Merge pull request 'feature-check-dots-visible-before-describing' (#29) from feature-check-dots-visible-before-describing into main
Reviewed-on: #29
This commit is contained in:
commit
176c7c7827
97
package-lock.json
generated
97
package-lock.json
generated
@ -7,6 +7,7 @@
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"dependencies": {
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"@observablehq/framework": "^1.13.0",
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"d3": "^7.9.0",
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"d3-color-difference": "^0.1.3",
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@ -79,6 +80,7 @@
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@ -1443,6 +1445,17 @@
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"funding": [
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{
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"type": "github",
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"url": "https://github.com/sponsors/feross"
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{
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"type": "patreon",
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"url": "https://www.patreon.com/feross"
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{
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"type": "consulting",
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"url": "https://feross.org/support"
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"node_modules/bidi-js": {
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"version": "1.0.3",
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@ -1467,6 +1499,29 @@
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"require-from-string": "^2.0.2"
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"node_modules/bl": {
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"dependencies": {
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"buffer": "^5.5.0",
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"inherits": "^2.0.4",
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"readable-stream": "^3.4.0"
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}
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"node_modules/bl/node_modules/readable-stream": {
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"version": "3.6.2",
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"dependencies": {
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"inherits": "^2.0.3",
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"string_decoder": "^1.1.1",
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"util-deprecate": "^1.0.1"
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},
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"engines": {
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"node": ">= 6"
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},
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"node_modules/brace-expansion": {
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"version": "2.0.1",
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"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
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@ -1475,6 +1530,29 @@
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"balanced-match": "^1.0.0"
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}
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},
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"node_modules/buffer": {
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"version": "5.7.1",
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"funding": [
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{
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"type": "github",
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"url": "https://github.com/sponsors/feross"
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},
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{
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"type": "patreon",
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"url": "https://www.patreon.com/feross"
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},
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{
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"type": "consulting",
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"url": "https://feross.org/support"
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}
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],
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"dependencies": {
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"base64-js": "^1.3.1",
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"ieee754": "^1.1.13"
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}
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},
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"node_modules/bundle-name": {
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"version": "4.1.0",
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"resolved": "https://registry.npmjs.org/bundle-name/-/bundle-name-4.1.0.tgz",
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@ -2572,6 +2650,25 @@
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"node": ">=0.10.0"
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}
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},
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"node_modules/ieee754": {
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"version": "1.2.1",
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"funding": [
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{
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"type": "github",
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"url": "https://github.com/sponsors/feross"
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},
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{
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"type": "patreon",
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"url": "https://www.patreon.com/feross"
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},
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{
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"type": "consulting",
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"url": "https://feross.org/support"
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}
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]
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},
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"node_modules/immediate": {
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"version": "3.0.6",
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"resolved": "https://registry.npmjs.org/immediate/-/immediate-3.0.6.tgz",
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@ -11,6 +11,7 @@
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"dependencies": {
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"@observablehq/framework": "^1.13.0",
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"@resvg/resvg-js": "^2.6.2",
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"await-spawn": "^4.0.2",
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"d3": "^7.9.0",
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"d3-color": "^3.1.0",
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"d3-color-difference": "^0.1.3",
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82
poptimal.js
82
poptimal.js
@ -4,20 +4,21 @@ import { JSDOM } from "jsdom";
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import * as d3 from "d3";
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import yargs from "yargs/yargs";
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import { hideBin } from "yargs/helpers";
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import spawn from "await-spawn";
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import random from "random";
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const xmlns = "http://www.w3.org/2000/xmlns/";
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const xlinkns = "http://www.w3.org/1999/xlink";
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const svgns = "http://www.w3.org/2000/svg";
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import {RADIUS_OPTS, DotMaker} from './src/components/dots.js';
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import {RADIUS_OPTS, RADIUS_DESC, DotMaker} from './src/components/dots.js';
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import {PALETTES, ColourNamer} from './src/components/palettes.js';
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const CELL = 10;
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const MAG = 2;
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const WIDTH = 20;
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const HEIGHT = WIDTH;
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const VISIBLE_DOG = 1000;
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function randomise_params() {
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const palette_name = random.choice(Array.from(PALETTES.keys()));
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@ -39,12 +40,67 @@ function randomise_params() {
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}
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function image_description(namer, params) {
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const bgc = namer.colour_to_text(params.background);
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const dotc = params.patterns.map((p) => namer.colour_to_text(p.colour));
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const a = bgc.match(/^[aeiou]/) ? 'an' : 'a';
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return `A pattern of ${dotc[0]} and ${dotc[1]} dots on ${a} ${bgc} background`;
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// lol the best way I found to to this was imagemagick!
