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31 lines
906 B
Python
31 lines
906 B
Python
from tester import *
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from PIL import Image
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codecs = dir(Image.core)
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if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs:
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skip("jpeg support not available")
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filename = "Images/lena.jpg"
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data = tostring(Image.open(filename).resize((512, 512)), "JPEG")
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def draft(mode, size):
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im = fromstring(data)
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im.draft(mode, size)
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return im
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def test_size():
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assert_equal(draft("RGB", (512, 512)).size, (512, 512))
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assert_equal(draft("RGB", (256, 256)).size, (256, 256))
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assert_equal(draft("RGB", (128, 128)).size, (128, 128))
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assert_equal(draft("RGB", (64, 64)).size, (64, 64))
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assert_equal(draft("RGB", (32, 32)).size, (64, 64))
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def test_mode():
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assert_equal(draft("1", (512, 512)).mode, "RGB")
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assert_equal(draft("L", (512, 512)).mode, "L")
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assert_equal(draft("RGB", (512, 512)).mode, "RGB")
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assert_equal(draft("YCbCr", (512, 512)).mode, "YCbCr")
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