Error while loading an Image

[Sergio Arroutbi]

Sorry, I forgot to mention that I had initialized all the Image Handlers.

Thanks anyway.

Regards,

Sergio.

----- Mensaje original ----
De: Lloyd <lloyd at cdactvm.in>
Para: wx-users at lists.wxwidgets.org
Enviado: martes, 14 de agosto, 2007 4:32:05
Asunto: Re: Error while loading an Image

Did you forget to initialize the image handler?

if so, see ::wxInitAllImageHandlers()

Regards,
 Lloyd


On Tue, 2007-08-14 at 08:06 +0000, Sergio Arroutbi wrote:
> Hello.
> 
> I am trying to load an image. I would like to associate that image to a wxPanel.
> 
> However, I am getting an error:
> 
> (<unknown>:20551): Gtk-CRITICAL **: gtk_window_set_default_size: assertion `width >= -1' failed
> 
> (<unknown>:20551): Gtk-CRITICAL **: gtk_window_set_default_size: assertion `width >= -1' failed
> 
> I am trying to associate the image just like this:
> 
>         image_ = new wxImage();
>         imagen_->LoadFile(wxT("imagen_fondo.jpg"), wxBITMAP_TYPE_JPEG, -1);
> 
>         panel  = new ImagePanel(NULL, imagenFondoCuandoNoCamaras);
> 
> 
> And then I plot the image in the wxPanel via "onPaint event".
> 
> void ImagePanel::OnPaint(wxPaintEvent &event)
> {
>     if (!image) 
>     {
>         event..Skip();
>         return;
>     }
> 
>     wxPaintDC dc(this);
> 
>     wxMemoryDC memDC;
>     wxSize size = GetClientSize();
> 
>     wxBitmap bitmap(image->Scale(size.GetWidth() - 6, size.GetHeight() - 6));
> 
>     if (bitmap.GetPalette())
>     {
>         memDC.SetPalette(*bitmap.GetPalette());
>         dc.SetPalette(*bitmap.GetPalette());
>     }
> 
>     memDC.SelectObject(bitmap);
> 
>     dc.Blit(3, 3, bitmap.GetWidth(), bitmap.GetHeight(), &memDC, 0, 0, wxCOPY, FALSE);
> 
>     memDC.SelectObject(wxNullBitmap);
> }
> 
> // --------------------------------------------------------
> // Event table
> 
> BEGIN_EVENT_TABLE(ImagePanel, wxPanel)
>     // Paint event for the panel
>     EVT_PAINT(ImagePanel::OnPaint)
> END_EVENT_TABLE()
> 
> 
> Anyway, the error only appears when performing :
> 
>         imagen_->LoadFile(wxT("imagen_fondo.jpg"), wxBITMAP_TYPE_JPEG, -1);
> 
> So, If I let the code with no call to "LoadFile" method, I get the panel with no image, obviously. 
> 
> Can anyone help, please ???
> 
> Thanks a lot for your help.
> 
> 
> 
> 
>        
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____________________________________________________________________________________
Sé un Mejor Amante del Cine                         
¿Quieres saber cómo? ¡Deja que otras personas te ayuden!
http://advision.webevents.yahoo.com/reto/entretenimiento.html