extern crate andrew;
extern crate smithay_client_toolkit as sctk;
use std::io::{Read, Seek, SeekFrom, Write};
use std::time::{Duration, Instant};
use sctk::reexports::client::protocol::{wl_seat::WlSeat, wl_shm, wl_surface};
use sctk::shm::{DoubleMemPool, MemPool};
use sctk::window::{ConceptFrame, Event as WEvent};
use andrew::shapes::rectangle;
use andrew::text;
use andrew::text::fontconfig;
sctk::default_environment!(TestExample, desktop);
fn main() {
let (env, display, mut event_queue) = sctk::new_default_environment!(TestExample, desktop)
.expect("Unable to connect to a Wayland compositor");
let _seat = env.manager.instantiate_range::<WlSeat>(1, 6).unwrap();
let mut dimensions = (600, 400);
let surface = env.create_surface().detach();
let mut next_action = None::<WEvent>;
let mut window = env
.create_window::<ConceptFrame, _>(surface, None, dimensions, move |evt, mut dispatch_data| {
let next_actn = dispatch_data.get::<Option<WEvent>>().unwrap();
let replace = match (&evt, &*next_actn) {
(_, &None)
| (_, &Some(WEvent::Refresh))
| (&WEvent::Configure { .. }, &Some(WEvent::Configure { .. }))
| (&WEvent::Close, _) => true,
_ => false,
};
if replace {
*next_actn = Some(evt);
}
})
.expect("Failed to create a window !");
let mut pools = DoubleMemPool::new(
env.get_global().expect("Failed to get `WlShm` global."),
|_| {},
)
.expect("Failed to create a memory pool !");
let mut font_data = Vec::new();
::std::fs::File::open(
&fontconfig::FontConfig::new()
.unwrap()
.get_regular_family_fonts("sans")
.unwrap()[0],
)
.unwrap()
.read_to_end(&mut font_data)
.unwrap();
if !env
.get_shell()
.expect("Expected environment to contain a shell.")
.needs_configure()
{
if let Some(pool) = pools.pool() {
redraw(pool, window.surface(), dimensions, &font_data);
}
window.refresh();
}
loop {
match next_action.take() {
Some(WEvent::Close) => break,
Some(WEvent::Refresh) => {
window.refresh();
window.surface().commit();
}
Some(WEvent::Configure { new_size, .. }) => {
if let Some((w, h)) = new_size {
window.resize(w, h);
dimensions = (w, h)
}
window.refresh();
if let Some(pool) = pools.pool() {
redraw(pool, window.surface(), dimensions, &font_data);
}
}
None => {}
}
display.flush().unwrap();
event_queue
.dispatch(&mut next_action, |_, _, _| {})
.unwrap();
}
}
fn redraw(
pool: &mut MemPool,
surface: &wl_surface::WlSurface,
dimensions: (u32, u32),
font_data: &[u8],
) {
let (buf_x, buf_y) = (dimensions.0 as usize, dimensions.1 as usize);
pool.resize(4 * buf_x * buf_y)
.expect("Failed to resize the memory pool.");
let mut buf: Vec<u8> = vec![255; 4 * buf_x * buf_y];
let mut canvas =
andrew::Canvas::new(&mut buf, buf_x, buf_y, 4 * buf_x, andrew::Endian::native());
println!("______________");
let mut total_dur = Duration::new(0, 0);
let (block_w, block_h) = (buf_x / 20, buf_y / 20);
for block_y in 0..21 {
for block_x in 0..21 {
let color = if (block_x + (block_y % 2)) % 2 == 0 {
[255, 0, 0, 0]
} else {
[255, 255, 255, 255]
};
let block = rectangle::Rectangle::new(
(block_w * block_x, block_h * block_y),
(block_w, block_h),
None,
Some(color),
);
let timer = Instant::now();
canvas.draw(&block);
total_dur += timer.elapsed()
}
}
println!("Background draw time: {:?}", total_dur);
let rectangle = rectangle::Rectangle::new(
(buf_x / 30, buf_y / 4),
(buf_x - (buf_x / 30) * 2, buf_y - buf_y / 2),
Some((
15,
[255, 170, 20, 45],
rectangle::Sides::TOP ^ rectangle::Sides::BOTTOM,
Some(10),
)),
Some([255, 170, 20, 45]),
);
let mut timer = Instant::now();
canvas.draw(&rectangle);
println!("Rectangle draw time: {:?}", timer.elapsed());
total_dur += timer.elapsed();
let text_h = buf_x as f32 / 80.;
let text_hh = text_h / 2.;
let mut text = text::Text::new(
(63, 69),
[255, 255, 255, 255],
font_data,
text_h,
2.0,
"“Life is the art of drawing without an eraser.” - John W. Gardner",
);
text.pos = (
buf_x / 2 - text.get_width() / 2,
buf_y / 2 - text_hh as usize,
);
let text_box = rectangle::Rectangle::new(
(
buf_x / 2 - text.get_width() / 2 - 10,
buf_y / 2 - text_hh as usize - 10,
),
(text.get_width() + 20, text_h as usize + 20),
Some((3, [255, 255, 255, 255], rectangle::Sides::ALL, Some(5))),
None,
);
timer = Instant::now();
canvas.draw(&text_box);
println!("Text box draw time: {:?}", timer.elapsed());
total_dur += timer.elapsed();
timer = Instant::now();
canvas.draw(&text);
println!("Text draw time: {:?}", timer.elapsed());
total_dur += timer.elapsed();
println!("Total draw time: {:?}", total_dur);
pool.seek(SeekFrom::Start(0)).unwrap();
pool.write_all(canvas.buffer).unwrap();
pool.flush().unwrap();
let new_buffer = pool.buffer(
0,
buf_x as i32,
buf_y as i32,
4 * buf_x as i32,
wl_shm::Format::Argb8888,
);
surface.attach(Some(&new_buffer), 0, 0);
surface.commit();
}