<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="author" content="@ajotanc" />
<title>Pixel Magic Tool</title>
<style>
:root {
--s-thumb: #0006;
--s-background: #0003;
--overlay: rgba(0, 0, 0, 0.5);
--background: #111;
--text: #bbb;
--gray-dark: #222;
--gray-medium: #333;
--gray-light: #eeeeee;
--blue-dark: #284352;
--blue-medium: #3b708b;
--blue-light: #48a;
--success-dark: #03440c;
--success-medium: #548c2f;
--success-light: #8ac926;
--error-dark: #a80a0a;
--error-medium: #c9262b;
--error-light: #ff595e;
--warning-dark: #dc2f02;
--warning-medium: #e85d04;
--warning-light: #f48c06;
}
::-webkit-scrollbar {
width: 6px;
}
::-webkit-scrollbar-track {
background: transparent;
}
::-webkit-scrollbar-thumb {
background: var(--s-thumb);
opacity: 0.2;
border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
background: var(--s-background);
}
::selection {
background: var(--blue-light);
}
* {
font-family: "Helvetica", Verdana, sans-serif;
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
margin: 0;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: var(--background);
}
canvas {
width: 100%;
}
small {
display: block;
font-weight: 400;
margin: 2px 0 5px;
color: var(--gray-light);
font-size: 0.75rem;
}
footer {
display: flex;
justify-content: center;
margin-block: 20px;
}
a {
text-decoration: none;
color: var(--blue-light);
font-size: 0.75rem;
font-weight: 600;
}
a:is(:hover, :focus, :active) {
color: var(--blue-medium);
}
#wledEdit {
padding: 1.5px 8px;
background: var(--blue-light);
margin-left: 6px;
border-radius: 4px;
color: var(--gray-light);
}
.container {
width: 100%;
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
}
.content {
width: min(768px, calc(100% - 40px));
margin-inline: 20px;
}
.row {
display: flex;
flex-wrap: nowrap;
justify-content: space-between;
margin-top: 20px;
}
.col {
flex-basis: calc(50% - 10px);
position: relative;
padding-inline: 5px;
}
.col-full {
flex-basis: 100%;
position: relative;
padding-inline: 5px;
}
.col-small {
flex-basis: 33.3333%;
position: relative;
padding-inline: 5px;
}
.header {
display: flex;
flex-direction: column;
padding-block: 20px;
}
.header .title {
font-size: 2.5rem;
line-height: 2.5rem;
font-weight: 800;
color: var(--gray-light);
padding-bottom: 5px;
}
.header .subtitle {
font-size: 0.75rem;
color: var(--text);
}
.header .rainbow {
background: linear-gradient(
to right,
#ef5350,
#f48fb1,
#7e57c2,
#2196f3,
#26c6da,
#43a047,
#eeff41,
#f9a825,
#ff5722
);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-size: 200% 200%;
animation: rainbow 5s linear infinite;
transition: background-position 0.5s ease;
}
label {
display: flex;
margin-bottom: 5px;
font-weight: bold;
color: var(--text);
align-items: center;
}
input[type="text"],
input[type="number"],
select,
textarea {
width: 100%;
padding: 10px;
border-radius: 50px;
background-color: var(--gray-medium);
border: 1px solid var(--gray-medium);
outline: none;
color: var(--gray-light);
font-size: 0.875rem;
}
.input-group {
display: flex;
justify-content: center;
align-items: center;
}
.input-group input:not([type="range"]) {
border-radius: 50px 0 0 50px;
}
.input-group .input-description {
width: 100%;
max-width: 38px;
height: 38px;
display: flex;
justify-content: center;
align-items: center;
color: var(--gray-dark);
background: var(--gray-light);
border-radius: 0px 50px 50px 0;
border: 1px solid var(--gray-light);
border-left: 0;
font-size: 0.875rem;
line-height: 1rem;
}
.input-group .square {
border-radius: 50px !important;
margin-left: 10px;
}
.input-group .square input {
text-align: center;
background: none;
padding: 0;
border: 0;
color: var(--gray-dark);
}
textarea {
resize: none;
border-radius: 8px;
}
.custom-select select {
appearance: none;
-webkit-appearance: none;
-moz-appearance: none;
background-image: none;
padding-right: 39px;
cursor: pointer;
}
.custom-select label::after {
content: "";
position: absolute;
top: calc(50% + 6px);
right: 21px;
transform: rotate(135deg);
width: 6px;
height: 6px;
border-top: 2px solid var(--gray-light);
border-right: 2px solid var(--gray-light);
pointer-events: none;
}
.dropzone {
width: 100%;
border: 1px dashed var(--gray-light);
background-color: var(--gray-dark);
color: var(--gray-light);
text-align: center;
padding: 40px 10px;
border-radius: 8px;
margin-top: 20px;
transition: all 0.5s ease-in-out;
}
.dropzone:hover {
cursor: pointer;
color: var(--gray-dark);
background-color: var(--gray-light);
border-color: var(--gray-dark);
}
.dropzone.dragover {
background-color: var(--gray-medium);
}
.range-slider {
appearance: none;
background-color: var(--gray-light);
height: 8px;
width: 100%;
border-radius: 10px;
