---
title: Distortion Filters
framework: coreimage
role: collectionGroup
role_heading: API Collection
path: coreimage/distortion-filters
---

# Distortion Filters

Apply distortion to images.

## Topics

### Filters

- [bumpDistortion()](coreimage/cifilter-swift.class/bumpdistortion().md)
- [bumpDistortionLinear()](coreimage/cifilter-swift.class/bumpdistortionlinear().md)
- [circleSplashDistortion()](coreimage/cifilter-swift.class/circlesplashdistortion().md)
- [circularWrap()](coreimage/cifilter-swift.class/circularwrap().md)
- [displacementDistortion()](coreimage/cifilter-swift.class/displacementdistortion().md)
- [droste()](coreimage/cifilter-swift.class/droste().md)
- [glassDistortion()](coreimage/cifilter-swift.class/glassdistortion().md)
- [glassLozenge()](coreimage/cifilter-swift.class/glasslozenge().md)
- [holeDistortion()](coreimage/cifilter-swift.class/holedistortion().md)
- [lightTunnel()](coreimage/cifilter-swift.class/lighttunnel().md)
- [ninePartStretched()](coreimage/cifilter-swift.class/ninepartstretched().md)
- [ninePartTiled()](coreimage/cifilter-swift.class/nineparttiled().md)
- [pinchDistortion()](coreimage/cifilter-swift.class/pinchdistortion().md)
- [stretchCrop()](coreimage/cifilter-swift.class/stretchcrop().md)
- [torusLensDistortion()](coreimage/cifilter-swift.class/toruslensdistortion().md)
- [twirlDistortion()](coreimage/cifilter-swift.class/twirldistortion().md)
- [vortexDistortion()](coreimage/cifilter-swift.class/vortexdistortion().md)

### Protocols

- [CIBumpDistortion](coreimage/cibumpdistortion.md)
- [CIBumpDistortionLinear](coreimage/cibumpdistortionlinear.md)
- [CICircleSplashDistortion](coreimage/cicirclesplashdistortion.md)
- [CICircularWrap](coreimage/cicircularwrap.md)
- [CIDisplacementDistortion](coreimage/cidisplacementdistortion.md)
- [CIDroste](coreimage/cidroste.md)
- [CIGlassDistortion](coreimage/ciglassdistortion.md)
- [CIGlassLozenge](coreimage/ciglasslozenge.md)
- [CIHoleDistortion](coreimage/ciholedistortion.md)
- [CILightTunnel](coreimage/cilighttunnel.md)
- [CINinePartStretched](coreimage/cininepartstretched.md)
- [CINinePartTiled](coreimage/cinineparttiled.md)
- [CIPinchDistortion](coreimage/cipinchdistortion.md)
- [CIStretchCrop](coreimage/cistretchcrop.md)
- [CITorusLensDistortion](coreimage/citoruslensdistortion.md)
- [CITwirlDistortion](coreimage/citwirldistortion.md)
- [CIVortexDistortion](coreimage/civortexdistortion.md)

## See Also

### Filter Catalog

- [Blur Filters](coreimage/blur-filters.md)
- [Color Adjustment Filters](coreimage/color-adjustment-filters.md)
- [Color Effect Filters](coreimage/color-effect-filters.md)
- [Composite Operations](coreimage/composite-operations.md)
- [Convolution Filters](coreimage/convolution-filters.md)
- [Generator Filters](coreimage/generator-filters.md)
- [Geometry Adjustment Filters](coreimage/geometry-adjustment-filters.md)
- [Gradient Filters](coreimage/gradient-filters.md)
- [Halftone Effect Filters](coreimage/halftone-effect-filters.md)
- [Reduction Filters](coreimage/reduction-filters.md)
- [Sharpening Filters](coreimage/sharpening-filters.md)
- [Stylizing Filters](coreimage/stylizing-filters.md)
- [Tile Effect Filters](coreimage/tile-effect-filters.md)
- [Transition Filters](coreimage/transition-filters.md)