Move method

pyshared/jbtiff.py

@@ -293,6 +293,24 @@ def write_float(data, fid, size, little_endian):
  fid.write(buf)
  return
 
+ # get tags with strip offset and length from IFD
+ @staticmethod
+ def get_strip_parameters(IFD):
+ tag_offset = None
+ tag_length = None
+ if 273 in IFD:
+ assert 279 in IFD
+ assert 513 not in IFD and 514 not in IFD
+ tag_offset = 273
+ tag_length = 279
+ if 513 in IFD:
+ assert 514 in IFD
+ assert 273 not in IFD and 279 not in IFD
+ tag_offset = 513
+ tag_length = 514
+ assert tag_offset and tag_length
+ return tag_offset, tag_length
+
  ## class methods
 
  # get camera model from given IFD, if present
@@ -467,23 +485,6 @@ def read_directory(self, fid, ifd_offset, spans):
  # return directory
  return IFD
 
- @staticmethod
- def get_strip_parameters(IFD):
- tag_offset = None
- tag_length = None
- if 273 in IFD:
- assert 279 in IFD
- assert 513 not in IFD and 514 not in IFD
- tag_offset = 273
- tag_length = 279
- if 513 in IFD:
- assert 514 in IFD
- assert 273 not in IFD and 279 not in IFD
- tag_offset = 513
- tag_length = 514
- assert tag_offset and tag_length
- return tag_offset, tag_length
-
  # initialize class from stream
  def __init__(self, fid):
  # keep track of range of bytes read