xref: /PHP-8.2/ext/gd/tests/bug66005.phpt (revision a375d547)
1--TEST--
2Bug #66005 (imagecopy does not support 1bit transparency on truecolor images)
3--EXTENSIONS--
4gd
5--FILE--
6<?php
7$dest = imagecreatetruecolor(150, 50);
8$transparent = imagecolorallocatealpha($dest, 255, 255, 255, 127);
9imagealphablending($dest, false);
10imagefill($dest, 1, 1, $transparent);
11imagesavealpha($dest, true);
12
13// Palette image with transparent color
14$png_palette = imagecreatefromstring(base64_decode('iVBORw0KGgoAAAANSUhEUgAAADIAAAAyAgMAAABjUWAiAAAACVBMVEUAAAD/AAD///9nGWQeAAAAAXRSTlMAQObYZgAAAEFJREFUKM9jYBimIASZIxoagOAwhoaGInisQJ4DksJQJKWoPCAnNIQYHsgChBX4eMSbiddlqH5A9R+q39HCZWgDAFxFGyOrmguhAAAAAElFTkSuQmCCPHP'));
15
16// 24 bit with transparent color
17$png_24 = imagecreatefromstring(base64_decode('iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAIAAACRXR/mAAAABnRSTlMAAAAAAABupgeRAAAAVklEQVRYw+3UQQqAMBAEwf3/p9eTBxEPiWAmWMU8oGFJqgAAuOpzWTX3xQUti+uRJTZ9V5aY1bOTFZLV7yZr9zt6ibv/qPXfrMpsGipbIy7oqQ8AYJED1plDy5PCu2sAAAAASUVORK5CYII='));
18
19// 32 bit with full alpha channel
20$png_full = imagecreatefromstring(base64_decode('iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAYAAAAeP4ixAAAAXklEQVRo3u3XMQrAIBBFwb3/pU2VwiJNIvjdzMD2PlBwqwAAAGajatxz9OGf5viA+KA3EXExXyKiYlqErIiIiBGSFLIyYmuMkO7Xy2MX4ovS/ONoH7Eh/m1nBwCASBe3VYeVaAy8PwAAAABJRU5ErkJggg=='));
21
22imagecopy($dest, $png_palette, 0, 0, 0, 0, 50, 50);
23imagecopy($dest, $png_24, 50, 0, 0, 0, 50, 50);
24imagecopy($dest, $png_full, 100, 0, 0, 0, 50, 50);
25
26include_once __DIR__ . '/func.inc';
27test_image_equals_file(__DIR__ . '/bug66005.png', $dest);
28?>
29--EXPECT--
30The images are equal.
31