Struct SCNCamera

#[repr(C)]
pub struct SCNCamera { /* private fields */ }

Available on crate feature SCNCamera only.

SCNCamera represents a camera that can be attached to a SCNNode.

A node with a camera can be used as a point of view to visualize a 3D scene.

See also Apple’s documentation

Implementations

impl SCNCamera

SCNModelIO.

pub unsafe fn cameraWithMDLCamera(mdl_camera: &MDLCamera) -> Retained<Self>

Available on crate feature ModelIO and crate feature objc2-model-io and non-watchOS only.

impl SCNCamera

pub unsafe fn camera() -> Retained<Self>

Creates and returns a camera instance.

pub unsafe fn name(&self) -> Option<Retained<NSString>>

Determines the name of the receiver.

pub unsafe fn setName(&self, name: Option<&NSString>)

Setter for name.

pub unsafe fn fieldOfView(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the receiver’s field of view (in degree). Defaults to 60°. Animatable.

The fieldOfView is automatically updated when the sensorHeight or focalLength are set. Setting the fieldOfView will update the focalLength according to the new fieldOfView and the current sensorHeight.

pub unsafe fn setFieldOfView(&self, field_of_view: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for fieldOfView.

pub unsafe fn projectionDirection(&self) -> SCNCameraProjectionDirection

Determines whether the fieldOfView (or orthographicScale) is vertical or horizontal. Defaults to vertical.

pub unsafe fn setProjectionDirection( &self, projection_direction: SCNCameraProjectionDirection, )

Setter for projectionDirection.

pub unsafe fn focalLength(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the receiver’s focal length in millimeter. Defaults to 50mm. Animatable.

The focalLength is automatically updated when the sensorHeight or fieldOfView are set. Setting the focalLength will update the fieldOfView according to the new focalLength and the current sensorHeight.

pub unsafe fn setFocalLength(&self, focal_length: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for focalLength.

pub unsafe fn sensorHeight(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the vertical size of the sensor in millimeter. Defaults to 24mm. Animatable.

Setting the sensorHeight will automatically update the fieldOfView according to the new sensorHeight and the current focalLength.

pub unsafe fn setSensorHeight(&self, sensor_height: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for sensorHeight.

pub unsafe fn zNear(&self) -> c_double

Determines the receiver’s near value. Animatable.

The near value determines the minimal distance between the camera and a visible surface. If a surface is closer to the camera than this minimal distance, then the surface is clipped. The near value must be different than zero. Defaults to 1.

pub unsafe fn setZNear(&self, z_near: c_double)

Setter for zNear.

pub unsafe fn zFar(&self) -> c_double

Determines the receiver’s far value. Animatable.

The far value determines the maximal distance between the camera and a visible surface. If a surface is further from the camera than this maximal distance, then the surface is clipped. Defaults to 100.

pub unsafe fn setZFar(&self, z_far: c_double)

Setter for zFar.

pub unsafe fn automaticallyAdjustsZRange(&self) -> bool

Determines whether the receiver automatically adjusts the zFar value. Defaults to NO.

When set to YES, the near and far planes are automatically set to fit the bounding box of the entire scene at render time.

pub unsafe fn setAutomaticallyAdjustsZRange( &self, automatically_adjusts_z_range: bool, )

Setter for automaticallyAdjustsZRange.

pub unsafe fn usesOrthographicProjection(&self) -> bool

Determines whether the receiver uses an orthographic projection or not. Defaults to NO.

pub unsafe fn setUsesOrthographicProjection( &self, uses_orthographic_projection: bool, )

Setter for usesOrthographicProjection.

pub unsafe fn orthographicScale(&self) -> c_double

Determines the receiver’s orthographic scale value. Animatable. Defaults to 1.

This setting determines the size of the camera’s visible area. This is only enabled when usesOrthographicProjection is set to YES.

pub unsafe fn setOrthographicScale(&self, orthographic_scale: c_double)

Setter for orthographicScale.

pub unsafe fn projectionTransform(&self) -> SCNMatrix4

Available on crate feature SceneKitTypes and crate feature objc2-quartz-core and non-watchOS only.

