mirror of
https://github.com/OpenXE-org/OpenXE.git
synced 2024-11-16 04:57:15 +01:00
441 lines
13 KiB
PHP
441 lines
13 KiB
PHP
<?php
|
|
//
|
|
// FPDI - Version 1.1
|
|
//
|
|
// Copyright 2004,2005 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.
|
|
//
|
|
|
|
define ('PDF_TYPE_NULL', 0);
|
|
define ('PDF_TYPE_NUMERIC', 1);
|
|
define ('PDF_TYPE_TOKEN', 2);
|
|
define ('PDF_TYPE_HEX', 3);
|
|
define ('PDF_TYPE_STRING', 4);
|
|
define ('PDF_TYPE_DICTIONARY', 5);
|
|
define ('PDF_TYPE_ARRAY', 6);
|
|
define ('PDF_TYPE_OBJDEC', 7);
|
|
define ('PDF_TYPE_OBJREF', 8);
|
|
define ('PDF_TYPE_OBJECT', 9);
|
|
define ('PDF_TYPE_STREAM', 10);
|
|
|
|
ini_set('auto_detect_line_endings',1); // Strongly required!
|
|
|
|
require_once("fpdf_tpl.php");
|
|
require_once("fpdi_pdf_parser.php");
|
|
|
|
|
|
class fpdi extends fpdf_tpl {
|
|
/**
|
|
* Actual filename
|
|
* @var string
|
|
*/
|
|
var $current_filename;
|
|
|
|
/**
|
|
* Parser-Objects
|
|
* @var array
|
|
*/
|
|
var $parsers;
|
|
|
|
/**
|
|
* Current parser
|
|
* @var object
|
|
*/
|
|
var $current_parser;
|
|
|
|
/**
|
|
* FPDF/FPDI - PDF-Version
|
|
* @var double
|
|
*/
|
|
var $PDFVersion = 1.3;
|
|
|
|
/**
|
|
* Highest version of imported PDF
|
|
* @var double
|
|
*/
|
|
var $importVersion = 1.3;
|
|
|
|
/**
|
|
* object stack
|
|
* @var array
|
|
*/
|
|
var $obj_stack;
|
|
|
|
/**
|
|
* done object stack
|
|
* @var array
|
|
*/
|
|
var $don_obj_stack;
|
|
|
|
/**
|
|
* Current Object Id.
|
|
* @var integer
|
|
*/
|
|
var $current_obj_id;
|
|
|
|
/**
|
|
* Constructor
|
|
* See FPDF-Manual
|
|
*/
|
|
public function __construct($orientation='P',$unit='mm',$format='visis') {
|
|
parent::__construct($orientation,$unit,$format);
|
|
}
|
|
|
|
public function __destruct()
|
|
{
|
|
$this->closeAllParser();
|
|
}
|
|
|
|
/**
|
|
* Set a source-file
|
|
*
|
|
* @param string $filename a valid filename
|
|
* @return int number of available pages
|
|
*/
|
|
public function setSourceFile($filename) {
|
|
$this->current_filename = $filename;
|
|
$fn =& $this->current_filename;
|
|
if(!empty($this->parsers[$fn]) && method_exists($this->parsers[$fn], 'closeFile'))
|
|
{
|
|
$this->parsers[$fn]->closeFile();
|
|
}
|
|
$this->parsers[$fn] = new fpdi_pdf_parser($fn,$this);
|
|
$this->current_parser =& $this->parsers[$fn];
|
|
|
|
return $this->parsers[$fn]->getPageCount();
|
|
}
|
|
|
|
public function closeAllParser()
|
|
{
|
|
if(!empty($this->parsers))
|
|
{
|
|
foreach($this->parsers as $fn => $v)
|
|
{
|
|
if(!empty($this->parsers[$fn]) && method_exists($this->parsers[$fn], 'closeFile'))
|
|
{
|
|
$this->parsers[$fn]->closeFile();
|
|
}
|
|
unset($this->parsers[$fn]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Import a page
|
|
*
|
|
* @param int $pageno pagenumber
|
|
* @return int Index of imported page - to use with fpdf_tpl::useTemplate()
|
|
*/
|
|
function ImportPage($pageno) {
|
|
$fn =& $this->current_filename;
|
|
|
|
$this->parsers[$fn]->setPageno($pageno);
|
|
|
|
$this->tpl++;
|
|
$this->tpls[$this->tpl] = array();
|
|
$this->tpls[$this->tpl]['parser'] =& $this->parsers[$fn];
|
|
$this->tpls[$this->tpl]['resources'] = $this->parsers[$fn]->getPageResources();
|
|
$this->tpls[$this->tpl]['buffer'] = $this->parsers[$fn]->getContent();
|
|
// $mediabox holds the dimensions of the source page
|
|
$mediabox = $this->parsers[$fn]->getPageMediaBox($pageno);
|
|
|
|
// To build array that can used by pdf_tpl::useTemplate()
|
|
$this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl],$mediabox);
|
|
|
|
return $this->tpl;
|
|
}
|
|
|
|
/**
|
|
* Private method, that rebuilds all needed objects of source files
|
|
*/
|
|
function _putOobjects() {
|
|
