diff options
Diffstat (limited to '')
| -rw-r--r-- | vendor/setasign/fpdi/src/PdfReader/DataStructure/Rectangle.php | 173 | ||||
| -rw-r--r-- | vendor/setasign/fpdi/src/PdfReader/Page.php | 271 | ||||
| -rw-r--r-- | vendor/setasign/fpdi/src/PdfReader/PageBoundaries.php | 94 | ||||
| -rw-r--r-- | vendor/setasign/fpdi/src/PdfReader/PdfReader.php | 234 | ||||
| -rw-r--r-- | vendor/setasign/fpdi/src/PdfReader/PdfReaderException.php | 34 |
5 files changed, 806 insertions, 0 deletions
diff --git a/vendor/setasign/fpdi/src/PdfReader/DataStructure/Rectangle.php b/vendor/setasign/fpdi/src/PdfReader/DataStructure/Rectangle.php new file mode 100644 index 0000000..9b19ff8 --- /dev/null +++ b/vendor/setasign/fpdi/src/PdfReader/DataStructure/Rectangle.php @@ -0,0 +1,173 @@ +<?php + +/** + * This file is part of FPDI + * + * @package setasign\Fpdi + * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com) + * @license http://opensource.org/licenses/mit-license The MIT License + */ + +namespace setasign\Fpdi\PdfReader\DataStructure; + +use setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException; +use setasign\Fpdi\PdfParser\PdfParser; +use setasign\Fpdi\PdfParser\PdfParserException; +use setasign\Fpdi\PdfParser\Type\PdfArray; +use setasign\Fpdi\PdfParser\Type\PdfNumeric; +use setasign\Fpdi\PdfParser\Type\PdfType; +use setasign\Fpdi\PdfParser\Type\PdfTypeException; + +/** + * Class representing a rectangle + */ +class Rectangle +{ + /** + * @var int|float + */ + protected $llx; + + /** + * @var int|float + */ + protected $lly; + + /** + * @var int|float + */ + protected $urx; + + /** + * @var int|float + */ + protected $ury; + + /** + * Create a rectangle instance by a PdfArray. + * + * @param PdfArray|mixed $array + * @param PdfParser $parser + * @return Rectangle + * @throws PdfTypeException + * @throws CrossReferenceException + * @throws PdfParserException + */ + public static function byPdfArray($array, PdfParser $parser) + { + $array = PdfArray::ensure(PdfType::resolve($array, $parser), 4)->value; + $ax = PdfNumeric::ensure(PdfType::resolve($array[0], $parser))->value; + $ay = PdfNumeric::ensure(PdfType::resolve($array[1], $parser))->value; + $bx = PdfNumeric::ensure(PdfType::resolve($array[2], $parser))->value; + $by = PdfNumeric::ensure(PdfType::resolve($array[3], $parser))->value; + + return new self($ax, $ay, $bx, $by); + } + + /** + * Rectangle constructor. + * + * @param float|int $ax + * @param float|int $ay + * @param float|int $bx + * @param float|int $by + */ + public function __construct($ax, $ay, $bx, $by) + { + $this->llx = \min($ax, $bx); + $this->lly = \min($ay, $by); + $this->urx = \max($ax, $bx); + $this->ury = \max($ay, $by); + } + + /** + * Get the width of the rectangle. + * + * @return float|int + */ + public function getWidth() + { + return $this->urx - $this->llx; + } + + /** + * Get the height of the rectangle. + * + * @return float|int + */ + public function getHeight() + { + return $this->ury - $this->lly; + } + + /** + * Get the lower left abscissa. + * + * @return float|int + */ + public function getLlx() + { + return $this->llx; + } + + /** + * Get the lower left ordinate. + * + * @return float|int + */ + public function getLly() + { + return $this->lly; + } + + /** + * Get the upper right abscissa. + * + * @return float|int + */ + public function getUrx() + { + return $this->urx; + } + + /** + * Get the upper right ordinate. + * + * @return float|int + */ + public function getUry() + { + return $this->ury; + } + + /** + * Get the rectangle as an array. + * + * @return array + */ + public function toArray() + { + return [ + $this->llx, + $this->lly, + $this->urx, + $this->ury + ]; + } + + /** + * Get the rectangle as a PdfArray. + * + * @return PdfArray + */ + public function toPdfArray() + { + $array = new PdfArray(); + $array->value[] = PdfNumeric::create($this->llx); + $array->value[] = PdfNumeric::create($this->lly); + $array->value[] = PdfNumeric::create($this->urx); + $array->value[] = PdfNumeric::create($this->ury); + + return $array; + } +} diff --git a/vendor/setasign/fpdi/src/PdfReader/Page.php b/vendor/setasign/fpdi/src/PdfReader/Page.php new file mode 100644 index 0000000..b207c79 --- /dev/null +++ b/vendor/setasign/fpdi/src/PdfReader/Page.php @@ -0,0 +1,271 @@ +<?php + +/** + * This file is part of FPDI + * + * @package setasign\Fpdi + * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com) + * @license http://opensource.org/licenses/mit-license The MIT License + */ + +namespace setasign\Fpdi\PdfReader; + +use setasign\Fpdi\PdfParser\Filter\FilterException; +use setasign\Fpdi\PdfParser\PdfParser; +use setasign\Fpdi\PdfParser\PdfParserException; +use setasign\Fpdi\PdfParser\Type\PdfArray; +use setasign\Fpdi\PdfParser\Type\PdfDictionary; +use setasign\Fpdi\PdfParser\Type\PdfIndirectObject; +use setasign\Fpdi\PdfParser\Type\PdfNull; +use setasign\Fpdi\PdfParser\Type\PdfNumeric; +use setasign\Fpdi\PdfParser\Type\PdfStream; +use setasign\Fpdi\PdfParser\Type\PdfType; +use setasign\Fpdi\PdfParser\Type\PdfTypeException; +use setasign\Fpdi\PdfReader\DataStructure\Rectangle; +use setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException; + +/** + * Class representing a page of a PDF document + */ +class Page +{ + /** + * @var PdfIndirectObject + */ + protected $pageObject; + + /** + * @var PdfDictionary + */ + protected $pageDictionary; + + /** + * @var PdfParser + */ + protected $parser; + + /** + * Inherited attributes + * + * @var null|array + */ + protected $inheritedAttributes; + + /** + * Page constructor. + * + * @param PdfIndirectObject $page + * @param PdfParser $parser + */ + public function __construct(PdfIndirectObject $page, PdfParser $parser) + { + $this->pageObject = $page; + $this->parser = $parser; + } + + /** + * Get the indirect object of this page. + * + * @return PdfIndirectObject + */ + public function getPageObject() + { + return $this->pageObject; + } + + /** + * Get the dictionary of this page. + * + * @return PdfDictionary + * @throws PdfParserException + * @throws PdfTypeException + * @throws CrossReferenceException + */ + public function getPageDictionary() + { + if (null === $this->pageDictionary) { + $this->pageDictionary = PdfDictionary::ensure(PdfType::resolve($this->getPageObject(), $this->parser)); + } + + return $this->pageDictionary; + } + + /** + * Get a page attribute. + * + * @param string $name + * @param bool $inherited + * @return PdfType|null + * @throws PdfParserException + * @throws PdfTypeException + * @throws CrossReferenceException + */ + public function getAttribute($name, $inherited = true) + { + $dict = $this->getPageDictionary(); + + if (isset($dict->value[$name])) { + return $dict->value[$name]; + } + + $inheritedKeys = ['Resources', 'MediaBox', 'CropBox', 'Rotate']; + if ($inherited && \in_array($name, $inheritedKeys, true)) { + if ($this->inheritedAttributes === null) { + $this->inheritedAttributes = []; + $inheritedKeys = \array_filter($inheritedKeys, function ($key) use ($dict) { + return !isset($dict->value[$key]); + }); + + if (\count($inheritedKeys) > 0) { + $parentDict = PdfType::resolve(PdfDictionary::get($dict, 'Parent'), $this->parser); + while ($parentDict instanceof PdfDictionary) { + foreach ($inheritedKeys as $index => $key) { + if (isset($parentDict->value[$key])) { + $this->inheritedAttributes[$key] = $parentDict->value[$key]; + unset($inheritedKeys[$index]); + } + } + + /** @noinspection NotOptimalIfConditionsInspection */ + if (isset($parentDict->value['Parent']) && \count($inheritedKeys) > 0) { + $parentDict = PdfType::resolve(PdfDictionary::get($parentDict, 'Parent'), $this->parser); + } else { + break; + } + } + } + } + + if (isset($this->inheritedAttributes[$name])) { + return $this->inheritedAttributes[$name]; + } + } + + return null; + } + + /** + * Get the rotation value. + * + * @return