InvokeAI/static/dream_web/index.js
2022-09-16 17:27:08 -04:00

214 lines
7.4 KiB
JavaScript

function toBase64(file) {
return new Promise((resolve, reject) => {
const r = new FileReader();
r.readAsDataURL(file);
r.onload = () => resolve(r.result);
r.onerror = (error) => reject(error);
});
}
function appendOutput(src, seed, config) {
let outputNode = document.createElement("figure");
let variations = config.with_variations;
if (config.variation_amount > 0) {
variations = (variations ? variations + ',' : '') + seed + ':' + config.variation_amount;
}
let baseseed = (config.with_variations || config.variation_amount > 0) ? config.seed : seed;
let altText = baseseed + ' | ' + (variations ? variations + ' | ' : '') + config.prompt;
// img needs width and height for lazy loading to work
const figureContents = `
<a href="${src}" target="_blank">
<img src="${src}"
alt="${altText}"
title="${altText}"
loading="lazy"
width="256"
height="256">
</a>
<figcaption>${seed}</figcaption>
`;
outputNode.innerHTML = figureContents;
let figcaption = outputNode.querySelector('figcaption');
// Reload image config
figcaption.addEventListener('click', () => {
let form = document.querySelector("#generate-form");
for (const [k, v] of new FormData(form)) {
if (k == 'initimg') { continue; }
form.querySelector(`*[name=${k}]`).value = config[k];
}
document.querySelector("#seed").value = baseseed;
document.querySelector("#with_variations").value = variations || '';
if (document.querySelector("#variation_amount").value <= 0) {
document.querySelector("#variation_amount").value = 0.2;
}
saveFields(document.querySelector("#generate-form"));
});
document.querySelector("#results").prepend(outputNode);
}
function saveFields(form) {
for (const [k, v] of new FormData(form)) {
if (typeof v !== 'object') { // Don't save 'file' type
localStorage.setItem(k, v);
}
}
}
function loadFields(form) {
for (const [k, v] of new FormData(form)) {
const item = localStorage.getItem(k);
if (item != null) {
form.querySelector(`*[name=${k}]`).value = item;
}
}
}
function clearFields(form) {
localStorage.clear();
let prompt = form.prompt.value;
form.reset();
form.prompt.value = prompt;
}
const BLANK_IMAGE_URL = 'data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg"/>';
async function generateSubmit(form) {
const prompt = document.querySelector("#prompt").value;
// Convert file data to base64
let formData = Object.fromEntries(new FormData(form));
formData.initimg_name = formData.initimg.name
formData.initimg = formData.initimg.name !== '' ? await toBase64(formData.initimg) : null;
let strength = formData.strength;
let totalSteps = formData.initimg ? Math.floor(strength * formData.steps) : formData.steps;
let progressSectionEle = document.querySelector('#progress-section');
progressSectionEle.style.display = 'initial';
let progressEle = document.querySelector('#progress-bar');
progressEle.setAttribute('max', totalSteps);
let progressImageEle = document.querySelector('#progress-image');
progressImageEle.src = BLANK_IMAGE_URL;
progressImageEle.style.display = {}.hasOwnProperty.call(formData, 'progress_images') ? 'initial': 'none';
// Post as JSON, using Fetch streaming to get results
fetch(form.action, {
method: form.method,
body: JSON.stringify(formData),
}).then(async (response) => {
const reader = response.body.getReader();
let noOutputs = true;
while (true) {
let {value, done} = await reader.read();
value = new TextDecoder().decode(value);
if (done) {
progressSectionEle.style.display = 'none';
break;
}
for (let event of value.split('\n').filter(e => e !== '')) {
const data = JSON.parse(event);
if (data.event === 'result') {
noOutputs = false;
appendOutput(data.url, data.seed, data.config);
progressEle.setAttribute('value', 0);
progressEle.setAttribute('max', totalSteps);
} else if (data.event === 'upscaling-started') {
document.getElementById("processing_cnt").textContent=data.processed_file_cnt;
document.getElementById("scaling-inprocess-message").style.display = "block";
} else if (data.event === 'upscaling-done') {
document.getElementById("scaling-inprocess-message").style.display = "none";
} else if (data.event === 'step') {
progressEle.setAttribute('value', data.step);
if (data.url) {
progressImageEle.src = data.url;
}
} else if (data.event === 'canceled') {
// avoid alerting as if this were an error case
noOutputs = false;
}
}
}
// Re-enable form, remove no-results-message
form.querySelector('fieldset').removeAttribute('disabled');
document.querySelector("#prompt").value = prompt;
document.querySelector('progress').setAttribute('value', '0');
if (noOutputs) {
alert("Error occurred while generating.");
}
});
// Disable form while generating
form.querySelector('fieldset').setAttribute('disabled','');
document.querySelector("#prompt").value = `Generating: "${prompt}"`;
}
async function fetchRunLog() {
try {
let response = await fetch('/run_log.json')
const data = await response.json();
for(let item of data.run_log) {
appendOutput(item.url, item.seed, item);
}
} catch (e) {
console.error(e);
}
}
window.onload = async () => {
document.querySelector("#prompt").addEventListener("keydown", (e) => {
if (e.key === "Enter" && !e.shiftKey) {
const form = e.target.form;
generateSubmit(form);
}
});
document.querySelector("#generate-form").addEventListener('submit', (e) => {
e.preventDefault();
const form = e.target;
generateSubmit(form);
});
document.querySelector("#generate-form").addEventListener('change', (e) => {
saveFields(e.target.form);
});
document.querySelector("#reset-seed").addEventListener('click', (e) => {
document.querySelector("#seed").value = -1;
saveFields(e.target.form);
});
document.querySelector("#reset-all").addEventListener('click', (e) => {
clearFields(e.target.form);
});
document.querySelector("#remove-image").addEventListener('click', (e) => {
initimg.value=null;
});
loadFields(document.querySelector("#generate-form"));
document.querySelector('#cancel-button').addEventListener('click', () => {
fetch('/cancel').catch(e => {
console.error(e);
});
});
document.documentElement.addEventListener('keydown', (e) => {
if (e.key === "Escape")
fetch('/cancel').catch(err => {
console.error(err);
});
});
if (!config.gfpgan_model_exists) {
document.querySelector("#gfpgan").style.display = 'none';
}
await fetchRunLog()
};