if (is_array($this->parsers) && count($this->parsers) > 0) {
|
|
foreach($this->parsers AS $filename => $p) {
|
|
$this->current_parser =& $this->parsers[$filename];
|
|
if (is_array($this->obj_stack[$filename])) {
|
|
while($n = key($this->obj_stack[$filename])) {
|
|
$nObj = $this->current_parser->pdf_resolve_object($this->current_parser->c,$this->obj_stack[$filename][$n][1]);
|
|
|
|
$this->_newobj($this->obj_stack[$filename][$n][0]);
|
|
|
|
if ($nObj[0] == PDF_TYPE_STREAM) {
|
|
$this->pdf_write_value ($nObj);
|
|
} else {
|
|
$this->pdf_write_value ($nObj[1]);
|
|
}
|
|
|
|
$this->_out('endobj');
|
|
$this->obj_stack[$filename][$n] = null; // free memory
|
|
unset($this->obj_stack[$filename][$n]);
|
|
reset($this->obj_stack[$filename]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Rewritten for handling own defined PDF-Versions
|
|
* only needed by FPDF 1.52
|
|
*/
|
|
function _begindoc() {
|
|
//Start document
|
|
$this->state=1;
|
|
}
|
|
|
|
/**
|
|
* Sets the PDF Version to the highest of imported documents
|
|
*/
|
|
function setVersion() {
|
|
if ($this->importVersion > $this->PDFVersion)
|
|
$this->PDFVersion = $this->importVersion;
|
|
|
|
if (!method_exists($this, '_putheader')) {
|
|
$this->buffer = '%PDF-'.$this->PDFVersion."\n".$this->buffer;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* rewritten for handling higher PDF Versions
|
|
*/
|
|
function _enddoc() {
|
|
$this->setVersion();
|
|
parent::_enddoc();
|
|
}
|
|
|
|
|
|
/**
|
|
* Put resources
|
|
*/
|
|
function _putresources() {
|
|
$this->_putfonts();
|
|
$this->_putimages();
|
|
$this->_puttemplates();
|
|
$this->_putOobjects();
|
|
|
|
//Resource dictionary
|
|
$this->offsets[2]=strlen($this->buffer);
|
|
$this->_out('2 0 obj');
|
|
$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
|
|
$this->_out('/Font <<');
|
|
foreach($this->fonts as $font)
|
|
$this->_out($this->fontprefix.$font['i'].' '.$font['n'].' 0 R');
|
|
$this->_out('>>');
|
|
if(count($this->images) || count($this->tpls))
|
|
{
|
|
$this->_out('/XObject <<');
|
|
if (count($this->images)) {
|
|
foreach($this->images as $image)
|
|
$this->_out('/I'.$image['i'].' '.$image['n'].' 0 R');
|
|
}
|
|
if (count($this->tpls)) {
|
|
foreach($this->tpls as $tplidx => $tpl)
|
|
$this->_out($this->tplprefix.$tplidx.' '.$tpl['n'].' 0 R');
|
|
}
|
|
$this->_out('>>');
|
|
}
|
|
$this->_out('>>');
|
|
$this->_out('endobj');
|
|
}
|
|
|
|
/**
|
|
* Private Method that writes /XObjects - "Templates"
|
|
*/
|
|
function _puttemplates() {
|
|
$filter=($this->compress) ? '/Filter /FlateDecode ' : '';
|
|
reset($this->tpls);
|
|
foreach($this->tpls AS $tplidx => $tpl) {
|
|
|
|
$p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer'];
|
|
$this->_newobj();
|
|
$this->tpls[$tplidx]['n'] = $this->n;
|
|
$this->_out('<<'.$filter.'/Type /XObject');
|
|
$this->_out('/Subtype /Form');
|
|
$this->_out('/FormType 1');
|
|
$this->_out(sprintf('/BBox [%.2f %.2f %.2f %.2f]',$tpl['x']*$this->k, ($tpl['h']-$tpl['y'])*$this->k, $tpl['w']*$this->k, ($tpl['h']-$tpl['y']-$tpl['h'])*$this->k));
|
|
$this->_out('/Resources ');
|
|
|
|
if ($tpl['resources']) {
|
|
$this->current_parser =& $tpl['parser'];
|
|
$this->pdf_write_value($tpl['resources']);
|
|
} else {
|
|
$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
|
|
if (count($this->res['tpl'][$tplidx]['fonts'])) {
|
|
$this->_out('/Font <<');
|
|
foreach($this->res['tpl'][$tplidx]['fonts'] as $font)
|
|
$this->_out($this->fontprefix.$font['i'].' '.$font['n'].' 0 R');
|
|
$this->_out('>>');
|
|
}
|
|
if(count($this->res['tpl'][$tplidx]['images']) || count($this->res['tpl'][$tplidx]['tpls']))
|
|
{
|
|
$this->_out('/XObject <<');
|
|
if (count($this->res['tpl'][$tplidx]['images'])) {