Determines the projection transform used by the camera to project the world onscreen.

pub unsafe fn setProjectionTransform(&self, projection_transform: SCNMatrix4)

Available on crate feature SceneKitTypes and crate feature objc2-quartz-core and non-watchOS only.

Setter for projectionTransform.

pub unsafe fn projectionTransformWithViewportSize( &self, viewport_size: CGSize, ) -> SCNMatrix4

Available on crate feature SceneKitTypes and crate feature objc2-core-foundation and crate feature objc2-quartz-core and non-watchOS only.

pub unsafe fn wantsDepthOfField(&self) -> bool

Determines if the receiver has depth of field. Defaults to NO.

pub unsafe fn setWantsDepthOfField(&self, wants_depth_of_field: bool)

Setter for wantsDepthOfField.

pub unsafe fn focusDistance(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the receiver’s focus distance. Animatable.

Defaults to 2.5

pub unsafe fn setFocusDistance(&self, focus_distance: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for focusDistance.

pub unsafe fn focalBlurSampleCount(&self) -> NSInteger

Determines the receiver’s sample count for depth of field effect.

Defaults to 25.

pub unsafe fn setFocalBlurSampleCount(&self, focal_blur_sample_count: NSInteger)

Setter for focalBlurSampleCount.

pub unsafe fn fStop(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the receiver’s fstop. Animatable.

Defaults to 5.6.

pub unsafe fn setFStop(&self, f_stop: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for fStop.

pub unsafe fn apertureBladeCount(&self) -> NSInteger

Determines the receiver’s blade count of the aperture.

Defaults to 6.

pub unsafe fn setApertureBladeCount(&self, aperture_blade_count: NSInteger)

Setter for apertureBladeCount.

pub unsafe fn motionBlurIntensity(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the intensity of the motion blur. Animatable. Defaults to 0.

An intensity of zero means no motion blur. The intensity should not exceeed 1.

pub unsafe fn setMotionBlurIntensity(&self, motion_blur_intensity: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for motionBlurIntensity.

pub unsafe fn screenSpaceAmbientOcclusionIntensity(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the intensity of the screen space ambient occlusion. Animatable.

defaults to 0.

pub unsafe fn setScreenSpaceAmbientOcclusionIntensity( &self, screen_space_ambient_occlusion_intensity: CGFloat, )

Available on crate feature objc2-core-foundation only.

Setter for screenSpaceAmbientOcclusionIntensity.

pub unsafe fn screenSpaceAmbientOcclusionRadius(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the screen space ambient occlusion radius in scene unit. Animatable.

defaults to 5.

pub unsafe fn setScreenSpaceAmbientOcclusionRadius( &self, screen_space_ambient_occlusion_radius: CGFloat, )

Available on crate feature objc2-core-foundation only.

Setter for screenSpaceAmbientOcclusionRadius.

pub unsafe fn screenSpaceAmbientOcclusionBias(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines self occlusion bias in scene unit.

defaults to 0.03.

pub unsafe fn setScreenSpaceAmbientOcclusionBias( &self, screen_space_ambient_occlusion_bias: CGFloat, )

Available on crate feature objc2-core-foundation only.

Setter for screenSpaceAmbientOcclusionBias.

pub unsafe fn screenSpaceAmbientOcclusionDepthThreshold(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the depth blur threshold in scene unit.

defaults to 0.2.

pub unsafe fn setScreenSpaceAmbientOcclusionDepthThreshold( &self, screen_space_ambient_occlusion_depth_threshold: CGFloat, )

Available on crate feature objc2-core-foundation only.

Setter for screenSpaceAmbientOcclusionDepthThreshold.

pub unsafe fn screenSpaceAmbientOcclusionNormalThreshold(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the normal blur threshold.

defaults to 0.3.

pub unsafe fn setScreenSpaceAmbientOcclusionNormalThreshold( &self, screen_space_ambient_occlusion_normal_threshold: CGFloat, )

Available on crate feature objc2-core-foundation only.

