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60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
from helper import unittest, PillowTestCase, hopper
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try:
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from PIL import ImageQt
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from PyQt5.QtGui import QImage, qRgb, qRgba
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except:
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try:
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from PyQt4.QtGui import QImage, qRgb, qRgba
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except:
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try:
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from PySide.QtGui import QImage, qRgb, qRgba
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except:
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# Will be skipped in setUp
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pass
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class TestImageQt(PillowTestCase):
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def setUp(self):
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try:
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from PyQt5.QtGui import QImage, qRgb, qRgba
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except ImportError:
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try:
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from PyQt4.QtGui import QImage, qRgb, qRgba
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except ImportError:
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try:
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from PySide.QtGui import QImage, qRgb, qRgba
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except ImportError:
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self.skipTest('PyQt4 or 5 or PySide not installed')
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def test_rgb(self):
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# from https://qt-project.org/doc/qt-4.8/qcolor.html
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# typedef QRgb
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# An ARGB quadruplet on the format #AARRGGBB,
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# equivalent to an unsigned int.
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self.assertEqual(qRgb(0, 0, 0), qRgba(0, 0, 0, 255))
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def checkrgb(r, g, b):
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val = ImageQt.rgb(r, g, b)
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val = val % 2**24 # drop the alpha
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self.assertEqual(val >> 16, r)
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self.assertEqual(((val >> 8) % 2**8), g)
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self.assertEqual(val % 2**8, b)
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checkrgb(0, 0, 0)
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checkrgb(255, 0, 0)
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checkrgb(0, 255, 0)
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checkrgb(0, 0, 255)
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def test_image(self):
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for mode in ('1', 'RGB', 'RGBA', 'L', 'P'):
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ImageQt.ImageQt(hopper(mode))
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if __name__ == '__main__':
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unittest.main()
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# End of file
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