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Editorial Team
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Asked: 2026-05-27T20:34:24+00:00

I have an attributed string that I want to draw bottom-aligned into a rectangular

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I have an attributed string that I want to draw bottom-aligned into a rectangular path, using Core Text. Is there a way to get CTFrameSetter / CTFrame to do this, or do I need to do it manually? The manual way being:

  1. Figure out the height of the frame using CTFramesetterSuggestFrameSizeWithConstraints
  2. Adjust the height of the path.
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1 Answer

  1. Editorial Team

    You’ll have to do it manually.

    CGRect boundingBox = CTFontGetBoundingBox(font);

//Get the position on the y axis
float midHeight = self.frame.size.height / 2;
midHeight -= boundingBox.size.height / 2;

CGPathAddRect(path, NULL, CGRectMake(0, midHeight, self.frame.size.width, boundingBox.size.height));

    Reference: Vertical align with Core Text?

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