This class provides methods and properties for ART Encryption mark.
| IG_ARTX_encryption_applied_get | Checks whether the encryption mark is applied or not to the image page. |
| IG_ARTX_encryption_bounds_get | Queries the bounding rectangle of annotation. |
| IG_ARTX_encryption_bounds_set | Updates the bounding rectangle of annotation. |
| IG_ARTX_encryption_create | Creates a new instance of encryption annotation (IG_ARTX_MARK_ENCRYPTION). |
| IG_ARTX_encryption_decrypt | Decrypts the area previously encrypted with IG_ARTX_encryption_encrypt. |
| IG_ARTX_encryption_encrypt | Encrypts the area of hIGear covered by the encryption mark. |
| IG_ARTX_encryption_password_get | Queries password string. |
| IG_ARTX_encryption_password_set | Updates annotation password. |