src/Formatter/AirspaceUserUnitsFormatter.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 "AirspaceFormatter.hpp"
  25
  26 #include "Engine/Airspace/AbstractAirspace.hpp"
  27 #include "Engine/Airspace/AirspaceAltitude.hpp"
  28 #include "Util/StaticString.hpp"
  29 #include "Units/Units.hpp"
  30 #include "Units/Descriptor.hpp"
  31
  32 void
  33 AirspaceFormatter::FormatAltitudeShort(TCHAR *buffer,
  34                                        const AirspaceAltitude &altitude)
  35 {
  36   switch (altitude.reference) {
  37   case AltitudeReference::AGL:
  38     if (!positive(altitude.altitude_above_terrain))
  39       _tcscpy(buffer, _T("GND"));
  40     else
  41       _stprintf(buffer, _T("%d %s AGL"),
  42                 iround(Units::ToUserAltitude(altitude.altitude_above_terrain)),
  43                 Units::GetAltitudeName());
  44     break;
  45
  46   case AltitudeReference::STD:
  47     _stprintf(buffer, _T("FL%d"), (int)altitude.flight_level);
  48     break;
  49
  50   case AltitudeReference::MSL:
  51     _stprintf(buffer, _T("%d %s"),
  52               iround(Units::ToUserAltitude(altitude.altitude)),
  53               Units::GetAltitudeName());
  54     break;
  55
  56   case AltitudeReference::NONE:
  57     *buffer = _T('\0');
  58     break;
  59   }
  60 }
  61
  62 void
  63 AirspaceFormatter::FormatAltitude(TCHAR *buffer,
  64                                   const AirspaceAltitude &altitude)
  65 {
  66   FormatAltitudeShort(buffer, altitude);
  67
  68   if ((altitude.reference == AltitudeReference::MSL ||
  69        altitude.reference == AltitudeReference::AGL) &&
  70       Units::GetUserAltitudeUnit() == Unit::METER)
  71     /* additionally show airspace altitude in feet, because aviation
  72        charts usually print altitudes in feet */
  73     _stprintf(buffer + _tcslen(buffer), _T(" (%d %s)"),
  74               iround(Units::ToUserUnit(altitude.altitude, Unit::FEET)),
  75               Units::GetUnitName(Unit::FEET));
  76
  77   if (altitude.reference != AltitudeReference::MSL &&
  78       positive(altitude.altitude))
  79     _stprintf(buffer + _tcslen(buffer), _T(" %d %s"),
  80               iround(Units::ToUserAltitude(altitude.altitude)),
  81               Units::GetAltitudeName());
  82 }