+++ /dev/null
-<?php
-//
-// FPDI - Version 1.2
-//
-// Copyright 2004-2007 Setasign - Jan Slabon
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-
-class fpdi_pdf_parser extends pdf_parser {
-
- /**
- * Pages
- * Index beginns at 0
- *
- * @var array
- */
- var $pages;
-
- /**
- * Page count
- * @var integer
- */
- var $page_count;
-
- /**
- * actual page number
- * @var integer
- */
- var $pageno;
-
-
- /**
- * FPDI Reference
- * @var object
- */
- var $fpdi;
-
- /**
- * Available BoxTypes
- *
- * @var array
- */
- var $availableBoxes = array("/MediaBox","/CropBox","/BleedBox","/TrimBox","/ArtBox");
-
- /**
- * Constructor
- *
- * @param string $filename Source-Filename
- * @param object $fpdi Object of type fpdi
- */
- function fpdi_pdf_parser($filename,&$fpdi) {
- $this->fpdi =& $fpdi;
- $this->filename = $filename;
-
- parent::pdf_parser($filename);
- if ($this->success == false) { return false; }
-
- // resolve Pages-Dictonary
- $pages = $this->pdf_resolve_object($this->c, $this->root[1][1]['/Pages']);
- if ($this->success == false) { return false; }
-
- // Read pages
- $this->read_pages($this->c, $pages, $this->pages);
- if ($this->success == false) { return false; }
-
- // count pages;
- $this->page_count = count($this->pages);
- }
-
-
- /**
- * Get pagecount from sourcefile
- *
- * @return int
- */
- function getPageCount() {
- return $this->page_count;
- }
-
-
- /**
- * Set pageno
- *
- * @param int $pageno Pagenumber to use
- */
- function setPageno($pageno) {
- $pageno = ((int) $pageno) - 1;
-
- if ($pageno < 0 || $pageno >= $this->getPageCount()) {
- $this->fpdi->error("Pagenumber is wrong!");
- }
-
- $this->pageno = $pageno;
- }
-
- /**
- * Get page-resources from current page
- *
- * @return array
- */
- function getPageResources() {
- return $this->_getPageResources($this->pages[$this->pageno]);
- }
-
- /**
- * Get page-resources from /Page
- *
- * @param array $obj Array of pdf-data
- */
- function _getPageResources ($obj) { // $obj = /Page
- $obj = $this->pdf_resolve_object($this->c, $obj);
-
- // If the current object has a resources
- // dictionary associated with it, we use
- // it. Otherwise, we move back to its
- // parent object.
- if (isset ($obj[1][1]['/Resources'])) {
- $res = $this->pdf_resolve_object($this->c, $obj[1][1]['/Resources']);
- if ($res[0] == PDF_TYPE_OBJECT)
- return $res[1];
- return $res;
- } else {
- if (!isset ($obj[1][1]['/Parent'])) {
- return false;
- } else {
- $res = $this->_getPageResources($obj[1][1]['/Parent']);
- if ($res[0] == PDF_TYPE_OBJECT)
- return $res[1];
- return $res;
- }
- }
- }
-
-
- /**
- * Get content of current page
- *
- * If more /Contents is an array, the streams are concated
- *
- * @return string
- */
- function getContent() {
- $buffer = "";
-
- if (isset($this->pages[$this->pageno][1][1]['/Contents'])) {
- $contents = $this->_getPageContent($this->pages[$this->pageno][1][1]['/Contents']);
- foreach($contents AS $tmp_content) {
- $buffer .= $this->_rebuildContentStream($tmp_content).' ';
- }
- }
-
- return $buffer;
- }
-
-
- /**
- * Resolve all content-objects
- *
- * @param array $content_ref
- * @return array
- */
- function _getPageContent($content_ref) {
- $contents = array();
-
- if ($content_ref[0] == PDF_TYPE_OBJREF) {
- $content = $this->pdf_resolve_object($this->c, $content_ref);
- if ($content[1][0] == PDF_TYPE_ARRAY) {
- $contents = $this->_getPageContent($content[1]);
- } else {
- $contents[] = $content;
- }
- } else if ($content_ref[0] == PDF_TYPE_ARRAY) {
- foreach ($content_ref[1] AS $tmp_content_ref) {
- $contents = array_merge($contents,$this->_getPageContent($tmp_content_ref));
- }
- }
-
- return $contents;
- }
-
-
- /**
- * Rebuild content-streams
- *
- * @param array $obj
- * @return string
- */
- function _rebuildContentStream($obj) {
- $filters = array();
-
- if (isset($obj[1][1]['/Filter'])) {
- $_filter = $obj[1][1]['/Filter'];
-
