Returns a keystone correction vertical filter.
SDKs
- iOS 13.0+
- macOS 10.15+
- tvOS 13.0+
Framework
- Core Image
Declaration
class func keystoneCorrectionVertical() -> CIFilter & CIKeystoneType Methodkeystone
keystone
See Also
Filters
class func bicubicReturns a bicubic scale transform filter.
class func edgeReturns an edge preserve upsample filter.
class func keystoneReturns a keystone correction combined filter.
class func keystoneReturns a keystone correction horizontal filter.
class func lanczosReturns a Lanczos scale transform filter.
class func perspectiveReturns a perspective correction filter.
class func perspectiveReturns a perspective rotate filter.
class func perspectiveReturns a perspective transform filter.
class func perspectiveReturns a perspective transform with extent filter.
class func straighten() -> CIFilter & CIStraightenReturns a straighten filter.