zoom_type.h

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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/>.
 */
 
#ifndef ZOOM_TYPE_H
#define ZOOM_TYPE_H
 
#include "core/enum_type.hpp"
 
enum ZoomLevel : uint8_t {
  /* Our possible zoom-levels */
  ZOOM_LVL_BEGIN  = 0, 
  ZOOM_LVL_IN_4X  = 0, 
  ZOOM_LVL_IN_2X,      
  ZOOM_LVL_NORMAL,     
  ZOOM_LVL_OUT_2X,     
  ZOOM_LVL_OUT_4X,     
  ZOOM_LVL_OUT_8X,     
  ZOOM_LVL_END,        
 
  /* 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_NORMAL, 
  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, 
  ZOOM_LVL_TEXT_EFFECT = ZOOM_LVL_OUT_2X, 
 
  ZOOM_LVL_MIN      = ZOOM_LVL_IN_4X, 
  ZOOM_LVL_MAX      = ZOOM_LVL_OUT_8X, 
};
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 */