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98
old.vendor/lsolesen/pel/examples/dump-image.php
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98
old.vendor/lsolesen/pel/examples/dump-image.php
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#!/usr/bin/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, 2006 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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/* Make PEL speak the users language, if it is available. */
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setlocale(LC_ALL, '');
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use lsolesen\pel\Pel;
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use lsolesen\pel\PelConvert;
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use lsolesen\pel\PelDataWindow;
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use lsolesen\pel\PelJpeg;
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use lsolesen\pel\PelTiff;
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$prog = array_shift($argv);
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$file = '';
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while (! empty($argv)) {
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switch ($argv[0]) {
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case '-d':
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Pel::setDebug(true);
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break;
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case '-s':
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Pel::setStrictParsing(true);
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break;
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default:
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$file = $argv[0];
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break;
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}
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array_shift($argv);
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}
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if (empty($file)) {
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printf("Usage: %s [-d] [-s] <filename>\n", $prog);
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print("Optional arguments:\n");
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print(" -d turn debug output on.\n");
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print(" -s turn strict parsing on (halt on errors).\n");
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print("Mandatory arguments:\n");
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print(" filename a JPEG or TIFF image.\n");
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exit(1);
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}
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if (! is_readable($file)) {
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printf("Unable to read %s!\n", $file);
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exit(1);
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}
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/*
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* We typically need lots of RAM to parse TIFF images since they tend
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* to be big and uncompressed.
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*/
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ini_set('memory_limit', '32M');
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$data = new PelDataWindow(file_get_contents($file));
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if (PelJpeg::isValid($data)) {
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$img = new PelJpeg();
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} elseif (PelTiff::isValid($data)) {
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$img = new PelTiff();
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} else {
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print("Unrecognized image format! The first 16 bytes follow:\n");
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PelConvert::bytesToDump($data->getBytes(0, 16));
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exit(1);
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}
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/* Try loading the data. */
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$img->load($data);
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print($img);
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/* Deal with any exceptions: */
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if (count(Pel::getExceptions()) > 0) {
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print("\nThe following errors were encountered while loading the image:\n");
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foreach (Pel::getExceptions() as $e) {
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print("\n" . $e->__toString());
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}
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}
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