use devicePixelRatio for HiDPI screens
use devicePixelRatio for HiDPI screens
landaujs/atom-landau-viewer,matiasinsaurralde/atom-scad-preview,matiasinsaurralde/atom-scad-preview,apla/atom-jscad,landaujs/atom-landau-viewer,landaujs/atom-landau-viewer,apla/atom-jscad