- if ($_filter[0] == PDF_TYPE_TOKEN) {
- $filters[] = $_filter;
- } else if ($_filter[0] == PDF_TYPE_ARRAY) {
- $filters = $_filter[1];
- }
- }
-
- $stream = $obj[2][1];
-
- foreach ($filters AS $_filter) {
- switch ($_filter[1]) {
- case "/FlateDecode":
- if (function_exists('gzuncompress')) {
- $stream = (strlen($stream) > 0) ? @gzuncompress($stream) : '';
- } else {
- $this->fpdi->error(sprintf("To handle %s filter, please compile php with zlib support.",$_filter[1]));
- }
- if ($stream === false) {
- $this->fpdi->error("Error while decompressing stream.");
- }
- break;
- // mPDF 4.2.003
- case '/LZWDecode':
- include_once(_MPDF_PATH.'mpdfi/filters/FilterLZW.php');
- // mPDF 5.0 Removed pass by reference =&
- $decoder = new FilterLZW();
- $stream = $decoder->decode($stream);
- break;
- case '/ASCII85Decode':
- include_once(_MPDF_PATH.'mpdfi/filters/FilterASCII85.php');
- // mPDF 5.0 Removed pass by reference =&
- $decoder = new FilterASCII85();
- $stream = $decoder->decode($stream);
- break;
- case null:
- $stream = $stream;
- break;
- default:
- $this->fpdi->error(sprintf("Unsupported Filter: %s",$_filter[1]));
- }
- }
-
- return $stream;
- }
-
-
- /**
- * Get a Box from a page
- * Arrayformat is same as used by fpdf_tpl
- *
- * @param array $page a /Page
- * @param string $box_index Type of Box @see $availableBoxes
- * @return array
- */
- function getPageBox($page, $box_index) {
- $page = $this->pdf_resolve_object($this->c,$page);
- $box = null;
- if (isset($page[1][1][$box_index]))
- $box =& $page[1][1][$box_index];
-
- if (!is_null($box) && $box[0] == PDF_TYPE_OBJREF) {
- $tmp_box = $this->pdf_resolve_object($this->c,$box);
- $box = $tmp_box[1];
- }
-
- if (!is_null($box) && $box[0] == PDF_TYPE_ARRAY) {
- $b =& $box[1];
- return array("x" => $b[0][1]/_MPDFK,
- "y" => $b[1][1]/_MPDFK,
- "w" => abs($b[0][1]-$b[2][1])/_MPDFK,
- "h" => abs($b[1][1]-$b[3][1])/_MPDFK); // mPDF 5.3.90
- } else if (!isset ($page[1][1]['/Parent'])) {
- return false;
- } else {
- return $this->getPageBox($this->pdf_resolve_object($this->c, $page[1][1]['/Parent']), $box_index);
- }
- }
-
- function getPageBoxes($pageno) {
- return $this->_getPageBoxes($this->pages[$pageno-1]);
- }
-
- /**
- * Get all Boxes from /Page
- *
- * @param array a /Page
- * @return array
- */
- function _getPageBoxes($page) {
- $boxes = array();
-
- foreach($this->availableBoxes AS $box) {
- if ($_box = $this->getPageBox($page,$box)) {
- $boxes[$box] = $_box;
- }
- }
-
- return $boxes;
- }
-
- function getPageRotation($pageno) {
- return $this->_getPageRotation($this->pages[$pageno-1]);
- }
-
- function _getPageRotation ($obj) { // $obj = /Page
- $obj = $this->pdf_resolve_object($this->c, $obj);
- if (isset ($obj[1][1]['/Rotate'])) {
- $res = $this->pdf_resolve_object($this->c, $obj[1][1]['/Rotate']);
- if ($res[0] == PDF_TYPE_OBJECT)
- return $res[1];
- return $res;
- } else {
- if (!isset ($obj[1][1]['/Parent'])) {
- return false;
- } else {
- $res = $this->_getPageRotation($obj[1][1]['/Parent']);
- if ($res[0] == PDF_TYPE_OBJECT)
- return $res[1];
- return $res;
- }
- }
- }
-
- /**
- * Read all /Page(es)
- *
- * @param object pdf_context
- * @param array /Pages
- * @param array the result-array
- */
- function read_pages (&$c, &$pages, &$result) {
- // Get the kids dictionary
- $kids = $this->pdf_resolve_object ($c, $pages[1][1]['/Kids']);
-
- if (!is_array($kids)) {
- // mPDF 4.0
- $this->success = false;
- $this->errormsg = sprintf("Cannot find /Kids in current /Page-Dictionary");
- return false;
- }
- foreach ($kids[1] as $v) {
- $pg = $this->pdf_resolve_object ($c, $v);
- if ($pg[1][1]['/Type'][1] === '/Pages') {
- // If one of the kids is an embedded
- // /Pages array, resolve it as well.
- $this->read_pages ($c, $pg, $result);
- } else {
- $result[] = $pg;
- }
- }
- }
-
-
-
-
-}
-
-?>
\ No newline at end of file
projects / github / wallabag / wallabag.git / blobdiff