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viewers.h
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viewers.h
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/*
* Miniviewer and streamviewer
*/
const uint8_t miniviewer_html[] = R"=====(
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title id="title">ESP32-CAM MiniViewer</title>
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
<link rel="stylesheet" type="text/css" href="/style.css">
<style>
// style overrides here
</style>
</head>
<body>
<section class="main">
<div id="logo">
<label for="nav-toggle-cb" id="nav-toggle" style="float:left;" title="Settings">☰ </label>
<button id="swap-viewer" style="float:left;" title="Swap to full feature viewer">Full</button>
<button id="get-still" style="float:left;">Get Still</button>
<button id="toggle-stream" style="float:left;" class="hidden">Start Stream</button>
<div id="wait-settings" style="float:left;" class="loader" title="Waiting for camera settings to load"></div>
</div>
<div id="content">
<div class="hidden" id="sidebar">
<input type="checkbox" id="nav-toggle-cb">
<nav id="menu" style="width:24em;">
<div class="input-group hidden" id="lamp-group">
<label for="lamp">Light</label>
<div class="range-min">Off</div>
<input type="range" id="lamp" min="0" max="100" value="0" class="action-setting">
<div class="range-max">Full</div>
</div>
<div class="input-group" id="framesize-group">
<label for="framesize">Resolution</label>
<select id="framesize" class="action-setting">
<option value="10">UXGA(1600x1200)</option>
<option value="9">SXGA(1280x1024)</option>
<option value="8">XGA(1024x768)</option>
<option value="7">SVGA(800x600)</option>
<option value="6">VGA(640x480)</option>
<option value="5">CIF(400x296)</option>
<option value="4">QVGA(320x240)</option>
<option value="3">HQVGA(240x176)</option>
<option value="0">QQVGA(160x120)</option>
</select>
</div>
<!-- Hide the next entries, they are present in the body so that we
can pass settings to/from them for use in the scripting, not for user setting -->
<div id="rotate" class="action-setting hidden"></div>
<div id="cam_name" class="action-setting hidden"></div>
<div id="stream_url" class="action-setting hidden"></div>
<div id="detect" class="action-setting hidden"></div>
<div id="recognize" class="action-setting hidden"></div>
</nav>
</div>
<figure>
<div id="stream-container" class="image-container hidden">
<div class="close close-rot-none" id="close-stream">×</div>
<img id="stream" src="">
</div>
</figure>
</div>
</section>
</body>
<script>
document.addEventListener('DOMContentLoaded', function (event) {
var baseHost = document.location.origin;
var streamURL = 'Undefined';
const settings = document.getElementById('sidebar')
const waitSettings = document.getElementById('wait-settings')
const lampGroup = document.getElementById('lamp-group')
const rotate = document.getElementById('rotate')
const view = document.getElementById('stream')
const viewContainer = document.getElementById('stream-container')
const stillButton = document.getElementById('get-still')
const streamButton = document.getElementById('toggle-stream')
const closeButton = document.getElementById('close-stream')
const swapButton = document.getElementById('swap-viewer')
const hide = el => {
el.classList.add('hidden')
}
const show = el => {
el.classList.remove('hidden')
}
const disable = el => {
el.classList.add('disabled')
el.disabled = true
}
const enable = el => {
el.classList.remove('disabled')
el.disabled = false
}
const updateValue = (el, value, updateRemote) => {
updateRemote = updateRemote == null ? true : updateRemote
let initialValue
if (el.type === 'checkbox') {
initialValue = el.checked
value = !!value
el.checked = value
} else {
initialValue = el.value
el.value = value
}
if (updateRemote && initialValue !== value) {
