ContrastDialogForm.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/ContrastDialogForm.h
 
  \brief This file defines a class for a Contrast dialog.
*/
 
#ifndef __TERRALIB_QT_WIDGETS_RP_INTERNAL_CONTRASTDIALOGFORM_H
#define __TERRALIB_QT_WIDGETS_RP_INTERNAL_CONTRASTDIALOGFORM_H
 
// TerraLib
#ifndef Q_MOC_RUN
#include "../../../maptools/AbstractLayer.h"
#include "../../../qt/widgets/rp/RpToolsWidget.h"
#endif
#include "../../../rp/Contrast.h"
#include "../../../se/ChannelSelection.h"
#include "../../../qt/widgets/canvas/MapDisplay.h"
#include "../Config.h"
#include "InputLayerWidget.h"
#include "OutputRasterWidget.h"
 
// STL
#include <memory>
 
// Qt
#include <qcombobox.h>
#include <QDialog>
#include <QActionGroup>
 
// Forward declaration
namespace Ui { class ContrastDialogForm; }
 
namespace te
{
  namespace qt
  {
    namespace af
    {
      namespace evt
      {
        struct Event;
      }
    }
 
    namespace widgets
    {
      class RasterHistogramWidget;
 
      /*!
        \class ContrastDialogForm
 
        \brief This class is GUI used to define the contrast parameters for the RP constast operation.
      */
      class TEQTWIDGETSEXPORT ContrastDialogForm : public QDialog
      {
        Q_OBJECT
 
        public:
 
          ContrastDialogForm(QWidget* parent = 0);
 
          ~ContrastDialogForm();
 
        public:
 
          void resetWindow(te::map::AbstractLayerPtr layer);
 
          /*!
            \brief This method is used to set the selected layer for contrast operation
            
            \param layer The layer ptr 
 
            \note This layer MUST HAVE a valid raster object.
          */
          void setList(std::list<te::map::AbstractLayerPtr>& layerList);
 
          void setMapDisplay(te::qt::widgets::MapDisplay* mapDisplay);
 
          void setActionGroup(QActionGroup* actionGroup);
 
          te::map::AbstractLayerPtr get();
 
          te::rp::Contrast::InputParameters getInputParams();
 
          te::map::AbstractLayerPtr getOutputLayer();
 
          void onMapDisplayExtentChanged();
 
        protected:
 
          void fillContrastTypes();
 
          void listBands();
 
          void applyPreview();
 
          // draw the internal raster preview using the stored raster in m_previewRasterPtr
          void drawPreviewRaster();
 
          void drawGeom();
 
          void setDefaultValues(int contrastType);
 
          void drawInputHistogram();
          
          void drawOutputHistogram();
 
          void applyHistogram();
 
          void getRasterFromROI();
 
          bool execute();
 
          void setDisableInterface(bool enabled);
 
          void clearCanvas();
 
          te::se::ChannelSelection* getChannelSelection();
 
          void closeEvent(QCloseEvent*);
          
          void resetInputHistogram();
          
          void resetOutputHistogram();
          
          /*!
            \brief Get the current selected input band index.
            \param bandIdx the current selected input band index.
            \return true if at least one band is selected, false if no selected/checked bands ware found.
          */
          bool getSelectInputBandIdx( unsigned int& bandIdx );
          
          /*!
            \brief Get the current selected output band index.
            \param bandIdx the current selected output band index.
            \return true if at least one band is selected, false if no selected/checked bands ware found.
          */
          bool getSelectOutputBandIdx( unsigned int& bandIdx );          
          
          /*!
            \brief Get the current checked band indexes;
            \param bandIndexes The current checked band indexes.
          */
          void getCheckedInputBandIndexes( std::vector< unsigned int> & bandIndexes );
 
        protected slots:
 
          void onAllImageRadioButtonToggled(bool isChecked);
 
          void onContrastTypeComboBoxActivated(int index);
 
          void onCellClicked(int row, int column);
 
          void onCellDoubleClicked(int row, int column);
 
          void onCellChanged(int row, int column);
 
          void onMinValueSelected(int value, int band);
 
          void onMinValueSelected(double value, int band);
 
          void onMaxValueSelected(int value, int band);
 
          void onMaxValueSelected(double value, int band);
 
          void onOkPushButtonClicked();
 
          void layerChanged();
 
          void onApplyPreviewClicked();
 
          void onRoiRadioButtonToggled(bool isChecked);
 
          void onVisibleAreaRadioButtonToggled(bool isChecked);
 
          void onApplicationTriggered(te::qt::af::evt::Event* e);
 
          void onEnvelopeAcquired(te::gm::Envelope env);
 
          void onBandChecked();
 
          void onResetValuesToolButtonClicked();
 
          void onInfoToolButtonClicked();
          
          void onEableDisableHistoToolButtonClicked(bool checked);
 
        signals:
 
          void addLayer(te::map::AbstractLayerPtr layer);
 
          void closeTool();
 
        private:
 
          std::unique_ptr<Ui::ContrastDialogForm> m_ui;
          std::unique_ptr<te::qt::widgets::RpToolsWidget> m_navigator;
          std::unique_ptr<te::qt::widgets::RasterHistogramWidget> m_histogramWidget;
          std::unique_ptr<te::qt::widgets::RasterHistogramWidget> m_histogramWidget2;
 
          te::map::AbstractLayerPtr m_layer;
          te::qt::widgets::InputLayerWidget* m_inputWidget;
          te::qt::widgets::OutputRasterWidget* m_outputWidget;
          te::map::AbstractLayerPtr m_outputLayer;
          te::qt::widgets::MapDisplay* m_mapDisplay;
 
          std::unique_ptr<te::rst::Raster> m_raster;
          std::unique_ptr<te::rst::Raster> m_previewRasterPtr;
          std::unique_ptr<te::gm::Geometry> m_geom;
 
          std::vector<double> m_minValue;
          std::vector<double> m_maxValue;
          std::string m_lastText;
          QString m_information;
 
          bool m_updatePreview;
      };
 
    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te
 
#endif  // __TERRALIB_QT_WIDGETS_RP_INTERNAL_CONTRASTDIALOGFORM_H