from PyObjCTools.TestSupport import *
from Quartz.CoreGraphics import *
class TestCGGradient (TestCase):
@min_os_level('10.5')
def testTypes(self):
self.assertIsCFType(CGGradientRef)
@min_os_level('10.5')
def testConstants(self):
self.assertEqual(kCGGradientDrawsBeforeStartLocation, 1)
self.assertEqual(kCGGradientDrawsAfterEndLocation, 2)
@min_os_level('10.5')
def testFunctions(self):
self.assertIsInstance(CGGradientGetTypeID(), (int, long))
self.assertResultIsCFRetained(CGGradientCreateWithColorComponents)
gradient = CGGradientCreateWithColorComponents(CGColorSpaceCreateDeviceRGB(),
(0, 0, 0, 1, 0.2, 0.4, 0.2, 1, 0.8, 0.8, 0.8, 1), (0, 0.8, 0.95), 3)
self.assertIsInstance(gradient, CGGradientRef)
self.assertResultIsCFRetained(CGGradientCreateWithColors)
gradient = CGGradientCreateWithColors(CGColorSpaceCreateDeviceRGB(),
(CGColorCreateGenericRGB(0, 0, 0, 1), CGColorCreateGenericRGB(0, 0.2, 0.2, 1.0)),
(0.2, 0.9))
v = CGGradientRetain(gradient)
self.assertTrue(v is gradient)
CGGradientRelease(gradient)
if __name__ == "__main__":
main()
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