44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
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from fontTools.pens.basePen import BasePen
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from Quartz.CoreGraphics import CGPathCreateMutable, CGPathMoveToPoint
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from Quartz.CoreGraphics import CGPathAddLineToPoint, CGPathAddCurveToPoint
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from Quartz.CoreGraphics import CGPathAddQuadCurveToPoint, CGPathCloseSubpath
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__all__ = ["QuartzPen"]
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class QuartzPen(BasePen):
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"""A pen that creates a CGPath
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Parameters
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- path: an optional CGPath to add to
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- xform: an optional CGAffineTransform to apply to the path
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"""
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def __init__(self, glyphSet, path=None, xform=None):
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BasePen.__init__(self, glyphSet)
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if path is None:
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path = CGPathCreateMutable()
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self.path = path
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self.xform = xform
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def _moveTo(self, pt):
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x, y = pt
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CGPathMoveToPoint(self.path, self.xform, x, y)
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def _lineTo(self, pt):
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x, y = pt
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CGPathAddLineToPoint(self.path, self.xform, x, y)
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def _curveToOne(self, p1, p2, p3):
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(x1, y1), (x2, y2), (x3, y3) = p1, p2, p3
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CGPathAddCurveToPoint(self.path, self.xform, x1, y1, x2, y2, x3, y3)
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def _qCurveToOne(self, p1, p2):
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(x1, y1), (x2, y2) = p1, p2
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CGPathAddQuadCurveToPoint(self.path, self.xform, x1, y1, x2, y2)
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def _closePath(self):
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CGPathCloseSubpath(self.path)
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