C++ (Cpp) dfb_primary_layer_pixelformat示例

示例#1

文件： idirectfbimageprovider_android.c 项目： lelou6666/DirectFB-1.6.3-ab

static DFBResult
IDirectFBImageProvider_ANDROID_GetSurfaceDescription( IDirectFBImageProvider *thiz,
                                                      DFBSurfaceDescription  *desc )
{
     DFBResult             ret;
     DFBSurfacePixelFormat primary_format = dfb_primary_layer_pixelformat();

     DIRECT_INTERFACE_GET_DATA (IDirectFBImageProvider_ANDROID)

     if (!desc)
          return DFB_INVARG;

     ret = decodeImage( data );
     if (ret)
          return ret;

     desc->flags  = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT;

     if (data->alpha)
          desc->pixelformat = DFB_PIXELFORMAT_HAS_ALPHA(primary_format) ? primary_format : DSPF_ARGB;
          //desc->pixelformat = DSPF_ABGR;
     else
          desc->pixelformat = primary_format;

     desc->width  = data->width;
     desc->height = data->height;

     D_DEBUG_AT( imageProviderANDROID, "GetSurfaceDescription: width=%d height=%d pitch=%d has_alpha=%d pixelformat=%s/%s\n",
                 data->width, data->height, data->pitch, data->alpha, dfb_pixelformat_name(data->format), dfb_pixelformat_name(desc->pixelformat) );

     return DFB_OK;
}

示例#2

文件： matrox_bes.c 项目： ysei/uclinux-2

static DFBResult
besSetRegion( CoreLayer                  *layer,
              void                       *driver_data,
              void                       *layer_data,
              void                       *region_data,
              CoreLayerRegionConfig      *config,
              CoreLayerRegionConfigFlags  updated,
              CoreSurface                *surface,
              CorePalette                *palette,
              CoreSurfaceBufferLock      *lock )
{
     MatroxDriverData   *mdrv = (MatroxDriverData*) driver_data;
     MatroxBesLayerData *mbes = (MatroxBesLayerData*) layer_data;
     volatile u8        *mmio = mdrv->mmio_base;

     /* remember configuration */
     mbes->config = *config;

     /* set main configuration */
     if (updated & (CLRCF_WIDTH | CLRCF_HEIGHT | CLRCF_FORMAT |
                    CLRCF_OPTIONS | CLRCF_DEST | CLRCF_OPACITY | CLRCF_SOURCE))
     {
          bes_calc_regs( mdrv, mbes, config, surface, lock );
          bes_set_regs( mdrv, mbes, true );
     }

     /* set color key */
     if (updated & CLRCF_DSTKEY) {
          DFBColorKey key = config->dst_key;

          switch (dfb_primary_layer_pixelformat()) {
               case DSPF_RGB555:
               case DSPF_ARGB1555:
                    key.r >>= 3;
                    key.g >>= 3;
                    key.b >>= 3;
                    break;

               case DSPF_RGB16:
                    key.r >>= 3;
                    key.g >>= 2;
                    key.b >>= 3;
                    break;

               default:
                    ;
          }

          mga_out_dac( mmio, XCOLKEY0RED,   key.r );
          mga_out_dac( mmio, XCOLKEY0GREEN, key.g );
          mga_out_dac( mmio, XCOLKEY0BLUE,  key.b );
     }

示例#3

文件： idirectfbimageprovider_gif.c 项目： geekmaster/buildroot-kindle

static DFBResult
IDirectFBImageProvider_GIF_GetSurfaceDescription( IDirectFBImageProvider *thiz,
                                                  DFBSurfaceDescription  *dsc )
{
     DIRECT_INTERFACE_GET_DATA (IDirectFBImageProvider_GIF)

     dsc->flags       = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT;
     dsc->width       = data->image_width;
     dsc->height      = data->image_height;
     dsc->pixelformat = dfb_primary_layer_pixelformat();

     return DFB_OK;
}

示例#4

文件： idirectfbimageprovider_jpeg2000.c 项目： Distrotech/DirectFB

     return DFB_OK;
}

static DFBResult
IDirectFBImageProvider_JPEG2000_GetSurfaceDescription( IDirectFBImageProvider *thiz,
                                                  DFBSurfaceDescription  *desc )
{
     DIRECT_INTERFACE_GET_DATA( IDirectFBImageProvider_JPEG2000 )

     if (!desc)
          return DFB_INVARG;

     desc->flags       = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT;
     desc->width       = jas_image_width(data->image);
     desc->height      = jas_image_height(data->image);
     desc->pixelformat = dfb_primary_layer_pixelformat();

     return DFB_OK;
}

static DFBResult
IDirectFBImageProvider_JPEG2000_GetImageDescription( IDirectFBImageProvider *thiz,
                                                DFBImageDescription    *desc )
{
     DIRECT_INTERFACE_GET_DATA( IDirectFBImageProvider_JPEG2000 )

     if (!desc)
          return DFB_INVARG;

     desc->caps = DICAPS_NONE;