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Fix and reactivate regression test for bug #50194
Apparently, different FreeType versions render the string differently, so we have to cater to these slight differences. Unfortunately, the testing framework doesn't yet offer a clean API for this, so we work around the limitations by parsing and checking the output of test_image_equals_file().
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@ -4,7 +4,7 @@ Bug #50194 (imagettftext broken on transparent background w/o alphablending)
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<?php
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if (!extension_loaded('gd')) die('skip gd extension not available');
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if (!function_exists('imagettftext')) die('skip imagettftext() not available');
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die('skip freetype issues');
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//die('skip freetype issues');
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?>
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--FILE--
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<?php
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@ -20,11 +20,19 @@ $font = __DIR__ . DIRECTORY_SEPARATOR . 'Tuffy.ttf';
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imagettftext($im, 40, 0, 10, 40, $black, $font, $text);
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imagesavealpha($im, true);
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ob_start();
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test_image_equals_file(__DIR__ . DIRECTORY_SEPARATOR . 'bug50194.png', $im);
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$output = ob_get_clean();
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assert(preg_match('/The images are equal|The images differ in (\d+) pixels/', $output, $matches));
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if (isset($matches[1]) && $matches[1] > 2000) {
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echo "The images differ in {$matches[1]} pixels.\n";
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} else {
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echo "The images are similar.\n";
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}
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imagedestroy($im);
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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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The images are similar.
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===DONE===
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