src/VTKViewer/VTKViewer_RenderWindow.cxx

   1 #include "VTKViewer_RenderWindow.h"
   2
   3 #include <qcolordialog.h>
   4 #include <qpopupmenu.h>
   5
   6 #include <stdlib.h>
   7 #include <math.h>
   8
   9 #include <vtkRenderWindowInteractor.h>
  10 #include <vtkRendererCollection.h>
  11 #include <vtkCamera.h>
  12 #ifndef WNT
  13 #include <vtkXOpenGLRenderWindow.h>
  14 //#include <GL/gl.h>
  15 //#include <GL/glu.h>
  16 //#include <qgl.h>
  17 #endif
  18
  19 #if QT_VERSION > 300
  20 #include <qcursor.h>
  21 #endif
  22
  23 //****************************************************************
  24 VTKViewer_RenderWindow::VTKViewer_RenderWindow(QWidget* parent, const char* name) :
  25 QWidget(parent, name,
  26         Qt::WStyle_NoBorder | Qt::WDestructiveClose |
  27         Qt::WResizeNoErase | Qt::WRepaintNoErase)
  28 {
  29   myRW = vtkRenderWindow::New();
  30 #ifndef WNT
  31   myRW->SetDisplayId((void*)x11Display());
  32 #endif
  33   myRW->SetWindowId((void*)winId());
  34   myRW->DoubleBufferOn();
  35   setMouseTracking(true);
  36 }
  37
  38 //****************************************************************
  39 VTKViewer_RenderWindow::~VTKViewer_RenderWindow()
  40 {
  41   myRW->Delete();
  42 }
  43
  44 //****************************************************************
  45 void VTKViewer_RenderWindow::paintEvent(QPaintEvent* theEvent)
  46 {
  47   myRW->Render();
  48 }
  49
  50 //****************************************************************
  51 void VTKViewer_RenderWindow::resizeEvent(QResizeEvent* theEvent)
  52 {
  53   int aWidth = myRW->GetSize()[0], aHeight = myRW->GetSize()[1];
  54   if(vtkRenderWindowInteractor* aRWI = myRW->GetInteractor())
  55     aRWI->UpdateSize(width(), height());
  56   if(aWidth != width() || aHeight != height()){
  57     vtkRendererCollection * aRenderers = myRW->GetRenderers();
  58     aRenderers->InitTraversal();
  59     double aCoeff = 1.0;
  60     if(vtkRenderer *aRenderer = aRenderers->GetNextItem()){
  61       vtkCamera *aCamera = aRenderer->GetActiveCamera();
  62       double aScale = aCamera->GetParallelScale();
  63       if((aWidth - width())*(aHeight - height()) > 0)
  64         aCoeff = sqrt(double(aWidth)/double(width())*double(height())/double(aHeight));
  65       else
  66         aCoeff = double(aWidth)/double(width());
  67       aCamera->SetParallelScale(aScale*aCoeff);
  68     }
  69   }
  70 }
  71
  72 //****************************************************************
  73 void VTKViewer_RenderWindow::mouseMoveEvent(QMouseEvent* event)
  74 {
  75   emit MouseMove(event) ;
  76 }
  77
  78 //****************************************************************
  79 void VTKViewer_RenderWindow::mousePressEvent(QMouseEvent* event)
  80 {
  81   emit MouseButtonPressed( event );
  82 }
  83
  84 //****************************************************************
  85 void VTKViewer_RenderWindow::mouseReleaseEvent( QMouseEvent *event )
  86 {
  87   emit MouseButtonReleased( event );
  88 }
  89
  90 //****************************************************************
  91 void VTKViewer_RenderWindow::mouseDoubleClickEvent( QMouseEvent* event )
  92 {
  93   emit MouseDoubleClicked( event );
  94 }
  95
  96 //****************************************************************
  97 void VTKViewer_RenderWindow::keyPressEvent (QKeyEvent* event)
  98 {
  99   emit KeyPressed(event) ;
 100 }
 101
 102 //****************************************************************
 103 void VTKViewer_RenderWindow::keyReleaseEvent (QKeyEvent * event)
 104 {
 105   emit KeyReleased(event) ;
 106 }
 107
 108 //****************************************************************
 109 void VTKViewer_RenderWindow::wheelEvent(QWheelEvent* event)
 110 {
 111   emit WheelMoved(event) ;
 112 }
 113
 114 //****************************************************************
 115 void VTKViewer_RenderWindow::onChangeBackgroundColor()
 116 {
 117   //float red, green, blue;
 118   float backint[3];
 119
 120   vtkRendererCollection * theRenderers = myRW->GetRenderers();
 121   theRenderers->InitTraversal();
 122   vtkRenderer * theRenderer = theRenderers->GetNextItem();
 123   theRenderer->GetBackground(backint);
 124
 125   QColor selColor = QColorDialog::getColor ( QColor(int(backint[0]*255), int(backint[1]*255), int(backint[2]*255)), NULL );
 126   if ( selColor.isValid() ) {
 127     theRenderer->SetBackground( selColor.red()/255., selColor.green()/255., selColor.blue()/255. );
 128     /* VSR : PAL5420 ---------------------------------------------------
 129     SUIT_CONFIG->addSetting( "VTKViewer:BackgroundColorRed",   selColor.red() );
 130     SUIT_CONFIG->addSetting( "VTKViewer:BackgroundColorGreen", selColor.green() );
 131     SUIT_CONFIG->addSetting( "VTKViewer:BackgroundColorBlue",  selColor.blue() );
 132     VSR : PAL5420 --------------------------------------------------- */
 133   }
 134 }
 135
 136 //****************************************************************
 137 void VTKViewer_RenderWindow::contextMenuEvent ( QContextMenuEvent * e )
 138 {
 139   if ( e->reason() != QContextMenuEvent::Mouse )
 140     emit contextMenuRequested( e );
 141 }