First attempt at converting drawing into matrix

Cargo.lock

@@ -546,6 +546,7 @@ name = "hwocr"
 version = "0.1.0"
 dependencies = [
  "relm4",
+ "rten-tensor",
 ]
 
 [[package]]
@@ -791,6 +792,15 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "rten-tensor"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b994b2c4597280249d6beb99fe01dd0adf06b0f002c2049a07708f09aed55c3a"
+dependencies = [
+ "smallvec",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"

Cargo.toml

@@ -7,3 +7,4 @@ edition = "2021"
 
 [dependencies]
 relm4="0.6.*"
+rten-tensor = "0.4.*"

src/lib.rs

@@ -0,0 +1,8 @@
+pub mod process_point;
+
+#[derive(Debug)]
+pub struct Point {
+    pub x: f64,
+    pub y: f64,
+    pub new_line: bool,
+}

src/main.rs

@@ -3,21 +3,17 @@ use gtk::prelude::{BoxExt, ButtonExt, GtkWindowExt, OrientableExt, WidgetExt, Ge
 use gtk::cairo::{Context, Operator};
 use relm4::drawing::DrawHandler;
 
+use hwocr::process_point::to_matrix;
+use hwocr::Point;
 
 #[derive(Debug)]
 enum AppInput {
-    Increment,
+    Input,
     NewLine((f64, f64)),
     AddPoint((f64, f64)),
     Reset,
 }
 
-#[derive(Debug)]
-struct Point {
-    x: f64,
-    y: f64,
-    new_line: bool,
-}
 
 #[derive(Debug)]
 struct AppModel {
@@ -83,7 +79,7 @@ impl SimpleComponent for AppModel {
                     gtk::Button {
                         set_label: "Increment",
                         connect_clicked[sender] => move |_| {
-                            sender.input(AppInput::Increment);
+                            sender.input(AppInput::Input);
                         }
                     },
 
@@ -126,8 +122,12 @@ impl SimpleComponent for AppModel {
         let cx = self.handler.get_context();
 
         match message {
-            AppInput::Increment => {
+            AppInput::Input => {
-                self.counter = self.counter.wrapping_add(1);
+                let mat = to_matrix(&self.points);
+                for line in mat.iter() {
+                    line.iter().for_each(|x| print!("{}", x));
+                    println!();
+                }
             }
             AppInput::AddPoint((x, y)) => {
                 self.points.push(Point { x, y, new_line: false })

src/process_point.rs

@@ -0,0 +1,50 @@
+use rten_tensor::NdTensor;
+
+use crate::Point;
+
+fn process(points: Vec<Point>) ->  NdTensor<f32, 3> {
+    
+    
+    NdTensor::zeros([1, 1, 1])
+}
+
+pub fn to_matrix(points: &Vec<Point>) -> Vec<Box<[f64; 1000]>>{
+
+    let min_x = points.iter().min_by_key(|p| p.x as i32).unwrap().x;
+    let min_y = points.iter().min_by_key(|p| p.y as i32).unwrap().y;
+    let max_x = points.iter().max_by_key(|p| p.x as i32).unwrap().x;
+    let max_y = points.iter().max_by_key(|p| p.y as i32).unwrap().y;
+
+
+    let x_len = max_x - min_x;
+    let y_len = max_y - min_y;
+    let x_scale = 800.0 / x_len;
+    let y_scale = (y_len / x_len) * x_scale;
+
+    let scaled_points = points.iter().map(|point| {
+        let x_scaled = ((point.x - min_x) * x_scale) + 100.0;
+        let y_scaled = ((point.y - min_y) * x_scale) + (100.0 * y_scale);
+
+        ((x_scaled, y_scaled), point.new_line)
+    });
+
+    let mut matrix: Vec<Box<[f64; 1000]>> = vec![Box::new([-0.0; 1000]); (y_len * y_scale) as u32 as usize];
+
+    for ((x, y), newline) in scaled_points {
+        let start_x = x - 1.5;
+        let end_x = x + 1.5;
+        let start_y = y - 1.5;
+        let end_y = y + 1.5;
+
+        matrix.iter_mut().enumerate().for_each(|(y, line)| line.iter_mut().for_each(|x| {
+            if (start_x < *x && *x < end_x) && (start_y < (y as f64)  && (y as f64) < end_y) {
+                *x = 1.0;
+            }
+        }));
+    }
+
+
+
+    matrix
+
+}