504 lines
16 KiB
PHP
504 lines
16 KiB
PHP
<?php
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//
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// FPDI - Version 1.3
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//
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// Copyright 2004-2009 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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define('FPDI_VERSION','1.3');
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// Check for TCPDF and remap TCPDF to FPDF
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//if (class_exists('TCPDF')) {
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// require_once('fpdi2tcpdf_bridge.php');
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//}
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require_once('fpdf_tpl.php');
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require_once('fpdi_pdf_parser.php');
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class FPDI extends FPDF_TPL {
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/**
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* Actual filename
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* @var string
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*/
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var $current_filename;
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/**
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* Parser-Objects
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* @var array
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*/
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var $parsers;
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/**
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* Current parser
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* @var object
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*/
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var $current_parser;
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/**
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* object stack
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* @var array
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*/
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var $_obj_stack;
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/**
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* done object stack
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* @var array
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*/
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var $_don_obj_stack;
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/**
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* Current Object Id.
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* @var integer
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*/
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var $_current_obj_id;
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/**
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* The name of the last imported page box
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* @var string
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*/
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var $lastUsedPageBox;
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var $_importedPages = array();
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/**
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* Set a source-file
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*
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* @param string $filename a valid filename
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* @return int number of available pages
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*/
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function setSourceFile($filename) {
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$this->current_filename = $filename;
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$fn =& $this->current_filename;
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if (!isset($this->parsers[$fn]))
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$this->parsers[$fn] =& new fpdi_pdf_parser($fn, $this);
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$this->current_parser =& $this->parsers[$fn];
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return $this->parsers[$fn]->getPageCount();
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}
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/**
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* Import a page
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*
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* @param int $pageno pagenumber
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* @return int Index of imported page - to use with fpdf_tpl::useTemplate()
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*/
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function importPage($pageno, $boxName='/CropBox') {
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if ($this->_intpl) {
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return $this->error('Please import the desired pages before creating a new template.');
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}
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$fn =& $this->current_filename;
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// check if page already imported
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$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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$parser =& $this->parsers[$fn];
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$parser->setPageno($pageno);
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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'] = $parser->getContent();
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if (!in_array($boxName, $parser->availableBoxes))
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return $this->Error(sprintf('Unknown box: %s', $boxName));
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$pageboxes = $parser->getPageBoxes($pageno);
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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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$tpl['box'] = $box;
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// To build an array that can be used by PDF_TPL::useTemplate()
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$this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl],$box);
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// An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects()
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$tpl['x'] = 0;
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$tpl['y'] = 0;
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$page =& $parser->pages[$parser->pageno];
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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 : $_w;
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$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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function getLastUsedPageBox() {
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return $this->lastUsedPageBox;
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}
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function useTemplate($tplidx, $_x=null, $_y=null, $_w=0, $_h=0, $adjustPageSize=false) {
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if ($adjustPageSize == true && is_null($_x) && is_null($_y)) {
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$size = $this->getTemplateSize($tplidx, $_w, $_h);
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$format = array($size['w'], $size['h']);
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if ($format[0]!=$this->CurPageFormat[0] || $format[1]!=$this->CurPageFormat[1]) {
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$this->w=$format[0];
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$this->h=$format[1];
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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->CurPageFormat=$format;
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$this->PageSizes[$this->page]=array($this->wPt, $this->hPt);
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}
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}
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$this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values
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$s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h);
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$this->_out('Q');
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return $s;
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}
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/**
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* Private method, that rebuilds all needed objects of source files
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*/
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function _putimportedobjects() {
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if (is_array($this->parsers) && count($this->parsers) > 0) {
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foreach($this->parsers AS $filename => $p) {
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$this->current_parser =& $this->parsers[$filename];
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if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) {
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while(($n = key($this->_obj_stack[$filename])) !== null) {
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$nObj = $this->current_parser->pdf_resolve_object($this->current_parser->c,$this->_obj_stack[$filename][$n][1]);
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$this->_newobj($this->_obj_stack[$filename][$n][0]);
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if ($nObj[0] == PDF_TYPE_STREAM) {
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$this->pdf_write_value ($nObj);
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} else {
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$this->pdf_write_value ($nObj[1]);
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}
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$this->_out('endobj');
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$this->_obj_stack[$filename][$n] = null; // free memory
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unset($this->_obj_stack[$filename][$n]);
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reset($this->_obj_stack[$filename]);
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}
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}
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}
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}
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}
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/**
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* Private Method that writes the form xobjects
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*/
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function _putformxobjects() {
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$filter=($this->compress) ? '/Filter /FlateDecode ' : '';
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reset($this->tpls);
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foreach($this->tpls AS $tplidx => $tpl) {
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$p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer'];
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$this->_newobj();
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$cN = $this->n; // TCPDF/Protection: rem current "n"
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$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 = 0;
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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->current_parser =& $tpl['parser'];
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$this->pdf_write_value($tpl['resources']); // "n" will be changed
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} else {
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$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
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if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) {
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$this->_out('/Font <<');
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foreach($this->_res['tpl'][$tplidx]['fonts'] as $font)
