Hello,
yes, i've already uncomment it. Now my code looks like this
int main( int argc, char *argv[] )
{
DFBDisplayLayerConfig layer_config;
int err;
DFBCHECK(DirectFBInit( &argc, &argv ));
DFBCHECK(DirectFBCreate( &dfb ));
DFBCHECK(dfb->GetDisplayLayer( dfb, DLID_PRIMARY, &layer ));
layer->SetCooperativeLevel( layer, DLSCL_ADMINISTRATIVE );
layer->GetConfiguration( layer, &layer_config );
layer->EnableCursor ( layer, 1 );
DFBSurfaceDescription dsc;
DFBCHECK(dfb->CreateImageProvider( dfb,"desktop.png",&provider ));
dsc.flags = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_CAPS;
dsc.width = layer_config.width;
dsc.height = layer_config.height;
dsc.caps = DSCAPS_SHARED;
DFBCHECK(dfb->CreateSurface( dfb, &dsc, &primary ) );
provider->RenderTo( provider, primary, NULL );
layer->SetBackgroundImage( layer, primary );
layer->SetBackgroundMode( layer, DLBM_IMAGE );
DFBSurfaceDescription sdsc;
DFBWindowDescription desc;
sdsc.flags = (DSDESC_WIDTH | DSDESC_HEIGHT );
sdsc.width = 300;
sdsc.height = 200;
desc.flags = ( DWDESC_POSX | DWDESC_POSY | DWDESC_WIDTH | DWDESC_HEIGHT
| DWDESC_CAPS);
desc.posx = 200;
desc.posy = 200;
desc.width = sdsc.width;
desc.height = sdsc.height;
desc.caps = DWCAPS_ALPHACHANNEL;
DFBCHECK(dfb->CreateSurface( dfb, &sdsc, &window_surface ) );
DFBCHECK(layer->CreateWindow( layer, &desc, &window ) );
DFBCHECK(window->GetSurface( window, &window_surface) ); // PROBLEM
DFBCHECK(dfb->CreateImageProvider( dfb,"dfblogo.png",&provider ));
provider->RenderTo( provider, window_surface, NULL );
window_surface->Flip( window_surface, NULL, 0 );
provider->Release( provider );
But the errormessage is the same. There is something, what i'm wondering about.
In df_window.c they used
window_surface1 and window_surface2, but they were never created. If i comment
DFBCHECK(dfb->CreateSurface( dfb, &sdsc, &window_surface ) ); i get the message
DirectFBError [window->GetSurface( window, &window_surface)]: Interface was
released!
Greetings from Dresden : )
> -----Ursprüngliche Nachricht-----
> Von: "Nikita Egorov" <[email protected]>
> Gesendet: 02.04.09 13:31:38
> An: Tu Duong Manh <[email protected]>
> CC: [email protected]
> Betreff: Re: [directfb-users] simple problem with layer,window,surface.
> especially window->GetSurface
> Did you uncomment the line SetCooperativeLevel(layer, DLSCL_ADMINISTRATIVE) ?
>
> This is a part of df_window.c. I used it many times.
> Replace (or correct) your text by it after the line
> layer->SetBackgroundMode( layer, DLBM_IMAGE );
>
> DFBWindowDescription desc;
>
> desc.flags = ( DWDESC_POSX | DWDESC_POSY |
> DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS );
> desc.posx = 200;
> desc.posy = 200;
> desc.width = 512;
> desc.height = 145;
> desc.caps = DWCAPS_ALPHACHANNEL;
>
> DFBCHECK(layer->CreateWindow( layer, &desc, &window ) );
> window->GetSurface( window, &window_surface );
> DFBCHECK(dfb->CreateImageProvider( dfb, "/dfblogo.png", &provider ));
> provider->RenderTo( provider, window_surface, NULL );
> window_surface->Flip( window_surface, NULL, 0 );
> provider->Release( provider );
>
> --
> Best Regards
> Nikita Egorov
> [email protected]
> [email protected]
>
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