540 lines
22 KiB
JavaScript
540 lines
22 KiB
JavaScript
/*! respimage - v1.1.6 - 2014-11-20
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Licensed MIT */
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!function(window, document, undefined) {
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"use strict";
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function trim(str) {
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return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, "");
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}
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function updateMetrics() {
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var dprM;
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(isVwDirty || DPR != window.devicePixelRatio) && (isVwDirty = !1, DPR = window.devicePixelRatio,
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cssCache = {}, sizeLengthCache = {}, dprM = (DPR || 1) * cfg.xQuant, cfg.uT || (dprM = Math.min(dprM, 3),
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dprM > 1.4 && (dprM = Math.round(dprM / (1 + (dprM - 1.4) / 12) * 100) / 100), ri.DPR = dprM),
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tLow = cfg.tLow * dprM, greed = cfg.greed / 2, greed += greed * dprM, tHigh = cfg.tHigh,
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tMemory = 2 + dprM, units.width = Math.max(window.innerWidth || 0, docElem.clientWidth),
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units.height = Math.max(window.innerHeight || 0, docElem.clientHeight), isLandscape = units.width > units.height,
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units.vw = units.width / 100, units.vh = units.height / 100, units.em = ri.getEmValue(),
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units.rem = units.em);
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}
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function parseDescriptor(descriptor) {
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if (!(descriptor in memDescriptor)) {
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var descriptorObj = {
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val: 1,
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type: "x"
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}, parsedDescriptor = trim(descriptor || "");
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parsedDescriptor && (parsedDescriptor = parsedDescriptor.replace(regHDesc, ""),
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parsedDescriptor.match(regDescriptor) ? (descriptorObj.val = 1 * RegExp.$1, descriptorObj.type = RegExp.$2) : descriptorObj = !1),
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memDescriptor[descriptor] = descriptorObj;
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}
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return memDescriptor[descriptor];
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}
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function chooseLowRes(lowRes, diff, dpr) {
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var add = diff * greed * lowRes;
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return isLandscape || (add /= 1.5), lowRes += add, diff > tHigh && (lowRes += tLow),
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lowRes > dpr;
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}
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function inView(el) {
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if (!el.getBoundingClientRect) return !0;
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var bottom, right, left, top, rect = el.getBoundingClientRect();
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return !!((bottom = rect.bottom) >= -9 && (top = rect.top) <= units.height + 9 && (right = rect.right) >= -9 && (left = rect.left) <= units.height + 9 && (bottom || right || left || top));
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}
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function applyBestCandidate(img) {
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var srcSetCandidates, matchingSet = ri.getSet(img), evaluated = !1;
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"pending" != matchingSet && (evaluated = !0, matchingSet && (srcSetCandidates = ri.setRes(matchingSet),
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evaluated = ri.applySetCandidate(srcSetCandidates, img))), img[ri.ns].evaled = evaluated;
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}
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function ascendingSort(a, b) {
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return a.res - b.res;
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}
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function setSrcToCur(img, src, set) {
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var candidate;
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return !set && src && (set = img[ri.ns].sets, set = set && set[set.length - 1]),
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candidate = getCandidateForSrc(src, set), candidate && (src = ri.makeUrl(src), img[ri.ns].curSrc = src,
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img[ri.ns].curCan = candidate, candidate.res || setResolution(candidate, candidate.set.sizes)),
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candidate;
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}
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function getCandidateForSrc(src, set) {
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var i, candidate, candidates;
