zoom_type.h

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00001 /* $Id: zoom_type.h 23316 2011-11-24 12:38:48Z peter1138 $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD 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, version 2.
00006  * OpenTTD 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.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #ifndef ZOOM_TYPE_H
00013 #define ZOOM_TYPE_H
00014 
00015 #include "core/enum_type.hpp"
00016 
00017 static int const ZOOM_LVL_SHIFT = 2;
00018 static int const ZOOM_LVL_BASE  = 1 << ZOOM_LVL_SHIFT;
00019 
00021 enum ZoomLevel {
00022   /* Our possible zoom-levels */
00023   ZOOM_LVL_BEGIN  = 0, 
00024   ZOOM_LVL_NORMAL = 0, 
00025   ZOOM_LVL_OUT_2X,     
00026   ZOOM_LVL_OUT_4X,     
00027   ZOOM_LVL_OUT_8X,     
00028   ZOOM_LVL_OUT_16X,    
00029   ZOOM_LVL_OUT_32X,    
00030   ZOOM_LVL_END,        
00031 
00032   ZOOM_LVL_COUNT = ZOOM_LVL_END - ZOOM_LVL_BEGIN, 
00033 
00034   /* Here we define in which zoom viewports are */
00035   ZOOM_LVL_VIEWPORT = ZOOM_LVL_OUT_4X, 
00036   ZOOM_LVL_GUI      = ZOOM_LVL_OUT_4X, 
00037   ZOOM_LVL_NEWS     = ZOOM_LVL_OUT_4X, 
00038   ZOOM_LVL_INDUSTRY = ZOOM_LVL_OUT_8X, 
00039   ZOOM_LVL_TOWN     = ZOOM_LVL_OUT_8X, 
00040   ZOOM_LVL_AIRCRAFT = ZOOM_LVL_OUT_4X, 
00041   ZOOM_LVL_SHIP     = ZOOM_LVL_OUT_4X, 
00042   ZOOM_LVL_TRAIN    = ZOOM_LVL_OUT_4X, 
00043   ZOOM_LVL_ROADVEH  = ZOOM_LVL_OUT_4X, 
00044   ZOOM_LVL_WORLD_SCREENSHOT = ZOOM_LVL_OUT_4X, 
00045 
00046   ZOOM_LVL_DETAIL   = ZOOM_LVL_OUT_8X, 
00047 
00048   ZOOM_LVL_MIN      = ZOOM_LVL_NORMAL, 
00049   ZOOM_LVL_MAX      = ZOOM_LVL_OUT_32X, 
00050 };
00051 DECLARE_POSTFIX_INCREMENT(ZoomLevel)
00052 
00053 
00054 typedef SimpleTinyEnumT<ZoomLevel, byte> ZoomLevelByte;
00055 
00056 #endif /* ZOOM_TYPE_H */