src/OCCViewer/OCCViewer_ViewPort3d.h

   1 //  File      : OCCViewer_ViewPort3d.h
   2 //  Created   : Wed Mar 20 10:48:51 2002
   3 //  Author    : Nicolas REJNERI
   4 //  Project   : SALOME
   5 //  Module    : OCCViewer
   6 //  Copyright : Open CASCADE 2002
   7 //  $Header$
   8
   9 #ifndef OCCViewer_ViewPort3d_H
  10 #define OCCViewer_ViewPort3d_H
  11
  12 #include "OCCViewer_ViewPort.h"
  13 #include "OCCViewer_VService.h"
  14
  15 #include "QAD.h"
  16
  17 // Open CASCADE Includes
  18 #include <Standard.hxx>
  19 #include <V3d_View.hxx>
  20 #include <V3d_Viewer.hxx>
  21
  22 // QT Includes
  23 #include <qwidget.h>
  24 #include <qrect.h>
  25 #include <qcolor.h>
  26 #include <qpainter.h>
  27 #include <qapplication.h>
  28
  29 class QAD_EXPORT OCCViewer_ViewPort3d: public OCCViewer_ViewPort
  30 {
  31   Q_OBJECT
  32
  33  public:
  34   OCCViewer_ViewPort3d( QWidget* parent, const Handle( V3d_Viewer)& viewer,
  35                         V3d_TypeOfView  viewType = V3d_ORTHOGRAPHIC,
  36                         OCCViewer_ViewPort* prevView = 0,
  37                         const QRect* magnify = 0 );
  38   ~OCCViewer_ViewPort3d();
  39
  40   /* view 3D management */
  41   Handle (V3d_View)       setView( const Handle( V3d_View )& );
  42   Handle (V3d_View)       getView() const;
  43   Handle (V3d_Viewer)     getViewer() const;
  44   V3d_TypeOfView          setViewType( V3d_TypeOfView type );
  45
  46   /* popup management */
  47   void                    onCreatePopup();
  48
  49   /* view transformations */
  50   void                    activateGlobalPanning();
  51   void                    fitAll( bool withZ = true );
  52   void                    reset();
  53
  54   /* background */
  55   void                    setBackgroundColor( const QColor& color);
  56   QColor                  backgroundColor() const;
  57
  58   protected slots:
  59     void                  onChangeBackgroundColor();
  60
  61  protected:
  62   void                    paintEvent(QPaintEvent *ev);
  63
  64  private:
  65   bool                  setWindow();
  66   void                  windowResize();
  67   void                  pan(int dx, int dy);
  68   void                  setCenter(int x, int y);
  69   void                  fitWindow( const QRect& rect);
  70   void                  zoom(int x0, int y0, int x, int y);
  71   void                  startRotation(int x0, int y0);
  72   void                  rotate(int x, int y);
  73   void                  endRotation();
  74
  75  private:
  76   Handle (V3d_View)             myActiveView;
  77   bool                          myDegenerated;
  78   double                                myCurScale;
  79 };
  80
  81 #endif
  82