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提取页面中的所有 SVG，提供预览并选择下载 SVG 或 PNG（PNG 尺寸根据 SVG 长宽比例调整），增加预览区关闭功能，支持外部 SVG 文件（需服务器配置支持），特别处理 GlyphWiki 的 SVG 移除网格和矩形边界
当前为
// ==UserScript==
// @name SVG Extractor with Preview and Download (GlyphWiki Special)
// @license MIT
// @namespace http://tampermonkey.net/
// @version 1.8
// @description 提取页面中的所有 SVG，提供预览并选择下载 SVG 或 PNG（PNG 尺寸根据 SVG 长宽比例调整），增加预览区关闭功能，支持外部 SVG 文件（需服务器配置支持），特别处理 GlyphWiki 的 SVG 移除网格和矩形边界
// @author 般若
// @match *://*/*
// @grant none
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/3.7.1/jszip.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js
// ==/UserScript==
(function() {
'use strict';
// 创建预览容器
const previewContainer = document.createElement('div');
previewContainer.style.position = 'fixed';
previewContainer.style.bottom = '20px';
previewContainer.style.right = '20px';
previewContainer.style.zIndex = '10000';
previewContainer.style.backgroundColor = 'white';
previewContainer.style.padding = '10px';
previewContainer.style.border = '1px solid #ccc';
previewContainer.style.borderRadius = '5px';
previewContainer.style.boxShadow = '0 0 10px rgba(0, 0, 0, 0.1)';
previewContainer.style.maxHeight = '80vh';
previewContainer.style.overflowY = 'auto';
document.body.appendChild(previewContainer);
// 创建关闭按钮
const closeButton = document.createElement('button');
closeButton.innerText = '×';
closeButton.style.position = 'absolute';
closeButton.style.top = '5px';
closeButton.style.right = '5px';
closeButton.style.backgroundColor = 'transparent';
closeButton.style.border = 'none';
closeButton.style.fontSize = '16px';
closeButton.style.cursor = 'pointer';
closeButton.addEventListener('click', () => {
previewContainer.style.display = 'none';
});
previewContainer.appendChild(closeButton);
// 创建提取按钮
const extractButton = document.createElement('button');
extractButton.innerText = '提取 SVG';
extractButton.style.position = 'fixed';
extractButton.style.bottom = '20px';
extractButton.style.left = '20px';
extractButton.style.zIndex = '10000';
extractButton.style.padding = '10px';
extractButton.style.backgroundColor = '#007bff';
extractButton.style.color = 'white';
extractButton.style.border = 'none';
extractButton.style.borderRadius = '5px';
extractButton.style.cursor = 'pointer';
document.body.appendChild(extractButton);
// 创建关闭预览区按钮
const closePreviewButton = document.createElement('button');
closePreviewButton.innerText = '关闭预览区';
closePreviewButton.style.position = 'fixed';
closePreviewButton.style.bottom = '60px';
closePreviewButton.style.left = '20px';
closePreviewButton.style.zIndex = '10000';
closePreviewButton.style.padding = '10px';
closePreviewButton.style.backgroundColor = '#dc3545';
closePreviewButton.style.color = 'white';
closePreviewButton.style.border = 'none';
closePreviewButton.style.borderRadius = '5px';
closePreviewButton.style.cursor = 'pointer';
closePreviewButton.addEventListener('click', () => {
previewContainer.style.display = 'none';
});
document.body.appendChild(closePreviewButton);
// 移除 GlyphWiki SVG 的网格和矩形边界
function removeGlyphWikiBackground(svg) {
if (window.location.hostname === 'glyphwiki.org') {
const rects = svg.querySelectorAll('rect.glyph-boundary, rect.glyph-guide');
rects.forEach(rect => rect.remove());
const gridLines = svg.querySelectorAll('g.grid-lines');
gridLines.forEach(grid => grid.remove());
// 修改 viewBox
svg.setAttribute('viewBox', '-20 -20 240 240');
}
}
// 加载外部 SVG 文件并将其转换为内联 SVG
async function loadAndInlineExternalSVGs() {
const imgElements = Array.from(document.querySelectorAll('img[src$=".svg"]'));
for (const img of imgElements) {
try {
const response = await fetch(img.src);
const svgText = await response.text();
const parser = new DOMParser();
const svgDoc = parser.parseFromString(svgText, 'image/svg+xml');
const svgElement = svgDoc.querySelector('svg');
if (svgElement) {
img.replaceWith(svgElement);
removeGlyphWikiBackground(svgElement); // 移除 GlyphWiki 背景
}
} catch (error) {
console.error('Failed to load and inline SVG:', error);
}
}
}
// 提取页面中的所有 SVG 元素
function extractSVGs() {
const svgs = Array.from(document.querySelectorAll('svg')).map((svg, index) => {
removeGlyphWikiBackground(svg); // 移除 GlyphWiki 背景
const serializer = new XMLSerializer();
const svgString = serializer.serializeToString(svg);
const blob = new Blob([svgString], { type: 'image/svg+xml' });
const url = URL.createObjectURL(blob);
return { url, name: `svg-${index + 1}.svg`, element: svg };
});
// 特别处理字统网动态更新的 SVG
const dynamicSvgs = Array.from(document.querySelectorAll('svg[id="zusvgimgkage"], svg[style*="position:absolute;left:0;top:0;"]')).map((svg, index) => {
const serializer = new XMLSerializer();
