Ruler.hh

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/*===========================================================================*\
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#include <QObject>
#include <QString>

#include <ACG/Scenegraph/LineNode.hh>
#include <ACG/Scenegraph/TextNode.hh>
#include <OpenFlipper/common/BaseObjectData.hh>

class Ruler : public QObject
{
  Q_OBJECT
signals:
  void updateView();

public:
  Ruler(BaseObjectData *_obj,const QString &_pluginName, unsigned _index);
  ~Ruler();

  void setPoints(const ACG::Vec3d& _start,const ACG::Vec3d& _end);
  void setStartPoint(const ACG::Vec3d& _start);
  void setEndPoint(const ACG::Vec3d& _end);
  void setTextOffset(const ACG::Vec3d& offset);

  const ACG::Vec3d* points() const{return points_;}

  const BaseObject* getBaseObj(){return obj_;}

  float textScale(){return textNode_->lastScale();}

public slots:

  // set text size in pixels
  void setTextSize(const unsigned _size){textNode_->setPixelSize(_size); emit updateView();}

private:

  void updateNodes();

  const QString pluginName_;
  const std::string lineNodeName_;
  const std::string textNodeName_;
  const std::string textTransformNodeName_;

  ACG::SceneGraph::LineNode* lineNode_;
  ACG::SceneGraph::TextNode* textNode_;
  ACG::SceneGraph::TransformNode* textTransformNode_;

  ACG::Vec3d points_[2];
  ACG::Vec3d offset_;
  BaseObjectData* obj_;
};