119 lines
3.4 KiB
Python
119 lines
3.4 KiB
Python
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"""
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doc test requires fontTools to compare and defon to make the test font.
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"""
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import random
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from fontTools.pens.basePen import BasePen
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from fontTools.misc import arrayTools
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from fontTools.misc import bezierTools
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import robofab.misc.arrayTools as noNumpyArrayTools
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import robofab.misc.bezierTools as noNumpyBezierTools
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def drawMoveTo(pen, maxBox):
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pen.moveTo((maxBox*random.random(), maxBox*random.random()))
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def drawLineTo(pen, maxBox):
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pen.lineTo((maxBox*random.random(), maxBox*random.random()))
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def drawCurveTo(pen, maxBox):
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pen.curveTo((maxBox*random.random(), maxBox*random.random()),
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(maxBox*random.random(), maxBox*random.random()),
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(maxBox*random.random(), maxBox*random.random()))
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def drawClosePath(pen):
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pen.closePath()
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def createRandomFont():
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from defcon import Font
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maxGlyphs = 1000
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maxContours = 10
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maxSegments = 10
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maxBox = 700
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drawCallbacks = [drawLineTo, drawCurveTo]
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f = Font()
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for i in range(maxGlyphs):
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name = "%s" %i
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f.newGlyph(name)
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g = f[name]
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g.width = maxBox
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pen = g.getPen()
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for c in range(maxContours):
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drawMoveTo(pen, maxBox)
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for s in range(maxSegments):
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random.choice(drawCallbacks)(pen, maxBox)
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drawClosePath(pen)
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return f
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class BoundsPen(BasePen):
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def __init__(self, glyphSet, at, bt):
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BasePen.__init__(self, glyphSet)
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self.bounds = None
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self._start = None
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self._arrayTools = at
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self._bezierTools = bt
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def _moveTo(self, pt):
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self._start = pt
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def _addMoveTo(self):
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if self._start is None:
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return
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bounds = self.bounds
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if bounds:
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self.bounds = self._arrayTools.updateBounds(bounds, self._start)
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else:
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x, y = self._start
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self.bounds = (x, y, x, y)
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self._start = None
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def _lineTo(self, pt):
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self._addMoveTo()
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self.bounds = self._arrayTools.updateBounds(self.bounds, pt)
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def _curveToOne(self, bcp1, bcp2, pt):
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self._addMoveTo()
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bounds = self.bounds
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bounds = self._arrayTools.updateBounds(bounds, pt)
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if not self._arrayTools.pointInRect(bcp1, bounds) or not self._arrayTools.pointInRect(bcp2, bounds):
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bounds = self._arrayTools.unionRect(bounds, self._bezierTools.calcCubicBounds(
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self._getCurrentPoint(), bcp1, bcp2, pt))
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self.bounds = bounds
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def _qCurveToOne(self, bcp, pt):
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self._addMoveTo()
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bounds = self.bounds
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bounds = self._arrayTools.updateBounds(bounds, pt)
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if not self._arrayTools.pointInRect(bcp, bounds):
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bounds = self._arrayToolsunionRect(bounds, self._bezierTools.calcQuadraticBounds(
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self._getCurrentPoint(), bcp, pt))
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self.bounds = bounds
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def _testFont(font):
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succes = True
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for glyph in font:
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fontToolsBoundsPen = BoundsPen(font, arrayTools, bezierTools)
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glyph.draw(fontToolsBoundsPen)
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noNumpyBoundsPen = BoundsPen(font, noNumpyArrayTools, noNumpyBezierTools)
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glyph.draw(noNumpyBoundsPen)
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if fontToolsBoundsPen.bounds != noNumpyBoundsPen.bounds:
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succes = False
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return succes
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def testCompareAgainstFontTools():
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"""
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>>> font = createRandomFont()
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>>> _testFont(font)
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True
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"""
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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