[Crop] Fix max edge + ratio computation
[Crop] Fix max edge + ratio computation

shelsonjava/darkroomjs,marcelgruber/darkroomjs,Ahimta/darkroomjs,orekasep/darkroomjs,Drooids/darkroomjs,marcelgruber/darkroomjs,oceanwap/darkroomjs,orekasep/darkroomjs,Drooids/darkroomjs,mstevens/darkroomjs,MattKetmo/darkroomjs,MattKetmo/darkroomjs,marcelgruber/darkroomjs,Ahimta/darkroomjs,mstevens/darkroomjs,shelsonjava/darkroomjs,Ahimta/darkroomjs,cartogram/darkroomjs,PhantomXCool/darkroomjs,Drooids/darkroomjs,orekasep/darkroomjs,cartogram/darkroomjs,shelsonjava/darkroomjs,mstevens/darkroomjs,oceanwap/darkroomjs,PhantomXCool/darkroomjs,cartogram/darkroomjs