vpnbi.github.io/pic.html at main · vpnbi/vpnbi.github.io · GitHub

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<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>名字图片生成器</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <style>
        .preview-container {
            width: 300px;
            height: 300px;
            position: relative;
            cursor: pointer;
        }
        .preview-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: white;
            font-weight: bold;
            text-align: center;
            width: 80%;
        }
    </style>
</head>
<body class="bg-gray-100 min-h-screen">
    <div class="container mx-auto px-4 py-8">
        <h1 class="text-3xl font-bold text-center mb-8">名字图片生成器</h1>

        <div class="max-w-4xl mx-auto bg-white rounded-lg shadow-lg p-6">
            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                <!-- 左侧控制面板 -->
                <div class="space-y-4">
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">文字内容</label>
                        <input type="text" id="nameInput" placeholder="请输入要显示的文字"
                               class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500">
                    </div>

                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">背景颜色</label>
                        <div class="flex space-x-2">
                            <input type="color" id="bgColorPicker"
                                   class="h-10 w-20 border border-gray-300 rounded cursor-pointer">
                            <input type="text" id="hexColorInput" placeholder="#000000"
                                   class="flex-1 px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500">
                        </div>
                    </div>

                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">圆角弧度</label>
                        <input type="range" id="radiusInput" min="0" max="150" value="60"
                               class="w-full">
                        <div class="text-sm text-gray-500 mt-1">当前值：<span id="radiusValue">60</span></div>
                    </div>

                    <div class="grid grid-cols-1 gap-2">
                        <button onclick="updatePreview('normal')" class="inline-flex justify-center items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 transition-all duration-200">
                            预览普通图片
                        </button>
                        <button onclick="updatePreview('circle')" class="inline-flex justify-center items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-purple-600 hover:bg-purple-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-purple-500 transition-all duration-200">
                            预览圆形图片
                        </button>
                        <button onclick="updatePreview('rounded')" class="inline-flex justify-center items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-pink-600 hover:bg-pink-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-pink-500 transition-all duration-200">
                            预览圆角图片
                        </button>
                    </div>

                    <div class="grid grid-cols-1 gap-2 mt-4">
                        <button onclick="downloadImage('normal')" class="inline-flex justify-center items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-green-600 hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500 transition-all duration-200">
                            下载普通图片
                        </button>
                        <button onclick="downloadImage('circle')" class="inline-flex justify-center items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-teal-600 hover:bg-teal-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-teal-500 transition-all duration-200">
                            下载圆形图片
                        </button>
                        <button onclick="downloadImage('rounded')" class="inline-flex justify-center items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-cyan-600 hover:bg-cyan-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-cyan-500 transition-all duration-200">
                            下载圆角图片
                        </button>
                    </div>
                </div>

                <!-- 右侧预览区域 -->
                <div class="flex items-center justify-center">
                    <div id="imageContainer" class="preview-container rounded-lg overflow-hidden">
                        <div id="nameText" class="preview-text"></div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <script>
        const nameInput = document.getElementById('nameInput');
        const bgColorPicker = document.getElementById('bgColorPicker');
        const hexColorInput = document.getElementById('hexColorInput');
        const radiusInput = document.getElementById('radiusInput');
        const radiusValue = document.getElementById('radiusValue');
        const imageContainer = document.getElementById('imageContainer');
        const nameText = document.getElementById('nameText');

        let currentPreviewType = 'normal';

        // 生成随机颜色
        function getRandomColor() {
            const letters = '0123456789ABCDEF';
            let color = '#';
            for (let i = 0; i < 6; i++) {
                color += letters[Math.floor(Math.random() * 16)];
            }
            return color;
        }

        function updatePreview(type) {
            currentPreviewType = type;
            const name = nameInput.value || '示例';
            const bgColor = bgColorPicker.value;

            nameText.textContent = name;
            adjustTextSize();

            imageContainer.style.backgroundColor = bgColor;

            if (type === 'circle') {
                imageContainer.style.borderRadius = '50%';
            } else if (type === 'rounded') {
                const radius = radiusInput.value;
                imageContainer.style.borderRadius = `${radius}px`;
            } else {
                imageContainer.style.borderRadius = '0';
            }
        }

        function adjustTextSize() {
            const container = imageContainer;
            const text = nameText;
            text.style.width = '95%';

            let fontSize = 100;
            text.style.fontSize = fontSize + 'px';
            text.style.lineHeight = '1';

            const maxWidth = container.offsetWidth * 0.95;
            const maxHeight = container.offsetHeight * 0.95;

            let minSize = 1;
            let maxSize = fontSize;
            let bestSize = 1;

