TextVisual.h

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//-----------------------------------------------------------------------------
/*
* Software License Agreement (BSD License)
*
*  Copyright (c) 2013-2015, Timm Linder, Social Robotics Lab, University of Freiburg
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#ifndef TEXT_VISUAL_H
#define TEXT_VISUAL_H

#include <rviz/ogre_helpers/shape.h>
#include <rviz/ogre_helpers/movable_text.h>
#include <OGRE/OgreSceneNode.h>
#include <OGRE/OgreSceneManager.h>

namespace tuw_multi_robot_rviz
{
class TextVisual
{
public:
    TextVisual ( Ogre::SceneManager* sceneManager, Ogre::SceneNode* parentNode, Ogre::Vector3 position = Ogre::Vector3::ZERO ) : m_sceneManager(sceneManager){
      m_sceneNode = parentNode->createChildSceneNode();

      m_text = new rviz::MovableText("text");
      m_text->setTextAlignment(rviz::MovableText::H_CENTER, rviz::MovableText::V_BELOW);
      m_sceneNode->attachObject(m_text);

      setCharacterHeight(1.0);
      setPosition(position);
      setVisible(true);

    };

    ~TextVisual() {
      m_sceneManager->destroySceneNode(m_sceneNode->getName());
      delete m_text;
    };

    void setCharacterHeight ( double characterHeight ){
      m_text->setCharacterHeight(characterHeight);
      m_text->setSpaceWidth(0.3 * characterHeight);
    };

    double getCharacterHeight(){
      return m_text->getCharacterHeight();
    };

    void setCaption ( const std::string& caption ){
      m_text->setCaption(caption);
    };

    void setPosition ( const Ogre::Vector3& position ){
      m_sceneNode->setPosition(position);
    };

    void setVisible ( bool visible ){
      m_sceneNode->setVisible(visible, true);
    };

    void setColor ( const Ogre::ColourValue& c ){
      m_text->setColor(c);
    };

    void showOnTop ( bool onTop = true ){
      m_text->showOnTop(onTop);
    };

private:
    Ogre::SceneManager* m_sceneManager;
    Ogre::SceneNode* m_sceneNode;
    rviz::MovableText* m_text;
};

}

#endif // TEXT_VISUAL_H