# `GSCompositingOperation`

*Structure*

Compositing operation, documented with the OpenType, Core Graphics, and NSGraphics constants.

## Declaration

```swift
struct GSCompositingOperation
```

```objc
typedef NSString * GSCompositingOperation;
```

```python
GSCompositingOperation
```

## Overview

[https://www.w3.org/TR/compositing/](https://www.w3.org/TR/compositing/)