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if (src && set) for (candidates = ri.parseSet(set), src = ri.makeUrl(src), i = 0; i < candidates.length; i++) if (src == ri.makeUrl(candidates[i].url)) {
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candidate = candidates[i];
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break;
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}
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return candidate;
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}
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function hasOneX(set) {
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var i, ret, candidates, desc;
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if (set) for (candidates = ri.parseSet(set), i = 0; i < candidates.length; i++) if (desc = candidates[i].desc,
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"x" == desc.type && 1 == desc.val) {
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ret = !0;
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break;
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}
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return ret;
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}
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function hasWDescripor(set) {
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if (!set) return !1;
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var candidates = ri.parseSet(set);
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return candidates[0] && "w" == candidates[0].desc.type;
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}
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function getAllSourceElements(picture, candidates) {
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var i, len, source, srcset, sources = picture.getElementsByTagName("source");
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for (i = 0, len = sources.length; len > i; i++) source = sources[i], source[ri.ns] = !0,
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srcset = source.getAttribute("srcset"), srcset && candidates.push({
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srcset: srcset,
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media: source.getAttribute("media"),
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type: source.getAttribute("type"),
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sizes: source.getAttribute("sizes")
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});
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}
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function setResolution(candidate, sizesattr) {
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var descriptor = candidate.desc;
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return "w" == descriptor.type ? (candidate.cWidth = ri.calcListLength(sizesattr || "100vw"),
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candidate.res = descriptor.val / candidate.cWidth) : candidate.res = descriptor.val,
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candidate;
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}
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document.createElement("picture");
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var ri = {}, noop = function() {}, image = document.createElement("img"), getImgAttr = image.getAttribute, setImgAttr = image.setAttribute, removeImgAttr = image.removeAttribute, docElem = document.documentElement, types = {}, cfg = {
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xQuant: 1,
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tLow: .1,
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tHigh: .6,
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tLazy: .33,
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greed: .5
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}, srcAttr = "data-risrc", srcsetAttr = srcAttr + "set", supportAbort = /rident/.test(navigator.userAgent), curSrcProp = "currentSrc";
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ri.ns = ("ri" + new Date().getTime()).substr(0, 9), curSrcProp in image || (curSrcProp = "src"),
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ri.supSrcset = "srcset" in image, ri.supSizes = "sizes" in image, ri.selShort = "picture>img,img[srcset]",
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ri.sel = ri.selShort, ri.cfg = cfg, ri.supSrcset && (ri.sel += ",img[" + srcsetAttr + "]");
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var anchor = document.createElement("a");
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ri.makeUrl = function(src) {
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return anchor.href = src, anchor.href;
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}, ri.qsa = function(context, sel) {
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return context.querySelectorAll(sel);
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};
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{
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var on = function(obj, evt, fn, capture) {
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obj.addEventListener ? obj.addEventListener(evt, fn, capture || !1) : obj.attachEvent && obj.attachEvent("on" + evt, fn);
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}, off = function(obj, evt, fn, capture) {
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obj.removeEventListener ? obj.removeEventListener(evt, fn, capture || !1) : obj.detachEvent && obj.detachEvent("on" + evt, fn);
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};
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"https:" == location.protocol;
