1 files changed, 51 insertions, 0 deletions
diff --git a/src/views/zoomlevelinfo.h b/src/views/zoomlevelinfo.h
new file mode 100644
index 000000000..a6e92e653
--- /dev/null
+++ b/src/views/zoomlevelinfo.h
@@ -0,0 +1,51 @@
+/***************************************************************************
+ *   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            *
+ ***************************************************************************/
+
+#ifndef ZOOMLEVELINFO_H
+#define ZOOMLEVELINFO_H
+
+class QSize;
+
+/**
+ * @short Helper class for getting information about the zooming
+ *        capabilities.
+ */
+class ZoomLevelInfo {
+public:
+    static int minimumLevel();
+    static int maximumLevel();
+    
+    /**
+     * Helper method for the view implementation to get
+     * the icon size for the zoom level \a level that
+     * is between the range ZoomLevelInfo::minimumLevel() and
+     * ZoomLevelInfo::maximumLevel().
+     */
+    static int iconSizeForZoomLevel(int level);
+    
+    /**
+     * Helper method for the view implementation to get
+     * the zoom level for the icon size \a size that
+     * is between the range ZoomLevelInfo::minimumLevel() and
+     * ZoomLevelInfo::maximumLevel().
+     */
+    static int zoomLevelForIconSize(const QSize& size);
+};
+
+#endif