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Joscha 2025-03-18 19:53:35 +01:00
parent f8076e6b66
commit 618f298cc6
13 changed files with 590 additions and 13 deletions
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checksum = "0a6e035dd0599267ce1ee132e51c27dd29437f63325753051e71dd9e42406c57"
[[package]]
name = "windows_x86_64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
[[package]]
name = "windows_x86_64_msvc"
version = "0.53.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "271414315aff87387382ec3d271b52d7ae78726f5d44ac98b4f4030c91880486"
[[package]]
name = "winnow"
version = "0.7.3"
@ -4061,6 +4459,12 @@ dependencies = [
"synstructure",
]
[[package]]
name = "zeroize"
version = "1.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
[[package]]
name = "zerotrie"
version = "0.1.3"

1
Cargo.toml
View file

@ -16,6 +16,7 @@ jiff = "0.2.1"
mime_guess = "2.0.5"
palette = "0.7.6"
rand = "0.9.0"
reqwest = { version = "0.12.15", features = ["json"] }
rust-embed = "8.6.0"
serde = { version = "1.0.218", features = ["derive"] }
showbits-assets.path = "./showbits-assets"

54
showbits-thermal-printer-ui/src/components/CDocumentXkcd.vue Normal file
View file

@ -0,0 +1,54 @@
<script setup lang="ts">
import { useApiRequest } from "@/apiRequest";
import { ref, useTemplateRef } from "vue";
import CError from "./CError.vue";
const { disabled, error, makeRequest } = useApiRequest();
const form = useTemplateRef<HTMLFormElement>("form");
const number = ref<number>();
const feed = ref(true);
function submit() {
const data = new URLSearchParams();
if (typeof number.value === "number")
data.append("number", number.value.toFixed());
data.append("feed", String(feed.value));
void makeRequest("api/xkcd", data);
}
</script>
<template>
<form ref="form" @submit.prevent="submit">
<h2>xkcd</h2>
<label class="wide">
Number:
<input
v-model="number"
type="number"
min="1"
placeholder="current"
:disabled
/>
</label>
<label><input v-model="feed" type="checkbox" :disabled /> Feed</label>
<button :disabled>Print</button>
<CError :message="error" />
</form>
</template>
<style scoped>
form {
display: flex;
flex-direction: column;
gap: 16px;
}
.wide {
display: flex;
flex-direction: column;
}
</style>

4
showbits-thermal-printer-ui/src/components/CSelector.vue
View file

@ -8,6 +8,7 @@ import CDocumentImage from "./CDocumentImage.vue";
import CDocumentSunrise from "./CDocumentSunrise.vue";
import CDocumentText from "./CDocumentText.vue";
import CDocumentTictactoe from "./CDocumentTictactoe.vue";
import CDocumentXkcd from "./CDocumentXkcd.vue";
const mode = ref<
| "calendar"
@ -18,6 +19,7 @@ const mode = ref<
| "sunrise"
| "text"
| "tictactoe"
| "xkcd"
>();
</script>
@ -32,6 +34,7 @@ const mode = ref<
<CDocumentSunrise v-if="mode === 'sunrise'" />
<CDocumentText v-if="mode === 'text'" />
<CDocumentTictactoe v-if="mode === 'tictactoe'" />
<CDocumentXkcd v-if="mode === 'xkcd'" />
<hr v-if="mode !== undefined" />
<section>
<p>What do you want to print?</p>
@ -44,6 +47,7 @@ const mode = ref<
<button @click="mode = 'sunrise'">Sunrise and Sunset</button>
<button @click="mode = 'text'">Text</button>
<button @click="mode = 'tictactoe'">Tic Tac Toe</button>
<button @click="mode = 'xkcd'">xkcd</button>
<a href="photo.html">Take a photo</a>
</div>
</section>

1
showbits-thermal-printer/Cargo.toml
View file

@ -14,6 +14,7 @@ mark = { workspace = true }
mime_guess = { workspace = true }
palette = { workspace = true }
rand = { workspace = true }
reqwest = { workspace = true }
rust-embed = { workspace = true }
serde = { workspace = true }
showbits-assets = { workspace = true }

1
showbits-thermal-printer/src/documents.rs
View file

@ -8,6 +8,7 @@ pub mod image;
pub mod sunrise;
pub mod text;
pub mod tictactoe;
pub mod xkcd;
fn typst_with_lib() -> Typst {
Typst::new().with_file("/lib/main.typ", include_str!("documents/lib/main.typ"))

