/**
* Overridden to keep inner text in the middle
*/
public function DataLabelPosition($dataset, $index, &$item, $x, $y, $w, $h, $label_w, $label_h)
{
if ($dataset === 'innertext') {
return 'centre middle';
}
return parent::DataLabelPosition($dataset, $index, $item, $x, $y, $w, $h, $label_w, $label_h);
}
/**
* Returns the position for the label
*/
public function DataLabelPosition($dataset, $index, &$item, $x, $y, $w, $h, $label_w, $label_h)
{
$pos = parent::DataLabelPosition($dataset, $index, $item, $x, $y, $w, $h, $label_w, $label_h);
if (isset($this->slice_info[$index])) {
list($xo, $yo) = $this->GetExplode($item, $this->slice_info[$index]->start_angle + $this->s_angle, $this->slice_info[$index]->end_angle + $this->s_angle);
list($x1, $y1) = explode(' ', $pos);
if (is_numeric($x1) && is_numeric($y1)) {
$x1 += $xo;
$y1 += $yo;
} else {
// this shouldn't happen, but just in case
$x1 = $this->centre_x + $xo;
$y1 = $this->centre_y + $yo;
}
$pos = "{$x1} {$y1}";
} else {
$pos = 'middle centre';
}
return $pos;
}
