Global Variable

kCIContextHighQualityDownsample

An option controlling the quality of image downsampling operations performed by the context.

Declaration

const CIContextOption kCIContextHighQualityDownsample;

Discussion

The value for this key is an NSNumber object containing a Boolean value. A value of YES (the default in macOS) results in higher image quality and lower performance. In iOS and tvOS, the default value is NO.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software