def testOpaqueness(self): ims_opaque = RGBAImageSource(self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue, alpha_missing_value=255), guarantees_opaqueness=True) self.assertTrue(ims_opaque.isOpaque()) ims_notopaque = RGBAImageSource( self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue, alpha_missing_value=100)) self.assertFalse(ims_notopaque.isOpaque())
def testOpaqueness(self): ims_opaque = RGBAImageSource( self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue, alpha_missing_value=255), guarantees_opaqueness=True, ) self.assertTrue(ims_opaque.isOpaque()) ims_notopaque = RGBAImageSource( self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue, alpha_missing_value=100), ) self.assertFalse(ims_notopaque.isOpaque())