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remove redundant bounds (Deref is supertrait of DerefMut)

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bendn 2023-09-26 12:32:12 +07:00
parent eed6423cba
commit 7c800b700e
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6 changed files with 20 additions and 42 deletions
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23
src/affine.rs
View file

@ -1,5 +1,5 @@
//! Manages the affine image transformations. //! Manages the affine image transformations.
use std::ops::{Deref, DerefMut}; use std::ops::DerefMut;
use crate::{cloner::ImageCloner, Image}; use crate::{cloner::ImageCloner, Image};
@ -45,7 +45,7 @@ impl<const CHANNELS: usize> ImageCloner<'_, CHANNELS> {
} }
} }
impl<const CHANNELS: usize, T: Deref<Target = [u8]> + DerefMut<Target = [u8]>> Image<T, CHANNELS> { impl<const CHANNELS: usize, T: DerefMut<Target = [u8]>> Image<T, CHANNELS> {
/// Flip an image vertically. /// Flip an image vertically.
pub fn flip_v(&mut self) { pub fn flip_v(&mut self) {
for y in 0..self.height() / 2 { for y in 0..self.height() / 2 {
@ -131,7 +131,7 @@ impl<const CHANNELS: usize> ImageCloner<'_, CHANNELS> {
} }
} }
impl<const CHANNELS: usize, T: Deref<Target = [u8]> + DerefMut<Target = [u8]>> Image<T, CHANNELS> { impl<const CHANNELS: usize, T: DerefMut<Target = [u8]>> Image<T, CHANNELS> {
/// Rotate an image 180 degrees clockwise. /// Rotate an image 180 degrees clockwise.
pub fn rot_180(&mut self) { pub fn rot_180(&mut self) {
self.flatten_mut().reverse(); self.flatten_mut().reverse();
@ -166,7 +166,7 @@ impl<const CHANNELS: usize, T: Deref<Target = [u8]> + DerefMut<Target = [u8]>> I
/// # Safety /// # Safety
/// ///
/// UB if supplied image rectangular /// UB if supplied image rectangular
unsafe fn transpose<const CHANNELS: usize, T: Deref<Target = [u8]> + DerefMut<Target = [u8]>>( unsafe fn transpose<const CHANNELS: usize, T: DerefMut<Target = [u8]>>(
img: &mut Image<T, CHANNELS>, img: &mut Image<T, CHANNELS>,
) { ) {
debug_assert_eq!(img.width(), img.height()); debug_assert_eq!(img.width(), img.height());
@ -184,10 +184,7 @@ unsafe fn transpose<const CHANNELS: usize, T: Deref<Target = [u8]> + DerefMut<Ta
/// # Safety /// # Safety
/// ///
/// UB if image not square /// UB if image not square
unsafe fn transpose_non_power_of_two< unsafe fn transpose_non_power_of_two<const CHANNELS: usize, T: DerefMut<Target = [u8]>>(
const CHANNELS: usize,
T: Deref<Target = [u8]> + DerefMut<Target = [u8]>,
>(
img: &mut Image<T, CHANNELS>, img: &mut Image<T, CHANNELS>,
) { ) {
debug_assert_eq!(img.width(), img.height()); debug_assert_eq!(img.width(), img.height());
@ -208,10 +205,7 @@ const TILE: usize = 4;
/// # Safety /// # Safety
/// ///
/// be careful /// be careful
unsafe fn transpose_tile< unsafe fn transpose_tile<const CHANNELS: usize, T: DerefMut<Target = [u8]>>(
const CHANNELS: usize,
T: Deref<Target = [u8]> + DerefMut<Target = [u8]>,
>(
img: &mut Image<T, CHANNELS>, img: &mut Image<T, CHANNELS>,
row: usize, row: usize,
col: usize, col: usize,
@ -247,10 +241,7 @@ unsafe fn transpose_tile<
/// # Safety /// # Safety
/// ///
/// be careful /// be careful
unsafe fn transpose_diag< unsafe fn transpose_diag<const CHANNELS: usize, T: DerefMut<Target = [u8]>>(
const CHANNELS: usize,
T: Deref<Target = [u8]> + DerefMut<Target = [u8]>,
>(
img: &mut Image<T, CHANNELS>, img: &mut Image<T, CHANNELS>,
pos: usize, pos: usize,
size: usize, size: usize,

4
src/drawing/box.rs
View file

@ -1,9 +1,9 @@
//! `Box<cat>` //! `Box<cat>`
use std::ops::{Deref, DerefMut, Range}; use std::ops::{DerefMut, Range};
use crate::Image; use crate::Image;
impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> { impl<T: DerefMut<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> {
/// Draw a bordered box /// Draw a bordered box
/// ``` /// ```
/// # use fimg::Image; /// # use fimg::Image;

7
src/drawing/line.rs
View file

@ -1,10 +1,7 @@
//! adds a `line` function to Image //! adds a `line` function to Image
#![allow(clippy::missing_docs_in_private_items)] #![allow(clippy::missing_docs_in_private_items)]
use crate::Image; use crate::Image;
use std::{ use std::{iter::Iterator, ops::DerefMut};
iter::Iterator,
ops::{Deref, DerefMut},
};
/// taken from [bresenham-rs](https://github.com/mbr/bresenham-rs) /// taken from [bresenham-rs](https://github.com/mbr/bresenham-rs)
pub struct Bresenham { pub struct Bresenham {
@ -130,7 +127,7 @@ impl Iterator for Bresenham {
} }
} }
impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> { impl<T: DerefMut<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> {
/// Draw a line from point a to point b. /// Draw a line from point a to point b.
/// ///
/// Points not in bounds will not be included. /// Points not in bounds will not be included.

