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initial working version of saving arbitrary tags from the img.tags directory

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wiredfool 2013-09-28 21:31:32 -07:00
parent 465ebd3af3
commit bb9672095b
1 changed files with 14 additions and 1 deletions
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13
PIL/TiffImagePlugin.py
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@ -293,6 +293,7 @@ class ImageFileDirectory(collections.MutableMapping):
def __setitem__(self, tag, value):
if not isinstance(value, tuple):
# UNDONE -- this should probably be type, value
value = (value,)
self.tags[tag] = value
@ -446,6 +447,9 @@ class ImageFileDirectory(collections.MutableMapping):
if typ == 1:
# byte data
if isinstance(value, tuple):
data = value = value[-1]
else:
data = value
elif typ == 7:
# untyped data
@ -493,6 +497,7 @@ class ImageFileDirectory(collections.MutableMapping):
count = len(value)
if typ == 5:
count = count // 2 # adjust for rational data field
append((tag, typ, count, o32(offset), data))
offset = offset + len(data)
if offset & 1:
@ -931,6 +936,13 @@ def _save(im, fp, filename):
for key in (RESOLUTION_UNIT, X_RESOLUTION, Y_RESOLUTION):
if key in im.tag.tagdata:
ifd[key] = im.tag.tagdata.get(key)
info = im.encoderinfo.get("tiffinfo",[])
print("info %s "% info)
for key in info:
if key in im.tag:
ifd[key] = im.tag.get(key)
print ("added %s" %key)
# preserve some more tags from original TIFF image file
# -- 2008-06-06 Florian Hoech
ifd.tagtype = im.tag.tagtype
@ -941,6 +953,7 @@ def _save(im, fp, filename):
# which support profiles as TIFF) -- 2008-06-06 Florian Hoech
if "icc_profile" in im.info:
ifd[ICCPROFILE] = im.info["icc_profile"]
if "description" in im.encoderinfo:
ifd[IMAGEDESCRIPTION] = im.encoderinfo["description"]
if "resolution" in im.encoderinfo: