Dt3DTextModelInstance.h

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/******************************************************************************
** Copyright (c) 2009 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: Dt3DTextModelInstance.h,v $ $Revision: 1.0 $ $State: Exp $
******************************************************************************/


#ifndef Dt3DTextModelInstance_H_
#define Dt3DTextModelInstance_H_

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtOsgModelInstance.h>

#include <osg/Geode>
#include <osg/MatrixTransform>

namespace makVrv
{
   class DT_DLL_VRVOSG Dt3DTextModelInstance : public DtOsgModelInstance
   {
   public:

      struct TextParameters
      {
         float rColor; // RGB red value
         float gColor; // RGB green value
         float bColor; // RGB blue value
         bool flashing; // Like HTML blink
         std::string text; // The text to display
         std::string font; // The font used to render the text
         int fontSize; // Character size in pixels
      };

      static const TextParameters defaultParameters;

      friend class Dt3DTextModelInstanceCreator;

      Dt3DTextModelInstance(DtDe& de);

      virtual ~Dt3DTextModelInstance();

      virtual void setColor(float r, float g, float b);

      virtual void setText(const std::string& text);

      virtual void setFont(const std::string& fontName);

      virtual void setFontSize(int sizeInPixels);

      virtual bool realize(DtModelDefinition& definition);

      virtual void  addToConnector( DtOsgSceneConnector* connector );

      virtual bool removeFromConnector( DtOsgSceneConnector* connector );

      virtual void setVisible(bool isVisible) {}

   protected:

      virtual void build(const TextParameters& parameters);

      TextParameters myParameters;

      osg::ref_ptr<osg::Geode> myGeode;
   };

   class DT_DLL_VRVOSG Dt3DTextModelInstanceCreator : public DtModelInstanceCreator
   {
   public:

      static void registerCreator(DtDe& de);

      virtual ~Dt3DTextModelInstanceCreator ();

      virtual DtModelInstance* create(DtDe& de);

   protected:

      Dt3DTextModelInstanceCreator ();
   };
}

#endif