int + * @throws PdfParserException + * @throws PdfTypeException + * @throws CrossReferenceException + */ + public function getRotation() + { + $rotation = $this->getAttribute('Rotate'); + if (null === $rotation) { + return 0; + } + + $rotation = PdfNumeric::ensure(PdfType::resolve($rotation, $this->parser))->value % 360; + + if ($rotation < 0) { + $rotation += 360; + } + + return $rotation; + } + + /** + * Get a boundary of this page. + * + * @param string $box + * @param bool $fallback + * @return bool|Rectangle + * @throws PdfParserException + * @throws PdfTypeException + * @throws CrossReferenceException + * @see PageBoundaries + */ + public function getBoundary($box = PageBoundaries::CROP_BOX, $fallback = true) + { + $value = $this->getAttribute($box); + + if ($value !== null) { + return Rectangle::byPdfArray($value, $this->parser); + } + + if ($fallback === false) { + return false; + } + + switch ($box) { + case PageBoundaries::BLEED_BOX: + case PageBoundaries::TRIM_BOX: + case PageBoundaries::ART_BOX: + return $this->getBoundary(PageBoundaries::CROP_BOX, true); + case PageBoundaries::CROP_BOX: + return $this->getBoundary(PageBoundaries::MEDIA_BOX, true); + } + + return false; + } + + /** + * Get the width and height of this page. + * + * @param string $box + * @param bool $fallback + * @return array|bool + * @throws PdfParserException + * @throws PdfTypeException + * @throws CrossReferenceException + */ + public function getWidthAndHeight($box = PageBoundaries::CROP_BOX, $fallback = true) + { + $boundary = $this->getBoundary($box, $fallback); + if ($boundary === false) { + return false; + } + + $rotation = $this->getRotation(); + $interchange = ($rotation / 90) % 2; + + return [ + $interchange ? $boundary->getHeight() : $boundary->getWidth(), + $interchange ? $boundary->getWidth() : $boundary->getHeight() + ]; + } + + /** + * Get the raw content stream. + * + * @return string + * @throws PdfReaderException + * @throws PdfTypeException + * @throws FilterException + * @throws PdfParserException + */ + public function getContentStream() + { + $dict = $this->getPageDictionary(); + $contents = PdfType::resolve(PdfDictionary::get($dict, 'Contents'), $this->parser); + if ($contents instanceof PdfNull) { + return ''; + } + + if ($contents instanceof PdfArray) { + $result = []; + foreach ($contents->value as $content) { + $content = PdfType::resolve($content, $this->parser); + if (!($content instanceof PdfStream)) { + continue; + } + $result[] = $content->getUnfilteredStream(); + } + + return \implode("\n", $result); + } + + if ($contents instanceof PdfStream) { + return $contents->getUnfilteredStream(); + } + + throw new PdfReaderException( + 'Array or stream expected.', + PdfReaderException::UNEXPECTED_DATA_TYPE + ); + } +} diff --git a/vendor/setasign/fpdi/src/PdfReader/PageBoundaries.php b/vendor/setasign/fpdi/src/PdfReader/PageBoundaries.php new file mode 100644 index 0000000..9a6a1f3 --- /dev/null +++ b/vendor/setasign/fpdi/src/PdfReader/PageBoundaries.php @@ -0,0 +1,94 @@ +<?php + +/** + * This file is part of FPDI + * + * @package setasign\Fpdi + * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com) + * @license http://opensource.org/licenses/mit-license The MIT License + */ + +namespace setasign\Fpdi\PdfReader; + +/** + * An abstract class for page boundary constants and some helper methods + */ +abstract class PageBoundaries +{ + /** + * MediaBox + * + * The media box defines the boundaries of the physical medium on which the page is to be printed. + * + * @see PDF 32000-1:2008 - 14.11.2 Page Boundaries + * @var string + */ + const MEDIA_BOX = 'MediaBox'; + + /** + * CropBox + * + * The crop box defines the region to which the contents of the page shall be clipped (cropped) when displayed or + * printed. + * + * @see PDF 32000-1:2008 - 14.11.2 Page Boundaries + * @var string + */ + const CROP_BOX = 'CropBox'; + + /** + * BleedBox + * + * The bleed box defines the region to which the contents of the page shall be clipped when output in a + * production environment. + * + * @see PDF 32000-1:2008 - 14.11.2 Page Boundaries + * @var string + */ + const BLEED_BOX = 'BleedBox'; + + /** + * TrimBox + * + * The trim box defines the intended dimensions of the finished page after trimming. + * + * @see PDF 32000-1:2008 - 14.11.2 Page Boundaries + * @var string + */ + const TRIM_BOX = 'TrimBox'; + + /** + * ArtBox + * + * The art box defines the extent of the page’s meaningful content (including potential white space) as intended + * by the page’s creator. + * + * @see PDF 32000-1:2008 - 14.11.2 Page Boundaries + * @var string + */ + const ART_BOX = 'ArtBox'; + + /** + * All page boundaries + * + * @var array + */ + public static $all = array( + self::MEDIA_BOX, + self::CROP_BOX, + self::BLEED_BOX, + self::TRIM_BOX, + self::ART_BOX + ); + + /** + * Checks if a name is a valid page boundary name. + * + * @param string $name The boundary name + * @return boolean A boolean value whether the name is valid or not. + */ + public static function isValidName($name) + { + return \in_array($name, self::$all, true); + } +} diff --git a/vendor/setasign/fpdi/src/PdfReader/PdfReader.php b/vendor/setasign/fpdi/src/PdfReader/PdfReader.php new file mode 100644 index 0000000..3ee8878 --- /dev/null +++ b/vendor/setasign/fpdi/src/PdfReader/PdfReader.php @@ -0,0 +1,234 @@ +<?php + +/** + * This file is part of FPDI + * + * @package setasign\Fpdi + * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com) + * @license http://opensource.org/licenses/mit-license The MIT License + */ + +namespace setasign\Fpdi\PdfReader; + +use setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException; +use setasign\Fpdi\PdfParser\PdfParser; +use setasign\Fpdi\PdfParser\PdfParserException; +use setasign\Fpdi\PdfParser\Type\PdfArray; +use setasign\Fpdi\PdfParser\Type\PdfDictionary; +use setasign\Fpdi\PdfParser\Type\PdfIndirectObject; +use setasign\Fpdi\PdfParser\Type\PdfIndirectObjectReference; +use setasign\Fpdi\PdfParser\Type\PdfNumeric; +use setasign\Fpdi\PdfParser\Type\PdfType; +use setasign\Fpdi\PdfParser\Type\PdfTypeException; + +/** + * A PDF reader class + */ +class PdfReader +{ + /** + * @var PdfParser + */ + protected $parser; + + /** + * @var int + */ + protected $pageCount; + + /** + * Indirect objects of resolved pages. + * + * @var PdfIndirectObjectReference[]|PdfIndirectObject[] + */ + protected $pages = []; + + /** + * PdfReader constructor. + * + * @param PdfParser $parser + */ + public function __construct(PdfParser $parser) + { + $this->parser = $parser; + } + + /** + * PdfReader destructor. + */ + public function __destruct() + { + if ($this->parser !== null) { + $this->parser->cleanUp(); + } + } + + /** + * Get the pdf parser instance. + * + * @return PdfParser + */ + public function getParser() + { + return $this->parser; + } + + /** + * Get the PDF version. + * + * @return string + * @throws PdfParserException + */ + public function getPdfVersion() + { + return \implode('.', $this->parser->getPdfVersion()); + } + + /** + * Get the page count. + * + * @return int + * @throws PdfTypeException + * @throws CrossReferenceException + * @throws PdfParserException + */ + public function getPageCount() + { + if ($this->pageCount === null) { + $catalog = $this->parser->getCatalog(); + + $pages = PdfType::resolve(PdfDictionary::get($catalog, 'Pages'), $this->parser); + $count = PdfType::resolve(PdfDictionary::get($pages, 'Count'), $this->parser); + + $this->pageCount = PdfNumeric::ensure($count)->value; + } + + return $this->pageCount; + } + + /** + * Get a page instance. + * + * @param int $pageNumber + * @return Page + * @throws PdfTypeException + * @throws CrossReferenceException + * @throws PdfParserException + * @throws \InvalidArgumentException + */ + public function getPage($pageNumber) + { + if (!