SimpleDiffusers/ImageCompare.html at main · LuXuxue/SimpleDiffusers · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>图片对比工具</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background-color: #111;
            overflow: hidden;
            height: 100vh;
        }

        .comparison-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            background-color: #000;
        }

        .image-wrapper {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        .image-before, .image-after {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .image-before {
            z-index: 1;
            clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
        }

        .slider {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 4px;
            background: white;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            cursor: ew-resize;
        }

        .slider-handle {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .controls {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 10;
            display: flex;
            gap: 10px;
        }

        .btn {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .btn:hover {
            background: rgba(0, 0, 0, 0.8);
        }

        .help-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            z-index: 20;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
        }

        .help-modal.visible {
            opacity: 1;
            visibility: visible;
        }

        .help-content {
            width: 90%;
            max-width: 500px;
            background: #1e1e1e;
            border-radius: 10px;
            padding: 30px;
            color: #ddd;
        }

        .help-content h2 {
            margin-bottom: 20px;
            color: #fff;
        }

        .help-content ul {
            list-style: none;
        }

        .help-content li {
            margin-bottom: 12px;
            padding-left: 10px;
            border-left: 2px solid #3498db;
        }

        .close-help {
            position: absolute;
            top: 15px;
            right: 15px;
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
        }

        .upload-panel {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(30, 30, 30, 0.95);
            border-radius: 10px;
            padding: 30px;
            z-index: 15;
            text-align: center;
            width: 90%;
            max-width: 400px;
        }

        .upload-panel h2 {
            margin-bottom: 20px;
            color: #fff;
        }

        .upload-options {
            display: flex;
            gap: 15px;
            justify-content: center;
        }

        .upload-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            cursor: pointer;
            width: 130px;
        }

        .upload-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .hidden {
            display: none;
        }
    </style>
</head>
<body>
    <div class="comparison-container">
        <div class="image-wrapper">
            <img id="image-before" class="image-before" alt="Before image">
            <img id="image-after" class="image-after" alt="After image">
        </div>
        <div class="slider" id="slider">
            <div class="slider-handle"></div>
        </div>

        <div class="controls">
            <div class="btn" id="upload-left-btn">
                ←
            </div>
            <div class="btn" id="upload-right-btn">
                →
            </div>
            <div class="btn" id="help-btn">
                ?
            </div>
        </div>
    </div>

    <div class="help-modal" id="help-modal">
        <div class="help-content">
            <h2>使用帮助</h2>
            <ul>
                <li>• 点击右上角按钮上传需要对比的图片</li>
                <li>• 拖动中间的滑块左右移动进行对比</li>
                <li>• 左侧显示"←"图片，右侧显示"→"图片</li>
            </ul>
            <button class="close-help" id="close-help">×</button>
        </div>
    </div>

    <div class="upload-panel" id="upload-panel">
        <h2>请上传对比图片</h2>
        <div class="upload-options">
            <div class="upload-btn" id="upload-left-panel">
                <span>左侧图片</span>
            </div>
            <div class="upload-btn" id="upload-right-panel">
                <span>右侧图片</span>
            </div>
        </div>
    </div>

    <input type="file" id="file-left" class="hidden" accept="image/*">
    <input type="file" id="file-right" class="hidden" accept="image/*">

    <script>
        document.addEventListener('DOMContentLoaded', function() {
            // 获取元素
            const fileLeft = document.getElementById('file-left');
            const fileRight = document.getElementById('file-right');
            const uploadLeftBtn = document.getElementById('upload-left-btn');
            const uploadRightBtn = document.getElementById('upload-right-btn');
            const uploadLeftPanel = document.getElementById('upload-left-panel');
            const uploadRightPanel = document.getElementById('upload-right-panel');
            const uploadPanel = document.getElementById('upload-panel');
            const comparisonContainer = document.querySelector('.comparison-container');
            const imageBefore = document.getElementById('image-before');
            const imageAfter = document.getElementById('image-after');
            const slider = document.getElementById('slider');
            const helpBtn = document.getElementById('help-btn');
            const helpModal = document.getElementById('help-modal');
            const closeHelp = document.getElementById('close-help');

            // 状态变量
            let isDragging = false;
            let sliderPosition = 50;

            // 初始化图片加载状态
            let leftImageLoaded = false;
            let rightImageLoaded = false;

            // 设置上传按钮事件
            uploadLeftBtn.addEventListener('click', () => fileLeft.click());
            uploadRightBtn.addEventListener('click', () => fileRight.click());
            uploadLeftPanel.addEventListener('click', () => fileLeft.click());
            uploadRightPanel.addEventListener('click', () => fileRight.click());

            // 文件输入变化
            fileLeft.addEventListener('change', function(e) {
                if (fileLeft.files && fileLeft.files[0]) {
                    loadImage(fileLeft.files[0], 'left');
                }
            });

            fileRight.addEventListener('change', function(e) {
                if (fileRight.files && fileRight.files[0]) {
                    loadImage(fileRight.files[0], 'right');
                }
            });

            // 加载图片
            function loadImage(file, side) {
                const reader = new FileReader();
                reader.onload = function(e) {
                    const img = new Image();
                    img.onload = function() {
                        if (side === 'left') {
                            imageBefore.src = e.target.result;
                            leftImageLoaded = true;
                        } else {
                            imageAfter.src = e.target.result;
                            rightImageLoaded = true;
                        }

                        if (leftImageLoaded && rightImageLoaded) {
                            uploadPanel.classList.add('hidden');
                        }
                    };
                    img.src = e.target.result;
                };
                reader.readAsDataURL(file);
            }

            // 滑块拖动事件
            slider.addEventListener('mousedown', function(e) {
                e.preventDefault();
                isDragging = true;
                document.addEventListener('mousemove', moveSlider);
                document.addEventListener('mouseup', stopSlider);
            });

            function moveSlider(e) {
                if (!isDragging) return;

                const containerRect = comparisonContainer.getBoundingClientRect();
                const newPosition = ((e.clientX - containerRect.left) / containerRect.width) * 100;
                sliderPosition = Math.max(0, Math.min(100, newPosition));

                updateSliderPosition();
            }

            function stopSlider() {
                isDragging = false;
                document.removeEventListener('mousemove', moveSlider);
                document.removeEventListener('mouseup', stopSlider);
            }

            // 更新滑块位置
            function updateSliderPosition() {
                slider.style.left = `${sliderPosition}%`;
                imageBefore.style.clipPath = `polygon(0 0, ${sliderPosition}% 0, ${sliderPosition}% 100%, 0 100%)`;
            }

            // 帮助功能
            helpBtn.addEventListener('click', function() {
                helpModal.classList.add('visible');
            });

            closeHelp.addEventListener('click', function() {
                helpModal.classList.remove('visible');
            });

            // 点击帮助模态框背景关闭
            helpModal.addEventListener('click', function(e) {
                if (e.target === helpModal) {
                    helpModal.classList.remove('visible');
                }
            });
        });
    </script>
</body>
</html>