setViewScale(1.00)
window size: [980, 1678]
zoom scale: 0.33

setViewScale(0.50)
window size: [1960, 3357]
zoom scale: 0.16

setViewScale(2.00)
window size: [490, 839]
zoom scale: 0.65

setViewScale(1.00)
window size: [980, 1678]
zoom scale: 0.33