1 /*=========================================================================
4 Module: $RCSfile: bbwxvtkViewer2D.cxx,v $
6 Date: $Date: 2008/06/25 15:36:19 $
7 Version: $Revision: 1.11 $
9 Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
10 l'Image). All rights reserved. See Doc/License.txt or
11 http://www.creatis.insa-lyon.fr/Public/bbtk/License.html for details.
13 This software is distributed WITHOUT ANY WARRANTY; without even
14 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 PURPOSE. See the above copyright notices for more information.
17 =========================================================================*/
24 #ifdef _USE_WXWIDGETS_
27 #include "bbwxvtkViewer2D.h"
28 #include "bbwxvtkPackage.h"
29 //#include <wx/dialog.h>
31 #include "vtkInteractorStyleImage.h"
32 #include "vtkCamera.h"
33 #include "vtkRenderer.h"
34 #include <vtkInteractorStyleImage.h>
35 #include <vtkCommand.h>
42 BBTK_ADD_BLACK_BOX_TO_PACKAGE(wxvtk,Viewer2D);
45 Viewer2DWidget::Viewer2DWidget(Viewer2D* box,
48 wxPanel( parent, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL),
51 wxPanel *panel = this;
53 wxvtkrenderwindowinteractor = new wxVTKRenderWindowInteractor(panel,-1);
54 wxvtkrenderwindowinteractor->UseCaptureMouseOn();
56 imageViewer = vtkImageViewer2::New();
57 imageViewer->SetSlice( 1 );
58 imageViewer->SetupInteractor ( wxvtkrenderwindowinteractor );
60 mDefaultImage = vtkImageData::New();
62 dim[0] = dim[1] = 32 ;
64 mDefaultImage->SetDimensions ( dim );
65 mDefaultImage->SetSpacing(1,1,1);
66 mDefaultImage->SetExtent(0,dim[0]-1,0,dim[1]-1,0,dim[2]-1);
67 mDefaultImage->SetWholeExtent(0,dim[0]-1,0,dim[1]-1,0,dim[2]-1);
69 mDefaultImage->SetScalarTypeToUnsignedChar();
70 mDefaultImage->AllocateScalars();
71 for (int i=0;i<dim[0];i++)
72 for (int j=0;j<dim[1];j++)
73 for (int k=0;k<dim[2];k++)
74 mDefaultImage->SetScalarComponentFromFloat(i,j,k,0,0);
76 for (int i=0;i<dim[0];i++)
78 mDefaultImage->SetScalarComponentFromFloat(dim[0]-i-1,i,0,0,255);
79 mDefaultImage->SetScalarComponentFromFloat(i,i,1,0,255);
82 backImageData = mDefaultImage;
83 imageViewer->SetInput( backImageData );
86 wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
87 sizer -> Add( wxvtkrenderwindowinteractor , 1, wxEXPAND, 0);
88 panel -> SetSizer(sizer);
89 panel -> SetAutoLayout(true);
93 //-------------------------------------------------------------------------
95 Viewer2DWidget::~Viewer2DWidget()
97 // delete wxvtkrenderwindowinteractor;
98 // pourquoi pas wxvtkrenderwindowinteractor->Delete(); // JP
99 // LG : because it has been allocated with operator new not method ::New
100 // we want to force its destruction without taking care of vtk ref counting
101 // on the contrary the following vtk objects are deleted with vtk Delete
102 // std::cout << "Viewer2DWidget::~Viewer2DWidget()" << std::endl;
103 mDefaultImage->Delete();
107 // backImageData->UnRegister(NULL);
111 imageViewer->Delete();
113 delete wxvtkrenderwindowinteractor;
114 // std::cout << "Viewer2DWidget::~Viewer2DWidget() OK" << std::endl;
117 //-------------------------------------------------------------------------
122 void Viewer2DWidget::UpdateView()
124 // std::cout << "Viewer2DWidget::UpdateView() "<<mBox->bbGetFullName() << std::endl;
125 // std::cout << "slice="<<mBox->bbGetInputSlice()<<std::endl;
128 if ( ( mBox->bbGetInputIn() == NULL ) &&
129 ( backImageData != mDefaultImage ) )
131 backImageData = mDefaultImage;
