src/MapWindow/MapWindowTrail.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 "MapWindow.hpp"
  25 #include "Renderer/TrailRenderer.hpp"
  26 #include "Computer/GlideComputer.hpp"
  27
  28 void
  29 MapWindow::RenderTrail(Canvas &canvas, const RasterPoint aircraft_pos)
  30 {
  31   unsigned min_time = std::max(0, (int)Basic().time - 600);
  32   DrawTrail(canvas, aircraft_pos, min_time);
  33 }
  34
  35 void
  36 MapWindow::DrawTrail(Canvas &canvas, const RasterPoint aircraft_pos,
  37                      unsigned min_time, bool enable_traildrift)
  38 {
  39   if (glide_computer)
  40     trail_renderer.Draw(canvas, glide_computer->GetTraceComputer(),
  41                         render_projection, min_time,
  42                         enable_traildrift, aircraft_pos,
  43                         Basic(), Calculated(), GetMapSettings().trail);
  44 }