| from fontTools.misc.py23 import * |
| from fontTools.pens.basePen import \ |
| BasePen, decomposeSuperBezierSegment, decomposeQuadraticSegment |
| from fontTools.misc.loggingTools import CapturingLogHandler |
| import unittest |
| |
| |
| class _TestPen(BasePen): |
| def __init__(self): |
| BasePen.__init__(self, glyphSet={}) |
| self._commands = [] |
| |
| def __repr__(self): |
| return " ".join(self._commands) |
| |
| def getCurrentPoint(self): |
| return self._getCurrentPoint() |
| |
| def _moveTo(self, pt): |
| self._commands.append("%s %s moveto" % (pt[0], pt[1])) |
| |
| def _lineTo(self, pt): |
| self._commands.append("%s %s lineto" % (pt[0], pt[1])) |
| |
| def _curveToOne(self, bcp1, bcp2, pt): |
| self._commands.append("%s %s %s %s %s %s curveto" % |
| (bcp1[0], bcp1[1], |
| bcp2[0], bcp2[1], |
| pt[0], pt[1])) |
| |
| def _closePath(self): |
| self._commands.append("closepath") |
| |
| def _endPath(self): |
| self._commands.append("endpath") |
| |
| |
| class _TestGlyph: |
| def draw(self, pen): |
| pen.moveTo((0.0, 0.0)) |
| pen.lineTo((0.0, 100.0)) |
| pen.curveTo((50.0, 75.0), (60.0, 50.0), (50.0, 25.0), (0.0, 0.0)) |
| pen.closePath() |
| |
| |
| class BasePenTest(unittest.TestCase): |
| def test_moveTo(self): |
| pen = _TestPen() |
| pen.moveTo((0.5, -4.3)) |
| self.assertEqual("0.5 -4.3 moveto", repr(pen)) |
| self.assertEqual((0.5, -4.3), pen.getCurrentPoint()) |
| |
| def test_lineTo(self): |
| pen = _TestPen() |
| pen.moveTo((4, 5)) |
| pen.lineTo((7, 8)) |
| self.assertEqual("4 5 moveto 7 8 lineto", repr(pen)) |
| self.assertEqual((7, 8), pen.getCurrentPoint()) |
| |
| def test_curveTo_zeroPoints(self): |
| pen = _TestPen() |
| pen.moveTo((0.0, 0.0)) |
| self.assertRaises(AssertionError, pen.curveTo) |
| |
| def test_curveTo_onePoint(self): |
| pen = _TestPen() |
| pen.moveTo((0.0, 0.0)) |
| pen.curveTo((1.0, 1.1)) |
| self.assertEqual("0.0 0.0 moveto 1.0 1.1 lineto", repr(pen)) |
| self.assertEqual((1.0, 1.1), pen.getCurrentPoint()) |
| |
| def test_curveTo_twoPoints(self): |
| pen = _TestPen() |
| pen.moveTo((0.0, 0.0)) |
| pen.curveTo((6.0, 3.0), (3.0, 6.0)) |
| self.assertEqual("0.0 0.0 moveto 4.0 2.0 5.0 4.0 3.0 6.0 curveto", |
| repr(pen)) |
| self.assertEqual((3.0, 6.0), pen.getCurrentPoint()) |
| |
| def test_curveTo_manyPoints(self): |
| pen = _TestPen() |
| pen.moveTo((0.0, 0.0)) |
| pen.curveTo((1.0, 1.1), (2.0, 2.1), (3.0, 3.1), (4.0, 4.1)) |
| self.assertEqual("0.0 0.0 moveto " |
| "1.0 1.1 1.5 1.6 2.0 2.1 curveto " |
| "2.5 2.6 3.0 3.1 4.0 4.1 curveto", repr(pen)) |
| self.assertEqual((4.0, 4.1), pen.getCurrentPoint()) |
| |
| def test_qCurveTo_zeroPoints(self): |
| pen = _TestPen() |
| pen.moveTo((0.0, 0.0)) |
| self.assertRaises(AssertionError, pen.qCurveTo) |
| |
| def test_qCurveTo_onePoint(self): |
| pen = _TestPen() |
| pen.moveTo((0.0, 0.0)) |
| pen.qCurveTo((77.7, 99.9)) |
| self.assertEqual("0.0 0.0 moveto 77.7 99.9 lineto", repr(pen)) |
