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Editorial Team
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Asked: 2026-05-30T05:18:49+00:00

If my path ends where it starts, then is it OK to omit the

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If my path ends where it starts, then is it OK to omit the call to CGContextClosePath?

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  1. Editorial Team

    Not necessarily, only if you want to close the subpath. According to iOS Developer Library : Quartz 2D Programming Guide:

    Closing a Subpath

    To close the current subpath, your application
    should call CGContextClosePath. This function adds a line segment from
    the current point to the starting point of the subpath and closes the
    subpath. Lines, arcs, and curves that end at the starting point of a
    subpath do not actually close the subpath. You must explicitly call
    CGContextClosePath to close a subpath.

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