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customize-ui.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Dynamsoft Camera Enhancer Sample - Customize UI</title>
<script src="https://cdn.jsdelivr.net/npm/dynamsoft-core@3.0.30/dist/core.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dynamsoft-camera-enhancer@4.0.2/dist/dce.js"></script>
<style>
* {
margin: 0;
padding: 0;
}
body {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
overflow: hidden;
width: 100vw;
height: 90vh;
color: #455a64;
}
h1 {
font-size: 1.5em;
}
.controler {
display: flex;
flex-direction: row;
align-items: center;
justify-content: center;
}
.selector {
margin: 10px;
}
/* Small devices */
@media only screen and (max-width: 545px) {
.controler {
flex-direction: column;
}
}
.selector_switch {
position: relative;
width: 250px;
height: 30px;
border: 1px solid #ccc;
border-radius: 5px;
line-height: 30px;
cursor: pointer;
transition: all 200ms;
}
.selector_switch:hover {
border: 1px solid #b4b4b4;
}
.selector_input {
position: absolute;
left: 0;
width: 100%;
height: 30px;
margin: 0;
padding: 0 30px 0 15px;
box-sizing: border-box;
border: none;
outline: none;
cursor: pointer;
border-radius: 5px;
color: #606266;
}
.selector_switch svg {
height: 30px;
position: absolute;
right: 5px;
}
.arrow {
transform: rotate(0deg);
transition: all 200ms;
}
.trans {
transform: rotate(-180deg);
}
.options {
position: absolute;
width: 250px;
max-height: 0;
margin: 3px 0 10px 0;
transition: max-height 200ms;
overflow: hidden;
border-radius: 5px;
overflow: auto;
z-index: 2000;
background-color: #fff;
}
.show {
border: 1px solid #e4e7ed;
box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
max-height: 200px;
}
.unshow {
border: none;
box-shadow: none;
}
.noheight {
max-height: 0;
}
ul {
list-style: none;
margin: 5px auto;
padding: 0;
}
ul li {
height: 30px;
line-height: 30px;
text-align: left;
cursor: pointer;
color: #606266;
font-family: Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB,
Microsoft YaHei, SimSun, sans-serif;
font-size: 14px;
}
ul li:hover {
background-color: #f5f7fa;
}
.selected {
color: #fe8e14;
font-weight: bold;
}
ul li span {
display: inline-block;
width: 100%;
height: 30px;
box-sizing: border-box;
padding: 0 20px;
}
.latest-result {
display: block;
margin: 0;
padding: 0.4rem 0.8rem;
color: inherit;
min-width: 40vw;
width: auto;
border: none;
font-size: 1rem;
border-radius: 0.2rem;
text-align: center;
}
.latest-result::placeholder {
color: #b0bec5;
}
.latest-result:focus {
outline: none;
box-shadow: 0.1rem 0.4rem 0.8rem #fe8e14;
}
@keyframes dce-scanlight {
from {
top: 0;
}
to {
top: 97%;
}
}
</style>
</head>
<body>
<h1>Customized UI</h1>
<div class="controler">
<div class="selector">
<div id="cam_selector_switch" class="selector_switch">
<input
id="selector_input_camera"
class="selector_input"
type="text"
readonly
autocomplete="off"
placeholder="Select"
/>
<svg
id="arrow_camera"
class="arrow"
viewBox="0 0 1024 1024"
p-id="3019"
width="13"
height="13"
>
<path
d="M517.688889 796.444444c-45.511111 0-85.333333-17.066667-119.466667-51.2L73.955556 381.155556c-22.755556-22.755556-17.066667-56.888889 5.688888-79.644445 22.755556-22.755556 56.888889-17.066667 79.644445 5.688889l329.955555 364.088889c5.688889 5.688889 17.066667 11.377778 28.444445 11.377778s22.755556-5.688889 34.133333-17.066667l312.888889-364.088889c22.755556-22.755556 56.888889-28.444444 79.644445-5.688889 22.755556 22.755556 28.444444 56.888889 5.688888 79.644445L637.155556 739.555556c-28.444444 39.822222-68.266667 56.888889-119.466667 56.888888 5.688889 0 0 0 0 0z"
