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<?php
/**
* TCPDF wrapper class.
*/
declare(strict_types=1);
namespace PhpMyAdmin;
use Exception;
use TCPDF;
use TCPDF_FONTS;
use function __;
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 DEPRECATED TCPDF FEATURE
* @param false|int $pdfa If not false, set the document to PDF/A mode and the good version (1 or 3)
*
* @throws Exception
*/
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 ' . Version::VERSION);
$this->AddFont('DejaVuSans', '', 'dejavusans.php');
$this->AddFont('DejaVuSans', 'B', 'dejavusansb.php');
$this->setFont(self::PMA_PDF_FONT, '', 14);
$this->setFooterFont([self::PMA_PDF_FONT, '', 14]);
}
/**
* This function must be named "Footer" to work with the TCPDF library
*/
// phpcs:ignore PSR1.Methods.CamelCapsMethodName.NotCamelCaps
public function Footer(): void
{
// Check if footer for this page already exists
if (isset($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 $value value of the alias
*/
public function setAlias($name, $value): void
{
// phpcs:disable Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps
$name = TCPDF_FONTS::UTF8ToUTF16BE($name, false, true, $this->CurrentFont);
$this->alias[$name] = TCPDF_FONTS::UTF8ToUTF16BE($value, false, true, $this->CurrentFont);
// phpcs:enable
}
// phpcs:disable PSR2.Methods.MethodDeclaration.Underscore
/**
* Improved with alias expanding.
*/
public function _putpages(): void
{
if (count($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 $error_message the error message
*/
// phpcs:ignore PSR1.Methods.CamelCapsMethodName.NotCamelCaps
public function Error($error_message = ''): void
{
echo Message::error(
__('Error while creating PDF:') . ' ' . $error_message
)->getDisplay();
exit;
}
/**
* Sends file as a download to user.
*
* @param string $filename file name
*/
public function download($filename): void
{
$pdfData = $this->getPDFData();
ResponseRenderer::getInstance()->disable();
Core::downloadHeader(
$filename,
'application/pdf',
strlen($pdfData)
);
echo $pdfData;
}
}
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