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dc09f30933
The bundled GD test suites makes heavy use of md5() to verify the result
of drawing operations. This leads to fragile tests (even a slight change
in a PNG header would cause failure, and of course there is the
possibility of collisions), and even worse, eventual test failures are
rather unrevealing.
Therefore we replace all md5() verification with a simplistic
test_image_equals_file(), which is basically a simplified port of libgd's
gdTestImageCompareToFile(), adapted to the needs of PHPTs.
In the long run better tests helpers should be introduced (see also
<http://news.php.net/php.internals/94081>), but for now this solution
is preferable over the former.
(cherry picked from commit 24f9e96792)
35 lines
1.6 KiB
PHP
35 lines
1.6 KiB
PHP
--TEST--
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Bug #66005 (imagecopy does not support 1bit transparency on truecolor images)
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--SKIPIF--
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<?php
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if (!extension_loaded('gd')) die('skip gd extension not available');
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?>
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--FILE--
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<?php
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$dest = imagecreatetruecolor(150, 50);
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$transparent = imagecolorallocatealpha($dest, 255, 255, 255, 127);
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imagealphablending($dest, false);
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imagefill($dest, 1, 1, $transparent);
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imagesavealpha($dest, true);
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// Palette image with transparent color
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$png_palette = imagecreatefromstring(base64_decode('iVBORw0KGgoAAAANSUhEUgAAADIAAAAyAgMAAABjUWAiAAAACVBMVEUAAAD/AAD///9nGWQeAAAAAXRSTlMAQObYZgAAAEFJREFUKM9jYBimIASZIxoagOAwhoaGInisQJ4DksJQJKWoPCAnNIQYHsgChBX4eMSbiddlqH5A9R+q39HCZWgDAFxFGyOrmguhAAAAAElFTkSuQmCCPHP'));
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// 24 bit with transparent color
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$png_24 = imagecreatefromstring(base64_decode('iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAIAAACRXR/mAAAABnRSTlMAAAAAAABupgeRAAAAVklEQVRYw+3UQQqAMBAEwf3/p9eTBxEPiWAmWMU8oGFJqgAAuOpzWTX3xQUti+uRJTZ9V5aY1bOTFZLV7yZr9zt6ibv/qPXfrMpsGipbIy7oqQ8AYJED1plDy5PCu2sAAAAASUVORK5CYII='));
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// 32 bit with full alpha channel
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$png_full = imagecreatefromstring(base64_decode('iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAYAAAAeP4ixAAAAXklEQVRo3u3XMQrAIBBFwb3/pU2VwiJNIvjdzMD2PlBwqwAAAGajatxz9OGf5viA+KA3EXExXyKiYlqErIiIiBGSFLIyYmuMkO7Xy2MX4ovS/ONoH7Eh/m1nBwCASBe3VYeVaAy8PwAAAABJRU5ErkJggg=='));
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imagecopy($dest, $png_palette, 0, 0, 0, 0, 50, 50);
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imagecopy($dest, $png_24, 50, 0, 0, 0, 50, 50);
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imagecopy($dest, $png_full, 100, 0, 0, 0, 50, 50);
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include_once __DIR__ . '/func.inc';
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test_image_equals_file(__DIR__ . '/bug66005.png', $dest);
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?>
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==DONE==
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--EXPECT--
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The images are equal.
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==DONE==
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