const svgString = serializer.serializeToString(svg);
const blob = new Blob([svgString], { type: 'image/svg+xml' });
const url = URL.createObjectURL(blob);
return { url, name: `dynamic-svg-${index + 1}.svg`, element: svg };
});
return svgs.concat(dynamicSvgs);
}
// 显示 SVG 预览
function showSVGPreviews(svgs) {
previewContainer.innerHTML = '<h3 style="margin: 0 0 10px;">SVG 预览</h3>';
previewContainer.appendChild(closeButton); // 重新添加关闭按钮
svgs.forEach((svg, index) => {
const previewItem = document.createElement('div');
previewItem.style.marginBottom = '10px';
previewItem.style.borderBottom = '1px solid #eee';
previewItem.style.paddingBottom = '10px';
// 显示 SVG 预览
const previewImage = document.createElement('img');
previewImage.src = svg.url;
previewImage.style.maxWidth = '200px';
previewImage.style.maxHeight = '100px';
previewImage.style.display = 'block';
previewImage.style.marginBottom = '5px';
previewItem.appendChild(previewImage);
// 下载 SVG 按钮
const downloadSvgButton = document.createElement('button');
downloadSvgButton.innerText = '下载 SVG';
downloadSvgButton.style.marginRight = '5px';
downloadSvgButton.style.padding = '5px 10px';
downloadSvgButton.style.backgroundColor = '#28a745';
downloadSvgButton.style.color = 'white';
downloadSvgButton.style.border = 'none';
downloadSvgButton.style.borderRadius = '5px';
downloadSvgButton.style.cursor = 'pointer';
downloadSvgButton.addEventListener('click', () => {
const link = document.createElement('a');
link.href = svg.url;
link.download = svg.name;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
URL.revokeObjectURL(svg.url);
});
previewItem.appendChild(downloadSvgButton);
// 下载 PNG 按钮（透明背景）
const downloadPngTransparentButton = document.createElement('button');
downloadPngTransparentButton.innerText = '下载 PNG (透明)';
downloadPngTransparentButton.style.marginRight = '5px';
downloadPngTransparentButton.style.padding = '5px 10px';
downloadPngTransparentButton.style.backgroundColor = '#17a2b8';
downloadPngTransparentButton.style.color = 'white';
downloadPngTransparentButton.style.border = 'none';
downloadPngTransparentButton.style.borderRadius = '5px';
downloadPngTransparentButton.style.cursor = 'pointer';
downloadPngTransparentButton.addEventListener('click', () => {
downloadPNG(svg, index, false);
});
previewItem.appendChild(downloadPngTransparentButton);
// 下载 PNG 按钮（白色背景）
const downloadPngWhiteButton = document.createElement('button');
downloadPngWhiteButton.innerText = '下载 PNG (白色背景)';
downloadPngWhiteButton.style.padding = '5px 10px';
downloadPngWhiteButton.style.backgroundColor = '#ffc107';
downloadPngWhiteButton.style.color = 'black';
downloadPngWhiteButton.style.border = 'none';
downloadPngWhiteButton.style.borderRadius = '5px';
downloadPngWhiteButton.style.cursor = 'pointer';
downloadPngWhiteButton.addEventListener('click', () => {
downloadPNG(svg, index, true);
});
previewItem.appendChild(downloadPngWhiteButton);
previewContainer.appendChild(previewItem);
});
}
// 下载 PNG 函数
function downloadPNG(svg, index, isWhiteBackground) {
const img = new Image();
img.src = svg.url;
img.onload = () => {
const canvas = document.createElement('canvas');
const svgElement = svg.element;
// 获取 SVG 的实际尺寸
const svgWidth = svgElement.width.baseVal.value || svgElement.getBoundingClientRect().width;
const svgHeight = svgElement.height.baseVal.value || svgElement.getBoundingClientRect().height;
// 如果 SVG 的长宽不相等，则 PNG 尺寸为原 SVG 的 4 倍长 x 4 倍宽
if (svgWidth !== svgHeight) {
canvas.width = svgWidth * 4;
canvas.height = svgHeight * 4;
} else {
canvas.width = 500;
canvas.height = 500;
}
const ctx = canvas.getContext('2d');
// 如果选择白色背景，填充白色
if (isWhiteBackground) {
ctx.fillStyle = 'white';
ctx.fillRect(0, 0, canvas.width, canvas.height);
}
// 计算缩放比例
const scale = Math.min(canvas.width / svgWidth, canvas.height / svgHeight);
const scaledWidth = svgWidth * scale;
const scaledHeight = svgHeight * scale;
// 居中绘制
const offsetX = (canvas.width - scaledWidth) / 2;
const offsetY = (canvas.height - scaledHeight) / 2;
ctx.drawImage(img, offsetX, offsetY, scaledWidth, scaledHeight);
canvas.toBlob(blob => {
const url = URL.createObjectURL(blob);
const link = document.createElement('a');
link.href = url;
link.download = `png-${index + 1}-${isWhiteBackground ? 'white' : 'transparent'}.png`;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
URL.revokeObjectURL(url);
}, 'image/png');
};
}
// 点击按钮提取并显示 SVG 预览
extractButton.addEventListener('click', async () => {
await loadAndInlineExternalSVGs(); // 加载并内联外部 SVG
const svgs = extractSVGs();
if (svgs.length > 0) {
previewContainer.style.display = 'block'; // 显示预览区
showSVGPreviews(svgs);
} else {
previewContainer.innerHTML = '<p>未找到 SVG 元素。</p>';
}
});
})();