Setter for screenSpaceAmbientOcclusionNormalThreshold.

pub unsafe fn wantsHDR(&self) -> bool

Determines if the receiver has a high dynamic range. Defaults to NO.

pub unsafe fn setWantsHDR(&self, wants_hdr: bool)

Setter for wantsHDR.

pub unsafe fn exposureOffset(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the logarithmic exposure biasing, in EV. Defaults to 0.

pub unsafe fn setExposureOffset(&self, exposure_offset: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for exposureOffset.

pub unsafe fn averageGray(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the average gray level desired in the final image. Defaults to 0.18.

pub unsafe fn setAverageGray(&self, average_gray: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for averageGray.

pub unsafe fn whitePoint(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the smallest luminance level that will be mapped to white in the final image. Defaults to 1.

pub unsafe fn setWhitePoint(&self, white_point: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for whitePoint.

pub unsafe fn wantsExposureAdaptation(&self) -> bool

Determines if the receiver should simulate an eye and continuously adjust to luminance. Defaults to YES.

pub unsafe fn setWantsExposureAdaptation(&self, wants_exposure_adaptation: bool)

Setter for wantsExposureAdaptation.

pub unsafe fn exposureAdaptationBrighteningSpeedFactor(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the exposure adaptation speed when going from bright areas to dark areas. Defaults to 0.4.

pub unsafe fn setExposureAdaptationBrighteningSpeedFactor( &self, exposure_adaptation_brightening_speed_factor: CGFloat, )

Available on crate feature objc2-core-foundation only.

Setter for exposureAdaptationBrighteningSpeedFactor.

pub unsafe fn exposureAdaptationDarkeningSpeedFactor(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the exposure adaptation speed when going from dark areas to bright areas. Defaults to 0.6.

pub unsafe fn setExposureAdaptationDarkeningSpeedFactor( &self, exposure_adaptation_darkening_speed_factor: CGFloat, )

Available on crate feature objc2-core-foundation only.

Setter for exposureAdaptationDarkeningSpeedFactor.

pub unsafe fn minimumExposure(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the minimum exposure offset of the adaptation, in EV. Defaults to -15.

pub unsafe fn setMinimumExposure(&self, minimum_exposure: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for minimumExposure.

pub unsafe fn maximumExposure(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the maximum exposure offset of the adaptation, in EV. Defaults to -15.

pub unsafe fn setMaximumExposure(&self, maximum_exposure: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for maximumExposure.

pub unsafe fn bloomThreshold(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the luminance threshold for the bloom effect. Animatable. Defaults to 1.

pub unsafe fn setBloomThreshold(&self, bloom_threshold: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for bloomThreshold.

pub unsafe fn bloomIterationCount(&self) -> NSInteger

Determines the number of blur iterations. Defaults to 1.

pub unsafe fn setBloomIterationCount(&self, bloom_iteration_count: NSInteger)

Setter for bloomIterationCount.

pub unsafe fn bloomIterationSpread(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines how the bloom iterations are spread. Defaults to 0.

pub unsafe fn setBloomIterationSpread(&self, bloom_iteration_spread: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for bloomIterationSpread.

pub unsafe fn bloomIntensity(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the intensity of the bloom effect. Animatable. Defaults to 0 (no effect).

pub unsafe fn setBloomIntensity(&self, bloom_intensity: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for bloomIntensity.

pub unsafe fn bloomBlurRadius(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Determines the radius of the bloom effect in points. Animatable. Defaults to 4.

pub unsafe fn setBloomBlurRadius(&self, bloom_blur_radius: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for bloomBlurRadius.

pub unsafe fn vignettingPower(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the shape of the vignetting effect. Defaults to 0 (no effect).

pub unsafe fn setVignettingPower(&self, vignetting_power: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for vignettingPower.

pub unsafe fn vignettingIntensity(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the intensity of the vignetting effect. Defaults to 0 (no effect).

pub unsafe fn setVignettingIntensity(&self, vignetting_intensity: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for vignettingIntensity.

pub unsafe fn colorFringeStrength(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the strength of the color shift effect. Defaults to 0 (no effect).

pub unsafe fn setColorFringeStrength(&self, color_fringe_strength: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for colorFringeStrength.

pub unsafe fn colorFringeIntensity(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the intensity of the color shift effect. Defaults to 1.

pub unsafe fn setColorFringeIntensity(&self, color_fringe_intensity: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for colorFringeIntensity.

pub unsafe fn saturation(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the overall saturation of the scene. Defaults to 1 (no effect).

pub unsafe fn setSaturation(&self, saturation: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for saturation.

