Example #1
0
 /**
  * Test to see if we can determine the image format.
  *
  * @param string $data
  *
  * @return ImageFormat|null
  */
 public function getImageFormat(&$data)
 {
     if (!$data || strlen($data) < 5) {
         return null;
     }
     // JPEG: FF D8
     if (ord($data[0]) == 0xff && ord($data[1]) == 0xd8) {
         return ImageFormat::JPEG();
     }
     // PNG: 89 50 4E 47
     if (ord($data[0]) == 0x89 && substr($data, 1, 3) == 'PNG') {
         return ImageFormat::PNG();
     }
     // GIF87a: 47 49 46 38 37 61
     // GIF89a: 47 49 46 38 39 61
     if (substr($data, 0, 6) == 'GIF87a' || substr($data, 0, 6) == 'GIF89a') {
         return ImageFormat::GIF();
     }
     return null;
 }
 /**
  * @medium
  */
 public function testVariationRemoteCreate()
 {
     $fn = __DIR__ . '/../Resources/image.png';
     $im = new ImageManager(new Filesystem(new LocalAdapter(static::$tmp_dir . 'remote')));
     $source = $im->loadFromFile($fn, self::TEST_KEY_VAR);
     $im->push($source);
     $var = new ImageVariation(self::TEST_KEY_VAR, ImageFormat::GIF(), 50);
     $im->pull($var);
     $this->assertTrue($var->isHydrated());
     $this->assertFalse($var->isPersistent());
     $this->assertTrue($im->exists($source));
     $this->assertFalse($im->exists($var));
     $im->push($var);
     $this->assertTrue($var->isPersistent());
     $this->assertTrue($im->exists($var));
 }