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async function get_histogram(imgfile) {
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try {
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const bl = await spawn('convert', [ imgfile, '-format', '%c', 'histogram:info:' ]);
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return parse_histogram(bl.toString());
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} catch (e) {
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console.log(e);
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}
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}
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function parse_histogram(convert_out) {
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const colour_re = /(\d+): \(\d+,\d+,\d+,\d+\) (#[A-F0-9]+) /;
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const colours = new Map();
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convert_out.split("\n").forEach((l) => {
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const m = l.match(colour_re);
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if( m ) {
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const colour = m[2].substring(0, 7);
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colours.set(colour, Number(m[1]));
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}
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});
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return new Map([...colours].sort((a, b) => b[1] - a[1]));
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}
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function colour_visible(hist, colour) {
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const hexcolour = colour.formatHex().toUpperCase();
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console.log(colour, hexcolour, hist.get(hexcolour));
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return hist.get(hexcolour) > VISIBLE_DOG;
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}
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function image_description(namer, params, histogram) {
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const colours = [
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params.background,
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params.patterns[0].colour,
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params.patterns[1].colour,
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];
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const i_vis = [0, 1, 2].filter((i) => colour_visible(histogram, colours[i]));
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const named_colours = i_vis.map((i) => namer.colour_to_text(colours[i]));
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const gradients = i_vis.map((i) => {
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if( i > 0 ) {
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return RADIUS_DESC[params.patterns[i - 1].f];
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} else {
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return '';
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}
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});
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if( named_colours.length == 1 ) {
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return `A solid field of ${named_colours[0]}`;
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}
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if( named_colours.length > 1 ) {
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const bgc = named_colours[0];
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const a = bgc.match(/^[aeiou]/) ? 'an' : 'a';
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const dot_desc = named_colours.slice(1);
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const gs = gradients.slice(1);
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const pattern_desc = dot_desc.map((d, i) => `${d} dots ${gs[i]}`);
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const patterns = pattern_desc.join(' and ');
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return `A pattern of ${patterns} on ${a} ${bgc} background`;
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}
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return "";
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}
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@ -124,6 +180,7 @@ async function post_image(image, alt_text, cf) {
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}
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async function main() {
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const argv = yargs(hideBin(process.argv))
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.usage("Usage: -s SIZE -o output.png -c config.json")
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@ -140,13 +197,11 @@ async function main() {
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const imgfile = cf['working_dir'] + '/' + fn;
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const params = randomise_params();
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console.log(params.palette);
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const colourf = params.palette === 'grayscale' ? cf['grayscale'] : cf['colour'];
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const namer = new ColourNamer();
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await namer.load_colours(colourf);
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const alt_text = image_description(namer, params);
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const svg = poptimal_svg(params);
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const opts = {
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@ -161,9 +216,16 @@ async function main() {
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const pngData = resvg.render();
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const pngBuffer = pngData.asPng();
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await promises.writeFile(imgfile, pngBuffer);
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console.log(imgfile);
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// generate the alt_text last to check the image file histogram
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// so we don't include obscured colours
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const hist = await get_histogram(imgfile);
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const alt_text = image_description(namer, params, hist);
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console.log(alt_text);
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console.log(imgfile);
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if( cf['base_url'] ) {
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await post_image(imgfile, alt_text, cf);
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}
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@ -16,6 +16,21 @@ const RADIUS_OPTS = [
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"noise",
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];
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const RADIUS_DESC = {
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"const": "of constant size",
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"right": "getting larger towards the left",
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"left": "getting larger towards the left",
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"up": "getting larger towards the top",
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"down": "getting larger towards the bottom",
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"right-up": "getting larger towards the upper right",
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"right-down": "getting larger towards the lower right",
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"left-up": "getting larger towards the upper left",
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"left-down": "getting larger towards the lower left",
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"in": "getting larger in the centre",
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"out": "getting larger at the edges",
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"noise": "of random sizes",
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}
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function distance(dx, dy) {
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return Math.sqrt(dx ** 2 + dy ** 2);
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}
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@ -92,6 +107,6 @@ class DotMaker {
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}
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}
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export { RADIUS_OPTS, DotMaker };
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export { RADIUS_OPTS, RADIUS_DESC, DotMaker };
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