Trait CICannyEdgeDetector 

pub unsafe trait CICannyEdgeDetector: CIFilterProtocol {
    // Provided methods
    unsafe fn inputImage(&self) -> Option<Retained<CIImage>>
       where Self: Sized + Message { ... }
    unsafe fn setInputImage(&self, input_image: Option<&CIImage>)
       where Self: Sized + Message { ... }
    unsafe fn gaussianSigma(&self) -> c_float
       where Self: Sized + Message { ... }
    unsafe fn setGaussianSigma(&self, gaussian_sigma: c_float)
       where Self: Sized + Message { ... }
    unsafe fn perceptual(&self) -> bool
       where Self: Sized + Message { ... }
    unsafe fn setPerceptual(&self, perceptual: bool)
       where Self: Sized + Message { ... }
    unsafe fn thresholdHigh(&self) -> c_float
       where Self: Sized + Message { ... }
    unsafe fn setThresholdHigh(&self, threshold_high: c_float)
       where Self: Sized + Message { ... }
    unsafe fn thresholdLow(&self) -> c_float
       where Self: Sized + Message { ... }
    unsafe fn setThresholdLow(&self, threshold_low: c_float)
       where Self: Sized + Message { ... }
    unsafe fn hysteresisPasses(&self) -> NSInteger
       where Self: Sized + Message { ... }
    unsafe fn setHysteresisPasses(&self, hysteresis_passes: NSInteger)
       where Self: Sized + Message { ... }
}

Available on crate features CIFilter and CIFilterBuiltins only.

The protocol for the Canny Edge Detector filter.

Applies the Canny Edge Detection algorithm to an image.

See also Apple’s documentation

Provided Methods

unsafe fn inputImage(&self) -> Option<Retained<CIImage>>

where Self: Sized + Message,

Available on crate feature CIImage only.

The image to use as an input for the effect.

unsafe fn setInputImage(&self, input_image: Option<&CIImage>)

where Self: Sized + Message,

Available on crate feature CIImage only.

Setter for inputImage.

unsafe fn gaussianSigma(&self) -> c_float

where Self: Sized + Message,

The gaussian sigma of blur to apply to the image to reduce high-frequency noise.

unsafe fn setGaussianSigma(&self, gaussian_sigma: c_float)

where Self: Sized + Message,

Setter for gaussianSigma.

unsafe fn perceptual(&self) -> bool

where Self: Sized + Message,

Specifies whether the edge thresholds should be computed in a perceptual color space.

unsafe fn setPerceptual(&self, perceptual: bool)

where Self: Sized + Message,

Setter for perceptual.

unsafe fn thresholdHigh(&self) -> c_float

where Self: Sized + Message,

The threshold that determines if gradient magnitude is a strong edge.

unsafe fn setThresholdHigh(&self, threshold_high: c_float)

where Self: Sized + Message,

Setter for thresholdHigh.

unsafe fn thresholdLow(&self) -> c_float

where Self: Sized + Message,

The threshold that determines if gradient magnitude is a weak edge.

unsafe fn setThresholdLow(&self, threshold_low: c_float)

where Self: Sized + Message,

Setter for thresholdLow.

unsafe fn hysteresisPasses(&self) -> NSInteger

where Self: Sized + Message,

The number of hysteresis passes to apply to promote weak edge pixels.

unsafe fn setHysteresisPasses(&self, hysteresis_passes: NSInteger)

where Self: Sized + Message,

Setter for hysteresisPasses.

Trait Implementations

impl ProtocolType for dyn CICannyEdgeDetector

const NAME: &'static str = "CICannyEdgeDetector"

The name of the Objective-C protocol that this type represents.

fn protocol() -> Option<&'static AnyProtocol>

Get a reference to the Objective-C protocol object that this type represents.

impl<T> ImplementedBy<T> for dyn CICannyEdgeDetector

where T: ?Sized + Message + CICannyEdgeDetector,

Implementations on Foreign Types

impl<T> CICannyEdgeDetector for ProtocolObject<T>

where T: ?Sized + CICannyEdgeDetector,

Implementors