Add a number param
Revert "Add a number param"

This reverts commit d34146521b27adede5192f12a8555d194f34946c.
Revert "Add "setAspectRatio" method"

This reverts commit 105a1f92a088125235207c85ad8681fae075afce.
Revert "Add "getImgInfo" method"

This reverts commit 0e2fcf0dc331013a6c0b36e832370c3a420de557.