/*
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,
});
}
}
