1 /*=========================================================================
4 Module: $RCSfile: bbwxvtkViewer2D.cxx,v $
6 Date: $Date: 2008/05/09 10:39:47 $
7 Version: $Revision: 1.4 $
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"
41 BBTK_ADD_BLACK_BOX_TO_PACKAGE(wxvtk,Viewer2D);
44 Viewer2DWidget::Viewer2DWidget(Viewer2D* box,
47 wxPanel( parent, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL),
50 wxPanel *panel = this;
52 wxvtkrenderwindowinteractor = new wxVTKRenderWindowInteractor(panel,-1);
53 wxvtkrenderwindowinteractor->UseCaptureMouseOn();
54 wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
55 sizer -> Add( wxvtkrenderwindowinteractor , 1, wxEXPAND, 0);
56 panel -> SetSizer(sizer);
57 panel -> SetAutoLayout(true);
65 //-------------------------------------------------------------------------
67 Viewer2DWidget::~Viewer2DWidget()
69 // delete wxvtkrenderwindowinteractor;
70 // pourquoi pas wxvtkrenderwindowinteractor->Delete(); // JP
71 // LG : because it has been allocated with operator new not method ::New
72 // we want to force its destruction without taking care of vtk ref counting
73 // on the contrary the following vtk objects are deleted with vtk Delete
76 backImageData->UnRegister(NULL);
80 imageViewer->Delete();
82 delete wxvtkrenderwindowinteractor;
85 //-------------------------------------------------------------------------
90 void Viewer2DWidget::UpdateView()
92 std::cout << "Viewer2DWidget::UpdateView()" << std::endl;
93 std::cout << "slice="<<mBox->bbGetInputSlice()<<std::endl;
94 if ( (mBox->bbGetInputIn()!=NULL) &&
95 (backImageData != mBox->bbGetInputIn()) )
97 if (imageViewer==NULL)
99 imageViewer = vtkImageViewer2::New();
100 imageViewer->SetupInteractor ( wxvtkrenderwindowinteractor );
103 if (backImageData) backImageData->UnRegister(NULL);
104 backImageData = mBox->bbGetInputIn();
105 backImageData->Register(NULL);
106 imageViewer->SetInput( backImageData );
107 backImageData->Update();
109 int x1,x2,y1,y2,z1,z2;
111 backImageData->GetSpacing(spx,spy,spz);
112 backImageData->GetExtent (x1,x2,y1,y2,z1,z2);
114 bbtkMessage("Output",2,"Viewer2D '"<<mBox->bbGetName()<<"' - Image :"<<std::endl);
115 bbtkMessage("Output",2," extent = "<< x1<<"-"<<x2<<" x "<<y1<<"-"<<y2<<" x "<<z1<<"-"<<z2<<std::endl);
116 bbtkMessage("Output",2," spacing = "<<spx << " - "<< spy << " - "<<spz<<std::endl);
118 vtkCamera *camera = imageViewer->GetRenderer()->GetActiveCamera();
120 camera->SetViewUp ( spx*0, -spy*1, spz*0);
121 camera->SetPosition( spx*(x1+x2)/2, spy*(y1+y2)/2, -spz*10000000);
122 camera->SetFocalPoint ( spx*(x1+x2)/2 , spy*(y1+y2)/2 , spz*0);
125 camera->ComputeViewPlaneNormal();
126 camera->SetParallelScale( spx*(x2-x1)/2.0 );
127 // imageViewer->GetRenderer()->ResetCamera(x1,x2,y1,y2,z1,z2);
130 // std::cout << "update"<<std::endl;
131 // std::cout << "OW = "<< mBox->bbGetWindow() << std::endl;
132 // std::cout << "CW = "<< mBox->bbGetContainingWindow() << std::endl;
133 // std::cout << "Sh = "<< mBox->bbIsShown() << std::endl;
135 // mBox->bbIsShown() is necessary to be sure that the wxWindow is already
136 // created and displayed.
137 // Else when slice != 0 we get an X Window System error with wxGTK
138 if ((imageViewer!=NULL)&&
139 (backImageData!=NULL)&&
142 int z = mBox->bbGetInputSlice();
143 std::cout << "slice = "<<z<<std::endl;
145 backImageData->GetWholeExtent(ext);
147 std::cout << "ext = "<<ext[4]<<" - "<<ext[5]<<std::endl;
149 if (z<ext[4]) { z=ext[4]; }
150 if (z>=ext[5]) { z=ext[5]-1; }
151 // LG : SetZSlice does not exist anymore in vtk 5 !
153 #if (VTK_MAJOR_VERSION >= 5)
154 imageViewer->SetSlice( 0 );
156 imageViewer->SetZSlice( 0 );
161 wxvtkrenderwindowinteractor->Render();
164 #if (VTK_MAJOR_VERSION >= 5)
165 imageViewer->SetSlice( z );
167 imageViewer->SetZSlice( z );
169 wxvtkrenderwindowinteractor->Render();
181 //--------------------------------------------------------------------------
182 //-------------------------------------------------------------------------
183 //--------------------------------------------------------------------------
184 //--------------------------------------------------------------------------
187 BBTK_BLACK_BOX_IMPLEMENTATION(Viewer2D,bbtk::WxBlackBox);
190 void Viewer2D::Process()
192 // LG : Bug when initial slice != 0 on first time
193 // (see wxvtk/appli/ExampleSimpleSlicer)
194 // I think there is a problem with rendering before window
195 // has been reparented ... we have to check this
197 ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();
198 bbSetOutputOut( bbGetInputSlice() );
203 * \brief Create wxWidget .
207 void Viewer2D::CreateWidget()
209 bbtkDebugMessageInc("Core",9,"Viewer2D::CreateWidget()"<<std::endl);
211 Viewer2DWidget* w = new Viewer2DWidget(this,bbGetWxParent());
212 bbSetOutputWidget(w);
214 bbtkDebugDecTab("Core",9);
218 // This callback is necessary to get actual processing of the view
219 // when window is shown
220 void Viewer2D::bbUserOnShow()
222 ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();