xref: /PHP-8.4/ext/gd/tests/gd223.phpt (revision 47683487) 
1--TEST--
2libgd bug 223 (gdImageRotateGeneric() does not properly interpolate)
3--EXTENSIONS--
4gd
5--SKIPIF--
6<?php
7if (!GD_BUNDLED) die("skip only for bundled libgd");
8?>
9--FILE--
10<?php
11require_once __DIR__ . "/func.inc";
12
13$im = imagecreatetruecolor(64, 64);
14for ($j = 0; $j < 64; $j++) {
15    for ($i = 0; $i < 64; $i++) {
16        imagesetpixel($im, $i, $j, ($i % 2 || $j % 2) ? 0x000000 : 0xffffff);
17    }
18}
19
20imagesetinterpolation($im, IMG_BICUBIC);
21$im = imagerotate($im, 45, 0xff0000);
22
23test_image_equals_file(__DIR__ . "/gd223.png", $im);
24?>
25--EXPECT--
26The images are equal.
27