---
title: alphaMode
framework: coreimage
role: symbol
role_heading: Instance Property
path: coreimage/cirenderdestination/alphamode
---

# alphaMode

The render destination’s representation of alpha (transparency) values.

## Declaration

```swift
var alphaMode: CIRenderDestinationAlphaMode { get set }
```

## Discussion

Discussion This property defaults to an appropriate value given the object with which you initialized the CIRenderDestination.

## See Also

### Customizing Rendering

- [CIRenderDestinationAlphaMode](coreimage/cirenderdestinationalphamode.md)
- [blendKernel](coreimage/cirenderdestination/blendkernel.md)
- [blendsInDestinationColorSpace](coreimage/cirenderdestination/blendsindestinationcolorspace.md)
- [colorSpace](coreimage/cirenderdestination/colorspace.md)
- [width](coreimage/cirenderdestination/width.md)
- [height](coreimage/cirenderdestination/height.md)
- [isClamped](coreimage/cirenderdestination/isclamped.md)
- [isDithered](coreimage/cirenderdestination/isdithered.md)
- [isFlipped](coreimage/cirenderdestination/isflipped.md)