---
title: bitDepth
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/iohardwarecursordescriptor/1505720-bitdepth
---

# bitDepth

Number bits per pixel, or a QD/QT pixel type, for example kIO8IndexedPixelFormat, kIO32ARGBPixelFormat.

## Declaration

```occ
UInt32 bitDepth;
```

## See Also

### Fields

- [majorVersion](iokit/iohardwarecursordescriptor/1505436-majorversion.md)
- [minorVersion](iokit/iohardwarecursordescriptor/1505743-minorversion.md)
- [height](iokit/iohardwarecursordescriptor/1506025-height.md)
- [width](iokit/iohardwarecursordescriptor/1505052-width.md)
- [maskBitDepth](iokit/iohardwarecursordescriptor/1505546-maskbitdepth.md)
- [numColors](iokit/iohardwarecursordescriptor/1505035-numcolors.md)
- [colorEncodings](iokit/iohardwarecursordescriptor/1505587-colorencodings.md)
- [flags](iokit/iohardwarecursordescriptor/1505608-flags.md)
- [supportedSpecialEncodings](iokit/iohardwarecursordescriptor/1506135-supportedspecialencodings.md)
- [specialEncodings](iokit/iohardwarecursordescriptor/1505679-specialencodings.md)