render images greater than canvas

[josx]

If images have more width ot height than canvas (maybe after resizing windows or something) gives errors:

Uncaught IndexSizeError: Index or size was negative, or greater than the allowed value. vendor.js:30309
Kinetic.Image._drawImage vendor.js:30309
Kinetic.Image.drawFunc vendor.js:30309
Kinetic.Util.addMethods.drawScene vendor.js:30309
Kinetic.Util.addMethods.drawScene vendor.js:30309
Kinetic.Util.addMethods.drawScene vendor.js:30309
Kinetic.Util.addMethods.drawScene vendor.js:30309
Kinetic.Util.addMethods.draw vendor.js:30308
Kinetic.DD._endDragBefore