/**
* Image Resource ID for Watermark
*
* @var string
*
*/
function ngg_Thumbnail($fileName, $no_ErrorImage = false)
{
//make sure the GD library is installed
if (!function_exists("gd_info")) {
echo 'You do not have the GD Library installed. This class requires the GD library to function properly.' . "\n";
echo 'visit http://us2.php.net/manual/en/ref.image.php for more information';
C_NextGEN_Bootstrap::shutdown();
}
//initialize variables
$this->errmsg = '';
$this->error = false;
$this->currentDimensions = array();
$this->newDimensions = array();
$this->fileName = $fileName;
$this->percent = 100;
$this->maxWidth = 0;
$this->maxHeight = 0;
$this->watermarkImgPath = '';
$this->watermarkText = '';
//check to see if file exists
if (!file_exists($this->fileName)) {
$this->errmsg = 'File not found';
$this->error = true;
} elseif (!is_readable($this->fileName)) {
$this->errmsg = 'File is not readable';
$this->error = true;
}
//if there are no errors, determine the file format
if ($this->error == false) {
$data = @getimagesize($this->fileName);
if (isset($data) && is_array($data)) {
$extensions = array('1' => 'GIF', '2' => 'JPG', '3' => 'PNG');
$extension = array_key_exists($data[2], $extensions) ? $extensions[$data[2]] : '';
if ($extension) {
$this->format = $extension;
} else {
$this->errmsg = 'Unknown file format';
$this->error = true;
}
} else {
$this->errmsg = 'File is not an image';
$this->error = true;
}
}
// increase memory-limit if possible, GD needs this for large images
// @ini_set('memory_limit', '128M');
if ($this->error == false) {
// Check memory consumption if file exists
$this->checkMemoryForImage($this->fileName);
}
//initialize resources if no errors
if ($this->error == false) {
switch ($this->format) {
case 'GIF':
$this->oldImage = ImageCreateFromGif($this->fileName);
break;
case 'JPG':
$this->oldImage = ImageCreateFromJpeg($this->fileName);
break;
case 'PNG':
$this->oldImage = ImageCreateFromPng($this->fileName);
break;
}
if (!$this->oldImage) {
$this->errmsg = 'Create Image failed. Check memory limit';
$this->error = true;
} else {
$size = GetImageSize($this->fileName);
$this->currentDimensions = array('width' => $size[0], 'height' => $size[1]);
$this->newImage = $this->oldImage;
}
}
if ($this->error == true) {
if (!$no_ErrorImage) {
$this->showErrorImage();
}
return;
}
}
function createNewThumb()
{
global $ngg;
// check for correct capability
if (!is_user_logged_in()) {
die('-1');
}
// check for correct NextGEN capability
if (!current_user_can('NextGEN Manage gallery')) {
die('-1');
}
$id = (int) $_POST['id'];
$picture = nggdb::find_image($id);
$x = round($_POST['x'] * $_POST['rr'], 0);
$y = round($_POST['y'] * $_POST['rr'], 0);
$w = round($_POST['w'] * $_POST['rr'], 0);
$h = round($_POST['h'] * $_POST['rr'], 0);
$crop_frame = array('x' => $x, 'y' => $y, 'width' => $w, 'height' => $h);
$registry = C_Component_Registry::get_instance();
$storage = C_Gallery_Storage::get_instance();
// XXX NextGEN Legacy wasn't handling watermarks or reflections at this stage, so we're forcefully disabling them to maintain compatibility
$params = array('watermark' => false, 'reflection' => false, 'crop' => true, 'crop_frame' => $crop_frame);
$result = $storage->generate_thumbnail($id, $params);
if ($result) {
echo "OK";
} else {
header('HTTP/1.1 500 Internal Server Error');
echo "KO";
}
C_NextGEN_Bootstrap::shutdown();
}
/**
* Checks the 'callback' parameter for possible ajax-like actions to take
*
* @param $wp
*/
function check_request($wp)
{
$app = C_Component_Registry::get_instance()->get_utility('I_Router')->get_routed_app();
if (!$app->get_parameter('callback')) {
return;
}
switch ($app->get_parameter('callback')) {
case 'imagerotator':
require_once dirname(__FILE__) . '/xml/imagerotator.php';
break;
case 'json':
require_once dirname(__FILE__) . '/xml/json.php';
break;
case 'image':
require_once dirname(__FILE__) . '/nggshow.php';
break;
default:
return;
}
C_NextGEN_Bootstrap::shutdown();
}
/**
* Executes an action of a particular controller
* @param array $handler
*/
function execute_route_handler($handler)
{
// Get action
$action = $handler['action'];
// Get controller
$controller = $this->object->get_registry()->get_utility($handler['controller'], $handler['context']);
// Call action
$controller->{$action}();
// Clean Exit (fastcgi safe)
C_NextGEN_Bootstrap::shutdown();
}
// check ratio to decide which side should be resized
$ratio_h < $h || $ratio_w == $w ? $thumb->resize(0, $h) : $thumb->resize($w, 0);
// get the best start postion to crop from the middle
$ypos = ($thumb->currentDimensions['height'] - $h) / 2;
$thumb->crop(0, $ypos, $w, $h);
} else {
$thumb->resize($w, $h);
}
}
// Apply effects according to the mode parameter
if ($mode == 'watermark') {
if ($ngg_options['wmType'] == 'image') {
$thumb->watermarkImgPath = $ngg_options['wmPath'];
$thumb->watermarkImage($ngg_options['wmPos'], $ngg_options['wmXpos'], $ngg_options['wmYpos']);
} else {
if ($ngg_options['wmType'] == 'text') {
$thumb->watermarkText = $ngg_options['wmText'];
$thumb->watermarkCreateText($ngg_options['wmColor'], $ngg_options['wmFont'], $ngg_options['wmSize'], $ngg_options['wmOpaque']);
$thumb->watermarkImage($ngg_options['wmPos'], $ngg_options['wmXpos'], $ngg_options['wmYpos']);
}
}
} else {
if ($mode == 'web20') {
$thumb->createReflection(40, 40, 50, false, '#a4a4a4');
}
}
// Show thumbnail
$thumb->show();
$thumb->destruct();
C_NextGEN_Bootstrap::shutdown();
