Sets $workingImage.
| public setWorkingImage ( object $workingImage ) | ||
| $workingImage | object | |
/**
* Add logo to image
* @param logoFileName - file name of logo image in jpg or png format
* @param positionX - Position of logo image on X-axis ('left', 'center', 'right' or plain number)
* @param positionY - Position of logo image on X-axis ('top', 'center', 'bottom' or plain number)
* @param alpha - alpha value for logo merging in percent
*/
public function addLogo($logoFileName, $positionX, $positionY, $alpha, &$that)
{
$logo_size = getimagesize($logoFileName);
// bring stuff from the parent class into this class...
$this->parentInstance = $that;
$this->oldImage = $this->parentInstance->getOldImage();
$this->parentInstance->setWorkingImage($this->oldImage);
$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
$this->workingImage = $this->parentInstance->getWorkingImage();
$this->options = $this->parentInstance->getOptions();
$src_dimension = array("x" => $this->currentDimensions['width'], "y" => $this->currentDimensions['height']);
$logo_dimension = array("x" => $logo_size[0], "y" => $logo_size[1]);
$center = array("x" => $src_dimension["x"] / 2 - $logo_dimension["x"] / 2, "y" => $src_dimension["y"] / 2 - $logo_dimension["y"] / 2);
$logo_positionX["left"] = 0;
$logo_positionX["center"] = $center["x"];
$logo_positionX["right"] = $src_dimension["x"] - $logo_dimension["x"];
$logo_positionY["top"] = 0;
$logo_positionY["center"] = $center["y"];
$logo_positionY["bottom"] = $src_dimension["y"] - $logo_dimension["y"];
if (is_numeric($positionX)) {
$logo_position["x"] = $positionX;
} else {
$logo_position["x"] = $logo_positionX[$positionX];
}
if (is_numeric($positionY)) {
$logo_position["y"] = $positionY;
} else {
$logo_position["y"] = $logo_positionY[$positionY];
}
switch (exif_imagetype($logoFileName)) {
case IMAGETYPE_JPEG:
$logo = imagecreatefromjpeg($logoFileName);
break;
case IMAGETYPE_PNG:
$logo = imagecreatefrompng($logoFileName);
break;
}
imagecopymerge($this->workingImage, $logo, $logo_position["x"], $logo_position["y"], 0, 0, $logo_dimension["x"], $logo_dimension["y"], $alpha);
return $that;
}
