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fabric.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">
<title>Bootstrap demo</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">
<!-- 加入 AOS CSS -->
<link href="https://cdnjs.cloudflare.com/ajax/libs/aos/2.3.4/aos.css" rel="stylesheet">
</head>
<body>
<nav class="navbar navbar-expand-lg bg-body-tertiary">
<div class="container">
<a class="navbar-brand" href="index.html">
<img src="https://i0.wp.com/tw.alphacamp.co/wp-content/uploads/2022/12/60e827295bbd949f8a41a2ec_5d5b7df8da745a6fcc9a7fe1_5b9110e86e11f7d979b0dc36_javascript.png?fit=785%2C340&ssl=1" alt="Logo" width="30" height="24" class="d-inline-block align-text-top">
JS套件範例說明
</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav me-auto mb-2 mb-lg-0">
<li class="nav-item">
<a class="nav-link " aria-current="page" href="aos.html">AOS動畫</a>
</li>
<li class="nav-item">
<a class="nav-link" href="text-to-speech.html">文字轉語音</a>
</li>
<li class="nav-item">
<a class="nav-link" href="lottie.html">Lottie動畫</a>
</li>
<li class="nav-item">
<a class="nav-link" href="chart.html">chart.js圖表動畫</a>
</li>
<li class="nav-item">
<a class="nav-link" href="lazy-loading.html">圖片惰性加載</a>
</li>
<li class="nav-item">
<a class="nav-link" href="anime.html">Anime.js動畫</a>
</li>
<li class="nav-item">
<a class="nav-link" href="P5.html">P5.js</a>
</li>
<li class="nav-item">
<a class="nav-link active" href="fabric.html">Fabric.js</a>
</li>
<li class="nav-item">
<a class="nav-link" href="fullcalendar.html">FullCalendar</a>
</li>
<li class="nav-item">
<a class="nav-link " href="lightbox.html">Lightbox2</a>
</li>
</ul>
</div>
</div>
</nav>
<div class="container mt-3">
<h1>Fabric.js 互動式畫布套件</h1>
<p>Fabric.js 是一個強大的 JavaScript 畫布處理函式庫，能讓你輕鬆創建和操作互動式的圖形物件。訪問 <a href="http://fabricjs.com/" target="_blank">官方網站</a> 了解更多。</p>
<div class="row mb-5">
<div class="col-md-6">
<div class="card" data-aos="fade-right">
<div class="card-body">
<h5 class="card-title">特色介紹</h5>
<ul class="list-unstyled">
<li>🎨 豐富的繪圖功能</li>
<li>🖱️ 互動式物件操作</li>
<li>📱 支援觸控設備</li>
<li>🔄 SVG 轉換支援</li>
</ul>
</div>
</div>
</div>
<div class="col-md-6">
<div class="card" data-aos="fade-left">
<div class="card-body">
<h5 class="card-title">使用方式</h5>
<p>1. 引入 Fabric.js 函式庫</p>
<p>2. 建立 Canvas 元素</p>
<p>3. 初始化 Fabric 畫布</p>
<p>4. 新增和操作物件</p>
</div>
</div>
</div>
</div>
<div class="mt-5">
<h2 class="mb-4">程式碼範例</h2>
<div class="card" data-aos="fade-up">
<div class="card-body">
<pre><code>
// 初始化 Fabric 畫布
var canvas = new fabric.Canvas('canvas');
// 創建矩形
var rect = new fabric.Rect({
left: 100,
top: 100,
fill: 'red',
width: 50,
height: 50
});
// 創建圓形
var circle = new fabric.Circle({
radius: 30,
fill: 'blue',
left: 200,
top: 100
});
// 將物件加入畫布
canvas.add(rect);
canvas.add(circle);
// 監聽物件修改事件
canvas.on('object:modified', function(e) {
console.log('物件已被修改');
});
</code></pre>
</div>
</div>
</div>
<h2 class="mb-4 mt-5">互動式畫布示範</h2>
<div class="row">
<div class="col-md-8">
<div class="card">
<div class="card-body">
<canvas id="demo-canvas" width="600" height="400" style="border:1px solid #ccc"></canvas>
</div>
<div class="card-footer">
<div class="btn-group">
