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upgrade to version 1.4.2

This commit is contained in:
wlx 2011-11-03 02:33:37 +00:00
parent 3e10abd046
commit f6ce576e7f
9 changed files with 1293 additions and 850 deletions
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101
include/fpdi/filters/FilterASCII85.php Normal file
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@ -0,0 +1,101 @@
<?php
//
// FPDI - Version 1.4.2
//
// Copyright 2004-2011 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.
//
if (!defined('ORD_z'))
define('ORD_z',ord('z'));
if (!defined('ORD_exclmark'))
define('ORD_exclmark', ord('!'));
if (!defined('ORD_u'))
define('ORD_u', ord('u'));
if (!defined('ORD_tilde'))
define('ORD_tilde', ord('~'));
if (!class_exists('FilterASCII85', false)) {
class FilterASCII85 {
function error($msg) {
die($msg);
}
function decode($in) {
$out = '';
$state = 0;
$chn = null;
$l = strlen($in);
for ($k = 0; $k < $l; ++$k) {
$ch = ord($in[$k]) & 0xff;
if ($ch == ORD_tilde) {
break;
}
if (preg_match('/^\s$/',chr($ch))) {
continue;
}
if ($ch == ORD_z && $state == 0) {
$out .= chr(0) . chr(0) . chr(0) . chr(0);
continue;
}
if ($ch < ORD_exclmark || $ch > ORD_u) {
return $this->error('Illegal character in ASCII85Decode.');
}
$chn[$state++] = $ch - ORD_exclmark;
if ($state == 5) {
$state = 0;
$r = 0;
for ($j = 0; $j < 5; ++$j)
$r = $r * 85 + $chn[$j];
$out .= chr($r >> 24);
$out .= chr($r >> 16);
$out .= chr($r >> 8);
$out .= chr($r);
}
}
$r = 0;
if ($state == 1)
return $this->error('Illegal length in ASCII85Decode.');
if ($state == 2) {
$r = $chn[0] * 85 * 85 * 85 * 85 + ($chn[1]+1) * 85 * 85 * 85;
$out .= chr($r >> 24);
}
else if ($state == 3) {
$r = $chn[0] * 85 * 85 * 85 * 85 + $chn[1] * 85 * 85 * 85 + ($chn[2]+1) * 85 * 85;
$out .= chr($r >> 24);
$out .= chr($r >> 16);
}
else if ($state == 4) {
$r = $chn[0] * 85 * 85 * 85 * 85 + $chn[1] * 85 * 85 * 85 + $chn[2] * 85 * 85 + ($chn[3]+1) * 85 ;
$out .= chr($r >> 24);
$out .= chr($r >> 16);
$out .= chr($r >> 8);
}
return $out;
}
function encode($in) {
return $this->error("ASCII85 encoding not implemented.");
}
}
}

33
include/fpdi/filters/FilterASCII85_FPDI.php Normal file
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@ -0,0 +1,33 @@
<?php
//
// FPDI - Version 1.4.2
//
// Copyright 2004-2011 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('FilterASCII85.php');
class FilterASCII85_FPDI extends FilterASCII85 {
var $fpdi;
function FilterASCII85_FPDI(&$fpdi) {
$this->fpdi =& $fpdi;
}
function error($msg) {
$this->fpdi->error($msg);
}
}

157
include/fpdi/filters/FilterLZW.php Normal file
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@ -0,0 +1,157 @@
<?php
//
// FPDI - Version 1.4.2
//
// Copyright 2004-2011 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.
//
if (!class_exists('FilterLZW', false)) {
class FilterLZW {
var $sTable = array();
var $data = null;
var $dataLength = 0;
var $tIdx;
var $bitsToGet = 9;
var $bytePointer;
var $bitPointer;
var $nextData = 0;
var $nextBits = 0;
var $andTable = array(511, 1023, 2047, 4095);
function error($msg) {
die($msg);
}
/**
* Method to decode LZW compressed data.
*
* @param string data The compressed data.
*/
function decode($data) {
if($data[0] == 0x00 && $data[1] == 0x01) {
$this->error('LZW flavour not supported.');
}
$this->initsTable();
$this->data = $data;
$this->dataLength = strlen($data);
// Initialize pointers
$this->bytePointer = 0;
$this->bitPointer = 0;
$this->nextData = 0;
$this->nextBits = 0;
$oldCode = 0;
$string = '';
$uncompData = '';
while (($code = $this->getNextCode()) != 257) {
if ($code == 256) {
$this->initsTable();
$code = $this->getNextCode();
if ($code == 257) {
break;
}
$uncompData .= $this->sTable[$code];
$oldCode = $code;
} else {
if ($code < $this->tIdx) {
$string = $this->sTable[$code];
$uncompData .= $string;
$this->addStringToTable($this->sTable[$oldCode], $string[0]);
$oldCode = $code;
} else {
$string = $this->sTable[$oldCode];
$string = $string . $string[0];
$uncompData .= $string;
$this->addStringToTable($string);
$oldCode = $code;
}
}
}
return $uncompData;
}
/**
* Initialize the string table.
*/
function initsTable() {
$this->sTable = array();
for ($i = 0; $i < 256; $i++)
$this->sTable[$i] = chr($i);
$this->tIdx = 258;
$this->bitsToGet = 9;
}
/**
* Add a new string to the string table.
*/
function addStringToTable ($oldString, $newString='') {
$string = $oldString.$newString;
// Add this new String to the table
$this->sTable[$this->tIdx++] = $string;
if ($this->tIdx == 511) {
$this->bitsToGet = 10;
} else if ($this->tIdx == 1023) {
$this->bitsToGet = 11;
} else if ($this->tIdx == 2047) {
$this->bitsToGet = 12;
}
}
// Returns the next 9, 10, 11 or 12 bits
function getNextCode() {
if ($this->bytePointer == $this->dataLength) {
return 257;
}
$this->nextData = ($this->nextData << 8) | (ord($this->data[$this->bytePointer++]) & 0xff);
$this->nextBits += 8;
if ($this->nextBits < $this->bitsToGet) {
$this->nextData = ($this->nextData << 8) | (ord($this->data[$this->bytePointer++]) & 0xff);
$this->nextBits += 8;
}
$code = ($this->nextData >> ($this->nextBits - $this->bitsToGet)) & $this->andTable[$this->bitsToGet-9];
$this->nextBits -= $this->bitsToGet;
return $code;
}
function encode($in) {
$this->error("LZW encoding not implemented.");
}
}
}

33
include/fpdi/filters/FilterLZW_FPDI.php Normal file
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@ -0,0 +1,33 @@
<?php
//
// FPDI - Version 1.4.2
//
// Copyright 2004-2011 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('FilterLZW.php');
class FilterLZW_FPDI extends FilterLZW {
var $fpdi;
function FilterLZW_FPDI(&$fpdi) {
$this->fpdi =& $fpdi;
}
function error($msg) {
$this->fpdi->error($msg);
}
}

207
include/fpdi/fpdi.php
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@ -1,8 +1,8 @@
<?php <?php
// //
// FPDI - Version 1.3 // FPDI - Version 1.4.2
// //
// Copyright 2004-2009 Setasign - Jan Slabon // Copyright 2004-2011 Setasign - Jan Slabon
// //
// Licensed under the Apache License, Version 2.0 (the "License"); // Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. // you may not use this file except in compliance with the License.
