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authormetamuffin <metamuffin@disroot.org>2025-05-05 15:09:54 +0200
committermetamuffin <metamuffin@disroot.org>2025-05-05 15:09:54 +0200
commit306f96164784a8cbf405e72fa4364d6523366e95 (patch)
tree51717fc139871baa438aad806f4923669ae0896c /evc/src/helpers
parent9cc089e2d6e841879e430b01d2f3d92c8820523e (diff)
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-rw-r--r--evc/src/helpers/matrix.rs33
-rw-r--r--evc/src/helpers/mod.rs4
-rw-r--r--evc/src/helpers/pixel.rs81
-rw-r--r--evc/src/helpers/threading.rs26
-rw-r--r--evc/src/helpers/vector.rs126
5 files changed, 0 insertions, 270 deletions
diff --git a/evc/src/helpers/matrix.rs b/evc/src/helpers/matrix.rs
deleted file mode 100644
index 0007440..0000000
--- a/evc/src/helpers/matrix.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-use crate::helpers::vector::Vec2;
-
-#[derive(Debug, Clone, Copy, PartialEq)]
-pub struct Mat2<T> {
- pub a: T,
- pub b: T,
- pub c: T,
- pub d: T,
-}
-
-impl<T: std::ops::Mul<Output = T> + std::ops::Add<Output = T> + Copy> Mat2<T> {
- #[inline]
- pub fn transform(&self, v: Vec2<T>) -> Vec2<T> {
- Vec2 {
- x: self.a * v.x + self.b * v.y,
- y: self.c * v.x + self.d * v.y,
- }
- }
-}
-
-impl<T: std::ops::Mul<Output = T> + std::ops::Add<Output = T> + Copy> std::ops::Mul for Mat2<T> {
- type Output = Mat2<T>;
- #[inline]
- fn mul(self, rhs: Mat2<T>) -> Mat2<T> {
- let (x, y) = (self, rhs);
- Mat2 {
- a: x.a * y.a + x.b * y.c,
- b: x.a * y.b + x.b * y.d,
- c: x.c * y.a + x.d * y.c,
- d: x.c * y.b + x.d * y.d,
- }
- }
-}
diff --git a/evc/src/helpers/mod.rs b/evc/src/helpers/mod.rs
deleted file mode 100644
index d3aa3d2..0000000
--- a/evc/src/helpers/mod.rs
+++ /dev/null
@@ -1,4 +0,0 @@
-pub mod vector;
-pub mod threading;
-pub mod matrix;
-pub mod pixel;
diff --git a/evc/src/helpers/pixel.rs b/evc/src/helpers/pixel.rs
deleted file mode 100644
index 39fe98c..0000000
--- a/evc/src/helpers/pixel.rs
+++ /dev/null
@@ -1,81 +0,0 @@
-use crate::format::ser::{Ser, Sink, Source};
-
-#[derive(Copy, Clone, Debug, Default, PartialEq)]
-pub struct Pixel {
- pub r: u8,
- pub g: u8,
- pub b: u8,
-}
-
-impl Ser for Pixel {
- fn write(&self, sink: &mut impl std::io::Write) -> anyhow::Result<()> {
- sink.put((self.r, self.g, self.b))
- }
-
- fn read(source: &mut impl std::io::Read) -> anyhow::Result<Self> {
- let (r, g, b) = source.get()?;
- Ok(Self { r, g, b })
- }
-}
-
-impl Pixel {
- pub const BLACK: Pixel = Pixel { r: 0, g: 0, b: 0 };
- #[inline]
- pub fn distance(a: Pixel, b: Pixel) -> usize {
- let (rd, gd, bd) = (
- a.r.abs_diff(b.r) as usize,
- a.g.abs_diff(b.g) as usize,
- a.b.abs_diff(b.b) as usize,
- );
- // fast_sqrt(rd * rd + gd * gd + bd * bd)
- // SQRT[rd + gd + bd]
- rd + gd + bd
- }
-
- #[inline]
- pub fn average(a: Pixel, b: Pixel) -> Pixel {
- Pixel {
- r: ((a.r as u16 + b.r as u16) >> 1) as u8,
- g: ((a.g as u16 + b.g as u16) >> 1) as u8,
- b: ((a.b as u16 + b.b as u16) >> 1) as u8,
- }
- }
-
- #[inline]
- pub fn scale(&self, factor: f32) -> Pixel {
- Pixel {
- r: ((self.r as f32) * factor).clamp(0.0, 255.0) as u8,
- g: ((self.g as f32) * factor).clamp(0.0, 255.0) as u8,
- b: ((self.b as f32) * factor).clamp(0.0, 255.0) as u8,
- }
- }
-}
-
-pub const SQRT: [usize; 256 * 3] = gen_sqrt_lookup();
-
-const fn gen_sqrt_lookup<const N: usize>() -> [usize; N] {
- let mut arr = [0; N];
- let mut i = 0;
- while i < N {
- arr[i] = sqrt(i as f32) as usize;
- i += 1;
- }
- arr
-}
-
-const fn sqrt(x: f32) -> f32 {
- let a = 1.0;
- let a = (a + x / a) * 0.5;
- let a = (a + x / a) * 0.5;
- let a = (a + x / a) * 0.5;
