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74 lines
3.3 KiB
C
74 lines
3.3 KiB
C
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file zoom_type.h Types related to zooming in and out. */
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#ifndef ZOOM_TYPE_H
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#define ZOOM_TYPE_H
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#include "core/enum_type.hpp"
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static uint const ZOOM_LVL_SHIFT = 2;
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static int const ZOOM_LVL_BASE = 1 << ZOOM_LVL_SHIFT;
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/** All zoom levels we know. */
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enum ZoomLevel : byte {
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/* Our possible zoom-levels */
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ZOOM_LVL_BEGIN = 0, ///< Begin for iteration.
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ZOOM_LVL_NORMAL = 0, ///< The normal zoom level.
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ZOOM_LVL_OUT_2X, ///< Zoomed 2 times out.
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ZOOM_LVL_OUT_4X, ///< Zoomed 4 times out.
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ZOOM_LVL_OUT_8X, ///< Zoomed 8 times out.
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ZOOM_LVL_OUT_16X, ///< Zoomed 16 times out.
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ZOOM_LVL_OUT_32X, ///< Zoomed 32 times out.
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ZOOM_LVL_OUT_64X, ///< Zoomed 64 times out.
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ZOOM_LVL_OUT_128X, ///< Zoomed 128 times out.
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ZOOM_LVL_OUT_256X, ///< Zoomed 256 times out.
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ZOOM_LVL_OUT_512X, ///< Zoomed 512 times out.
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ZOOM_LVL_END, ///< End for iteration.
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/* Here we define in which zoom viewports are */
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ZOOM_LVL_VIEWPORT = ZOOM_LVL_OUT_4X, ///< Default zoom level for viewports.
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ZOOM_LVL_NEWS = ZOOM_LVL_OUT_4X, ///< Default zoom level for the news messages.
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ZOOM_LVL_INDUSTRY = ZOOM_LVL_OUT_8X, ///< Default zoom level for the industry view.
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ZOOM_LVL_TOWN = ZOOM_LVL_OUT_4X, ///< Default zoom level for the town view.
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ZOOM_LVL_AIRCRAFT = ZOOM_LVL_OUT_4X, ///< Default zoom level for the aircraft view.
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ZOOM_LVL_SHIP = ZOOM_LVL_OUT_4X, ///< Default zoom level for the ship view.
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ZOOM_LVL_TRAIN = ZOOM_LVL_OUT_4X, ///< Default zoom level for the train view.
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ZOOM_LVL_ROADVEH = ZOOM_LVL_OUT_4X, ///< Default zoom level for the road vehicle view.
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ZOOM_LVL_WORLD_SCREENSHOT = ZOOM_LVL_OUT_4X, ///< Default zoom level for the world screen shot.
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ZOOM_LVL_DETAIL = ZOOM_LVL_OUT_8X, ///< All zoomlevels below or equal to this, will result in details on the screen, like road-work, ...
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ZOOM_LVL_MIN = ZOOM_LVL_NORMAL, ///< Minimum zoom level.
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ZOOM_LVL_MAX = ZOOM_LVL_OUT_512X, ///< Maximum zoom level.
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ZOOM_LVL_DRAW_MAP = ZOOM_LVL_OUT_64X, ///< All zoomlevels above or equal to this are rendered with map style
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ZOOM_LVL_DRAW_SPR = ZOOM_LVL_DRAW_MAP - 1, ///< All zoomlevels below or equal to this are rendered with sprites
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ZOOM_LVL_SPR_END = ZOOM_LVL_DRAW_MAP, ///< End for iteration of zoom levels to draw with sprites.
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ZOOM_LVL_SPR_COUNT = ZOOM_LVL_SPR_END - ZOOM_LVL_BEGIN, ///< Number of zoom levels to draw with sprites.
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};
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DECLARE_POSTFIX_INCREMENT(ZoomLevel)
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DECLARE_ENUM_AS_ADDABLE(ZoomLevel)
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inline uint8_t ZoomMask(ZoomLevel level)
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{
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return 1 << level;
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}
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extern int _gui_scale;
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extern int _gui_scale_cfg;
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extern ZoomLevel _gui_zoom;
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extern ZoomLevel _font_zoom;
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#define ZOOM_LVL_GUI (_gui_zoom)
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static const int MIN_INTERFACE_SCALE = 100;
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static const int MAX_INTERFACE_SCALE = 500;
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#endif /* ZOOM_TYPE_H */
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