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}
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ri.matchesMedia = function() {
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return ri.matchesMedia = window.matchMedia && (matchMedia("(min-width: 0.1em)") || {}).matches ? function(media) {
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return !media || matchMedia(media).matches;
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} : ri.mMQ, ri.matchesMedia.apply(this, arguments);
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};
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var tLow, greed, tHigh, tMemory, isWinComplete, isLandscape, isVwDirty = !0, cssCache = {}, sizeLengthCache = {}, DPR = window.devicePixelRatio, units = {
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px: 1,
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"in": 96
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};
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ri.DPR = DPR || 1, ri.u = units, ri.mMQ = function(media) {
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return media ? evalCSS(media) : !0;
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};
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var evalCSS = function() {
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var cache = {}, regLength = /^([\d\.]+)(em|vw|px)$/, replace = function() {
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for (var args = arguments, index = 0, string = args[0]; ++index in args; ) string = string.replace(args[index], args[++index]);
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return string;
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}, buidlStr = function(css) {
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return cache[css] || (cache[css] = "return " + replace((css || "").toLowerCase(), /\band\b/g, "&&", /,/g, "||", /min-([a-z-\s]+):/g, "e.$1>=", /max-([a-z-\s]+):/g, "e.$1<=", /calc([^)]+)/g, "($1)", /(\d+[\.]*[\d]*)([a-z]+)/g, "($1 * e.$2)", /^(?!(e.[a-z]|[0-9\.&=|><\+\-\*\(\)\/])).*/gi, "") + ";"),
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cache[css];
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};
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return function(css, length) {
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var parsedLength;
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if (!(css in cssCache)) if (cssCache[css] = !1, length && (parsedLength = css.match(regLength))) cssCache[css] = parsedLength[1] * units[parsedLength[2]]; else try {
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cssCache[css] = new Function("e", buidlStr(css))(units);
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} catch (e) {}
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return cssCache[css];
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};
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}();
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ri.calcLength = function(sourceSizeValue) {
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var value = evalCSS(sourceSizeValue, !0) || !1;
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return 0 > value && (value = !1), value;
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}, ri.types = types, types["image/jpeg"] = !0, types["image/gif"] = !0, types["image/png"] = !0,
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types["image/svg+xml"] = document.implementation.hasFeature("http://wwwindow.w3.org/TR/SVG11/feature#Image", "1.1"),
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ri.supportsType = function(type) {
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return type ? types[type] : !0;
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};
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var regSize = /(\([^)]+\))?\s*(.+)/, memSize = {};
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ri.parseSize = function(sourceSizeStr) {
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var match;
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return memSize[sourceSizeStr] || (match = (sourceSizeStr || "").match(regSize),
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memSize[sourceSizeStr] = {
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media: match && match[1],
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length: match && match[2]
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}), memSize[sourceSizeStr];
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}, ri.parseSet = function(set) {
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if (!set.cands) {
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var pos, url, descriptor, last, descpos, srcset = set.srcset;
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for (set.cands = []; srcset; ) srcset = srcset.replace(/^\s+/g, ""), pos = srcset.search(/\s/g),
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descriptor = null, -1 != pos ? (url = srcset.slice(0, pos), last = url.charAt(url.length - 1),
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"," != last && url || (url = url.replace(/,+$/, ""), descriptor = ""), srcset = srcset.slice(pos + 1),
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null == descriptor && (descpos = srcset.indexOf(","), -1 != descpos ? (descriptor = srcset.slice(0, descpos),
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srcset = srcset.slice(descpos + 1)) : (descriptor = srcset, srcset = ""))) : (url = srcset,
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srcset = ""), url && (descriptor = parseDescriptor(descriptor)) && set.cands.push({