|
|
foreach($this->res['tpl'][$tplidx]['images'] as $image)
|
|
$this->_out('/I'.$image['i'].' '.$image['n'].' 0 R');
|
|
}
|
|
if (count($this->res['tpl'][$tplidx]['tpls'])) {
|
|
foreach($this->res['tpl'][$tplidx]['tpls'] as $i => $tpl)
|
|
$this->_out($this->tplprefix.$i.' '.$tpl['n'].' 0 R');
|
|
}
|
|
$this->_out('>>');
|
|
}
|
|
$this->_out('>>');
|
|
}
|
|
|
|
$this->_out('/Length '.strlen($p).' >>');
|
|
$this->_putstream($p);
|
|
$this->_out('endobj');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Rewritten to handle existing own defined objects
|
|
*/
|
|
function _newobj($obj_id=false,$onlynewobj=false) {
|
|
if (!$obj_id) {
|
|
$obj_id = ++$this->n;
|
|
}
|
|
|
|
//Begin a new object
|
|
if (!$onlynewobj) {
|
|
$this->offsets[$obj_id]=strlen($this->buffer);
|
|
$this->_out($obj_id.' 0 obj');
|
|
$this->current_obj_id = $obj_id; // for later use with encryption
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Writes a value
|
|
* Needed to rebuild the source document
|
|
*
|
|
* @param mixed $value A PDF-Value. Structure of values see cases in this method
|
|
*/
|
|
function pdf_write_value(&$value)
|
|
{
|
|
|
|
switch ($value[0]) {
|
|
|
|
case PDF_TYPE_NUMERIC :
|
|
case PDF_TYPE_TOKEN :
|
|
// A numeric value or a token.
|
|
// Simply output them
|
|
$this->_out($value[1]." ");
|
|
break;
|
|
|
|
case PDF_TYPE_ARRAY :
|
|
|
|
// An array. Output the proper
|
|
// structure and move on.
|
|
|
|
$this->_out("[",false);
|
|
for ($i = 0; $i < count($value[1]); $i++) {
|
|
$this->pdf_write_value($value[1][$i]);
|
|
}
|
|
|
|
$this->_out("]");
|
|
break;
|
|
|
|
case PDF_TYPE_DICTIONARY :
|
|
|
|
// A dictionary.
|
|
$this->_out("<<",false);
|
|
|
|
reset ($value[1]);
|
|
/*
|
|
while (list($k, $v) = each($value[1])) {
|
|
$this->_out($k . " ",false);
|
|
$this->pdf_write_value($v);
|
|
}
|
|
*/
|
|
|
|
foreach($value[1] as $k => $v) {
|
|
$this->_out($k . " ",false);
|
|
$this->pdf_write_value($v);
|
|
}
|
|
|
|
$this->_out(">>");
|
|
break;
|
|
|
|
case PDF_TYPE_OBJREF :
|
|
|
|
// An indirect object reference
|
|
// Fill the object stack if needed
|
|
if (!isset($this->don_obj_stack[$this->current_parser->filename][$value[1]])) {
|
|
$this->_newobj(false,true);
|
|
$this->obj_stack[$this->current_parser->filename][$value[1]] = array($this->n,$value);
|
|
$this->don_obj_stack[$this->current_parser->filename][$value[1]] = array($this->n,$value);
|
|
}
|
|
$objid = $this->don_obj_stack[$this->current_parser->filename][$value[1]][0];
|
|
|
|
$this->_out("{$objid} 0 R"); //{$value[2]}
|
|
break;
|
|
|
|
case PDF_TYPE_STRING :
|
|
|
|
// A string.
|
|
$this->_out('(' . $value[1] . ')');
|
|
|
|
break;
|
|
|
|
case PDF_TYPE_STREAM :
|
|
|
|
// A stream. First, output the
|
|
// stream dictionary, then the
|
|
// stream data itself.
|
|
$this->pdf_write_value($value[1]);
|
|
$this->_out("stream");
|
|
$this->_out($value[2][1]);
|
|
$this->_out("endstream");
|
|
break;
|
|
case PDF_TYPE_HEX :
|
|
|
|
$this->_out("<" . $value[1] . ">");
|
|
break;
|
|
|
|
case PDF_TYPE_NULL :
|
|
// The null object.
|
|
|
|
$this->_out("null");
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Private Method
|
|
*/
|
|
function _out($s,$ln=true) {
|
|
//Add a line to the document
|
|
if ($this->state==2) {
|
|
if (!$this->intpl)
|
|
$this->pages[$this->page].=$s.($ln == true ? "\n" : '');
|
|
else
|
|
$this->tpls[$this->tpl]['buffer'] .= $s.($ln == true ? "\n" : '');
|
|
} else {
|
|
$this->buffer.=$s.($ln == true ? "\n" : '');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* close all files opened by parsers
|
|
*/
|
|
function closeParsers() {
|
|
foreach ($this->parsers as $parser){
|
|
$parser->closeFile();
|
|
}
|
|
}
|
|
|
|
}
|