pub unsafe fn contrast(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the overall contrast of the scene. Defaults to 0 (no effect).

pub unsafe fn setContrast(&self, contrast: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for contrast.

pub unsafe fn grainIntensity(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the intensity of the grain. Defaults to 0 (no effect).

pub unsafe fn setGrainIntensity(&self, grain_intensity: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for grainIntensity.

pub unsafe fn grainScale(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the scale of the grain. Defaults to 1.

pub unsafe fn setGrainScale(&self, grain_scale: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for grainScale.

pub unsafe fn grainIsColored(&self) -> bool

Determines if the grain is colored or not. Defaults to NO.

pub unsafe fn setGrainIsColored(&self, grain_is_colored: bool)

Setter for grainIsColored.

pub unsafe fn whiteBalanceTemperature(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the overall white balance temperature of the scene. Defaults to 0 (no effect).

pub unsafe fn setWhiteBalanceTemperature( &self, white_balance_temperature: CGFloat, )

Available on crate feature objc2-core-foundation only.

Setter for whiteBalanceTemperature.

pub unsafe fn whiteBalanceTint(&self) -> CGFloat

Available on crate feature objc2-core-foundation only.

Controls the overall white balance tint of the scene. Defaults to 0 (no effect).

pub unsafe fn setWhiteBalanceTint(&self, white_balance_tint: CGFloat)

Available on crate feature objc2-core-foundation only.

Setter for whiteBalanceTint.

pub unsafe fn colorGrading(&self) -> Retained<SCNMaterialProperty>

Available on crate feature SCNMaterialProperty only.

Specifies a lookup texture to apply color grading. The contents must a 2D image representing n slices of a unit color cube texture, arranged in an horizontal row of n images. For instance, a color cube of dimension 16x16x16 should be provided as an image of size 256x16.

pub unsafe fn categoryBitMask(&self) -> NSUInteger

Determines the node categories that are visible from the receiver. Defaults to all bits set.

pub unsafe fn setCategoryBitMask(&self, category_bit_mask: NSUInteger)

Setter for categoryBitMask.

impl SCNCamera

Methods declared on superclass NSObject.

pub unsafe fn init(this: Allocated<Self>) -> Retained<Self>

pub unsafe fn new() -> Retained<Self>

impl SCNCamera

SCNDeprecated.

pub unsafe fn focalBlurRadius(&self) -> CGFloat

👎Deprecated: Use fStop instead

Available on crate features SceneKitDeprecated and objc2-core-foundation only.

Determines the receiver’s focal radius. Animatable.

Determines the maximum amount of blur for objects out of focus. Defaults to 0.

pub unsafe fn setFocalBlurRadius(&self, focal_blur_radius: CGFloat)

👎Deprecated: Use fStop instead

Available on crate features SceneKitDeprecated and objc2-core-foundation only.

Setter for focalBlurRadius.

pub unsafe fn xFov(&self) -> c_double

👎Deprecated: Use -[SCNCamera fieldOfView] or -[SCNCamera focalLength] instead

Available on crate feature SceneKitDeprecated only.

Determines the receiver’s field of view on the X axis (in degree). Animatable.

When both xFov and yFov are null an yFov of 60° is used. When both are set, the one that best fits the renderer’s aspect ratio is used. When only one is set, it is used. Defaults to 0.

pub unsafe fn setXFov(&self, x_fov: c_double)

👎Deprecated: Use -[SCNCamera fieldOfView] or -[SCNCamera focalLength] instead

Available on crate feature SceneKitDeprecated only.

Setter for xFov.

pub unsafe fn yFov(&self) -> c_double

👎Deprecated: Use -[SCNCamera fieldOfView] or -[SCNCamera focalLength] instead

Available on crate feature SceneKitDeprecated only.

Determines the receiver’s field of view on the Y axis (in degree). Animatable.

When both xFov and yFov are null an yFov of 60° is used. When both are set, the one that best fits the renderer’s aspect ratio is used. When only one is set, it is used. Defaults to 0.

pub unsafe fn setYFov(&self, y_fov: c_double)

👎Deprecated: Use -[SCNCamera fieldOfView] or -[SCNCamera focalLength] instead

Available on crate feature SceneKitDeprecated only.

