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695 lines
21 KiB
695 lines
21 KiB
<?php
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//
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// FPDI - Version 1.5.2
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//
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// Copyright 2004-2014 Setasign - Jan Slabon
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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require_once('fpdf_tpl.php');
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/**
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* Class FPDI
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*/
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class FPDI extends FPDF_TPL
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{
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/**
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* FPDI version
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*
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* @string
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*/
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const VERSION = '1.5.2';
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/**
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* Actual filename
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*
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* @var string
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*/
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public $currentFilename;
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/**
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* Parser-Objects
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*
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* @var fpdi_pdf_parser[]
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*/
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public $parsers = array();
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/**
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* Current parser
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*
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* @var fpdi_pdf_parser
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*/
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public $currentParser;
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/**
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* The name of the last imported page box
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*
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* @var string
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*/
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public $lastUsedPageBox;
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/**
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* Object stack
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*
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* @var array
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*/
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protected $_objStack;
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/**
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* Done object stack
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*
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* @var array
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*/
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protected $_doneObjStack;
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/**
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* Current Object Id.
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*
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* @var integer
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*/
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protected $_currentObjId;
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/**
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* Cache for imported pages/template ids
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*
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* @var array
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*/
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protected $_importedPages = array();
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/**
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* Set a source-file.
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*
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* Depending on the PDF version of the used document the PDF version of the resulting document will
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* be adjusted to the higher version.
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*
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* @param string $filename A valid path to the PDF document from which pages should be imported from
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* @return int The number of pages in the document
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*/
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public function setSourceFile($filename)
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{
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$_filename = realpath($filename);
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if (false !== $_filename)
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$filename = $_filename;
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$this->currentFilename = $filename;
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if (!isset($this->parsers[$filename])) {
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$this->parsers[$filename] = $this->_getPdfParser($filename);
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$this->setPdfVersion(
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max($this->getPdfVersion(), $this->parsers[$filename]->getPdfVersion())
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);
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}
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$this->currentParser =& $this->parsers[$filename];
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return $this->parsers[$filename]->getPageCount();
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}
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/**
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* Returns a PDF parser object
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*
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* @param string $filename
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* @return fpdi_pdf_parser
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*/
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protected function _getPdfParser($filename)
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{
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require_once('fpdi_pdf_parser.php');
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return new fpdi_pdf_parser($filename);
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}
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/**
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* Get the current PDF version.
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*
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* @return string
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*/
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public function getPdfVersion()
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{
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return $this->PDFVersion;
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}
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/**
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* Set the PDF version.
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*
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* @param string $version
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*/
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public function setPdfVersion($version = '1.3')
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{
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$this->PDFVersion = sprintf('%.1F', $version);
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}
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/**
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* Import a page.
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*
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* The second parameter defines the bounding box that should be used to transform the page into a
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* form XObject.
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*
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* Following values are available: MediaBox, CropBox, BleedBox, TrimBox, ArtBox.
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* If a box is not especially defined its default box will be used:
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*
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* <ul>
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* <li>CropBox: Default -> MediaBox</li>
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* <li>BleedBox: Default -> CropBox</li>
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* <li>TrimBox: Default -> CropBox</li>
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* <li>ArtBox: Default -> CropBox</li>
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* </ul>
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*
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* It is possible to get the used page box by the {@link getLastUsedPageBox()} method.
