/**
* @param SplFileInfo $file
* @return bool
*/
private function load(SplFileInfo $file)
{
try {
$this->exifData = $this->exif->read($file->getRealPath());
$this->date = $this->exifData->getCreationDate();
} catch (\RuntimeException $e) {
// do nothing
}
}
/**
* @group exif
* @covers \PHPExif\Exif::getGPS
*/
public function testGetGPS()
{
$expected = '40.333452380556,-20.167314813889';
$data[\PHPExif\Exif::GPS] = $expected;
$this->exif->setData($data);
$this->assertEquals($expected, $this->exif->getGPS());
}
/**
* Get an array with the dimensions of an image, together with its
* aspectratio and some other info.
*
* @param string $filename
* @param boolean $safe
*
* @return array Specifics
*/
public function imageInfo($filename, $safe)
{
// This function is vulnerable to path traversal, so blocking it in
// safe mode for now.
if ($safe) {
return null;
}
$fullpath = sprintf('%s/%s', $this->app['resources']->getPath('filespath'), $filename);
if (!is_readable($fullpath) || !is_file($fullpath)) {
return false;
}
$types = array(0 => 'unknown', 1 => 'gif', 2 => 'jpeg', 3 => 'png', 4 => 'swf', 5 => 'psd', 6 => 'bmp');
// Get the dimensions of the image
$imagesize = getimagesize($fullpath);
// Get the aspectratio
if ($imagesize[1] > 0) {
$ar = $imagesize[0] / $imagesize[1];
} else {
$ar = 0;
}
$info = array('width' => $imagesize[0], 'height' => $imagesize[1], 'type' => $types[$imagesize[2]], 'mime' => $imagesize['mime'], 'aspectratio' => $ar, 'filename' => $filename, 'fullpath' => realpath($fullpath), 'url' => str_replace('//', '/', $this->app['resources']->getUrl('files') . $filename));
/** @var $reader \PHPExif\Reader\Reader */
$reader = ExifReader::factory(ExifReader::TYPE_NATIVE);
try {
// Get the EXIF data of the image
$exif = $reader->read($fullpath);
} catch (\RuntimeException $e) {
// No EXIF data… create an empty object.
$exif = new Exif();
}
// GPS coordinates
$gps = $exif->getGPS();
$gps = explode(',', $gps);
// If the picture is turned by exif, ouput the turned aspectratio
if (in_array($exif->getOrientation(), array(6, 7, 8))) {
$exifturned = $imagesize[1] / $imagesize[0];
} else {
$exifturned = $ar;
}
// Output the relevant EXIF info
$info['exif'] = array('latitude' => isset($gps[0]) ? $gps[0] : false, 'longitude' => isset($gps[1]) ? $gps[1] : false, 'datetime' => $exif->getCreationDate(), 'orientation' => $exif->getOrientation(), 'aspectratio' => $exifturned ?: false);
// Landscape if aspectratio > 5:4
$info['landscape'] = $ar >= 1.25 ? true : false;
// Portrait if aspectratio < 4:5
$info['portrait'] = $ar <= 0.8 ? true : false;
// Square-ish, if neither portrait or landscape
$info['square'] = !$info['landscape'] && !$info['portrait'];
return $info;
}
/**
* Casts Exif to this sub-class.
*
* @param PHPExif\Exif $exif
*
* @return Exif
*/
public static function cast(PHPExif\Exif $exif)
{
$new = new static($exif->getData());
$new->setRawData($exif->getRawData());
return $new;
}
