MAGETWO-62464: Travis CI: GD2 imagettfbbox creates image with invalid size

Author: slavvka

dev/tests/integration/testsuite/Magento/Framework/Image/Adapter/InterfaceTest.php

@@ -5,8 +5,6 @@
  */
 namespace Magento\Framework\Image\Adapter;
 
-use Magento\Framework\App\Filesystem\DirectoryList;
-
 /**
  * @magentoAppIsolation enabled
  */
@@ -547,9 +545,7 @@ public function cropDataProvider()
      */
     public function testCreatePngFromString($pixel1, $expectedColor1, $pixel2, $expectedColor2, $adapterType)
     {
-        if (!function_exists('imagettfbbox')
-            || (getenv('TRAVIS') && getenv('TRAVIS_PHP_VERSION') == '7.1')
-        ) {
+        if (!function_exists('imagettfbbox')) {
             $this->markTestSkipped('Workaround for problem with imagettfbbox() function on Travis');
         }
         $adapter = $this->_getAdapter($adapterType);

lib/internal/Magento/Framework/Image/Adapter/Gd2.php

@@ -737,8 +737,8 @@ protected function _createImageFromText($text)
     protected function _createImageFromTtfText($text, $font)
     {
         $boundingBox = imagettfbbox($this->_fontSize, 0, $font, $text);
-        $width = abs($boundingBox[4]) + abs($boundingBox[0]);
-        $height = abs($boundingBox[5]) + abs($boundingBox[1]);
+        $width = abs($boundingBox[4] - $boundingBox[0]);
+        $height = abs($boundingBox[5] - $boundingBox[1]);
 
         $this->_createEmptyImage($width, $height);