Added initial reader interface, with zooming and panning widget.

[automanga.git] / manga / lib.py

diff --git a/manga/lib.py b/manga/lib.py
index 8ec9c2e..a3fa9a6 100644 (file)
--- a/manga/lib.py
+++ b/manga/lib.py
@@ -115,7 +115,9 @@ class imgstream(object):
     when exiting the with-scope.
 
     All imgstreams should contain an attribute `ctype', being the
-    Content-Type of the image being read by the stream."""
+    Content-Type of the image being read by the stream, and `clen`,
+    being either an int describing the total number of bytes in the
+    stream, or None if the value is not known in advance."""
 
     def __enter__(self):
         return self
@@ -160,7 +162,7 @@ class cursor(object):
         raise StopIteration()
 
     def prev(self):
-        for n, i in reversed(self.cur,stack):
+        for n, i in reversed(self.cur.stack):
             if i > 0:
                 self.cur = self.descend(n[i - 1])
                 return self.cur