spectrum_display.h

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/*
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#ifndef ROBOT_NAV_VIZ_DEMOS_SPECTRUM_DISPLAY_H
#define ROBOT_NAV_VIZ_DEMOS_SPECTRUM_DISPLAY_H

#include <rviz/display.h>
#include <rviz/display_context.h>
#include <rviz/ogre_helpers/arrow.h>
#include <rviz/properties/enum_property.h>
#include <rviz/properties/color_property.h>
#include <rviz/properties/int_property.h>
#include <rviz/properties/float_property.h>
#include <vector>

namespace robot_nav_rviz_plugins
{
class SpectrumDisplay: public rviz::Display
{
Q_OBJECT
public:
  SpectrumDisplay();
  void reset() override;

protected:
  void onInitialize() override;

private Q_SLOTS:
  void updateSize();
  void updateColors();

private:
  enum struct SpectrumStyle {rgb, hsv, short_hsv};
  SpectrumStyle getSpectrumStyle() const { return static_cast<SpectrumStyle>(spectrum_property_->getOptionInt()); }

  std::vector<rviz::Arrow*> arrows_;

  rviz::EnumProperty* spectrum_property_;
  rviz::ColorProperty* color_a_property_;
  rviz::FloatProperty* alpha_a_property_;
  rviz::ColorProperty* color_b_property_;
  rviz::FloatProperty* alpha_b_property_;
  rviz::IntProperty* size_property_;
};
}  // namespace robot_nav_rviz_plugins

#endif  // ROBOT_NAV_VIZ_DEMOS_SPECTRUM_DISPLAY_H