Interface of an object containing the ratio of custom data to devicePixelRatio. Used when needed to support screens with a ratio of virtual to physical pixels greater than one. As keys for the object, use strings consisting of whole numbers or fractions indicating the pixel density coefficient.





// Let's say we need to display the image correctly.
var images = {
    // For regular screens we'll display the normal picture.
    "1": "100x100.png",
    // For HTC Desire, Samsung Galaxy S II and others with devicePixelRatio = 1.5.
    "1.5": "150x150.png",
    // For Apple devices with the Retina screen, as well as for Sony Xperia S, HTC One X and others
    // with the ratio = 2.
    "2": "200x100.png"