---
title: outputIsOpaque
framework: coreimage
role: symbol
role_heading: Type Property
path: coreimage/ciimageprocessorkernel/outputisopaque
---

# outputIsOpaque

Override this class property if your processor’s output stores 1.0 into the alpha channel of all pixels within the output extent.

## Declaration

```swift
class var outputIsOpaque: Bool { get }
```

## Discussion

Discussion If not overridden, false is returned.

## See Also

### Type Properties

- [outputFormat](coreimage/ciimageprocessorkernel/outputformat.md)
- [synchronizeInputs](coreimage/ciimageprocessorkernel/synchronizeinputs.md)