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96 lines
3.1 KiB
JavaScript
96 lines
3.1 KiB
JavaScript
function loadIconError(el){
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var src = $(el).attr("data-original-src");
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if (!src) {
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src = $(el).attr("src").replace(/_(\d)\d0x(\1)\d0/i,"");
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}
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var src404 = $(el).attr("data-404-src");
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if (!src404) {
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src404 = prefix + "css/images/404-pic.png";
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}
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if (src) {
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var _image = new window.Image();
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_image.src = src;
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_image.onload = function(){
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$(el).attr("src", src);
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};
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_image.onerror = function(){
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$(el).removeAttr("onerror").attr("src", src404);
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};
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}else{
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var _image = new window.Image();
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_image.src = src404;
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_image.onload = function(){
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$(el).attr("src", src404);
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};
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_image.onerror = function(){
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$(el).removeAttr("onerror").attr("src", src404);
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};
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}
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}
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function getImgNaturalDimensions(img, fn, fnErr){
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if (img.naturalWidth) {
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var nWidth = img.naturalWidth;
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var nHeight = img.naturalHeight;
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fn(nWidth, nHeight);
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} else {
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var _image = new window.Image();
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_image.onload = function(){
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if (typeof fn == "function") {
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fn(_image.width, _image.height);
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}
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};
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_image.onerror = function(){
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if (typeof fnErr == "function") {
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fnErr();
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}
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};
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_image.src = img.src;
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}
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}
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function resizeImage(el){
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var cssw = $(el).parent().width();
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var cssh = $(el).parent().height();
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(function(img, cssw, cssh){
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getImgNaturalDimensions(img, function(rw, rh){
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var ratio_w = cssw / rw;
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var ratio_h = cssh / rh;
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var ratio = 0, aw = 0, ah = 0;
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ratio = Math.max(ratio_w, ratio_h);
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aw = rw * ratio;
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ah = rh * ratio;
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var max_w = $(img).css("max-width");
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if (max_w != "none") {
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max_w = parseFloat(max_w);
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if (aw > max_w) {
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aw = max_w;
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}
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}
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var max_h = $(img).css("max-height");
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if (max_h != "none") {
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max_h = parseFloat(max_h);
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if (ah > max_h) {
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ah = max_h;
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}
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}
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var left = (aw - cssw) / 2;
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var top = (ah - cssh) / 2;
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var marginTop = -top + "px";
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var cssDisplay = "block";
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if ($(img).hasClass("imgfixhidden")) {
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cssDisplay = "hidden";
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}
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$(img).css({
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width: aw + "px",
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height: ah + "px",
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position: "absolute",
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marginLeft: -left + "px",
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marginTop: marginTop,
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display: cssDisplay
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});
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});
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})(el, cssw, cssh);
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}
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