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# Halftone Effect Filters

Simulate monochrome and CMYK halftone screens.

## Topics

### Filters

[`+  circularScreenFilter`](/documentation/CoreImage/CIFilter-swift.class/circularScreen())

Adds a circular overlay to an image.

[`+  CMYKHalftone`](/documentation/CoreImage/CIFilter-swift.class/cmykHalftone())

Adds a series of colorful dots to an image.

[`+  dotScreenFilter`](/documentation/CoreImage/CIFilter-swift.class/dotScreen())

Creates a monochrome image with a series of dots to add detail.

[`+  hatchedScreenFilter`](/documentation/CoreImage/CIFilter-swift.class/hatchedScreen())

Creates a monochrome image with a series of lines to add detail.

[`+  lineScreenFilter`](/documentation/CoreImage/CIFilter-swift.class/lineScreen())

Creates a monochrome image with a series of small lines to add detail.

### Protocols

[`CICircularScreen`](/documentation/CoreImage/CICircularScreen)

The properties you use to configure a circular screen filter.

[`CICMYKHalftone`](/documentation/CoreImage/CICMYKHalftone)

The properties you use to configure a CMYK halftone filter.

[`CIDotScreen`](/documentation/CoreImage/CIDotScreen)

The properties you use to configure a dot screen filter.

[`CIHatchedScreen`](/documentation/CoreImage/CIHatchedScreen)

The properties you use to configure a hatched screen filter.

[`CILineScreen`](/documentation/CoreImage/CILineScreen)

The properties you use to configure a line screen filter.


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