mirror of
https://github.com/starovoid/rxing.git
synced 2026-07-26 04:12:34 +00:00
move more to generic points
This commit is contained in:
@@ -228,7 +228,7 @@ impl<'a> PatternView<'a> {
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let mut size = size.unwrap_or(0);
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if size == 0 {
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size = self.count - offset;
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}
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}
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// else if size < 0 {
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// size += self.count - offset;
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// }
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@@ -1,3 +1,4 @@
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use std::process::Output;
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use std::{fmt, iter::Sum};
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use std::hash::Hash;
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@@ -32,7 +33,7 @@ pub type Point = PointF;
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impl Into<PointI> for Point {
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fn into(self) -> PointI {
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PointI{
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PointI {
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x: self.x.floor() as u32,
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y: self.y.floor() as u32,
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}
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@@ -75,58 +76,82 @@ impl PartialEq for Point {
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}
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impl Eq for Point {}
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impl Point {
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pub const fn new(x: f32, y: f32) -> Self {
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Self { x, y }
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impl<T> PointT<T>
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where
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T: Copy,
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{
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pub const fn new(x: T, y: T) -> PointT<T> {
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PointT { x: x, y: y }
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}
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pub const fn with_single(x: f32) -> Self {
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pub const fn with_single(x: T) -> Self {
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Self { x, y: x }
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}
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}
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impl std::ops::AddAssign for Point {
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impl<T> std::ops::AddAssign for PointT<T>
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where
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T: std::ops::Add<Output = T> + Copy,
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{
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fn add_assign(&mut self, rhs: Self) {
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self.x = self.x + rhs.x;
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self.y = self.y + rhs.y;
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}
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}
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impl std::ops::SubAssign for Point {
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impl<T> std::ops::SubAssign for PointT<T>
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where
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T: std::ops::Sub<Output = T> + Copy,
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{
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fn sub_assign(&mut self, rhs: Self) {
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self.x = self.x - rhs.x;
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self.y = self.y - rhs.y;
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}
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}
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impl<'a> Sum<&'a Point> for Point {
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impl<'a, T> Sum<&'a PointT<T>> for PointT<T>
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where
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T: std::ops::Add<Output = T> + 'a + Default,
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PointT<T>: std::ops::Add<Output = PointT<T>> + Copy,
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{
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fn sum<I: Iterator<Item = &'a Self>>(iter: I) -> Self {
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iter.fold(Self::default(), |acc, &p| acc + p)
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}
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}
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/** This impl is temporary and is there to ease refactoring. */
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impl ResultPoint for Point {
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impl<T> ResultPoint for PointT<T>
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where
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T: Into<f32> + Copy,
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{
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fn getX(&self) -> f32 {
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self.x
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self.x.into()
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}
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fn getY(&self) -> f32 {
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self.y
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self.y.into()
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}
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fn to_rxing_result_point(&self) -> Self {
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*self
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fn to_rxing_result_point(&self) -> PointT<f32> {
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PointT {
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x: self.x.into(),
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y: self.y.into(),
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}
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}
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}
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impl fmt::Display for Point {
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impl<T> fmt::Display for PointT<T>
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where
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T: std::fmt::Display,
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{
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "({},{})", self.x, self.y)
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}
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}
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impl std::ops::Sub for Point {
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impl<T> std::ops::Sub for PointT<T>
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where
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T: std::ops::Sub<Output = T> + Copy,
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{
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type Output = Self;
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fn sub(self, rhs: Self) -> Self::Output {
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@@ -134,7 +159,10 @@ impl std::ops::Sub for Point {
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}
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}
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impl std::ops::Neg for Point {
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impl<T> std::ops::Neg for PointT<T>
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where
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T: std::ops::Neg<Output = T> + Copy,
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{
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type Output = Self;
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fn neg(self) -> Self::Output {
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@@ -142,7 +170,10 @@ impl std::ops::Neg for Point {
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}
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}
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impl std::ops::Add for Point {
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impl<T> std::ops::Add for PointT<T>
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where
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T: std::ops::Add<Output = T> + Copy,
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{
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type Output = Self;
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fn add(self, rhs: Self) -> Self::Output {
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@@ -150,7 +181,10 @@ impl std::ops::Add for Point {
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}
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}
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impl std::ops::Add<f32> for Point {
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impl<T> std::ops::Add<f32> for PointT<T>
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where
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T: Into<f32> + std::ops::Add<f32, Output = T> + Copy,
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{
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type Output = Self;
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fn add(self, rhs: f32) -> Self::Output {
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@@ -158,15 +192,21 @@ impl std::ops::Add<f32> for Point {
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}
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}
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impl std::ops::Add<Point> for f32 {
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impl<T> std::ops::Add<PointT<T>> for f32
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where
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T: std::ops::Add<f32, Output = f32>,
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{
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type Output = Point;
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fn add(self, rhs: Point) -> Self::Output {
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fn add(self, rhs: PointT<T>) -> Self::Output {
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Point::new(rhs.x + self, rhs.y + self)
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}
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}
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impl std::ops::Mul for Point {
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impl<T> std::ops::Mul for PointT<T>
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where
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T: std::ops::Mul<Output = T> + Copy,
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{
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type Output = Self;
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fn mul(self, rhs: Self) -> Self::Output {
