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Add TTGlyphPen test for scale limits

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Denis Moyogo Jacquerye 2018-03-01 11:53:10 +00:00 committed by Cosimo Lupo
parent 098d9ecf6f
commit 85e363c216
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1 changed files with 76 additions and 0 deletions
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Tests/pens/ttGlyphPen_test.py
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@ -135,6 +135,82 @@ class TTGlyphPenTest(unittest.TestCase):
self.assertEqual(len(pen.points), 5)
self.assertEqual(pen.points[0], (0, 0))
def test_within_range_of_scale_component(self):
componentName = 'a'
glyphSet = {}
pen = TTGlyphPen(glyphSet)
pen.moveTo((0, 0))
pen.lineTo((0, 1))
pen.lineTo((1, 0))
pen.closePath()
glyphSet[componentName] = _TestGlyph(pen.glyph())
pen.addComponent(componentName, (1.5, 0, 0, 1, 0, 0))
pen.addComponent(componentName, (1, 0, 0, -1.5, 0, 0))
compositeGlyph = pen.glyph()
pen.addComponent(componentName, (1.5, 0, 0, 1, 0, 0))
pen.addComponent(componentName, (1, 0, 0, -1.5, 0, 0))
expectedGlyph = pen.glyph()
self.assertEqual(expectedGlyph, compositeGlyph)
def test_limit_of_scale_component(self):
componentName = 'a'
glyphSet = {}
pen = TTGlyphPen(glyphSet)
pen.moveTo((0, 0))
pen.lineTo((0, 1))
pen.lineTo((1, 0))
pen.closePath()
glyphSet[componentName] = _TestGlyph(pen.glyph())
pen.addComponent(componentName, (1.99999, 0, 0, 1, 0, 0))
pen.addComponent(componentName, (1, 2, 0, 1, 0, 0))
pen.addComponent(componentName, (1, 0, 2, 1, 0, 0))
pen.addComponent(componentName, (1, 0, 0, 2, 0, 0))
pen.addComponent(componentName, (-2, 0, 0, -2, 0, 0))
compositeGlyph = pen.glyph()
almost2 = 1.99993896484375 # 0b1.11111111111111
pen.addComponent(componentName, (almost2, 0, 0, 1, 0, 0))
pen.addComponent(componentName, (1, almost2, 0, 1, 0, 0))
pen.addComponent(componentName, (1, 0, almost2, 1, 0, 0))
pen.addComponent(componentName, (1, 0, 0, almost2, 0, 0))
pen.addComponent(componentName, (-2, 0, 0, -2, 0, 0))
expectedGlyph = pen.glyph()
self.assertEqual(expectedGlyph, compositeGlyph)
def test_out_of_range_scale_component(self):
componentName = 'a'
glyphSet = {}
pen = TTGlyphPen(glyphSet)
pen.moveTo((0, 0))
pen.lineTo((0, 1))
pen.lineTo((1, 0))
pen.closePath()
glyphSet[componentName] = _TestGlyph(pen.glyph())
pen.addComponent(componentName, (3, 0, 0, 1, 0, 0))
pen.addComponent(componentName, (1, 0, 0, -3, 0, 0))
compositeGlyph = pen.glyph()
pen.moveTo((0, 0))
pen.lineTo((0, 1))
pen.lineTo((3, 0))
pen.closePath()
pen.moveTo((0, 0))
pen.lineTo((0, -3))
pen.lineTo((1, 0))
pen.closePath()
expectedGlyph = pen.glyph()
self.assertEqual(expectedGlyph, compositeGlyph)
class _TestGlyph(object):
def __init__(self, glyph):