Setter for yFov.

pub unsafe fn aperture(&self) -> CGFloat

👎Deprecated: Use -[SCNCamera fStop] instead with fStop = sensorHeight / aperture.

Available on crate features SceneKitDeprecated and objc2-core-foundation only.

Determines the receiver’s aperture. Animatable.

Defaults to 1/8.0.

pub unsafe fn setAperture(&self, aperture: CGFloat)

👎Deprecated: Use -[SCNCamera fStop] instead with fStop = sensorHeight / aperture.

Available on crate features SceneKitDeprecated and objc2-core-foundation only.

Setter for aperture.

pub unsafe fn focalSize(&self) -> CGFloat

👎Deprecated

Available on crate features SceneKitDeprecated and objc2-core-foundation only.

Determines the receiver’s focal size. Animatable.

Determines the size of the area around focalDistance where the objects are in focus. Defaults to 0.

pub unsafe fn setFocalSize(&self, focal_size: CGFloat)

👎Deprecated

Available on crate features SceneKitDeprecated and objc2-core-foundation only.

Setter for focalSize.

pub unsafe fn focalDistance(&self) -> CGFloat

👎Deprecated

Available on crate features SceneKitDeprecated and objc2-core-foundation only.

Determines the receiver’s focal distance. Animatable.

When non zero, the focal distance determines how the camera focuses the objects in the 3d scene. Defaults to 10.0 prior to macOS 10.13, iOS 11, tvOS 11 and watchOS 4. Defaults to 2.5 otherwise.

pub unsafe fn setFocalDistance(&self, focal_distance: CGFloat)

👎Deprecated

Available on crate features SceneKitDeprecated and objc2-core-foundation only.

Setter for focalDistance.

Methods from Deref<Target = NSObject>

pub fn doesNotRecognizeSelector(&self, sel: Sel) -> !

Handle messages the object doesn’t recognize.

See Apple’s documentation for details.

Methods from Deref<Target = AnyObject>

pub fn class(&self) -> &'static AnyClass

Dynamically find the class of this object.

Example

Check that an instance of NSObject has the precise class NSObject.

use objc2::ClassType;
use objc2::runtime::NSObject;

let obj = NSObject::new();
assert_eq!(obj.class(), NSObject::class());

pub unsafe fn get_ivar<T>(&self, name: &str) -> &T

where T: Encode,

👎Deprecated: this is difficult to use correctly, use Ivar::load instead.

Use Ivar::load instead.

Safety

The object must have an instance variable with the given name, and it must be of type T.

See Ivar::load_ptr for details surrounding this.

pub fn downcast_ref<T>(&self) -> Option<&T>

where T: DowncastTarget,

Attempt to downcast the object to a class of type T.

This is the reference-variant. Use Retained::downcast if you want to convert a retained object to another type.

Mutable classes

Some classes have immutable and mutable variants, such as NSString and NSMutableString.

When some Objective-C API signature says it gives you an immutable class, it generally expects you to not mutate that, even though it may technically be mutable “under the hood”.

So using this method to convert a NSString to a NSMutableString, while not unsound, is generally frowned upon unless you created the string yourself, or the API explicitly documents the string to be mutable.

See Apple’s documentation on mutability and on isKindOfClass: for more details.

Generic classes

Objective-C generics are called “lightweight generics”, and that’s because they aren’t exposed in the runtime. This makes it impossible to safely downcast to generic collections, so this is disallowed by this method.

You can, however, safely downcast to generic collections where all the type-parameters are AnyObject.

Panics

This works internally by calling isKindOfClass:. That means that the object must have the instance method of that name, and an exception will be thrown (if CoreFoundation is linked) or the process will abort if that is not the case. In the vast majority of cases, you don’t need to worry about this, since both root objects NSObject and NSProxy implement this method.

Examples

Cast an NSString back and forth from NSObject.

use objc2::rc::Retained;
use objc2_foundation::{NSObject, NSString};

let obj: Retained<NSObject> = NSString::new().into_super();
let string = obj.downcast_ref::<NSString>().unwrap();
// Or with `downcast`, if we do not need the object afterwards
let string = obj.downcast::<NSString>().unwrap();

Try (and fail) to cast an NSObject to an NSString.

use objc2_foundation::{NSObject, NSString};

let obj = NSObject::new();
assert!(obj.downcast_ref::<NSString>().is_none());

Try to cast to an array of strings.

use objc2_foundation::{NSArray, NSObject, NSString};

let arr = NSArray::from_retained_slice(&[NSObject::new()]);
// This is invalid and doesn't type check.
let arr = arr.downcast_ref::<NSArray<NSString>>();

This fails to compile, since it would require enumerating over the array to ensure that each element is of the desired type, which is a performance pitfall.

