# `GSLayer updateCorners`

*Instance Method*

Updates path component hints after referenced glyphs or components changed.

## Declaration

```swift
func updateCorners()
```

```objc
- (void) updateCorners;
```

```python
updateCorners()
```

## See Also

### Hint Updates

- [`GSLayer saveHints`](/Core/GlyphsCore/GSLayer/saveHints) — Saves hint positions before path changes.
- [`GSLayer restoreHints`](/Core/GlyphsCore/GSLayer/restoreHints) — Restores saved hint positions after path changes.
- [`GSLayer updateHints`](/Core/GlyphsCore/GSLayer/updateHints) — Updates hint indexes from their referenced nodes.
- [`GSLayer adjustHintsForReversedPaths:`](/Core/GlyphsCore/GSLayer/adjustHintsForReversedPaths:) — Adjusts hints after reversing paths.
- [`GSLayer applyHints:`](/Core/GlyphsCore/GSLayer/applyHints:) — Applies TrueType hints to the layer at a scale.