@ -17,10 +17,10 @@
// limitations under the License. // limitations under the License.
// //
define('FPDI_VERSION','1.3'); define('FPDI_VERSION', '1.4.2');
// Check for TCPDF and remap TCPDF to FPDF // Check for TCPDF and remap TCPDF to FPDF
if (class_exists('TCPDF',false)) { if (class_exists('TCPDF', false)) {
require_once('fpdi2tcpdf_bridge.php'); require_once('fpdi2tcpdf_bridge.php');
} }
@ -71,9 +71,12 @@ class FPDI extends FPDF_TPL {
*/ */
var $lastUsedPageBox; var $lastUsedPageBox;
/**
* Cache for imported pages/template ids
* @var array
*/
var $_importedPages = array(); var $_importedPages = array();
/** /**
* Set a source-file * Set a source-file
* *
@ -82,13 +85,40 @@ class FPDI extends FPDF_TPL {
*/ */
function setSourceFile($filename) { function setSourceFile($filename) {
$this->current_filename = $filename; $this->current_filename = $filename;
$fn =& $this->current_filename;
if (!isset($this->parsers[$fn])) if (!isset($this->parsers[$filename]))
$this->parsers[$fn] = new fpdi_pdf_parser($fn, $this); $this->parsers[$filename] = $this->_getPdfParser($filename);
$this->current_parser =& $this->parsers[$fn]; $this->current_parser =& $this->parsers[$filename];
return $this->parsers[$fn]->getPageCount(); return $this->parsers[$filename]->getPageCount();
}
/**
* Returns a PDF parser object
*
* @param string $filename
* @return fpdi_pdf_parser
*/
function _getPdfParser($filename) {
return new fpdi_pdf_parser($filename, $this);
}
/**
* Get the current PDF version
*
* @return string
*/
function getPDFVersion() {
return $this->PDFVersion;
}
/**
* Set the PDF version
*
* @return string
*/
function setPDFVersion($version = '1.3') {
$this->PDFVersion = $version;
} }
/** /**
@ -97,31 +127,25 @@ class FPDI extends FPDF_TPL {
* @param int $pageno pagenumber * @param int $pageno pagenumber
* @return int Index of imported page - to use with fpdf_tpl::useTemplate() * @return int Index of imported page - to use with fpdf_tpl::useTemplate()
*/ */
function importPage($pageno, $boxName='/CropBox') { function importPage($pageno, $boxName = '/CropBox') {
if ($this->_intpl) { if ($this->_intpl) {
return $this->error('Please import the desired pages before creating a new template.'); return $this->error('Please import the desired pages before creating a new template.');
} }
$fn =& $this->current_filename; $fn = $this->current_filename;
// check if page already imported // check if page already imported
$pageKey = $fn.((int)$pageno).$boxName; $pageKey = $fn . '-' . ((int)$pageno) . $boxName;
if (isset($this->_importedPages[$pageKey])) if (isset($this->_importedPages[$pageKey]))
return $this->_importedPages[$pageKey]; return $this->_importedPages[$pageKey];
$parser =& $this->parsers[$fn]; $parser =& $this->parsers[$fn];
$parser->setPageno($pageno); $parser->setPageno($pageno);
$this->tpl++;
$this->tpls[$this->tpl] = array();
$tpl =& $this->tpls[$this->tpl];
$tpl['parser'] =& $parser;
$tpl['resources'] = $parser->getPageResources();
$tpl['buffer'] = $parser->getContent();
if (!in_array($boxName, $parser->availableBoxes)) if (!in_array($boxName, $parser->availableBoxes))
return $this->Error(sprintf('Unknown box: %s', $boxName)); return $this->Error(sprintf('Unknown box: %s', $boxName));
$pageboxes = $parser->getPageBoxes($pageno);
$pageboxes = $parser->getPageBoxes($pageno, $this->k);
/** /**
* MediaBox * MediaBox
@ -137,20 +161,26 @@ class FPDI extends FPDF_TPL {
if (!isset($pageboxes[$boxName])) if (!isset($pageboxes[$boxName]))
return false; return false;
$this->lastUsedPageBox = $boxName; $this->lastUsedPageBox = $boxName;
$box = $pageboxes[$boxName]; $box = $pageboxes[$boxName];
$this->tpl++;
$this->tpls[$this->tpl] = array();
$tpl =& $this->tpls[$this->tpl];
$tpl['parser'] =& $parser;
$tpl['resources'] = $parser->getPageResources();
$tpl['buffer'] = $parser->getContent();
$tpl['box'] = $box; $tpl['box'] = $box;
// To build an array that can be used by PDF_TPL::useTemplate() // To build an array that can be used by PDF_TPL::useTemplate()
$this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl],$box); $this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl], $box);
// An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects() // An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects()
$tpl['x'] = 0; $tpl['x'] = 0;
$tpl['y'] = 0; $tpl['y'] = 0;
$page =& $parser->pages[$parser->pageno];
// handle rotated pages // handle rotated pages
$rotation = $parser->getPageRotation($pageno); $rotation = $parser->getPageRotation($pageno);
$tpl['_rotationAngle'] = 0; $tpl['_rotationAngle'] = 0;
@ -162,7 +192,10 @@ class FPDI extends FPDF_TPL {
$tpl['w'] = $steps % 2 == 0 ? $_w : $_h; $tpl['w'] = $steps % 2 == 0 ? $_w : $_h;
$tpl['h'] = $steps % 2 == 0 ? $_h : $_w; $tpl['h'] = $steps % 2 == 0 ? $_h : $_w;
$tpl['_rotationAngle'] = $angle*-1; if ($angle < 0)
$angle += 360;
$tpl['_rotationAngle'] = $angle * -1;
} }
$this->_importedPages[$pageKey] = $this->tpl; $this->_importedPages[$pageKey] = $this->tpl;
@ -170,28 +203,54 @@ class FPDI extends FPDF_TPL {
return $this->tpl; return $this->tpl;
} }
/**
* Returns the last used page box
*
* @return string
*/
function getLastUsedPageBox() { function getLastUsedPageBox() {
return $this->lastUsedPageBox; return $this->lastUsedPageBox;
} }
function useTemplate($tplidx, $_x=null, $_y=null, $_w=0, $_h=0, $adjustPageSize=false) {
function useTemplate($tplidx, $_x = null, $_y = null, $_w = 0, $_h = 0, $adjustPageSize = false) {
if ($adjustPageSize == true && is_null($_x) && is_null($_y)) { if ($adjustPageSize == true && is_null($_x) && is_null($_y)) {
