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Merge pull request #225 from wiredfool/pr224

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Fix Image.fromarray with NumPy arrays: Supersedes PR #224
This commit is contained in:
Alex Clark ☺ 2013-05-23 05:51:58 -07:00
commit a9fd1f4a94
2 changed files with 12 additions and 1 deletions
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5
PIL/Image.py
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@ -1932,7 +1932,10 @@ def fromarray(obj, mode=None):
size = shape[1], shape[0]
if strides is not None:
obj = obj.tobytes()
if hasattr(obj, 'tobytes'):
obj = obj.tobytes()
else:
obj = obj.tostring()
return frombuffer(mode, size, obj, "raw", rawmode, 0, 1)

8
Tests/test_numpy.py
View File

@ -54,3 +54,11 @@ def test_numpy_to_image():
assert_image(to_image(numpy.uint8, 3), "RGB", (10, 10))
assert_image(to_image(numpy.uint8, 4), "RGBA", (10, 10))
# based on an erring example at http://is.gd/6F0esS
def test_3d_array():
a = numpy.ones((10, 10, 10), dtype=numpy.uint8)
assert_image(Image.fromarray(a[1, :, :]), "L", (10, 10))
assert_image(Image.fromarray(a[:, 1, :]), "L", (10, 10))
assert_image(Image.fromarray(a[:, :, 1]), "L", (10, 10))