---
title: "apply(foreground:background:colorSpace:)"
framework: coreimage
role: symbol
role_heading: Instance Method
path: "coreimage/ciblendkernel/apply(foreground:background:colorspace:)"
---

# apply(foreground:background:colorSpace:)

## Declaration

```swift
func apply(foreground: CIImage, background: CIImage, colorSpace: CGColorSpace) -> CIImage?
```