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*
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* @param int $pageNo The page number
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* @param string $boxName The boundary box to use when transforming the page into a form XObject
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* @param boolean $groupXObject Define the form XObject as a group XObject to support transparency (if used)
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* @return int An id of the imported page/template to use with e.g. fpdf_tpl::useTemplate()
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* @throws LogicException|InvalidArgumentException
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* @see getLastUsedPageBox()
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*/
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public function importPage($pageNo, $boxName = 'CropBox', $groupXObject = true)
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{
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if ($this->_inTpl) {
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throw new LogicException('Please import the desired pages before creating a new template.');
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}
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$fn = $this->currentFilename;
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$boxName = '/' . ltrim($boxName, '/');
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// check if page already imported
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$pageKey = $fn . '-' . ((int)$pageNo) . $boxName;
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if (isset($this->_importedPages[$pageKey])) {
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return $this->_importedPages[$pageKey];
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}
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$parser = $this->parsers[$fn];
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$parser->setPageNo($pageNo);
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if (!in_array($boxName, $parser->availableBoxes)) {
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throw new InvalidArgumentException(sprintf('Unknown box: %s', $boxName));
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}
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$pageBoxes = $parser->getPageBoxes($pageNo, $this->k);
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/**
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* MediaBox
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* CropBox: Default -> MediaBox
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* BleedBox: Default -> CropBox
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* TrimBox: Default -> CropBox
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* ArtBox: Default -> CropBox
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*/
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if (!isset($pageBoxes[$boxName]) && ($boxName == '/BleedBox' || $boxName == '/TrimBox' || $boxName == '/ArtBox'))
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$boxName = '/CropBox';
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if (!isset($pageBoxes[$boxName]) && $boxName == '/CropBox')
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$boxName = '/MediaBox';
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if (!isset($pageBoxes[$boxName]))
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return false;
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$this->lastUsedPageBox = $boxName;
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$box = $pageBoxes[$boxName];
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$this->tpl++;
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$this->_tpls[$this->tpl] = array();
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$tpl =& $this->_tpls[$this->tpl];
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$tpl['parser'] = $parser;
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$tpl['resources'] = $parser->getPageResources();
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$tpl['buffer'] = $parser->getContent();
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$tpl['box'] = $box;
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$tpl['groupXObject'] = $groupXObject;
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if ($groupXObject) {
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$this->setPdfVersion(max($this->getPdfVersion(), 1.4));
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}
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// To build an array that can be used by PDF_TPL::useTemplate()
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$this->_tpls[$this->tpl] = array_merge($this->_tpls[$this->tpl], $box);
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// An imported page will start at 0,0 all the time. Translation will be set in _putformxobjects()
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$tpl['x'] = 0;
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$tpl['y'] = 0;
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// handle rotated pages
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$rotation = $parser->getPageRotation($pageNo);
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$tpl['_rotationAngle'] = 0;
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if (isset($rotation[1]) && ($angle = $rotation[1] % 360) != 0) {
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$steps = $angle / 90;
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$_w = $tpl['w'];
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$_h = $tpl['h'];
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$tpl['w'] = $steps % 2 == 0 ? $_w : $_h;
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$tpl['h'] = $steps % 2 == 0 ? $_h : $_w;
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if ($angle < 0)
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$angle += 360;
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$tpl['_rotationAngle'] = $angle * -1;
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}
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$this->_importedPages[$pageKey] = $this->tpl;
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return $this->tpl;
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}
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/**
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* Returns the last used page boundary box.
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*
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* @return string The used boundary box: MediaBox, CropBox, BleedBox, TrimBox or ArtBox
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*/
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public function getLastUsedPageBox()
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{
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return $this->lastUsedPageBox;
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}
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/**
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* Use a template or imported page in current page or other template.
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*
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* You can use a template in a page or in another template.
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* You can give the used template a new size. All parameters are optional.
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* The width or height is calculated automatically if one is given. If no
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* parameter is given the origin size as defined in beginTemplate() or of
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* the imported page is used.
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*
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* The calculated or used width and height are returned as an array.
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*
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* @param int $tplIdx A valid template-id
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* @param int $x The x-position
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* @param int $y The y-position
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* @param int $w The new width of the template
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* @param int $h The new height of the template
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* @param boolean $adjustPageSize If set to true the current page will be resized to fit the dimensions
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* of the template
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*
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* @return array The height and width of the template (array('w' => ..., 'h' => ...))
