def testFirstFullyOpaque( self ):
lsm = LayerStackModel()
sims = StackedImageSources( lsm )
self.assertEqual(sims.firstFullyOpaque(), None)
lsm.append(self.layer1)
lsm.append(self.layer2)
lsm.append(self.layer3)
self.assertEqual( lsm.layerIndex(self.layer1), 2 )
self.assertEqual( lsm.layerIndex(self.layer2), 1 )
self.assertEqual( lsm.layerIndex(self.layer3), 0 )
sims.register(self.layer1, self.ims1)
sims.register(self.layer2, self.ims2)
sims.register(self.layer3, self.ims3)
self.assertEqual(sims.firstFullyOpaque(), 0)
lsm.clear()
sims = StackedImageSources( lsm )
lsm.append(self.layer2)
lsm.append(self.layer3)
lsm.append(self.layer1)
self.assertEqual( lsm.layerIndex(self.layer1), 0 )
self.assertEqual( lsm.layerIndex(self.layer2), 2 )
self.assertEqual( lsm.layerIndex(self.layer3), 1 )
sims.register(self.layer1, self.ims1)
sims.register(self.layer2, self.ims2)
sims.register(self.layer3, self.ims3)
self.assertEqual(sims.firstFullyOpaque(), 1)
lsm.clear()
sims = StackedImageSources( lsm )
lsm.append(self.layer2)
lsm.append(self.layer1)
self.assertEqual( lsm.layerIndex(self.layer1), 0 )
self.assertEqual( lsm.layerIndex(self.layer2), 1 )
sims.register(self.layer1, self.ims1)
sims.register(self.layer2, self.ims2)
self.assertEqual(sims.firstFullyOpaque(), None)
lsm.clear()
def testFirstFullyOpaque(self):
lsm = LayerStackModel()
sims = StackedImageSources(lsm)
self.assertEqual(sims.firstFullyOpaque(), None)
lsm.append(self.layer1)
lsm.append(self.layer2)
lsm.append(self.layer3)
self.assertEqual(lsm.layerIndex(self.layer1), 2)
self.assertEqual(lsm.layerIndex(self.layer2), 1)
self.assertEqual(lsm.layerIndex(self.layer3), 0)
sims.register(self.layer1, self.ims1)
sims.register(self.layer2, self.ims2)
sims.register(self.layer3, self.ims3)
self.assertEqual(sims.firstFullyOpaque(), 0)
lsm.clear()
sims = StackedImageSources(lsm)
lsm.append(self.layer2)
lsm.append(self.layer3)
lsm.append(self.layer1)
self.assertEqual(lsm.layerIndex(self.layer1), 0)
self.assertEqual(lsm.layerIndex(self.layer2), 2)
self.assertEqual(lsm.layerIndex(self.layer3), 1)
sims.register(self.layer1, self.ims1)
sims.register(self.layer2, self.ims2)
sims.register(self.layer3, self.ims3)
self.assertEqual(sims.firstFullyOpaque(), 1)
lsm.clear()
sims = StackedImageSources(lsm)
lsm.append(self.layer2)
lsm.append(self.layer1)
self.assertEqual(lsm.layerIndex(self.layer1), 0)
self.assertEqual(lsm.layerIndex(self.layer2), 1)
sims.register(self.layer1, self.ims1)
sims.register(self.layer2, self.ims2)
self.assertEqual(sims.firstFullyOpaque(), None)
lsm.clear()
