public void moveUp ( boolean isUnit , boolean isLarge , boolean isVeryLarge ) { double inc = isUnit ? this . vbar . getUnitIncrement ( ) : ( isLarge ? LARGE_MOVE_FACTOR : ( isVeryLarge ? VERY_LARGE_MOVE_FACTOR : STANDARD_MOVE_FACTOR ) ) * this . vbar . getBlockIncrement ( ) ; if ( ! isInvertedAxisY ( ) ) { inc = - inc ; } this . vbar . setValue ( Utils . clamp ( this . vbar . getMin ( ) , this . vbar . getValue ( ) + inc , this . vbar . getMax ( ) ) ) ; }
Move the viewport up .