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Qr Code Reader added intermediate project #1054

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Qr Code Reader added intermediate project #1054

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20 changes: 20 additions & 0 deletions src/app/(category)/javascript/(projects)/Qr-code-reader/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>QR Code Scanner</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<h1>QR Code Scanner</h1>
<div id="reader"></div>
<div id="result">Result will appear here</div>
<button class="button" onclick="startScanner()">Start Scanner</button>
</div>

<script src="https://unpkg.com/html5-qrcode"></script>
<script src="script.js"> </script>
</body>
</html>
32 changes: 32 additions & 0 deletions src/app/(category)/javascript/(projects)/Qr-code-reader/script.js
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let html5QrcodeScanner = null;

function startScanner() {
if (html5QrcodeScanner === null) {
html5QrcodeScanner = new Html5QrcodeScanner(
"reader",
{
fps: 10,
qrbox: {width: 250, height: 250},
aspectRatio: 1.0
}
);

html5QrcodeScanner.render(onScanSuccess, onScanFailure);
}
}

function onScanSuccess(decodedText, decodedResult) {
console.log(`Code matched = ${decodedText}`, decodedResult);
document.getElementById('result').innerHTML =
`<p>Decoded QR Code: <strong>${decodedText}</strong></p>`;

// Optional: Add link if the QR code contains a URL
if (decodedText.startsWith('http')) {
document.getElementById('result').innerHTML +=
`<p><a href="${decodedText}" target="_blank">Open Link</a></p>`;
}
}

function onScanFailure(error) {
// console.warn(`Code scan error = ${error}`);
}
216 changes: 216 additions & 0 deletions src/app/(category)/javascript/(projects)/Qr-code-reader/style.css
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/* Modern Variables */
:root {
--primary-color: #6c63ff;
--secondary-color: #4CAF50;
--accent-color: #ff6b6b;
--background-color: #f8f9fa;
--card-background: #ffffff;
--text-color: #2d3436;
--shadow-color: rgba(108, 99, 255, 0.2);
}

/* Reset and Base Styles */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}

body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
min-height: 100vh;
padding: 20px;
display: flex;
flex-direction: column;
align-items: center;
background: var(--background-color);
background-image:
radial-gradient(circle at 10% 20%, rgba(108, 99, 255, 0.1) 0%, transparent 50%),
radial-gradient(circle at 90% 80%, rgba(76, 175, 80, 0.1) 0%, transparent 50%);
}

/* Container Styles */
.container {
max-width: 800px;
width: 95%;
background: var(--card-background);
padding: 2rem;
border-radius: 20px;
box-shadow: 0 15px 30px var(--shadow-color);
transition: all 0.3s ease;
position: relative;
overflow: hidden;
}

.container::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 5px;
background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* Header Styles */
h1 {
color: var(--primary-color);
text-align: center;
font-size: clamp(1.8rem, 4vw, 2.5rem);
margin-bottom: 2rem;
position: relative;
padding-bottom: 10px;
}

h1::after {
content: '';
position: absolute;
bottom: 0;
left: 50%;
transform: translateX(-50%);
width: 60px;
height: 4px;
background: var(--primary-color);
border-radius: 2px;
}

/* QR Reader Styles */
#reader {
width: 100%;
margin: 2rem 0;
border-radius: 15px;
overflow: hidden;
box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

#reader video {
border-radius: 15px;
}

/* Result Display Styles */
#result {
margin: 1.5rem 0;
padding: 1.5rem;
border: 2px solid var(--shadow-color);
border-radius: 12px;
background: rgba(108, 99, 255, 0.05);
transition: all 0.3s ease;
font-size: 1.1rem;
line-height: 1.6;
}

#result:not(:empty) {
animation: fadeIn 0.5s ease;
}

/* Button Styles */
.button {
background: var(--primary-color);
color: white;
padding: 12px 30px;
border: none;
border-radius: 25px;
cursor: pointer;
font-size: 1.1rem;
font-weight: 600;
transition: all 0.3s ease;
display: block;
margin: 1.5rem auto;
box-shadow: 0 5px 15px var(--shadow-color);
}

.button:hover {
background: var(--secondary-color);
transform: translateY(-2px);
box-shadow: 0 8px 20px var(--shadow-color);
}

.button:active {
transform: translateY(0);
}

/* Link Styles */
a {
color: var(--primary-color);
text-decoration: none;
transition: color 0.3s ease;
}

a:hover {
color: var(--secondary-color);
text-decoration: underline;
}

/* Animations */
@keyframes fadeIn {
from {
opacity: 0;
transform: translateY(10px);
}
to {
opacity: 1;
transform: translateY(0);
}
}

/* Responsive Design */
@media (max-width: 768px) {
body {
padding: 15px;
}

.container {
padding: 1.5rem;
width: 100%;
}

#reader {
margin: 1rem 0;
}

.button {
width: 100%;
padding: 15px;
}
}

/* Loading State */
.loading {
position: relative;
opacity: 0.7;
}

.loading::after {
content: '';
position: absolute;
top: 50%;
left: 50%;
width: 30px;
height: 30px;
border: 3px solid var(--shadow-color);
border-top-color: var(--primary-color);
border-radius: 50%;
animation: spin 1s linear infinite;
}

@keyframes spin {
to {
transform: rotate(360deg);
}
}

/* Success Message Styles */
.success-message {
background: rgba(76, 175, 80, 0.1);
border-color: var(--secondary-color);
color: var(--secondary-color);
font-weight: 500;
}

/* Error Message Styles */
.error-message {
background: rgba(255, 107, 107, 0.1);
border-color: var(--accent-color);
color: var(--accent-color);
font-weight: 500;
}
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