Program: bbtk
Module: $RCSfile: bbwxvtkViewer2D.cxx,v $
Language: C++
- Date: $Date: 2008/03/03 13:14:27 $
- Version: $Revision: 1.1 $
+ Date: $Date: 2008/06/19 09:46:49 $
+ Version: $Revision: 1.9 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "vtkInteractorStyleImage.h"
#include "vtkCamera.h"
#include "vtkRenderer.h"
-
+#include <vtkInteractorStyleImage.h>
+#include <vtkCommand.h>
wxvtkrenderwindowinteractor = new wxVTKRenderWindowInteractor(panel,-1);
wxvtkrenderwindowinteractor->UseCaptureMouseOn();
+
+ imageViewer = vtkImageViewer2::New();
+ imageViewer->SetSlice( 1 );
+ imageViewer->SetupInteractor ( wxvtkrenderwindowinteractor );
+
+ mDefaultImage = vtkImageData::New();
+ int dim[3];
+ dim[0] = dim[1] = 32 ;
+ dim[2] = 2;
+ mDefaultImage->SetDimensions ( dim );
+ mDefaultImage->SetSpacing(1,1,1);
+ mDefaultImage->SetExtent(0,dim[0]-1,0,dim[1]-1,0,dim[2]-1);
+ mDefaultImage->SetWholeExtent(0,dim[0]-1,0,dim[1]-1,0,dim[2]-1);
+
+ mDefaultImage->SetScalarTypeToUnsignedChar();
+ mDefaultImage->AllocateScalars();
+ for (int i=0;i<dim[0];i++)
+ for (int j=0;j<dim[1];j++)
+ for (int k=0;k<dim[2];k++)
+ mDefaultImage->SetScalarComponentFromFloat(i,j,k,0,0);
+
+ for (int i=0;i<dim[0];i++)
+ {
+ mDefaultImage->SetScalarComponentFromFloat(dim[0]-i-1,i,0,0,255);
+ mDefaultImage->SetScalarComponentFromFloat(i,i,1,0,255);
+ }
+
+ backImageData = mDefaultImage;
+ imageViewer->SetInput( backImageData );
+ mUpdateCamera = true;
+
wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
sizer -> Add( wxvtkrenderwindowinteractor , 1, wxEXPAND, 0);
panel -> SetSizer(sizer);
panel -> SetAutoLayout(true);
panel -> Layout();
- backImageData = NULL;
- imageViewer = NULL;
-
-
}
//-------------------------------------------------------------------------
Viewer2DWidget::~Viewer2DWidget()
{
+ // delete wxvtkrenderwindowinteractor;
+ // pourquoi pas wxvtkrenderwindowinteractor->Delete(); // JP
+ // LG : because it has been allocated with operator new not method ::New
+ // we want to force its destruction without taking care of vtk ref counting
+ // on the contrary the following vtk objects are deleted with vtk Delete
+ // std::cout << "Viewer2DWidget::~Viewer2DWidget()" << std::endl;
+ mDefaultImage->Delete();
+
+ if (backImageData)
+ {
+ // backImageData->UnRegister(NULL);
+ }
+ if (imageViewer)
+ {
+ imageViewer->Delete();
+ }
delete wxvtkrenderwindowinteractor;
-// pourquoi pas wxvtkrenderwindowinteractor->Delete(); // JP
+ // std::cout << "Viewer2DWidget::~Viewer2DWidget() OK" << std::endl;
}
//-------------------------------------------------------------------------
- void Viewer2DWidget::Update()
+ void Viewer2DWidget::UpdateView()
{
+ // std::cout << "Viewer2DWidget::UpdateView() "<<mBox->bbGetFullName() << std::endl;
+ // std::cout << "slice="<<mBox->bbGetInputSlice()<<std::endl;
- if (imageViewer==NULL){
- imageViewer = vtkImageViewer2::New();
- imageViewer->SetupInteractor ( wxvtkrenderwindowinteractor );
- }
-
- // Viewer2D* mbbtkViewer2D = (Viewer2D*)GetBlackBox();
-
-
-
- // imageViewer->SetSliceOrientation(((Viewer2D*)GetBlackBox())->bbGetInputOrientation());
-
- if ( backImageData != mBox->bbGetInputIn() )
+ if ( ( mBox->bbGetInputIn() == NULL ) &&
+ ( backImageData != mDefaultImage ) )
+ {
+ backImageData = mDefaultImage;
+ mUpdateCamera = true;
+ }
+ else if ( ( mBox->bbGetInputIn() != NULL ) &&
+ (backImageData != mBox->bbGetInputIn()) )
{
backImageData = mBox->bbGetInputIn();
- imageViewer->SetInput( backImageData );
backImageData->Update();
+ imageViewer->SetInput( backImageData );
+ mUpdateCamera = true;
+ }
+
+ if (mUpdateCamera)
+ {
int x1,x2,y1,y2,z1,z2;
double spx,spy,spz;
backImageData->GetSpacing(spx,spy,spz);
backImageData->GetExtent (x1,x2,y1,y2,z1,z2);
- bbtkMessage("Output",2,"Viewer2D '"<<mBox->bbGetName()<<"' - Image :"<<std::endl);
