#ifndef DISABLE_VTKVIEWER
#include <SVTK_ViewModel.h>
#include <SVTK_ViewWindow.h>
+ #include <SVTK_Renderer.h>
+
+ #include <vtkCamera.h>
+ #include <vtkRenderer.h>
#endif
#ifndef DISABLE_PLOT2DVIEWER
#include <SPlot2d_ViewWindow.h>
{
setView( __ViewBack );
}
+
+/*
+ \fn bool SALOMEGUI_Swig::getViewParameters()
+ \brief Get camera parameters of the active view.
+
+ NOTE: For the current moment implemented for VTK viewer only.
+
+ \return \c string with the view parameters
+*/
+
+class TGetViewParameters: public SALOME_Event
+{
+public:
+ typedef QString TResult;
+ TResult myResult;
+ TGetViewParameters() : myResult( "" ) {}
+ virtual void Execute() {
+ if ( LightApp_Application* anApp = getApplication() ) {
+ if ( SUIT_ViewWindow* window = anApp->desktop()->activeWindow() ) {
+#ifndef DISABLE_VTKVIEWER
+ if ( SVTK_ViewWindow* svtk = dynamic_cast<SVTK_ViewWindow*>( window ) ) {
+ if ( vtkRenderer* ren = svtk->getRenderer()) {
+ if ( vtkCamera* camera = ren->GetActiveCamera() ) {
+ double pos[3], focalPnt[3], viewUp[3], scale[3], parScale;
+
+ // save position, focal point, viewUp, scale
+ camera->GetPosition( pos );
+ camera->GetFocalPoint( focalPnt );
+ camera->GetViewUp( viewUp );
+ parScale = camera->GetParallelScale();
+ svtk->GetRenderer()->GetScale( scale );
+
+ myResult += QString("Camera Position = ( %1, %2, %3 )\n").arg(pos[0]).arg(pos[1]).arg(pos[2]);
+ myResult += QString("Camera Focal Point = ( %1, %2, %3 )\n").arg(focalPnt[0]).arg(focalPnt[1]).arg(focalPnt[2]);
+ myResult += QString("Camera View Up = ( %1, %2, %3 )\n").arg(viewUp[0]).arg(viewUp[1]).arg(viewUp[2]);
+ myResult += QString("View Scale = (%1, %2, %3, %4 )").arg(parScale).arg(scale[0]).arg(scale[1]).arg(scale[2]);
+ }
+ }
+ }
+#endif
+ }
+ }
+ }
+};
+
+const char* SALOMEGUI_Swig::getViewParameters() {
+ QString result = ProcessEvent( new TGetViewParameters() );
+ return result.isEmpty() ? 0 : strdup( result.toLatin1().constData() );
+}
+
+
+/*!
+ \brief View parameter type.
+ \internal
+*/
+enum {
+ __CameraPosition, //!< position of the active camera
+ __CameraFocalPoint, //!< focal point of the active camera
+ __CameraViewUp, //!< view up of the active camera
+ __ViewScale //!< scale of the view
+};
+
+
+/*!
+ \brief Change the camera parameters of the current view window.
+ \internal
+
+ NOTE: For the current moment implemented for VTK viewer only.
+
+ \param parameter type of the parameter
+ \param values value of the parameter
+*/
+static void setViewParameter( int parameter, QList<double>& values ) {
+ class TEvent: public SALOME_Event {
+ private:
+ int myParameter;
+ QList<double> myValues;
+ public:
+ TEvent( int parameter , QList<double>& values ) : myParameter(parameter), myValues( values ) {}
+
+ virtual void Execute() {
+ if ( LightApp_Application* anApp = getApplication() ) {
+ if ( SUIT_ViewWindow* window = anApp->desktop()->activeWindow() ) {
+ if ( SVTK_ViewWindow* svtk = dynamic_cast<SVTK_ViewWindow*>( window ) ) {
+ if ( vtkRenderer* ren = svtk->getRenderer()) {
+ if ( vtkCamera* camera = ren->GetActiveCamera() ) {
+ switch(myParameter) {
+ case __CameraPosition : {
+ if ( myValues.size() == 3 ) {
+ camera->SetPosition( myValues[0], myValues[1], myValues[2] );
+ }
+ break;
+ }
+ case __CameraFocalPoint : {
+ if ( myValues.size() == 3 ) {
+ camera->SetFocalPoint( myValues[0], myValues[1], myValues[2] );
+ }
+ break;
+ }
+ case __CameraViewUp : {
+ if ( myValues.size() == 3 ) {
+ camera->SetViewUp( myValues[0], myValues[1], myValues[2] );
+ }
+ break;
+ }
+ case __ViewScale : {
+ if ( myValues.size() == 4 ) {
+ camera->SetParallelScale( myValues[0] );
+ double scale[] = { myValues[1], myValues[2], myValues[3] };
+ svtk->GetRenderer()->SetScale( scale );
+ }
+ break;
+ }
+ default: break;
+ }
+ }
+ }
+ svtk->Repaint();
+ }
+ }
+ }
+ }
+ };
+ ProcessVoidEvent( new TEvent( parameter, values ) );
+}
+
+/*!
+ \brief Set camera position of the active view .
+ \param x - X coordinate of the camera
+ \param y - Y coordinate of the camera
+ \param z - Z coordinate of the camera
+*/
+void SALOMEGUI_Swig::setCameraPosition( double x, double y, double z ) {
+ QList<double> lst;
+ lst.push_back( x );
+ lst.push_back( y );
+ lst.push_back( z );
+ setViewParameter( __CameraPosition, lst );
+}
+
+/*!
+ \brief Set camera focal point of the active view.
+ \param x - X coordinate of the focal point
+ \param y - Y coordinate of the focal point
+ \param z - Z coordinate of the focal point
+*/
+void SALOMEGUI_Swig::setCameraFocalPoint( double x, double y, double z ) {
+ QList<double> lst;
+ lst.push_back( x );
+ lst.push_back( y );
+ lst.push_back( z );
+ setViewParameter( __CameraFocalPoint, lst );
+}
+
+/*!
+ \brief Set the view up direction for the camera.
+ \param x - X component of the direction vector
+ \param y - Y component of the direction vector
+ \param z - Z component of the direction vector
+*/
+void SALOMEGUI_Swig::setCameraViewUp( double x, double y, double z ) {
+ QList<double> lst;
+ lst.push_back( x );
+ lst.push_back( y );
+ lst.push_back( z );
+ setViewParameter( __CameraViewUp, lst );
+}
+
+/*!
+ \brief Set view scale.
+ \param parallelScale - scaling used for a parallel projection.
+ \param x - X scale
+ \param y - Y scale
+ \param z - Z scale
+*/
+void SALOMEGUI_Swig::setViewScale( double parallelScale, double x, double y, double z ) {
+ QList<double> lst;
+ lst.push_back( parallelScale );
+ lst.push_back( x );
+ lst.push_back( y );
+ lst.push_back( z );
+ setViewParameter( __ViewScale, lst );
+}
+
+
