use image library to output other formats

This commit is contained in:
Jonathan Flueren 2022-05-05 13:19:56 +02:00
parent 94848e45ac
commit 69b77db716
4 changed files with 613 additions and 11 deletions

589
Cargo.lock generated
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@ -2,6 +2,595 @@
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View file

@ -6,3 +6,4 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
image = "0.24.2"

View file

@ -1,7 +1,7 @@
use super::Color;
use super::{Color, Rgb, RgbImage};
use std::io::Write;
pub fn write_color(out: &mut impl Write, pixel_color: Color) {
pub fn write_color(out: &mut impl Write, pixel_color: &Color) {
write!(
out,
"{} {} {}\n",
@ -11,3 +11,10 @@ pub fn write_color(out: &mut impl Write, pixel_color: Color) {
)
.unwrap();
}
pub fn put_color(img: &mut RgbImage, pixel_color: &Color, x: u32, y: u32) {
img.put_pixel(x, y, Rgb(
[(255.999 * pixel_color.x()) as u8,
(255.999 * pixel_color.y()) as u8,
(255.999 * pixel_color.z()) as u8]));
}

View file

@ -1,21 +1,20 @@
extern crate image;
mod color;
mod hittable;
mod hittable_list;
mod ray;
mod vec3;
mod utility;
use ray::Ray;
use std::env;
use std::fs::File;
use std::io::BufWriter;
use std::io::Write;
use vec3::Color;
use vec3::Point3;
use vec3::Vec3;
use hittable::Hittable;
use hittable::Sphere;
use vec3::{Color, Point3, Vec3};
use hittable::{Hittable, Sphere, HitRecord};
use hittable_list::HittableList;
use hittable::HitRecord;
use ray::Ray;
use image::{ImageBuffer, Rgb, RgbImage};
fn hit_sphere(center: &Point3, radius: f64, r: &Ray) -> f64 {
let oc = r.origin() - *center;
@ -49,7 +48,7 @@ fn main() {
// Image
let aspect_ratio = 16.0 / 9.0;
let image_width = 1000;
let image_height = (image_width as f64 / aspect_ratio) as u64;
let image_height = (image_width as f64 / aspect_ratio) as u32;
// World
let mut world = HittableList::new();
@ -72,6 +71,9 @@ fn main() {
if args.len() > 1 && args[1] != "" {
default_file = &args[1];
}
//let mut image = RgbImage::new(image_width, image_height);
let mut file = BufWriter::new(File::create(default_file).unwrap());
writeln!(&mut file, "P3\n{image_width} {image_height}\n255\n").unwrap();
@ -86,8 +88,11 @@ fn main() {
);
let pixel_color = ray_color(&r, &mut world);
color::write_color(&mut file, pixel_color);
color::write_color(&mut file, &pixel_color);
//color::put_color(&mut image, &pixel_color, image_width-i-1, image_height-j-1);
}
}
//image.save(default_file).unwrap();
eprintln!("\nDone!");
}