$size = $this->getTemplateSize($tplidx, $_w, $_h); $size = $this->getTemplateSize($tplidx, $_w, $_h);
$format = array($size['w'], $size['h']); $orientation = $size['w'] > $size['h'] ? 'L' : 'P';
if ($format[0]!=$this->CurPageFormat[0] || $format[1]!=$this->CurPageFormat[1]) { $size = array($size['w'], $size['h']);
$this->w=$format[0];
$this->h=$format[1]; if (is_subclass_of($this, 'TCPDF')) {
$this->wPt=$this->w*$this->k; $this->setPageFormat($size, $orientation);
$this->hPt=$this->h*$this->k; } else {
$this->PageBreakTrigger=$this->h-$this->bMargin; $size = $this->_getpagesize($size);
$this->CurPageFormat=$format;
$this->PageSizes[$this->page]=array($this->wPt, $this->hPt); if($orientation!=$this->CurOrientation || $size[0]!=$this->CurPageSize[0] || $size[1]!=$this->CurPageSize[1])
{
// New size or orientation
if($orientation=='P')
{
$this->w = $size[0];
$this->h = $size[1];
}
else
{
$this->w = $size[1];
$this->h = $size[0];
}
$this->wPt = $this->w*$this->k;
$this->hPt = $this->h*$this->k;
$this->PageBreakTrigger = $this->h-$this->bMargin;
$this->CurOrientation = $orientation;
$this->CurPageSize = $size;
$this->PageSizes[$this->page] = array($this->wPt, $this->hPt);
}
} }
} }
$this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values $this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values
$s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h); $s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h);
$this->_out('Q'); $this->_out('Q');
return $s; return $s;
} }
@ -204,14 +263,14 @@ class FPDI extends FPDF_TPL {
$this->current_parser =& $this->parsers[$filename]; $this->current_parser =& $this->parsers[$filename];
if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) { if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) {
while(($n = key($this->_obj_stack[$filename])) !== null) { while(($n = key($this->_obj_stack[$filename])) !== null) {
$nObj = $this->current_parser->pdf_resolve_object($this->current_parser->c,$this->_obj_stack[$filename][$n][1]); $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]); $this->_newobj($this->_obj_stack[$filename][$n][0]);
if ($nObj[0] == PDF_TYPE_STREAM) { if ($nObj[0] == PDF_TYPE_STREAM) {
$this->pdf_write_value ($nObj); $this->pdf_write_value($nObj);
} else { } else {
$this->pdf_write_value ($nObj[1]); $this->pdf_write_value($nObj[1]);
} }
$this->_out('endobj'); $this->_out('endobj');
@ -237,15 +296,15 @@ class FPDI extends FPDF_TPL {
$cN = $this->n; // TCPDF/Protection: rem current "n" $cN = $this->n; // TCPDF/Protection: rem current "n"
$this->tpls[$tplidx]['n'] = $this->n; $this->tpls[$tplidx]['n'] = $this->n;
$this->_out('<<'.$filter.'/Type /XObject'); $this->_out('<<' . $filter . '/Type /XObject');
$this->_out('/Subtype /Form'); $this->_out('/Subtype /Form');
$this->_out('/FormType 1'); $this->_out('/FormType 1');
$this->_out(sprintf('/BBox [%.2F %.2F %.2F %.2F]', $this->_out(sprintf('/BBox [%.2F %.2F %.2F %.2F]',
(isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x'])*$this->k, (isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x']) * $this->k,
(isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y'])*$this->k, (isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y']) * $this->k,
(isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x'])*$this->k, (isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x']) * $this->k,
(isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h']-$tpl['y'])*$this->k (isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h'] - $tpl['y']) * $this->k
)); ));
$c = 1; $c = 1;
@ -273,13 +332,13 @@ class FPDI extends FPDF_TPL {
break; break;
case -270: case -270:
$tx = $tpl['box']['ury']; $tx = $tpl['box']['ury'];
$ty = 0; $ty = -$tpl['box']['llx'];
break; break;
} }
} }
} else if ($tpl['x'] != 0 || $tpl['y'] != 0) { } else if ($tpl['x'] != 0 || $tpl['y'] != 0) {
$tx = -$tpl['x']*2; $tx = -$tpl['x'] * 2;
$ty = $tpl['y']*2; $ty = $tpl['y'] * 2;
} }
$tx *= $this->k; $tx *= $this->k;
@ -301,7 +360,7 @@ class FPDI extends FPDF_TPL {
if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) { if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) {
$this->_out('/Font <<'); $this->_out('/Font <<');
foreach($this->_res['tpl'][$tplidx]['fonts'] as $font) foreach($this->_res['tpl'][$tplidx]['fonts'] as $font)
$this->_out('/F'.$font['i'].' '.$font['n'].' 0 R'); $this->_out('/F' . $font['i'] . ' ' . $font['n'] . ' 0 R');
$this->_out('>>'); $this->_out('>>');
} }
if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) || if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) ||
@ -310,11 +369,11 @@ class FPDI extends FPDF_TPL {
$this->_out('/XObject <<'); $this->_out('/XObject <<');
if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) { if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) {
foreach($this->_res['tpl'][$tplidx]['images'] as $image) foreach($this->_res['tpl'][$tplidx]['images'] as $image)
$this->_out('/I'.$image['i'].' '.$image['n'].' 0 R'); $this->_out('/I' . $image['i'] . ' ' . $image['n'] . ' 0 R');
} }
if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) { if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) {
foreach($this->_res['tpl'][$tplidx]['tpls'] as $i => $tpl) foreach($this->_res['tpl'][$tplidx]['tpls'] as $i => $tpl)
$this->_out($this->tplprefix.$i.' '.$tpl['n'].' 0 R'); $this->_out($this->tplprefix . $i . ' ' . $tpl['n'] . ' 0 R');
} }
$this->_out('>>'); $this->_out('>>');
} }
@ -323,8 +382,14 @@ class FPDI extends FPDF_TPL {
$nN = $this->n; // TCPDF: rem new "n" $nN = $this->n; // TCPDF: rem new "n"
$this->n = $cN; // TCPDF: reset to current "n" $this->n = $cN; // TCPDF: reset to current "n"
