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+0 166 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 150 0+0+8] children: inline
      frag 0 from ImageBox start: 0, length: 0, rect: [8,8 300x150] baseline: 150
      ImageBox <img> at [8,8] [0+0+0 300 0+0+0] [0+0+0 150 0+0+0] children: not-inline
        (SVG-as-image isolated context)
        Viewport <#document> at [0,0] [0+0+0 300 0+0+0] [0+0+0 150 0+0+0] [BFC] children: not-inline
          SVGSVGBox <svg> at [0,0] [0+0+0 300 0+0+0] [0+0+0 150 0+0+0] [SVG] children: not-inline
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x166]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x150]
      ImagePaintable (ImageBox<IMG>) [8,8 300x150]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x166] [children: 0] (z-index: auto)
