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armansansd
172
old.vendor/lsolesen/pel/src/PelEntryUndefined.php
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172
old.vendor/lsolesen/pel/src/PelEntryUndefined.php
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<?php
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/**
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* PEL: PHP Exif Library.
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* A library with support for reading and
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* writing all Exif headers in JPEG and TIFF images using PHP.
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*
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* Copyright (C) 2004, 2005 Martin Geisler.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program in the file COPYING; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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/**
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* Classes used to hold data for Exif tags of format undefined.
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*
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* This file contains the base class {@link PelEntryUndefined} and
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* the subclasses {@link PelEntryUserComment} which should be used
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* to manage the {@link PelTag::USER_COMMENT} tag, and {@link
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* PelEntryVersion} which is used to manage entries with version
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* information.
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*
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* @author Martin Geisler <mgeisler@users.sourceforge.net>
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* @license http://www.gnu.org/licenses/gpl.html GNU General Public
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* License (GPL)
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* @package PEL
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*/
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/**
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* Class for holding data of any kind.
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*
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* This class can hold bytes of undefined format.
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*
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* @author Martin Geisler <mgeisler@users.sourceforge.net>
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* @package PEL
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*/
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namespace lsolesen\pel;
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class PelEntryUndefined extends PelEntry
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{
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/**
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* Make a new PelEntry that can hold undefined data.
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*
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* @param integer $tag
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* which this entry represents. This
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* should be one of the constants defined in {@link PelTag},
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* e.g., {@link PelTag::SCENE_TYPE}, {@link
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* PelTag::MAKER_NOTE} or any other tag with format {@link
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* PelFormat::UNDEFINED}.
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* @param string $data
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* the data that this entry will be holding. Since
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* the format is undefined, no checking will be done on the data. If no data are given, a empty string will be stored
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*/
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public function __construct($tag, $data = '')
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{
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$this->tag = $tag;
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$this->format = PelFormat::UNDEFINED;
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$this->setValue($data);
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}
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/**
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* Set the data of this undefined entry.
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*
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* @param string $data
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* the data that this entry will be holding. Since
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* the format is undefined, no checking will be done on the data.
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*/
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public function setValue($data)
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{
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$this->components = strlen($data);
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$this->bytes = $data;
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}
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/**
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* Get the data of this undefined entry.
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*
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* @return string the data that this entry is holding.
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*/
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public function getValue()
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{
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return $this->bytes;
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}
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/**
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* Get the value of this entry as text.
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*
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* The value will be returned in a format suitable for presentation.
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*
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* @param boolean $brief
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* some values can be returned in a long or more
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* brief form, and this parameter controls that.
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* @return string the value as text.
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*/
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public function getText($brief = false)
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{
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switch ($this->tag) {
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case PelTag::FILE_SOURCE:
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// CC (e->components, 1, v);
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switch (ord($this->bytes[0])) {
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case 0x03:
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return 'DSC';
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default:
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return sprintf('0x%02X', ord($this->bytes[0]));
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}
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break;
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case PelTag::SCENE_TYPE:
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// CC (e->components, 1, v);
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switch (ord($this->bytes[0])) {
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case 0x01:
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return 'Directly photographed';
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default:
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return sprintf('0x%02X', ord($this->bytes[0]));
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}
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break;
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case PelTag::COMPONENTS_CONFIGURATION:
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// CC (e->components, 4, v);
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$v = '';
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for ($i = 0; $i < 4; $i ++) {
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switch (ord($this->bytes[$i])) {
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case 0:
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$v .= '-';
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break;
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case 1:
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$v .= 'Y';
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break;
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case 2:
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$v .= 'Cb';
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break;
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case 3:
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$v .= 'Cr';
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break;
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case 4:
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$v .= 'R';
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break;
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case 5:
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$v .= 'G';
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break;
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case 6:
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$v .= 'B';
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break;
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default:
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$v .= 'reserved';
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break;
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}
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if ($i < 3) {
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$v .= ' ';
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}
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}
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return $v;
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break;
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case PelTag::MAKER_NOTE:
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// TODO: handle maker notes.
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return $this->components . ' bytes unknown MakerNote data';
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break;
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default:
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return '(undefined)';
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}
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}
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}
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