--- /dev/null
+<?php
+//
+// FPDI - Version 1.2.1
+//
+// Copyright 2004-2008 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.
+//
+
+require_once("pdf_parser.php");
+
+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;
+
+ /**
+ * PDF Version of imported Document
+ * @var string
+ */
+ var $pdfVersion;
+
+ /**
+ * 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);
+
+ // resolve Pages-Dictonary
+ $pages = $this->pdf_resolve_object($this->c, $this->root[1][1]['/Pages']);
+
+ // Read pages
+ $this->read_pages($this->c, $pages, $this->pages);
+
+ // count pages;
+ $this->page_count = count($this->pages);
+ }
+
+ /**
+ * Overwrite parent::error()
+ *
+ * @param string $msg Error-Message
+ */
+ function error($msg) {
+ $this->fpdi->error($msg);
+ }
+
+ /**
+ * 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;
+ case null:
+ $stream = $stream;
+ break;
+ default:
+ if (preg_match("/^\/[a-z85]*$/i", $_filter[1], $filterName) && @include_once('decoders'.$_filter[1].'.php')) {
+ $filterName = substr($_filter[1],1);
+ if (class_exists($filterName)) {
+ $decoder = new $filterName($this->fpdi);
+ $stream = $decoder->decode(trim($stream));
+ } else {
+ $this->fpdi->error(sprintf("Unsupported Filter: %s",$_filter[1]));
+ }
+ } else {
+ $this->fpdi->error(sprintf("Unsupported Filter: %s",$_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" => $b[0][1]/$this->fpdi->k,
+ "y" => $b[1][1]/$this->fpdi->k,
+ "w" => abs($b[0][1]-$b[2][1])/$this->fpdi->k,
+ "h" => abs($b[1][1]-$b[3][1])/$this->fpdi->k);
+ } 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;
+ }
+
+ /**
+ * Get the page rotation by pageno
+ *
+ * @param integer $pageno
+ * @return array
+ */
+ function getPageRotation($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))
+ $this->fpdi->Error("Cannot find /Kids in current /Page-Dictionary");
+ foreach ($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;
+ }
+ }
+ }
+
+
+
+ /**
+ * Get PDF-Version
+ *
+ * And reset the PDF Version used in FPDI if needed
+ */
+ function getPDFVersion() {
+ parent::getPDFVersion();
+ $this->fpdi->PDFVersion = max($this->fpdi->PDFVersion, $this->pdfVersion);
+ }
+
+}
\ No newline at end of file
projects / fa-stable.git / blobdiff