Another change to Coord trait stuff

board-builder-impl-egui/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "board-builder-impl-egui"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+board-builder = { path = "../" }
+eframe = "0.18.0"
+rfd = "0.8.2"
+image = "0.24.2"

board-builder-impl-egui/src/main.rs

@@ -0,0 +1,90 @@
+use eframe::egui;
+use egui::*;
+
+use rfd::FileDialog;
+
+use board_builder::Board;
+
+use std::path::Path;
+
+fn main() {
+    let native_options = eframe::NativeOptions::default();
+    eframe::run_native("Board Builder", native_options, Box::new(|_cc| Box::new(BoardBuilderApp::default())));
+}
+
+#[derive(Default)]
+struct BoardBuilderApp {
+    board: Board,
+    texture: Option<TextureHandle>,
+    image: Option<image::DynamicImage>,
+}
+
+impl eframe::App for BoardBuilderApp {
+    fn update(&mut self, ctx: &Context, _frame: &mut eframe::Frame) {
+	TopBottomPanel::top("menubar").show(ctx, |ui| {
+	    menu::bar(ui, |ui| {
+		fn choose_file() {
+		    FileDialog::new().pick_file();
+		}
+		ui.menu_button("File", |ui| {
+		    ui.button("New");
+		    if ui.button("Open...").clicked() {
+			choose_file();
+		    }
+		    if ui.button("Save As...").clicked() {
+			choose_file();
+		    }
+		    if ui.button("Open Image...").clicked() {
+			let image_file = FileDialog::new()
+			    .add_filter("Image", &["png", "jpg", "jpeg", "gif", "webp", "bmp", "tiff"])
+			    .pick_file();
+			if let Some(image_file) = image_file {
+			    self.load_image(ctx, &image_file);
+			}
+		    }
+		});
+		ui.menu_button("Edit", |ui| {
+		    ui.button("Edit Nodes");
+		    ui.button("Edit Edges");
+		    ui.button("Edit Labels...");
+		})
+	    });
+	});
+	CentralPanel::default().show(ctx, |ui| {
+	    if let Some(texture) = self.texture.as_ref() {
+		let size = ui.available_size();
+		ui.image(texture, size);
+		let (response, painter) = ui.allocate_painter(size, Sense::click());
+		let view = View(response.rect);
+		self.draw_board(&painter, view);
+	    }
+	});
+    }
+}
+
+impl BoardBuilderApp {
+    fn load_image(&mut self, ctx: &Context, image_file: &Path) -> Result<(), image::ImageError> {
+	let image = image::io::Reader::open(image_file)?.decode()?;
+	let egui_image = egui::ColorImage::from_rgba_unmultiplied(
+	    [image.width() as _, image.height() as _],
+	    image.to_rgba8().as_flat_samples().as_slice(),
+	);
+	
+	self.image = Some(image);
+	self.texture = Some(ctx.load_texture("board-image", egui_image));
+	Ok(())
+    }
+
+    fn draw_board(&mut self, painter: &Painter, view: View) {
+	for node in &self.board.nodes {
+	    todo!();
+	}
+    }
+}
+
+struct View(Rect);
+
+impl board_builder::CoordTransformer<Pos2> for View {
+    fn origin(&self) -> Pos2 { self.0.min }
+    fn extremes(&self) -> Pos2 { self.0.max }
+}