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Merge pull request #389 from wiredfool/libtiff-save

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Take compression as an option in the save call for tiffs
This commit is contained in:
Alex Clark ☺ 2013-10-24 03:03:27 -07:00
commit b57d68e993
2 changed files with 11 additions and 1 deletions
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2
PIL/TiffImagePlugin.py
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@ -915,7 +915,7 @@ def _save(im, fp, filename):
ifd = ImageFileDirectory(prefix)
compression = im.info.get('compression','raw')
compression = im.encoderinfo.get('compression',im.info.get('compression','raw'))
libtiff = compression in ["tiff_ccitt", "group3", "group4",
"tiff_jpeg", "tiff_adobe_deflate",
"tiff_thunderscan", "tiff_deflate",

10
Tests/test_file_libtiff.py
View File

@ -92,6 +92,7 @@ def test_g4_write():
assert_equal(reread.size,(500,500))
_assert_noerr(reread)
assert_image_equal(reread, rot)
assert_equal(reread.info['compression'], 'group4')
assert_equal(reread.info['compression'], orig.info['compression'])
@ -107,6 +108,15 @@ def test_adobe_deflate_tiff():
assert_no_exception(lambda: im.load())
def test_g3_compression():
i = Image.open('Tests/images/lena_g4_500.tif')
out = tempfile("temp.tif")
i.save(out, compression='group3')
reread = Image.open(out)
assert_equal(reread.info['compression'], 'group3')
assert_image_equal(reread, i)
def test_little_endian():
im = Image.open('Tests/images/12bit.deflate.tif')
assert_equal(im.getpixel((0,0)), 480)