Downcast when processing each element instead.

use objc2_foundation::{NSArray, NSObject, NSString};

let arr = NSArray::from_retained_slice(&[NSObject::new()]);

for elem in arr {
    if let Some(data) = elem.downcast_ref::<NSString>() {
        // handle `data`
    }
}

Trait Implementations

impl AsRef<AnyObject> for SCNCamera

fn as_ref(&self) -> &AnyObject

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<NSObject> for SCNCamera

fn as_ref(&self) -> &NSObject

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<SCNCamera> for SCNCamera

fn as_ref(&self) -> &Self

Converts this type into a shared reference of the (usually inferred) input type.

impl Borrow<AnyObject> for SCNCamera

fn borrow(&self) -> &AnyObject

Immutably borrows from an owned value.

impl Borrow<NSObject> for SCNCamera

fn borrow(&self) -> &NSObject

Immutably borrows from an owned value.

impl ClassType for SCNCamera

const NAME: &'static str = "SCNCamera"

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

type Super = NSObject

The superclass of this class.

type ThreadKind = <<SCNCamera as ClassType>::Super as ClassType>::ThreadKind

Whether the type can be used from any thread, or from only the main thread.

fn class() -> &'static AnyClass

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

fn as_super(&self) -> &Self::Super

Get an immutable reference to the superclass.

impl CopyingHelper for SCNCamera

type Result = SCNCamera

The immutable counterpart of the type, or Self if the type has no immutable counterpart.

impl Debug for SCNCamera

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Deref for SCNCamera

type Target = NSObject

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl Hash for SCNCamera

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Message for SCNCamera

fn retain(&self) -> Retained<Self>

where Self: Sized,

Increment the reference count of the receiver.

impl NSCoding for SCNCamera

unsafe fn encodeWithCoder(&self, coder: &NSCoder)

where Self: Sized + Message,

Available on crate feature NSCoder only.

unsafe fn initWithCoder( this: Allocated<Self>, coder: &NSCoder, ) -> Option<Retained<Self>>

where Self: Sized + Message,

Available on crate feature NSCoder only.

impl NSCopying for SCNCamera

fn copy(&self) -> Retained<Self::Result>

where Self: Sized + Message + CopyingHelper,

Returns a new instance that’s a copy of the receiver.

unsafe fn copyWithZone(&self, zone: *mut NSZone) -> Retained<Self::Result>

where Self: Sized + Message + CopyingHelper,

Returns a new instance that’s a copy of the receiver.

impl NSObjectProtocol for SCNCamera

fn isEqual(&self, other: Option<&AnyObject>) -> bool

where Self: Sized + Message,

Check whether the object is equal to an arbitrary other object.

fn hash(&self) -> usize

where Self: Sized + Message,

An integer that can be used as a table address in a hash table structure.

fn isKindOfClass(&self, cls: &AnyClass) -> bool

where Self: Sized + Message,

Check if the object is an instance of the class, or one of its subclasses.

fn is_kind_of<T>(&self) -> bool

where T: ClassType, Self: Sized + Message,

👎Deprecated: use isKindOfClass directly, or cast your objects with AnyObject::downcast_ref

Check if the object is an instance of the class type, or one of its subclasses.

fn isMemberOfClass(&self, cls: &AnyClass) -> bool

where Self: Sized + Message,

Check if the object is an instance of a specific class, without checking subclasses.

fn respondsToSelector(&self, aSelector: Sel) -> bool

where Self: Sized + Message,

Check whether the object implements or inherits a method with the given selector.

fn conformsToProtocol(&self, aProtocol: &AnyProtocol) -> bool

where Self: Sized + Message,

Check whether the object conforms to a given protocol.

fn description(&self) -> Retained<NSObject>

where Self: Sized + Message,

A textual representation of the object.

