C++ (Cpp) DFB_REGION_INIT_TRANSLATED Beispiele

Beispiel #1

Datei: idirectfbsurface_layer.c Projekt: geekmaster/buildroot-kindle

static DFBResult
IDirectFBSurface_Layer_Flip( IDirectFBSurface    *thiz,
                             const DFBRegion     *region,
                             DFBSurfaceFlipFlags  flags )
{
     DFBRegion reg;

     DIRECT_INTERFACE_GET_DATA(IDirectFBSurface_Layer)

     D_DEBUG_AT( Surface, "%s( %p, %p, 0x%08x )\n", __FUNCTION__, thiz, region, flags );

     if (!data->base.surface)
          return DFB_DESTROYED;

     if (data->base.locked)
          return DFB_LOCKED;

     if (!data->base.area.current.w || !data->base.area.current.h ||
         (region && (region->x1 > region->x2 || region->y1 > region->y2)))
          return DFB_INVAREA;


     IDirectFBSurface_StopAll( &data->base );

     if (data->base.parent) {
          IDirectFBSurface_data *parent_data;

          DIRECT_INTERFACE_GET_DATA_FROM( data->base.parent, parent_data, IDirectFBSurface );

          if (parent_data) {
               /* Signal end of sequence of operations. */
               dfb_state_lock( &parent_data->state );
               dfb_state_stop_drawing( &parent_data->state );
               dfb_state_unlock( &parent_data->state );
          }
     }

     dfb_region_from_rectangle( &reg, &data->base.area.current );

     if (region) {
          DFBRegion clip = DFB_REGION_INIT_TRANSLATED( region,
                                                       data->base.area.wanted.x,
                                                       data->base.area.wanted.y );

          if (!dfb_region_region_intersect( &reg, &clip ))
               return DFB_INVAREA;
     }

     D_DEBUG_AT( Surface, "  -> FLIP %4d,%4d-%4dx%4d\n", DFB_RECTANGLE_VALS_FROM_REGION( &reg ) );

     return CoreLayerRegion_FlipUpdate( data->region, &reg, flags );
}

Beispiel #2

Datei: foo.c Projekt: maxupunk/DIR685

static void
foo_update( StretRegion     *region,
            void            *region_data,
            void            *update_data,
            unsigned long    arg,
            int              x,
            int              y,
            const DFBRegion *updates,
            int              num )
{
     int                      i;
     DFBRegion                clip;
     DFBDimension             size;
     bool                     visible;
     WMShared                *shared;
     UniqueContext           *context;
     UniqueWindow            *window = region_data;
     CardState               *state  = update_data;
     DFBSurfaceBlittingFlags  flags  = DSBLIT_NOFX;

     D_ASSERT( region != NULL );
     D_ASSERT( region_data != NULL );
     D_ASSERT( update_data != NULL );
     D_ASSERT( updates != NULL );

     D_MAGIC_ASSERT( window, UniqueWindow );
     D_MAGIC_ASSERT( state, CardState );

     shared = window->shared;

     D_MAGIC_ASSERT( shared, WMShared );
     D_ASSERT( shared->foo_surface != NULL );

     context = window->context;

     D_MAGIC_ASSERT( context, UniqueContext );

     visible = D_FLAGS_IS_SET( window->flags, UWF_VISIBLE );

     D_DEBUG_AT( UniQuE_Foo, "foo_update( region %p, window %p, visible %s, num %d )\n",
                 region, window, visible ? "yes" : "no", num );
#if D_DEBUG_ENABLED
     for (i=0; i<num; i++) {
          D_DEBUG_AT( UniQuE_Foo, "    (%d)  %4d,%4d - %4dx%4d\n",
                      i, DFB_RECTANGLE_VALS_FROM_REGION( &updates[i] ) );
     }
#endif

     if (!visible)
          return;

     stret_region_get_size( region, &size );

     /* Use per pixel alpha blending. */
     flags |= DSBLIT_BLEND_ALPHACHANNEL;

     /* Use global alpha blending. */
     if (window->opacity != 0xFF) {
          flags |= DSBLIT_BLEND_COLORALPHA;

          /* Set opacity as blending factor. */
          if (state->color.a != window->opacity) {
               state->color.a   = window->opacity;
               state->modified |= SMF_COLOR;
          }
     }

     /* Use colorizing if the color is not white. */
     if (context->color.r != 0xff || context->color.g != 0xff || context->color.b != 0xff) {
          flags |= DSBLIT_COLORIZE;

          state->color.r = context->color.r;
          state->color.g = context->color.g;
          state->color.b = context->color.b;

          state->modified |= SMF_COLOR;
     }

     /* Set blitting flags. */
     dfb_state_set_blitting_flags( state, flags );

     /* Set blitting source. */
     state->source    = shared->foo_surface;
     state->modified |= SMF_SOURCE;

     switch (arg) {
          case UFI_N:
          case UFI_E:
          case UFI_S:
          case UFI_W:
               clip = state->clip;

/*               for (i=0; i<num; i++) {
                    DFBRegion    update = DFB_REGION_INIT_TRANSLATED( &updates[i], x, y );
                    DFBRectangle source = shared->foo_rects[arg];
                    DFBRectangle dest   = { x, y, size.w, size.h };

                    dfb_state_set_clip( state, &update );

                    dfb_gfxcard_stretchblit( &source, &dest, state );
               }*/
               for (i=0; i<num; i++) {
                    DFBRegion    update = DFB_REGION_INIT_TRANSLATED( &updates[i], x, y );
                    DFBRectangle source = shared->foo_rects[arg];

                    dfb_state_set_clip( state, &update );

                    dfb_gfxcard_tileblit( &source, x, y, x + size.w - 1, y + size.h - 1, state );
               }

               dfb_state_set_clip( state, &clip );
               break;

          case UFI_NE:
          case UFI_SE:
          case UFI_SW:
          case UFI_NW:
               for (i=0; i<num; i++) {
                    DFBRectangle rect = DFB_RECTANGLE_INIT_FROM_REGION( &updates[i] );

                    dfb_rectangle_translate( &rect, shared->foo_rects[arg].x, shared->foo_rects[arg].y );

                    dfb_gfxcard_blit( &rect, x + updates[i].x1, y + updates[i].y1, state );
               }
               break;

          default:
               D_BUG( "invalid arg" );
     }

     /* Reset blitting source. */
     state->source    = NULL;
     state->modified |= SMF_SOURCE;
}