I'm sorry - porter_duff rule is "DSPD_SRC_OVER" insted "DSPD_SRC"
2007/3/22, aashish bhanawat <[EMAIL PROTECTED]>:
> problem as it is
>
>
> On 3/22/07, Nikita Egorov <[EMAIL PROTECTED]> wrote:
> > > void Draw_Image(IDirectFB *dfb, char *img, int width, int height, int
> lid,
> > > int posx, int posy) {
> > >
> > > pthread_mutex_lock( &mutex1 );
> > > DFBSurfaceDescription sdesc;
> > >
> > > DFBCHECK (dfb->CreateImageProvider (dfb, img, &provider));
> > > DFBCHECK (provider->GetSurfaceDescription
> > > (provider, &sdesc));
> > > sdesc.width = width; sdesc.height = height;
> >
> > sdesc.pixelformat = ARGB; // first, you should use an ARGB
> surface.
> >
> > >
> > > DFBCHECK (dfb->CreateSurface (dfb, &sdesc, &surface));
> > > DFBCHECK (provider->RenderTo (provider, surface, NULL));
> > > provider->Release (provider);
> > >
> >
> > DFBCHECK (pFrameBuffer->SetBlittingFlags
> > (pFrameBuffer,DSBLIT_BLEND_ALPHACHANNEL); // Set blit
> flag for
> > blending
> > DFBCHECK (pFrameBuffer->SetPorterDuff( pFrameBuffer ,
> > DSPD_SRC ));//use alpha from source
> >
> > > DFBCHECK (pFrameBuffer->Blit (pFrameBuffer, surface, NULL, posx,
> > > posy));
> >
> > DFBCHECK (pFrameBuffer->SetBlittingFlags
> > (pFrameBuffer,DSBLIT_NOFX); // clear the flag
> > DFBCHECK (pFrameBuffer->SetPorterDuff( pFrameBuffer , DSPD_NONE
> ));
> >
> >
> > > DFBCHECK (pFrameBuffer->Flip (pFrameBuffer, NULL,
> > > DSFLIP_WAITFORSYNC));
> > > DFBCHECK (pFrameBuffer->Flip (pFrameBuffer, NULL, 0));
> > > surface->Release(surface);
> > > pthread_mutex_unlock( &mutex1 );
> > > }
> > >
> > >
> > > main(){
> > >
> > > DirectFBSetOptions("bg-color", "00000000");
> > > .
> > > .
> > > .
> > > DFBCHECK(
> > > (dfbLayers[0])->GetSurface(dfbLayers[0],
> &pFrameBuffer));
> > >
> > >
> > > Draw_Image(dfb, "background.png", 640, 480, 0, 0 , 0);
> > > Draw_Image(dfb, "Erawise.png", 142, 97,0,80,110);
> > > .
> > > .
> > > .
> > > }
> > > **pFrameBuffer is primary surface on primary layer (0).
> > >
> > >
> > >
> > > Thanks
> > >
> > >
> > > --
> > > JOY
> >
> >
> > --
> > Best Regards
> > Nikita Egorov
> > [EMAIL PROTECTED]
> > [EMAIL PROTECTED]
> >
>
>
>
> --
> JOY
--
Best Regards
Nikita Egorov
[EMAIL PROTECTED]
[EMAIL PROTECTED]
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