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