p-id="3020"
fill="#cccccc"
></path>
</svg>
</div>
<div id="options_camera" class="options unshow noheight">
<ul id="ul_options_camera"></ul>
</div>
</div>
<div class="selector">
<div id="res_selector_switch" class="selector_switch">
<input
id="selector_input_resolution"
class="selector_input"
type="text"
readonly
autocomplete="off"
placeholder="Select"
/>
<svg
id="arrow_resolution"
class="arrow"
viewBox="0 0 1024 1024"
p-id="3019"
width="13"
height="13"
>
<path
d="M517.688889 796.444444c-45.511111 0-85.333333-17.066667-119.466667-51.2L73.955556 381.155556c-22.755556-22.755556-17.066667-56.888889 5.688888-79.644445 22.755556-22.755556 56.888889-17.066667 79.644445 5.688889l329.955555 364.088889c5.688889 5.688889 17.066667 11.377778 28.444445 11.377778s22.755556-5.688889 34.133333-17.066667l312.888889-364.088889c22.755556-22.755556 56.888889-28.444444 79.644445-5.688889 22.755556 22.755556 28.444444 56.888889 5.688888 79.644445L637.155556 739.555556c-28.444444 39.822222-68.266667 56.888889-119.466667 56.888888 5.688889 0 0 0 0 0z"
p-id="3020"
fill="#cccccc"
></path>
</svg>
</div>
<div id="options_resolution" class="options unshow noheight">
<ul id="ul_options_resolution">
<li id="gotResolution"><span></span></li>
<li><span id="1920x1080">ask 1920 x 1080</span></li>
<li><span id="1280x720">ask 1280 x 720</span></li>
<li><span id="640x480">ask 640 x 480</span></li>
</ul>
</div>
</div>
</div>
<div
id="div-ui-container"
style="
position: relative;
margin: 2vmin auto;
width: 80vw;
height: 60vh;
max-width: 600px;
"
>
<div
class="dce-video-container"
style="position: absolute; left: 0; top: 0; width: 100%; height: 100%"
></div>
<div
class="dce-scanarea"
style="
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
overflow: hidden;
"
>
<div
id="dce-scanlight"
class="dce-scanlight"
hidden
style="
width: 100%;
display: none;
height: 70px;
position: absolute;
animation: 3s infinite dce-scanlight;
background-image: linear-gradient(#ffffff00, #ffb668);
border-bottom: 2px solid #ff8400;
user-select: none;
"
></div>
</div>
<div
id="dce-mask"
style="
width: 100%;
height: 100%;
position: absolute;
top: -10px;
left: -10px;
padding: 10px;
"
>
<div
class="dce-corner"
style="
position: absolute;
width: 50px;
height: 50px;
top: 0;
left: 0;
border-left: 3px solid #fe8e14;
border-top: 3px solid #fe8e14;
"
></div>
<div
class="dce-corner"
style="
position: absolute;
width: 50px;
height: 50px;
top: 0;
right: 0;
border-right: 3px solid #fe8e14;
border-top: 3px solid #fe8e14;
"
></div>
<div
class="dce-corner"
style="
position: absolute;
width: 50px;
height: 50px;
left: 0;
bottom: 0;
border-left: 3px solid #fe8e14;
border-bottom: 3px solid #fe8e14;
"
></div>
<div
class="dce-corner"
style="
position: absolute;
width: 50px;
height: 50px;
bottom: 0;
right: 0;
border-right: 3px solid #fe8e14;
border-bottom: 3px solid #fe8e14;
"
></div>
</div>
</div>
<script>
const uiContainer = document.querySelector("#div-ui-container");
const init = async () => {
// Create 'CameraView' instance and set 'uiContainer' as its UI.
const cameraView = await Dynamsoft.DCE.CameraView.createInstance(
uiContainer
);
// Make scan laser visible.
cameraView.setScanLaserVisible(true);
// Create 'CameraEnhancer' instance and pass 'cameraView' to it for UI control.
const cameraEnhancer =
await Dynamsoft.DCE.CameraEnhancer.createInstance(cameraView);
// Add event handlers to 'cameraChange' and 'resolutionChange'.
