objc2_core_graphics/generated/
CGFunction.rs

1//! This file has been automatically generated by `objc2`'s `header-translator`.
2//! DO NOT EDIT
3use core::cell::UnsafeCell;
4use core::ffi::*;
5use core::marker::{PhantomData, PhantomPinned};
6use core::ptr::NonNull;
7#[cfg(feature = "objc2")]
8use objc2::__framework_prelude::*;
9use objc2_core_foundation::*;
10
11use crate::*;
12
13/// [Apple's documentation](https://developer.apple.com/documentation/coregraphics/cgfunction?language=objc)
14#[doc(alias = "CGFunctionRef")]
15#[repr(C)]
16pub struct CGFunction {
17    inner: [u8; 0],
18    _p: UnsafeCell<PhantomData<(*const UnsafeCell<()>, PhantomPinned)>>,
19}
20
21cf_type!(
22    unsafe impl CGFunction {}
23);
24#[cfg(feature = "objc2")]
25cf_objc2_type!(
26    unsafe impl RefEncode<"CGFunction"> for CGFunction {}
27);
28
29/// [Apple's documentation](https://developer.apple.com/documentation/coregraphics/cgfunctionevaluatecallback?language=objc)
30pub type CGFunctionEvaluateCallback =
31    Option<unsafe extern "C-unwind" fn(*mut c_void, NonNull<CGFloat>, NonNull<CGFloat>)>;
32
33/// [Apple's documentation](https://developer.apple.com/documentation/coregraphics/cgfunctionreleaseinfocallback?language=objc)
34pub type CGFunctionReleaseInfoCallback = Option<unsafe extern "C-unwind" fn(*mut c_void)>;
35
36/// [Apple's documentation](https://developer.apple.com/documentation/coregraphics/cgfunctioncallbacks?language=objc)
37#[repr(C)]
38#[allow(unpredictable_function_pointer_comparisons)]
39#[derive(Clone, Copy, Debug, PartialEq)]
40pub struct CGFunctionCallbacks {
41    pub version: c_uint,
42    pub evaluate: CGFunctionEvaluateCallback,
43    pub releaseInfo: CGFunctionReleaseInfoCallback,
44}
45
46#[cfg(feature = "objc2")]
47unsafe impl Encode for CGFunctionCallbacks {
48    const ENCODING: Encoding = Encoding::Struct(
49        "CGFunctionCallbacks",
50        &[
51            <c_uint>::ENCODING,
52            <CGFunctionEvaluateCallback>::ENCODING,
53            <CGFunctionReleaseInfoCallback>::ENCODING,
54        ],
55    );
56}
57
58#[cfg(feature = "objc2")]
59unsafe impl RefEncode for CGFunctionCallbacks {
60    const ENCODING_REF: Encoding = Encoding::Pointer(&Self::ENCODING);
61}
62
63unsafe impl ConcreteType for CGFunction {
64    #[doc(alias = "CGFunctionGetTypeID")]
65    #[inline]
66    fn type_id() -> CFTypeID {
67        extern "C-unwind" {
68            fn CGFunctionGetTypeID() -> CFTypeID;
69        }
70        unsafe { CGFunctionGetTypeID() }
71    }
72}
73
74impl CGFunction {
75    /// # Safety
76    ///
77    /// - `info` must be a valid pointer or null.
78    /// - `domain` must be a valid pointer or null.
79    /// - `range` must be a valid pointer or null.
80    /// - `callbacks` must be a valid pointer or null.
81    #[doc(alias = "CGFunctionCreate")]
82    #[inline]
83    pub unsafe fn new(
84        info: *mut c_void,
85        domain_dimension: usize,
86        domain: *const CGFloat,
87        range_dimension: usize,
88        range: *const CGFloat,
89        callbacks: *const CGFunctionCallbacks,
90    ) -> Option<CFRetained<CGFunction>> {
91        extern "C-unwind" {
92            fn CGFunctionCreate(
93                info: *mut c_void,
94                domain_dimension: usize,
95                domain: *const CGFloat,
96                range_dimension: usize,
97                range: *const CGFloat,
98                callbacks: *const CGFunctionCallbacks,
99            ) -> Option<NonNull<CGFunction>>;
100        }
101        let ret = unsafe {
102            CGFunctionCreate(
103                info,
104                domain_dimension,
105                domain,
106                range_dimension,
107                range,
108                callbacks,
109            )
110        };
111        ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
112    }
113}
114
115#[deprecated = "renamed to `CGFunction::new`"]
116#[inline]
117pub unsafe extern "C-unwind" fn CGFunctionCreate(
118    info: *mut c_void,
119    domain_dimension: usize,
120    domain: *const CGFloat,
121    range_dimension: usize,
122    range: *const CGFloat,
123    callbacks: *const CGFunctionCallbacks,
124) -> Option<CFRetained<CGFunction>> {
125    extern "C-unwind" {
126        fn CGFunctionCreate(
127            info: *mut c_void,
128            domain_dimension: usize,
129            domain: *const CGFloat,
130            range_dimension: usize,
131            range: *const CGFloat,
132            callbacks: *const CGFunctionCallbacks,
133        ) -> Option<NonNull<CGFunction>>;
134    }
135    let ret = unsafe {
136        CGFunctionCreate(
137            info,
138            domain_dimension,
139            domain,
140            range_dimension,
141            range,
142            callbacks,
143        )
144    };
145    ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
146}
objc2_core_graphics/generated/CGFunction.rs

objc2_core_graphics/generated/
CGFunction.rs
