<?php
//
// FPDI - Version 1.4
//
// Copyright 2004-2010 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('FPDI_VERSION', '1.4');
// Check for TCPDF and remap TCPDF to FPDF
if (class_exists('TCPDF', false)) {
require_once('fpdi2tcpdf_bridge.php');
}
require_once('fpdf_tpl.php');
require_once('fpdi_pdf_parser.php');
class FPDI extends FPDF_TPL
{
/**
* Actual filename
* @var string
*/
public $current_filename;
/**
* Parser-Objects
* @var array
*/
public $parsers;
/**
* Current parser
* @var object
*/
public $current_parser;
/**
* object stack
* @var array
*/
public $_obj_stack;
/**
* done object stack
* @var array
*/
public $_don_obj_stack;
/**
* Current Object Id.
* @var integer
*/
public $_current_obj_id;
/**
* The name of the last imported page box
* @var string
*/
public $lastUsedPageBox;
/**
* Cache for imported pages/template ids
* @var array
*/
public $_importedPages = array();
/**
* Set a source-file
*
* @param string $filename a valid filename
* @return int number of available pages
*/
public function setSourceFile($filename)
{
$this->current_filename = $filename;
if (!isset($this->parsers[$filename])) {
$this->parsers[$filename] = $this->_getPdfParser($filename);
}
$this->current_parser =& $this->parsers[$filename];
return $this->parsers[$filename]->getPageCount();
}
/**
* Returns a PDF parser object
*
* @param string $filename
* @return fpdi_pdf_parser
*/
public function _getPdfParser($filename)
{
return new fpdi_pdf_parser($filename, $this);
}
/**
* Get the current PDF version
*
* @return string
*/
public function getPDFVersion()
{
return $this->PDFVersion;
}
/**
* Set the PDF version
*
* @return string
*/
public function setPDFVersion($version = '1.3')
{
$this->PDFVersion = $version;
}
/**
* Import a page
*
* @param int $pageno pagenumber
* @return int Index of imported page - to use with fpdf_tpl::useTemplate()
*/
public function importPage($pageno, $boxName = '/CropBox')
{
if ($this->_intpl) {
return $this->error('Please import the desired pages before creating a new template.');
}
$fn = $this->current_filename;
// check if page already imported
$pageKey = $fn . ((int)$pageno) . $boxName;
if (isset($this->_importedPages[$pageKey])) {
return $this->_importedPages[$pageKey];
}
$parser =& $this->parsers[$fn];
$parser->setPageno($pageno);
if (!in_array($boxName, $parser->availableBoxes)) {
return $this->Error(sprintf('Unknown box: %s', $boxName));
}
$pageboxes = $parser->getPageBoxes($pageno, $this->k);
/**
* MediaBox
* CropBox: Default -> MediaBox
* BleedBox: Default -> CropBox
* TrimBox: Default -> CropBox
* ArtBox: Default -> CropBox
*/
if (!isset($pageboxes[$boxName]) && ($boxName == '/BleedBox' || $boxName == '/TrimBox' || $boxName == '/ArtBox')) {
$boxName = '/CropBox';
}
if (!isset($pageboxes[$boxName]) && $boxName == '/CropBox') {
$boxName = '/MediaBox';
}
if (!isset($pageboxes[$boxName])) {
return false;
}
$this->lastUsedPageBox = $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;
// To build an array that can be used by PDF_TPL::useTemplate()
$this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl], $box);
// An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects()
$tpl['x'] = 0;
$tpl['y'] = 0;
// handle rotated pages
$rotation = $parser->getPageRotation($pageno);
$tpl['_rotationAngle'] = 0;
if (isset($rotation[1]) && ($angle = $rotation[1] % 360) != 0) {
$steps = $angle / 90;
$_w = $tpl['w'];
$_h = $tpl['h'];
$tpl['w'] = $steps % 2 == 0 ? $_w : $_h;
$tpl['h'] = $steps % 2 == 0 ? $_h : $_w;
if ($angle < 0) {
$angle += 360;
}
$tpl['_rotationAngle'] = $angle * -1;
}
$this->_importedPages[$pageKey] = $this->tpl;
return $this->tpl;
}
public function getLastUsedPageBox()
{
return $this->lastUsedPageBox;
}
