No size constraints

No size information
Viewbox specified
Width and height specified
Width, height and viewbox

Width constrained

No size information
Viewbox specified
Width and height specified
Width, height and viewbox specified

Height constrained

No size information
Viewbox specified
Width and height specified
Width, height and viewbox

Width and height constrained

No size information
Viewbox specified
Width and height specified
Width, height and viewbox