outline: none;
margin-block: 15px;
}
.range-slider::-webkit-slider-thumb,
.range-slider::-moz-range-thumb {
appearance: none;
height: 16px;
width: 16px;
background-color: var(--blue-light);
border-radius: 50%;
cursor: pointer;
border: 0;
}
.switch {
position: relative;
display: inline-block;
width: 38px;
height: 20px;
}
.switch input {
outline: none;
display: none;
}
.switch-slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: var(--gray-medium);
border-radius: 34px;
transition: 0.4s;
}
.switch-slider:before {
position: absolute;
content: "";
height: 14px;
width: 14px;
left: 3px;
bottom: 3px;
background-color: white;
border-radius: 50%;
transition: 0.4s;
}
input:checked + .switch-slider {
background-color: var(--blue-light);
}
input:focus + .switch-slider {
box-shadow: 0 0 1px var(--blue-light);
}
input:checked + .switch-slider:before {
transform: translateX(18px);
}
#toast-container {
position: fixed;
bottom: 20px;
right: 20px;
z-index: 9999;
}
.toast {
display: flex;
align-items: center;
width: auto;
padding: 6px 12px;
margin-top: 10px;
border-radius: 8px;
transform: translateY(30px);
opacity: 0;
visibility: hidden;
}
.toast .toast-body {
padding-block: 8px;
font-weight: 600;
color: var(--text);
letter-spacing: 0.5px;
}
.toast.success {
background-color: var(--success-medium);
}
.toast.error {
background-color: var(--error-light);
}
.toast.warning {
background-color: var(--warning-light);
}
.toast-progress {
position: absolute;
left: 4px;
bottom: 4px;
width: calc(100% - 8px);
height: 3px;
transform: scaleX(0);
transform-origin: left;
border-radius: 8px;
}
.toast.success .toast-progress {
background: linear-gradient(
to right,
var(--success-light),
var(--success-medium)
);
}
.toast.error .toast-progress {
background: linear-gradient(
to right,
var(--error-light),
var(--error-medium)
);
}
.toast.warning .toast-progress {
background: linear-gradient(
to right,
var(--warning-light),
var(--warning-medium)
);
}
.carousel {
display: flex;
height: 100%;
width: 100%;
cursor: pointer;
}
.button {
width: 100%;
border: 0;
padding: 10px 18px;
border-radius: 50px;
color: var(--text);
cursor: pointer;
margin-bottom: 10px;
background: var(--gray-medium);
border: 1px solid var(--gray-dark);
transition: all 0.5s ease-in-out;
font-size: 0.875rem;
font-weight: 600;
}
.button:hover {
background: var(--gray-dark);
border: 1px solid var(--gray-medium);
}
.button:last-child {
margin-bottom: 0;
}
.buttons {
display: flex;
flex-direction: column;
width: 100%;
}
#overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: var(--overlay);
display: none;
}
#overlay.loading::after {
content: "";
display: block;
position: absolute;
top: calc(50% - 19px);
left: calc(50% - 19px);
width: 26px;
height: 26px;
border: 6px solid var(--gray-light);
border-top-color: var(--gray-dark);
border-radius: 50%;
animation: spin 1s linear infinite;
}
#recreatedImage {
margin-block: 20px;
}
.invalid {
border: 1px solid var(--error-dark) !important;
}
.error-message {
display: block;
color: var(--error-dark);
padding-block: 4px;
font-weight: 600;
font-size: 0.75rem;
}
@media (max-width: 767px) {
.row {
flex-wrap: wrap;
flex-direction: column;
margin: 0;
}
.col,
.col-full,
.col-small {
flex-basis: 100%;
margin-top: 20px;
padding: 0;
}
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}
@keyframes progress {
to {
transform: scaleX(1);
}
}
@keyframes fadeIn {
5% {
opacity: 1;
visibility: visible;
transform: translateY(0);
}
95% {
opacity: 1;
transform: translateY(0);
}
}
@keyframes rainbow {
0% {
background-position: 0% 0;
}
100% {
background-position: 200% 0;
}
}
</style>
</head>
<body>
<div class="container">
<div class="content">
<form id="formGenerate" novalidate>
<div class="header">
<span class="title"
>PIXEL <span class="rainbow">MAGIC</span> TOOL</span
>
<span class="subtitle"
>It is a tool that converts any image into code in
<strong>JSON WLED</strong> format for
<strong>2D Matrix</strong> panels</span
>
</div>
<div class="row">
<div class="col" validate>
<label for="hostname">Hostname</label>
<input type="text" name="hostname" id="hostname" required />
</div>
<div class="col" validate>
<label for="name">Preset Name</label>
<input
type="text"
name="name"
id="name"
value="New Preset"
required />
</div>
</div>
<div class="row">
<div class="col" validate>
<div class="custom-select">
<label for="pattern">Pattern</label>
<select name="pattern" id="pattern" required>
<option value="1" title="['ffffff']">Individual</option>
<option value="2" title="[0, 'ffffff']">Index</option>
<option value="3" title="[0, 5, 'ffffff']" selected>
Range
</option>
</select>
</div>
</div>
<div class="col" validate>
