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