Add PNG output

master
Max Nuding 2022-07-03 19:24:27 +02:00
parent 4b8b556ea3
commit 558851b5f6
Signed by: phlaym
GPG Key ID: 0AAD39863E09DC48
4 changed files with 471 additions and 9 deletions

441
Cargo.lock generated
View File

@ -2,18 +2,75 @@
# It is not intended for manual editing.
version = 3
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]
[[package]]
name = "crossbeam-channel"
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@ -59,12 +116,72 @@ dependencies = [
"once_cell",
]
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"spin",
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@ -72,10 +189,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"js-sys",
"libc",
"wasi",
"wasm-bindgen",
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@ -85,12 +220,90 @@ dependencies = [
"libc",
]
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name = "image"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"color_quant",
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"num-rational",
"num-traits",
"png",
"scoped_threadpool",
"tiff",
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@ -100,6 +313,65 @@ dependencies = [
"autocfg",
]
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@ -116,12 +388,62 @@ version = "1.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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]
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@ -180,18 +502,137 @@ dependencies = [
name = "rustracer"
version = "0.1.0"
dependencies = [
"image",
"rand",
"rayon",
]
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View File

@ -6,5 +6,9 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
image = "0.24.2"
rand = "0.8.5"
rayon = "1.5.3"
rayon = "1.5.3"
[profile.release]
debug = 1

View File

@ -3,7 +3,7 @@ use std::time::Instant;
use crate::camera::Camera;
use crate::hittable::{Hittable, Sphere};
use crate::output::{Output, P3};
use crate::output::{Output, P3, PNG};
use crate::ray::Ray;
use crate::vec3::{Color, Point3, Vec3};
use rand::distributions::{Distribution, Uniform};
@ -86,9 +86,8 @@ fn main() {
const ASPECT_RATIO: f64 = 3.0 / 2.0;
const IMAGE_WIDTH: usize = 1200;
const IMAGE_HEIGHT: usize = (IMAGE_WIDTH as f64 / ASPECT_RATIO) as usize;
const SAMPLES_PER_PIXEL: i32 = 500;
const SAMPLES_PER_PIXEL: i32 = 100;
const MAX_DEPTH: i32 = 50;
let hh = IMAGE_HEIGHT;
let look_from = Point3::new(13.0, 2.0, 3.0);
let look_at = Point3::new(0.0, 0.0, 0.0);
@ -138,6 +137,6 @@ fn main() {
}
}
});
P3::write("imc.ppm", &pixels, IMAGE_WIDTH, IMAGE_HEIGHT).expect("Error writing image: {}");
PNG::write("imc.png", &pixels, IMAGE_WIDTH, IMAGE_HEIGHT).expect("Error writing image: {}");
eprintln!("\nDone. Time: {}ms", start.elapsed().as_millis());
}

View File

@ -1,12 +1,14 @@
use std::{fs::File, io::{Error, Write}};
use std::{fs::File, io::{Error, Write, BufWriter, ErrorKind}};
use image::ImageOutputFormat;
pub trait Output {
fn write(filename: &str, pixels: &Vec<u8>, width: usize, height: usize) -> Result<File, Error>;
fn write(filename: &str, pixels: &Vec<u8>, width: usize, height: usize) -> Result<(), Error>;
}
pub struct P3 {}
impl Output for P3 {
fn write(filename: &str, pixels: &Vec<u8>, width: usize, height: usize) -> Result<File, Error> {
fn write(filename: &str, pixels: &Vec<u8>, width: usize, height: usize) -> Result<(), Error> {
let mut file = File::create(filename)?;
file.write(format!("P3\n{} {}\n255\n", width, height).as_bytes())?;
let lines: Result<Vec<usize>, Error> = pixels
@ -14,6 +16,22 @@ impl Output for P3 {
.map(|chunk| format!("{} {} {}\n", chunk[0], chunk[1], chunk[2]))
.map(|line| file.write(line.as_bytes()))
.collect();
lines.map(|_v| file)
lines.map(|_l|())
}
}
pub struct PNG {}
impl Output for PNG {
fn write(filename: &str, pixels: &Vec<u8>, width: usize, height: usize) -> Result<(), Error> {
let file = File::create(filename)?;
let ref mut writer = BufWriter::new(file);
image::write_buffer_with_format(
writer,
pixels,
width as u32,
height as u32,
image::ColorType::Rgb8,
ImageOutputFormat::Png)
.map_err(|e| Error::new(ErrorKind::Other, e))
}
}