5 function y_axis_labels(){}
8 * @param $steps which labels are generated
10 function set_steps( $steps )
12 $this->steps
= $steps;
17 * @param $labels as an array of [y_axis_label or string]
19 function set_labels( $labels )
21 $this->labels
= $labels;
24 function set_colour( $colour )
26 $this->colour
= $colour;
32 function set_size( $size )
40 function set_vertical()
45 function rotate( $angle )
47 $this->rotate
= $angle;
51 * @param $text default text that all labels inherit
53 function set_text( $text )