Disable touch on transparent area of a sticker.

[the-aditya]

Bounds of a sticker contains the transparent are of a sticker too.. isInStickerArea() return true if the touch coordinates is with in the bound of sticker ..event the transparent area.. the issue is when sticker is overlapped i can select sticker below coz transparent are of sticker above is also within the bound. How can we solve it? disable touch on transparent portion of the sticker?