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* @throws LogicException|InvalidArgumentException
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*/
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public function useTemplate($tplIdx, $x = null, $y = null, $w = 0, $h = 0, $adjustPageSize = false)
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{
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if ($adjustPageSize == true && is_null($x) && is_null($y)) {
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$size = $this->getTemplateSize($tplIdx, $w, $h);
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$orientation = $size['w'] > $size['h'] ? 'L' : 'P';
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$size = array($size['w'], $size['h']);
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if (is_subclass_of($this, 'TCPDF')) {
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$this->setPageFormat($size, $orientation);
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} else {
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$size = $this->_getpagesize($size);
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if($orientation != $this->CurOrientation ||
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$size[0] != $this->CurPageSize[0] ||
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$size[1] != $this->CurPageSize[1]
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) {
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// New size or orientation
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if ($orientation=='P') {
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$this->w = $size[0];
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$this->h = $size[1];
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} else {
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$this->w = $size[1];
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$this->h = $size[0];
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}
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$this->wPt = $this->w * $this->k;
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$this->hPt = $this->h * $this->k;
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$this->PageBreakTrigger = $this->h - $this->bMargin;
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$this->CurOrientation = $orientation;
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$this->CurPageSize = $size;
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$this->PageSizes[$this->page] = array($this->wPt, $this->hPt);
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}
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}
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}
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$this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values
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$size = parent::useTemplate($tplIdx, $x, $y, $w, $h);
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$this->_out('Q');
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return $size;
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}
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/**
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* Copy all imported objects to the resulting document.
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*/
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protected function _putimportedobjects()
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{
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foreach($this->parsers AS $filename => $p) {
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$this->currentParser =& $p;
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if (!isset($this->_objStack[$filename]) || !is_array($this->_objStack[$filename])) {
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continue;
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}
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while(($n = key($this->_objStack[$filename])) !== null) {
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try {
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$nObj = $this->currentParser->resolveObject($this->_objStack[$filename][$n][1]);
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} catch (Exception $e) {
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$nObj = array(pdf_parser::TYPE_OBJECT, pdf_parser::TYPE_NULL);
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}
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$this->_newobj($this->_objStack[$filename][$n][0]);
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if ($nObj[0] == pdf_parser::TYPE_STREAM) {
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$this->_writeValue($nObj);
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} else {
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$this->_writeValue($nObj[1]);
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}
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$this->_out("\nendobj");
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$this->_objStack[$filename][$n] = null; // free memory
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unset($this->_objStack[$filename][$n]);
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reset($this->_objStack[$filename]);
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}
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}
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}
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/**
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* Writes the form XObjects to the PDF document.
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*/
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protected function _putformxobjects()
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{
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$filter = ($this->compress) ? '/Filter /FlateDecode ' : '';
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reset($this->_tpls);
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foreach($this->_tpls AS $tplIdx => $tpl) {
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$this->_newobj();
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$currentN = $this->n; // TCPDF/Protection: rem current "n"
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$this->_tpls[$tplIdx]['n'] = $this->n;
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$this->_out('<<' . $filter . '/Type /XObject');
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$this->_out('/Subtype /Form');
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$this->_out('/FormType 1');
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$this->_out(sprintf('/BBox [%.2F %.2F %.2F %.2F]',
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(isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x']) * $this->k,
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(isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y']) * $this->k,
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(isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x']) * $this->k,
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(isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h'] - $tpl['y']) * $this->k
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));
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$c = 1;
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$s = 0;
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$tx = 0;
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$ty = 0;
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if (isset($tpl['box'])) {
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$tx = -$tpl['box']['llx'];
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$ty = -$tpl['box']['lly'];
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if ($tpl['_rotationAngle'] <> 0) {
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$angle = $tpl['_rotationAngle'] * M_PI/180;
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$c = cos($angle);
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$s = sin($angle);
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switch($tpl['_rotationAngle']) {
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case -90:
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$tx = -$tpl['box']['lly'];
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$ty = $tpl['box']['urx'];
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break;
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case -180:
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$tx = $tpl['box']['urx'];
