src/Form/HLine.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 "HLine.hpp"
  25 #include "Look/DialogLook.hpp"
  26 #include "Screen/Canvas.hpp"
  27
  28 void
  29 HLine::OnPaint(Canvas &canvas)
  30 {
  31 #ifndef ENABLE_OPENGL
  32   canvas.Clear(look.background_color);
  33 #endif
  34
  35   const UPixelScalar width = canvas.GetWidth();
  36   const UPixelScalar height = canvas.GetHeight();
  37   const UPixelScalar middle = height / 2;
  38
  39   canvas.SelectBlackPen();
  40   canvas.DrawLine(0, middle, width, middle);
  41 }