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<?php
/**
* @author darkfriend <hi@darkfriend.ru>
* @copyright dev2fun
* @version 0.4.0
*/
namespace Dev2fun\ImageCompress;
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\Config\Option;
IncludeModuleLangFile(__FILE__);
class Gif
{
private static $instance;
public $lastError;
private $MODULE_ID = 'dev2fun.imagecompress';
private $path = '';
private $active = false;
private static $isOptim = null;
public function __construct()
{
$this->path = Option::get($this->MODULE_ID, 'path_to_gif', '/usr/bin');
$this->active = Option::get($this->MODULE_ID, 'enable_gif', 'N') === 'Y';
}
/**
* @static
* @return Ps2Pdf
*/
public static function getInstance()
{
if (!isset(self::$instance)) {
$c = __CLASS__;
self::$instance = new $c;
}
return self::$instance;
}
/**
* Return has active state
* @return bool
*/
public function isActive(): bool
{
return $this->active;
}
/**
* Check optimize for gif
* @param string|null $path
* @return bool
*/
public function isOptim(?string $path = null)
{
if (!$path) {
$path = $this->path;
}
if (self::$isOptim === null || $path !== $this->path) {
exec($path . '/gifsicle --version', $s);
self::$isOptim = (bool)$s;
}
return self::$isOptim;
}
/**
* Процесс оптимизации JPEG
* @param string $strFilePath - абсолютный путь до картинки
* @param array $params - дополнительные параметры
* @return bool
* @throws \Exception
*/
public function compress($strFilePath, $params = [])
{
if(!$this->isActive()) {
$this->lastError = 'no_active';
return false;
}
$strFilePath = strtr(
$strFilePath,
[
' ' => '\ ',
'(' => '\(',
')' => '\)',
']' => '\]',
'[' => '\[',
]
);
if(empty($params['compression'])) {
$params['compression'] = Option::get($this->MODULE_ID, 'gif_compress', 2);
}
$event = new \Bitrix\Main\Event(
$this->MODULE_ID,
"OnBeforeResizeImageGif",
[&$strFilePath, &$params]
);
$event->send();
$strCommand = '';
if(!empty($params['compression'])) {
$strCommand .= "-O{$params['compression']} ";
}
exec($this->path . "/gifsicle $strCommand $strFilePath -o $strFilePath 2>&1", $res);
if (!empty($params['changeChmod'])) {
chmod($strFilePath, $params['changeChmod']);
}
$event = new \Bitrix\Main\Event(
$this->MODULE_ID,
"OnAfterResize",
[&$strFilePath]
);
$event->send();
return true;
}
public function getOptionsSettings($advanceSettings=[])
{
$settings = [
'gif_compress' => 'string',
];
$post = [
'checkbox' => [],
'string' => [],
];
foreach ($settings as $option=>$setting) {
if(empty($advanceSettings[$setting][$option])) {
if($setting==='checkbox') {
$post[$setting][$option] = 'N';
} else {
$post[$setting][$option] = '';
}
} else {
$post[$setting][$option] = $advanceSettings[$setting][$option];
}
}
return $post;
}
}