4
src/drawing/poly.rs
View file

@ -1,12 +1,12 @@
//! draw polygons //! draw polygons
use std::{ use std::{
cmp::{max, min}, cmp::{max, min},
ops::{Deref, DerefMut}, ops::DerefMut,
}; };
use crate::Image; use crate::Image;
impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> { impl<T: DerefMut<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> {
/// Draws a filled polygon from a slice of points. Please close your poly. (first == last) /// Draws a filled polygon from a slice of points. Please close your poly. (first == last)
/// ///
/// Borrowed from [imageproc](https://docs.rs/imageproc/latest/src/imageproc/drawing/polygon.rs.html#31), modified for less allocations. /// Borrowed from [imageproc](https://docs.rs/imageproc/latest/src/imageproc/drawing/polygon.rs.html#31), modified for less allocations.

4
src/drawing/tri.rs
View file

@ -1,9 +1,9 @@
//! trongle drawing //! trongle drawing
use std::ops::{Deref, DerefMut}; use std::ops::DerefMut;
use crate::Image; use crate::Image;
impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> { impl<T: DerefMut<Target = [u8]>, const CHANNELS: usize> Image<T, CHANNELS> {
/// Draw a (filled) triangle /// Draw a (filled) triangle
/// ``` /// ```
/// # use fimg::*; /// # use fimg::*;

20
src/overlay.rs
View file

@ -100,9 +100,7 @@ unsafe fn blit(rgb: &mut [u8], rgba: &[u8]) {
} }
} }
impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> impl<T: DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> Overlay<Image<U, 4>> for Image<T, 4> {
Overlay<Image<U, 4>> for Image<T, 4>
{
#[inline] #[inline]
unsafe fn overlay(&mut self, with: &Image<U, 4>) -> &mut Self { unsafe fn overlay(&mut self, with: &Image<U, 4>) -> &mut Self {
debug_assert!(self.width() == with.width()); debug_assert!(self.width() == with.width());
@ -129,9 +127,7 @@ impl ClonerOverlay<4, 4> for ImageCloner<'_, 4> {
} }
} }
impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> impl<T: DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> OverlayAt<Image<U, 4>> for Image<T, 3> {
OverlayAt<Image<U, 4>> for Image<T, 3>
{
#[inline] #[inline]
unsafe fn overlay_at(&mut self, with: &Image<U, 4>, x: u32, y: u32) -> &mut Self { unsafe fn overlay_at(&mut self, with: &Image<U, 4>, x: u32, y: u32) -> &mut Self {
// SAFETY: caller upholds this // SAFETY: caller upholds this
@ -167,9 +163,7 @@ impl ClonerOverlayAt<4, 3> for ImageCloner<'_, 3> {
} }
} }
impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> impl<T: DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> OverlayAt<Image<U, 3>> for Image<T, 3> {
OverlayAt<Image<U, 3>> for Image<T, 3>
{
/// Overlay a RGB image(with) => self at coordinates x, y. /// Overlay a RGB image(with) => self at coordinates x, y.
/// As this is a `RGBxRGB` operation, blending is unnecessary, /// As this is a `RGBxRGB` operation, blending is unnecessary,
/// and this is simply a copy. /// and this is simply a copy.
@ -208,9 +202,7 @@ impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, U: Deref<Target = [u8]>>
} }
} }
impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> impl<T: DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> Overlay<Image<U, 4>> for Image<T, 3> {
Overlay<Image<U, 4>> for Image<T, 3>
{
#[inline] #[inline]
unsafe fn overlay(&mut self, with: &Image<U, 4>) -> &mut Self { unsafe fn overlay(&mut self, with: &Image<U, 4>) -> &mut Self {
debug_assert!(self.width() == with.width()); debug_assert!(self.width() == with.width());
@ -244,9 +236,7 @@ impl ClonerOverlay<4, 3> for ImageCloner<'_, 3> {
} }
} }
impl<T: Deref<Target = [u8]> + DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> impl<T: DerefMut<Target = [u8]>, U: Deref<Target = [u8]>> OverlayAt<Image<U, 4>> for Image<T, 4> {
OverlayAt<Image<U, 4>> for Image<T, 4>
{
#[inline] #[inline]
/// Overlay with => self at coordinates x, y, without blending /// Overlay with => self at coordinates x, y, without blending
/// ///