def test_curved(self): # Arrange middle = 0.5 pos = 0.75 # Act ret = GimpGradientFile.curved(middle, pos) # Assert self.assertEqual(ret, 0.75)
def test_sphere_increasing(): # Arrange middle = 0.5 pos = 0.75 # Act ret = GimpGradientFile.sphere_increasing(middle, pos) # Assert assert round(abs(ret - 0.9682458365518543), 7) == 0
def test_linear_pos_gt_small_middle(): # Arrange middle = 1 - 1e-11 pos = 1 - 1e-12 # Act ret = GimpGradientFile.linear(middle, pos) # Assert assert ret == 1.0
def test_curved(): # Arrange middle = 0.5 pos = 0.75 # Act ret = GimpGradientFile.curved(middle, pos) # Assert assert ret == 0.75
def test_sphere_decreasing(self): # Arrange middle = 0.5 pos = 0.75 # Act ret = GimpGradientFile.sphere_decreasing(middle, pos) # Assert self.assertEqual(ret, 0.3385621722338523)
def test_linear_pos_le_middle(): # Arrange middle = 0.5 pos = 0.25 # Act ret = GimpGradientFile.linear(middle, pos) # Assert assert ret == 0.25
def test_sphere_increasing(self): # Arrange middle = 0.5 pos = 0.75 # Act ret = GimpGradientFile.sphere_increasing(middle, pos) # Assert self.assertAlmostEqual(ret, 0.9682458365518543)
def test_linear_pos_le_middle(self): # Arrange middle = 0.5 pos = 0.25 # Act ret = GimpGradientFile.linear(middle, pos) # Assert self.assertEqual(ret, 0.25)
def test_sine(self): # Arrange middle = 0.5 pos = 0.75 # Act ret = GimpGradientFile.sine(middle, pos) # Assert self.assertEqual(ret, 0.8535533905932737)
def test_sphere_decreasing(): # Arrange middle = 0.5 pos = 0.75 # Act ret = GimpGradientFile.sphere_decreasing(middle, pos) # Assert assert ret == 0.3385621722338523
def test_sine(): # Arrange middle = 0.5 pos = 0.75 # Act ret = GimpGradientFile.sine(middle, pos) # Assert assert ret == 0.8535533905932737
def test_sphere_increasing(self): # Arrange middle = 0.5 pos = 0.75 # Act ret = GimpGradientFile.sphere_increasing(middle, pos) # Assert self.assert_almost_equal(ret, 0.9682458365518543)
def test_linear_pos_gt_small_middle(self): # Arrange middle = 1 - 1e-11 pos = 1 - 1e-12 # Act ret = GimpGradientFile.linear(middle, pos) # Assert self.assertEqual(ret, 1.0)
def load(filename): # FIXME: supports GIMP gradients only fp = open(filename, "rb") lut = None if not lut: try: from PIL import GimpPaletteFile fp.seek(0) p = GimpPaletteFile.GimpPaletteFile(fp) lut = p.getpalette() except (SyntaxError, ValueError): # import traceback # traceback.print_exc() pass if not lut: try: from PIL import GimpGradientFile fp.seek(0) p = GimpGradientFile.GimpGradientFile(fp) lut = p.getpalette() except (SyntaxError, ValueError): # import traceback # traceback.print_exc() pass if not lut: try: from PIL import PaletteFile fp.seek(0) p = PaletteFile.PaletteFile(fp) lut = p.getpalette() except (SyntaxError, ValueError): #import traceback #traceback.print_exc() pass if not lut: raise IOError("cannot load palette") return lut # data, rawmode