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/*
* 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"
static uint const ZOOM_LVL_SHIFT = 2;
static uint const ZOOM_LVL_BASE = 1 << ZOOM_LVL_SHIFT;
static const int8 ZOOM_LVL_CFG_AUTO = -1;
/** All zoom levels we know. */
enum ZoomLevel : byte {
/* Our possible zoom-levels */
ZOOM_LVL_BEGIN = 0, ///< Begin for iteration.
ZOOM_LVL_NORMAL = 0, ///< The normal zoom level.
ZOOM_LVL_OUT_2X, ///< Zoomed 2 times out.
ZOOM_LVL_OUT_4X, ///< Zoomed 4 times out.
ZOOM_LVL_OUT_8X, ///< Zoomed 8 times out.
ZOOM_LVL_OUT_16X, ///< Zoomed 16 times out.
ZOOM_LVL_OUT_32X, ///< Zoomed 32 times out.
ZOOM_LVL_END, ///< End for iteration.
ZOOM_LVL_COUNT = ZOOM_LVL_END - ZOOM_LVL_BEGIN, ///< Number of zoom levels.
/* Here we define in which zoom viewports are */
ZOOM_LVL_VIEWPORT = ZOOM_LVL_OUT_4X, ///< Default zoom level for viewports.
ZOOM_LVL_NEWS = ZOOM_LVL_OUT_4X, ///< Default zoom level for the news messages.
ZOOM_LVL_INDUSTRY = ZOOM_LVL_OUT_8X, ///< Default zoom level for the industry view.
ZOOM_LVL_TOWN = ZOOM_LVL_OUT_8X, ///< Default zoom level for the town view.
ZOOM_LVL_AIRCRAFT = ZOOM_LVL_OUT_4X, ///< Default zoom level for the aircraft view.
ZOOM_LVL_SHIP = ZOOM_LVL_OUT_4X, ///< Default zoom level for the ship view.
ZOOM_LVL_TRAIN = ZOOM_LVL_OUT_4X, ///< Default zoom level for the train view.
ZOOM_LVL_ROADVEH = ZOOM_LVL_OUT_4X, ///< Default zoom level for the road vehicle view.
ZOOM_LVL_WORLD_SCREENSHOT = ZOOM_LVL_OUT_4X, ///< Default zoom level for the world screen shot.
ZOOM_LVL_DETAIL = ZOOM_LVL_OUT_8X, ///< All zoomlevels below or equal to this, will result in details on the screen, like road-work, ...
ZOOM_LVL_MIN = ZOOM_LVL_NORMAL, ///< Minimum zoom level.
ZOOM_LVL_MAX = ZOOM_LVL_OUT_32X, ///< Maximum zoom level.
};
DECLARE_POSTFIX_INCREMENT(ZoomLevel)
extern int8 _gui_zoom_cfg;
extern int8 _font_zoom_cfg;
extern ZoomLevel _gui_zoom;
extern ZoomLevel _font_zoom;
#define ZOOM_LVL_GUI (_gui_zoom)
#define ZOOM_LVL_FONT (_font_zoom)
#endif /* ZOOM_TYPE_H */
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