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<?php
/**
* @author darkfriend <hi@darkfriend.ru>
* @copyright dev2fun
* @version 0.7.4
*/
namespace Dev2fun\ImageCompress;
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\Config\Option;
IncludeModuleLangFile(__FILE__);
class Ps2Pdf
{
private static $instance;
public $lastError;
private $MODULE_ID = 'dev2fun.imagecompress';
private $path = '';
private $pdfSetting = 'ebook';
private static $isOptim = null;
private $active = false;
/**
* @param string|null $siteId
*/
public function __construct()
{
$this->path = Option::get($this->MODULE_ID, 'path_to_ps2pdf', '');
$this->active = Option::get($this->MODULE_ID, 'enable_pdf', 'N') === 'Y';
$this->pdfSetting = Option::get($this->MODULE_ID, 'pdf_setting', 'ebook');
}
/**
* Return has active state
* @return bool
*/
public function isActive(): bool
{
return $this->active;
}
/**
* @static
* @return Ps2Pdf
*/
public static function getInstance()
{
if (!isset(self::$instance)) {
$c = __CLASS__;
self::$instance = new $c;
}
return self::$instance;
}
/**
* Check available optimization pdf
* @return bool
* @deprecated
* @uses isOptim()
*/
public function isPdfOptim()
{
return $this->isOptim();
}
/**
* Check available optimization pdf
* @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 . '/gs -v', $s);
self::$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->active) {
$this->lastError = 'no_active';
return false;
}
$strFilePath = \strtr(
$strFilePath,
[
' ' => '\ ',
'(' => '\(',
')' => '\)',
']' => '\]',
'[' => '\[',
]
);
if(!isset($params['pdfSetting'])) {
$params['pdfSetting'] = $this->pdfSetting;
}
$event = new \Bitrix\Main\Event(
$this->MODULE_ID,
"OnBeforeResizeImagePs2Pdf",
[&$strFilePath, &$params]
);
$event->send();
$strFilePathNew = $strFilePath.'.pdf';
$strCommand = "-sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/{$params['pdfSetting']} -dNOPAUSE -dQUIET -dBATCH";
\exec($this->path . "/gs {$strCommand} -sOutputFile='{$strFilePathNew}' '{$strFilePath}' 2>&1", $res);
// exec($this->path . "/ps2pdf $strCommand $strFilePath $strFilePathNew 2>&1", $res);
if(\file_exists($strFilePathNew)) {
\unlink($strFilePath);
\rename($strFilePathNew, $strFilePath);
}
if (!empty($params['changeChmod'])) {
\chmod($strFilePath, $params['changeChmod']);
}
$event = new \Bitrix\Main\Event(
$this->MODULE_ID,
"OnAfterResize",
[&$strFilePath]
);
$event->send();
return true;
}
}