Program Listing for File multires_image_plugin.h

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#ifndef MAPVIZ_PLUGINS_MULTIRES_IMAGE_PLUGIN_H_
#define MAPVIZ_PLUGINS_MULTIRES_IMAGE_PLUGIN_H_

// C++ standard libraries
#include <string>

// Boost libraries
#include <boost/filesystem.hpp>

#include <mapviz/mapviz_plugin.h>

// QT libraries
#include <QGLWidget>
#include <QObject>
#include <QWidget>

#include <mapviz/map_canvas.h>
#include <multires_image/tile_set.h>

#include <multires_image/multires_view.h>

// QT autogenerated files
#include "ui_multires_config.h"

namespace mapviz_plugins
{
  class MultiresImagePlugin : public mapviz::MapvizPlugin
  {
    Q_OBJECT

  public:
    MultiresImagePlugin();
    ~MultiresImagePlugin() override;

    bool Initialize(QGLWidget* canvas) override;
    void Shutdown() override {}

    void Draw(double x, double y, double scale) override;

    void Transform() override;

    void LoadConfig(const YAML::Node& node, const std::string& path) override;
    void SaveConfig(YAML::Emitter& emitter, const std::string& path) override;

    QWidget* GetConfigWidget(QWidget* parent) override;

  protected:
    void PrintError(const std::string& message) override;
    void PrintInfo(const std::string& message) override;
    void PrintWarning(const std::string& message) override;

  protected Q_SLOTS:
    void SelectFile();
    void AcceptConfiguration();
    void SetXOffset(double long_offset);
    void SetYOffset(double latitude_offset);

  private:
    bool     loaded_;
    double center_x_;
    double center_y_;
    double offset_x_;
    double offset_y_;

    multires_image::TileSet* tile_set_;
    MultiresView* tile_view_;

    Ui::multires_config ui_;
    QWidget* config_widget_;

    swri_transform_util::Transform transform_;
    swri_transform_util::Transform inverse_transform_;

    bool transformed_;

    void GetCenterPoint(double x, double y);

    boost::filesystem::path MakePathRelative(
      boost::filesystem::path path,
      boost::filesystem::path base);
  };
}

#endif  // MAPVIZ_PLUGINS_MULTIRES_IMAGE_PLUGIN_H_