1 files changed, 88 insertions, 0 deletions
diff --git a/src/app/init.rs b/src/app/init.rs
new file mode 100644
index 0000000..c7a8653
--- /dev/null
+++ b/src/app/init.rs
@@ -0,0 +1,88 @@
+/*
+	Copyright 2021-2023 Gabriel Jensen.
+
+This file is part of Luma.
+Luma is free software: you can redistribute it
+and/or modify it under the terms of the GNU
+	Affero General Public License as published by
+	the Free Software Foundation, either version 3
+	of the License, or (at your option) any later
+	version.
+
+	Luma is distributed in the hope that it will be
+	useful, but WITHOUT ANY WARRANTY; without even
+	the implied warranty of MERCHANTABILITY or
+	FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+	Affero General Public License for more details.
+
+	You should have received a copy of the GNU
+	Affero General Public License along with Luma.
+	If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::{SCREEN_SIZE, VERSION};
+use crate::app::App;
+use crate::configuration::Configuration;
+
+use sdl2::pixels::Color;
+use sdl2::render::BlendMode;
+use std::sync::Arc;
+use std::sync::atomic::{AtomicBool, Ordering};
+
+impl App {
+	pub fn init(configuration: Configuration) -> Result<Self, String> {
+		let got_terminate = Arc::new(AtomicBool::new(false));
+
+		match ctrlc::set_handler({
+			let got_terminate = got_terminate.clone();
+			move || got_terminate.store(true, Ordering::Relaxed)
+		}) {
+			Err(..) => return Err("unable to set signal handler".to_string()),
+			_       => {},
+		};
+
+		let sdl = match sdl2::init() {
+			Ok( sdl) => sdl,
+			Err(..)  => return Err("unable to initialise sdl2".to_string()),
+		};
+
+		let sdl_video = match sdl.video() {
+			Ok( video) => video,
+			Err(..)    => return Err("unable to initialise video".to_string()),
+		};
+
+		let window_title = format!("Luma {:X}.{:X}", VERSION.0, VERSION.1);
+
+		let mut window_builder = sdl_video.window(&window_title, SCREEN_SIZE.0 as u32 * configuration.scale, SCREEN_SIZE.1 as u32 * configuration.scale);
+		window_builder.position_centered();
+
+		let window = match window_builder.build() {
+			Ok( window) => window,
+			Err(..)     => return Err("unable to open window".to_string()),
+		};
+
+		let mut canvas = match window.into_canvas().build() {
+			Ok( canvas) => canvas,
+			Err(..)     => return Err("unable to build canvas".to_string()),
+		};
+
+		canvas.set_blend_mode(BlendMode::Blend);
+
+		let clear_colour = Color::RGB(0x00, 0x00, 0x00);
+		canvas.set_draw_color(clear_colour);
+		canvas.clear();
+		canvas.present();
+
+		return Ok(App {
+			bootloader: configuration.bootloader,
+			image:      configuration.image,
+
+			scale: configuration.scale,
+
+			got_terminate: got_terminate,
+
+			sdl:    sdl,
+			canvas: canvas,
+		});
+	}
+}