updateConfig(el);
} else if(!updateRemote){
if(el.id === "lamp"){
if (value == -1) {
hide(lampGroup)
} else {
show(lampGroup)
}
} else if(el.id === "cam_name"){
window.document.title = value;
console.log('Name set to: ' + value);
} else if(el.id === "code_ver"){
console.log('Firmware Build: ' + value);
} else if(el.id === "rotate"){
rotate.value = value;
applyRotation();
} else if(el.id === "stream_url"){
streamURL = value;
streamButton.setAttribute("title", `You can also browse to '${streamURL}' for a raw stream`);
console.log('Stream URL set to:' + value);
}
}
}
function updateConfig (el) {
let value
switch (el.type) {
case 'checkbox':
value = el.checked ? 1 : 0
break
case 'range':
case 'select-one':
value = el.value
break
case 'button':
case 'submit':
value = '1'
break
default:
return
}
const query = `${baseHost}/control?var=${el.id}&val=${value}`
fetch(query)
.then(response => {
console.log(`request to ${query} finished, status: ${response.status}`)
})
}
document
.querySelectorAll('.close')
.forEach(el => {
el.onclick = () => {
hide(el.parentNode)
}
})
// read initial values
fetch(`${baseHost}/status`)
.then(function (response) {
return response.json()
})
.then(function (state) {
document
.querySelectorAll('.action-setting')
.forEach(el => {
updateValue(el, state[el.id], false)
})
hide(waitSettings);
show(settings);
show(streamButton);
startStream();
})
// Put some helpful text on the 'Still' button
stillButton.setAttribute("title", `You can also browse to '${baseHost}/capture' for standalone images`);
const stopStream = () => {
window.stop();
streamButton.innerHTML = 'Start Stream';
hide(viewContainer);
}
const startStream = () => {
view.src = streamURL;
view.scrollIntoView(false);
streamButton.innerHTML = 'Stop Stream';
show(viewContainer);
}
const applyRotation = () => {
rot = rotate.value;
if (rot == -90) {
viewContainer.style.transform = `rotate(-90deg) translate(-100%)`;
closeButton.classList.remove('close-rot-none');
closeButton.classList.remove('close-rot-right');
closeButton.classList.add('close-rot-left');
} else if (rot == 90) {
viewContainer.style.transform = `rotate(90deg) translate(0, -100%)`;
closeButton.classList.remove('close-rot-left');
closeButton.classList.remove('close-rot-none');
closeButton.classList.add('close-rot-right');
} else {
viewContainer.style.transform = `rotate(0deg)`;
closeButton.classList.remove('close-rot-left');
closeButton.classList.remove('close-rot-right');
closeButton.classList.add('close-rot-none');
}
console.log('Rotation ' + rot + ' applied');
}
// Attach actions to controls
stillButton.onclick = () => {
stopStream();
view.src = `${baseHost}/capture?_cb=${Date.now()}`;
view.scrollIntoView(false);
show(viewContainer);
}
closeButton.onclick = () => {
stopStream();
hide(viewContainer);
}
streamButton.onclick = () => {
const streamEnabled = streamButton.innerHTML === 'Stop Stream'
if (streamEnabled) {
stopStream();
} else {
startStream();
}
}
// Attach default on change action
document
.querySelectorAll('.action-setting')
.forEach(el => {
el.onchange = () => updateConfig(el)
})
// Custom actions
// Detection and framesize
rotate.onchange = () => {
applyRotation();
updateConfig(rotate);
}
framesize.onchange = () => {
updateConfig(framesize)
if (framesize.value > 5) {
updateValue(detect, false)
updateValue(recognize, false)
}
}
swapButton.onclick = () => {
window.open('/','_self');
}
})
</script>
</html>
)=====";
size_t miniviewer_html_len = sizeof(miniviewer_html);
/* Stream Viewer */
const uint8_t streamviewer_html[] = R"=====(
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title id="title">ESP32-CAM StreamViewer</title>
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
<style>
/* No stylesheet, define all style elements here */
body {
font-family: Arial,Helvetica,sans-serif;
background: #181818;
