diff options
Diffstat (limited to 'src/zoom.hpp')
| -rw-r--r-- | src/zoom.hpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/zoom.hpp b/src/zoom.hpp index 64a2a1397..fc57b0139 100644 --- a/src/zoom.hpp +++ b/src/zoom.hpp @@ -22,8 +22,25 @@ enum ZoomLevel { 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, //! All zoomlevels below or equal to this, will result in details on the screen, like road-work, ... + + ZOOM_LVL_MIN = ZOOM_LVL_NORMAL, + ZOOM_LVL_MAX = ZOOM_LVL_OUT_4X, }; extern ZoomLevel _saved_scrollpos_zoom; +static inline int ScaleByZoom(int value, ZoomLevel zoom) +{ + int izoom = (int)zoom - (int)ZOOM_LVL_NORMAL; + return (zoom > ZOOM_LVL_NORMAL) ? value >> izoom : value << izoom; +} + +static inline int UnScaleByZoom(int value, ZoomLevel zoom) +{ + int izoom = (int)zoom - (int)ZOOM_LVL_NORMAL; + return (zoom > ZOOM_LVL_NORMAL) ? value << izoom : value >> izoom; +} + #endif /* ZOOM_HPP */ |