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