tcViewportWidget.h

   1 /***************************************************************************
   2  *   This file is part of Tecorrec.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   Tecorrec is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   Tecorrec is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with Tecorrec.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 #ifndef _tcViewportWidget_h_
  21 #define _tcViewportWidget_h_
  22
  23 /**
  24  * @file tcViewportWidget.h
  25  * @brief OpenGL viewport widget.
  26  */
  27
  28 #include <QGLWidget>
  29 #include <QPointF>
  30
  31 class tcObserver;
  32 class tcGlobe;
  33
  34 /// OpenGL viewport widget.
  35 class tcViewportWidget : public QGLWidget
  36 {
  37     Q_OBJECT
  38
  39   public:
  40
  41     /*
  42      * Constructors + destructor
  43      */
  44
  45     /// Primary constructor.
  46     tcViewportWidget(QWidget* parent);
  47
  48     /// Destructor.
  49     virtual ~tcViewportWidget();
  50
  51     /*
  52      * Modifiers
  53      */
  54
  55     /// Set the globe object.
  56     void setGlobe(tcGlobe* globe);
  57
  58   public slots:
  59
  60     /*
  61      * Elevation modification slots
  62      */
  63
  64     /// Go to flat elevation mode.
  65     void setElevationFlat();
  66
  67     /// Go to raw SRTM elevation mode.
  68     void setElevationRaw();
  69
  70     /// Go to corrected elevation mode.
  71     void setElevationCorrected();
  72
  73     /// Set the level of correction applied to the elevation data.
  74     void setElevationCorrection(int correction);
  75
  76   protected:
  77
  78     /*
  79      * Rendering
  80      */
  81
  82     // Reimplemented
  83     virtual void initializeGL();
  84
  85     // Reimplemented
  86     virtual void resizeGL(int w, int h);
  87
  88     // Reimplemented
  89     virtual void paintGL();
  90
  91     /*
  92      * Mouse events
  93      */
  94
  95     // Reimplemented
  96     virtual void mouseMoveEvent(QMouseEvent* event);
  97
  98     // Reimplemented
  99     virtual void mousePressEvent(QMouseEvent* event);
 100
 101     // Reimplemented
 102     virtual void mouseReleaseEvent(QMouseEvent* event);
 103
 104     // Reimplemented
 105     virtual void wheelEvent(QWheelEvent* event);
 106
 107   private:
 108
 109     /*
 110      * Variables
 111      */
 112
 113     /// Observer.
 114     tcObserver* m_observer;
 115
 116     /// Globe to display.
 117     tcGlobe* m_globe;
 118
 119     /*
 120      * Interaction
 121      */
 122
 123     /// Are we currently interacting?
 124     bool m_mouseInteracting;
 125
 126     /// Previous mouse position.
 127     QPointF m_mousePos;
 128 };
 129
 130 #endif
 131