/**
* Places an image on top of another image
* In case you want to overlay transparent images, use PNGs only
*
* @param string $strImage The image to place into the loaded image
* @param int $intX
* @param int $intY
* @param bool $bitCache
*
* @return bool
*/
public function overlayImage($strImage, $intX = 0, $intY = 0, $bitCache = false)
{
$bitReturn = false;
//register for using the caching
$this->strCacheAdd .= $strImage;
//Cache?
if ($bitCache) {
//create cachename
$this->strCachename = $this->generateCachename();
if (is_file(_realpath_ . $this->strCachepath . $this->strCachename)) {
$this->bitNeedToSave = false;
return true;
}
}
$this->bitNeedToSave = true;
//load image
if ($this->objImage == null && $this->bitPreload) {
$this->finalLoadImage();
}
//load the other image into the system using another instance
$objOverlayImage = new class_image();
if ($objOverlayImage->loadImage($strImage)) {
imagealphablending($this->objImage, true);
//merge pics
$objOverlayResource = $objOverlayImage->getImageResource();
imagealphablending($objOverlayResource, true);
$bitReturn = imagecopy($this->objImage, $objOverlayResource, $intX, $intY, 0, 0, $objOverlayImage->getIntWidth(), $objOverlayImage->getIntHeight());
//$bitReturn = imagecopymerge($this->objImage, $objOverlayResource, $intX, $intY, 0, 0, $objOverlayImage->getIntWidth(), $objOverlayImage->getIntHeight(), 100);
}
return $bitReturn;
}
