<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Rust WASM 图像处理器</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #1a2a6c, #2c3e50);
            color: #f5f5f5;
            min-height: 100vh;
            padding: 30px 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .app-container {
            width: 100%;
            max-width: 1400px;
        }

        header {
            text-align: center;
            margin-bottom: 30px;
            padding: 20px;
            animation: fadeIn 1s ease-out;
        }

        h1 {
            font-size: 2.8rem;
            margin-bottom: 10px;
            background: linear-gradient(to right, #00c9ff, #92fe9d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .subtitle {
            font-size: 1.2rem;
            color: #a0d2eb;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .input-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            margin-bottom: 30px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .url-input-group {
            display: flex;
            margin-bottom: 20px;
            gap: 10px;
        }

        #imageUrl {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 12px;
            background: rgba(0, 0, 0, 0.25);
            color: white;
            font-size: 1rem;
            outline: none;
            box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
        }

        #imageUrl:focus {
            background: rgba(0, 0, 0, 0.4);
            box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3), 0 0 0 2px #00c9ff;
        }

        #imageUrl::placeholder {
            color: #aaa;
        }

        .filters {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 25px;
        }

        .filter-option {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            padding: 10px 15px;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.2s ease;
            user-select: none;
        }

        .filter-option:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }

        .filter-option.active {
            background: rgba(0, 201, 255, 0.2);
            box-shadow: 0 0 0 2px #00c9ff;
        }

        .filter-option input {
            width: 18px;
            height: 18px;
            cursor: pointer;
        }

        .process-btn {
            background: linear-gradient(45deg, #00c9ff, #00ff95);
            color: #0a192f;
            border: none;
            padding: 15px 30px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            width: 100%;
            box-shadow: 0 5px 15px rgba(0, 201, 255, 0.4);
        }

        .process-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 201, 255, 0.6);
        }

        .process-btn:active {
            transform: translateY(0);
        }

        .images-container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .image-box {
            flex: 1;
            min-width: 300px;
            max-width: 600px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform 0.3s ease;
        }

        .image-box:hover {
            transform: translateY(-5px);
        }

        .image-header {
            padding: 20px;
            text-align: center;
            background: rgba(0, 0, 0, 0.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .image-content {
            padding: 20px;
            display: flex;
            justify-content: center;
        }

        .image-content img {
            max-width: 100%;
            max-height: 400px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            object-fit: contain;
        }

        .tech-badge {
            margin-top: 30px;
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .badge {
            background: rgba(0, 0, 0, 0.3);
            padding: 8px 20px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
        }

        .rust-badge {
            background: linear-gradient(45deg, #b7410e, #e57200);
        }

        .wasm-badge {
            background: linear-gradient(45deg, #654ff0, #00c9ff);
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 768px) {
            .url-input-group {
                flex-direction: column;
            }

            .images-container {
                flex-direction: column;
                align-items: center;
            }

            .image-box {
                width: 100%;
            }

            h1 {
                font-size: 2.2rem;
            }
        }

        .loading {
            display: none;
            text-align: center;
            padding: 20px;
        }

        .spinner {
            width: 50px;
            height: 50px;
            border: 5px solid rgba(255, 255, 255, 0.1);
            border-top: 5px solid #00c9ff;
            border-radius: 50%;
            margin: 20px auto;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }
    </style>
</head>
<body>
<div class="app-container">
    <header>
        <h1><i class="fas fa-camera-retro"></i> Rust WASM 图像处理器</h1>
        <p class="subtitle">
            使用WebAssembly技术实现的浏览器端高性能图像处理工具。输入图片URL，选择处理效果，实时查看处理前后的图像对比。</p>
    </header>

    <div class="input-panel">
        <div class="url-input-group">
            <input type="text" id="imageUrl"
                   placeholder="输入图片URL (支持 JPEG/PNG)"
                   style="width: 100%;">
        </div>

