Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 416 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 400 0+0+8] children: inline
      TextNode <#text> (not painted)
      InlineNode <picture> at [8,8] [0+0+0 400 0+0+0] [0+0+0 400 0+0+0]
        frag 0 from ImageBox start: 0, length: 0, rect: [8,8 400x400] baseline: 400
        TextNode <#text> (not painted)
        InlineNode <source> at [8,8] [0+0+0 0 0+0+0] [0+0+0 18 0+0+0]
        TextNode <#text> (not painted)
        ImageBox <img> at [8,8] [0+0+0 400 0+0+0] [0+0+0 400 0+0+0] children: not-inline
        TextNode <#text> (not painted)
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x416]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x400]
      PaintableWithLines (InlineNode<PICTURE>) [8,8 400x400]
        PaintableWithLines (InlineNode<SOURCE>) [8,8 0x18]
        ImagePaintable (ImageBox<IMG>) [8,8 400x400]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x416] [children: 0] (z-index: auto)
