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63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
from .helper import PillowTestCase, hopper
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from PIL import Image
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from PIL import WmfImagePlugin
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class TestFileWmf(PillowTestCase):
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def test_load_raw(self):
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# Test basic EMF open and rendering
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im = Image.open('Tests/images/drawing.emf')
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if hasattr(Image.core, "drawwmf"):
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# Currently, support for WMF/EMF is Windows-only
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im.load()
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# Compare to reference rendering
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imref = Image.open('Tests/images/drawing_emf_ref.png')
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imref.load()
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self.assert_image_similar(im, imref, 0)
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# Test basic WMF open and rendering
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im = Image.open('Tests/images/drawing.wmf')
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if hasattr(Image.core, "drawwmf"):
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# Currently, support for WMF/EMF is Windows-only
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im.load()
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# Compare to reference rendering
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imref = Image.open('Tests/images/drawing_wmf_ref.png')
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imref.load()
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self.assert_image_similar(im, imref, 2.0)
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def test_register_handler(self):
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class TestHandler:
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methodCalled = False
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def save(self, im, fp, filename):
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self.methodCalled = True
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handler = TestHandler()
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WmfImagePlugin.register_handler(handler)
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im = hopper()
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tmpfile = self.tempfile("temp.wmf")
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im.save(tmpfile)
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self.assertTrue(handler.methodCalled)
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# Restore the state before this test
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WmfImagePlugin.register_handler(None)
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def test_load_dpi_rounding(self):
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# Round up
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im = Image.open('Tests/images/drawing.emf')
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self.assertEqual(im.info["dpi"], 1424)
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# Round down
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im = Image.open('Tests/images/drawing_roundDown.emf')
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self.assertEqual(im.info["dpi"], 1426)
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def test_save(self):
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im = hopper()
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for ext in [".wmf", ".emf"]:
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tmpfile = self.tempfile("temp"+ext)
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self.assertRaises(IOError, im.save, tmpfile)
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