            while (minSize <= maxSize) {
                fontSize = Math.floor((minSize + maxSize) / 2);
                text.style.fontSize = `${fontSize}px`;

                if (text.offsetWidth <= maxWidth && text.offsetHeight <= maxHeight) {
                    bestSize = fontSize;
                    minSize = fontSize + 1;
                } else {
                    maxSize = fontSize - 1;
                }
            }

            bestSize = Math.floor(bestSize * 0.95);
            text.style.fontSize = `${bestSize}px`;
        }

        function downloadImage(type) {
            // 创建一个更高分辨率的 canvas (2倍大小)
            const scale = 2;
            const canvas = document.createElement('canvas');
            const size = 300 * scale;
            canvas.width = size;
            canvas.height = size;
            const ctx = canvas.getContext('2d');

            // 缩放所有绘制操作
            ctx.scale(scale, scale);

            // 绘制背景
            ctx.fillStyle = bgColorPicker.value;
            if (type === 'circle') {
                ctx.beginPath();
                ctx.arc(150, 150, 150, 0, Math.PI * 2);
                ctx.fill();
            } else if (type === 'rounded') {
                const radius = parseInt(radiusInput.value);
                ctx.beginPath();
                ctx.moveTo(radius, 0);
                ctx.lineTo(300 - radius, 0);
                ctx.quadraticCurveTo(300, 0, 300, radius);
                ctx.lineTo(300, 300 - radius);
                ctx.quadraticCurveTo(300, 300, 300 - radius, 300);
                ctx.lineTo(radius, 300);
                ctx.quadraticCurveTo(0, 300, 0, 300 - radius);
                ctx.lineTo(0, radius);
                ctx.quadraticCurveTo(0, 0, radius, 0);
                ctx.fill();
            } else {
                ctx.fillRect(0, 0, 300, 300);
            }

            // 绘制文本
            const text = nameInput.value || '示例';
            ctx.fillStyle = 'white';
            const fontSize = parseInt(nameText.style.fontSize);
            ctx.font = `bold ${fontSize}px Arial, "Microsoft YaHei", "微软雅黑"`;
            ctx.textAlign = 'center';
            ctx.textBaseline = 'middle';

            // 文本分行处理
            const maxWidth = 300 * 0.9; // 使用未缩放的宽度进行计算
            const lines = [];
            let currentLine = '';
            let currentWidth = 0;

            // 优化的文本分行算法
            for (let char of text) {
                const testLine = currentLine + char;
                const metrics = ctx.measureText(testLine);
                if (metrics.width > maxWidth) {
                    lines.push(currentLine);
                    currentLine = char;
                } else {
                    currentLine = testLine;
                }
            }
            if (currentLine) {
                lines.push(currentLine);
            }

            // 绘制多行文本
            const lineHeight = fontSize * 1.2;
            const totalHeight = lineHeight * lines.length;
            const startY = (300 - totalHeight) / 2 + lineHeight / 2;

            // 应用文本平滑
            ctx.textRendering = 'optimizeLegibility';
            ctx.imageSmoothingEnabled = true;
            ctx.imageSmoothingQuality = 'high';

            lines.forEach((line, index) => {
                ctx.fillText(line, 150, startY + index * lineHeight, maxWidth);
            });

            // 创建下载链接
            const link = document.createElement('a');
            link.download = `${text}_${type}.png`;
            link.href = canvas.toDataURL('image/png', 1.0); // 使用最高质量
            link.click();
        }

        // 点击图片时更换随机颜色
        imageContainer.addEventListener('click', function() {
            const randomColor = getRandomColor();
            bgColorPicker.value = randomColor;
            hexColorInput.value = randomColor;
            updatePreview(currentPreviewType);
        });

        // 其他事件监听器
        nameInput.addEventListener('input', () => updatePreview(currentPreviewType));
        bgColorPicker.addEventListener('input', function() {
            hexColorInput.value = this.value;
            updatePreview(currentPreviewType);
        });
        hexColorInput.addEventListener('input', function() {
            if (/^#[0-9A-F]{6}$/i.test(this.value)) {
                bgColorPicker.value = this.value;
                updatePreview(currentPreviewType);
            }
        });
        radiusInput.addEventListener('input', function() {
            radiusValue.textContent = this.value;
            if (currentPreviewType === 'rounded') {
                updatePreview('rounded');
            }
        });

        // 初始化
        const initialColor = getRandomColor();
        bgColorPicker.value = initialColor;
        hexColorInput.value = initialColor;
        updatePreview('normal');

        // 窗口大小改变时调整文字大小
        window.addEventListener('resize', () => adjustTextSize());
    </script>
</body>
</html>