$this->_out('/Length '.strlen($p).' >>'); if (is_subclass_of($this, 'TCPDF')) {
$p = $this->_getrawstream($p);
$this->_out('/Length ' . strlen($p) . ' >>');
$this->_out("stream\n" . $p . "\nendstream");
} else {
$this->_out('/Length ' . strlen($p) . ' >>');
$this->_putstream($p); $this->_putstream($p);
}
$this->_out('endobj'); $this->_out('endobj');
$this->n = $nN; // TCPDF: reset to new "n" $this->n = $nN; // TCPDF: reset to new "n"
} }
@ -335,7 +400,7 @@ class FPDI extends FPDF_TPL {
/** /**
* Rewritten to handle existing own defined objects * Rewritten to handle existing own defined objects
*/ */
function _newobj($obj_id=false,$onlynewobj=false) { function _newobj($obj_id = false, $onlynewobj = false) {
if (!$obj_id) { if (!$obj_id) {
$obj_id = ++$this->n; $obj_id = ++$this->n;
} }
@ -343,9 +408,11 @@ class FPDI extends FPDF_TPL {
//Begin a new object //Begin a new object
if (!$onlynewobj) { if (!$onlynewobj) {
$this->offsets[$obj_id] = is_subclass_of($this, 'TCPDF') ? $this->bufferlen : strlen($this->buffer); $this->offsets[$obj_id] = is_subclass_of($this, 'TCPDF') ? $this->bufferlen : strlen($this->buffer);
$this->_out($obj_id.' 0 obj'); $this->_out($obj_id . ' 0 obj');
$this->_current_obj_id = $obj_id; // for later use with encryption $this->_current_obj_id = $obj_id; // for later use with encryption
} }
return $obj_id;
} }
/** /**
@ -362,19 +429,19 @@ class FPDI extends FPDF_TPL {
switch ($value[0]) { switch ($value[0]) {
case PDF_TYPE_TOKEN : case PDF_TYPE_TOKEN:
$this->_straightOut($value[1] . ' '); $this->_straightOut($value[1] . ' ');
break; break;
case PDF_TYPE_NUMERIC : case PDF_TYPE_NUMERIC:
case PDF_TYPE_REAL : case PDF_TYPE_REAL:
if (is_float($value[1]) && $value[1] != 0) { if (is_float($value[1]) && $value[1] != 0) {
$this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') .' '); $this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') . ' ');
} else { } else {
$this->_straightOut($value[1] . ' '); $this->_straightOut($value[1] . ' ');
} }
break; break;
case PDF_TYPE_ARRAY : case PDF_TYPE_ARRAY:
// An array. Output the proper // An array. Output the proper
// structure and move on. // structure and move on.
@ -387,7 +454,7 @@ class FPDI extends FPDF_TPL {
$this->_out(']'); $this->_out(']');
break; break;
case PDF_TYPE_DICTIONARY : case PDF_TYPE_DICTIONARY:
// A dictionary. // A dictionary.
$this->_straightOut('<<'); $this->_straightOut('<<');
@ -402,30 +469,30 @@ class FPDI extends FPDF_TPL {
$this->_straightOut('>>'); $this->_straightOut('>>');
break; break;
case PDF_TYPE_OBJREF : case PDF_TYPE_OBJREF:
// An indirect object reference // An indirect object reference
// Fill the object stack if needed // Fill the object stack if needed
$cpfn =& $this->current_parser->filename; $cpfn =& $this->current_parser->filename;
if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) { if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) {
$this->_newobj(false,true); $this->_newobj(false, true);
$this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value); $this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value);
$this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!! $this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!!
} }
$objid = $this->_don_obj_stack[$cpfn][$value[1]][0]; $objid = $this->_don_obj_stack[$cpfn][$value[1]][0];
$this->_out($objid.' 0 R'); $this->_out($objid . ' 0 R');
break; break;
case PDF_TYPE_STRING : case PDF_TYPE_STRING:
// A string. // A string.
$this->_straightOut('('.$value[1].')'); $this->_straightOut('(' . $value[1] . ')');
break; break;
case PDF_TYPE_STREAM : case PDF_TYPE_STREAM:
// A stream. First, output the // A stream. First, output the
// stream dictionary, then the // stream dictionary, then the
@ -435,15 +502,16 @@ class FPDI extends FPDF_TPL {
$this->_out($value[2][1]); $this->_out($value[2][1]);
$this->_out('endstream'); $this->_out('endstream');
break; break;
case PDF_TYPE_HEX :
$this->_straightOut('<'.$value[1].'>'); case PDF_TYPE_HEX:
$this->_straightOut('<' . $value[1] . '>');
break; break;
case PDF_TYPE_BOOLEAN : case PDF_TYPE_BOOLEAN:
$this->_straightOut($value[1] ? 'true ' : 'false '); $this->_straightOut($value[1] ? 'true ' : 'false ');
break; break;
case PDF_TYPE_NULL : case PDF_TYPE_NULL:
// The null object. // The null object.
$this->_straightOut('null '); $this->_straightOut('null ');
@ -467,7 +535,7 @@ class FPDI extends FPDF_TPL {
// puts data before page footer // puts data before page footer
$page = substr($this->getPageBuffer($this->page), 0, -$this->footerlen[$this->page]); $page = substr($this->getPageBuffer($this->page), 0, -$this->footerlen[$this->page]);
$footer = substr($this->getPageBuffer($this->page), -$this->footerlen[$this->page]); $footer = substr($this->getPageBuffer($this->page), -$this->footerlen[$this->page]);
$this->setPageBuffer($this->page, $page.' '.$s."\n".$footer); $this->setPageBuffer($this->page, $page . ' ' . $s . "\n" . $footer);
} else { } else {
$this->setPageBuffer($this->page, $s, true); $this->setPageBuffer($this->page, $s, true);
} }
@ -500,5 +568,4 @@ class FPDI extends FPDF_TPL {
} }
return false; return false;
} }
} }

48
include/fpdi/fpdi2tcpdf_bridge.php
View File

@ -1,8 +1,8 @@
<?php <?php
// //
// FPDI - Version 1.3 // FPDI - Version 1.4.2
// //
// Copyright 2004-2009 Setasign - Jan Slabon // Copyright 2004-2011 Setasign - Jan Slabon
// //
// Licensed under the Apache License, Version 2.0 (the "License"); // Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. // you may not use this file except in compliance with the License.