        <div class="filters">
            <label class="filter-option" id="grayscaleOption">
                <input type="checkbox" id="isGrayscale">
                灰度效果
            </label>
            <label class="filter-option" id="invertOption">
                <input type="checkbox" id="isInvert">
                颜色反转
            </label>
            <label class="filter-option" id="sepiaOption">
                <input type="checkbox" id="isSepia">
                复古棕褐色
            </label>
        </div>

        <button class="process-btn" onclick="processImage()">
            <i class="fas fa-magic"></i> 处理图片
        </button>
    </div>

    <div class="loading" id="loading">
        <div class="spinner"></div>
        <p>正在处理图像，请稍候...</p>
    </div>

    <div class="images-container">
        <div class="image-box">
            <div class="image-header">
                <h3><i class="fas fa-image"></i> 原始图片</h3>
            </div>
            <div class="image-content">
                <img id="original" crossorigin="anonymous" alt="原始图片">
            </div>
        </div>

        <div class="image-box">
            <div class="image-header">
                <h3><i class="fas fa-wand-magic-sparkles"></i> 处理结果</h3>
            </div>
            <div class="image-content">
                <img id="processed" alt="处理结果">
            </div>
        </div>
    </div>

    <div class="tech-badge">
        <div class="badge rust-badge">
            <i class="fab fa-rust"></i> Rust
        </div>
        <div class="badge wasm-badge">
            <i class="fas fa-cube"></i> WebAssembly
        </div>
        <div class="badge">
            <i class="fas fa-bolt"></i> 高性能图像处理
        </div>
    </div>
</div>

<script>
    const worker = new Worker('worker.js', {
        type: 'module'
    });
    const originalImg = document.getElementById('original');
    const processedImg = document.getElementById('processed');
    const urlInput = document.getElementById('imageUrl');
    const isGrayscale = document.getElementById('isGrayscale');
    const isInvert = document.getElementById('isInvert');
    const isSepia = document.getElementById('isSepia');
    const loading = document.getElementById('loading');

    const grayscaleOption = document.getElementById('grayscaleOption');
    const invertOption = document.getElementById('invertOption');
    const sepiaOption = document.getElementById('sepiaOption');

    // 实时预览原始图片
    urlInput.addEventListener('input', function () {
        originalImg.src = this.value;
    });


    // 添加复选框交互效果
    grayscaleOption.addEventListener('click', function () {

        updateOptionStyle();
    });

    invertOption.addEventListener('click', function () {

        updateOptionStyle();
    });

    sepiaOption.addEventListener('click', function () {

        updateOptionStyle();
    });

    function updateOptionStyle() {
        grayscaleOption.classList.toggle('active', isGrayscale.checked);
        invertOption.classList.toggle('active', isInvert.checked);
        sepiaOption.classList.toggle('active', isSepia.checked);
    }

    async function processImage() {
        const url = urlInput.value;
        if (!url) return alert('请输入图片URL');

        // 显示加载状态
        loading.style.display = 'block';

        worker.postMessage({
            type: 'process_image',
            url: url,
            options: {
                grayscale: isGrayscale.checked,
                invert: isInvert.checked,
                sepia: isSepia.checked
            }
        });
    }

    // 处理结果回调
    worker.onmessage = (e) => {
        loading.style.display = 'none';

        if (e.data.type === 'processed_image') {
            const blob = new Blob([e.data.buffer], {type: e.data.mime});
            processedImg.src = URL.createObjectURL(blob);
        } else if (e.data.type === 'error') {
            alert('处理失败: ' + e.data.message);
        }
    };
    console.log(window)
    // 初始加载示例图片
    window.addEventListener('DOMContentLoaded', function () {
        console.log(urlInput)
        urlInput.value = 'https://gips0.baidu.com/it/u=3602773692,1512483864&fm=3028&app=3028&f=JPEG&fmt=auto?w=960&h=1280';
        urlInput.dispatchEvent(new Event('input'));
    });
</script>
</body>
</html>