public function setColor($color)
{
$this->_color = Rgb::normalize($color);
return $this;
}
/**
*
* @param type $angle
* @param array $backgroundColor
*/
public function rotate($angle, $backgroundColor = null)
{
$backgroundColor = $backgroundColor ? Rgb::normalize($backgroundColor) : new Rgb(0, 0, 0, 127);
// create color
$backgroundColorId = imageColorAllocateAlpha($this->_resource, $backgroundColor->getRed(), $backgroundColor->getGreen(), $backgroundColor->getBlue(), $backgroundColor->getAlpha());
// rotate image
$rotatedImageResource = imagerotate($this->_resource, $angle, $backgroundColorId, true);
imagealphablending($rotatedImageResource, false);
imagesavealpha($rotatedImageResource, true);
$this->loadResource($rotatedImageResource);
return $this;
}