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url: url.replace(/^,+/, ""),
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desc: descriptor,
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set: set
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});
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}
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return set.cands;
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};
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var eminpx, memDescriptor = {}, regDescriptor = /^([\+eE\d\.]+)(w|x)$/, regHDesc = /\s*\d+h\s*/, baseStyle = "position:absolute;left:0;visibility:hidden;display:block;padding:0;border:none;font-size:1em;width:1em;overflow:hidden;clip:rect(0px, 0px, 0px, 0px)", fsCss = "font-size:100%!important;";
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ri.getEmValue = function() {
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var body;
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if (!eminpx && (body = document.body)) {
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var div = document.createElement("div"), originalHTMLCSS = docElem.style.cssText, originalBodyCSS = body.style.cssText;
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div.style.cssText = baseStyle, docElem.style.cssText = fsCss, body.style.cssText = fsCss,
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body.appendChild(div), eminpx = div.offsetWidth, body.removeChild(div), eminpx = parseFloat(eminpx, 10),
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docElem.style.cssText = originalHTMLCSS, body.style.cssText = originalBodyCSS;
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}
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return eminpx || 16;
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}, ri.calcListLength = function(sourceSizeListStr) {
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if (!(sourceSizeListStr in sizeLengthCache) || cfg.uT) {
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var sourceSize, parsedSize, length, media, i, len, sourceSizeList = trim(sourceSizeListStr).split(/\s*,\s*/), winningLength = !1;
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for (i = 0, len = sourceSizeList.length; len > i && (sourceSize = sourceSizeList[i],
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parsedSize = ri.parseSize(sourceSize), length = parsedSize.length, media = parsedSize.media,
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!length || !ri.matchesMedia(media) || (winningLength = ri.calcLength(length)) === !1); i++) ;
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sizeLengthCache[sourceSizeListStr] = winningLength ? winningLength : units.width;
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}
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return sizeLengthCache[sourceSizeListStr];
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}, ri.setRes = function(set) {
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var candidates, candidate;
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if (set) {
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candidates = ri.parseSet(set);
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for (var i = 0, len = candidates.length; len > i; i++) candidate = candidates[i],
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candidate.descriptor || setResolution(candidate, set.sizes);
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}
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return candidates;
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}, ri.applySetCandidate = function(candidates, img) {
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if (candidates.length) {
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var candidate, dpr, i, j, diff, length, bestCandidate, curSrc, curCan, isSameSet, candidateSrc, oldRes, imageData = img[ri.ns], evaled = !0;
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if (curSrc = imageData.curSrc || img[curSrcProp], curCan = imageData.curCan || setSrcToCur(img, curSrc, candidates[0].set),
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dpr = ri.DPR, curSrc && (curCan && curCan.res < dpr && (oldRes = curCan.res, curCan.res += cfg.tLazy * Math.pow(curCan.res - .1, isLandscape ? 2.2 : 1.9)),
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isSameSet = !imageData.pic || curCan && curCan.set == candidates[0].set, curCan && isSameSet && curCan.res >= dpr && (oldRes || tMemory > curCan.res) ? bestCandidate = curCan : supportAbort || img.complete || !getImgAttr.call(img, "src") || img.lazyload || (isSameSet || !inView(img)) && (bestCandidate = curCan,
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candidateSrc = curSrc, evaled = "L", isWinComplete && reevaluateAfterLoad(img))),
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!bestCandidate) for (oldRes && (curCan.res = curCan.res - (curCan.res - oldRes) / 2),
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candidates.sort(ascendingSort), length = candidates.length, bestCandidate = candidates[length - 1],
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i = 0; length > i; i++) if (candidate = candidates[i], candidate.res >= dpr) {
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j = i - 1, bestCandidate = candidates[j] && (diff = candidate.res - dpr) && curSrc != ri.makeUrl(candidate.url) && chooseLowRes(candidates[j].res, diff, dpr) ? candidates[j] : candidate;
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break;
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}
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return oldRes && (curCan.res = oldRes), bestCandidate && (candidateSrc = ri.makeUrl(bestCandidate.url),
