function watermark($fun = null)
{
//check if the function is defined
if ($fun) {
$fun($this->watermark);
}
//get the values from the current object
$overlay = $this->watermark->image;
$amount = $this->watermark->opacity;
$size = $this->watermark->size;
$padding = $this->watermark->padding;
$position = $this->watermark->position;
//load the defaults and create a filter
$width = $this->width;
$height = $this->height;
$filter = imagecreatetruecolor($width, $height);
//set options to make the background transparent
imagealphablending($filter, false);
imagesavealpha($filter, true);
//get the filter size and calculate the percentages
list($w, $h) = getimagesize($overlay);
$percent = $this->percent($size, $w);
$newwidth = $w * $percent;
$newheight = $h * $percent;
//create a watermark image
$watermark = new hashimage();
$png = $watermark->load($overlay)->image;
//get its position
$this->watermarkPosition($newwidth, $newheight);
//make the background transparent and copy the filter to frame with opacity
$transparent = imagecolorallocatealpha($filter, 255, 255, 255, 127);
imagefilledrectangle($filter, 0, 0, $width, $height, $transparent);
imagecopyresampled($filter, $png, $this->watermark->x, $this->watermark->y, 0, 0, $newwidth, $newheight, $w, $h);
//merge the images
$comp = imagecreatetruecolor($width, $height);
imagecopy($comp, $this->image, 0, 0, 0, 0, $width, $height);
imagecopy($comp, $filter, 0, 0, 0, 0, $width, $height);
imagecopymerge($this->image, $comp, 0, 0, 0, 0, $width, $height, $amount);
//remove the image from memory
imagedestroy($comp);
return $this;
}
public function cropimage()
{
$request = pathang::getInstance('request');
$username = $request->get('username');
$imagefile = 'img/users/' . $username . '_original.jpg';
$image_edit = 'img/users/' . $username . '.jpg';
$edit_page = ROOT . $username . '/edit';
require_once 'lib/hashimage/hashimage.php';
$image = new hashimage();
$image->load($imagefile);
$a_width = $image->width;
$a_height = $image->height;
if ($a_width > 599) {
$percent = $a_width / 600;
} else {
$percent = 1;
}
$x = 0;
$y = 0;
$width = $a_width;
$height = $a_height;
if (!$request->get('w')) {
exit;
}
if ($request->get('x')) {
$x = $request->get('x');
}
if ($request->get('y')) {
$y = $request->get('y');
}
if ($request->get('w')) {
$width = $request->get('w');
}
if ($request->get('h')) {
$height = $request->get('h');
}
$x = $x * $percent;
$width = $width * $percent;
$y = $y * $percent;
$height = $height * $percent;
echo $x . ' ' . $y . ' ' . $width . ' ' . $height;
//exit();
$image = new hashimage();
$image->load($imagefile)->crop($x, $y, $width, $height)->save($image_edit);
header('Location: ' . $edit_page);
}
