Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x166 [BFC] children: not-inline
    BlockContainer <(anonymous)> at (0,0) content-size 800x0 children: inline
      TextNode <#text>
    BlockContainer <body> at (8,8) content-size 784x150 children: not-inline
      BlockContainer <div.container> at (8,8) content-size 150x150 children: inline
        frag 0 from ImageBox start: 0, length: 0, rect: [8,8 150x150] baseline: 150
        ImageBox <img.replaced> at (8,8) content-size 150x150 children: not-inline
          (SVG-as-image isolated context)
          Viewport <#document> at (0,0) content-size 150x150 [BFC] children: not-inline
            SVGSVGBox <svg> at (0,0) content-size 150x150 [SVG] children: not-inline
              SVGGeometryBox <path> at (0,0) content-size 150x150 children: not-inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x166]
    PaintableWithLines (BlockContainer(anonymous)) [0,0 800x0]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x150]
      PaintableWithLines (BlockContainer<DIV>.container) [8,8 150x150]
        ImagePaintable (ImageBox<IMG>.replaced) [8,8 150x150]