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imageData.curSrc = candidateSrc, imageData.curCan = bestCandidate, candidateSrc != curSrc ? ri.setSrc(img, bestCandidate) : ri.setSize(img)),
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evaled;
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}
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};
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ri.setSrc = function(img, bestCandidate) {
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var origWidth;
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img.src = bestCandidate.url, "image/svg+xml" == bestCandidate.set.type && (origWidth = img.style.width,
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img.style.width = img.offsetWidth + 1 + "px", img.offsetWidth + 1 && (img.style.width = origWidth)),
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ri.setSize(img);
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}, ri.setSize = noop, ri.getSet = function(img) {
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var i, set, supportsType, match = !1, sets = img[ri.ns].sets;
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for (i = 0; i < sets.length && !match; i++) if (set = sets[i], set.srcset && ri.matchesMedia(set.media) && (supportsType = ri.supportsType(set.type))) {
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"pending" == supportsType && (set = supportsType), match = set;
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break;
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}
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return match;
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};
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var alwaysCheckWDescriptor = ri.supSrcset && !ri.supSizes;
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ri.parseSets = function(element, parent) {
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var srcsetAttribute, fallbackCandidate, isWDescripor, srcsetParsed, hasPicture = "PICTURE" == parent.nodeName.toUpperCase(), imageData = element[ri.ns];
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imageData.src === undefined && (imageData.src = getImgAttr.call(element, "src"),
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imageData.src ? setImgAttr.call(element, srcAttr, imageData.src) : removeImgAttr.call(element, srcAttr)),
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imageData.srcset === undefined && (srcsetAttribute = getImgAttr.call(element, "srcset"),
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imageData.srcset = srcsetAttribute, srcsetParsed = !0), imageData.sets = [], hasPicture && (imageData.pic = !0,
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getAllSourceElements(parent, imageData.sets)), imageData.srcset ? (fallbackCandidate = {
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srcset: imageData.srcset,
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sizes: getImgAttr.call(element, "sizes")
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}, imageData.sets.push(fallbackCandidate), isWDescripor = alwaysCheckWDescriptor || imageData.src ? hasWDescripor(fallbackCandidate) : !1,
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isWDescripor || !imageData.src || getCandidateForSrc(imageData.src, fallbackCandidate) || hasOneX(fallbackCandidate) || (fallbackCandidate.srcset += ", " + imageData.src,
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fallbackCandidate.cands = !1)) : imageData.src && imageData.sets.push({
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srcset: imageData.src,
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sizes: null
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}), imageData.curCan = null, imageData.supported = !(hasPicture || fallbackCandidate && !ri.supSrcset || isWDescripor),
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srcsetParsed && ri.supSrcset && !imageData.supported && (srcsetAttribute ? (setImgAttr.call(element, srcsetAttr, srcsetAttribute),
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element.srcset = "") : removeImgAttr.call(element, srcsetAttr)), imageData.supported && !imageData.srcset && (!imageData.src && element.src || element.src != ri.makeUrl(imageData.src)) && (null == imageData.src ? element.removeAttribute("src") : element.src = imageData.src),
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imageData.parsed = !0;
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};
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var reevaluateAfterLoad = function() {
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var onload = function() {
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off(this, "load", onload), off(this, "error", onload), ri.fillImgs({
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elements: [ this ]
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});
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};
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return function(img) {
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off(img, "load", onload), off(img, "error", onload), on(img, "error", onload), on(img, "load", onload);
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};
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}();
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ri.fillImg = function(element, options) {
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var parent, imageData, extreme = options.reparse || options.reevaluate;
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if (element[ri.ns] || (element[ri.ns] = {}), imageData = element[ri.ns], "L" == imageData.evaled && element.complete && (imageData.evaled = !1),