public function useTemplate($tplidx, $_x = null, $_y = null, $_w = 0, $_h = 0, $adjustPageSize = false)
{
if ($adjustPageSize == true && is_null($_x) && is_null($_y)) {
$size = $this->getTemplateSize($tplidx, $_w, $_h);
$format = array($size['w'], $size['h']);
if (is_subclass_of($this, 'TCPDF')) {
$this->setPageFormat($format, $format[0] > $format[1] ? 'L' : 'P');
} else {
if ($format[0] != $this->CurPageFormat[0] || $format[1] != $this->CurPageFormat[1]) {
$this->w = $format[0];
$this->h = $format[1];
$this->wPt = $this->w * $this->k;
$this->hPt = $this->h * $this->k;
$this->PageBreakTrigger = $this->h - $this->bMargin;
$this->CurPageFormat = $format;
$this->PageSizes[$this->page] = array($this->wPt, $this->hPt);
}
}
}
$this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values
$s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h);
$this->_out('Q');
return $s;
}
/**
* Private method, that rebuilds all needed objects of source files
*/
public function _putimportedobjects()
{
if (is_array($this->parsers) && count($this->parsers) > 0) {
foreach ($this->parsers as $filename => $p) {
$this->current_parser =& $this->parsers[$filename];
if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) {
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]);
$this->_newobj($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]);
}
}
}
}
}
/**
* Private Method that writes the form xobjects
*/
public function _putformxobjects()
{
$filter=($this->compress) ? '/Filter /FlateDecode ' : '';
reset($this->tpls);
foreach ($this->tpls as $tplidx => $tpl) {
$p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer'];
$this->_newobj();
$cN = $this->n; // TCPDF/Protection: rem current "n"
$this->tpls[$tplidx]['n'] = $this->n;
$this->_out('<<' . $filter . '/Type /XObject');
$this->_out('/Subtype /Form');
$this->_out('/FormType 1');
$this->_out(sprintf(
'/BBox [%.2F %.2F %.2F %.2F]',
(isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x']) * $this->k,
(isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y']) * $this->k,
(isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x']) * $this->k,
(isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h'] - $tpl['y']) * $this->k
));
$c = 1;
$s = 0;
$tx = 0;
$ty = 0;
if (isset($tpl['box'])) {
$tx = -$tpl['box']['llx'];
$ty = -$tpl['box']['lly'];
if ($tpl['_rotationAngle'] <> 0) {
$angle = $tpl['_rotationAngle'] * M_PI/180;
$c=cos($angle);
$s=sin($angle);
switch ($tpl['_rotationAngle']) {
case -90:
$tx = -$tpl['box']['lly'];
$ty = $tpl['box']['urx'];
break;
case -180:
$tx = $tpl['box']['urx'];
$ty = $tpl['box']['ury'];
break;
case -270:
$tx = $tpl['box']['ury'];
$ty = -$tpl['box']['llx'];
break;
}
}
} elseif ($tpl['x'] != 0 || $tpl['y'] != 0) {
$tx = -$tpl['x']*2;
$ty = $tpl['y']*2;
}
$tx *= $this->k;
$ty *= $this->k;
if ($c != 1 || $s != 0 || $tx != 0 || $ty != 0) {
$this->_out(sprintf(
'/Matrix [%.5F %.5F %.5F %.5F %.5F %.5F]',
$c,
$s,
-$s,
$c,
$tx,
$ty
));
}
$this->_out('/Resources ');
if (isset($tpl['resources'])) {
$this->current_parser =& $tpl['parser'];
$this->pdf_write_value($tpl['resources']); // "n" will be changed
} else {
$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) {
$this->_out('/Font <<');
foreach ($this->_res['tpl'][$tplidx]['fonts'] as $font) {
$this->_out('/F' . $font['i'] . ' ' . $font['n'] . ' 0 R');
}
$this->_out('>>');
}
if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) ||
isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) {
$this->_out('/XObject <<');
if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) {
foreach ($this->_res['tpl'][$tplidx]['images'] as $image) {
$this->_out('/I' . $image['i'] . ' ' . $image['n'] . ' 0 R');
}
}
