153 lines
4.3 KiB
Python
153 lines
4.3 KiB
Python
from __future__ import print_function, division, absolute_import
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from fontTools.misc.py23 import *
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import os
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import unittest
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from fontTools import ttLib
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from fontTools.pens.ttGlyphPen import TTGlyphPen
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class TTGlyphPenTest(unittest.TestCase):
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def runEndToEnd(self, filename):
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font = ttLib.TTFont()
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ttx_path = os.path.join(
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os.path.abspath(os.path.dirname(os.path.realpath(__file__))),
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'..', 'ttLib', 'testdata', filename)
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font.importXML(ttx_path)
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glyphSet = font.getGlyphSet()
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glyfTable = font['glyf']
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pen = TTGlyphPen(font.getGlyphSet())
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for name in font.getGlyphOrder():
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oldGlyph = glyphSet[name]
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oldGlyph.draw(pen)
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oldGlyph = oldGlyph._glyph
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newGlyph = pen.glyph()
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if hasattr(oldGlyph, 'program'):
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newGlyph.program = oldGlyph.program
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self.assertEqual(
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oldGlyph.compile(glyfTable), newGlyph.compile(glyfTable))
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def test_e2e_linesAndSimpleComponents(self):
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self.runEndToEnd('TestTTF-Regular.ttx')
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def test_e2e_curvesAndComponentTransforms(self):
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self.runEndToEnd('TestTTFComplex-Regular.ttx')
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def test_moveTo_errorWithinContour(self):
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pen = TTGlyphPen(None)
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pen.moveTo((0, 0))
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with self.assertRaises(AssertionError):
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pen.moveTo((1, 0))
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def test_closePath_ignoresAnchors(self):
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pen = TTGlyphPen(None)
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pen.moveTo((0, 0))
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pen.closePath()
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self.assertFalse(pen.points)
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self.assertFalse(pen.types)
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self.assertFalse(pen.endPts)
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def test_endPath_sameAsClosePath(self):
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pen = TTGlyphPen(None)
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pen.moveTo((0, 0))
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pen.lineTo((0, 1))
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pen.lineTo((1, 0))
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pen.closePath()
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closePathGlyph = pen.glyph()
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pen.moveTo((0, 0))
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pen.lineTo((0, 1))
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pen.lineTo((1, 0))
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pen.endPath()
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endPathGlyph = pen.glyph()
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self.assertEqual(closePathGlyph, endPathGlyph)
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def test_glyph_errorOnUnendedContour(self):
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pen = TTGlyphPen(None)
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pen.moveTo((0, 0))
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with self.assertRaises(AssertionError):
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pen.glyph()
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def test_glyph_decomposes(self):
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componentName = 'a'
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glyphSet = {}
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pen = TTGlyphPen(glyphSet)
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pen.moveTo((0, 0))
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pen.lineTo((0, 1))
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pen.lineTo((1, 0))
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pen.closePath()
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glyphSet[componentName] = _TestGlyph(pen.glyph())
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pen.moveTo((0, 0))
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pen.lineTo((0, 1))
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pen.lineTo((1, 0))
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pen.closePath()
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pen.addComponent(componentName, (1, 0, 0, 1, 2, 0))
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compositeGlyph = pen.glyph()
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pen.moveTo((0, 0))
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pen.lineTo((0, 1))
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pen.lineTo((1, 0))
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pen.closePath()
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pen.moveTo((2, 0))
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pen.lineTo((2, 1))
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pen.lineTo((3, 0))
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pen.closePath()
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plainGlyph = pen.glyph()
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self.assertEqual(plainGlyph, compositeGlyph)
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def test_remove_extra_move_points(self):
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pen = TTGlyphPen(None)
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pen.moveTo((0, 0))
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pen.lineTo((100, 0))
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pen.qCurveTo((100, 50), (50, 100), (0, 0))
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pen.closePath()
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self.assertEqual(len(pen.points), 4)
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self.assertEqual(pen.points[0], (0, 0))
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def test_keep_move_point(self):
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pen = TTGlyphPen(None)
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pen.moveTo((0, 0))
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pen.lineTo((100, 0))
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pen.qCurveTo((100, 50), (50, 100), (30, 30))
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# when last and move pts are different, closePath() implies a lineTo
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pen.closePath()
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self.assertEqual(len(pen.points), 5)
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self.assertEqual(pen.points[0], (0, 0))
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def test_keep_duplicate_end_point(self):
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pen = TTGlyphPen(None)
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pen.moveTo((0, 0))
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pen.lineTo((100, 0))
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pen.qCurveTo((100, 50), (50, 100), (0, 0))
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pen.lineTo((0, 0)) # the duplicate point is not removed
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pen.closePath()
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self.assertEqual(len(pen.points), 5)
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self.assertEqual(pen.points[0], (0, 0))
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class _TestGlyph(object):
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def __init__(self, glyph):
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self.coordinates = glyph.coordinates
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def draw(self, pen):
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pen.moveTo(self.coordinates[0])
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for point in self.coordinates[1:]:
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pen.lineTo(point)
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pen.closePath()
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if __name__ == '__main__':
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import sys
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sys.exit(unittest.main())
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