/**
* Export question areas.
*
* @param Coords $coords
*
* @return \stdClass
*/
private function exportArea(Coords $coords)
{
$exportData = new \stdClass();
$exportData->id = $coords->getId();
$exportData->color = $coords->getColor();
$position = explode(',', $coords->getValue());
switch ($coords->getShape()) {
case 'circle':
$exportData->shape = 'circle';
$exportData->radius = $coords->getSize() / 2;
// We store the top left corner, so we need to calculate the real center
$center = $this->exportCoords($position);
$center->x += $exportData->radius;
$center->y += $exportData->radius;
$exportData->center = $center;
break;
case 'square':
$exportData->shape = 'rect';
$exportData->coords = [$this->exportCoords($position), $this->exportCoords([$position[0] + $coords->getSize(), $position[1] + $coords->getSize()])];
break;
}
return $exportData;
}