6
showbits-thermal-printer/src/documents/xkcd/data.json Normal file
View file

@ -0,0 +1,6 @@
{
"number": 3064,
"title": "Lungfish",
"alt": "I know having so many base pairs makes rebasing complicated, but you're in Bilateria, so shouldn't you at LEAST be better at using git head?",
"feed": false
}

BIN
showbits-thermal-printer/src/documents/xkcd/image.png Normal file
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Binary file not shown.
Side by side

After

Width:  |  Height:  |  Size: 121 KiB

1
showbits-thermal-printer/src/documents/xkcd/lib Symbolic link
View file

@ -0,0 +1 @@
../lib

26
showbits-thermal-printer/src/documents/xkcd/main.typ Normal file
View file

@ -0,0 +1,26 @@
#import "lib/main.typ" as lib;
#show: it => lib.init(it)
#let data = json("data.json")
#align(center)[
xkcd #data.number
#v(-12pt)
#text(size: 32pt, data.title)
]
// If the image is an odd number of pixels wide, we need to add an extra row of
// pixels (in this case, on the right) to ensure that the image pixels fall on
// screen pixels.
#context {
let img = image("image.png")
let width = measure(img).width
let additional = 2pt * calc.fract(width.pt() / 2)
align(center, stack(dir: ltr, img, h(additional)))
}
#align(center, data.alt)
#if data.feed {
lib.feed
}

76
showbits-thermal-printer/src/documents/xkcd/mod.rs Normal file
View file

@ -0,0 +1,76 @@
use std::io::Cursor;
use anyhow::Context;
use axum::{
Form,
extract::State,
response::{IntoResponse, Response},
};
use image::ImageFormat;
use serde::{Deserialize, Serialize};
use crate::server::{Server, somehow};
#[derive(Deserialize)]
struct ComicInfo {
num: u32,
title: String,
alt: String,
img: String,
}
#[derive(Serialize)]
struct Data {
number: u32,
title: String,
alt: String,
feed: bool,
}
#[derive(Deserialize)]
pub struct FormData {
pub number: Option<u32>,
pub feed: Option<bool>,
}
pub async fn post(server: State<Server>, Form(form): Form<FormData>) -> somehow::Result<Response> {
let client = reqwest::Client::builder()
.user_agent(crate::USER_AGENT)
.build()?;
let url = match form.number {
None => "https://xkcd.com/info.0.json".to_string(),
Some(number) => format!("https://xkcd.com/{number}/info.0.json"),
};
let info = client.get(url).send().await?.json::<ComicInfo>().await?;
let image_data = client.get(&info.img).send().await?.bytes().await?;
let image = image::load_from_memory(&image_data)?.into_rgba8();
let max_width = Some(384);
let max_height = Some(1024);
let image = super::image::dither(image, max_width, max_height, false, "stucki")
.map_err(somehow::Error)?;
let data = Data {
number: info.num,
title: info.title,
alt: info.alt,
feed: form.feed.unwrap_or(true),
};
let mut bytes: Vec<u8> = Vec::new();
image
.write_to(&mut Cursor::new(&mut bytes), ImageFormat::Png)
.context("failed to encode image as png")
.map_err(somehow::Error)?;
let typst = super::typst_with_lib()
.with_json("/data.json", &data)
.with_file("/image.png", bytes)
.with_main_file(include_str!("main.typ"));
server.print_typst(typst).await?;
Ok(().into_response())
}

2
showbits-thermal-printer/src/main.rs
View file

@ -13,6 +13,8 @@ use tokio::{runtime::Runtime, sync::mpsc};
use self::{drawer::Drawer, persistent_printer::PersistentPrinter};
const USER_AGENT: &str = concat!(env!("CARGO_PKG_NAME"), "/", env!("CARGO_PKG_VERSION"));
#[derive(Parser)]
struct Args {
/// Path to the queue directory.

1
showbits-thermal-printer/src/server.rs
View file

@ -44,6 +44,7 @@ pub async fn run(tx: mpsc::Sender<Command>, addr: String) -> anyhow::Result<()>
.route("/api/sunrise", post(documents::sunrise::post))
.route("/api/text", post(documents::text::post))
.route("/api/tictactoe", post(documents::tictactoe::post))
.route("/api/xkcd", post(documents::xkcd::post))
// Rest
.layer(DefaultBodyLimit::max(32 * 1024 * 1024)) // 32 MiB
.with_state(Server { tx });