Merge pull request 'Human-readable alt text' (#24) from feature-human-alt-text into main

Reviewed-on: #24
This commit is contained in:
bombinans 2025-03-12 22:22:03 +00:00
commit 6395ea973d
3 changed files with 149 additions and 107 deletions

234
package-lock.json generated
View File

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"integrity": "sha512-GE7XvrdOzrb+yVKB9KsRMq+7a2U/K5Cf/8grVFRAGJmfADr/e/ODQ134RK2/eeHqYV5eQRFxb1hY7Nr15fv1NQ==",
"cpu": [
"arm64"
],
@ -3992,9 +4013,9 @@
}
},
"node_modules/tsx/node_modules/@esbuild/win32-ia32": {
"version": "0.23.1",
"resolved": "https://registry.npmjs.org/@esbuild/win32-ia32/-/win32-ia32-0.23.1.tgz",
"integrity": "sha512-BcaL0Vn6QwCwre3Y717nVHZbAa4UBEigzFm6VdsVdT/MbZ38xoj1X9HPkZhbmaBGUD1W8vxAfffbDe8bA6AKnQ==",
"version": "0.25.1",
"resolved": "https://registry.npmjs.org/@esbuild/win32-ia32/-/win32-ia32-0.25.1.tgz",
"integrity": "sha512-uOxSJCIcavSiT6UnBhBzE8wy3n0hOkJsBOzy7HDAuTDE++1DJMRRVCPGisULScHL+a/ZwdXPpXD3IyFKjA7K8A==",
"cpu": [
"ia32"
],
@ -4007,9 +4028,9 @@
}
},
"node_modules/tsx/node_modules/@esbuild/win32-x64": {
"version": "0.23.1",
"resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.23.1.tgz",
"integrity": "sha512-BHpFFeslkWrXWyUPnbKm+xYYVYruCinGcftSBaa8zoF9hZO4BcSCFUvHVTtzpIY6YzUnYtuEhZ+C9iEXjxnasg==",
"version": "0.25.1",
"resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.25.1.tgz",
"integrity": "sha512-Y1EQdcfwMSeQN/ujR5VayLOJ1BHaK+ssyk0AEzPjC+t1lITgsnccPqFjb6V+LsTp/9Iov4ysfjxLaGJ9RPtkVg==",
"cpu": [
"x64"
],
@ -4022,9 +4043,9 @@
}
},
"node_modules/tsx/node_modules/esbuild": {
"version": "0.23.1",
"resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.23.1.tgz",
"integrity": "sha512-VVNz/9Sa0bs5SELtn3f7qhJCDPCF5oMEl5cO9/SSinpE9hbPVvxbd572HH5AKiP7WD8INO53GgfDDhRjkylHEg==",
"version": "0.25.1",
"resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.25.1.tgz",
"integrity": "sha512-BGO5LtrGC7vxnqucAe/rmvKdJllfGaYWdyABvyMoXQlfYMb2bbRuReWR5tEGE//4LcNJj9XrkovTqNYRFZHAMQ==",
"hasInstallScript": true,
"bin": {
"esbuild": "bin/esbuild"
@ -4033,30 +4054,31 @@
"node": ">=18"
},
"optionalDependencies": {
"@esbuild/aix-ppc64": "0.23.1",
"@esbuild/android-arm": "0.23.1",
"@esbuild/android-arm64": "0.23.1",
"@esbuild/android-x64": "0.23.1",
"@esbuild/darwin-arm64": "0.23.1",
"@esbuild/darwin-x64": "0.23.1",
"@esbuild/freebsd-arm64": "0.23.1",
"@esbuild/freebsd-x64": "0.23.1",
"@esbuild/linux-arm": "0.23.1",
"@esbuild/linux-arm64": "0.23.1",
"@esbuild/linux-ia32": "0.23.1",
"@esbuild/linux-loong64": "0.23.1",
"@esbuild/linux-mips64el": "0.23.1",
"@esbuild/linux-ppc64": "0.23.1",
"@esbuild/linux-riscv64": "0.23.1",
"@esbuild/linux-s390x": "0.23.1",
"@esbuild/linux-x64": "0.23.1",
"@esbuild/netbsd-x64": "0.23.1",
"@esbuild/openbsd-arm64": "0.23.1",
"@esbuild/openbsd-x64": "0.23.1",
"@esbuild/sunos-x64": "0.23.1",
"@esbuild/win32-arm64": "0.23.1",
"@esbuild/win32-ia32": "0.23.1",
"@esbuild/win32-x64": "0.23.1"
"@esbuild/aix-ppc64": "0.25.1",
"@esbuild/android-arm": "0.25.1",
"@esbuild/android-arm64": "0.25.1",
"@esbuild/android-x64": "0.25.1",
"@esbuild/darwin-arm64": "0.25.1",
"@esbuild/darwin-x64": "0.25.1",
"@esbuild/freebsd-arm64": "0.25.1",
"@esbuild/freebsd-x64": "0.25.1",
"@esbuild/linux-arm": "0.25.1",
"@esbuild/linux-arm64": "0.25.1",
"@esbuild/linux-ia32": "0.25.1",
"@esbuild/linux-loong64": "0.25.1",
"@esbuild/linux-mips64el": "0.25.1",
"@esbuild/linux-ppc64": "0.25.1",
"@esbuild/linux-riscv64": "0.25.1",
"@esbuild/linux-s390x": "0.25.1",
"@esbuild/linux-x64": "0.25.1",
"@esbuild/netbsd-arm64": "0.25.1",
"@esbuild/netbsd-x64": "0.25.1",
"@esbuild/openbsd-arm64": "0.25.1",
"@esbuild/openbsd-x64": "0.25.1",
"@esbuild/sunos-x64": "0.25.1",
"@esbuild/win32-arm64": "0.25.1",
"@esbuild/win32-ia32": "0.25.1",
"@esbuild/win32-x64": "0.25.1"
}
},
"node_modules/uc.micro": {

