Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x136 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 120x120 children: not-inline
      BlockContainer <div> at (8,8) content-size 120x120 children: inline
        frag 0 from ImageBox start: 0, length: 0, rect: [8,8 120x120] baseline: 120
        ImageBox <img> at (8,8) content-size 120x120 children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x136]
    PaintableWithLines (BlockContainer<BODY>) [8,8 120x120]
      PaintableWithLines (BlockContainer<DIV>) [8,8 120x120]
        ImagePaintable (ImageBox<IMG>) [8,8 120x120]
