public function executa()
{
if ($_SERVER['REQUEST_METHOD'] == "POST") {
// image name
$name = sha1(uniqid(mt_rand(), true));
// location to save cropped image
$url = 'imagens-usuarios/cortada/' . $name . '.jpg';
$dst_x = 0;
$dst_y = 0;
$src_x = $_POST['x'];
// crop Start x
$src_y = $_POST['y'];
// crop Srart y
$src_w = $_POST['w'];
// $src_x + $dst_w
$src_h = $_POST['h'];
// $src_y + $dst_h
// set a specific size for the image
// the default is to grab the width and height from the cropped imagee.
$dst_w = 240;
$dst_h = 240;
// remove the base64 part
$base64 = $_POST['image'];
// if URL is a base64 string
if (substr($base64, 0, 5) == 'data:') {
// remove data from image
$base64 = preg_replace('#^data:image/[^;]+;base64,#', '', $base64);
$base64 = base64_decode($base64);
// create image from string
$source = imagecreatefromstring($base64);
} else {
// strip parameters from URL
$base64 = strtok($base64, '?');
list($height, $width, $type) = getimagesize($base64);
// create image
if ($type == 1) {
$source = imagecreatefromgif($base64);
} else {
if ($type == 2) {
$source = imagecreatefromjpeg($base64);
} else {
if ($type == 3) {
$source = imagecreatefrompng($base64);
// keep transparent background
imagealphablending($image, FALSE);
imagesavealpha($image, TRUE);
} else {
die;
}
}
}
}
// resize image variable
$image = imagecreatetruecolor($dst_w, $dst_h);
// process cropping and resizing of image
imagecopyresampled($image, $source, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
// save image
imagejpeg($image, $url, 100);
$dao = new PessoaDAO();
$opcaoSessao = key($_SESSION);
$idPessoa = $opcaoSessao == 'pessoa' ? $_SESSION['pessoa']['id'] : $_SESSION['usuario']['idParaEditar'];
$dao->insereFoto($idPessoa, $url);
$dao->insereFotoOriginal($idPessoa, $this->removeEndereco($_SESSION['imagem-alterada']));
$_SESSION[$opcaoSessao]['foto'] = $this->adicionaEndereco($url);
$_SESSION[$opcaoSessao]['fotoOriginal'] = $this->adicionaEndereco($_SESSION['imagem-alterada']);
unset($_SESSION['imagem-alterada']);
// return URL
$validation = array('url' => $url);
echo json_encode($validation);
}
}