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$ty = $tpl['box']['ury'];
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break;
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case -270:
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$tx = $tpl['box']['ury'];
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$ty = -$tpl['box']['llx'];
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break;
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}
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}
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} else if ($tpl['x'] != 0 || $tpl['y'] != 0) {
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$tx = -$tpl['x'] * 2;
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$ty = $tpl['y'] * 2;
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}
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$tx *= $this->k;
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$ty *= $this->k;
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if ($c != 1 || $s != 0 || $tx != 0 || $ty != 0) {
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$this->_out(sprintf('/Matrix [%.5F %.5F %.5F %.5F %.5F %.5F]',
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$c, $s, -$s, $c, $tx, $ty
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));
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}
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$this->_out('/Resources ');
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if (isset($tpl['resources'])) {
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$this->currentParser = $tpl['parser'];
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$this->_writeValue($tpl['resources']); // "n" will be changed
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} else {
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$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
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if (isset($this->_res['tpl'][$tplIdx])) {
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$res = $this->_res['tpl'][$tplIdx];
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if (isset($res['fonts']) && count($res['fonts'])) {
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$this->_out('/Font <<');
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foreach ($res['fonts'] as $font)
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$this->_out('/F' . $font['i'] . ' ' . $font['n'] . ' 0 R');
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$this->_out('>>');
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}
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if (isset($res['images']) && count($res['images']) ||
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isset($res['tpls']) && count($res['tpls']))
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{
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$this->_out('/XObject <<');
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if (isset($res['images'])) {
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foreach ($res['images'] as $image)
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$this->_out('/I' . $image['i'] . ' ' . $image['n'] . ' 0 R');
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}
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if (isset($res['tpls'])) {
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foreach ($res['tpls'] as $i => $_tpl)
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$this->_out($this->tplPrefix . $i . ' ' . $_tpl['n'] . ' 0 R');
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}
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$this->_out('>>');
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}
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$this->_out('>>');
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}
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}
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if (isset($tpl['groupXObject']) && $tpl['groupXObject']) {
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$this->_out('/Group <</Type/Group/S/Transparency>>');
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}
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$newN = $this->n; // TCPDF: rem new "n"
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$this->n = $currentN; // TCPDF: reset to current "n"
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$buffer = ($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer'];
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if (is_subclass_of($this, 'TCPDF')) {
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$buffer = $this->_getrawstream($buffer);
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$this->_out('/Length ' . strlen($buffer) . ' >>');
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$this->_out("stream\n" . $buffer . "\nendstream");
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} else {
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$this->_out('/Length ' . strlen($buffer) . ' >>');
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$this->_putstream($buffer);
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}
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$this->_out('endobj');
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$this->n = $newN; // TCPDF: reset to new "n"
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}
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$this->_putimportedobjects();
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}
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/**
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* Creates and optionally write the object definition to the document.
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*
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* Rewritten to handle existing own defined objects
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*
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* @param bool $objId
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* @param bool $onlyNewObj
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* @return bool|int
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*/
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public function _newobj($objId = false, $onlyNewObj = false)
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{
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if (!$objId) {
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$objId = ++$this->n;
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}
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//Begin a new object
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if (!$onlyNewObj) {
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$this->offsets[$objId] = is_subclass_of($this, 'TCPDF') ? $this->bufferlen : strlen($this->buffer);
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$this->_out($objId . ' 0 obj');
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$this->_currentObjId = $objId; // for later use with encryption
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}
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return $objId;
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}
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/**
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* Writes a PDF value to the resulting document.
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*
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* Needed to rebuild the source document
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*
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* @param mixed $value A PDF-Value. Structure of values see cases in this method
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|
*/
|
|
protected function _writeValue(&$value)
|
|
{
|
|
if (is_subclass_of($this, 'TCPDF')) {
|
|
parent::_prepareValue($value);
|
|
}
|
|
|
|
switch ($value[0]) {
|
|
|
|
case pdf_parser::TYPE_TOKEN:
|
|
$this->_straightOut($value[1] . ' ');
|
|
break;
|
|
case pdf_parser::TYPE_NUMERIC:
|
|
case pdf_parser::TYPE_REAL:
|
|
if (is_float($value[1]) && $value[1] != 0) {
|
|
$this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') . ' ');
|
|
} else {
|
|
$this->_straightOut($value[1] . ' ');
|
|
}
|
|
break;
|
|
|
|
case pdf_parser::TYPE_ARRAY:
|
|
|
|
// An array. Output the proper
|
|
// structure and move on.
|
|
|
|
$this->_straightOut('[');
|
|
for ($i = 0; $i < count($value[1]); $i++) {
|
|
$this->_writeValue($value[1][$i]);
|
|
}
|
|
|
|
$this->_out(']');
|
|
break;
|
|
|
|
case pdf_parser::TYPE_DICTIONARY:
|
|
|
|
// A dictionary.
