---
title: "CGImageDestinationCopyImageSource(_:_:_:_:)"
framework: imageio
role: symbol
role_heading: Function
path: "imageio/cgimagedestinationcopyimagesource(_:_:_:_:)"
---

# CGImageDestinationCopyImageSource(_:_:_:_:)

## Declaration

```swift
func CGImageDestinationCopyImageSource(_ idst: CGImageDestination, _ isrc: CGImageSource, _ options: CFDictionary?, _ err: UnsafeMutablePointer<Unmanaged<CFError>?>?) -> Bool
```

## See Also

### Functions

- [CGImageDestinationAddImageAndMetadata(_:_:_:_:)](imageio/cgimagedestinationaddimageandmetadata(_:_:_:_:).md)
- [CGImageSourceCopyMetadataAtIndex(_:_:_:)](imageio/cgimagesourcecopymetadataatindex(_:_:_:).md)
- [CGImageSourceRemoveCacheAtIndex(_:_:)](imageio/cgimagesourceremovecacheatindex(_:_:).md)
- [CGImageSourceSetAllowableTypes(_:)](imageio/cgimagesourcesetallowabletypes(_:).md)