1 /*=========================================================================
4 Module: $RCSfile: bbwxvtkViewer2D.cxx,v $
6 Date: $Date: 2008/11/20 16:32:41 $
7 Version: $Revision: 1.20 $
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 wxvtkrenderwindowinteractor->Refresh();
94 wxvtkrenderwindowinteractor->Render();
95 imageViewer->GetRenderer()->ResetCameraClippingRange();
99 //-------------------------------------------------------------------------
101 Viewer2DWidget::~Viewer2DWidget()
103 // delete wxvtkrenderwindowinteractor;
104 // pourquoi pas wxvtkrenderwindowinteractor->Delete(); // JP
105 // LG : because it has been allocated with operator new not method ::New
106 // we want to force its destruction without taking care of vtk ref counting
107 // on the contrary the following vtk objects are deleted with vtk Delete
108 // std::cout << "Viewer2DWidget::~Viewer2DWidget()" << std::endl;
109 mDefaultImage->Delete();
113 // backImageData->UnRegister(NULL);
117 imageViewer->Delete();
119 delete wxvtkrenderwindowinteractor;
120 // std::cout << "Viewer2DWidget::~Viewer2DWidget() OK" << std::endl;
123 //-------------------------------------------------------------------------
128 void Viewer2DWidget::UpdateView()
130 // std::cout << "Viewer2DWidget::UpdateView() "<<mBox->bbGetFullName() << std::endl;
131 // std::cout << "slice="<<mBox->bbGetInputSlice()<<std::endl;
134 if ( ( mBox->bbGetInputIn() == NULL ) &&
135 ( backImageData != mDefaultImage ) )
137 backImageData = mDefaultImage;
138 mUpdateCamera = true;
140 else if ( ( mBox->bbGetInputIn() != NULL ) &&
141 (backImageData != mBox->bbGetInputIn()) )
143 backImageData = mBox->bbGetInputIn();
144 backImageData->Update();
145 imageViewer->SetInput( backImageData );
146 mUpdateCamera = true;
151 int x1,x2,y1,y2,z1,z2;
153 backImageData->GetSpacing(spx,spy,spz);
154 backImageData->GetExtent (x1,x2,y1,y2,z1,z2);
156 // bbtkMessage("Output",2,"Viewer2D '"<<mBox->bbGetName()<<"' - Image :"<<std::endl);
157 // std::cout << " extent = "<< x1<<"-"<<x2<<" x "<<y1<<"-"<<y2<<" x "<<z1<<"-"<<z2<<std::endl;
158 // std::cout << " spacing = "<<spx << " - "<< spy << " - "<<spz<<std::endl;
160 vtkCamera *camera = imageViewer->GetRenderer()->GetActiveCamera();
162 camera->SetViewUp ( spx*0, -spy*1, spz*0 );
163 camera->SetPosition ( spx*(x1+x2)/2, spy*(y1+y2)/2, -spz*10000000 );
164 camera->SetFocalPoint( spx*(x1+x2)/2, spy*(y1+y2)/2, spz*0 );
166 camera->ComputeViewPlaneNormal();
167 camera->SetParallelScale( spx*(x2-x1)/2.0 );
169 // imageViewer->GetRenderer()->ResetCamera(x1,x2,y1,y2,z1,z2);
170 mUpdateCamera = false;
173 // std::cout << "OW = "<< mBox->bbGetWindow() << std::endl;
174 // std::cout << "CW = "<< mBox->bbGetContainingWindow() << std::endl;
175 // std::cout << "Sh = "<< mBox->bbIsShown() << std::endl;
177 int orientation = mBox->bbGetInputOrientation();
178 if (orientation<0 || orientation>2) {
179 bbtkMessage("Output", 2, "Viewer2D : Orientation was not 0< <2 "<<std::endl);
180 orientation=2; // Why not?
182 // mBox->bbIsShown() is necessary to be sure that the wxWindow is already
183 // created and displayed.
184 // Else when slice != 0 we get an X Window System error with wxGTK
186 (backImageData!=NULL)&&
189 int z = mBox->bbGetInputSlice();
190 // std::cout << "slice = "<<z<<std::endl;
192 backImageData->GetWholeExtent(ext);
194 // std::cout << "ext = "<<ext[4]<<" - "<<ext[5]<<std::endl;
198 if (z<ext[0]) { z=ext[0]; }
199 if (z>ext[1]) { z=ext[1]; }
204 if (z<ext[2]) { z=ext[2]; }
205 if (z>ext[3]) { z=ext[3]; }
209 if (z<ext[4]) { z=ext[4]; }
210 if (z>ext[5]) { z=ext[5]; }
214 bbtkMessage("Output", 2, "Viewer2D : Orientation was not 0< <2 (shouldn't arrive here!"<<std::endl);
215 z = ext[5]; // Why not?
218 wxvtkrenderwindowinteractor->Update();
219 wxvtkrenderwindowinteractor->Render();
220 imageViewer->GetRenderer()->ResetCameraClippingRange();
223 #if (VTK_MAJOR_VERSION >= 5)
224 imageViewer->SetSlice( z );
226 imageViewer->SetZSlice( z );
229 imageViewer->SetSliceOrientation (orientation);
230 imageViewer->SetSlice( z );
232 //imageViewer->UpdateDisplayExtent();
239 vtkRenderer * Viewer2DWidget::GetRenderer()
241 return imageViewer->GetRenderer();
246 //--------------------------------------------------------------------------
247 //-------------------------------------------------------------------------
248 //--------------------------------------------------------------------------
249 //--------------------------------------------------------------------------
254 BBTK_BLACK_BOX_IMPLEMENTATION(Viewer2D,bbtk::WxBlackBox);
257 void Viewer2D::Process()
259 // LG : Bug on Linux (wxGTK) when initial slice != 0 on first time
260 // (see wxvtk/bbs/appli/ExampleSimpleSlicer)
261 // I think there is a problem with rendering before window
262 // has been reparented ... we have to check this
264 ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();
265 bbSetOutputOut( bbGetInputSlice() );
266 bbSetOutputRenderer( ((Viewer2DWidget*)bbGetOutputWidget())->GetRenderer() );
271 void Viewer2D::bbUserConstructor()
275 bbSetInputOrientation(0);
279 * \brief Create wxWidget .
283 void Viewer2D::CreateWidget()
285 bbtkDebugMessageInc("Core",9,"Viewer2D::CreateWidget()"<<std::endl);
287 Viewer2DWidget* w = new Viewer2DWidget(this,bbGetWxParent());
288 bbSetOutputWidget(w);
290 bbtkDebugDecTab("Core",9);
294 // This callback is necessary to get actual processing of the view
295 // when window is shown
296 void Viewer2D::OnShowWidget()
300 // ((Viewer2DWidget*)bbGetOutputWidget())->Refresh();
301 ((Viewer2DWidget*)bbGetOutputWidget())->Update();
302 ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();
306 ((Viewer2DWidget*)bbGetOutputWidget())->Update();
307 ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();