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Corrects fromarray() datatype mapping for integer datatypes.

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Currently failing for int16LE as of this commit.
This commit is contained in:
Bryant Mairs 2016-04-11 11:33:41 -07:00 committed by wiredfool
parent 7fb24e8af0
commit 7d5856bdf7
2 changed files with 22 additions and 9 deletions
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12
PIL/Image.py
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@ -2210,10 +2210,14 @@ _fromarray_typemap = {
# ((1, 1), "|b1"): ("1", "1"), # broken
((1, 1), "|u1"): ("L", "L"),
((1, 1), "|i1"): ("I", "I;8"),
((1, 1), "<i2"): ("I", "I;16"),
((1, 1), ">i2"): ("I", "I;16B"),
((1, 1), "<i4"): ("I", "I;32"),
((1, 1), ">i4"): ("I", "I;32B"),
((1, 1), "<u2"): ("I", "I;16"),
((1, 1), ">u2"): ("I", "I;16B"),
((1, 1), "<i2"): ("I", "I;16S"),
((1, 1), ">i2"): ("I", "I;16BS"),
((1, 1), "<u4"): ("I", "I;32"),
((1, 1), ">u4"): ("I", "I;32B"),
((1, 1), "<i4"): ("I", "I;32S"),
((1, 1), ">i4"): ("I", "I;32BS"),
((1, 1), "<f4"): ("F", "F;32F"),
((1, 1), ">f4"): ("F", "F;32BF"),
((1, 1), "<f8"): ("F", "F;64F"),

19
Tests/test_numpy.py
View File

@ -55,19 +55,28 @@ class TestNumpy(PillowTestCase):
self.assert_image(to_image(numpy.int8), "I", TestNumpy.TEST_IMAGE_SIZE)
# Check non-fixed-size integer types
self.assertRaises(TypeError, lambda: to_image(numpy.uint))
self.assert_image(to_image(numpy.uint), "I", TestNumpy.TEST_IMAGE_SIZE)
self.assert_image(to_image(numpy.int), "I", TestNumpy.TEST_IMAGE_SIZE)
# Check 16-bit integer formats
if Image._ENDIAN == '<':
self.assert_image(to_image(numpy.uint16), "I;16L", TestNumpy.TEST_IMAGE_SIZE)
self.assert_image(to_image(numpy.uint16), "I;16", TestNumpy.TEST_IMAGE_SIZE)
else:
self.assert_image(to_image(numpy.uint16), "I;16B", TestNumpy.TEST_IMAGE_SIZE)
self.assertRaises(TypeError, lambda: to_image(numpy.int16))
if Image._ENDIAN == '<':
self.assert_image(to_image(numpy.int16), "I;16S", TestNumpy.TEST_IMAGE_SIZE)
else:
self.assert_image(to_image(numpy.int16), "I;16BS", TestNumpy.TEST_IMAGE_SIZE)
# Check 32-bit integer formats
self.assertRaises(TypeError, lambda: to_image(numpy.uint32))
self.assert_image(to_image(numpy.int32), "I", TestNumpy.TEST_IMAGE_SIZE)
if Image._ENDIAN == '<':
self.assert_image(to_image(numpy.uint32), "I;32", TestNumpy.TEST_IMAGE_SIZE)
else:
self.assert_image(to_image(numpy.uint32), "I;32B", TestNumpy.TEST_IMAGE_SIZE)
if Image._ENDIAN == '<':
self.assert_image(to_image(numpy.int32), "I;32S", TestNumpy.TEST_IMAGE_SIZE)
else:
self.assert_image(to_image(numpy.int32), "I;32BS", TestNumpy.TEST_IMAGE_SIZE)
# Check 64-bit integer formats
self.assertRaises(TypeError, lambda: to_image(numpy.uint64))