add plot function

Cargo.lock

@@ -686,6 +686,7 @@ version = "0.1.0"
 dependencies = [
  "eframe",
  "egui_extras",
+ "egui_plot",
  "libloading 0.8.5",
  "nac3core",
  "parking_lot",
@@ -1135,6 +1136,17 @@ dependencies = [
  "winit",
 ]
 
+[[package]]
+name = "egui_plot"
+version = "0.28.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7acc4fe778c41b91d57e04c1a2cf5765b3dc977f9f8384d2bb2eb4254855365"
+dependencies = [
+ "ahash",
+ "egui",
+ "emath",
+]
+
 [[package]]
 name = "either"
 version = "1.13.0"

Cargo.toml

@@ -6,6 +6,7 @@ edition = "2021"
 [dependencies]
 eframe = "0.28"
 egui_extras = { version = "0.28", features = ["syntect"]}
+egui_plot = "0.28"
 parking_lot = "0.12"
 tempfile = "3.12"
 libloading = "0.8"

src/main.rs

@@ -499,6 +499,20 @@ pub extern "C" fn __nac3_cells_slider(prev: f64) -> f64 {
     value
 }
 
+pub struct List {
+    data: *mut f64,
+    length: usize,
+}
+
+#[no_mangle]
+pub extern "C" fn __nac3_cells_plot(data: *const List) {
+    let ui = unsafe { CELL_UI.as_mut().unwrap() };
+    let data_slice = unsafe { std::slice::from_raw_parts((*data).data, (*data).length) };
+    let points: Vec<[f64; 2]> = (0..data_slice.len()).map(|i| [i as f64, data_slice[i]]).collect();
+    let line = egui_plot::Line::new(points);
+    egui_plot::Plot::new("my_plot").view_aspect(2.0).show(ui, |plot_ui| plot_ui.line(line));
+}
+
 impl Cells {
     fn new() -> Self {
         Self {