@ -28,27 +28,19 @@
*/ */
class FPDF extends TCPDF { class FPDF extends TCPDF {
function __get($name) { function _putstream($s) {
switch ($name) { $this->_out($this->_getstream($s));
case 'PDFVersion': }
return $this->PDFVersion;
case 'k': function _getxobjectdict() {
return $this->k; $out = parent::_getxobjectdict();
default: if (count($this->tpls)) {
// Error handling foreach($this->tpls as $tplidx => $tpl) {
$this->Error('Cannot access protected property '.get_class($this).':$'.$name.' / Undefined property: '.get_class($this).'::$'.$name); $out .= sprintf('%s%d %d 0 R', $this->tplprefix, $tplidx, $tpl['n']);
} }
} }
function __set($name, $value) { return $out;
switch ($name) {
case 'PDFVersion':
$this->PDFVersion = $value;
break;
default:
// Error handling
$this->Error('Cannot access protected property '.get_class($this).':$'.$name.' / Undefined property: '.get_class($this).'::$'.$name);
}
} }
/** /**
@ -58,24 +50,28 @@ class FPDF extends TCPDF {
*/ */
function pdf_write_value(&$value) { function pdf_write_value(&$value) {
switch ($value[0]) { switch ($value[0]) {
case PDF_TYPE_STRING : case PDF_TYPE_STRING:
if ($this->encrypted) { if ($this->encrypted) {
$value[1] = $this->_unescape($value[1]); $value[1] = $this->_unescape($value[1]);
$value[1] = $this->_RC4($this->_objectkey($this->_current_obj_id), $value[1]); $value[1] = $this->_encrypt_data($this->_current_obj_id, $value[1]);
$value[1] = $this->_escape($value[1]); $value[1] = $this->_escape($value[1]);
} }
break; break;
case PDF_TYPE_STREAM : case PDF_TYPE_STREAM:
if ($this->encrypted) { if ($this->encrypted) {
$value[2][1] = $this->_RC4($this->_objectkey($this->_current_obj_id), $value[2][1]); $value[2][1] = $this->_encrypt_data($this->_current_obj_id, $value[2][1]);
$value[1][1]['/Length'] = array(
PDF_TYPE_NUMERIC,
strlen($value[2][1])
);
} }
break; break;
case PDF_TYPE_HEX : case PDF_TYPE_HEX:
if ($this->encrypted) { if ($this->encrypted) {
$value[1] = $this->hex2str($value[1]); $value[1] = $this->hex2str($value[1]);
$value[1] = $this->_RC4($this->_objectkey($this->_current_obj_id), $value[1]); $value[1] = $this->_encrypt_data($this->_current_obj_id, $value[1]);
// remake hexstring of encrypted string // remake hexstring of encrypted string
$value[1] = $this->str2hex($value[1]); $value[1] = $this->str2hex($value[1]);

114
include/fpdi/fpdi_pdf_parser.php
View File

@ -1,8 +1,8 @@
<?php <?php
// //
// FPDI - Version 1.3 // FPDI - Version 1.4.2
// //
// Copyright 2004-2009 Setasign - Jan Slabon // Copyright 2004-2011 Setasign - Jan Slabon
// //
// Licensed under the Apache License, Version 2.0 (the "License"); // Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. // you may not use this file except in compliance with the License.
@ -167,7 +167,7 @@ class fpdi_pdf_parser extends pdf_parser {
if (isset($this->pages[$this->pageno][1][1]['/Contents'])) { if (isset($this->pages[$this->pageno][1][1]['/Contents'])) {
$contents = $this->_getPageContent($this->pages[$this->pageno][1][1]['/Contents']); $contents = $this->_getPageContent($this->pages[$this->pageno][1][1]['/Contents']);
foreach($contents AS $tmp_content) { foreach($contents AS $tmp_content) {
$buffer .= $this->_rebuildContentStream($tmp_content).' '; $buffer .= $this->_rebuildContentStream($tmp_content) . ' ';
} }
} }
@ -213,6 +213,11 @@ class fpdi_pdf_parser extends pdf_parser {
if (isset($obj[1][1]['/Filter'])) { if (isset($obj[1][1]['/Filter'])) {
$_filter = $obj[1][1]['/Filter']; $_filter = $obj[1][1]['/Filter'];
if ($_filter[0] == PDF_TYPE_OBJREF) {
$tmpFilter = $this->pdf_resolve_object($this->c, $_filter);
$_filter = $tmpFilter[1];
}
if ($_filter[0] == PDF_TYPE_TOKEN) { if ($_filter[0] == PDF_TYPE_TOKEN) {
$filters[] = $_filter; $filters[] = $_filter;
} else if ($_filter[0] == PDF_TYPE_ARRAY) { } else if ($_filter[0] == PDF_TYPE_ARRAY) {
@ -225,30 +230,35 @@ class fpdi_pdf_parser extends pdf_parser {
foreach ($filters AS $_filter) { foreach ($filters AS $_filter) {
switch ($_filter[1]) { switch ($_filter[1]) {
case '/FlateDecode': case '/FlateDecode':
case '/Fl':
// $stream .= "\x0F\x0D"; // in an errorious stream this suffix could work
// $stream .= "\x0A";
// $stream .= "\x0D";
if (function_exists('gzuncompress')) { if (function_exists('gzuncompress')) {
$stream = (strlen($stream) > 0) ? @gzuncompress($stream) : ''; $stream = (strlen($stream) > 0) ? @gzuncompress($stream) : '';
} else { } else {
$this->fpdi->error(sprintf('To handle %s filter, please compile php with zlib support.',$_filter[1])); $this->error(sprintf('To handle %s filter, please compile php with zlib support.',$_filter[1]));
} }
if ($stream === false) { if ($stream === false) {
$this->fpdi->error('Error while decompressing stream.'); $this->error('Error while decompressing stream.');
} }
break; break;
case '/LZWDecode':
include_once('filters/FilterLZW_FPDI.php');
$decoder = new FilterLZW_FPDI($this->fpdi);
$stream = $decoder->decode($stream);
break;
case '/ASCII85Decode':
include_once('filters/FilterASCII85_FPDI.php');
$decoder = new FilterASCII85_FPDI($this->fpdi);
$stream = $decoder->decode($stream);
break;
case null: case null:
$stream = $stream; $stream = $stream;
break; break;
default: default:
if (preg_match('/^\/[a-z85]*$/i', $_filter[1], $filterName) && @include_once('decoders'.$_filter[1].'.php')) { $this->error(sprintf('Unsupported Filter: %s',$_filter[1]));
$filterName = substr($_filter[1],1);
if (class_exists($filterName)) {
$decoder = new $filterName($this->fpdi);
$stream = $decoder->decode($stream);
} else {
$this->fpdi->error(sprintf('Unsupported Filter: %s',$_filter[1]));
}
} else {
$this->fpdi->error(sprintf('Unsupported Filter: %s',$_filter[1]));
