Returns the line index for a y, relative to the client area. The line index returned is always in the range 0..lineCount - 1.
@param y the y-coordinate pixel
@return the line index for a given y-coordinate pixel
@since 3.2
See Implementation
Returns the line index for a y, relative to the client area. The line index returned is always in the range 0..lineCount - 1.
@param y the y-coordinate pixel
@return the line index for a given y-coordinate pixel
@since 3.2