MapPainterOpenGL.h

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#ifndef OSMSCOUT_MAP_MAPPAINTEROPENGL_H
#define OSMSCOUT_MAP_MAPPAINTEROPENGL_H

/*
  This source is part of the libosmscout-map library
  Copyright (C) 2013  Tim Teulings
  Copyright (C) 2017  Fanny Monori

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/

#define GLEW_STATIC

#include <GL/glew.h>

#include <osmscout/MapOpenGLFeatures.h>

#include <osmscout/OpenGLMapData.h>

#include <osmscout/MapOpenGLImportExport.h>
#include <osmscout/TextLoader.h>

namespace osmscout {
  class OSMSCOUT_MAP_OPENGL_API MapPainterOpenGL
   {
  private:

    int width;
    int height;
    double dpi;

    int screenWidth;
    int screenHeight;

    float minLon;
    float minLat;
    float maxLon;
    float maxLat;

    float lookX;
    float lookY;

    OpenGLMapData AreaRenderer;
    OpenGLMapData GroundTileRenderer;
    OpenGLMapData GroundRenderer;
    OpenGLMapData WayRenderer;
    OpenGLMapData ImageRenderer;
    OpenGLMapData TextRenderer;

    TextLoader Textloader;

    osmscout::MapData MapData;
    osmscout::StyleConfigRef styleConfig;
    osmscout::MapParameter Parameter;
    osmscout::FillStyleRef landFill;
    osmscout::FillStyleRef seaFill;
    osmscout::GeoCoord Center;
    osmscout::Magnification Magnification;

    void ProcessAreas(const osmscout::MapData &data, const osmscout::MapParameter &parameter,
                      const osmscout::Projection &projection, const osmscout::StyleConfigRef &styleConfig);

    void ProcessGround(const osmscout::MapData &data, const osmscout::MapParameter &parameter,
                       const osmscout::Projection &projection, const osmscout::StyleConfigRef &styleConfig);

    void ProcessWays(const osmscout::MapData &data, const osmscout::MapParameter &parameter,
                     const osmscout::Projection &projection,
                     const osmscout::StyleConfigRef &styleConfig);

    void ProcessNodes(const osmscout::MapData &data, const osmscout::MapParameter &parameter,
                      const osmscout::Projection &projection,
                      const osmscout::StyleConfigRef &styleConfig);

    void SwapAreaData();

    void SwapGroundData();

    void SwapNodeData();

    void SwapWayData();

    void AddPathVertex(osmscout::Point current, osmscout::Point previous, osmscout::Point next,
                       osmscout::Color color, int type, float width, glm::vec3 barycentric, int border = 0,
                       double z = 0, float dashsize = 0.0, float length = 1,
                       osmscout::Color gapcolor = osmscout::Color(1.0, 1.0, 1.0, 1.0));

    bool PixelToGeo(double x, double y, double &lon, double &lat);

    bool IsVisibleArea(const Projection &projection, const GeoBox &boundingBox, double pixelOffset);

  public:

    MapPainterOpenGL(int width, int height, double dpi, int screenWidth, int screenHeight, std::string fontPath);

    ~MapPainterOpenGL();

    void OnZoom(float zoomDirection);

    void OnTranslation(int startPointX, int startPointY, int endPointX, int endPointY);

    osmscout::GeoCoord GetCenter();

    void ProcessData(const osmscout::MapData &data, const osmscout::MapParameter &parameter,
                     const osmscout::Projection &projection, const osmscout::StyleConfigRef &styleConfig);

    void SwapData();

    void DrawMap();

  };
}

#endif