134 lines
3.7 KiB
PHP
134 lines
3.7 KiB
PHP
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<?php
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//
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// FPDI - Version 1.2.1
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//
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// Copyright 2004-2008 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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/**
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* This class is used as a bridge between TCPDF and FPDI
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* and will create the possibility to use both FPDF and TCPDF
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* via one FPDI version.
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*
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* We'll simply remap TCPDF to FPDF again.
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*
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* It'll be loaded and extended by FPDF_TPL.
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*/
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class FPDF extends TCPDF {
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/**
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* Missing in TCPDF
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*
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* @var string
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*/
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var $padding;
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function __get($name) {
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switch ($name) {
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case 'PDFVersion':
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return $this->PDFVersion;
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case 'k':
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return $this->k;
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case 'lastUsedPageBox':
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return $this->lastUsedPageBox;
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default:
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// Error handling
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$this->Error('Cannot access protected property '.get_class($this).':$'.$name.' / Undefined property: '.get_class($this).'::$'.$name);
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}
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}
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function __set($name, $value) {
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switch ($name) {
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case 'PDFVersion':
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$this->PDFVersion = $value;
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break;
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default:
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// Error handling
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$this->Error('Cannot access protected property '.get_class($this).':$'.$name.' / Undefined property: '.get_class($this).'::$'.$name);
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}
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}
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/**
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* Encryption of imported data by FPDI
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*
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* @param array $value
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*/
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function pdf_write_value(&$value) {
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switch ($value[0]) {
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case PDF_TYPE_STRING :
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if ($this->encrypted) {
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$value[1] = $this->_unescape($value[1]);
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$value[1] = $this->_RC4($this->_objectkey($this->_current_obj_id), $value[1]);
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$value[1] = $this->_escape($value[1]);
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}
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break;
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case PDF_TYPE_STREAM :
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if ($this->encrypted) {
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$value[2][1] = $this->_RC4($this->_objectkey($this->_current_obj_id), $value[2][1]);
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}
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break;
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case PDF_TYPE_HEX :
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if ($this->encrypted) {
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$value[1] = $this->hex2str($value[1]);
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$value[1] = $this->_RC4($this->_objectkey($this->_current_obj_id), $value[1]);
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// remake hexstring of encrypted string
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$value[1] = $this->str2hex($value[1]);
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}
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break;
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}
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}
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/**
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* Unescapes a PDF string
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*
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* @param string $s
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* @return string
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*/
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function _unescape($s) {
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return strtr($s, array(
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'\\\\' => "\\",
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'\)' => ')',
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'\(' => '(',
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'\\f' => chr(0x0C),
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'\\b' => chr(0x08),
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'\\t' => chr(0x09),
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'\\r' => chr(0x0D),
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'\\n' => chr(0x0A),
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));
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}
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/**
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* Hexadecimal to string
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*
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* @param string $hex
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* @return string
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*/
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function hex2str($hex) {
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return pack("H*", str_replace(array("\r", "\n", " "), "", $hex));
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}
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/**
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* String to hexadecimal
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*
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* @param string $str
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* @return string
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*/
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function str2hex($str) {
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return current(unpack("H*", $str));
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}
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}
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