Program Listing for File occupancy_grid_plugin.h
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#ifndef MAPVIZ_PLUGINS__OCCUPANCY_GRID_PLUGIN_H_
#define MAPVIZ_PLUGINS__OCCUPANCY_GRID_PLUGIN_H_
#include <mapviz/mapviz_plugin.h>
// QT libraries
#include <QGLWidget>
#include <QObject>
#include <QWidget>
#include <QTimer>
// ROS libraries
#include <rclcpp/rclcpp.hpp>
#include <tf2/transform_datatypes.h>
#include <mapviz/map_canvas.h>
#include <nav_msgs/msg/occupancy_grid.hpp>
#include <map_msgs/msg/occupancy_grid_update.hpp>
// C++ standard libraries
#include <list>
#include <string>
#include <vector>
// QT autogenerated files
#include "ui_occupancy_grid_config.h"
namespace mapviz_plugins
{
class OccupancyGridPlugin : public mapviz::MapvizPlugin
{
Q_OBJECT
typedef std::array<uchar, 256*4> Palette;
public:
OccupancyGridPlugin();
~OccupancyGridPlugin() override = default;
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 SelectTopicGrid();
void TopicGridEdited();
void upgradeCheckBoxToggled(bool);
void colorSchemeUpdated(const QString &);
void DrawIcon() override;
void FrameChanged(std::string);
private:
Ui::occupancy_grid_config ui_;
QWidget* config_widget_;
nav_msgs::msg::OccupancyGrid::SharedPtr grid_;
rclcpp::Subscription<nav_msgs::msg::OccupancyGrid>::SharedPtr grid_sub_;
rclcpp::Subscription<map_msgs::msg::OccupancyGridUpdate>::SharedPtr update_sub_;
bool transformed_;
swri_transform_util::Transform transform_;
GLuint texture_id_;
QPointF map_origin_;
float texture_x_, texture_y_;
std::vector<uchar> raw_buffer_;
std::vector<uchar> color_buffer_;
uint32_t texture_size_;
Palette map_palette_;
Palette costmap_palette_;
void Callback(const nav_msgs::msg::OccupancyGrid::SharedPtr msg);
void CallbackUpdate(const map_msgs::msg::OccupancyGridUpdate::SharedPtr msg);
void updateTexture();
};
} // namespace mapviz_plugins
#endif // MAPVIZ_PLUGINS__OCCUPANCY_GRID_PLUGIN_H_