bendn/fimg
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Image::to_owned for &mut [T] too

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bendn 2023-09-06 19:28:53 +07:00
parent b618a22c88
commit c997bf1990
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2 changed files with 17 additions and 10 deletions
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2
Cargo.toml
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@ -1,6 +1,6 @@
[package] [package]
name = "fimg" name = "fimg"
version = "0.3.2" version = "0.3.3"
authors = ["bend-n <bend.n@outlook.com>"] authors = ["bend-n <bend.n@outlook.com>"]
license = "MIT" license = "MIT"
edition = "2021" edition = "2021"

25
src/lib.rs
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@ -136,6 +136,22 @@ impl<T, const CHANNELS: usize> Image<T, CHANNELS> {
} }
} }
impl<const CHANNELS: usize, T: Clone> Image<&[T], CHANNELS> {
/// Allocate a new `Image<Vec<T>>` from this imageref.
pub fn to_owned(&self) -> Image<Vec<T>, CHANNELS> {
// SAFETY: we have been constructed already, so must be valid
unsafe { Image::new(self.width, self.height, self.buffer.to_vec()) }
}
}
impl<const CHANNELS: usize, T: Clone> Image<&mut [T], CHANNELS> {
/// Allocate a new `Image<Vec<T>>` from this mutable imageref.
pub fn to_owned(&self) -> Image<Vec<T>, CHANNELS> {
// SAFETY: we have been constructed already, so must be valid
unsafe { Image::new(self.width, self.height, self.buffer.to_vec()) }
}
}
impl<const CHANNELS: usize> Image<&[u8], CHANNELS> { impl<const CHANNELS: usize> Image<&[u8], CHANNELS> {
#[inline] #[inline]
#[must_use] #[must_use]
@ -159,7 +175,6 @@ impl<const CHANNELS: usize> Image<&[u8], CHANNELS> {
/// let img = Image::make::<5, 5>(); /// let img = Image::make::<5, 5>();
/// # let img: Image<_, 4> = img; /// # let img: Image<_, 4> = img;
/// ``` /// ```
pub const fn make<'a, const WIDTH: u32, const HEIGHT: u32>() -> Image<&'a [u8], CHANNELS> pub const fn make<'a, const WIDTH: u32, const HEIGHT: u32>() -> Image<&'a [u8], CHANNELS>
where where
[(); CHANNELS * WIDTH as usize * HEIGHT as usize]: Sized, [(); CHANNELS * WIDTH as usize * HEIGHT as usize]: Sized,
@ -170,12 +185,6 @@ impl<const CHANNELS: usize> Image<&[u8], CHANNELS> {
buffer: &[0; CHANNELS * WIDTH as usize * HEIGHT as usize], buffer: &[0; CHANNELS * WIDTH as usize * HEIGHT as usize],
} }
} }
/// Allocate a new Image<Vec<u8>>.
pub fn to_owned(&self) -> Image<Vec<u8>, CHANNELS> {
// SAFETY: we have been constructed already, so must be valid
unsafe { Image::new(self.width, self.height, self.buffer.to_vec()) }
}
} }
impl<T: std::ops::Deref<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> { impl<T: std::ops::Deref<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> {
@ -266,9 +275,7 @@ impl<const CHANNELS: usize> Image<&mut [u8], CHANNELS> {
// SAFETY: we got constructed okay, parameters must be valid // SAFETY: we got constructed okay, parameters must be valid
unsafe { Image::new(self.width, self.height, self.buffer) } unsafe { Image::new(self.width, self.height, self.buffer) }
} }
}
impl<const CHANNELS: usize> Image<&mut [u8], CHANNELS> {
/// Copy this ref image /// Copy this ref image
pub fn copy(&mut self) -> Image<&mut [u8], CHANNELS> { pub fn copy(&mut self) -> Image<&mut [u8], CHANNELS> {
#[allow(clippy::undocumented_unsafe_blocks)] #[allow(clippy::undocumented_unsafe_blocks)]