fn debugDescription(&self) -> Retained<NSObject>

where Self: Sized + Message,

A textual representation of the object to use when debugging.

fn isProxy(&self) -> bool

where Self: Sized + Message,

Check whether the receiver is a subclass of the NSProxy root class instead of the usual NSObject.

fn retainCount(&self) -> usize

where Self: Sized + Message,

The reference count of the object.

impl NSSecureCoding for SCNCamera

unsafe fn supportsSecureCoding() -> bool

where Self: Sized + ClassType,

impl PartialEq for SCNCamera

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl RefEncode for SCNCamera

const ENCODING_REF: Encoding = <NSObject as ::objc2::RefEncode>::ENCODING_REF

The Objective-C type-encoding for a reference of this type.

impl SCNAnimatable for SCNCamera

Available on crate feature SCNAnimation only.

unsafe fn addAnimation_forKey( &self, animation: &ProtocolObject<dyn SCNAnimationProtocol>, key: Option<&NSString>, )

where Self: Sized + Message,

Adds and runs an animation

unsafe fn addAnimationPlayer_forKey( &self, player: &SCNAnimationPlayer, key: Option<&NSString>, )

where Self: Sized + Message,

Add an animation player.

unsafe fn removeAllAnimations(&self)

where Self: Sized + Message,

Remove all animations.

unsafe fn removeAllAnimationsWithBlendOutDuration(&self, duration: CGFloat)

where Self: Sized + Message,

Available on crate feature objc2-core-foundation only.

Smoothly remove all animations.

unsafe fn removeAnimationForKey(&self, key: &NSString)

where Self: Sized + Message,

Remove the animation with the given identifier.

unsafe fn removeAnimationForKey_blendOutDuration( &self, key: &NSString, duration: CGFloat, )

where Self: Sized + Message,

Available on crate feature objc2-core-foundation only.

Smoothly remove the animation with the given identifier.

unsafe fn animationKeys(&self) -> Retained<NSArray<NSString>>

where Self: Sized + Message,

Returns an array containing the keys of all animations currently attached to the receiver.

unsafe fn animationPlayerForKey( &self, key: &NSString, ) -> Option<Retained<SCNAnimationPlayer>>

where Self: Sized + Message,

Returns the animation player with the given identifier

unsafe fn removeAnimationForKey_fadeOutDuration( &self, key: &NSString, duration: CGFloat, )

where Self: Sized + Message,

👎Deprecated

Available on crate feature objc2-core-foundation only.

Smoothly remove the animation with the given identifier.

unsafe fn animationForKey( &self, key: &NSString, ) -> Option<Retained<CAAnimation>>

where Self: Sized + Message,

👎Deprecated

Available on crate feature objc2-quartz-core and non-watchOS only.

Returns the animation with the given identifier

unsafe fn pauseAnimationForKey(&self, key: &NSString)

where Self: Sized + Message,

👎Deprecated: Use -[SCNAnimationPlayer setPaused:] instead

Pause the animation with the given identifier.

unsafe fn resumeAnimationForKey(&self, key: &NSString)

where Self: Sized + Message,

👎Deprecated: Use -[SCNAnimationPlayer setPaused:] instead

Resume the animation with the given identifier.

unsafe fn setSpeed_forAnimationKey(&self, speed: CGFloat, key: &NSString)

where Self: Sized + Message,

👎Deprecated: Use -[SCNAnimationPlayer setSpeed:] instead

Available on crate feature objc2-core-foundation only.

Update the animation speed of the animation with the given identifier.

unsafe fn isAnimationForKeyPaused(&self, key: &NSString) -> bool

where Self: Sized + Message,

👎Deprecated: Use -[SCNAnimationPlayer paused] instead

Returns whether the animation for the specified identifier is paused.

impl SCNTechniqueSupport for SCNCamera

Available on crate feature SCNTechnique only.

unsafe fn technique(&self) -> Option<Retained<SCNTechnique>>

where Self: Sized + Message,

Specifies the technique of the receiver. Defaults to nil.

unsafe fn setTechnique(&self, technique: Option<&SCNTechnique>)

where Self: Sized + Message,

Setter for technique.

impl DowncastTarget for SCNCamera

impl Eq for SCNCamera