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Commit b89c7b43 authored by Finn Bear's avatar Finn Bear
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Starter code (rust).

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\ No newline at end of file
experiments/starter_rust/output.png

1.59 KiB

use image::{Rgba, RgbaImage};
use imageproc::drawing::*;
fn main() {
// Define some constants that store the resolution (in various useful data types).
const RESOLUTION_U32: u32 = 256;
const RESOLUTION_I32: i32 = RESOLUTION_U32 as i32;
const RESOLUTION_F32: f32 = RESOLUTION_U32 as f32;
// Allocate image (fully transparent by default).
let mut image = RgbaImage::new(RESOLUTION_U32, RESOLUTION_U32);
// Iterate each pixel and do some work.
for y in 0..RESOLUTION_U32 {
for x in 0..RESOLUTION_U32 {
// Fill with black.
image.put_pixel(x, y, Rgba::from([0, 0, 0, 255]));
// Equivalent
*image.get_pixel_mut(x, y) = Rgba::from([0, 0, 0, 255]);
}
}
// Draw diagonal white line.
draw_line_segment_mut(
&mut image,
(RESOLUTION_F32 * 0.1, RESOLUTION_F32 * 0.1),
(RESOLUTION_F32 * 0.9, RESOLUTION_F32 * 0.9),
Rgba::from([255, 255, 255, 255]),
);
// Draw white circle in center.
draw_filled_circle_mut(
&mut image,
(RESOLUTION_I32 / 2, RESOLUTION_I32 / 2),
20,
Rgba::from([255, 0, 0, 255]),
);
// Save output image.
image
.save("output.png")
.expect("unable to save output image");
}
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