<div class="custom-select">
<label for="output">Output</label>
<select name="output" id="output" required>
<option value="json" selected>WLED JSON</option>
<option value="ha">Home Assistant</option>
<option value="curl">CURL</option>
</select>
</div>
</div>
</div>
<div class="row output" style="display: none">
<div class="col" validate>
<label for="device">Device</label>
<input type="text" name="device" id="device" required />
</div>
<div class="col" validate>
<label for="uniqueId">Unique Id</label>
<input type="text" name="uniqueId" id="uniqueId" required />
</div>
<div class="col" validate>
<label for="friendlyName">Friendly Name</label>
<input
type="text"
name="friendlyName"
id="friendlyName"
required />
</div>
</div>
<div class="row">
<div class="col" validate>
<div class="custom-select">
<label for="segments">Segment Id</label>
<select name="segments" id="segments">
<option value="0" data-width="16" data-height="16">
Segment 0
</option>
</select>
</div>
</div>
<div class="col" validate>
<label for="brightness">Brightness</label>
<div class="input-group">
<input
type="range"
name="brightness"
id="brightness"
min="0"
max="255"
value="128"
class="range-slider" />
<div class="input-description square">
<input
type="text"
name="brightnessValue"
id="brightnessValue"
value="128" />
</div>
</div>
</div>
</div>
<div class="row">
<div class="col" validate>
<label for="animation">Animation</label>
<label class="switch">
<input
type="checkbox"
name="animation"
id="animation"
data-parent="animation" />
<span class="switch-slider"></span>
</label>
</div>
<div class="col" validate>
<label for="transparentImage">Transparent Image</label>
<label class="switch">
<input
type="checkbox"
name="transparentImage"
id="transparentImage"
data-parent="transparentImage" />
<span class="switch-slider"></span>
</label>
</div>
<div class="col" validate>
<label for="resizeImage">Resize Image</label>
<label class="switch">
<input
type="checkbox"
name="resizeImage"
id="resizeImage"
data-parent="resizeImage"
checked />
<span class="switch-slider"></span>
</label>
</div>
</div>
<div class="row resizeImage">
<div class="col" validate>
<label for="width">Width</label>
<input type="number" name="width" id="width" value="16" />
</div>
<div class="col" validate>
<label for="height">Height</label>
<input type="number" name="height" id="height" value="16" />
</div>
</div>
<div class="row animation" style="display: none">
<div class="col" validate>
<label for="frames">Frames</label>
<input type="number" name="frames" id="frames" value="4" />
</div>
<div class="col" validate>
<label for="duration">Duration</label>
<div class="input-group">
<input
type="number"
name="duration"
id="duration"
value="0.5"
required="required"
min="0"
step="0.1"
inputmode="numeric" />
<div class="input-description">
<span>sec</span>
</div>
</div>
</div>
<div class="col" validate>
<label for="transition">Transition</label>
<div class="input-group">
<input
type="number"
name="transition"
id="transition"
value="0.2"
required="required"
min="0"
step="0.1"
inputmode="numeric" />
<div class="input-description">
<span>sec</span>
</div>
</div>
</div>
</div>
<div class="row transparentImage" style="display: none">
<div class="col-full" validate>
<label for="color">Choose a color</label>
<small>
Color that will replace the
<strong>transparent pixels</strong> in the image
</small>
<input type="color" name="color" id="color" value="#00BFFF" />
</div>
</div>
<div class="row">
<div class="col-full" validate>
<div class="custom-select">
<label for="images">
<span>Images upload to WLED</span>
<a id="wledEdit" href="http://[wled-ip]/edit" target="_blank">
upload
</a>
</label>
<select name="images" id="images">
<option value="">Select image</option>
</select>
</div>
</div>
</div>
<div id="dropzone" class="dropzone" validate>
<p id="dropzoneLabel">
Drag and drop a file here or click to select a local file
</p>
<input
type="file"
name="source"
id="source"
accept="image/*"
style="display: none" />
</div>
<div class="row">
<div class="col-full">
<button type="button" class="button" id="btnGenerate">
Generate
</button>
</div>
<div class="col-small" id="gbth" style="display: none">
<button
type="button"
class="button"
onclick="window.location.href = WLED_URL;">
Back
</button>
</div>
</div>
</form>
<div id="preview" style="display: none">
<div id="recreatedImage"></div>
<textarea name="response" id="response" rows="8" readonly="readonly">
</textarea>
<div class="buttons">
<div class="row">
<div class="col">
<button type="button" class="button" id="btnCopyToClipboard">
Copy to Clipboard
</button>
</div>
<div class="col">
<button type="button" class="button" id="btnSave">Save</button>
