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<?php
/**
* TCPDF wrapper class.
*/
declare(strict_types=1);
namespace PhpMyAdmin;
use Exception;
use TCPDF;
use TCPDF_FONTS;
use function count;
use function strlen;
use function strtr;
/**
* PDF export base class providing basic configuration.
*/
class Pdf extends TCPDF
{
/** @var array */
public $footerset;
/** @var array */
public $alias = [];
/**
* PDF font to use.
*/
public const PMA_PDF_FONT = 'DejaVuSans';
/**
* Constructs PDF and configures standard parameters.
*
* @param string $orientation page orientation
* @param string $unit unit
* @param string $format the format used for pages
* @param bool $unicode true means that the input text is unicode
* @param string $encoding charset encoding; default is UTF-8.
* @param bool $diskcache if true reduce the RAM memory usage by caching
* temporary data on filesystem (slower).
* @param bool $pdfa If TRUE set the document to PDF/A mode.
*
* @throws Exception
*
* @access public
*/
public function __construct(
$orientation = 'P',
$unit = 'mm',
$format = 'A4',
$unicode = true,
$encoding = 'UTF-8',
$diskcache = false,
$pdfa = false
) {
parent::__construct(
$orientation,
$unit,
$format,
$unicode,
$encoding,
$diskcache,
$pdfa
);
$this->SetAuthor('phpMyAdmin ' . PMA_VERSION);
$this->AddFont('DejaVuSans', '', 'dejavusans.php');
$this->AddFont('DejaVuSans', 'B', 'dejavusansb.php');
$this->SetFont(self::PMA_PDF_FONT, '', 14);
$this->setFooterFont([self::PMA_PDF_FONT, '', 14]);
}
/**
* This function must be named "Footer" to work with the TCPDF library
*
* @return void
*/
// @codingStandardsIgnoreLine
public function Footer()
{
// Check if footer for this page already exists
if (isset($this->footerset[$this->page])) {
return;
}
$this->SetY(-15);
$this->SetFont(self::PMA_PDF_FONT, '', 14);
$this->Cell(
0,
6,
__('Page number:') . ' '
. $this->getAliasNumPage() . '/' . $this->getAliasNbPages(),
'T',
0,
'C'
);
$this->Cell(0, 6, Util::localisedDate(), 0, 1, 'R');
$this->SetY(20);
// set footerset
$this->footerset[$this->page] = 1;
}
/**
* Function to set alias which will be expanded on page rendering.
*
* @param string $name name of the alias
* @param string $value value of the alias
*
* @return void
*/
public function setAlias($name, $value)
{
$name = TCPDF_FONTS::UTF8ToUTF16BE(
$name,
false,
true,
$this->CurrentFont
);
$this->alias[$name] = TCPDF_FONTS::UTF8ToUTF16BE(
$value,
false,
true,
$this->CurrentFont
);
}
// phpcs:disable PSR2.Methods.MethodDeclaration.Underscore
/**
* Improved with alias expanding.
*
* @return void
*/
public function _putpages()
{
if (count($this->alias) > 0) {
$nbPages = count($this->pages);
for ($n = 1; $n <= $nbPages; $n++) {
$this->pages[$n] = strtr($this->pages[$n], $this->alias);
}
}
parent::_putpages();
// phpcs:enable
}
/**
* Displays an error message
*
* @param string $error_message the error message
*
* @return void
*/
// @codingStandardsIgnoreLine
public function Error($error_message = '')
{
echo Message::error(
__('Error while creating PDF:') . ' ' . $error_message
)->getDisplay();
exit;
}
/**
* Sends file as a download to user.
*
* @param string $filename file name
*
* @return void
*/
public function download($filename)
{
$pdfData = $this->getPDFData();
Response::getInstance()->disable();
Core::downloadHeader(
$filename,
'application/pdf',
strlen($pdfData)
);
echo $pdfData;
}
}
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