/**
* Auto rotates the image if an orientation in the exif data is found that is not 0.
*
* @param string $imageFile Path to the image file.
* @param string $format Format of the image to save. Workaround for imagines save(). :(
* @return boolean
*/
protected function _autoRotate($imageFile, $format)
{
$orientation = ImagineUtility::getImageOrientation($imageFile);
$degree = 0;
if ($orientation === false) {
return false;
}
if ($orientation === 0) {
return true;
}
switch ($orientation) {
case 180:
$degree = -180;
break;
case -90:
$degree = 90;
break;
case 90:
$degree = -90;
break;
}
$processor = new ImageProcessor();
$image = $processor->open($imageFile);
$processor->rotate($image, ['degree' => $degree]);
$image->save($imageFile, ['format' => $format]);
return true;
}
/**
* testGetImageOrientation
*
* @return void
*/
public function testGetImageOrientation()
{
$image = Plugin::path('Burzum/Imagine') . 'tests' . DS . 'Fixture' . DS . 'titus.jpg';
$result = ImagineUtility::getImageOrientation($image);
$this->assertEquals($result, 0);
$image = Plugin::path('Burzum/Imagine') . 'tests' . DS . 'Fixture' . DS . 'Portrait_6.jpg';
$result = ImagineUtility::getImageOrientation($image);
$this->assertEquals($result, -90);
try {
ImagineUtility::getImageOrientation('does-not-exist');
$this->fail('No \\RuntimeException thrown as expected!');
} catch (\RuntimeException $e) {
}
}
/**
* hashImageOperations
*
* @param array $imageSizes
* @param int $hashLength
* @return string
*/
public function hashImageOperations($imageSizes, $hashLength = 8)
{
return ImagineUtility::hashImageOperations($imageSizes, $hashLength = 8);
}