---
title: NSImageScaling.scaleProportionallyUpOrDown
framework: appkit
role: symbol
role_heading: Case
path: appkit/nsimagescaling/scaleproportionallyupordown
---

# NSImageScaling.scaleProportionallyUpOrDown

Scale the image to its maximum possible dimensions while both staying within the destination area and preserving its aspect ratio.

## Declaration

```swift
case scaleProportionallyUpOrDown
```

## See Also

### Constants

- [NSImageScaling.scaleProportionallyDown](appkit/nsimagescaling/scaleproportionallydown.md)
- [NSImageScaling.scaleAxesIndependently](appkit/nsimagescaling/scaleaxesindependently.md)
- [NSImageScaling.scaleNone](appkit/nsimagescaling/scalenone.md)