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use std::ffi::c_void;
pub trait Boxed: Sized {
unsafe fn from_raw(ptr: *mut c_void) -> Self;
fn into_raw(self) -> *mut c_void;
fn as_raw(&self) -> *const c_void;
fn as_raw_mut(&mut self) -> *mut c_void;
}
#[macro_export]
macro_rules! opencv_type_boxed {
($type: ty) => {
impl $crate::traits::Boxed for $type {
#[inline]
unsafe fn from_raw(ptr: *mut std::ffi::c_void) -> Self {
Self { ptr }
}
#[inline]
fn into_raw(self) -> *mut std::ffi::c_void {
std::mem::ManuallyDrop::new(self).ptr
}
#[inline]
fn as_raw(&self) -> *const std::ffi::c_void {
self.ptr
}
#[inline]
fn as_raw_mut(&mut self) -> *mut std::ffi::c_void {
self.ptr
}
}
impl $crate::traits::OpenCVType<'_> for $type {
type Arg = Self;
type ExternReceive = *mut std::ffi::c_void;
type ExternContainer = Self;
#[inline]
fn opencv_into_extern_container(self) -> $crate::Result<Self::ExternContainer> {
Ok(self)
}
#[inline]
fn opencv_into_extern_container_nofail(self) -> Self::ExternContainer {
self
}
#[inline]
unsafe fn opencv_from_extern(s: Self::ExternReceive) -> Self {
Self::from_raw(s)
}
}
impl $crate::traits::OpenCVTypeArg<'_> for $type {
type ExternContainer = Self;
#[inline]
fn opencv_into_extern_container(self) -> $crate::Result<Self::ExternContainer> {
Ok(self)
}
#[inline]
fn opencv_into_extern_container_nofail(self) -> Self::ExternContainer {
self
}
}
impl $crate::traits::OpenCVTypeExternContainer for $type {
type ExternSend = *const std::ffi::c_void;
type ExternSendMut = *mut std::ffi::c_void;
#[inline]
fn opencv_as_extern(&self) -> Self::ExternSend {
self.as_raw()
}
#[inline]
fn opencv_as_extern_mut(&mut self) -> Self::ExternSendMut {
self.as_raw_mut()
}
}
};
}