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@@ -230,36 +270,41 @@ impl std::ops::Mul<Point> for u32 {
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}
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}
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impl Point {
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pub fn dot(self, p: Self) -> f32 {
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impl<T> PointT<T>
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where
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T: std::ops::Mul<Output = T> + std::ops::Sub<Output = T> + num::traits::real::Real,
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PointT<T>: std::ops::Div<T, Output = PointT<T>>,
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{
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pub fn dot(self, p: Self) -> T {
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self.x * p.x + self.y * p.y
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}
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pub fn cross(self, p: Self) -> f32 {
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pub fn cross(self, p: Self) -> T {
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self.x * p.y - p.x * self.y
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}
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/// L1 norm
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pub fn sumAbsComponent(self) -> f32 {
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pub fn sumAbsComponent(self) -> T {
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self.x.abs() + self.y.abs()
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}
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/// L2 norm
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pub fn length(self) -> f32 {
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pub fn length(self) -> T {
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self.x.hypot(self.y)
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}
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/// L-inf norm
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pub fn maxAbsComponent(self) -> f32 {
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f32::max(self.x.abs(), self.y.abs())
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pub fn maxAbsComponent(self) -> T {
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self.x.abs().max(self.y.abs())
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// f32::max(self.x.abs(), self.y.abs())
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}
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pub fn squaredDistance(self, p: Self) -> f32 {
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pub fn squaredDistance(self, p: Self) -> T {
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let diff = self - p;
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diff.x * diff.x + diff.y * diff.y
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}
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pub fn distance(self, p: Self) -> f32 {
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pub fn distance(self, p: Self) -> T {
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(self - p).length()
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}
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@@ -267,20 +312,15 @@ impl Point {
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Self::new(self.x.abs(), self.y.abs())
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}
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pub fn fold<U, F: Fn(f32, f32) -> U>(self, f: F) -> U {
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pub fn fold<U, F: Fn(T, T) -> U>(self, f: F) -> U {
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f(self.x, self.y)
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}
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/// Calculate a floating point pixel coordinate representing the 'center' of the pixel.
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/// This is sort of the inverse operation of the PointI(PointF) conversion constructor.
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/// See also the documentation of the GridSampler API.
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#[inline(always)]
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pub fn centered(self) -> Self {
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Self::new(self.x.floor() + 0.5, self.y.floor() + 0.5)
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}
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pub fn middle(self, p: Self) -> Self {
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(self + p) / 2.0
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pub fn middle(self, p: Self) -> Self
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where
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T: From<u8>,
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{
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(self + p) / 2.into()
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}
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pub fn normalized(self) -> Self {
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@@ -291,11 +331,14 @@ impl Point {
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self / Self::maxAbsComponent(self)
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}
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pub fn mainDirection(self) -> Self {
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pub fn mainDirection(self) -> Self
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where
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T: From<u8>,
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{
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if self.x.abs() > self.y.abs() {
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Self::new(self.x, 0.0)
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Self::new(self.x, 0.into())
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} else {
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Self::new(0.0, self.y)
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Self::new(0.into(), self.y)
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}
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}
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@@ -306,6 +349,17 @@ impl Point {
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}
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}
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/// Calculate a floating point pixel coordinate representing the 'center' of the pixel.
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/// This is sort of the inverse operation of the PointI(PointF) conversion constructor.
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/// See also the documentation of the GridSampler API.
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#[inline(always)]
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pub fn centered(self) -> PointT<f32>
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where
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T: Into<f32>,
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{
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PointT::new(self.x.floor().into() + 0.5, self.y.floor().into() + 0.5)
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}
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pub fn floor(self) -> Self {
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Self {
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x: self.x.floor(),
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@@ -314,27 +368,48 @@ impl Point {
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}
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}
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impl From<&(f32, f32)> for Point {
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fn from(&(x, y): &(f32, f32)) -> Self {
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Self::new(x, y)
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}
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}
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impl From<(f32, f32)> for Point {
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fn from((x, y): (f32, f32)) -> Self {
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Self::new(x, y)
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}
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}
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impl From<(i32, i32)> for Point {
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fn from(value: (i32, i32)) -> Self {
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Self::new(value.0 as f32, value.1 as f32)
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fn from((x, y): (i32, i32)) -> Self {
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Self::new(x as f32, y as f32)
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}
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}
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impl From<(u32, u32)> for Point {
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fn from(value: (u32, u32)) -> Self {
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Self::new(value.0 as f32, value.1 as f32)
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fn from((x, y): (u32, u32)) -> Self {
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Self::new(x as f32, y as f32)
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}
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}
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impl From<(f32, f32)> for PointI {
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fn from((x, y): (f32, f32)) -> Self {
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PointI {
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x: x.floor() as u32,
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y: y.floor() as u32,
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}
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}
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}
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impl<T> From<(T, T)> for PointT<T> {
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fn from((x, y): (T, T)) -> PointT<T> {
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PointT { x, y }
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}
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}
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impl<T> From<&(T, T)> for PointT<T>
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where
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T: Copy,
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{
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fn from(&(x, y): &(T, T)) -> PointT<T> {
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PointT { x, y }
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}
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}
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impl<T> From<T> for PointT<T>
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where
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T: Copy,
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{
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fn from(value: T) -> Self {
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Self::with_single(value)
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}
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}
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