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<?php
/*
* PEL: PHP Exif Library.
* A library with support for reading and
* writing all Exif headers in JPEG and TIFF images using PHP.
*
* Copyright (C) 2004, 2005 Martin Geisler.
* Copyright (C) 2017 Johannes Weberhofer.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program in the file COPYING; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* Namespace for functions operating on Exif formats.
*
* This class defines the constants that are to be used whenever one
* has to refer to the format of an Exif tag. They will be
* collectively denoted by the pseudo-type PelFormat throughout the
* documentation.
*
* All the methods defined here are static, and they all operate on a
* single argument which should be one of the class constants.
*
* @author Vinzenz Rosenkranz <vinzenz.rosenkranz@gmail.com>
* @license http://www.gnu.org/licenses/gpl.html GNU General Public
* License (GPL)
* @package
*
*/
namespace lsolesen\pel;
abstract class PelMakerNotes
{
protected $type;
protected $parent;
protected $data;
protected $components;
protected $offset;
public static function createMakerNotesFromManufacturer($man, $parent, $data, $size, $offset)
{
switch ($man) {
case 'Canon':
return new PelCanonMakerNotes($parent, $data, $size, $offset);
default:
return null;
}
}
public function __construct($parent, $data, $size, $offset)
{
$this->parent = $parent;
$this->data = $data;
$this->size = $size;
$this->offset = $offset;
$this->components = 0;
Pel::debug('Creating MakerNotes with %d bytes at offset %d.', $size, $offset);
}
abstract public function load();
}