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use std::io::Write;
use std::net::{TcpStream};
use crate::vec3::Color;
use crate::display::{Display, Pixel};
pub struct Pixelflut {
socket: TcpStream,
x: usize,
y: usize,
width: usize,
height: usize,
data: Vec<Pixel>,
}
impl Pixelflut {
pub fn new(addr: &str, x: usize, y: usize, width: usize, height: usize) -> Self {
let data = vec![
Pixel {
color: Color {
x: 0.0,
y: 0.0,
z: 0.0
},
sample_count: 0
};
width * height
];
let mut ret = Self {
socket: TcpStream::connect(addr).expect("Could not connect to Pixelflut!"),
x,
y,
width,
height,
data,
};
ret.maybe_update();
ret
}
}
impl Display for Pixelflut {
fn add_sample(&mut self, x: usize, y: usize, color: crate::vec3::Color) {
self.data
.get_mut((y * self.width) + x)
.unwrap()
.update(color);
}
fn maybe_write(&self, _: &mut impl std::io::prelude::Write) {}
fn maybe_update(&mut self) {
for y in 0..self.height {
for x in 0..self.width {
let pixel = self.data.get((y * self.width) + x).unwrap();
let scale = 1.0 / pixel.sample_count as f64;
let mut r = (pixel.color.x * scale).sqrt();
let mut g = (pixel.color.y * scale).sqrt();
let mut b = (pixel.color.z * scale).sqrt();
self.socket.write(format!("PX {} {} {:02x}{:02x}{:02x}\n",
self.x + x,
self.y + self.height - y,
(256.0 * r.clamp(0.0, 0.999)) as u32,
(256.0 * g.clamp(0.0, 0.999)) as u32,
(256.0 * b.clamp(0.0, 0.999)) as u32).as_bytes());
}
}
}
}
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