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Merge pull request #174 from Setasign/link-handling
Link handling
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,205 @@ | ||
| <?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; | ||
|
|
||
| /** | ||
| * 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; | ||
| unset( | ||
| $values['P'], | ||
| $values['NM'], | ||
| $values['AP'], | ||
| $values['AS'], | ||
| $values['Type'], | ||
| $values['Subtype'], | ||
| $values['Rect'], | ||
| $values['A'], | ||
| $values['QuadPoints'], | ||
| $values['Rotate'], | ||
| $values['M'], | ||
| $values['StructParent'] | ||
| ); | ||
|
|
||
| foreach ($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; | ||
| } | ||
| } | ||
| } |
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