nl_tokens: Grows the cropping rectange by ( dx dy ) in image space .
pl_tokens: void moveBy ( float dx , float dy ) { Rect invalRect = new Rect ( mDrawRect ) ; mCropRect . offset ( dx , dy ) ; // Put the cropping rectangle inside image rectangle. mCropRect . offset ( Math . <mask> ( 0 , mImageRect . left - mCropRect . left ) , Math . max ( 0 , mImageRect . top - mCropRect . top ) ) ; mCropRect . offset ( Math . min ( 0 , mImageRect . right - mCropRect . right ) , Math . min ( 0 , mImageRect . bottom - mCropRect . bottom ) ) ; mDrawRect = computeLayout ( ) ; invalRect . union ( mDrawRect ) ; invalRect . inset ( - 10 , - 10 ) ; mContext . invalidate ( invalRect ) ; }