</div>
<div class="col">
<button type="button" class="button" id="btnDownloadPreset">
Download
</button>
</div>
</div>
<div class="row" id="simulate" style="display: none">
<div class="col-full">
<button type="button" class="button" id="btnSimulatePreset">
Simulate
</button>
</div>
</div>
</div>
</div>
</div>
<footer>
<a href="https://github.com/ajotanc/PixelMagicTool" target="_blank">
Github © Pixel Magic Tool
</a>
</footer>
</div>
<div id="toast-container"></div>
<div id="overlay"></div>
</body>
<script>
const d = document;
const params = new URLSearchParams(window.location.search);
const host = params.get("hn")
? params.get("hn")
: window.location.host
? window.location.host
: "0.0.0.0";
const protocol =
window.location.protocol === "file:" ? "http:" : window.location.protocol;
let WLED_URL = `${protocol}//${host}`;
const hostname = gId("hostname");
hostname.value = host;
hostname.addEventListener("blur", async () => {
WLED_URL = `${protocol}//${hostname.value}`;
await segments();
await images();
hostnameLabel();
});
gId("gbth").style.display =
window.location.protocol === "http:" ? "flex" : "none";
let jsonSaveWLED = [];
let jsonSendWLED = {};
(async function () {
await segments();
await images();
hostnameLabel();
})();
function gId(id) {
return d.getElementById(id);
}
function hostnameLabel() {
const link = gId("wledEdit");
link.href = WLED_URL + "/edit";
}
async function playlist() {
const { value: duration } = gId("duration");
const { value: transition } = gId("transition");
const { value: name } = gId("name");
const urlPreset = `${WLED_URL}/presets.json`;
const url = `${WLED_URL}/json`;
try {
const response = await fetch(urlPreset);
const data = await response.json();
const items = Object.keys(data);
const ps = items.filter(
(key) =>
typeof data[key] === "object" &&
!data[key].playlist &&
data[key].n &&
data[key].n.startsWith(name)
);
const id =
items.find(
(key) =>
typeof data[key] === "object" &&
data[key].playlist &&
data[key].n &&
data[key].n === name
) || parseInt(items.pop()) + 1;
const body = {
psave: parseInt(id),
n: name,
on: true,
o: false,
playlist: {
ps,
dur: Array.from({ length: ps.length }, () => duration * 10),
transition: Array.from(
{ length: ps.length },
() => transition * 10
),
repeat: 0,
end: 0,
},
};
const options = {
method: "POST",
body: JSON.stringify(body),
};
try {
const response = await fetch(url, options);
const { success } = await response.json();
if (success) {
toast(`Playlist "${name}" save successfully`);
}
} catch (error) {
toast(`Error saving preset: ${error}`, "error");
}
} catch (error) {
toast(error, "error");
}
}
async function insert(data, isAnimated = false, delay = 5000) {
const urlPreset = `${WLED_URL}/presets.json`;
const url = `${WLED_URL}/json`;
let requestsCompleted = 0;
show();
const promises = data.map(async (item) => {
return new Promise((resolve, reject) => {
setTimeout(async () => {
try {
const response = await fetch(urlPreset);
const data = await response.json();
const items = Object.keys(data);
const id =
items.find(
(key) =>
typeof data[key] === "object" &&
!data[key].playlist &&
data[key].n === item.n
) || parseInt(items.pop()) + 1;
const body = Object.assign(item, { psave: parseInt(id) });
const options = {
method: "POST",
body: JSON.stringify(body),
};
try {
const response = await fetch(url, options);
const { success } = await response.json();
if (success) {
toast(`Preset "${item.n}" save successfully`);
window.parent.postMessage("loadPresets", WLED_URL);
}
} catch (error) {
toast(`Error saving preset: ${error}`, "error");
}
} catch (error) {
toast(error, "error");
} finally {
resolve();
}
}, delay * requestsCompleted++);
});
});
await Promise.all(promises);
if (isAnimated) {
setTimeout(async () => {
await playlist()
.then(() => {
hide();
})
.finally(() => {
hide();
});
}, delay);
} else {
hide();
}
}
async function images() {
const url = `${WLED_URL}/edit?list=/`;
const select = gId("images");
show();
try {
const response = await fetch(url);
const data = await response.json();
const mimeTypes = ["jpeg", "jpg", "png", "gif"];
const images = data.filter((file) => {
const { name } = file;
const [filename, mimetype] = name.split(".");
file.name = name.replace("/", "");
return mimeTypes.includes(mimetype);
});
const options = [{ text: "Select image", value: "" }];
if (images.length > 0) {
options.push(
...images.map(({ name }) => ({
text: name,
value: `${WLED_URL}/${name}`,
}))
);
select.innerHTML = "";
options.forEach(({ text, value }) => {
const option = new Option(text, value);
if (index === 0) {
option.selected = true;
}
select.appendChild(option);
});
}
} catch (error) {
