1 /*=========================================================================
4 Module: $RCSfile: bbwxvtkViewer2D.cxx,v $
6 Date: $Date: 2008/06/17 11:12:03 $
7 Version: $Revision: 1.8 $
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();
55 imageViewer = vtkImageViewer2::New();
56 imageViewer->SetupInteractor ( wxvtkrenderwindowinteractor );
58 mDefaultImage = vtkImageData::New();
60 dim[0] = dim[1] = dim[2] = 1;
61 mDefaultImage->SetDimensions ( dim );
62 mDefaultImage->SetSpacing(1,1,1);
64 mDefaultImage->SetScalarTypeToUnsignedChar();
65 mDefaultImage->AllocateScalars();
66 for (int i=0;i<dim[0];i++)
67 for (int j=0;j<dim[1];j++)
68 mDefaultImage->SetScalarComponentFromFloat(i,j,0,0,0);
70 backImageData = mDefaultImage;
71 imageViewer->SetInput( backImageData );
74 wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
75 sizer -> Add( wxvtkrenderwindowinteractor , 1, wxEXPAND, 0);
76 panel -> SetSizer(sizer);
77 panel -> SetAutoLayout(true);
81 //-------------------------------------------------------------------------
83 Viewer2DWidget::~Viewer2DWidget()
85 // delete wxvtkrenderwindowinteractor;
86 // pourquoi pas wxvtkrenderwindowinteractor->Delete(); // JP
87 // LG : because it has been allocated with operator new not method ::New
88 // we want to force its destruction without taking care of vtk ref counting
89 // on the contrary the following vtk objects are deleted with vtk Delete
90 // std::cout << "Viewer2DWidget::~Viewer2DWidget()" << std::endl;
91 mDefaultImage->Delete();
95 // backImageData->UnRegister(NULL);
99 imageViewer->Delete();
101 delete wxvtkrenderwindowinteractor;
102 // std::cout << "Viewer2DWidget::~Viewer2DWidget() OK" << std::endl;
105 //-------------------------------------------------------------------------
110 void Viewer2DWidget::UpdateView()
112 // std::cout << "Viewer2DWidget::UpdateView() "<<mBox->bbGetFullName() << std::endl;
113 // std::cout << "slice="<<mBox->bbGetInputSlice()<<std::endl;
115 if ( ( mBox->bbGetInputIn() == NULL ) &&
116 ( backImageData != mDefaultImage ) )
118 backImageData = mDefaultImage;
119 mUpdateCamera = true;
121 else if ( ( mBox->bbGetInputIn() != NULL ) &&
122 (backImageData != mBox->bbGetInputIn()) )
124 backImageData = mBox->bbGetInputIn();
125 backImageData->Update();
126 imageViewer->SetInput( backImageData );
127 mUpdateCamera = true;
132 int x1,x2,y1,y2,z1,z2;
134 backImageData->GetSpacing(spx,spy,spz);
135 backImageData->GetExtent (x1,x2,y1,y2,z1,z2);
137 // bbtkMessage("Output",2,"Viewer2D '"<<mBox->bbGetName()<<"' - Image :"<<std::endl);
138 // std::cout << " extent = "<< x1<<"-"<<x2<<" x "<<y1<<"-"<<y2<<" x "<<z1<<"-"<<z2<<std::endl;
139 // std::cout << " spacing = "<<spx << " - "<< spy << " - "<<spz<<std::endl;
141 vtkCamera *camera = imageViewer->GetRenderer()->GetActiveCamera();
143 camera->SetViewUp ( spx*0, -spy*1, spz*0);
144 camera->SetPosition( spx*(x1+x2)/2, spy*(y1+y2)/2, -spz*10000000);
145 camera->SetFocalPoint ( spx*(x1+x2)/2 , spy*(y1+y2)/2 , spz*0);
147 camera->ComputeViewPlaneNormal();
148 camera->SetParallelScale( spx*(x2-x1)/2.0 );
150 // imageViewer->GetRenderer()->ResetCamera(x1,x2,y1,y2,z1,z2);
151 mUpdateCamera = false;
154 // std::cout << "OW = "<< mBox->bbGetWindow() << std::endl;
155 // std::cout << "CW = "<< mBox->bbGetContainingWindow() << std::endl;
156 // std::cout << "Sh = "<< mBox->bbIsShown() << std::endl;
158 // mBox->bbIsShown() is necessary to be sure that the wxWindow is already
159 // created and displayed.
160 // Else when slice != 0 we get an X Window System error with wxGTK
162 (backImageData!=NULL)&&
165 int z = mBox->bbGetInputSlice();
166 // std::cout << "slice = "<<z<<std::endl;
168 backImageData->GetWholeExtent(ext);
170 // std::cout << "ext = "<<ext[4]<<" - "<<ext[5]<<std::endl;
172 if (z<ext[4]) { z=ext[4]; }
173 if (z>=ext[5]) { z=ext[5]-1; }
176 #if (VTK_MAJOR_VERSION >= 5)
177 imageViewer->SetSlice( z );
179 imageViewer->SetZSlice( z );
181 wxvtkrenderwindowinteractor->Render();
192 //--------------------------------------------------------------------------
193 //-------------------------------------------------------------------------
194 //--------------------------------------------------------------------------
195 //--------------------------------------------------------------------------
200 BBTK_BLACK_BOX_IMPLEMENTATION(Viewer2D,bbtk::WxBlackBox);
203 void Viewer2D::Process()
205 // LG : Bug on Linux (wxGTK) when initial slice != 0 on first time
206 // (see wxvtk/appli/ExampleSimpleSlicer)
207 // I think there is a problem with rendering before window
208 // has been reparented ... we have to check this
210 ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();
211 bbSetOutputOut( bbGetInputSlice() );
215 void Viewer2D::bbUserConstructor()
221 * \brief Create wxWidget .
225 void Viewer2D::CreateWidget()
227 bbtkDebugMessageInc("Core",9,"Viewer2D::CreateWidget()"<<std::endl);
229 Viewer2DWidget* w = new Viewer2DWidget(this,bbGetWxParent());
230 bbSetOutputWidget(w);
232 bbtkDebugDecTab("Core",9);
236 // This callback is necessary to get actual processing of the view
237 // when window is shown
238 void Viewer2D::bbUserOnShow()
240 ((Viewer2DWidget*)bbGetOutputWidget())->UpdateView();