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$this->_out('/F'.$font['i'].' '.$font['n'].' 0 R');
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$this->_out('>>');
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}
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if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) ||
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isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls']))
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{
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$this->_out('/XObject <<');
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if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) {
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foreach($this->_res['tpl'][$tplidx]['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($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) {
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foreach($this->_res['tpl'][$tplidx]['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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$this->_out('>>');
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}
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$nN = $this->n; // TCPDF: rem new "n"
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$this->n = $cN; // TCPDF: reset to current "n"
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$this->_out('/Length '.strlen($p).' >>');
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$this->_putstream($p);
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$this->_out('endobj');
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$this->n = $nN; // TCPDF: reset to new "n"
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}
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$this->_putimportedobjects();
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}
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/**
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* Rewritten to handle existing own defined objects
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*/
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function _newobj($obj_id=false,$onlynewobj=false) {
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if (!$obj_id) {
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$obj_id = ++$this->n;
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}
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//Begin a new object
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if (!$onlynewobj) {
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$this->offsets[$obj_id] = is_subclass_of($this, 'TCPDF') ? $this->bufferlen : strlen($this->buffer);
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$this->_out($obj_id.' 0 obj');
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$this->_current_obj_id = $obj_id; // for later use with encryption
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}
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}
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/**
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* Writes a value
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* Needed to rebuild the source document
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*
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* @param mixed $value A PDF-Value. Structure of values see cases in this method
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*/
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function pdf_write_value(&$value)
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{
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if (is_subclass_of($this, 'TCPDF')) {
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parent::pdf_write_value($value);
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}
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switch ($value[0]) {
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case PDF_TYPE_TOKEN :
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$this->_straightOut($value[1] . ' ');
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break;
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case PDF_TYPE_NUMERIC :
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case PDF_TYPE_REAL :
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if (is_float($value[1]) && $value[1] != 0) {
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$this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') .' ');
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} else {
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$this->_straightOut($value[1] . ' ');
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}
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break;
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case PDF_TYPE_ARRAY :
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// An array. Output the proper
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// structure and move on.
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$this->_straightOut('[');
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for ($i = 0; $i < count($value[1]); $i++) {
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$this->pdf_write_value($value[1][$i]);
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}
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$this->_out(']');
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break;
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case PDF_TYPE_DICTIONARY :
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// A dictionary.
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$this->_straightOut('<<');
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reset ($value[1]);
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while (list($k, $v) = each($value[1])) {
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$this->_straightOut($k . ' ');
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$this->pdf_write_value($v);
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}
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$this->_straightOut('>>');
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break;
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case PDF_TYPE_OBJREF :
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// An indirect object reference
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// Fill the object stack if needed
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$cpfn =& $this->current_parser->filename;
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if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) {
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$this->_newobj(false,true);
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$this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value);
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$this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!!
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}
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$objid = $this->_don_obj_stack[$cpfn][$value[1]][0];
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$this->_out($objid.' 0 R');
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break;
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case PDF_TYPE_STRING :
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// A string.
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$this->_straightOut('('.$value[1].')');
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break;
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case PDF_TYPE_STREAM :
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// A stream. First, output the
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// stream dictionary, then the
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// stream data itself.
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$this->pdf_write_value($value[1]);
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$this->_out('stream');
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$this->_out($value[2][1]);
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$this->_out('endstream');
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break;
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case PDF_TYPE_HEX :
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$this->_straightOut('<'.$value[1].'>');
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break;
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case PDF_TYPE_BOOLEAN :
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$this->_straightOut($value[1] ? 'true ' : 'false ');
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break;
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case PDF_TYPE_NULL :
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// The null object.
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$this->_straightOut('null ');
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break;
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}
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}
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/**
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* Modified so not each call will add a newline to the output.
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*/
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function _straightOut($s) {
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if (!is_subclass_of($this, 'TCPDF')) {
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if($this->state==2)
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$this->pages[$this->page] .= $s;
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else
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$this->buffer .= $s;
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} else {
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if ($this->state == 2) {
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if (isset($this->footerlen[$this->page]) AND ($this->footerlen[$this->page] > 0)) {
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// puts data before page footer
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$page = substr($this->getPageBuffer($this->page), 0, -$this->footerlen[$this->page]);
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$footer = substr($this->getPageBuffer($this->page), -$this->footerlen[$this->page]);
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$this->setPageBuffer($this->page, $page.' '.$s."\n".$footer);
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} else {
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$this->setPageBuffer($this->page, $s, true);
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}
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} else {
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$this->setBuffer($s);
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}
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}
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}
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/**
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* rewritten to close opened parsers
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*
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*/
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function _enddoc() {
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parent::_enddoc();
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$this->_closeParsers();
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}
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/**
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* close all files opened by parsers
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*/
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function _closeParsers() {
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if ($this->state > 2 && count($this->parsers) > 0) {
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foreach ($this->parsers as $k => $_){
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$this->parsers[$k]->closeFile();
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$this->parsers[$k] = null;
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unset($this->parsers[$k]);
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}
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return true;
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}
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return false;
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}
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} |