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61 lines
2.5 KiB
C
61 lines
2.5 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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/** All zoom levels we know. */
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enum class ZoomLevel : uint8_t {
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/* Our possible zoom-levels */
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Begin = 0, ///< Begin for iteration.
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Min = Begin, ///< Minimum zoom level.
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In4x = Begin, ///< Zoomed 4 times in.
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In2x, ///< Zoomed 2 times in.
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Normal, ///< The normal zoom level.
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Out2x, ///< Zoomed 2 times out.
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Out4x, ///< Zoomed 4 times out.
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Out8x, ///< Zoomed 8 times out.
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Max = Out8x, ///< Maximum zoom level.
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End, ///< End for iteration.
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/* Here we define in which zoom viewports are */
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Viewport = Normal, ///< Default zoom level for viewports.
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News = Normal, ///< Default zoom level for the news messages.
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Industry = Out2x, ///< Default zoom level for the industry view.
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Town = Normal, ///< Default zoom level for the town view.
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Aircraft = Normal, ///< Default zoom level for the aircraft view.
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Ship = Normal, ///< Default zoom level for the ship view.
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Train = Normal, ///< Default zoom level for the train view.
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RoadVehicle = Normal, ///< Default zoom level for the road vehicle view.
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WorldScreenshot = Normal, ///< Default zoom level for the world screen shot.
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Detail = Out2x, ///< All zoom levels below or equal to this will result in details on the screen, like road-work, ...
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TextEffect = Out2x, ///< All zoom levels above this will not show text effects.
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};
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DECLARE_INCREMENT_DECREMENT_OPERATORS(ZoomLevel)
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DECLARE_ENUM_AS_SEQUENTIAL(ZoomLevel)
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using ZoomLevels = EnumBitSet<ZoomLevel, uint8_t>;
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static const uint ZOOM_BASE_SHIFT = to_underlying(ZoomLevel::Normal);
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static uint const ZOOM_BASE = 1U << ZOOM_BASE_SHIFT;
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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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