objc2_av_foundation/generated/
AVCaptureSystemExposureBiasSlider.rs

1//! This file has been automatically generated by `objc2`'s `header-translator`.
2//! DO NOT EDIT
3use core::ffi::*;
4use core::ptr::NonNull;
5use objc2::__framework_prelude::*;
6
7use crate::*;
8
9extern_class!(
10    /// The system's recommended continuous exposure bias control for `-[AVCaptureDevice exposureTargetBias]`.
11    ///
12    ///
13    /// `AVCaptureSystemExposureBiasSlider` uses the range specified by `systemRecommendedExposureBiasRange` on the `activeFormat` from the `AVCaptureDevice` specified during initialization. As the device's `activeFormat` changes, the slider updates its range with the new format's `systemRecommendedExposureBiasRange`.
14    ///
15    /// Controls may be added to an `AVCaptureSession` using `-[AVCaptureSession addControl:]`.
16    ///
17    /// See also [Apple's documentation](https://developer.apple.com/documentation/avfoundation/avcapturesystemexposurebiasslider?language=objc)
18    #[unsafe(super(AVCaptureControl, NSObject))]
19    #[derive(Debug, PartialEq, Eq, Hash)]
20    #[cfg(feature = "AVCaptureControl")]
21    pub struct AVCaptureSystemExposureBiasSlider;
22);
23
24#[cfg(feature = "AVCaptureControl")]
25extern_conformance!(
26    unsafe impl NSObjectProtocol for AVCaptureSystemExposureBiasSlider {}
27);
28
29#[cfg(feature = "AVCaptureControl")]
30impl AVCaptureSystemExposureBiasSlider {
31    extern_methods!(
32        #[cfg(feature = "AVCaptureDevice")]
33        /// Initializes an `AVCaptureSystemExposureBiasSlider` for controlling `device`.
34        ///
35        ///
36        /// Parameter `device`: The device to control.
37        ///
38        ///
39        /// `AVCaptureSystemExposureBiasSlider` may only be initialized with `AVCaptureDevice` instances that support setting `exposureTargetBias`, otherwise an `NSInvalidArgumentException` is thrown.
40        #[unsafe(method(initWithDevice:))]
41        #[unsafe(method_family = init)]
42        pub unsafe fn initWithDevice(
43            this: Allocated<Self>,
44            device: &AVCaptureDevice,
45        ) -> Retained<Self>;
46
47        #[cfg(all(feature = "AVCaptureDevice", feature = "block2"))]
48        /// Initializes an `AVCaptureSystemExposureBiasSlider` for controlling `device` with a `
49        /// MainThreadOnly` `action` for handling `exposureTargetBias` changes.
50        ///
51        ///
52        /// Parameter `device`: The device to control.
53        ///
54        /// Parameter `action`: An action called on `
55        /// MainThreadOnly` to handle `exposureTargetBias` changes by `AVCaptureSystemExposureBiasSlider`.
56        ///
57        ///
58        /// `action` is **only** called when `exposureTargetBias` is changed by this control. Clients should not change `exposureTargetBias` on the device when `action` is called.
59        ///
60        /// If you need to react to other sources of `exposureTargetBias` changes, you will still need to use key-value observation.
61        ///
62        /// `AVCaptureSystemExposureBiasSlider` may only be initialized with `AVCaptureDevice` instances that support setting `exposureTargetBias`, otherwise an `NSInvalidArgumentException` is thrown.
63        #[unsafe(method(initWithDevice:action:))]
64        #[unsafe(method_family = init)]
65        pub unsafe fn initWithDevice_action(
66            this: Allocated<Self>,
67            device: &AVCaptureDevice,
68            action: &block2::DynBlock<dyn Fn(c_float)>,
69        ) -> Retained<Self>;
70    );
71}
72
73/// Methods declared on superclass `AVCaptureControl`.
74#[cfg(feature = "AVCaptureControl")]
75impl AVCaptureSystemExposureBiasSlider {
76    extern_methods!(
77        #[unsafe(method(init))]
78        #[unsafe(method_family = init)]
79        pub unsafe fn init(this: Allocated<Self>) -> Retained<Self>;
80
81        #[unsafe(method(new))]
82        #[unsafe(method_family = new)]
83        pub unsafe fn new() -> Retained<Self>;
84    );
85}
objc2_av_foundation/generated/AVCaptureSystemExposureBiasSlider.rs

objc2_av_foundation/generated/
AVCaptureSystemExposureBiasSlider.rs
