From 418416425b2211ce55d1ff3a0e3883978cdb330c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20M=C3=BCller?= <felixmueller1620@gmail.com>
Date: Sun, 4 Jun 2023 22:28:33 +0200
Subject: [PATCH] added the Image Struct and basic functions and traits for it

---
 src/image/mod.rs | 100 +++++++++++++++++++++++++++++++++++++++++++++++
 src/lib.rs       |   4 ++
 2 files changed, 104 insertions(+)
 create mode 100644 src/image/mod.rs

diff --git a/src/image/mod.rs b/src/image/mod.rs
new file mode 100644
index 0000000..0802113
--- /dev/null
+++ b/src/image/mod.rs
@@ -0,0 +1,100 @@
+use std::ops::{Add, Div, Index, IndexMut, Mul, Sub};
+use std::vec::IntoIter;
+
+
+#[allow(unused)]
+#[derive(Default)]
+pub struct Image<T>
+where
+    T: Add + Sub + Mul + Div + PartialEq + Default + Copy,
+{
+    ///the width of the Picture in px
+    width: u32,
+    ///the height of the Picture in px
+    height: u32,
+    ///the raw RGBA data of the Picture where the RGBA values of an pixel is one tuple
+    pixels: Vec<(T, T, T, T)>,
+}
+
+impl<T> Image<T>
+where
+    T: Add + Sub + Mul + Div + PartialEq + Default + Copy,
+{
+    ///gives an Image with specified values if the Vec matches the width times the height of the Image
+
+    pub fn new(width: u32, height: u32, pixels: Vec<(T, T, T, T)>) -> Self {
+        if width * height != pixels.len() as u32 {
+            panic!("The Image does not have the same number of pixel as width and height implies")
+        } else {
+            Self {
+                width,
+                height,
+                pixels,
+            }
+        }
+    }
+
+    pub fn width(&self) -> u32 {
+        self.width
+    }
+
+    pub fn height(&self) -> u32 {
+        self.height
+    }
+
+    pub fn pixel(&self, index: usize) -> (T, T, T, T) {
+        *self.index(index)
+    }
+}
+
+impl<T> Index<usize> for Image<T>
+where
+    T: Add + Sub + Mul + Div + PartialEq + Default + Copy,
+{
+    type Output = (T, T, T, T);
+    fn index(&self, index: usize) -> &Self::Output {
+        &self.pixels[index]
+    }
+}
+
+impl<T> IndexMut<usize> for Image<T>
+where
+    T: Add + Sub + Mul + Div + PartialEq + Default + Copy,
+{
+    fn index_mut(&mut self, index: usize) -> &mut Self::Output {
+        &mut self.pixels[index]
+    }
+}
+
+impl<T> IntoIterator for Image<T>
+where
+    T: Add + Sub + Mul + Div + PartialEq + Default + Copy,
+{
+    type Item = (T, T, T, T);
+    type IntoIter = IntoIter<Self::Item>;
+
+    fn into_iter(self) -> Self::IntoIter {
+        self.pixels.into_iter()
+    }
+}
+
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+
+    #[test]
+    fn it_works(){
+        let image:Image<f32> = Default::default();
+        let default_width = image.width();
+        println!("{:?}",default_width);
+
+        //assert_eq!(default_width, 1);
+        let default_height = image.height();
+            println!("{:?}",default_height);
+
+        //assert_eq!(default_height,1);
+
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 7d12d9a..df17e00 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,7 @@
+extern crate core;
+
+mod image;
+
 pub fn add(left: usize, right: usize) -> usize {
     left + right
 }