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extreme || !imageData.evaled) {
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if (!imageData.parsed || options.reparse) {
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if (parent = element.parentNode, !parent) return;
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ri.parseSets(element, parent, options);
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}
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imageData.supported ? imageData.evaled = !0 : applyBestCandidate(element);
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}
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};
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var resizeThrottle;
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ri.setupRun = function(options) {
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(!alreadyRun || options.reevaluate || isVwDirty) && (updateMetrics(), options.elements || options.context || clearTimeout(resizeThrottle));
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}, ri.teardownRun = noop;
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var alreadyRun = !1, respimage = function(opt) {
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var elements, i, plen, options = opt || {};
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if (options.elements && 1 == options.elements.nodeType && ("IMG" == options.elements.nodeName.toUpperCase() ? options.elements = [ options.elements ] : (options.context = options.elements,
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options.elements = null)), elements = options.elements || ri.qsa(options.context || document, options.reevaluate || options.reparse ? ri.sel : ri.selShort),
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plen = elements.length) {
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for (ri.setupRun(options), alreadyRun = !0, i = 0; plen > i; i++) ri.fillImg(elements[i], options);
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ri.teardownRun(options);
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}
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};
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ri.fillImgs = respimage, window.HTMLPictureElement ? (respimage = noop, ri.fillImg = noop) : !function() {
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var lDelay;
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lDelay = supportAbort ? 180 : 400;
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var run = function() {
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var readyState = document.readyState || "";
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clearTimeout(timerId), timerId = setTimeout(run, "loading" == readyState ? lDelay : 2e3),
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document.body && (/d$|^c/.test(readyState) && (isWinComplete = !0, clearTimeout(timerId),
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off(document, "readystatechange", run)), ri.fillImgs());
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}, resizeEval = function() {
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ri.fillImgs({
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reevaluate: !0
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});
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}, onResize = function() {
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clearTimeout(resizeThrottle), isVwDirty = !0, resizeThrottle = setTimeout(resizeEval, 99);
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}, timerId = setTimeout(run, document.body ? 9 : 99);
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on(window, "resize", onResize), on(document, "readystatechange", run);
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}(), respimage._ = ri, respimage.config = function(name, value, value2) {
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if ("addType" == name) {
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if (types[value] = value2, "pending" == value2) return;
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} else cfg[name] = value;
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alreadyRun && ri.fillImgs({
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reevaluate: !0
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});
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}, window.respimage = respimage;
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}(window, document);
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(function( factory ) {
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"use strict";
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var interValId;
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var intervalIndex = 0;
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var run = function(){
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if ( window.respimage ) {
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factory( window.respimage );
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}
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if(window.respimage || intervalIndex > 9999){
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clearInterval(interValId);
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}
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intervalIndex++;
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};
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interValId = setInterval(run, 8);
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run();
