def test_out_of_range_transform_decomposed(self):
componentName = "a"
glyphSet = {}
pen = TTGlyphPointPen(glyphSet)
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, 1), "line")
pen.addPoint((1, 0), "line")
pen.endPath()
glyphSet[componentName] = _TestGlyph(pen.glyph())
pen.addComponent(componentName, (3, 0, 0, 2, 0, 0))
pen.addComponent(componentName, (1, 0, 0, 1, -1, 2))
pen.addComponent(componentName, (2, 0, 0, -3, 0, 0))
compositeGlyph = pen.glyph()
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, 2), "line")
pen.addPoint((3, 0), "line")
pen.endPath()
pen.beginPath()
pen.addPoint((-1, 2), "line")
pen.addPoint((-1, 3), "line")
pen.addPoint((0, 2), "line")
pen.endPath()
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, -3), "line")
pen.addPoint((2, 0), "line")
pen.endPath()
expectedGlyph = pen.glyph()
assert expectedGlyph == compositeGlyph
def test_scaled_component_bounds(self):
glyphSet = {}
pen = TTGlyphPointPen(glyphSet)
pen.beginPath()
pen.addPoint((-231, 939), "line")
pen.addPoint((-55, 939), "line")
pen.addPoint((-55, 745), "line")
pen.addPoint((-231, 745), "line")
pen.endPath()
glyphSet["gravecomb"] = pen.glyph()
pen = TTGlyphPointPen(glyphSet)
pen.beginPath()
pen.addPoint((-278, 939), "line")
pen.addPoint((8, 939), "line")
pen.addPoint((8, 745), "line")
pen.addPoint((-278, 745), "line")
pen.endPath()
glyphSet["circumflexcomb"] = pen.glyph()
pen = TTGlyphPointPen(glyphSet)
pen.addComponent("circumflexcomb", (1, 0, 0, 1, 0, 0))
pen.addComponent("gravecomb", (0.9, 0, 0, 0.9, 198, 180))
glyphSet["uni0302_uni0300"] = uni0302_uni0300 = pen.glyph()
uni0302_uni0300.recalcBounds(glyphSet)
self.assertGlyphBoundsEqual(uni0302_uni0300, (-278, 745, 148, 1025))
def test_glyph_decomposes(self):
componentName = "a"
glyphSet = {}
pen = TTGlyphPointPen(glyphSet)
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, 1), "line")
pen.addPoint((1, 0), "line")
pen.endPath()
glyphSet[componentName] = _TestGlyph(pen.glyph())
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, 1), "line")
pen.addPoint((1, 0), "line")
pen.endPath()
pen.addComponent(componentName, (1, 0, 0, 1, 2, 0))
pen.addComponent("missing", (1, 0, 0, 1, 0, 0)) # skipped
compositeGlyph = pen.glyph()
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, 1), "line")
pen.addPoint((1, 0), "line")
pen.endPath()
pen.beginPath()
pen.addPoint((2, 0), "line")
pen.addPoint((2, 1), "line")
pen.addPoint((3, 0), "line")
pen.endPath()
plainGlyph = pen.glyph()
assert plainGlyph == compositeGlyph
def test_no_handle_overflowing_transform(self):
componentName = "a"
glyphSet = {}
pen = TTGlyphPointPen(glyphSet, handleOverflowingTransforms=False)
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, 1), "line")
pen.addPoint((1, 0), "line")
pen.endPath()
baseGlyph = pen.glyph()
glyphSet[componentName] = _TestGlyph(baseGlyph)
pen.addComponent(componentName, (3, 0, 0, 1, 0, 0))
compositeGlyph = pen.glyph()
assert compositeGlyph.components[0].transform == ((3, 0), (0, 1))
with pytest.raises(struct.error):
compositeGlyph.compile({"a": baseGlyph})
def test_round_float_coordinates_and_component_offsets(self):
glyphSet = {}
pen = TTGlyphPointPen(glyphSet)
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, 1), "line")
pen.addPoint((367.6, 0), "line")
pen.endPath()
simpleGlyph = pen.glyph()
simpleGlyph.recalcBounds(glyphSet)
self.assertGlyphBoundsEqual(simpleGlyph, (0, 0, 368, 1))
componentName = "a"
glyphSet[componentName] = simpleGlyph
pen.addComponent(componentName, (1, 0, 0, 1, -86.4, 0))
compositeGlyph = pen.glyph()
compositeGlyph.recalcBounds(glyphSet)
self.assertGlyphBoundsEqual(compositeGlyph, (-86, 0, 282, 1))
def test_within_range_component_transform(self):
componentName = "a"
glyphSet = {}
pen = TTGlyphPointPen(glyphSet)
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, 1), "line")
pen.addPoint((1, 0), "line")
pen.endPath()
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()
assert expectedGlyph == compositeGlyph
def test_clamp_to_almost_2_component_transform(self):
componentName = "a"
glyphSet = {}
pen = TTGlyphPointPen(glyphSet)
pen.beginPath()
pen.addPoint((0, 0), "line")
pen.addPoint((0, 1), "line")
pen.addPoint((1, 0), "line")
pen.endPath()
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 = MAX_F2DOT14 # 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()
assert expectedGlyph == compositeGlyph
