/*

ARIA header files for use with ARNL 1.7.1

Copyright(C) 2004, 2005 ActivMedia Robotics, LLC. 
Copyright(C) 2006, 2007, 2008, 2009 MobileRobots Inc.
All rights reserved.

This copy of Aria was relicensed for use with Arnl and the Arnl
license by MobileRobots Inc.  If you wish to download a seperate
distribution of Aria licensed under the GPL or a commercial license go to
http://www.mobilerobots.com/SOFTWARE/aria.html or contact MobileRobots
Inc, at robots@mobilerobots.com or MobileRobots Inc,
10 Columbia Drive, Amherst, NH 03031; 800-639-9481

MobileRobots Inc hereby grants to other individuals or
organizations permission to use this software with Arnl and in
compliance with the Arnl license.  This software may not be
distributed to others except by MobileRobots Inc.

MobileRobots Inc does not make any representations about the
suitability of this software for any purpose.  It is provided "as is"
without express or implied warranty.

*/
#ifndef ARRVISIONPTZ_H
#define ARRVISIONPTZ_H

#include "ariaTypedefs.h"
#include "ArBasePacket.h"
#include "ArPTZ.h"
#include "ArSerialConnection.h"
/// A class for for making commands to send to the RVision camera
/** There are only two functioning ways to put things into this packet,
 * uByteToBuf() and byte2ToBuf;  You
 *  MUST use thse, if you use anything else your commands won't work.  
*/
class ArRVisionPacket: public ArBasePacket
{
public:
  /// Constructor
  AREXPORT ArRVisionPacket(ArTypes::UByte2 bufferSize = 15);
  AREXPORT virtual ~ArRVisionPacket();
  
  AREXPORT virtual void uByteToBuf(ArTypes::UByte val);
  AREXPORT virtual void byte2ToBuf(ArTypes::Byte2 val);
  /// This is a new function, read the details before you try to use it
  AREXPORT void byte2ToBufAtPos(ArTypes::Byte2 val, ArTypes::UByte2 pose);
};

class ArRobot;

/// A class to use the RVision pan tilt zoom unit

class ArRVisionPTZ : public ArPTZ
{
public:
  AREXPORT ArRVisionPTZ(ArRobot *robot);
  AREXPORT virtual ~ArRVisionPTZ();
  
  AREXPORT virtual bool init(void);
  AREXPORT virtual bool pan(double degrees);
  AREXPORT virtual bool panRel(double degrees);
  AREXPORT virtual bool tilt(double degrees);
  AREXPORT virtual bool tiltRel(double degrees);
  AREXPORT virtual bool panTilt(double degreesPan, double degreesTilt);
  AREXPORT virtual bool panTiltRel(double degreesPan, double degreesTilt);
  AREXPORT virtual bool canZoom(void) const { return true; }
  AREXPORT virtual bool zoom(int zoomValue);
  AREXPORT virtual bool zoomRel(int zoomValue);
  AREXPORT virtual double getPan(void) const { return myPan; }
  AREXPORT virtual double getTilt(void) const { return myTilt; }
  AREXPORT virtual int getZoom(void) const { return myZoom; }
  //AREXPORT void getRealPanTilt(void);
  //AREXPORT void getRealZoomPos(void);
  AREXPORT virtual double getMaxPosPan(void) const { return MAX_PAN; }
  AREXPORT virtual double getMaxNegPan(void) const { return MIN_PAN; }
  AREXPORT virtual double getMaxPosTilt(void) const { return MAX_TILT; }
  AREXPORT virtual double getMaxNegTilt(void) const { return MIN_TILT; }
  AREXPORT virtual int getMaxZoom(void) const { return MAX_ZOOM; }
  AREXPORT virtual int getMinZoom(void) const { return MIN_ZOOM; }

  AREXPORT virtual bool canGetRealPanTilt(void) const { return false; }
  AREXPORT virtual bool canGetRealZoom(void) const { return false; }
  AREXPORT virtual bool canGetFOV(void) { return true; }
  /// Gets the field of view at maximum zoom
  AREXPORT virtual double getFOVAtMaxZoom(void) { return 4.4; }
  /// Gets the field of view at minimum zoom
  AREXPORT virtual double getFOVAtMinZoom(void) { return 48.8; }

  //AREXPORT bool packetHandler(ArBasePacket *packet);
  virtual ArBasePacket* readPacket(void);
  enum {
    MAX_PAN = 180, ///< maximum degrees the unit can pan (clockwise from top)
    MIN_PAN = -180, ///< minimum degrees the unit can pan (counterclockwise from top)
    MIN_TILT = -30, ///< minimum degrees the unit can tilt
    MAX_TILT = 60, ///< maximum degrees the unit can tilt
    MIN_ZOOM = 0, ///< minimum value for zoom
    MAX_ZOOM = 32767, ///< maximum value for zoom
    TILT_OFFSET_IN_DEGREES = 38, ///< offset value to convert internal camera coords to world
    PAN_OFFSET_IN_DEGREES = 190 ///< offset value to convert internal camera coords to world
  };
protected:
  void initializePackets(void);
  ArRobot *myRobot;
  double myPan;
  double myTilt;
  int myZoom;
  double myDegToTilt;
  double myDegToPan;
  double myPanOffsetInDegrees;
  double myTiltOffsetInDegrees;
  ArRVisionPacket myPacket;
  ArRVisionPacket myZoomPacket; 
  ArRVisionPacket myPanTiltPacket;
  ArRVisionPacket myInquiryPacket;
  ArDeviceConnection *myConn;
};

#endif // ARRVISIONPTZ_H