| self.assertEqual((77.7, 99.9), pen.getCurrentPoint()) |
| |
| def test_qCurveTo_manyPoints(self): |
| pen = _TestPen() |
| pen.moveTo((0.0, 0.0)) |
| pen.qCurveTo((6.0, 3.0), (3.0, 6.0)) |
| self.assertEqual("0.0 0.0 moveto 4.0 2.0 5.0 4.0 3.0 6.0 curveto", |
| repr(pen)) |
| self.assertEqual((3.0, 6.0), pen.getCurrentPoint()) |
| |
| def test_qCurveTo_onlyOffCurvePoints(self): |
| pen = _TestPen() |
| pen.moveTo((0.0, 0.0)) |
| pen.qCurveTo((6.0, -6.0), (12.0, 12.0), (18.0, -18.0), None) |
| self.assertEqual("0.0 0.0 moveto " |
| "12.0 -12.0 moveto " |
| "8.0 -8.0 7.0 -3.0 9.0 3.0 curveto " |
| "11.0 9.0 13.0 7.0 15.0 -3.0 curveto " |
| "17.0 -13.0 16.0 -16.0 12.0 -12.0 curveto", repr(pen)) |
| self.assertEqual((12.0, -12.0), pen.getCurrentPoint()) |
| |
| def test_closePath(self): |
| pen = _TestPen() |
| pen.lineTo((3, 4)) |
| pen.closePath() |
| self.assertEqual("3 4 lineto closepath", repr(pen)) |
| self.assertEqual(None, pen.getCurrentPoint()) |
| |
| def test_endPath(self): |
| pen = _TestPen() |
| pen.lineTo((3, 4)) |
| pen.endPath() |
| self.assertEqual("3 4 lineto endpath", repr(pen)) |
| self.assertEqual(None, pen.getCurrentPoint()) |
| |
| def test_addComponent(self): |
| pen = _TestPen() |
| pen.glyphSet["oslash"] = _TestGlyph() |
| pen.addComponent("oslash", (2, 3, 0.5, 2, -10, 0)) |
| self.assertEqual("-10.0 0.0 moveto " |
| "40.0 200.0 lineto " |
| "127.5 300.0 131.25 290.0 125.0 265.0 curveto " |
| "118.75 240.0 102.5 200.0 -10.0 0.0 curveto " |
| "closepath", repr(pen)) |
| self.assertEqual(None, pen.getCurrentPoint()) |
| |
| def test_addComponent_skip_missing(self): |
| pen = _TestPen() |
| with CapturingLogHandler(pen.log, "WARNING") as captor: |
| pen.addComponent("nonexistent", (1, 0, 0, 1, 0, 0)) |
| captor.assertRegex("glyph '.*' is missing from glyphSet; skipped") |
| |
| |
| class DecomposeSegmentTest(unittest.TestCase): |
| def test_decomposeSuperBezierSegment(self): |
| decompose = decomposeSuperBezierSegment |
| self.assertRaises(AssertionError, decompose, []) |
| self.assertRaises(AssertionError, decompose, [(0, 0)]) |
| self.assertRaises(AssertionError, decompose, [(0, 0), (1, 1)]) |
| self.assertEqual([((0, 0), (1, 1), (2, 2))], |
| decompose([(0, 0), (1, 1), (2, 2)])) |
| self.assertEqual( |
| [((0, 0), (2, -2), (4, 0)), ((6, 2), (8, 8), (12, -12))], |
| decompose([(0, 0), (4, -4), (8, 8), (12, -12)])) |
| |
| def test_decomposeQuadraticSegment(self): |
| decompose = decomposeQuadraticSegment |
| self.assertRaises(AssertionError, decompose, []) |
| self.assertRaises(AssertionError, decompose, [(0, 0)]) |
| self.assertEqual([((0,0), (4, 8))], decompose([(0, 0), (4, 8)])) |
| self.assertEqual([((0,0), (2, 4)), ((4, 8), (9, -9))], |
| decompose([(0, 0), (4, 8), (9, -9)])) |
| self.assertEqual( |
| [((0, 0), (2.0, 4.0)), ((4, 8), (6.5, -0.5)), ((9, -9), (10, 10))], |
| decompose([(0, 0), (4, 8), (9, -9), (10, 10)])) |
| |
| |
| if __name__ == '__main__': |
| import sys |
| sys.exit(unittest.main()) |