- bbtkMessage("Output",2," extent = "<< x1<<"-"<<x2<<" x "<<y1<<"-"<<y2<<" x "<<z1<<"-"<<z2<<std::endl);
- bbtkMessage("Output",2," spacing = "<<spx << " - "<< spy << " - "<<spz<<std::endl);
-
+ // bbtkMessage("Output",2,"Viewer2D '"<<mBox->bbGetName()<<"' - Image :"<<std::endl);
+ // std::cout << " extent = "<< x1<<"-"<<x2<<" x "<<y1<<"-"<<y2<<" x "<<z1<<"-"<<z2<<std::endl;
+ // std::cout << " spacing = "<<spx << " - "<< spy << " - "<<spz<<std::endl;
+
vtkCamera *camera = imageViewer->GetRenderer()->GetActiveCamera();
- camera->SetViewUp ( spx*0, -spy*1, spz*0);
- camera->SetPosition( spx*(x1+x2)/2, spy*(y1+y2)/2, -spz*10000000);
- camera->SetFocalPoint ( spx*(x1+x2)/2 , spy*(y1+y2)/2 , spz*0);
-
+ camera->SetViewUp ( spx*0, -spy*1, spz*0 );
+ camera->SetPosition( spx*(x1+x2)/2, spy*(y1+y2)/2, -spz*10000000 );
+ camera->SetFocalPoint ( spx*(x1+x2)/2 , spy*(y1+y2)/2 , spz*0 );
camera->ComputeViewPlaneNormal();
camera->SetParallelScale( spx*(x2-x1)/2.0 );
- // imageViewer->GetRenderer()->ResetCamera(x1,x2,y1,y2,z1,z2);
+ //
+ // imageViewer->GetRenderer()->ResetCamera(x1,x2,y1,y2,z1,z2);
+ mUpdateCamera = false;
}
-
- if (backImageData!=NULL)
- {
- int z = mBox->bbGetInputSlice();
+ // std::cout << "OW = "<< mBox->bbGetWindow() << std::endl;
+ // std::cout << "CW = "<< mBox->bbGetContainingWindow() << std::endl;
+ // std::cout << "Sh = "<< mBox->bbIsShown() << std::endl;
+
+
+ // mBox->bbIsShown() is necessary to be sure that the wxWindow is already
+ // created and displayed.
+ // Else when slice != 0 we get an X Window System error with wxGTK
+ if (
+ (backImageData!=NULL)&&
+ (mBox->bbIsShown()))
+ {
+ int z = mBox->bbGetInputSlice();
+ // std::cout << "slice = "<<z<<std::endl;
int ext[6];
backImageData->GetWholeExtent(ext);
+ // std::cout << "ext = "<<ext[4]<<" - "<<ext[5]<<std::endl;
if (z<ext[4]) { z=ext[4]; }
- if (z>=ext[5]) { z=ext[5]-1; }
- // LG : SetZSlice does not exist anymore in vtk 5 !
+ if (z>ext[5]) { z=ext[5]; }
+
#if (VTK_MAJOR_VERSION >= 5)
imageViewer->SetSlice( z );
imageViewer->SetZSlice( z );
#endif
- }
-
- wxvtkrenderwindowinteractor->Render();
- // wxvtkrenderwindowinteractor->Refresh();
-
- // Refresh();
+ //imageViewer->UpdateDisplayExtent();
+ //wxvtkrenderwindowinteractor->Render();
+ imageViewer->GetRenderer()->ResetCameraClippingRange();
}
+}
+
+
+ vtkRenderer * Viewer2DWidget::GetRenderer()
+ {
+ return imageViewer->GetRenderer();
+ }
+
+
//--------------------------------------------------------------------------
//-------------------------------------------------------------------------
//--------------------------------------------------------------------------
- BBTK_USER_BLACK_BOX_IMPLEMENTATION(Viewer2D,bbtk::WxBlackBox);
+
+
+ BBTK_BLACK_BOX_IMPLEMENTATION(Viewer2D,bbtk::WxBlackBox);
void Viewer2D::Process()
{
- ((Viewer2DWidget*)bbGetOutputWidget())->Update();
+ // LG : Bug on Linux (wxGTK) when initial slice != 0 on first time
+ // (see wxvtk/appli/ExampleSimpleSlicer)
+ // I think there is a problem with rendering before window
+ // has been reparented ... we have to check this
+
+ ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();
bbSetOutputOut( bbGetInputSlice() );
+ bbSetOutputRenderer( ((Viewer2DWidget*)bbGetOutputWidget())->GetRenderer() );
+
}
+ void Viewer2D::bbUserConstructor()
+ {
+ bbSetInputIn(NULL);
+ bbSetInputSlice(0);
+ }
+
/**
* \brief Create wxWidget .
*
bbtkDebugMessageInc("Core",9,"Viewer2D::CreateWidget()"<<std::endl);
Viewer2DWidget* w = new Viewer2DWidget(this,bbGetWxParent());
- w->Update();
bbSetOutputWidget(w);
bbtkDebugDecTab("Core",9);
}
+ // This callback is necessary to get actual processing of the view
+ // when window is shown
+ void Viewer2D::bbUserOnShow()
+ {
+ ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();
+ }
+
+
}//namespace bbtk
#endif
git://git.creatis.insa-lyon.fr / bbtk.git / blobdiff