cameraEnhancer.on("cameraChange", (deviceId, previousDeviceId) => {
document
.querySelectorAll("#ul_options_camera span")
.forEach((span) => {
if (span.id === deviceId) {
document.getElementById("selector_input_camera").value =
span.textContent;
span.classList.add("selected");
} else {
span.classList.remove("selected");
}
});
});
cameraEnhancer.on(
"resolutionChange",
(resolution, previousResolution) => {
const gotResolution = document.querySelector("#gotResolution span");
gotResolution.textContent =
"got " + resolution.width + " x " + resolution.height;
gotResolution.id = resolution.width + "x" + resolution.height;
document.getElementById("selector_input_resolution").value =
gotResolution.textContent;
}
);
await cameraEnhancer.open();
renderCameraSelector();
renderResolutionSelector();
return { cameraView, cameraEnhancer };
};
let pInit = init();
const camOptions = document.getElementById("options_camera");
const resOptions = document.getElementById("options_resolution");
// timer for animation
let animateTimer = null;
// add the click event to the selector
document
.getElementById("cam_selector_switch")
.addEventListener("click", () => {
toggleOptionsView("camera");
});
document
.getElementById("res_selector_switch")
.addEventListener("click", () => {
toggleOptionsView("resolution");
});
// camera selector renderer
async function renderCameraSelector() {
const { cameraEnhancer } = await pInit;
const cameras = await cameraEnhancer.getAllCameras();
const currentCamera = cameraEnhancer.getSelectedCamera();
const optionsUl = document.getElementById("ul_options_camera");
optionsUl.innerHTML = "";
const camOptionSelected = async (e) => {
await cameraEnhancer.selectCamera(e.target.id);
};
cameras.forEach((camera) => {
let li = document.createElement("li");
let span = document.createElement("span");
span.addEventListener("click", camOptionSelected);
span.setAttribute("id", camera.deviceId);
span.textContent = camera.label;
if (camera.deviceId === currentCamera.deviceId) {
document.getElementById("selector_input_camera").value =
camera.label;
span.classList.add("selected");
}
li.appendChild(span);
optionsUl.appendChild(li);
});
}
// resolution selector renderer
async function renderResolutionSelector() {
const { cameraEnhancer } = await pInit;
const currentResolution = cameraEnhancer.getResolution();
const gotResolution = document.querySelector("#gotResolution span");
gotResolution.textContent =
"got " + currentResolution.width + " x " + currentResolution.height;
gotResolution.id =
currentResolution.width + "x" + currentResolution.height;
gotResolution.classList.add("selected");
document.getElementById("selector_input_resolution").value =
gotResolution.textContent;
const resOptionSelected = async (e) => {
const data = e.target.id.split("x");
await cameraEnhancer.setResolution({
width: parseInt(data[0]),
height: parseInt(data[1]),
});
};
const options = document.querySelectorAll(
"#ul_options_resolution span"
);
for (let option of options) {
option.addEventListener("click", resOptionSelected);
}
}
// when the selector is clicked
function toggleOptionsView(selectorType) {
const arrowId =
selectorType === "camera" ? "arrow_camera" : "arrow_resolution";
const options = selectorType === "camera" ? camOptions : resOptions;
// expanding and collapsing control options by changing the classList
clearTimeout(animateTimer);
options.classList.toggle("noheight");
document.getElementById(arrowId).classList.toggle("trans");
const hidden = options.classList.value.search("unshow");
if (hidden !== -1) {
options.classList.replace("unshow", "show");
document.addEventListener("click", clickToHiddenOptions);
} else {
// remove styles such as shadows after the transition ends
animateTimer = setTimeout(() => {
options.classList.replace("show", "unshow");
}, 200);
}
}
// click anywhere outside the options to collapse the options
function clickToHiddenOptions(e) {
const camViewable = camOptions.classList.value.search("unshow");
const resViewable = resOptions.classList.value.search("unshow");
if (
camViewable === -1 &&
e.target.id != "selector_input_camera" &&
e.target.id != "arrow_camera" &&
e.target.parentNode.id != "arrow_camera"
) {
toggleOptionsView("camera");
}
if (
resViewable === -1 &&
e.target.id != "selector_input_resolution" &&
e.target.id != "arrow_resolution" &&
e.target.parentNode.id != "arrow_resolution"
) {
toggleOptionsView("resolution");
}
if (camViewable !== -1 && resViewable !== -1) {
// trigger only once
document.removeEventListener("click", arguments.callee);
}
}
</script>
</body>
</html>