toast(error, "error");
} finally {
hide();
}
}
async function segments() {
const select = gId("segments");
const width = gId("width");
const height = gId("height");
show();
try {
const url = `${WLED_URL}/json/state`;
const response = await fetch(url);
const { seg: segments } = await response.json();
const options = [
{ text: "Segment Default", value: 0, width: 16, height: 16 },
];
if (segments) {
options.splice(0);
options.push(
...segments.map(({ id, n, start, stop, startY, stopY }) => ({
text: n ? n : `Segment ${id}`,
value: id,
width: stop - start,
height: stopY - startY,
}))
);
}
select.innerHTML = "";
options.forEach(({ text, value, width: w, height: h }, index) => {
const option = new Option(text, value);
option.dataset.width = w;
option.dataset.height = h;
if (index === 0) {
option.selected = true;
width.value = w;
height.value = h;
}
select.add(option);
});
} catch (error) {
toast(error, "error");
} finally {
hide();
}
}
gId("dropzone").addEventListener("dragover", (e) => {
e.preventDefault();
});
gId("dropzone").addEventListener("drop", (e) => {
e.preventDefault();
source.files = e.dataTransfer.files;
const { name } = source.files[0];
gId("dropzoneLabel").textContent = `Image ${name} selected!`;
validate(e);
});
gId("dropzone").addEventListener("click", () => {
source.click();
});
gId("source").addEventListener("change", (e) => {
const dropzoneLabel = gId("dropzoneLabel");
const { value } = e.target;
if (value) {
const { name } = e.target.files[0];
dropzoneLabel.textContent = `Image ${name} selected!`;
} else {
dropzoneLabel.textContent =
"Drag and drop a file here or click to select a file";
}
validate(e);
});
gId("btnSimulatePreset").addEventListener("click", async () => {
const url = `${WLED_URL}/json/state`;
const options = {
method: "POST",
body: JSON.stringify(jsonSendWLED),
};
show();
try {
const response = await fetch(url, options);
const { success } = await response.json();
if (success) {
toast("Successfully simulated preset");
}
} catch (error) {
toast(error, "error");
} finally {
hide();
}
});
gId("btnSave").addEventListener("click", async () => {
const { checked } = gId("animation");
const { value: name } = gId("name");
if (checked) {
await insert(jsonSaveWLED, true);
} else {
jsonSaveWLED.splice(0);
jsonSaveWLED.push(
Object.assign({}, jsonSendWLED, { n: name, o: false })
);
await insert(jsonSaveWLED);
}
});
gId("btnCopyToClipboard").addEventListener("click", async () => {
const response = gId("response");
response.select();
try {
await navigator.clipboard.writeText(response.value);
toast("Text copied to clipboard");
} catch (error) {
try {
await d.execCommand("copy");
toast("Text copied to clipboard");
} catch (error) {
toast(error, "error");
}
}
});
gId("btnDownloadPreset").addEventListener("click", () => {
const { value: response } = gId("response");
const { value: output } = gId("output");
const timestamp = new Date().getTime();
const filename = `WLED_${timestamp}`;
downloadFile(response, filename, output);
});
gId("segments").addEventListener("change", (e) => {
const { width, height } = e.target.selectedOptions[0].dataset;
gId("width").value = w;
gId("height").value = h;
});
gId("output").addEventListener("change", (e) => {
const { value } = e.target.selectedOptions[0];
d.querySelector(".output").style.display =
value === "ha" ? "flex" : "none";
});
gId("brightnessValue").addEventListener("input", (e) => {
const { value } = e.target;
const bri = value <= 255 ? value : 255;
gId("brightness").value = bri;
e.target.value = bri;
});
gId("brightness").addEventListener("input", (e) => {
const { value } = e.target;
gId("brightnessValue").value = value;
});
gId("images").addEventListener("change", (e) => {
const dropzone = gId("dropzone");
const { value } = e.target.selectedOptions[0];
if (!value) {
const source = gId("source");
gId("dropzoneLabel").textContent =
"Drag and drop a file here or click to select a local file";
source.value = "";
dropzone.style.display = "block";
} else {
dropzone.style.display = "none";
}
});
gId("transparentImage").addEventListener("change", (e) => {
const { checked } = e.target;
d.querySelector(".transparentImage").style.display = checked
? "flex"
: "none";
});
gId("resizeImage").addEventListener("change", (e) => {
const { checked } = e.target;
d.querySelector(".resizeImage").style.display = checked ? "flex" : "none";
});
gId("animation").addEventListener("change", (e) => {
const animation = d.querySelector(".animation");
const source = gId("source");
const { checked } = e.target;
if (checked) {
toast(
'If you want all frames in the image, set it to "0"',
"warning",
5000
);
source.setAttribute("accept", "image/gif");
