src/Units/Units.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "Units/Units.hpp"
  25 #include "Units/Descriptor.hpp"
  26 #include "Atmosphere/Pressure.hpp"
  27
  28 UnitSetting Units::current = {
  29   Unit::KILOMETER,
  30   Unit::METER,
  31   Unit::DEGREES_CELCIUS,
  32   Unit::KILOMETER_PER_HOUR,
  33   Unit::METER_PER_SECOND,
  34   Unit::KILOMETER_PER_HOUR,
  35   Unit::KILOMETER_PER_HOUR,
  36   Unit::HECTOPASCAL,
  37 };
  38
  39 void
  40 Units::SetConfig(const UnitSetting &new_config)
  41 {
  42   current = new_config;
  43 }
  44
  45 Unit
  46 Units::GetUserDistanceUnit()
  47 {
  48   return current.distance_unit;
  49 }
  50
  51 Unit
  52 Units::GetUserAltitudeUnit()
  53 {
  54   return current.altitude_unit;
  55 }
  56
  57 Unit
  58 Units::GetUserTemperatureUnit()
  59 {
  60   return current.temperature_unit;
  61 }
  62
  63 Unit
  64 Units::GetUserSpeedUnit()
  65 {
  66   return current.speed_unit;
  67 }
  68
  69 Unit
  70 Units::GetUserTaskSpeedUnit()
  71 {
  72   return current.task_speed_unit;
  73 }
  74
  75 Unit
  76 Units::GetUserVerticalSpeedUnit()
  77 {
  78   return current.vertical_speed_unit;
  79 }
  80
  81 Unit
  82 Units::GetUserWindSpeedUnit()
  83 {
  84   return current.wind_speed_unit;
  85 }
  86
  87 Unit
  88 Units::GetUserPressureUnit()
  89 {
  90   return current.pressure_unit;
  91 }
  92
  93 Unit
  94 Units::GetUserUnitByGroup(UnitGroup group)
  95 {
  96   return current.GetByGroup(group);
  97 }
  98
  99 const TCHAR *
 100 Units::GetSpeedName()
 101 {
 102   return GetUnitName(GetUserSpeedUnit());
 103 }
 104
 105 const TCHAR *
 106 Units::GetVerticalSpeedName()
 107 {
 108   return GetUnitName(GetUserVerticalSpeedUnit());
 109 }
 110
 111 const TCHAR *
 112 Units::GetWindSpeedName()
 113 {
 114   return GetUnitName(GetUserWindSpeedUnit());
 115 }
 116
 117 const TCHAR *
 118 Units::GetDistanceName()
 119 {
 120   return GetUnitName(GetUserDistanceUnit());
 121 }
 122
 123 const TCHAR *
 124 Units::GetAltitudeName()
 125 {
 126   return GetUnitName(GetUserAltitudeUnit());
 127 }
 128
 129 const TCHAR *
 130 Units::GetTemperatureName()
 131 {
 132   return GetUnitName(GetUserTemperatureUnit());
 133 }
 134
 135 const TCHAR *
 136 Units::GetTaskSpeedName()
 137 {
 138   return GetUnitName(GetUserTaskSpeedUnit());
 139 }
 140
 141 const TCHAR *
 142 Units::GetPressureName()
 143 {
 144   return GetUnitName(GetUserPressureUnit());
 145 }
 146
 147 fixed
 148 Units::ToUserPressure(AtmosphericPressure value)
 149 {
 150   return ToUserPressure(value.GetHectoPascal());
 151 }
 152
 153 AtmosphericPressure
 154 Units::FromUserPressure(fixed value)
 155 {
 156   return AtmosphericPressure::HectoPascal(ToSysPressure(value));
 157 }