if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($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('>>');
}
$nN = $this->n; // TCPDF: rem new "n"
$this->n = $cN; // TCPDF: reset to current "n"
$this->_out('/Length ' . strlen($p) . ' >>');
$this->_putstream($p);
$this->_out('endobj');
$this->n = $nN; // TCPDF: reset to new "n"
}
$this->_putimportedobjects();
}
/**
* Rewritten to handle existing own defined objects
*/
public function _newobj($obj_id = false, $onlynewobj = false)
{
if (!$obj_id) {
$obj_id = ++$this->n;
}
//Begin a new object
if (!$onlynewobj) {
$this->offsets[$obj_id] = is_subclass_of($this, 'TCPDF') ? $this->bufferlen : strlen($this->buffer);
$this->_out($obj_id . ' 0 obj');
$this->_current_obj_id = $obj_id; // for later use with encryption
}
return $obj_id;
}
/**
* Writes a value
* Needed to rebuild the source document
*
* @param mixed $value A PDF-Value. Structure of values see cases in this method
*/
public function pdf_write_value(&$value)
{
if (is_subclass_of($this, 'TCPDF')) {
parent::pdf_write_value($value);
}
switch ($value[0]) {
case PDF_TYPE_TOKEN:
$this->_straightOut($value[1] . ' ');
break;
case PDF_TYPE_NUMERIC:
case PDF_TYPE_REAL:
if (is_float($value[1]) && $value[1] != 0) {
$this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') . ' ');
} else {
$this->_straightOut($value[1] . ' ');
}
break;
case PDF_TYPE_ARRAY:
// An array. Output the proper
// structure and move on.
$this->_straightOut('[');
for ($i = 0; $i < count($value[1]); $i++) {
$this->pdf_write_value($value[1][$i]);
}
$this->_out(']');
break;
case PDF_TYPE_DICTIONARY:
// A dictionary.
$this->_straightOut('<<');
reset($value[1]);
while (list($k, $v) = each($value[1])) {
$this->_straightOut($k . ' ');
$this->pdf_write_value($v);
}
$this->_straightOut('>>');
break;
case PDF_TYPE_OBJREF:
// An indirect object reference
// Fill the object stack if needed
$cpfn =& $this->current_parser->filename;
if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) {
$this->_newobj(false, true);
$this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value);
$this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!!
}
$objid = $this->_don_obj_stack[$cpfn][$value[1]][0];
$this->_out($objid . ' 0 R');
break;
case PDF_TYPE_STRING:
// A string.
$this->_straightOut('(' . $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->_straightOut('<' . $value[1] . '>');
break;
case PDF_TYPE_BOOLEAN:
$this->_straightOut($value[1] ? 'true ' : 'false ');
break;
case PDF_TYPE_NULL:
// The null object.
$this->_straightOut('null ');
break;
}
}
/**
* Modified so not each call will add a newline to the output.
*/
public function _straightOut($s)
{
if (!is_subclass_of($this, 'TCPDF')) {
if ($this->state==2) {
$this->pages[$this->page] .= $s;
} else {
$this->buffer .= $s;
}
} else {
if ($this->state == 2) {
if (isset($this->footerlen[$this->page]) and ($this->footerlen[$this->page] > 0)) {
// puts data before page footer
$page = substr($this->getPageBuffer($this->page), 0, -$this->footerlen[$this->page]);
$footer = substr($this->getPageBuffer($this->page), -$this->footerlen[$this->page]);
$this->setPageBuffer($this->page, $page . ' ' . $s . "\n" . $footer);
} else {
$this->setPageBuffer($this->page, $s, true);
}
} else {
$this->setBuffer($s);
}
}
}
/**
* rewritten to close opened parsers
*
*/
public function _enddoc()
{
parent::_enddoc();
$this->_closeParsers();
}
/**
* close all files opened by parsers
*/
public function _closeParsers()
{
if ($this->state > 2 && count($this->parsers) > 0) {
foreach ($this->parsers as $k => $_) {
$this->parsers[$k]->closeFile();
$this->parsers[$k] = null;
unset($this->parsers[$k]);
}
return true;
}
return false;
}
}
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