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import unittest
from PySide.QtCore import QPoint
from PySide.QtGui import QMatrix, QMatrix4x4
def qpointTimesQMatrix(point, matrix):
'''As seen in "QPoint QMatrix::map(const QPoint &p) const" C++ implementation.'''
return QPoint(matrix.m11() * point.x() + matrix.m21() * point.y() + matrix.dx(),
matrix.m12() * point.x() + matrix.m22() * point.y() + matrix.dy())
class QMatrixTest(unittest.TestCase):
def testMatrix(self):
matrix = QMatrix(11, 12, 21, 22, 100, 200)
point = QPoint(3, 3)
self.assertEqual(point * matrix, qpointTimesQMatrix(point, matrix))
def testMatrixWithWrongType(self):
matrix = QMatrix(11, 12, 21, 22, 100, 200)
point = QPoint(3, 3)
self.assertRaises(TypeError, matrix.__mul__, point)
def testMatrix4x4(self):
self.assertRaises(TypeError, QMatrix4x4, [0.0, 1.0, 2.0, 3.0])
self.assertRaises(TypeError, QMatrix4x4, [0.0, 1.0, 2.0, 'I',
4.0, 5.0, 6.0, 7.0,
8.0, 9.0, 'N', 11.0,
12.0, 'd', 14.0, 'T'])
my_data = [0.0, 1.0, 2.0, 3.0,
4.0, 5.0, 6.0, 7.0,
8.0, 9.0, 10.0, 11.0,
12.0, 13.0, 14.0, 15.0]
my_datac = [0.0, 4.0, 8.0, 12.0,
1.0, 5.0, 9.0, 13.0,
2.0, 6.0, 10.0, 14.0,
3.0, 7.0, 11.0, 15.0]
m = QMatrix4x4(my_data)
d = m.data()
self.assert_(my_datac, d)
d = m.copyDataTo()
self.assert_(my_data == list(d))
def testMatrixMapping(self):
m = QMatrix(1.0, 2.0, 1.0, 3.0, 100.0, 200.0)
res = m.map(5, 5)
self.assertAlmostEqual(res[0], 5 * 1.0 + 5 * 1.0 + 100.0)
self.assertAlmostEqual(res[1], 5 * 2.0 + 5 * 3.0 + 200.0)
res = m.map(5.0, 5.0)
self.assertAlmostEqual(res[0], 5.0 * 1.0 + 5.0 * 1.0 + 100.0)
self.assertAlmostEqual(res[1], 5.0 * 2.0 + 5.0 * 3.0 + 200.0)
if __name__ == '__main__':
unittest.main()
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