/**
* Adjusts the spacing for labels on all sides
*/
protected function LabelAdjustment($longest_v = 1000, $longest_h = 100)
{
// prevent parent from adjusting for Y-axis label and axis text
$y_label = !empty($this->label_v) ? $this->label_v : $this->label_y;
$show_axes = $this->show_axes;
$this->label_v = $this->label_y = $this->show_axes = NULL;
parent::LabelAdjustment($longest_v, $longest_h);
$this->label_v = $y_label;
$this->show_axes = $show_axes;
if ($this->show_axes) {
// y-axis labels don't affect graph padding, but it is needed by label
if ($this->show_axis_text_v) {
$len_v = strlen(is_string($longest_v) ? $longest_v : $this->NumString($longest_v)) + 1;
$this->pad_v_axis_label = $this->axis_font_size * ($len_v - 1) * $this->axis_font_adjust * cos(deg2rad($this->axis_text_angle_v)) + $this->axis_font_size + 2 * $this->axis_text_space;
}
$space = 0;
if ($this->show_axis_text_h) {
$space += $this->axis_font_size + 2 * $this->axis_text_space;
}
// pad for the axis divisions
$div_size = 0;
if ($this->show_divisions) {
$div_size = $this->division_size;
}
if ($this->show_subdivisions && $this->subdivision_size > $div_size) {
$div_size = $this->subdivision_size;
}
$space += $div_size;
$this->pad_top += $space;
$this->pad_left += $space;
$this->pad_right += $space;
$this->pad_bottom += $space;
}
}
