Proyectos de Subversion Moodle

<?php

/**

 * This file is part of FPDI

 *

 * @package   setasign\Fpdi

 * @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)

 * @license   http://opensource.org/licenses/mit-license The MIT License

 */

namespace setasign\Fpdi;

use setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;

use setasign\Fpdi\PdfParser\PdfParserException;

use setasign\Fpdi\PdfParser\Type\PdfIndirectObject;

use setasign\Fpdi\PdfParser\Type\PdfNull;

use setasign\Fpdi\PdfParser\Type\PdfType;

/**

 * This trait is used for the implementation of FPDI in FPDF and tFPDF.

 */

trait FpdfTrait

{

    protected function _enddoc()

    {

        parent::_enddoc();

        $this->cleanUp();

    }

    /**

     * Draws an imported page or a template onto the page or another template.

     *

     * Give only one of the size parameters (width, height) to calculate the other one automatically in view to the

     * aspect ratio.

     *

     * @param mixed $tpl The template id

     * @param float|int|array $x The abscissa of upper-left corner. Alternatively you could use an assoc array

     *                           with the keys "x", "y", "width", "height", "adjustPageSize".

     * @param float|int $y The ordinate of upper-left corner.

     * @param float|int|null $width The width.

     * @param float|int|null $height The height.

     * @param bool $adjustPageSize

     * @return array The size

     * @see Fpdi::getTemplateSize()

     */

    public function useTemplate($tpl, $x = 0, $y = 0, $width = null, $height = null, $adjustPageSize = false)

    {

        if (isset($this->importedPages[$tpl])) {

            $size = $this->useImportedPage($tpl, $x, $y, $width, $height, $adjustPageSize);

            if ($this->currentTemplateId !== null) {

                $this->templates[$this->currentTemplateId]['resources']['templates']['importedPages'][$tpl] = $tpl;

            }

            return $size;

        }

        return parent::useTemplate($tpl, $x, $y, $width, $height, $adjustPageSize);

    }

    /**

     * Get the size of an imported page or template.

     *

     * Give only one of the size parameters (width, height) to calculate the other one automatically in view to the

     * aspect ratio.

     *

     * @param mixed $tpl The template id

     * @param float|int|null $width The width.

     * @param float|int|null $height The height.

     * @return array|bool An array with following keys: width, height, 0 (=width), 1 (=height), orientation (L or P)

     */

    public function getTemplateSize($tpl, $width = null, $height = null)

    {

        $size = parent::getTemplateSize($tpl, $width, $height);

        if ($size === false) {

            return $this->getImportedPageSize($tpl, $width, $height);

        }

        return $size;

    }

    /**

     * @throws CrossReferenceException

     * @throws PdfParserException

     */

    protected function _putimages()

    {

        $this->currentReaderId = null;

        parent::_putimages();

        foreach ($this->importedPages as $key => $pageData) {

            $this->_newobj();

            $this->importedPages[$key]['objectNumber'] = $this->n;

            $this->currentReaderId = $pageData['readerId'];

            $this->writePdfType($pageData['stream']);

            $this->_put('endobj');

        }

        foreach (\array_keys($this->readers) as $readerId) {

            $parser = $this->getPdfReader($readerId)->getParser();

            $this->currentReaderId = $readerId;

            while (($objectNumber = \array_pop($this->objectsToCopy[$readerId])) !== null) {

                try {

                    $object = $parser->getIndirectObject($objectNumber);

                } catch (CrossReferenceException $e) {

                    if ($e->getCode() === CrossReferenceException::OBJECT_NOT_FOUND) {

                        $object = PdfIndirectObject::create($objectNumber, 0, new PdfNull());

                    } else {

                        throw $e;

                    }

                }

                $this->writePdfType($object);

            }

        }

        $this->currentReaderId = null;

    }

    /**

     * @inheritdoc

     */

    protected function _putxobjectdict()

    {

        foreach ($this->importedPages as $pageData) {

            $this->_put('/' . $pageData['id'] . ' ' . $pageData['objectNumber'] . ' 0 R');

        }

        parent::_putxobjectdict();

    }

    /**

     * @param int $n

     * @return void

     * @throws PdfParser\Type\PdfTypeException

     */

    protected function _putlinks($n)

    {

        foreach ($this->PageLinks[$n] as $pl) {

            $this->_newobj();

            $rect = sprintf('%.2F %.2F %.2F %.2F', $pl[0], $pl[1], $pl[0] + $pl[2], $pl[1] - $pl[3]);

            $this->_put('<</Type /Annot /Subtype /Link /Rect [' . $rect . ']', false);

            if (is_string($pl[4])) {

                $this->_put('/A <</S /URI /URI ' . $this->_textstring($pl[4]) . '>>');

                if (isset($pl['importedLink'])) {

                    $values = $pl['importedLink']['pdfObject']->value;

                    foreach ($values as $name => $entry) {

                        $this->_put('/' . $name . ' ', false);

                        $this->writePdfType($entry);

                    }

                    if (isset($pl['quadPoints'])) {

                        $s = '/QuadPoints[';

                        foreach ($pl['quadPoints'] as $value) {

                            $s .= sprintf('%.2F ', $value);

                        }

                        $s .= ']';

                        $this->_put($s);

                    }

                } else {

                    $this->_put('/Border [0 0 0]', false);

                }

                $this->_put('>>');

            } else {

                $this->_put('/Border [0 0 0] ', false);

                $l = $this->links[$pl[4]];

                if (isset($this->PageInfo[$l[0]]['size'])) {

                    $h = $this->PageInfo[$l[0]]['size'][1];

                } else {

                    $h = ($this->DefOrientation === 'P')

                        ? $this->DefPageSize[1] * $this->k

                        : $this->DefPageSize[0] * $this->k;

                }

                $this->_put(sprintf(

                    '/Dest [%d 0 R /XYZ 0 %.2F null]>>',

                    $this->PageInfo[$l[0]]['n'],

                    $h - $l[1] * $this->k

                ));

            }

            $this->_put('endobj');

        }

    }

    protected function _put($s, $newLine = true)

    {

        if ($newLine) {

            $this->buffer .= $s . "\n";

        } else {

            $this->buffer .= $s;

        }

    }

}