/**
* Add Watermark as Image
*
* @param $image_path - Image path to place as watermark on image
* @param $vertical_position - Set vertical position of the text that will be placed on image
* @param $horizontal_position - Set horizonal position of the text that will be placed on image
* @param $margin - Margin text by spacing from corners
* @return void
*/
public function addWatermarkImage($image_path, $vertical_position, $horizontal_position, $margin = 5)
{
if (file_exists($image_path)) {
$valid_vpositions = array(self::IMAGE_POSITION_TOP, self::IMAGE_POSITION_CENTER, self::IMAGE_POSITION_BOTTOM);
$valid_hpositions = array(self::IMAGE_POSITION_LEFT, self::IMAGE_POSITION_CENTER, self::IMAGE_POSITION_RIGHT);
$watermark = new ImageTools($image_path);
if (in_array($vertical_position, $valid_vpositions, true) && in_array($horizontal_position, $valid_hpositions, true)) {
$x_padd = 0;
$y_padd = 0;
$w_width = $watermark->getX();
$w_height = $watermark->getY();
$im_width = $this->getX();
$im_height = $this->getY();
// Set X-Position
if ($horizontal_position == self::IMAGE_POSITION_LEFT) {
$x_padd = $margin;
} else {
if ($horizontal_position == self::IMAGE_POSITION_CENTER) {
$x_padd = floor($im_width / 2) - floor($w_width / 2);
} else {
$x_padd = $im_width - $w_width - $margin;
}
}
// Set Y-Position
if ($vertical_position == self::IMAGE_POSITION_CENTER) {
$y_padd = floor($im_height / 2) - floor($w_height / 2);
} else {
if ($vertical_position == self::IMAGE_POSITION_BOTTOM) {
$y_padd = $im_height - floor($w_height) - $margin;
} else {
$y_padd += $margin;
}
}
imagecopy($this->im, $watermark->getIm(), $x_padd, $y_padd, 0, 0, imagesx($watermark->getIm()), imagesy($watermark->getIm()));
//$watermark->destroy();
} else {
$this->parseError("Invalid Watermark image position!");
}
} else {
$this->parseError("Invalid image path!");
}
}