}
} }
} }
@ -262,52 +272,60 @@ class fpdi_pdf_parser extends pdf_parser {
* *
* @param array $page a /Page * @param array $page a /Page
* @param string $box_index Type of Box @see $availableBoxes * @param string $box_index Type of Box @see $availableBoxes
* @param float Scale factor from user space units to points
* @return array * @return array
*/ */
function getPageBox($page, $box_index) { function getPageBox($page, $box_index, $k) {
$page = $this->pdf_resolve_object($this->c,$page); $page = $this->pdf_resolve_object($this->c, $page);
$box = null; $box = null;
if (isset($page[1][1][$box_index])) if (isset($page[1][1][$box_index]))
$box =& $page[1][1][$box_index]; $box =& $page[1][1][$box_index];
if (!is_null($box) && $box[0] == PDF_TYPE_OBJREF) { if (!is_null($box) && $box[0] == PDF_TYPE_OBJREF) {
$tmp_box = $this->pdf_resolve_object($this->c,$box); $tmp_box = $this->pdf_resolve_object($this->c, $box);
$box = $tmp_box[1]; $box = $tmp_box[1];
} }
if (!is_null($box) && $box[0] == PDF_TYPE_ARRAY) { if (!is_null($box) && $box[0] == PDF_TYPE_ARRAY) {
$b =& $box[1]; $b =& $box[1];
return array('x' => $b[0][1]/$this->fpdi->k, return array('x' => $b[0][1] / $k,
'y' => $b[1][1]/$this->fpdi->k, 'y' => $b[1][1] / $k,
'w' => abs($b[0][1]-$b[2][1])/$this->fpdi->k, 'w' => abs($b[0][1] - $b[2][1]) / $k,
'h' => abs($b[1][1]-$b[3][1])/$this->fpdi->k, 'h' => abs($b[1][1] - $b[3][1]) / $k,
'llx' => $b[0][1]/$this->fpdi->k, 'llx' => min($b[0][1], $b[2][1]) / $k,
'lly' => $b[1][1]/$this->fpdi->k, 'lly' => min($b[1][1], $b[3][1]) / $k,
'urx' => $b[2][1]/$this->fpdi->k, 'urx' => max($b[0][1], $b[2][1]) / $k,
'ury' => $b[3][1]/$this->fpdi->k, 'ury' => max($b[1][1], $b[3][1]) / $k,
); );
} else if (!isset ($page[1][1]['/Parent'])) { } else if (!isset ($page[1][1]['/Parent'])) {
return false; return false;
} else { } else {
return $this->getPageBox($this->pdf_resolve_object($this->c, $page[1][1]['/Parent']), $box_index); return $this->getPageBox($this->pdf_resolve_object($this->c, $page[1][1]['/Parent']), $box_index, $k);
} }
} }
function getPageBoxes($pageno) {
return $this->_getPageBoxes($this->pages[$pageno-1]);
}
/** /**
* Get all Boxes from /Page * Get all page boxes by page no
*
* @param int The page number
* @param float Scale factor from user space units to points
* @return array
*/
function getPageBoxes($pageno, $k) {
return $this->_getPageBoxes($this->pages[$pageno - 1], $k);
}
/**
* Get all boxes from /Page
* *
* @param array a /Page * @param array a /Page
* @return array * @return array
*/ */
function _getPageBoxes($page) { function _getPageBoxes($page, $k) {
$boxes = array(); $boxes = array();
foreach($this->availableBoxes AS $box) { foreach($this->availableBoxes AS $box) {
if ($_box = $this->getPageBox($page,$box)) { if ($_box = $this->getPageBox($page, $box, $k)) {
$boxes[$box] = $_box; $boxes[$box] = $_box;
} }
} }
@ -322,10 +340,10 @@ class fpdi_pdf_parser extends pdf_parser {
* @return array * @return array
*/ */
function getPageRotation($pageno) { function getPageRotation($pageno) {
return $this->_getPageRotation($this->pages[$pageno-1]); return $this->_getPageRotation($this->pages[$pageno - 1]);
} }
function _getPageRotation ($obj) { // $obj = /Page function _getPageRotation($obj) { // $obj = /Page
$obj = $this->pdf_resolve_object($this->c, $obj); $obj = $this->pdf_resolve_object($this->c, $obj);
if (isset ($obj[1][1]['/Rotate'])) { if (isset ($obj[1][1]['/Rotate'])) {
$res = $this->pdf_resolve_object($this->c, $obj[1][1]['/Rotate']); $res = $this->pdf_resolve_object($this->c, $obj[1][1]['/Rotate']);
@ -351,18 +369,25 @@ class fpdi_pdf_parser extends pdf_parser {
* @param array /Pages * @param array /Pages
* @param array the result-array * @param array the result-array
*/ */
function read_pages (&$c, &$pages, &$result) { function read_pages(&$c, &$pages, &$result) {
// Get the kids dictionary // Get the kids dictionary
$kids = $this->pdf_resolve_object ($c, $pages[1][1]['/Kids']); $_kids = $this->pdf_resolve_object ($c, $pages[1][1]['/Kids']);
if (!is_array($kids)) if (!is_array($_kids))
$this->fpdi->Error('Cannot find /Kids in current /Page-Dictionary'); $this->error('Cannot find /Kids in current /Page-Dictionary');
foreach ($kids[1] as $v) {
if ($_kids[1][0] == PDF_TYPE_ARRAY) {
$kids = $_kids[1][1];
} else {
$kids = $_kids[1];
}
foreach ($kids as $v) {
$pg = $this->pdf_resolve_object ($c, $v); $pg = $this->pdf_resolve_object ($c, $v);
if ($pg[1][1]['/Type'][1] === '/Pages') { if ($pg[1][1]['/Type'][1] === '/Pages') {
// If one of the kids is an embedded // If one of the kids is an embedded
// /Pages array, resolve it as well. // /Pages array, resolve it as well.
$this->read_pages ($c, $pg, $result); $this->read_pages($c, $pg, $result);
} else { } else {
$result[] = $pg; $result[] = $pg;
} }
@ -378,7 +403,6 @@ class fpdi_pdf_parser extends pdf_parser {
*/ */
function getPDFVersion() { function getPDFVersion() {
parent::getPDFVersion(); parent::getPDFVersion();
$this->fpdi->PDFVersion = max($this->fpdi->PDFVersion, $this->pdfVersion); $this->fpdi->setPDFVersion(max($this->fpdi->getPDFVersion(), $this->pdfVersion));
} }
} }

17
include/fpdi/pdf_context.php
View File

@ -1,8 +1,8 @@
<?php <?php
// //
// FPDI - Version 1.3 // FPDI - Version 1.4.2
// //
// Copyright 2004-2009 Setasign - Jan Slabon // Copyright 2004-2011 Setasign - Jan Slabon
// //
// Licensed under the Apache License, Version 2.0 (the "License"); // Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. // you may not use this file except in compliance with the License.
@ -17,7 +17,9 @@
// limitations under the License. // limitations under the License.
