1 files changed, 60 insertions, 0 deletions
diff --git a/src/views/zoomlevelinfo.cpp b/src/views/zoomlevelinfo.cpp
new file mode 100644
index 000000000..08e95e3ca
--- /dev/null
+++ b/src/views/zoomlevelinfo.cpp
@@ -0,0 +1,60 @@
+/***************************************************************************
+ *   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 16;
+}
+
+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;
+    default: size = KIconLoader::SizeHuge + ((level - 4) << 4);
+    }
+    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;
+    default: level = 4 + ((size.height() - KIconLoader::SizeHuge) >> 4);
+    }
+    return level;
+}