150 lines
4.2 KiB
Python
Executable File
150 lines
4.2 KiB
Python
Executable File
"""This test suite test general Pen stuff, it should not contain
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FontLab-specific code.
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"""
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import unittest
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from robofab.pens.digestPen import DigestPointPen
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from robofab.pens.adapterPens import SegmentToPointPen, PointToSegmentPen
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from robofab.pens.adapterPens import GuessSmoothPointPen
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from robofab.pens.reverseContourPointPen import ReverseContourPointPen
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from robofab.test.testSupport import getDemoFontGlyphSetPath
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from robofab.glifLib import GlyphSet
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class TestShapes:
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# Collection of test shapes. It's probably better to add these as
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# glyphs to the demo font.
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def square(pen):
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# a simple square as a closed path (100, 100, 600, 600)
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pen.beginPath()
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pen.addPoint((100, 100), "line")
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pen.addPoint((100, 600), "line")
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pen.addPoint((600, 600), "line")
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pen.addPoint((600, 100), "line")
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pen.endPath()
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square = staticmethod(square)
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def onCurveLessQuadShape(pen):
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pen.beginPath()
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pen.addPoint((100, 100))
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pen.addPoint((100, 600))
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pen.addPoint((600, 600))
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pen.addPoint((600, 100))
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pen.endPath()
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onCurveLessQuadShape = staticmethod(onCurveLessQuadShape)
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def openPath(pen):
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# a simple square as a closed path (100, 100, 600, 600)
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pen.beginPath()
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pen.addPoint((100, 100), "move")
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pen.addPoint((100, 600), "line")
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pen.addPoint((600, 600), "line")
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pen.addPoint((600, 100), "line")
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pen.endPath()
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openPath = staticmethod(openPath)
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def circle(pen):
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pen.beginPath()
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pen.addPoint((0, 500), "curve")
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pen.addPoint((0, 800))
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pen.addPoint((200, 1000))
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pen.addPoint((500, 1000), "curve")
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pen.addPoint((800, 1000))
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pen.addPoint((1000, 800))
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pen.addPoint((1000, 500), "curve")
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pen.addPoint((1000, 200))
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pen.addPoint((800, 0))
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pen.addPoint((500, 0), "curve")
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pen.addPoint((200, 0))
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pen.addPoint((0, 200))
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pen.endPath()
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circle = staticmethod(circle)
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class RoundTripTestCase(unittest.TestCase):
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def _doTest(self, shapeFunc, shapeName):
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pen = DigestPointPen(ignoreSmoothAndName=True)
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shapeFunc(pen)
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digest1 = pen.getDigest()
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digestPen = DigestPointPen(ignoreSmoothAndName=True)
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pen = PointToSegmentPen(SegmentToPointPen(digestPen))
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shapeFunc(pen)
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digest2 = digestPen.getDigest()
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self.assertEqual(digest1, digest2, "%r failed round tripping" % shapeName)
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def testShapes(self):
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for name in dir(TestShapes):
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if name[0] != "_":
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self._doTest(getattr(TestShapes, name), name)
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def testShapesFromGlyphSet(self):
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glyphSet = GlyphSet(getDemoFontGlyphSetPath())
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for name in glyphSet.keys():
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self._doTest(glyphSet[name].drawPoints, name)
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def testGuessSmoothPen(self):
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glyphSet = GlyphSet(getDemoFontGlyphSetPath())
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for name in glyphSet.keys():
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digestPen = DigestPointPen()
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glyphSet[name].drawPoints(digestPen)
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digest1 = digestPen.getDigest()
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digestPen = DigestPointPen()
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pen = GuessSmoothPointPen(digestPen)
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glyphSet[name].drawPoints(pen)
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digest2 = digestPen.getDigest()
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self.assertEqual(digest1, digest2)
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class ReverseContourTestCase(unittest.TestCase):
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def testReverseContourClosedPath(self):
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digestPen = DigestPointPen()
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TestShapes.square(digestPen)
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d1 = digestPen.getDigest()
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digestPen = DigestPointPen()
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pen = ReverseContourPointPen(digestPen)
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pen.beginPath()
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pen.addPoint((100, 100), "line")
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pen.addPoint((600, 100), "line")
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pen.addPoint((600, 600), "line")
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pen.addPoint((100, 600), "line")
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pen.endPath()
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d2 = digestPen.getDigest()
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self.assertEqual(d1, d2)
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def testReverseContourOpenPath(self):
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digestPen = DigestPointPen()
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TestShapes.openPath(digestPen)
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d1 = digestPen.getDigest()
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digestPen = DigestPointPen()
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pen = ReverseContourPointPen(digestPen)
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pen.beginPath()
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pen.addPoint((600, 100), "move")
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pen.addPoint((600, 600), "line")
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pen.addPoint((100, 600), "line")
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pen.addPoint((100, 100), "line")
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pen.endPath()
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d2 = digestPen.getDigest()
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self.assertEqual(d1, d2)
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def testReversContourFromGlyphSet(self):
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glyphSet = GlyphSet(getDemoFontGlyphSetPath())
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digestPen = DigestPointPen()
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glyphSet["testglyph1"].drawPoints(digestPen)
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digest1 = digestPen.getDigest()
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digestPen = DigestPointPen()
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pen = ReverseContourPointPen(digestPen)
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glyphSet["testglyph1.reversed"].drawPoints(pen)
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digest2 = digestPen.getDigest()
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self.assertEqual(digest1, digest2)
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if __name__ == "__main__":
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from robofab.test.testSupport import runTests
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runTests()
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