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}( function( respimage, undefined ) {
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"use strict";
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|
|
var ri = respimage._;
|
|
var knownWidths = {};
|
|
var cfg = ri.cfg;
|
|
var curSrcProp = "currentSrc";
|
|
var setSize = function(width, img, data){
|
|
var curCandidate = data.curCan;
|
|
|
|
if ( width ) {
|
|
if ( curCandidate.desc.type == "x" ) {
|
|
img.setAttribute( "width", parseInt( (width / curCandidate.res) / cfg.xQuant, 10) );
|
|
} else if ( curCandidate.desc.type == "w" ) {
|
|
img.setAttribute( "width", parseInt( curCandidate.cWidth * (width / curCandidate.desc.val), 10) );
|
|
}
|
|
}
|
|
};
|
|
var loadBg = function(url, img, data){
|
|
var bgImg;
|
|
var curCandidate;
|
|
if(knownWidths[url]){
|
|
setSize(knownWidths[url], img, data);
|
|
} else {
|
|
curCandidate = data.curCan;
|
|
if(curCandidate.desc.type == 'w'){
|
|
setSize(curCandidate.desc.val, img, data);
|
|
}
|
|
|
|
bgImg = document.createElement('img');
|
|
bgImg.onload = function(){
|
|
knownWidths[url] = bgImg.naturalWidth || bgImg.width;
|
|
if(url == img[curSrcProp]){
|
|
setSize(knownWidths[url], img, data);
|
|
}
|
|
bgImg.onload = null;
|
|
bgImg.onerror = null;
|
|
img = null;
|
|
bgImg = null;
|
|
};
|
|
bgImg.onerror = function(){
|
|
img = null;
|
|
bgImg.onload = null;
|
|
bgImg.onerror = null;
|
|
bgImg = null;
|
|
};
|
|
bgImg.src = url;
|
|
|
|
if(bgImg && bgImg.complete){
|
|
bgImg.onload();
|
|
}
|
|
}
|
|
|
|
};
|
|
var reeval = (function(){
|
|
var running, timer;
|
|
var run = function(){
|
|
running = false;
|
|
clearTimeout(timer);
|
|
respimage({reevaluate: true});
|
|
};
|
|
|
|
return function(){
|
|
if(!running && cfg.addSize){
|
|
running = true;
|
|
clearTimeout(timer);
|
|
timer = setTimeout(run, 33);
|
|
}
|
|
};
|
|
|
|
})();
|
|
|
|
if( !(curSrcProp in document.createElement("img")) ){
|
|
curSrcProp = "src";
|
|
}
|
|
|
|
cfg.addSize = true;
|
|
|
|
ri.setSize = function( img ) {
|
|
var url;
|
|
var data = img[ ri.ns ];
|
|
var curCandidate = data.curCan;
|
|
|
|
if ( data.dims === undefined ) {
|
|
data.dims = img.getAttribute( "height" ) && img.getAttribute( "width" );
|
|
}
|
|
|
|
if ( !cfg.addSize || !curCandidate || data.dims ) {return;}
|
|
url = ri.makeUrl(curCandidate.url);
|
|
if(url == img[curSrcProp]){
|
|
loadBg(url, img, data);
|
|
}
|
|
};
|
|
|
|
|
|
if(window.addEventListener){
|
|
addEventListener('resize', reeval, false);
|
|
}
|
|
respimage({reevaluate: true});
|
|
}));
|
|
|
|
(function( factory ) {
|
|
"use strict";
|
|
var interValId;
|
|
var intervalIndex = 0;
|
|
var run = function(){
|
|
if ( window.respimage ) {
|
|
factory( window.respimage );
|
|
}
|
|
if(window.respimage || intervalIndex > 9999){
|
|
clearInterval(interValId);
|
|
}
|
|
intervalIndex++;
|
|
};
|
|
interValId = setInterval(run, 8);
|
|
|
|
run();
|
|
|
|
}( function( respimage ) {
|
|
"use strict";
|
|
|
|
var ri = respimage._;
|
|
var runningTests = 0;
|
|
var setTypeValue = function(types, value){
|
|
var i;
|
|
for(i = 0; i < types.length; i++){
|
|
ri.types[types[i]] = value;
|
|
}
|
|
};
|
|
|
|
if(window.HTMLPictureElement && !ri.cfg.uT){
|
|
respimage.testTypeSupport = function(){};
|
|
return;
|
|
}
|
|
|
|
ri.types["image/bmp"] = true;
|
|
ri.types["image/x-bmp"] = true;
|
|
|
|
respimage.testTypeSupport = function(types, url, width, useCanvas){
|
|
if(typeof types == "string"){
|
|
types = types.split(/\s*\,*\s+/g);
|
|
}
|
|
var canvas;
|
|
var supports = "pending";
|
|
var img = document.createElement('img');
|
|
var onComplete = function(){
|
|
runningTests--;
|
|
setTypeValue(types, supports);
|
|
if(runningTests < 1){
|
|
respimage({reevaluate: true});
|
|
}
|
|
};
|
|
|
|
if(useCanvas){
|
|
canvas = document.createElement('canvas');
|
|
if(!canvas.getContext){
|
|
setTypeValue(types, false);
|
|
return;
|
|
}
|
|
}
|
|
|
|
img.onload = function(){
|
|
var ctx;
|
|
supports = true;
|
|
if(width){
|
|
supports = img.width == width;
|
|
}
|
|
|
|
if(useCanvas){
|
|
ctx = canvas.getContext('2d');
|
|
ctx.drawImage(img, 0, 0);
|
|
supports = ctx.getImageData(0, 0, 1, 1).data[3] === 0;
|
|
}
|
|
onComplete();
|
|
};
|
|
|
|
img.onerror = function(){
|
|
supports = false;
|
|
onComplete();
|
|
};
|
|
runningTests++;
|
|
setTypeValue(types, "pending");
|
|
img.src = url;
|
|
};
|
|
|
|
|
|
respimage.testTypeSupport("image/webp", "data:image/webp;base64,UklGRkoAAABXRUJQVlA4WAoAAAAQAAAAAAAAAAAAQUxQSAwAAAABBxAR/Q9ERP8DAABWUDggGAAAADABAJ0BKgEAAQADADQlpAADcAD++/1QAA==", 1);
|
|
respimage.testTypeSupport("image/jp2 image/jpx image/jpm", "data:image/jp2;base64,/0//UQAyAAAAAAABAAAAAgAAAAAAAAAAAAAABAAAAAQAAAAAAAAAAAAEBwEBBwEBBwEBBwEB/1IADAAAAAEAAAQEAAH/XAAEQED/ZAAlAAFDcmVhdGVkIGJ5IE9wZW5KUEVHIHZlcnNpb24gMi4wLjD/kAAKAAAAAABYAAH/UwAJAQAABAQAAf9dAAUBQED/UwAJAgAABAQAAf9dAAUCQED/UwAJAwAABAQAAf9dAAUDQED/k8+kEAGvz6QQAa/PpBABr994EAk//9k=", 1);
|
|
respimage.testTypeSupport("image/vnd.ms-photo", "data:image/vnd.ms-photo;base64,SUm8AQgAAAAFAAG8AQAQAAAASgAAAIC8BAABAAAAAQAAAIG8BAABAAAAAQAAAMC8BAABAAAAWgAAAMG8BAABAAAAHwAAAAAAAAAkw91vA07+S7GFPXd2jckNV01QSE9UTwAZAYBxAAAAABP/gAAEb/8AAQAAAQAAAA==", 1);
|
|
respimage.testTypeSupport("video/png video/apng video/x-mng video/x-png", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACGFjVEwAAAABAAAAAcMq2TYAAAANSURBVAiZY2BgYPgPAAEEAQB9ssjfAAAAGmZjVEwAAAAAAAAAAQAAAAEAAAAAAAAAAAD6A+gBAbNU+2sAAAARZmRBVAAAAAEImWNgYGBgAAAABQAB6MzFdgAAAABJRU5ErkJggg==", false, true);
|
|
|
|
}));
|
|
|
|
|
|
(function(){
|
|
|
|
webshim.isReady('picture', true);
|
|
var sel = 'picture, img[srcset]';
|
|
webshim.addReady(function(context){
|
|
if(context.querySelector(sel)){
|
|
window.respimage();
|
|
}
|
|
});
|
|
})();
|
|
|
|
|