|
|
$this->_straightOut('<<');
|
|
|
|
reset ($value[1]);
|
|
|
|
while (list($k, $v) = each($value[1])) {
|
|
$this->_straightOut($k . ' ');
|
|
$this->_writeValue($v);
|
|
}
|
|
|
|
$this->_straightOut('>>');
|
|
break;
|
|
|
|
case pdf_parser::TYPE_OBJREF:
|
|
|
|
// An indirect object reference
|
|
// Fill the object stack if needed
|
|
$cpfn =& $this->currentParser->filename;
|
|
if (!isset($this->_doneObjStack[$cpfn][$value[1]])) {
|
|
$this->_newobj(false, true);
|
|
$this->_objStack[$cpfn][$value[1]] = array($this->n, $value);
|
|
$this->_doneObjStack[$cpfn][$value[1]] = array($this->n, $value);
|
|
}
|
|
$objId = $this->_doneObjStack[$cpfn][$value[1]][0];
|
|
|
|
$this->_out($objId . ' 0 R');
|
|
break;
|
|
|
|
case pdf_parser::TYPE_STRING:
|
|
|
|
// A string.
|
|
$this->_straightOut('(' . $value[1] . ')');
|
|
|
|
break;
|
|
|
|
case pdf_parser::TYPE_STREAM:
|
|
|
|
// A stream. First, output the
|
|
// stream dictionary, then the
|
|
// stream data itself.
|
|
$this->_writeValue($value[1]);
|
|
$this->_out('stream');
|
|
$this->_out($value[2][1]);
|
|
$this->_straightOut("endstream");
|
|
break;
|
|
|
|
case pdf_parser::TYPE_HEX:
|
|
$this->_straightOut('<' . $value[1] . '>');
|
|
break;
|
|
|
|
case pdf_parser::TYPE_BOOLEAN:
|
|
$this->_straightOut($value[1] ? 'true ' : 'false ');
|
|
break;
|
|
|
|
case pdf_parser::TYPE_NULL:
|
|
// The null object.
|
|
|
|
$this->_straightOut('null ');
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Modified _out() method so not each call will add a newline to the output.
|
|
*/
|
|
protected function _straightOut($s)
|
|
{
|
|
if (!is_subclass_of($this, 'TCPDF')) {
|
|
if ($this->state == 2) {
|
|
$this->pages[$this->page] .= $s;
|
|
} else {
|
|
$this->buffer .= $s;
|
|
}
|
|
|
|
} else {
|
|
if ($this->state == 2) {
|
|
if ($this->inxobj) {
|
|
// we are inside an XObject template
|
|
$this->xobjects[$this->xobjid]['outdata'] .= $s;
|
|
} else if ((!$this->InFooter) AND isset($this->footerlen[$this->page]) AND ($this->footerlen[$this->page] > 0)) {
|
|
// puts data before page footer
|
|
$pagebuff = $this->getPageBuffer($this->page);
|
|
$page = substr($pagebuff, 0, -$this->footerlen[$this->page]);
|
|
$footer = substr($pagebuff, -$this->footerlen[$this->page]);
|
|
$this->setPageBuffer($this->page, $page . $s . $footer);
|
|
// update footer position
|
|
$this->footerpos[$this->page] += strlen($s);
|
|
} else {
|
|
// set page data
|
|
$this->setPageBuffer($this->page, $s, true);
|
|
}
|
|
} else if ($this->state > 0) {
|
|
// set general data
|
|
$this->setBuffer($s);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ends the document
|
|
*
|
|
* Overwritten to close opened parsers
|
|
*/
|
|
public function _enddoc()
|
|
{
|
|
parent::_enddoc();
|
|
$this->_closeParsers();
|
|
}
|
|
|
|
/**
|
|
* Close all files opened by parsers.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
protected function _closeParsers()
|
|
{
|
|
if ($this->state > 2) {
|
|
$this->cleanUp();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Removes cycled references and closes the file handles of the parser objects.
|
|
*/
|
|
public function cleanUp()
|
|
{
|
|
while (($parser = array_pop($this->parsers)) !== null) {
|
|
/**
|
|
* @var fpdi_pdf_parser $parser
|
|
*/
|
|
$parser->closeFile();
|
|
}
|
|
}
|
|
}
|