* @link http://exif.org/Exif2-2.PDF The Exif 2.2 specification
*/
$this->mExifTags = [
+ 'COMPUTED' => [
+ 'Width' => Exif::SHORT_OR_LONG, # Image width
+ 'Height' => Exif::SHORT_OR_LONG, # Image height
+ ],
+
# TIFF Rev. 6.0 Attribute Information (p22)
'IFD0' => [
# Tags relating to image structure