Files
OpenColorIO/tests/python/MatrixTransformTest.py
Bernard LefebvreandPatrick Hodoul c033d11ee3 Adsk Contrib - Python repr and LogCameraTransform fixes (#1270)
* Fix issues 1255 & 1256

Signed-off-by: Bernard Lefebvre <bernard.lefebvre@autodesk.com>

* Revert unwanted rst changes

Signed-off-by: Bernard Lefebvre <bernard.lefebvre@autodesk.com>

Co-authored-by: Patrick Hodoul <patrick.hodoul@autodesk.com>
2021-01-20 22:07:54 -05:00

98 lines
3.8 KiB
Python

# SPDX-License-Identifier: BSD-3-Clause
# Copyright Contributors to the OpenColorIO Project.
import unittest
import PyOpenColorIO as OCIO
class MatrixTransformTest(unittest.TestCase):
def test_interface(self):
"""
Test constructor and accessors.
"""
mt = OCIO.MatrixTransform()
mmt = OCIO.MatrixTransform()
mt.setMatrix([0.1, 0.2, 0.3, 0.4,
0.5, 0.6, 0.7, 0.8,
0.9, 1.0, 1.1, 1.2,
1.3, 1.4, 1.5, 1.6])
mt.setOffset([0.1, 0.2, 0.3, 0.4])
self.assertEqual(False, mt.equals(mmt))
m44_1 = mt.getMatrix()
offset_1 = mt.getOffset()
self.assertAlmostEqual(0.3, m44_1[2], delta=1e-7)
self.assertAlmostEqual(0.2, offset_1[1], delta=1e-7)
mfit = mt.Fit([0.1, 0.1, 0.1, 0.1],
[0.9, 0.9, 0.9, 0.9],
[0.0, 0.0, 0.0, 0.0],
[1.1, 1.1, 1.1, 1.1])
m44_2 = mfit.getMatrix()
offset_2 = mfit.getOffset()
self.assertAlmostEqual(1.375, m44_2[0], delta=1e-7)
mid = mt.Identity()
m44_3 = mid.getMatrix()
offset_3 = mid.getOffset()
self.assertAlmostEqual(0.0, m44_3[1], delta=1e-7)
msat = mt.Sat(0.5, [0.2126, 0.7152, 0.0722])
m44_2 = msat.getMatrix()
offset_2 = msat.getOffset()
self.assertAlmostEqual(0.3576, m44_2[1], delta=1e-7)
mscale = mt.Scale([0.9, 0.8, 0.7, 1.])
m44_2 = mscale.getMatrix()
offset_2 = mscale.getOffset()
self.assertAlmostEqual(0.9, m44_2[0], delta=1e-7)
mview = mt.View([1, 1, 1, 0], [0.2126, 0.7152, 0.0722])
m44_2 = mview.getMatrix()
offset_2 = mview.getOffset()
self.assertAlmostEqual(0.0722, m44_2[2], delta=1e-7)
mt4 = OCIO.MatrixTransform([0.1, 0.2, 0.3, 0.4,
0.5, 0.6, 0.7, 0.8,
0.9, 1.0, 1.1, 1.2,
1.3, 1.4, 1.5, 1.6],
[0.1, 0.2, 0.3, 0.4],
OCIO.TRANSFORM_DIR_INVERSE)
m44_4 = mt4.getMatrix()
offset_4 = mt4.getOffset()
for i in range(0, 16):
self.assertAlmostEqual(float(i+1)/10.0, m44_4[i], delta=1e-7)
for i in range(0, 4):
self.assertAlmostEqual(float(i+1)/10.0, offset_4[i], delta=1e-7)
self.assertEqual(mt4.getDirection(), OCIO.TRANSFORM_DIR_INVERSE)
mt5 = OCIO.MatrixTransform(matrix=[0.1, 0.2, 0.3, 0.4,
0.5, 0.6, 0.7, 0.8,
0.9, 1.0, 1.1, 1.2,
1.3, 1.4, 1.5, 1.6],
offset=[0.1, 0.2, 0.3, 0.4],
direction=OCIO.TRANSFORM_DIR_INVERSE)
m44_5 = mt5.getMatrix()
offset_5 = mt5.getOffset()
for i in range(0, 16):
self.assertAlmostEqual(float(i+1)/10.0, m44_5[i], delta=1e-7)
for i in range(0, 4):
self.assertAlmostEqual(float(i+1)/10.0, offset_5[i], delta=1e-7)
self.assertEqual(mt5.getDirection(), OCIO.TRANSFORM_DIR_INVERSE)
def test_direction(self):
"""
Test the setDirection() and getDirection() methods.
"""
mt = OCIO.MatrixTransform()
# Default initialized direction is forward.
self.assertEqual(mt.getDirection(), OCIO.TRANSFORM_DIR_FORWARD)
for direction in OCIO.TransformDirection.__members__.values():
mt.setDirection(direction)
self.assertEqual(mt.getDirection(), direction)
# Wrong type tests.
for invalid in (None, 1, 'test'):
with self.assertRaises(TypeError):
mt.setDirection(invalid)