[vtkusers] Differences in display of vtkTextActors between vtk5.0.4 and vtk5.2.1 (shadow and accentuated characters) ??

[pof]

Mathieu Malaterre a écrit :
> On Sun, Jan 11, 2009 at 8:29 PM, pof <jd379252 at gmail.com> wrote:
>   
>>> I'am trying to upgrade from vtk5.0.4 to vtk5.2.1, and I have two problems
>>> with the rendering of vtkTextActor.
>>> Basically :
>>> - the shadow property looks rather strange in 5.2.1 compared to 5.0.4
>>> - accuentuated characters (é, è...) are no longer displayed in 5.2.1
>>>
>>> Herebelow, a small test program that reproduces the behaviour is given.
>>> I also joined links to illustrate the graphical output obtained with :
>>> - vtk5.0.4 -> http://www.imageshare.web.id/images/mjg8s8miucbecde84rh0.png
>>> - vtk5.2.1 http://www.imageshare.web.id/images/x1ijylcbtox56lbzn12.png
>>>
>>> I compiled both vtk version with VC++2005 under WinVista.
>>> Any hints of where the problem may come from?
>>> Thanks
>>> JD
>>>
>>> // Example code to show the difference in rendering of vtkTextActor
>>> // Compiled and run either with vtk5.0.4 or vtk5.2.1
>>> //
>>> #include "vtkCylinderSource.h"
>>> #include "vtkPolyDataMapper.h"
>>> #include "vtkActor.h"
>>> #include "vtkRenderer.h"
>>> #include "vtkRenderWindow.h"
>>> #include "vtkRenderWindowInteractor.h"
>>> #include "vtkProperty.h"
>>> #include "vtkCamera.h"
>>> #include "vtkTextProperty.h"
>>> #include "vtkTextActor.h"
>>>
>>> int main()
>>> {
>>>   // Create an example text actor.
>>>   vtkTextActor *textActor = vtkTextActor::New();
>>>
>>> textActor->GetPositionCoordinate()->SetCoordinateSystemToNormalizedViewport();
>>>   textActor->SetPosition(0.50,0.90);
>>>   textActor->SetInput("Geometry based on vtkCylinderSource\nGéométrie
>>> basée sur vtkCylinderSource\nvtk5.x.x");
>>>   textActor->GetTextProperty()->SetFontSize(18);
>>>   textActor->GetTextProperty()->SetFontFamilyToArial();
>>>   textActor->GetTextProperty()->SetJustificationToCentered();
>>>   textActor->GetTextProperty()->BoldOn();
>>>   textActor->GetTextProperty()->ItalicOn();
>>>   textActor->GetTextProperty()->ShadowOn();
>>>   textActor->GetTextProperty()->SetColor(1, 0, 0);
>>>
>>>   // Creates a polygonal cylinder model with eight circumferential facets.
>>>   vtkCylinderSource *cylinder = vtkCylinderSource::New();
>>>   cylinder->SetResolution(8);
>>>   vtkPolyDataMapper *cylinderMapper = vtkPolyDataMapper::New();
>>>   cylinderMapper->SetInputConnection(cylinder->GetOutputPort());
>>>   vtkActor *cylinderActor = vtkActor::New();
>>>   cylinderActor->SetMapper(cylinderMapper);
>>>   cylinderActor->GetProperty()->SetColor(1.0000, 0.3882, 0.2784);
>>>   cylinderActor->RotateX(30.0);
>>>   cylinderActor->RotateY(-45.0);
>>>
>>>   // Create the graphics structure.
>>>   vtkRenderer *ren = vtkRenderer::New();
>>>   vtkRenderWindow *renWin = vtkRenderWindow::New();
>>>
>>>   renWin->AddRenderer(ren);
>>>   renWin->SetSize(600, 600);
>>>
>>>   vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
>>>   iren->SetRenderWindow(renWin);
>>>
>>>   // Add the actors to the renderer, set the background and size
>>>   ren->AddActor(cylinderActor);
>>>   ren->AddActor(textActor);
>>>   ren->SetBackground(0.1, 0.2, 0.4);
>>>
>>>   // We'll zoom in a little by accessing the camera and invoking a "Zoom"
>>>   // method on it.
>>>   ren->ResetCamera();
>>>   ren->GetActiveCamera()->Zoom(1.5);
>>>   renWin->Render();
>>>
>>>   // This starts the event loop and as a side effect causes an initial
>>> render.
>>>   iren->Start();
>>>
>>>   // Exiting from here, we have to delete all the instances that
>>>   // have been created.
>>>   textActor->Delete();
>>>   cylinder->Delete();
>>>   cylinderMapper->Delete();
>>>   cylinderActor->Delete();
>>>   ren->Delete();
>>>   renWin->Delete();
>>>   iren->Delete();
>>>
>>>   return 0;
>>> }
>>>       
>
> Could you please log in a bug report at: http://vtk.org/Bug. Simply
> copy/paste this piece of code in the report.
>
> Thanks,
>
>   
Well, I went to http://vtk.org/Bug but I could not find the report to 
copy the piece of code in.
Actually, I did not found how to enter a new bug though I only logged as 
anonymous. Do I need to create an account?
JD