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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().
39 lines
1.2 KiB
PHP
39 lines
1.2 KiB
PHP
--TEST--
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Bug #50194 (imagettftext broken on transparent background w/o alphablending)
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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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if (!function_exists('imagettftext')) die('skip imagettftext() not available');
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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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require_once __DIR__ . DIRECTORY_SEPARATOR . 'func.inc';
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$im = imagecreatetruecolor(240, 55);
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$background = imagecolorallocatealpha($im, 60, 60, 60, 0); // no tranparency
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$black = imagecolorallocate($im, 0, 0, 0);
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imagealphablending($im, false);
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imagefilledrectangle($im, 0, 0, 239, 54, $background);
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$text = 'Testing ... ';
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$font = __DIR__ . DIRECTORY_SEPARATOR . 'Tuffy.ttf';
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imagettftext($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 similar.
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===DONE===
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