Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer at (0,0) content-size 800x116 [BFC] children: not-inline
BlockContainer at (8,8) content-size 400x100 children: not-inline
ImageBox ![]()
at (158,8) content-size 100x100 children: not-inline
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer) [0,0 800x116]
PaintableWithLines (BlockContainer) [8,8 400x100]
ImagePaintable (ImageBox![]()
) [158,8 100x100]