OverlayWidget.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/canvas/OverlayWidget.h
 
  \brief This file has the OverlayWidget class.
*/
 
#ifndef __TERRALIB_QT_WIDGETS_CANVAS_INTERNAL_OVERLAYWIDGET_H
#define __TERRALIB_QT_WIDGETS_CANVAS_INTERNAL_OVERLAYWIDGET_H
 
// TerraLib
#ifndef Q_MOC_RUN
#include "../../../maptools/AbstractLayer.h"
#endif
#include "../Config.h"
 
// STL
#include <memory>
 
// Qt
#include <QWidget>
 
namespace Ui { class OverlayWidgetForm; }
 
namespace te
{
  namespace qt
  {
    namespace widgets
    {
      class MultiThreadMapDisplay;
      class Pan;
      class ZoomWheel;
 
      /*!
        \class OverlayWidget
 
        \brief This class is used to define a component for viewing overlaid layers.
      */
      class TEQTWIDGETSEXPORT OverlayWidget : public QWidget
      {
        Q_OBJECT
 
        public:
 
          OverlayWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
 
          ~OverlayWidget();
 
        public:
 
          Ui::OverlayWidgetForm* getForm() const;
 
          void setList(std::list<te::map::AbstractLayerPtr>& layerList);
 
        protected slots:
 
          void onApplyToolButtonClicked();
 
          void onMapDisplayExtentChanged();
 
          void onOpacityChanged(int value);
 
          void onVSliderChanged(int value);
 
          void onHSliderChanged(int value);
 
          void onHideToolButtonClicked(bool flag);
 
        protected:
 
          void drawUpperLayer();
 
          void updateSliderBarSize();
 
        private:
 
         std::unique_ptr<Ui::OverlayWidgetForm> m_ui;
 
         te::qt::widgets::MultiThreadMapDisplay* m_mapDisplay;
         te::qt::widgets::Pan* m_panTool;                          //!< Pan tool 
         te::qt::widgets::ZoomWheel* m_zoomTool;                   //!< Zoom tool
 
         QPixmap* m_draft;
         QPixmap* m_draftOriginal;
      }; 
 
    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te
 
#endif  // __TERRALIB_QT_WIDGETS_CANVAS_INTERNAL_OVERLAYWIDGET_H