Fast shot html element
// ==UserScript== // @name WebShot // @namespace http://tampermonkey.net/ // @version 2025-01-20 // @description Fast shot html element // @author cxykevin // @icon https://www.google.com/s2/favicons?sz=64&domain=0.1 // @match *://*/* // @grant GM_registerMenuCommand // @grant GM_unregisterMenuCommand // @grant GM_setValue // @grant GM_getValue // @noframes true // ==/UserScript== // import htmlToImage from 'https://cdn.jsdelivr.net/npm/[email protected]/+esm' var htmltoimage_tmpl = '!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).htmlToImage={})}(this,(function(t){"use strict";function e(t,e,n,r){return new(n||(n=Promise))((function(i,o){function u(t){try{a(r.next(t))}catch(t){o(t)}}function c(t){try{a(r.throw(t))}catch(t){o(t)}}function a(t){var e;t.done?i(t.value):(e=t.value,e instanceof n?e:new 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u=n.sent(),s=document.createElement("canvas"),f=s.getContext("2d"),h=r.pixelRatio||function(){var t,e;try{e=process}catch(t){}var n=e&&e.env?e.env.devicePixelRatio:null;return n&&(t=parseInt(n,10),Number.isNaN(t)&&(t=1)),t||window.devicePixelRatio||1}(),d=r.canvasWidth||i,v=r.canvasHeight||o,s.width=d*h,s.height=v*h,r.skipAutoScale||function(t){(t.width>a||t.height>a)&&(t.width>a&&t.height>a?t.width>t.height?(t.height*=a/t.width,t.width=a):(t.width*=a/t.height,t.height=a):t.width>a?(t.height*=a/t.width,t.width=a):(t.width*=a/t.height,t.height=a))}(s),s.style.width="".concat(d),s.style.height="".concat(v),r.backgroundColor&&(f.fillStyle=r.backgroundColor,f.fillRect(0,0,s.width,s.height)),f.drawImage(u,0,0,s.width,s.height),[2,s]}}))}))}t.getFontEmbedCSS=function(t,r){return void 0===r&&(r={}),e(this,void 0,void 0,(function(){return n(this,(function(e){return[2,J(t,r)]}))}))},t.toBlob=function(t,r){return void 0===r&&(r={}),e(this,void 0,void 0,(function(){return n(this,(function(e){switch(e.label){case 0:return[4,K(t,r)];case 1:return[4,s(e.sent())];case 2:return[2,e.sent()]}}))}))},t.toCanvas=K,t.toJpeg=function(t,r){return void 0===r&&(r={}),e(this,void 0,void 0,(function(){return n(this,(function(e){switch(e.label){case 0:return[4,K(t,r)];case 1:return[2,e.sent().toDataURL("image/jpeg",r.quality||1)]}}))}))},t.toPixelData=function(t,r){return void 0===r&&(r={}),e(this,void 0,void 0,(function(){var e,i,o,u;return n(this,(function(n){switch(n.label){case 0:return e=c(t,r),i=e.width,o=e.height,[4,K(t,r)];case 1:return u=n.sent(),[2,u.getContext("2d").getImageData(0,0,i,o).data]}}))}))},t.toPng=function(t,r){return void 0===r&&(r={}),e(this,void 0,void 0,(function(){return n(this,(function(e){switch(e.label){case 0:return[4,K(t,r)];case 1:return[2,e.sent().toDataURL()]}}))}))},t.toSvg=X}));'; (function () { GM_registerMenuCommand('Help', function () { alert("点击 F12，找到你需要的元素，然后右键添加属性输入 shot 即可截图。若效果有出入，可能需要手动调整部分 css，若图标等无法加载，请尝试关闭浏览器的 SOP 与 CSP。") return true }); GM_registerMenuCommand('Set Timeout -> 2s', function () { GM_setValue("global_shot_timeout", 2000) reg_menu() return true }); GM_registerMenuCommand('Set Timeout -> 10s', function () { GM_setValue("global_shot_timeout", 10000) reg_menu() return true }); var reg_1 = 0; var reg_2 = 0; function reg_menu() { if (reg_1 != 0) { GM_unregisterMenuCommand(reg_1) } if (reg_2 != 0) { GM_unregisterMenuCommand(reg_2) } reg_1 = GM_registerMenuCommand('Timeout = ' + GM_getValue("global_shot_timeout", 2000) + "ms", function () { var timeout = prompt("输入截图等待加载时间(单位ms，默认2000)") timeout = timeout == null || timeout == "" ? 2000 : timeout timeout = parseInt(timeout) if (isNaN(timeout)) { alert("请输入数字") return true } GM_setValue("global_shot_timeout", timeout) reg_menu() return true }); reg_2 = GM_registerMenuCommand('Scale = ' + GM_getValue("scale", 1), function () { var scale_v = prompt("输入缩放倍数(小数)") scale_v = scale_v == null || scale_v == "" ? 2000 : scale_v scale_v = parseInt(scale_v) if (isNaN(scale_v)) { alert("请输入数字") return true } GM_setValue("scale", scale_v) reg_menu() return true }); } reg_menu(); function inject_deps() { var get_elem = document.querySelector('[http-equiv=Content-Security-Policy]') if (get_elem != null && get_elem != undefined) { get_elem.remove() } document.head.insertAdjacentHTML("beforeend", `<meta http-equiv="Content-Security-Policy" content="script-src 'unsafe-inline' 'unsafe-eval' *;">`) setTimeout(() => { // const script = document.createElement('script'); // script.src = 'https://cdn.jsdelivr.net/npm/[email protected]/dist/html-to-image.min.js'; // script.type = "module"; // document.head.appendChild(script); const script2 = document.createElement('script'); script2.innerHTML = htmltoimage_tmpl; document.head.appendChild(script2); }, 1000) } setTimeout(() => { inject_deps() }, 200) async function expandImports(cssString, baseUrl) { const importRegex = /@import\s+url\((['"]?)