- a
-}
-
-pub fn fast_sqrt(x: usize) -> usize {
- let a = 1;
- let a = (a + x / (a + 1)) / 2;
- let a = (a + x / (a + 1)) / 2;
- // let a = (a + x / (a + 1)) / 2;
- // let a = (a + x / (a + 1)) / 2;
- a
-}
diff --git a/evc/src/helpers/threading.rs b/evc/src/helpers/threading.rs
deleted file mode 100644
index 3291172..0000000
--- a/evc/src/helpers/threading.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-use std::{
- sync::atomic::{AtomicUsize, Ordering},
- thread,
-};
-
-static THREADS_RUNNING: AtomicUsize = AtomicUsize::new(0);
-
-pub fn both_par<F1, F2, O1, O2>(f1: F1, f2: F2, max_threads: usize) -> (O1, O2)
-where
- F1: FnOnce() -> O1 + Send + 'static,
- O1: Send + 'static,
- F2: FnOnce() -> O2,
-{
- if THREADS_RUNNING.load(Ordering::Relaxed) < max_threads {
- THREADS_RUNNING.fetch_add(1, Ordering::Relaxed);
-
- let o1h = thread::spawn(move || f1());
- let o2 = f2();
- let o1 = o1h.join().unwrap();
-
- THREADS_RUNNING.fetch_sub(1, Ordering::Relaxed);
- (o1, o2)
- } else {
- (f1(), f2())
- }
-}
diff --git a/evc/src/helpers/vector.rs b/evc/src/helpers/vector.rs
deleted file mode 100644
index a4766d1..0000000
--- a/evc/src/helpers/vector.rs
+++ /dev/null
@@ -1,126 +0,0 @@
-#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
-pub struct Vec2<T> {
- pub x: T,
- pub y: T,
-}
-
-impl From<Vec2<isize>> for Vec2<u16> {
- fn from(value: Vec2<isize>) -> Self {
- Self {
- x: value.x as u16,
- y: value.y as u16,
- }
- }
-}
-impl From<Vec2<u16>> for Vec2<isize> {
- fn from(value: Vec2<u16>) -> Self {
- Self {
- x: value.x as isize,
- y: value.y as isize,
- }
- }
-}
-impl From<Vec2<f32>> for Vec2<isize> {
- fn from(value: Vec2<f32>) -> Self {
- Self {
- x: value.x as isize,
- y: value.y as isize,
- }
- }
-}
-
-impl Vec2<isize> {
- pub const ZERO: Vec2<isize> = Vec2 { x: 0, y: 0 };
- pub const UP: Vec2<isize> = Vec2 { x: 0, y: -1 };
- pub const LEFT: Vec2<isize> = Vec2 { x: -1, y: 0 };
-}
-impl Vec2<f32> {
- pub const ZERO: Vec2<f32> = Vec2 { x: 0.0, y: 0.0 };
- pub const UP: Vec2<f32> = Vec2 { x: 0.0, y: -1.0 };
- pub const LEFT: Vec2<f32> = Vec2 { x: -1.0, y: 0.0 };
-}
-
-impl<T: std::ops::Div<Output = T> + Copy> Vec2<T> {
- pub fn downscale(&self, f: T) -> Self {
- Self {
- x: self.x / f,
- y: self.y / f,
- }
- }
-}
-
-impl<T: std::ops::Mul<Output = T> + Copy> Vec2<T> {
- pub fn scale(&self, f: T) -> Self {
- Self {
- x: self.x * f,
- y: self.y * f,
- }
- }
- pub fn area(&self) -> T {
- self.x * self.y
- }
-}
-
-impl Vec2<isize> {
- pub fn x_only(&self) -> Self {
- Self { x: self.x, y: 0 }
- }
- pub fn y_only(&self) -> Self {
- Self { x: 0, y: self.y }
- }
-}
-
-impl Into<Vec2<f32>> for Vec2<isize> {
- fn into(self) -> Vec2<f32> {
- Vec2 {
- x: self.x as f32,
- y: self.y as f32,
- }
- }
-}
-impl From<(isize, isize)> for Vec2<f32> {
- fn from((x, y): (isize, isize)) -> Self {
- Vec2 {
- x: x as f32,
- y: y as f32,
- }
- }
-}
-
-impl<T: std::ops::Add> std::ops::Add for Vec2<T> {
- type Output = Vec2<T::Output>;
- #[inline]
- fn add(self, rhs: Self) -> Self::Output {
- Vec2 {
- x: self.x + rhs.x,
- y: self.y + rhs.y,
- }
- }
-}
-impl<T: std::ops::Sub> std::ops::Sub for Vec2<T> {
- type Output = Vec2<T::Output>;
- #[inline]
- fn sub(self, rhs: Self) -> Self::Output {
- Vec2 {
- x: self.x - rhs.x,
- y: self.y - rhs.y,
- }
- }
-}
-impl<T: std::ops::Mul> std::ops::Mul for Vec2<T> {
- type Output = Vec2<T::Output>;
- #[inline]
- fn mul(self, rhs: Self) -> Self::Output {
- Vec2 {
- x: self.x * rhs.x,
- y: self.y * rhs.y,
- }
- }
-}
-
-impl<T> From<(T, T)> for Vec2<T> {
- #[inline]
- fn from((x, y): (T, T)) -> Self {
- Vec2 { x, y }
- }
-}