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Core/examples/sqr.rs

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2024-03-30 22:36:54 +01:00
#![no_std]
#![no_main]
use alloc::vec::Vec;
use cstr_core::{cstr, CStr};
use kos::{
graphics::{display_message, Color, Dot, Size},
input::fetch_key,
system::{get_lang, Lang},
threads::{exit, fetch_event, Event},
windows::{
define_button, define_window, end_window_draw, get_button_id, put_pixel, start_window_draw,
WindowKind, WindowParams, CLOSE_BUTTON,
},
};
const HEADER: &CStr = cstr!("Hey Kolibri");
const MSG: &CStr = cstr!("Hello GSoC 2024");
const BTN: u32 = 42;
const COLORS: [(u8, u8, u8); 3] = [(255, 0, 0), (0, 255, 0), (0, 0, 255)];
#[macro_use]
extern crate alloc;
fn draw_window(c: usize) {
start_window_draw();
define_window(
Dot { x: 50, y: 50 },
Size {
width: 500,
height: 500,
},
WindowParams {
color: Color::rgb(0xff, 0xff, 0xff),
kind: WindowKind::Themed,
title: Some(HEADER),
},
);
for i in 60..300 {
for j in 60..300 {
put_pixel(Dot { x: i, y: j }, Some(Color::rgb(255, 0, 0)), None);
}
}
for i in 200..440 {
for j in 200..440 {
put_pixel(Dot { x: i, y: j }, None, Some(true));
}
}
end_window_draw();
return;
}
fn button_handler(c: &mut usize) {
let btn_id = get_button_id();
if btn_id.is_some() {
match btn_id.unwrap() {
CLOSE_BUTTON => exit(),
BTN => {
*c += 1;
draw_window(*c);
}
_ => {}
}
}
}
#[no_mangle]
fn kol_main() {
let mut c = 0;
while let Some(ev) =
fetch_event((Event::Redraw as u32) | (Event::KeyPress as u32) | (Event::BtnPress as u32))
{
match ev {
Event::Redraw => draw_window(c),
Event::KeyPress => drop(fetch_key()),
Event::BtnPress => button_handler(&mut c),
_ => break,
}
}
}