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Center canvas with an extended margin: auto trick. Gets rid of half-pixel positions possible with translate().

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Simo Kinnunen
2014-09-12 22:50:34 +09:00
parent 5ade5fd61c
commit c6f63be01c
3 changed files with 20 additions and 11 deletions
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8
res/app/components/stf/screen/screen-directive.js
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@@ -227,16 +227,16 @@ module.exports = function DeviceScreenDirective($document, ScalingService,
// changes from 180 to 270 (it will do a reverse rotation).
switch (screen.rotation) {
case 0:
canvas.style[cssTransform] = 'translate(-50%, -50%) rotate(0deg)'
canvas.style[cssTransform] = 'rotate(0deg)'
break
case 90:
canvas.style[cssTransform] = 'translate(-50%, -50%) rotate(-90deg)'
canvas.style[cssTransform] = 'rotate(-90deg)'
break
case 180:
canvas.style[cssTransform] = 'translate(-50%, -50%) rotate(-180deg)'
canvas.style[cssTransform] = 'rotate(-180deg)'
break
case 270:
canvas.style[cssTransform] = 'translate(-50%, -50%) rotate(90deg)'
canvas.style[cssTransform] = 'rotate(90deg)'
break
}
}