# `GSFrameView zoomViewByScale:`

*Instance Method*

Zooms the view by the given scale in addition to the current scale.

## Declaration

```swift
func zoom(byScale zoomScale: CGFloat)
```

```objc
- (void) zoomViewByScale:(CGFloat) zoomScale;
```

```python
zoomViewByScale_(zoomScale: float)
```

## Discussion

Compared to [`GSFrameView zoomViewByFactor:`](/Core/GlyphsApp/GSFrameView/zoomViewByFactor:), this method does not restore the center point.