// //
class pdf_context { if (!class_exists('pdf_context', false)) {
class pdf_context {
/** /**
* Modi * Modi
@ -80,13 +82,17 @@ class pdf_context {
// Forcefully read more data into the buffer // Forcefully read more data into the buffer
function increase_length($l=100) { function increase_length($l = 100) {
if ($this->_mode == 0 && feof($this->file)) { if ($this->_mode == 0 && feof($this->file)) {
return false; return false;
} else if ($this->_mode == 0) { } else if ($this->_mode == 0) {
$totalLength = $this->length + $l; $totalLength = $this->length + $l;
do { do {
$this->buffer .= fread($this->file, $totalLength-$this->length); $toRead = $totalLength - $this->length;
if ($toRead < 1)
break;
$this->buffer .= fread($this->file, $toRead);
} while ((($this->length = strlen($this->buffer)) != $totalLength) && !feof($this->file)); } while ((($this->length = strlen($this->buffer)) != $totalLength) && !feof($this->file));
return true; return true;
@ -94,4 +100,5 @@ class pdf_context {
return false; return false;
} }
} }
}
} }

91
include/fpdi/pdf_parser.php
View File

@ -1,8 +1,8 @@
<?php <?php
// //
// FPDI - Version 1.3 // FPDI - Version 1.4.2
// //
// Copyright 2004-2009 Setasign - Jan Slabon // Copyright 2004-2011 Setasign - Jan Slabon
// //
// Licensed under the Apache License, Version 2.0 (the "License"); // Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. // you may not use this file except in compliance with the License.
@ -46,7 +46,9 @@ if (!defined ('PDF_TYPE_REAL'))
require_once('pdf_context.php'); require_once('pdf_context.php');
class pdf_parser { if (!class_exists('pdf_parser', false)) {
class pdf_parser {
/** /**
* Filename * Filename
@ -84,6 +86,13 @@ class pdf_parser {
*/ */
var $pdfVersion; var $pdfVersion;
/**
* For reading encrypted documents and xref/objectstreams are in use
*
* @var boolean
*/
var $readPlain = true;
/** /**
* Constructor * Constructor
* *
@ -102,6 +111,7 @@ class pdf_parser {
$this->c = new pdf_context($this->f); $this->c = new pdf_context($this->f);
// Read xref-Data // Read xref-Data
$this->xref = array();
$this->pdf_read_xref($this->xref, $this->pdf_find_xref()); $this->pdf_read_xref($this->xref, $this->pdf_find_xref());
// Check for Encryption // Check for Encryption
@ -115,7 +125,7 @@ class pdf_parser {
* Close the opened file * Close the opened file
*/ */
function closeFile() { function closeFile() {
if (isset($this->f)) { if (isset($this->f) && is_resource($this->f)) {
fclose($this->f); fclose($this->f);
unset($this->f); unset($this->f);
} }
@ -127,7 +137,7 @@ class pdf_parser {
* @param string $msg Error-Message * @param string $msg Error-Message
*/ */
function error($msg) { function error($msg) {
die('<b>PDF-Parser Error:</b> '.$msg); die('<b>PDF-Parser Error:</b> ' . $msg);
} }
/** /**
@ -148,6 +158,7 @@ class pdf_parser {
if ($this->xref['trailer'][1]['/Root'][0] != PDF_TYPE_OBJREF) { if ($this->xref['trailer'][1]['/Root'][0] != PDF_TYPE_OBJREF) {
$this->error('Wrong Type of Root-Element! Must be an indirect reference'); $this->error('Wrong Type of Root-Element! Must be an indirect reference');
} }
return $this->xref['trailer'][1]['/Root']; return $this->xref['trailer'][1]['/Root'];
} }
@ -166,7 +177,7 @@ class pdf_parser {
*/ */
function getPDFVersion() { function getPDFVersion() {
fseek($this->f, 0); fseek($this->f, 0);
preg_match('/\d\.\d/',fread($this->f,16),$m); preg_match('/\d\.\d/',fread($this->f, 16), $m);
if (isset($m[0])) if (isset($m[0]))
$this->pdfVersion = $m[0]; $this->pdfVersion = $m[0];
return $this->pdfVersion; return $this->pdfVersion;
@ -201,29 +212,37 @@ class pdf_parser {
* @param integer $offset of xref-table * @param integer $offset of xref-table
*/ */
function pdf_read_xref(&$result, $offset) { function pdf_read_xref(&$result, $offset) {
$o_pos = $offset-min(20, $offset);
fseek($this->f, $o_pos = $offset-20); // set some bytes backwards to fetch errorious docs fseek($this->f, $o_pos); // set some bytes backwards to fetch errorious docs
$data = fread($this->f, 100); $data = fread($this->f, 100);
$xrefPos = strpos($data, 'xref'); $xrefPos = strrpos($data, 'xref');
if ($xrefPos === false) { if ($xrefPos === false) {
fseek($this->f, $offset);
$c = new pdf_context($this->f);
$xrefStreamObjDec = $this->pdf_read_value($c);
if (is_array($xrefStreamObjDec) && isset($xrefStreamObjDec[0]) && $xrefStreamObjDec[0] == PDF_TYPE_OBJDEC) {
$this->error(sprintf('This document (%s) probably uses a compression technique which is not supported by the free parser shipped with FPDI.', $this->filename));
} else {
$this->error('Unable to find xref table.'); $this->error('Unable to find xref table.');
} }
}
if (!isset($result['xref_location'])) { if (!isset($result['xref_location'])) {
$result['xref_location'] = $o_pos+$xrefPos; $result['xref_location'] = $o_pos + $xrefPos;
$result['max_object'] = 0; $result['max_object'] = 0;
} }
$cylces = -1; $cylces = -1;
$bytesPerCycle = 100; $bytesPerCycle = 100;
fseek($this->f, $o_pos = $o_pos+$xrefPos+4); // set the handle directly after the "xref"-keyword fseek($this->f, $o_pos = $o_pos + $xrefPos + 4); // set the handle directly after the "xref"-keyword
$data = fread($this->f, $bytesPerCycle); $data = fread($this->f, $bytesPerCycle);
while (($trailerPos = strpos($data, 'trailer', max($bytesPerCycle*$cylces++, 0))) === false && !feof($this->f)) { while (($trailerPos = strpos($data, 'trailer', max($bytesPerCycle * $cylces++, 0))) === false && !feof($this->f)) {
$data .= fread($this->f, $bytesPerCycle); $data .= fread($this->f, $bytesPerCycle);
} }
@ -258,7 +277,7 @@ class pdf_parser {
switch($c) { switch($c) {
case 2: case 2:
$start = (int)$pieces[0]; $start = (int)$pieces[0];
$end = $start+(int)$pieces[1]; $end = $start + (int)$pieces[1];
if ($end > $result['max_object']) if ($end > $result['max_object'])
$result['max_object'] = $end; $result['max_object'] = $end;
break; break;
@ -280,7 +299,7 @@ class pdf_parser {
