/**
* Sets colorX and colorY coordinates according image width and height
*
* @param array $pixel ('x' => ..., 'y' => ...)
* @param string $position
* @param Varien_Image_Adapter_Abstract $adapter
* @return array
*/
protected function _prepareColor($pixel, $position, $adapter)
{
switch ($position) {
case Varien_Image_Adapter_Abstract::POSITION_BOTTOM_RIGHT:
$pixel['x'] = $adapter->getOriginalWidth() - 1;
$pixel['y'] = $adapter->getOriginalHeight() - 1;
break;
case Varien_Image_Adapter_Abstract::POSITION_BOTTOM_LEFT:
$pixel['x'] = 1;
$pixel['y'] = $adapter->getOriginalHeight() - 1;
break;
case Varien_Image_Adapter_Abstract::POSITION_TOP_LEFT:
$pixel['x'] = 1;
$pixel['y'] = 1;
break;
case Varien_Image_Adapter_Abstract::POSITION_TOP_RIGHT:
$pixel['x'] = $adapter->getOriginalWidth() - 1;
$pixel['y'] = 1;
break;
case Varien_Image_Adapter_Abstract::POSITION_STRETCH:
case Varien_Image_Adapter_Abstract::POSITION_TILE:
$pixel['x'] = round($adapter->getOriginalWidth() / 3);
$pixel['y'] = round($adapter->getOriginalHeight() / 3);
break;
}
return $pixel;
}