2022-04-27 11:30:43 +02:00

81 lines
2.4 KiB
PHP

<?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, 2006, 2007 Martin Geisler.
*
* 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 Pel\Test;
use lsolesen\pel\PelJpeg;
use PHPUnit\Framework\TestCase;
class GH21Test extends TestCase
{
protected $file;
public function setUp(): void
{
$this->file = dirname(__FILE__) . '/images/gh-21-tmp.jpg';
$file = dirname(__FILE__) . '/images/gh-21.jpg';
copy($file, $this->file);
}
public function tearDown(): void
{
unlink($this->file);
}
public function testThisDoesNotWorkAsExpected()
{
$scale = 0.75;
$input_jpeg = new PelJpeg($this->file);
$original = ImageCreateFromString($input_jpeg->getBytes());
$this->assertNotFalse($original, 'New image must not be false');
$original_w = ImagesX($original);
$original_h = ImagesY($original);
$scaled_w = (int) ($original_w * $scale);
$scaled_h = (int) ($original_h * $scale);
$scaled = ImageCreateTrueColor($scaled_w, $scaled_h);
$this->assertNotFalse($scaled, 'Resized image must not be false');
ImageCopyResampled($scaled, $original, 0, 0, 0, 0, $scaled_w, $scaled_h, $original_w, $original_h);
$output_jpeg = new PelJpeg($scaled);
$exif = $input_jpeg->getExif();
if ($exif !== null) {
$output_jpeg->setExif($exif);
}
file_put_contents($this->file, $output_jpeg->getBytes());
$jpeg = new PelJpeg($this->file);
$exifin = $jpeg->getExif();
$this->assertEquals($exif, $exifin);
}
}