132 mUpdateCamera = true;
134 else if ( ( mBox->bbGetInputIn() != NULL ) &&
135 (backImageData != mBox->bbGetInputIn()) )
137 backImageData = mBox->bbGetInputIn();
138 backImageData->Update();
139 imageViewer->SetInput( backImageData );
140 mUpdateCamera = true;
145 int x1,x2,y1,y2,z1,z2;
147 backImageData->GetSpacing(spx,spy,spz);
148 backImageData->GetExtent (x1,x2,y1,y2,z1,z2);
150 // bbtkMessage("Output",2,"Viewer2D '"<<mBox->bbGetName()<<"' - Image :"<<std::endl);
151 // std::cout << " extent = "<< x1<<"-"<<x2<<" x "<<y1<<"-"<<y2<<" x "<<z1<<"-"<<z2<<std::endl;
152 // std::cout << " spacing = "<<spx << " - "<< spy << " - "<<spz<<std::endl;
154 vtkCamera *camera = imageViewer->GetRenderer()->GetActiveCamera();
156 camera->SetViewUp ( spx*0, -spy*1, spz*0 );
157 camera->SetPosition( spx*(x1+x2)/2, spy*(y1+y2)/2, -spz*10000000 );
158 camera->SetFocalPoint ( spx*(x1+x2)/2 , spy*(y1+y2)/2 , spz*0 );
160 camera->ComputeViewPlaneNormal();
161 camera->SetParallelScale( spx*(x2-x1)/2.0 );
163 // imageViewer->GetRenderer()->ResetCamera(x1,x2,y1,y2,z1,z2);
164 mUpdateCamera = false;
167 // std::cout << "OW = "<< mBox->bbGetWindow() << std::endl;
168 // std::cout << "CW = "<< mBox->bbGetContainingWindow() << std::endl;
169 // std::cout << "Sh = "<< mBox->bbIsShown() << std::endl;
173 // mBox->bbIsShown() is necessary to be sure that the wxWindow is already
174 // created and displayed.
175 // Else when slice != 0 we get an X Window System error with wxGTK
177 (backImageData!=NULL)&&
180 int z = mBox->bbGetInputSlice();
181 // std::cout << "slice = "<<z<<std::endl;
183 backImageData->GetWholeExtent(ext);
185 // std::cout << "ext = "<<ext[4]<<" - "<<ext[5]<<std::endl;
187 if (z<ext[4]) { z=ext[4]; }
188 if (z>ext[5]) { z=ext[5]; }
191 #if (VTK_MAJOR_VERSION >= 5)
192 imageViewer->SetSlice( z );
194 imageViewer->SetZSlice( z );
197 //imageViewer->UpdateDisplayExtent();
198 wxvtkrenderwindowinteractor->Render();
199 imageViewer->GetRenderer()->ResetCameraClippingRange();
207 vtkRenderer * Viewer2DWidget::GetRenderer()
209 return imageViewer->GetRenderer();
214 //--------------------------------------------------------------------------
215 //-------------------------------------------------------------------------
216 //--------------------------------------------------------------------------
217 //--------------------------------------------------------------------------
222 BBTK_BLACK_BOX_IMPLEMENTATION(Viewer2D,bbtk::WxBlackBox);
225 void Viewer2D::Process()
227 // LG : Bug on Linux (wxGTK) when initial slice != 0 on first time
228 // (see wxvtk/bbs/appli/ExampleSimpleSlicer)
229 // I think there is a problem with rendering before window
230 // has been reparented ... we have to check this
232 ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();
233 bbSetOutputOut( bbGetInputSlice() );
234 bbSetOutputRenderer( ((Viewer2DWidget*)bbGetOutputWidget())->GetRenderer() );
239 void Viewer2D::bbUserConstructor()
246 * \brief Create wxWidget .
250 void Viewer2D::CreateWidget()
252 bbtkDebugMessageInc("Core",9,"Viewer2D::CreateWidget()"<<std::endl);
254 Viewer2DWidget* w = new Viewer2DWidget(this,bbGetWxParent());
255 bbSetOutputWidget(w);
257 bbtkDebugDecTab("Core",9);
261 // This callback is necessary to get actual processing of the view
262 // when window is shown
263 void Viewer2D::bbUserOnShow()
265 ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();