Getdim
From Sega Retro
This template obtains the width or height of a resized image, given the real dimensions of that image.
Usage
{{getdim|actual=320x224|w=160|output=h}}
returns: 112
{{getdim|actual=320x224|h=112|output=w}}
returns: 160
{{getdim|actual=320x224|h=112|w=1000|output=w}}
returns: 160
{{getdim|actual={{#mediadimensions:Sonic1 title.png}}|w=160|h=1000|output=w|var=sanic}}{{#var:sanic}}
returns: 160
{{getdim|file=Sonic1 title.png|w=1000|h=112|output=w}}
returns: 160