From c8b0e26971be2468a59c1bcfb2ce376da035c635 Mon Sep 17 00:00:00 2001
From: John Evans <john.g.evans.ne@gmail.com>
Date: Fri, 21 Jun 2013 06:34:33 -0400
Subject: [PATCH] Added FileTypeBox default constructor defaults.

---
 glymur/jp2box.py           | 8 +++++++-
 glymur/test/test_jp2box.py | 7 +++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/glymur/jp2box.py b/glymur/jp2box.py
index aa92f2a..bde8a67 100644
--- a/glymur/jp2box.py
+++ b/glymur/jp2box.py
@@ -596,8 +596,14 @@ class FileTypeBox(Jp2kBox):
         List of file conformance profiles.
     """
     def __init__(self, **kwargs):
-        Jp2kBox.__init__(self, id='', longname='File Type')
+        Jp2kBox.__init__(self, id='ftyp', longname='File Type')
         self.__dict__.update(**kwargs)
+        if 'brand' not in kwargs.keys():
+            self.brand = 'jp2 '
+        if 'minor_version' not in kwargs.keys():
+            self.minor_version = 0
+        if 'compatibility_box' not in kwargs.keys():
+            self.compatibility_box = ['jp2 ']
 
     def __str__(self):
         lst = [Jp2kBox.__str__(self),
diff --git a/glymur/test/test_jp2box.py b/glymur/test/test_jp2box.py
index 40b85b8..3dca867 100644
--- a/glymur/test/test_jp2box.py
+++ b/glymur/test/test_jp2box.py
@@ -21,6 +21,13 @@ class TestJp2Boxes(unittest.TestCase):
         b = glymur.jp2box.JPEG2000SignatureBox()
         self.assertEqual(b.signature, (13, 10, 135, 10))
 
+    def test_default_FileTypeBox(self):
+        # Should be able to instantiate a FileTypeBox 
+        b = glymur.jp2box.FileTypeBox()
+        self.assertEqual(b.brand, 'jp2 ')
+        self.assertEqual(b.minor_version, 0)
+        self.assertEqual(b.compatibility_box, ['jp2 '])
+
 
 if __name__ == "__main__":
     unittest.main()