The palettes are used only for LUTx pixel formats family.
2008/5/22, Anil Kumar <[EMAIL PROTECTED]>:
> hi all,
> Currently i am working on a project where i need to draw an image
> onto surface, i have done that successfully too. but strange this is my red
> and blue color is interchanged and i found that it is becoz of colors, so
> when i try to access colors using GetPalette, it is not entering the
> function pSource->GetPalette, so can anyone help me out to solve this issue
> and i will be thankful to whoever it is. any suggestions and corrections
> will be appreciated. My code is as follows
>
> IDirectFB *dfb=NULL;
> DFBDataBufferDescription dsc;
> IDirectFBImageProvider *imgProvider = NULL;
> DFBSurfaceDescription sdsc;
> IDirectFBDisplayLayer *layer;
> DFBDisplayLayerConfig layer_config;
> IDirectFBSurface *pSurface=NULL;
> //IDirectFBPalette *palette=NULL;
> DFBSurfacePixelFormat pixel;
> DFBImageDescription imgDsc;
> DFBResult ret;
> //DFBColor Colors[256];
>
>
> //Init DirectFB
> DirectFBInit(NULL, NULL);
> DirectFBCreate(&dfb);
> dfb->CreateImageProvider(dfb, &data1, &imgProvider);
> imgProvider->GetSurfaceDescription(imgProvider, &sdsc);
> sdsc.pixelformat = DSPF_ARGB;
> dfb->CreateSurface(dfb, &sdsc, &pSurface);
> imgProvider->RenderTo( imgProvider, pSurface, NULL );
> pSurface->Lock(pSurface,DSLF_READ, &imageData, &interlace
> );
> raster = imageData;
> pSurface->Unlock(pSurface);
> ret = pSurface->GetPalette(pSurface, &palette);
> if(ret == DFB_OK){
> ---------------------->>>>>>>not entering here
> palette->GetEntries(palette, Colors, 256, 0); --- i need this colors
> value in order to assign the right colors
> for(i=0;i<256;i++){
> (*alpha)[i] = Colors[i].a;
> (*red)[i] = Colors[i].r;
> (*blue)[i] = Colors[i].b;
> (*green)[i] = Colors[i].g;
>
> }
> }
> //pSurface->Release(pSurface); ----if i uncomment this line i dont get the
> image
> imgProvider->Release(imgProvider);
> dfb->Release(dfb);
>
> 1) i need the palette colors inorder to assign it as return value to my
> function to get the actual colors, so please help me out or any similar code
> will be helpful,
>
> thanks
> Anil
> _______________________________________________
> directfb-users mailing list
> directfb-users@directfb.org
> http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
>
>
--
Best Regards
Nikita Egorov
[EMAIL PROTECTED]
[EMAIL PROTECTED]
_______________________________________________
directfb-users mailing list
directfb-users@directfb.org
http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
