src/Terrain/TerrainRenderer.hpp

   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 #ifndef XCSOAR_TERRAIN_RENDERER_HPP
  25 #define XCSOAR_TERRAIN_RENDERER_HPP
  26
  27 #include "RasterRenderer.hpp"
  28 #include "Util/NonCopyable.hpp"
  29 #include "Util/Serial.hpp"
  30 #include "Terrain/TerrainSettings.hpp"
  31
  32 #ifndef ENABLE_OPENGL
  33 #include "Projection/CompareProjection.hpp"
  34 #endif
  35
  36 class Canvas;
  37 class WindowProjection;
  38 class RasterTerrain;
  39 struct ColorRamp;
  40
  41 class TerrainRenderer : private NonCopyable {
  42   const RasterTerrain *terrain;
  43
  44   Serial terrain_serial;
  45
  46 protected:
  47   struct TerrainRendererSettings settings;
  48
  49 #ifndef ENABLE_OPENGL
  50   CompareProjection compare_projection;
  51 #endif
  52
  53   Angle last_sun_azimuth;
  54
  55   const ColorRamp *last_color_ramp;
  56
  57   RasterRenderer raster_renderer;
  58
  59 public:
  60   TerrainRenderer(const RasterTerrain *_terrain);
  61   virtual ~TerrainRenderer() {}
  62
  63 protected:
  64   void CopyTo(Canvas &canvas, unsigned width, unsigned height) const;
  65
  66 public:
  67   const TerrainRendererSettings &GetSettings() const {
  68     return settings;
  69   }
  70
  71   void SetSettings(const TerrainRendererSettings &_settings);
  72
  73   virtual void Generate(const WindowProjection &map_projection,
  74                         const Angle sunazimuth);
  75
  76   void Draw(Canvas &canvas, const WindowProjection &map_projection) const;
  77 };
  78
  79 #endif