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Add fancy new easter egg drawings

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Drawn by Lilith, Sina, and myself.
This commit is contained in:
Joscha 2024-03-30 23:26:37 +01:00
parent a9ba160c13
commit 1c56349b56
59 changed files with 90 additions and 23 deletions
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43
showbits-thermal-printer/src/drawer/egg.rs
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@ -1,6 +1,6 @@
use image::{imageops, RgbaImage};
use rand::Rng;
use showbits_assets::{EGG_COVER, EGG_PATTERNS};
use rand::{seq::SliceRandom, Rng};
use showbits_assets::{EGG_BAD_COVERS, EGG_BAD_PATTERNS, EGG_COVERS, EGG_PATTERNS};
use showbits_common::{
color::{self, WHITE},
widgets::{Image, Text},
@ -14,29 +14,44 @@ use super::{Context, Drawing};
pub struct EggDrawing;
fn load_image(bytes: &[u8]) -> anyhow::Result<RgbaImage> {
Ok(image::load_from_memory(bytes)?.into_rgba8())
fn load_image(bytes: &[u8]) -> RgbaImage {
image::load_from_memory(bytes)
.expect("malformed image data")
.into_rgba8()
}
impl Drawing for EggDrawing {
fn draw(&self, printer: &mut Printer, ctx: &mut Context) -> anyhow::Result<()> {
// Load image data from memory
let cover = load_image(EGG_COVER)?;
let mut patterns = vec![];
for pattern in EGG_PATTERNS {
patterns.push(load_image(pattern)?);
}
let mut rng = rand::thread_rng();
// Prepare egg image
// Choose which set of egg images to use
let bad_egg = rng.gen_range(0..16) == 0;
let (covers, patterns) = if bad_egg {
(EGG_BAD_COVERS, EGG_BAD_PATTERNS)
} else {
(EGG_COVERS, EGG_PATTERNS)
};
// Load images from memory
let covers = covers.iter().map(|img| load_image(img)).collect::<Vec<_>>();
let patterns = patterns
.iter()
.map(|img| load_image(img))
.collect::<Vec<_>>();
// Choose a random cover
let cover = covers.choose(&mut rng).expect("too few covers");
// Prepare image of appropriate size
let mut image =
RgbaImage::from_pixel(cover.width(), cover.height(), color::to_image_color(WHITE));
// Draw patterns onto egg
let mut last_idx = None;
let mut y = rand::thread_rng().gen_range(-100_i64..0);
let mut y = rng.gen_range(-100_i64..0);
while y < image.height().into() {
let idx = loop {
let idx = rand::thread_rng().gen_range(0..patterns.len());
let idx = rng.gen_range(0..patterns.len());
if Some(idx) != last_idx {
break idx;
}
@ -49,7 +64,7 @@ impl Drawing for EggDrawing {
}
// Finally, draw the cover
imageops::overlay(&mut image, &cover, 0, 0);
imageops::overlay(&mut image, cover, 0, 0);
let mut tree = Tree::<Context>::new(WHITE);