<button class="btn btn-primary" onclick="addRect()">新增矩形</button>
<button class="btn btn-success" onclick="addCircle()">新增圓形</button>
<button class="btn btn-danger" onclick="deleteSelected()">刪除選中</button>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card">
<div class="card-body">
<h5 class="card-title">操作說明</h5>
<ul class="list-group">
<li class="list-group-item">點擊物件可選取</li>
<li class="list-group-item">拖曳可移動物件</li>
<li class="list-group-item">角落可縮放物件</li>
<li class="list-group-item">上方按鈕可旋轉物件</li>
</ul>
</div>
</div>
</div>
</div>
</div>
<footer class="bg-dark text-light py-4 mt-5">
<div class="container">
<div class="row">
<div class="col-md-6">
<h5>聯絡資訊</h5>
<p><i class="bi bi-envelope"></i> Email: contact@example.com</p>
<p><i class="bi bi-telephone"></i> 電話: (02) 2345-6789</p>
<p><i class="bi bi-geo-alt"></i> 地址: 台北市信義區信義路五段7號</p>
</div>
<div class="col-md-6">
<h5>關注我們</h5>
<div class="social-links">
<a href="#" class="text-light me-3"><i class="bi bi-facebook"></i></a>
<a href="#" class="text-light me-3"><i class="bi bi-twitter"></i></a>
<a href="#" class="text-light me-3"><i class="bi bi-instagram"></i></a>
</div>
</div>
</div>
<hr class="mt-4">
<div class="text-center">
<small>© 2024 JS套件範例說明. All rights reserved.</small>
</div>
</div>
</footer>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-YvpcrYf0tY3lHB60NNkmXc5s9fDVZLESaAA55NDzOxhy9GkcIdslK1eN7N6jIeHz" crossorigin="anonymous"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.css" rel="stylesheet">
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/5.3.1/fabric.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/aos/2.3.4/aos.js"></script>
<script>
AOS.init();
// 初始化 Fabric 畫布
var canvas = new fabric.Canvas('demo-canvas');
// 新增矩形
function addRect() {
var rect = new fabric.Rect({
left: 100,
top: 100,
fill: getRandomColor(),
width: 50,
height: 50
});
canvas.add(rect);
updateLayerDisplay();
}
// 新增圓形
function addCircle() {
var circle = new fabric.Circle({
radius: 30,
fill: getRandomColor(),
left: 200,
top: 100
});
canvas.add(circle);
updateLayerDisplay();
}
// 刪除選中物件
function deleteSelected() {
var activeObject = canvas.getActiveObject();
if (activeObject) {
canvas.remove(activeObject);
updateLayerDisplay();
}
}
// 刪除所有物件
function deleteAll() {
canvas.getObjects().forEach(function(obj) {
canvas.remove(obj);
});
updateLayerDisplay();
}
// 更新圖層顯示
function updateLayerDisplay() {
var layerList = document.getElementById('layer-list');
layerList.innerHTML = '';
canvas.getObjects().forEach(function(obj, index) {
var li = document.createElement('li');
li.className = 'list-group-item d-flex justify-content-between align-items-center';
li.innerHTML = `圖層 ${index + 1}: ${obj.type}
<button class="btn btn-sm btn-danger" onclick="deleteLayer(${index})">刪除</button>`;
layerList.appendChild(li);
});
}
// 刪除指定圖層
function deleteLayer(index) {
var objects = canvas.getObjects();
if (objects[index]) {
canvas.remove(objects[index]);
updateLayerDisplay();
}
}
// 生成隨機顏色
function getRandomColor() {
var letters = '0123456789ABCDEF';
var color = '#';
for (var i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
return color;
}
</script>
</body>
</html>