEnormous:         level = 5; break;
    case KIconLoader::SizeEnormous * 3 / 2: level = 6; break;
    case KIconLoader::SizeEnormous * 2:     level = 7; break;
    default: Q_ASSERT(false);               level = 3; break;
    }
    return level;
}