/**
* Adds an image watermark to the current image
*/
public function watermark($file = "", $position = "bottom right", $margin = 10)
{
try {
$wmrk = new Image();
$wmrk->load($file);
$wmrk->maxSize(min($this->getWidth(), $this->getHeight()) - $margin * 2);
$position = strtolower(Sanitize::toAlnum($position));
$minX = $margin;
$minY = $margin;
$centerX = ($this->getWidth() - $wmrk->getWidth()) / 2;
$centerY = ($this->getHeight() - $wmrk->getHeight()) / 2;
$maxX = $this->getWidth() - $wmrk->getWidth() - $margin;
$maxY = $this->getHeight() - $wmrk->getHeight() - $margin;
$xPos = $maxX;
$yPos = $maxY;
if (strpos($position, "top") !== false) {
$yPos = $minY;
} else {
if (strpos($position, "middle") !== false) {
$yPos = $centerY;
} else {
if (strpos($position, "bottom") !== false) {
$yPos = $maxY;
}
}
}
if (strpos($position, "left") !== false) {
$xPos = $minX;
} else {
if (strpos($position, "center") !== false) {
$xPos = $centerX;
} else {
if (strpos($position, "right") !== false) {
$xPos = $maxX;
}
}
}
return imagecopy($this->img_source, $wmrk->getResource(), $xPos, $yPos, 0, 0, $wmrk->getWidth(), $wmrk->getHeight());
} catch (Exception $e) {
}
return false;
}