([^)'"]+)\1\);?/gi; let imports = cssString.match(importRegex); if (!imports) { return cssString; } for (const importRule of imports) { const urlMatch = importRule.match(/url\((['"]?)([^)'"]+)\1\)/); if (urlMatch) { const importedUrl = urlMatch[2]; const fullUrl = new URL(importedUrl, baseUrl).href; try { const response = await fetch(fullUrl); if (response.ok) { const importedCss = await response.text(); const expandedCss = await expandImports(importedCss, fullUrl); cssString = cssString.replace(importRule, expandedCss); } else { console.warn(`Failed to load imported stylesheet: ${fullUrl}`); } } catch (error) { console.error(`Error fetching imported stylesheet: ${fullUrl}`, error); } } } return cssString; } async function load_style() { var all_style_str = "" var query = document.querySelectorAll('style') query.forEach(element => { all_style_str += element.innerHTML + "\n" }) const linkTags = document.querySelectorAll('link[rel="stylesheet"]'); for (const link of linkTags) { const href = link.getAttribute('href'); try { const response = await fetch(href); if (response.ok) { const cssContent = await response.text(); all_style_str += (cssContent + "\n"); } else { console.warn(`Failed to load stylesheet: ${href}`); } } catch (error) { console.error(`Error fetching stylesheet: ${href}`, error); } } var res = extractAtRules(await expandImports(all_style_str))[0] return res ? res : "" } function extractAtRules(cssString) { const atRuleRegex = /@[\w-]+[^;{]*\{[^}]*\}/g; const matches = cssString.match(atRuleRegex); if (!matches) { return []; } return matches; } function shot(el) { if (el == undefined) { throw new DOMError("找不到元素id") } var el_rect = el.getBoundingClientRect(); const boxShadowValues = window.getComputedStyle(el).boxShadow.split(" "); var el_bx1 = 0 var el_bx2 = 0 var el_bx3 = 0 var el_bx4 = 0 var movex_el = 0 var movey_el = 0 var widthx_el = 0 var widthy_el = 0 if (boxShadowValues.length < 9) { try { el_bx1 = parseInt(boxShadowValues[4].replace(/px/g, "")) el_bx2 = parseInt(boxShadowValues[5].replace(/px/g, "")) el_bx3 = parseInt(boxShadowValues[6].replace(/px/g, "")) el_bx4 = parseInt(boxShadowValues[7].replace(/px/g, "")) movex_el = (el_bx3 * 2 + el_bx4 - el_bx1) movey_el = (el_bx3 * 2 + el_bx4 - el_bx2) widthx_el = (el_bx3 * 2 + el_bx4 + el_bx1) + movex_el widthy_el = (el_bx3 * 2 + el_bx4 + el_bx2) + movey_el } catch (e) { } } const allElements = document.body.querySelectorAll('*'); allElements.forEach(element => { if (!el.contains(element)) { element.style.cssText += "visibility:hidden !important;" } if (element.style.overflow != "visible" && element.style.overflow == "") { element.style.overflow = "hidden" } }); el.style.transition = "none" el.style.animation = "none" el.style.visibility = "visible" el.style.position = "fixed" el.style.left = movex_el.toString() + "px" el.style.top = movey_el.toString() + "px" el.style.right = "none" el.style.bottom = "none" el.style.width = el_rect.width + "px" el.style.height = el_rect.height + "px" el.style.margin = "0px" var real_w = el_rect.width + widthx_el var real_h = el_rect.height + widthy_el var v_doc = document.createElement('div') v_doc.style.position = "fixed" v_doc.style.left = "0px" v_doc.style.top = "0px" v_doc.style.width = real_w + "px" v_doc.style.height = real_h + "px" v_doc.style.transformOrigin = "0px 0px" v_doc.style.backgroundColor = "#00000000" v_doc.innerHTML = document.body.innerHTML document.body.innerHTML = "" document.body.appendChild(v_doc) var query = document.querySelectorAll('iframe'); query.forEach(element => { if (element.style.position == "static" || element.style.position == "") { element.style.position = "relative" } }) load_style().then(styles => { var styleelem = document.createElement('style'); styleelem.innerHTML = styles; v_doc.appendChild(styleelem); setTimeout(function () { v_doc.style.transform = "scale(" + GM_getValue("scale", 1) + ")" v_doc.style.width = real_w * GM_getValue("scale", 1) + "px" v_doc.style.height = real_h * GM_getValue("scale", 1) + "px" setTimeout(() => { if (htmlToImage == undefined) { htmlToImage = window.htmlToImage } htmlToImage.toCanvas(v_doc) .then(function (canvas) { canvas.style.width = real_w + "px" canvas.style.height = real_h + "px" document.body.innerHTML = "" document.body.appendChild(canvas); canvas.toBlob((blob) => { var link = document.createElement('a'); link.href = window.URL.createObjectURL(blob, real_w, real_h); link.download = 'domshot.png'; link.click(); setTimeout(function () { location.reload() }, 1000) }); }); }, 0) }, GM_getValue("global_shot_timeout", 2000)) }); } window.shot = shot setInterval(() => { var ret = document.querySelector("[shot]") if (ret) { console.log("Shot! Element:", ret) ret.attributes.removeNamedItem("shot") shot(ret) } }, 500); })();
