Interface definition for a callback to be invoked when a tick mark is about to be drawn.
Notification that a tick mark is about to be drawn.
Notification that a tick mark is about to be drawn. This method is responsible for drawing the label, label background and the tick mark line on to the canvas. The tick mark line is actually represented as a Rect rather than a simple line.
|canvas||The canvas on which to draw the tick mark.|
|tickMark||The tick mark.|
|labelBackgroundRect||The Rect which will be used to draw the label background.|
|tickMarkRect||The Rect which will be used to draw the tick mark line.|
|axis||The axis which the tick mark belongs to.|