animation.style.display = "flex";
} else {
source.setAttribute("accept", "image/*");
animation.style.display = "none";
}
});
gId("btnGenerate").addEventListener("click", async (event) => {
const { checked } = gId("animation");
if (validate(event)) {
jsonSaveWLED.splice(0);
gId("preview").style.display = "block";
gId("recreatedImage").innerHTML = "";
const simulate = gId("simulate");
if (checked) {
simulate.style.display = "none";
await generateAnimation();
} else {
simulate.style.display = "flex";
await generate();
}
}
});
async function createObjectURL(url) {
return fetch(url)
.then((response) => response.arrayBuffer())
.then((buffer) => {
const binaryData = new Uint8Array(buffer);
const base64 = btoa(String.fromCharCode(...binaryData));
return `data:image/png;base64,${base64}`;
});
}
function loadImage(url) {
return new Promise((resolve, reject) => {
const img = new Image();
img.onload = () => resolve(img);
img.onerror = (error) => reject(error);
img.src = url;
});
}
async function generate() {
const file = gId("source").files[0];
const { value: images } = gId("images");
const { value: output } = gId("output");
show();
try {
const response = gId("response");
const recreatedImage = gId("recreatedImage");
const urlImage = !images
? URL.createObjectURL(file)
: await createObjectURL(images);
const image = await loadImage(urlImage);
const { canvas, bri, id, i } = recreate(image);
await new Promise((resolve) => {
Object.assign(jsonSendWLED, {
on: true,
bri,
seg: {
id,
i,
},
});
resolve();
});
const jsonData = JSON.stringify(jsonSendWLED);
const dataResponse = formatOutput(output, jsonData);
response.value = dataResponse;
recreatedImage.appendChild(canvas);
} catch (error) {
toast(error, "error");
} finally {
hide();
}
}
async function generateAnimation() {
const file = gId("source").files[0];
const images = gId("images");
const response = gId("response");
const { value: presetName } = gId("name");
const { value: amount } = gId("frames");
const { value: output } = gId("output");
const { value: duration } = gId("duration");
const { text: imageName, value: imageValue } = images.selectedOptions[0];
show();
try {
const body = new FormData();
if (!imageValue) {
body.append("image", file);
} else {
const responseImage = await fetch(imageValue);
const blob = await responseImage.blob();
const file = new File([blob], imageName, { type: blob.type });
body.append("image", file);
}
const responseFrames = await fetch(
`https://pixelmagictool.vercel.app/api/wled/frames?amount=${amount}`,
{
method: "POST",
body,
}
);
const { message, frames } = await responseFrames.json();
if (!responseFrames.ok) {
toast(message, "error");
return;
}
jsonSaveWLED = [];
const texteares = [];
const canvases = [];
const delay = duration * 1000;
const promises = frames.map(async (frame, index) => {
const image = await loadImage(frame);
const { canvas, bri, id, i } = recreate(image);
const jsonData = {
on: true,
bri,
seg: { id, i },
};
const n = `${presetName} ${index + 1}`;
texteares.push(`${n}|${JSON.stringify(jsonData)}`);
canvases.push(canvas);
jsonSaveWLED.push(Object.assign(jsonData, { n, o: true }));
});
await Promise.all(promises);
const dataResponse = texteares.map((item) => {
const [presetName, json] = item.split("|");
const outputFormatted = formatOutput(output, json);
const comment = ["ha", "curl"].includes(output) ? "#" : "//";
return `${comment} ${presetName}\n${outputFormatted}`;
});
response.value = dataResponse.join("\n");
toast(message);
carousel("recreatedImage", canvases, delay);
} catch (error) {
toast(error, "error");
} finally {
hide();
}
}
function recreate(image) {
const { value: pattern } = gId("pattern");
const { value: segmentId } = gId("segments");
const { value: brightness } = gId("brightness");
const { value: inputWidth } = gId("width");
const { value: inputHeight } = gId("height");
const { checked: resizeImage } = gId("resizeImage");
const resizeWidth = parseInt(inputWidth);
const resizeHeight = parseInt(inputHeight);
const { width: dataWidth, height: dataHeight } =
gId("segments").selectedOptions[0].dataset;
const segmentWidth = parseInt(dataWidth);
const segmentHeight = parseInt(dataHeight);
const imgWidth = image.naturalWidth;
const imgHeight = image.naturalHeight;
const width = resizeImage ? resizeWidth : imgWidth;
const height = resizeImage ? resizeHeight : imgHeight;
const overallWidth = resizeImage ? segmentWidth : width;
const overallHeight = resizeImage ? segmentHeight : height;
const startX = Math.floor((segmentWidth - width) / 2);
const startY = Math.floor((segmentHeight - height) / 2);
const pixelsRef = 48;
const canvasWidth = overallWidth * pixelsRef;