color: #EFEFEF;
font-size: 16px;
margin: 0px;
}
figure {
padding: 0px;
margin: 0px;
-webkit-margin-before: 0;
margin-block-start: 0;
-webkit-margin-after: 0;
margin-block-end: 0;
-webkit-margin-start: 0;
margin-inline-start: 0;
-webkit-margin-end: 0;
margin-inline-end: 0
}
figure img {
object-fit: contain;
display: block;
width: 100vw;
height: 100vh;
}
.image-container {
position: relative;
transform-origin: top left
}
.loader {
border: 0.5em solid #f3f3f3;
border-top: 0.5em solid #000000;
border-radius: 50%;
width: 1em;
height: 1em;
-webkit-animation: spin 2s linear infinite; /* Safari */
animation: spin 2s linear infinite;
}
@-webkit-keyframes spin { /* Safari */
0% { -webkit-transform: rotate(0deg); }
100% { -webkit-transform: rotate(360deg); }
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
</head>
<body>
<section class="main">
<div id="logo">
<div id="wait-settings" style="float:left;" class="loader" title="Waiting for stream settings to load"></div>
</div>
<div>
<div style="display: none;">
<!-- Hide the next entries, they are present in the body so that we
can pass settings to/from them for use in the scripting -->
<div id="rotate" class="action-setting hidden"></div>
<div id="cam_name" class="action-setting hidden"></div>
<div id="code_ver" class="action-setting hidden"></div>
<div id="stream_url" class="action-setting hidden"></div>
</div>
<figure>
<div id="stream-container" class="image-container" style="display: none;">
<img id="stream" src="">
</div>
</figure>
</div>
</section>
</body>
<script>
document.addEventListener('DOMContentLoaded', function (event) {
var baseHost = document.location.origin;
const rotate = document.getElementById('rotate')
const view = document.getElementById('stream')
const viewContainer = document.getElementById('stream-container')
const spinner = document.getElementById('wait-settings')
const updateValue = (el, value, updateRemote) => {
updateRemote = updateRemote == null ? true : updateRemote
let initialValue
if (el.type === 'checkbox') {
initialValue = el.checked
value = !!value
el.checked = value
} else {
initialValue = el.value
el.value = value
}
if (updateRemote && initialValue !== value) {
updateConfig(el);
} else if(!updateRemote){
if(el.id === "cam_name"){
window.document.title = value;
viewContainer.setAttribute("title", value + "\n(doubleclick for fullscreen)");
console.log('Name set to: ' + value);
} else if(el.id === "code_ver"){
console.log('Firmware Build: ' + value);
} else if(el.id === "rotate"){
rotate.value = value;
applyRotation();
} else if(el.id === "stream_url"){
streamURL = value;
console.log('Stream URL set to:' + value);
}
}
}
// read initial values
fetch(`${baseHost}/info`)
.then(function (response) {
return response.json()
})
.then(function (state) {
document
.querySelectorAll('.action-setting')
.forEach(el => {
updateValue(el, state[el.id], false)
})
spinner.style.display = `none`;
startStream();
})
const startStream = () => {
view.src = streamURL;
view.scrollIntoView(false);
viewContainer.style.display = `block`;
}
const applyRotation = () => {
rot = rotate.value;
if (rot == -90) {
viewContainer.style.transform = `rotate(-90deg) translate(-100%)`;
} else if (rot == 90) {
viewContainer.style.transform = `rotate(90deg) translate(0, -100%)`;
} else {
viewContainer.style.transform = `rotate(0deg)`;
}
console.log('Rotation ' + rot + ' applied');
view.ondblclick = () => {
if (view.requestFullscreen) {
view.requestFullscreen();
} else if (view.mozRequestFullScreen) { /* Firefox */
view.mozRequestFullScreen();
} else if (view.webkitRequestFullscreen) { /* Chrome, Safari and Opera */
view.webkitRequestFullscreen();
} else if (view.msRequestFullscreen) { /* IE/Edge */
view.msRequestFullscreen();
}
}
}
})
</script>
</html>
)=====";
size_t streamviewer_html_len = sizeof(streamviewer_html);