ContrastDialog.h

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/*  Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.

    This file is part of the TerraLib - a Framework for building GIS enabled applications.

    TerraLib is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License,
    or (at your option) any later version.

    TerraLib is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
 */

/*!
  \file terralib/qt/widgets/rp/ContrastDialog.h

  \brief A dialog used to execute image contrast enhencement.
*/

#ifndef __TERRALIB_QT_WIDGETS_RP_INTERNAL_CONTRASTDIALOG_H
#define __TERRALIB_QT_WIDGETS_RP_INTERNAL_CONTRASTDIALOG_H

// TerraLib
#include "../Config.h"
#ifndef Q_MOC_RUN
#include "../../../raster/Raster.h"
#endif

// Qt
#include <QDialog>

// STL

#include <map>
#include <string>

// Boost
#ifndef Q_MOC_RUN
#include <boost/shared_ptr.hpp>
#endif
#include <terralib/qt/widgets/se/BasicFillDialog.h>

// Forward user interface declaration
namespace Ui
{
  class ContrastForm;
}

namespace te
{
  namespace qt
  {
    namespace widgets
    {
      /*!
        \class ContrastDialog

        \brief A dialog used to execute image contrast enhencement.
      */
      class TEQTWIDGETSEXPORT ContrastDialog : public QDialog
      {
        Q_OBJECT
        
        public:

          /*! \brief Constructs a basic dialog which is a child of parent, with widget flags set to f. 
          
              \param inputRasterPtr Input raster pointer.
              
              \param outpuRasterDSType Output raster data source type (as described in te::raster::RasterFactory ).
              
              \param outpuRasterInfo The necessary information to create the raster (as described in te::raster::RasterFactory). 
              
              \param parent Parent widget pointer.
              
              \param f Widget flags.
          */
          ContrastDialog(te::rst::Raster const* inputRasterPtr, 
            const std::string& outpuRasterDSType, 
            const std::map< std::string, std::string >& outpuRasterInfo,
            QWidget* parent = 0, 
            Qt::WindowFlags f = 0);
            
          /*! \brief Constructs a basic dialog which is a child of parent, with widget flags set to f. 
          
              \param rasterPtr Raster pointer (this is both input and output raster, the result be written to this raster).
              
              \param parent Parent widget pointer.
              
              \param f Widget flags.              
          */
          ContrastDialog(te::rst::Raster const* rasterPtr, 
            QWidget* parent = 0, 
            Qt::WindowFlags f = 0);            

          /*! \brief Destructor. */
          ~ContrastDialog();

          /*! \brief Returns the output result raster.
          
              \param outputRasterPtr A pointer to the output result raster
              
              \return true if OK, false on errors.
          */
          bool getOutputRaster( boost::shared_ptr< te::rst::Raster >& outputRasterPtr );
          
        protected slots:

          void on_okPushButton_clicked();

        private:

          Ui::ContrastForm* m_uiPtr; //! User interface.
          te::rst::Raster const* m_inputRasterPtr; //! Input raster pointer.
          bool m_outputRasterIsInputRaster; //! true if the output raster is the input raster.
          std::string m_outpuRasterDSType; //! Output raster data source type (as described in te::raster::RasterFactory ).
          std::map< std::string, std::string > m_outpuRasterInfo; //! The necessary information to create the raster (as described in te::raster::RasterFactory). 
          boost::shared_ptr< te::rst::Raster > m_outputRasterPtr; //! Output raster pointer.
      }; 

    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te

#endif  // __TERRALIB_QT_WIDGETS_RP_INTERNAL_CONTRASTDIALOG_H