const canvasHeight = overallHeight * pixelsRef;
const fontSize = canvasWidth <= 768 ? 14 : 18;
const colors = [];
const { ctx: reference } = createCanvas(width, height);
reference.drawImage(image, 0, 0, width, height);
const imageData = reference.getImageData(0, 0, width, height);
const pixels = imageData.data;
const { canvas, ctx } = createCanvas(canvasWidth, canvasHeight);
ctx.fillStyle = "#000000";
ctx.fillRect(0, 0, canvasWidth, canvasHeight);
for (let h = 0; h < overallHeight; h++) {
for (let w = 0; w < overallWidth; w++) {
let pixelId = h * overallWidth + w + 1;
let coordinateX = w * pixelsRef;
let coordinateY = h * pixelsRef;
let pixelX = w - startX;
let pixelY = h - startY;
let hex = "000000";
if (
(resizeImage &&
pixelX >= 0 &&
pixelX < width &&
pixelY >= 0 &&
pixelY < height) ||
(!resizeImage && w < width && h < height)
) {
let index = resizeImage ? pixelY * width + pixelX : h * width + w;
let red = pixels[index * 4];
let green = pixels[index * 4 + 1];
let blue = pixels[index * 4 + 2];
let alpha = pixels[index * 4 + 3];
hex = pixelColor(red, green, blue, alpha);
let { r, g, b } = hexToRgb(hex);
colors.push(hex);
ctx.fillStyle = `rgb(${r}, ${g}, ${b})`;
ctx.fillRect(coordinateX, coordinateY, pixelsRef, pixelsRef);
} else {
colors.push("000000");
}
ctx.lineWidth = 1;
ctx.strokeStyle = "#111111";
ctx.strokeRect(coordinateX, coordinateY, pixelsRef, pixelsRef);
let offsetX = coordinateX + pixelsRef / 2;
let offsetY = coordinateY + pixelsRef / 2;
ctx.font = `${fontSize}px Arial`;
ctx.fillStyle = hex === "000000" ? "#eeeeee" : "#111111";
ctx.textAlign = "center";
ctx.textBaseline = "middle";
ctx.fillText(pixelId, offsetX, offsetY);
}
}
switch (pattern) {
case "1":
i = colors;
break;
case "2":
i = index(colors);
break;
case "3":
i = range(colors);
break;
}
return {
canvas,
bri: parseInt(brightness),
id: parseInt(segmentId),
i,
};
}
function range(colors) {
let startIndex = 0;
let endIndex = 0;
let currentColor = colors[0];
let pattern = [];
colors.forEach((color, index) => {
if (color !== currentColor) {
endIndex = index;
const repetitions = endIndex - startIndex;
if (repetitions == 1) {
pattern.push(currentColor);
} else {
pattern.push(startIndex, endIndex, currentColor);
}
startIndex = index;
}
currentColor = color;
});
const lastRepetition = colors.length - startIndex;
if (lastRepetition === 1) {
pattern.push(currentColor);
} else {
pattern.push(startIndex, colors.length, currentColor);
}
return pattern;
}
function pixelColor(r, g, b, a) {
const { checked } = gId("transparentImage");
const { value } = gId("color");
if (a === 0) {
if (checked) {
return value.replace("#", "").toLowerCase();
}
return rgbToHex(255, 255, 255);
}
return rgbToHex(r, g, b);
}
function hexToRgb(hex) {
hex = hex.replace("#", "");
if (hex.length === 3) {
hex = hex.replace(/(.)/g, "$1$1");
}
const [r, g, b] = hex
.match(/.{2}/g)
.map((component) => parseInt(component, 16));
return { r, g, b };
}
function rgbToHex(r, g, b) {
const hex = ((r << 16) | (g << 8) | b).toString(16);
return ("000000" + hex).slice(-6);
}
function index(colors) {
const pattern = [];
colors.forEach((led, index) => {
pattern.push(index, led);
});
return pattern;
}
function createCanvas(width, height) {
const canvas = d.createElement("canvas");
canvas.width = width;
canvas.height = height;
const ctx = canvas.getContext("2d", { willReadFrequently: true });
ctx.imageSmoothingQuality = "high";
ctx.imageSmoothingEnabled = false;
return { canvas, ctx };
}
function formatOutput(output, json) {
return output === "ha"
? yaml(json)
: output === "curl"
? curl(json)
: json;
}
function downloadFile(text, filename, output) {
let mimeType;
let fileExtension;
let response;
switch (output) {
case "json":
mimeType = "application/json";
fileExtension = "json";
break;
case "ha":
mimeType = "application/x-yaml";
fileExtension = "yaml";
break;
case "curl":
mimeType = "text/plain";
fileExtension = "txt";
break;
}
const blob = new Blob([text], { type: mimeType });
const url = URL.createObjectURL(blob);
const anchorElement = d.createElement("a");
anchorElement.href = url;
anchorElement.download = `${filename}.${fileExtension}`;
anchorElement.click();
URL.revokeObjectURL(url);
}
function yaml(jsonData) {
const { value: device } = gId("device");
const { value: friendly_name } = gId("friendlyName");
const { value: unique_id } = gId("uniqueId");
const { value: hostname } = gId("hostname");
if (device) {
const yamlData = {
switches: {
[device]: {
friendly_name,
unique_id,
command_on: `curl -X POST "http://${hostname}/json/state" -d '${jsonData}' -H "Content-Type: application/json"`,