\is_numeric($pageNumber)) { + throw new \InvalidArgumentException( + 'Page number needs to be a number.' + ); + } + + if ($pageNumber < 1 || $pageNumber > $this->getPageCount()) { + throw new \InvalidArgumentException( + \sprintf( + 'Page number "%s" out of available page range (1 - %s)', + $pageNumber, + $this->getPageCount() + ) + ); + } + + $this->readPages(); + + $page = $this->pages[$pageNumber - 1]; + + if ($page instanceof PdfIndirectObjectReference) { + $readPages = function ($kids) use (&$readPages) { + $kids = PdfArray::ensure($kids); + + /** @noinspection LoopWhichDoesNotLoopInspection */ + foreach ($kids->value as $reference) { + $reference = PdfIndirectObjectReference::ensure($reference); + $object = $this->parser->getIndirectObject($reference->value); + $type = PdfDictionary::get($object->value, 'Type'); + + if ($type->value === 'Pages') { + return $readPages(PdfDictionary::get($object->value, 'Kids')); + } + + return $object; + } + + throw new PdfReaderException( + 'Kids array cannot be empty.', + PdfReaderException::KIDS_EMPTY + ); + }; + + $page = $this->parser->getIndirectObject($page->value); + $dict = PdfType::resolve($page, $this->parser); + $type = PdfDictionary::get($dict, 'Type'); + + if ($type->value === 'Pages') { + $kids = PdfType::resolve(PdfDictionary::get($dict, 'Kids'), $this->parser); + try { + $page = $this->pages[$pageNumber - 1] = $readPages($kids); + } catch (PdfReaderException $e) { + if ($e->getCode() !== PdfReaderException::KIDS_EMPTY) { + throw $e; + } + + // let's reset the pages array and read all page objects + $this->pages = []; + $this->readPages(true); + // @phpstan-ignore-next-line + $page = $this->pages[$pageNumber - 1]; + } + } else { + $this->pages[$pageNumber - 1] = $page; + } + } + + return new Page($page, $this->parser); + } + + /** + * Walk the page tree and resolve all indirect objects of all pages. + * + * @param bool $readAll + * @throws CrossReferenceException + * @throws PdfParserException + * @throws PdfTypeException + */ + protected function readPages($readAll = false) + { + if (\count($this->pages) > 0) { + return; + } + + $readPages = function ($kids, $count) use (&$readPages, $readAll) { + $kids = PdfArray::ensure($kids); + $isLeaf = ($count->value === \count($kids->value)); + + foreach ($kids->value as $reference) { + $reference = PdfIndirectObjectReference::ensure($reference); + + if (!$readAll && $isLeaf) { + $this->pages[] = $reference; + continue; + } + + $object = $this->parser->getIndirectObject($reference->value); + $type = PdfDictionary::get($object->value, 'Type'); + + if ($type->value === 'Pages') { + $readPages(PdfDictionary::get($object->value, 'Kids'), PdfDictionary::get($object->value, 'Count')); + } else { + $this->pages[] = $object; + } + } + }; + + $catalog = $this->parser->getCatalog(); + $pages = PdfType::resolve(PdfDictionary::get($catalog, 'Pages'), $this->parser); + $count = PdfType::resolve(PdfDictionary::get($pages, 'Count'), $this->parser); + $kids = PdfType::resolve(PdfDictionary::get($pages, 'Kids'), $this->parser); + $readPages($kids, $count); + } +} diff --git a/vendor/setasign/fpdi/src/PdfReader/PdfReaderException.php b/vendor/setasign/fpdi/src/PdfReader/PdfReaderException.php new file mode 100644 index 0000000..99f7d12 --- /dev/null +++ b/vendor/setasign/fpdi/src/PdfReader/PdfReaderException.php @@ -0,0 +1,34 @@ +<?php + +/** + * This file is part of FPDI + * + * @package setasign\Fpdi + * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com) + * @license http://opensource.org/licenses/mit-license The MIT License + */ + +namespace setasign\Fpdi\PdfReader; + +use setasign\Fpdi\FpdiException; + +/** + * Exception for the pdf reader class + */ +class PdfReaderException extends FpdiException +{ + /** + * @var int + */ + const KIDS_EMPTY = 0x0101; + + /** + * @var int + */ + const UNEXPECTED_DATA_TYPE = 0x0102; + + /** + * @var int + */ + const MISSING_DATA = 0x0103; +} |