otbGlWidget.h

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/*=========================================================================

  Program:   ORFEO Toolbox
  Language:  C++
  Date:      $Date$
  Version:   $Revision$


  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
  See OTBCopyright.txt for details.


     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __otbGlWidget_h
#define __otbGlWidget_h

// FLTK includes
#include <FL/gl.h>
#include <FL/Fl.H>
#include "FL/Fl_Gl_Window.H"

#include "itkFixedArray.h"
#include "itkPoint.h"

#include "otbImageWidgetController.h"

namespace otb
{
class GlWidget
  : public Fl_Gl_Window, public itk::Object
{
public:
  typedef GlWidget                      Self;
  typedef itk::Object                   Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(GlWidget, Object);

  typedef otb::ImageWidgetController ControllerType;
  typedef ControllerType::Pointer    ControllerPointerType;

  typedef itk::Point<double, 2> PointType;

  typedef itk::FixedArray<float, 4> ColorType;

  itkSetObjectMacro(Controller, ControllerType);
  itkGetObjectMacro(Controller, ControllerType);

  virtual void resize(int x, int y, int w, int h);

  itkSetMacro(UseGlAcceleration, bool);
  itkGetMacro(UseGlAcceleration, bool);
  itkBooleanMacro(UseGlAcceleration);

  itkSetStringMacro(Identifier);
  itkGetStringMacro(Identifier);

  itkSetMacro(BackgroundColor, ColorType);
  itkGetMacro(BackgroundColor, ColorType);

  PointType GetMousePosition();

protected:
  GlWidget();
  virtual ~GlWidget();
  virtual void PrintSelf(std::ostream& os, itk::Indent indent) const;
  virtual void draw(void);
  virtual int  handle(int event);

private:
  GlWidget(const Self&);    // purposely not implemented
  void operator =(const Self&); // purposely not implemented

  std::string m_Identifier;

  ControllerPointerType m_Controller;

  bool m_UseGlAcceleration;

  ColorType m_BackgroundColor;

}; // end class
} // end namespace otb

#endif