$lines = $pieces = $line = $start = $end = $gen = null; $lines = $pieces = $line = $start = $end = $gen = null;
unset($lines, $pieces, $line, $start, $end, $gen); unset($lines, $pieces, $line, $start, $end, $gen);
fseek($this->f, $o_pos+$trailerPos+7); fseek($this->f, $o_pos + $trailerPos + 7);
$c = new pdf_context($this->f); $c = new pdf_context($this->f);
$trailer = $this->pdf_read_value($c); $trailer = $this->pdf_read_value($c);
@ -420,7 +439,6 @@ class pdf_parser {
return array (PDF_TYPE_STRING, $result); return array (PDF_TYPE_STRING, $result);
case 'stream': case 'stream':
$o_pos = ftell($c->file)-strlen($c->buffer); $o_pos = ftell($c->file)-strlen($c->buffer);
$o_offset = $c->offset; $o_offset = $c->offset;
@ -435,19 +453,19 @@ class pdf_parser {
if ($this->actual_obj[1][1]['/Length'][0] == PDF_TYPE_OBJREF) { if ($this->actual_obj[1][1]['/Length'][0] == PDF_TYPE_OBJREF) {
$tmp_c = new pdf_context($this->f); $tmp_c = new pdf_context($this->f);
$tmp_length = $this->pdf_resolve_object($tmp_c,$this->actual_obj[1][1]['/Length']); $tmp_length = $this->pdf_resolve_object($tmp_c, $this->actual_obj[1][1]['/Length']);
$length = $tmp_length[1][1]; $length = $tmp_length[1][1];
} else { } else {
$length = $this->actual_obj[1][1]['/Length'][1]; $length = $this->actual_obj[1][1]['/Length'][1];
} }
if ($length > 0) { if ($length > 0) {
$c->reset($startpos+$e,$length); $c->reset($startpos + $e,$length);
$v = $c->buffer; $v = $c->buffer;
} else { } else {
$v = ''; $v = '';
} }
$c->reset($startpos+$e+$length+9); // 9 = strlen("endstream") $c->reset($startpos + $e + $length + 9); // 9 = strlen("endstream")
return array(PDF_TYPE_STREAM, $v); return array(PDF_TYPE_STREAM, $v);
@ -465,9 +483,9 @@ class pdf_parser {
// Determine the case and return the data // Determine the case and return the data
if (($tok3 = $this->pdf_read_token ($c)) !== false) { if (($tok3 = $this->pdf_read_token ($c)) !== false) {
switch ($tok3) { switch ($tok3) {
case 'obj' : case 'obj':
return array (PDF_TYPE_OBJDEC, (int) $token, (int) $tok2); return array (PDF_TYPE_OBJDEC, (int) $token, (int) $tok2);
case 'R' : case 'R':
return array (PDF_TYPE_OBJREF, (int) $token, (int) $tok2); return array (PDF_TYPE_OBJREF, (int) $token, (int) $tok2);
} }
// If we get to this point, that numeric value up // If we get to this point, that numeric value up
@ -489,11 +507,9 @@ class pdf_parser {
} else if ($token == 'null') { } else if ($token == 'null') {
return array (PDF_TYPE_NULL); return array (PDF_TYPE_NULL);
} else { } else {
// Just a token. Return it. // Just a token. Return it.
return array (PDF_TYPE_TOKEN, $token); return array (PDF_TYPE_TOKEN, $token);
} }
} }
} }
@ -507,7 +523,8 @@ class pdf_parser {
function pdf_resolve_object(&$c, $obj_spec, $encapsulate = true) { function pdf_resolve_object(&$c, $obj_spec, $encapsulate = true) {
// Exit if we get invalid data // Exit if we get invalid data
if (!is_array($obj_spec)) { if (!is_array($obj_spec)) {
return false; $ret = false;
return $ret;
} }
if ($obj_spec[0] == PDF_TYPE_OBJREF) { if ($obj_spec[0] == PDF_TYPE_OBJREF) {
@ -531,12 +548,20 @@ class pdf_parser {
$header = $this->pdf_read_value($c); $header = $this->pdf_read_value($c);
if ($header[0] != PDF_TYPE_OBJDEC || $header[1] != $obj_spec[1] || $header[2] != $obj_spec[2]) { if ($header[0] != PDF_TYPE_OBJDEC || $header[1] != $obj_spec[1] || $header[2] != $obj_spec[2]) {
$toSearchFor = $obj_spec[1] . ' ' . $obj_spec[2] . ' obj';
if (preg_match('/' . $toSearchFor . '/', $c->buffer)) {
$c->offset = strpos($c->buffer, $toSearchFor) + strlen($toSearchFor);
// reset stack
$c->stack = array();
} else {
$this->error("Unable to find object ({$obj_spec[1]}, {$obj_spec[2]}) at expected location"); $this->error("Unable to find object ({$obj_spec[1]}, {$obj_spec[2]}) at expected location");
} }
}
// If we're being asked to store all the information // If we're being asked to store all the information
// about the object, we add the object ID and generation // about the object, we add the object ID and generation
// number for later use // number for later use
$result = array();
$this->actual_obj =& $result; $this->actual_obj =& $result;
if ($encapsulate) { if ($encapsulate) {
$result = array ( $result = array (
@ -544,8 +569,6 @@ class pdf_parser {
'obj' => $obj_spec[1], 'obj' => $obj_spec[1],
'gen' => $obj_spec[2] 'gen' => $obj_spec[2]
); );
} else {
$result = array();
} }
// Now simply read the object data until // Now simply read the object data until
@ -610,18 +633,18 @@ class pdf_parser {
switch ($char) { switch ($char) {
case '[' : case '[':
case ']' : case ']':
case '(' : case '(':
case ')' : case ')':
// This is either an array or literal string // This is either an array or literal string
// delimiter, Return it // delimiter, Return it
return $char; return $char;
case '<' : case '<':
case '>' : case '>':
// This could either be a hex string or // This could either be a hex string or
// dictionary delimiter. Determine the // dictionary delimiter. Determine the
@ -637,7 +660,7 @@ class pdf_parser {
return $char; return $char;
} }
case '%' : case '%':
// This is a comment - jump over it! // This is a comment - jump over it!
@ -657,7 +680,7 @@ class pdf_parser {
return $this->pdf_read_token($c); return $this->pdf_read_token($c);
} }
default : default:
// This is "another" type of token (probably // This is "another" type of token (probably
// a dictionary entry or a numeric value) // a dictionary entry or a numeric value)
@ -672,6 +695,7 @@ class pdf_parser {
// Determine the length of the token // Determine the length of the token
$pos = strcspn($c->buffer, " %[]<>()\r\n\t/", $c->offset); $pos = strcspn($c->buffer, " %[]<>()\r\n\t/", $c->offset);
if ($c->offset + $pos <= $c->length - 1) { if ($c->offset + $pos <= $c->length - 1) {
break; break;
} else { } else {
@ -691,4 +715,5 @@ class pdf_parser {
return $result; return $result;
} }
} }
}
} }