View File

@ -15,6 +15,7 @@
"d3-color": "^3.1.0",
"d3-dsv": "^3.0.1",
"d3-time-format": "^4.1.0",
"hex-color-to-color-name": "^1.0.2",
"jsdom": "^26.0.0",
"lodash.shuffle": "^4.2.0",
"random": "^5.1.1",

View File

@ -14,6 +14,8 @@ const svgns = "http://www.w3.org/2000/svg";
import {RADIUS_OPTS, DotMaker} from './src/components/dots.js';
import {PALETTES} from './src/components/palettes.js';
import { GetColorName } from "hex-color-to-color-name";
const CELL = 10;
const MAG = 2;
const WIDTH = 20;
@ -38,6 +40,21 @@ function randomise_params() {
}
}
function colour_to_text(d3color) {
const rawname = GetColorName(d3color.formatHex()).toLowerCase();
// some return values are things like "cyan / aqua": take the first
const parts = rawname.split(/\//);
return parts[0].trim();
}
function image_description(params) {
const bgc = colour_to_text(params.background);
const dotc = params.patterns.map((p) => colour_to_text(p.colour));
const a = bgc.match(/^[aeiou]/) ? 'an' : 'a';
return `A pattern of ${dotc[0]} and ${dotc[1]} dots on ${a} ${bgc} background`;
}
function poptimal_svg(params) {
const window = new JSDOM().window;
@ -129,7 +146,7 @@ async function main() {
const imgfile = cf['working_dir'] + '/' + fn;
const params = randomise_params();
const alt_text = JSON.stringify(params);
const alt_text = image_description(params);
const svg = poptimal_svg(params);
const opts = {
@ -145,6 +162,8 @@ async function main() {
const pngBuffer = pngData.asPng();
await promises.writeFile(imgfile, pngBuffer);
console.log(imgfile);
console.log(alt_text);
if( cf['base_url'] ) {
await post_image(imgfile, alt_text, cf);
}