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adding memset test
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@ -41,6 +41,8 @@ def test_mesh():
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w,h,w,0))], # ul -> ccw around quad
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Image.BILINEAR)
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transformed.save('transformed.png')
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scaled = im.resize((w/2, h/2), Image.BILINEAR)
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checker = Image.new('RGBA', im.size)
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@ -51,8 +53,30 @@ def test_mesh():
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# now, check to see that the extra area is (0,0,0,0)
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blank = Image.new('RGBA', (w/2,h/2), (0,0,0,0))
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assert_image_equal(blank, transformed.crop((w/2,0,w,h/2)))
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assert_image_equal(blank, transformed.crop((0,h/2,w/2,h)))
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def test_blank_fill():
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# attempting to hit
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# https://github.com/python-imaging/Pillow/issues/254 reported
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#
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# issue is that transforms with transparent overflow area
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# contained junk from previous images, especially on systems with
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# constrained memory. So, attempt to fill up memory with a
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# pattern, free it, and then run the mesh test again. Using a 1Mp
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# image with 4 bands, for 4 megs of data allocated, x 64. OMM (64
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# bit 12.04 VM with 512 megs available, this fails with Pillow <
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# a0eaf06cc5f62a6fb6de556989ac1014ff3348ea
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#
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# Running by default, but I'd totally understand not doing it in
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# the future
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foo = [Image.new('RGBA',(1024,1024), (a,a,a,a))
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for a in range(1,65)]
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# Yeah. Watch some JIT optimize this out.
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foo = None
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test_mesh()
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