/* $Id$ */

/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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/>.
 */

/** @file zoom_type.h Types related to zooming in and out. */

#ifndef ZOOM_TYPE_H
#define ZOOM_TYPE_H

#include "core/enum_type.hpp"

enum ZoomLevel {
	/* Our possible zoom-levels */
	ZOOM_LVL_BEGIN  = 0,
	ZOOM_LVL_NORMAL = 0,
	ZOOM_LVL_OUT_2X,
	ZOOM_LVL_OUT_4X,
	ZOOM_LVL_OUT_8X,
	ZOOM_LVL_END,

	/* Number of zoom levels */
	ZOOM_LVL_COUNT = ZOOM_LVL_END - ZOOM_LVL_BEGIN,

	/* Here we define in which zoom viewports are */
	ZOOM_LVL_VIEWPORT = ZOOM_LVL_NORMAL,
	ZOOM_LVL_NEWS     = ZOOM_LVL_NORMAL,
	ZOOM_LVL_INDUSTRY = ZOOM_LVL_OUT_2X,
	ZOOM_LVL_TOWN     = ZOOM_LVL_OUT_2X,
	ZOOM_LVL_AIRCRAFT = ZOOM_LVL_NORMAL,
	ZOOM_LVL_SHIP     = ZOOM_LVL_NORMAL,
	ZOOM_LVL_TRAIN    = ZOOM_LVL_NORMAL,
	ZOOM_LVL_ROADVEH  = ZOOM_LVL_NORMAL,
	ZOOM_LVL_WORLD_SCREENSHOT = ZOOM_LVL_NORMAL,

	ZOOM_LVL_DETAIL   = ZOOM_LVL_OUT_2X, ///< All zoomlevels below or equal to this, will result in details on the screen, like road-work, ...

	ZOOM_LVL_MIN      = ZOOM_LVL_NORMAL,
	ZOOM_LVL_MAX      = ZOOM_LVL_OUT_8X,
};
DECLARE_POSTFIX_INCREMENT(ZoomLevel)

typedef SimpleTinyEnumT<ZoomLevel, byte> ZoomLevelByte;

#endif /* ZOOM_TYPE_H */