OpenTTD/src/zoom_type.h

61 lines
2.8 KiB
C

/*
* 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"
/** All zoom levels we know. */
enum ZoomLevel : uint8_t {
/* Our possible zoom-levels */
ZOOM_LVL_BEGIN = 0, ///< Begin for iteration.
ZOOM_LVL_IN_4X = 0, ///< Zoomed 4 times in.
ZOOM_LVL_IN_2X, ///< Zoomed 2 times in.
ZOOM_LVL_NORMAL, ///< 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_END, ///< End for iteration.
/* Here we define in which zoom viewports are */
ZOOM_LVL_VIEWPORT = ZOOM_LVL_NORMAL, ///< Default zoom level for viewports.
ZOOM_LVL_NEWS = ZOOM_LVL_NORMAL, ///< Default zoom level for the news messages.
ZOOM_LVL_INDUSTRY = ZOOM_LVL_OUT_2X, ///< Default zoom level for the industry view.
ZOOM_LVL_TOWN = ZOOM_LVL_NORMAL, ///< Default zoom level for the town view.
ZOOM_LVL_AIRCRAFT = ZOOM_LVL_NORMAL, ///< Default zoom level for the aircraft view.
ZOOM_LVL_SHIP = ZOOM_LVL_NORMAL, ///< Default zoom level for the ship view.
ZOOM_LVL_TRAIN = ZOOM_LVL_NORMAL, ///< Default zoom level for the train view.
ZOOM_LVL_ROADVEH = ZOOM_LVL_NORMAL, ///< Default zoom level for the road vehicle view.
ZOOM_LVL_WORLD_SCREENSHOT = ZOOM_LVL_NORMAL, ///< Default zoom level for the world screen shot.
ZOOM_LVL_DETAIL = ZOOM_LVL_OUT_2X, ///< All zoom levels below or equal to this will result in details on the screen, like road-work, ...
ZOOM_LVL_TEXT_EFFECT = ZOOM_LVL_OUT_2X, ///< All zoom levels above this will not show text effects.
ZOOM_LVL_MIN = ZOOM_LVL_IN_4X, ///< Minimum zoom level.
ZOOM_LVL_MAX = ZOOM_LVL_OUT_8X, ///< Maximum zoom level.
};
DECLARE_POSTFIX_INCREMENT(ZoomLevel)
DECLARE_ENUM_AS_ADDABLE(ZoomLevel)
static uint const ZOOM_BASE_SHIFT = static_cast<uint>(ZOOM_LVL_NORMAL);
static uint const ZOOM_BASE = 1U << ZOOM_BASE_SHIFT;
extern int _gui_scale;
extern int _gui_scale_cfg;
extern ZoomLevel _gui_zoom;
extern ZoomLevel _font_zoom;
#define ZOOM_LVL_GUI (_gui_zoom)
static const int MIN_INTERFACE_SCALE = 100;
static const int MAX_INTERFACE_SCALE = 500;
#endif /* ZOOM_TYPE_H */