| author | truelight |
| Tue, 15 May 2007 17:54:46 +0000 | |
| changeset 7124 | b45674a97d9e |
| parent 7122 | 0607a15aedc0 |
| child 7149 | ba2798e551a3 |
| permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file zoom.hpp */ |
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#ifndef ZOOM_HPP |
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#define ZOOM_HPP |
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enum ZoomLevel {
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/* Our possible zoom-levels */ |
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ZOOM_LVL_NORMAL = 0, |
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ZOOM_LVL_OUT_2X, |
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ZOOM_LVL_OUT_4X, |
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ZOOM_LVL_END, |
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/* Here we define in which zoom viewports are */ |
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ZOOM_LVL_VIEWPORT = ZOOM_LVL_NORMAL, |
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ZOOM_LVL_NEWS = ZOOM_LVL_NORMAL, |
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ZOOM_LVL_INDUSTRY = ZOOM_LVL_OUT_2X, |
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ZOOM_LVL_TOWN = ZOOM_LVL_OUT_2X, |
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ZOOM_LVL_AIRCRAFT = ZOOM_LVL_NORMAL, |
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ZOOM_LVL_SHIP = ZOOM_LVL_NORMAL, |
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ZOOM_LVL_TRAIN = ZOOM_LVL_NORMAL, |
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ZOOM_LVL_ROADVEH = ZOOM_LVL_NORMAL, |
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ZOOM_LVL_WORLD_SCREENSHOT = ZOOM_LVL_NORMAL, |
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ZOOM_LVL_DETAIL = ZOOM_LVL_OUT_2X, //! 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, |
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ZOOM_LVL_MAX = ZOOM_LVL_OUT_4X, |
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}; |
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extern ZoomLevel _saved_scrollpos_zoom; |
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static inline int ScaleByZoom(int value, ZoomLevel zoom) |
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{
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int izoom = (int)zoom - (int)ZOOM_LVL_NORMAL; |
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return (zoom > ZOOM_LVL_NORMAL) ? value << izoom : value >> izoom; |
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} |
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static inline int UnScaleByZoom(int value, ZoomLevel zoom) |
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{
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int izoom = (int)zoom - (int)ZOOM_LVL_NORMAL; |
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return (zoom > ZOOM_LVL_NORMAL) ? value >> izoom : value << izoom; |
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} |
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#endif /* ZOOM_HPP */ |