command_off: `curl -X POST "http://${hostname}/json/state" -d '{"on":false}' -H "Content-Type: application/json"`,
},
},
};
return convertToYaml(yamlData);
}
}
function curl(jsonData) {
const { value: hostname } = gId("hostname");
return `curl -X POST "http://${hostname}/json/state" -d '${jsonData}' -H "Content-Type: application/json"`;
}
function convertToYaml(obj) {
function processValue(value, indentationLevel) {
if (typeof value === "object" && !Array.isArray(value)) {
return processObject(value, indentationLevel + 1);
} else {
return value;
}
}
function processObject(obj, indentationLevel = 0) {
const indent = " ".repeat(indentationLevel);
const lines = Object.entries(obj).map(([key, value]) => {
if (typeof value === "object" && !Array.isArray(value)) {
return `${indent}${key}:\n${processObject(
value,
indentationLevel + 1
)}`;
} else {
return `${indent}${key}: ${processValue(value, indentationLevel)}`;
}
});
return lines.join("\n");
}
return processObject(obj);
}
function toast(
message,
type = "success",
duration = 2000,
hideElement = "preview"
) {
const hide = gId(hideElement);
const toast = d.createElement("div");
const wait = 100;
toast.style.animation = "fadeIn";
toast.style.animationDuration = `${duration + wait}ms`;
toast.style.animationTimingFunction = "linear";
toast.classList.add("toast", type);
const body = d.createElement("span");
body.classList.add("toast-body");
body.textContent = message;
toast.appendChild(body);
const progress = d.createElement("div");
progress.classList.add("toast-progress");
progress.style.animation = "progress";
progress.style.animationDuration = `${duration + wait}ms`;
progress.style.animationDelay = "0s";
toast.appendChild(progress);
gId("toast-container").appendChild(toast);
setTimeout(() => {
toast.style.opacity = 0;
setTimeout(() => {
toast.remove();
}, wait);
}, duration);
if (type === "error") {
hide.style.display = "none";
}
}
function carousel(id, images, delay = 3000) {
let index = 0;
const carousel = d.createElement("div");
carousel.classList.add("carousel");
images.forEach((canvas, i) => {
if (i === index) {
carousel.appendChild(canvas);
} else {
canvas.style.display = "none";
carousel.appendChild(canvas);
}
});
const container = gId(id);
container.innerHTML = "";
container.appendChild(carousel);
function next() {
images[index].style.display = "none";
index++;
if (index >= images.length) {
index = 0;
}
images[index].style.display = "block";
loop();
}
function previous() {
images[index].style.display = "none";
index--;
if (index < 0) {
index = images.length - 1;
}
images[index].style.display = "block";
loop();
}
let timeoutId;
function loop() {
clearTimeout(timeoutId);
timeoutId = setTimeout(() => {
next();
if (index === 0) {
carousel.scrollTo(0, 0);
}
}, delay);
}
loop();
carousel.addEventListener("mouseover", () => {
clearTimeout(timeoutId);
});
carousel.addEventListener("mouseout", () => {
loop();
});
}
function show() {
const overlay = gId("overlay");
overlay.classList.add("loading");
overlay.style.display = "block";
overlay.style.cursor = "not-allowed";
d.body.style.overflow = "hidden";
}
function hide() {
const overlay = gId("overlay");
overlay.classList.remove("loading");
overlay.style.display = "none";
overlay.style.cursor = "default";
d.body.style.overflow = "auto";
}
function validate(event) {
event.preventDefault();
const form = gId("formGenerate");
const inputs = form.querySelectorAll("input, select, textarea");
let isValid = true;
const browserLanguage = navigator.language || navigator.userLanguage;
const messageRequired =
browserLanguage === "pt-br"
? "Este campo é obrigatório"
: "This field is required";
inputs.forEach((input) => {
const parent = input.closest("[validate]");
if (!parent) {
return;
}
let isVisible = true;
let tempParent = parent;
while (tempParent !== d.body) {
const parentStyles = window.getComputedStyle(tempParent);
if (
parentStyles.display === "none" ||
parentStyles.display === "hidden"
) {
isVisible = false;
break;
}
tempParent = tempParent.parentNode;
}
if (
isVisible &&
(!input.checkValidity() ||
(input.type === "file" && input.files.length === 0))
) {
input.classList.add("invalid");
const errorMessage =
input.dataset.errorMessage ||
input.validationMessage ||
messageRequired;
let errorElement = parent.querySelector(".error-message");
if (!errorElement) {
errorElement = d.createElement("div");
errorElement.classList.add("error-message");
parent.appendChild(errorElement);
}
errorElement.innerText = errorMessage;
isValid = false;
} else {
input.classList.remove("invalid");
const errorElement = parent.querySelector(".error-message");
if (errorElement) {
parent.removeChild(errorElement);
}
}
});
return isValid;
}
</script>
</html>