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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,32 +1,59 @@ | ||
| .image-placeholder-lqip { | ||
| -ms-filter: progid:DXImageTransform.Microsoft.Blur(PixelRadius='20'); | ||
| filter: blur(20px); | ||
| } | ||
|
|
||
| .image-placeholder-wrapper { | ||
| position: relative; | ||
| display: inline-block; | ||
| filter: blur(0); | ||
| transition: filter 0.2s ease-out; | ||
| :not(.image-placeholder-complete) { | ||
| filter: blur(20px); | ||
| .image-placeholder-opacity { | ||
| opacity: 0; | ||
| } | ||
| } | ||
| .image-placeholder-opacity { | ||
| transition: opacity 0.2s ease-out; // background: #fff; | ||
| display: block; | ||
| position: absolute; | ||
| width: 100%; | ||
| height: 100%; | ||
| left: 0; | ||
| top: 0; | ||
| .image-placeholder-element { | ||
| display: block; | ||
| width: 100%; | ||
| height: 100%; | ||
| background: 0 0 / cover no-repeat; | ||
| } | ||
| } | ||
| .blur-mixin (@value: 20) { | ||
| & { | ||
| -ms-filter: progid:DXImageTransform.Microsoft.Blur(PixelRadius='20'); // filter: url(#blur-lqip); | ||
| filter: blur(~"@{value}px"); | ||
| } | ||
| } | ||
|
|
||
| .image-placeholder-lqip { | ||
| .blur-mixin (); | ||
| } | ||
|
|
||
| .image-placeholder-no-js { | ||
| position: absolute; | ||
| opacity: .01; | ||
| visibility: hidden; | ||
| } | ||
|
|
||
| .image-placeholder-wrapper { | ||
| position: relative; | ||
| display: inline-block; | ||
| >img { | ||
| position: static; | ||
| } | ||
| >.image-placeholder-svg { | ||
| position: absolute; | ||
| display: block; | ||
| left: 0; | ||
| top: 0; | ||
| width: 100%; | ||
| height: 100%; | ||
| svg { | ||
| max-width: 100%; | ||
| max-height: 100%; | ||
| } | ||
| } | ||
| .blur-mixin (0); | ||
| transition: filter 0.2s ease-out; | ||
| :not(.image-placeholder-complete) { | ||
| .blur-mixin (); | ||
| .image-placeholder-opacity { | ||
| // opacity: 0; | ||
| } | ||
| } | ||
| .image-placeholder-opacity { | ||
| transition: opacity 0.2s ease-out; // background: #fff; | ||
| display: block; | ||
| position: absolute; | ||
| width: 100%; | ||
| height: 100%; | ||
| left: 0; | ||
| top: 0; | ||
| .image-placeholder-element { | ||
| display: block; | ||
| width: 100%; | ||
| height: 100%; | ||
| background: 0 0 / cover no-repeat; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -7,7 +7,7 @@ | |
| <license>Released under dual license LGPL v3 | MIT</license> | ||
| <authorEmail>[email protected]</authorEmail> | ||
| <authorUrl>www.tbela.net</authorUrl> | ||
| <version>2.4</version> | ||
| <version>2.4.1</version> | ||
| <description>PLG_SYSTEM_GZIP_XML_DESCRIPTION</description> | ||
| <files> | ||
| <folder>css</folder> | ||
|
|
@@ -29,6 +29,8 @@ | |
| <filename>cssloader.min.js</filename> | ||
| <filename>imagesloader.js</filename> | ||
| <filename>imagesloader.min.js</filename> | ||
| <filename>imagesnojs.js</filename> | ||
| <filename>imagesnojs.min.js</filename> | ||
| <filename>worker_version</filename> | ||
| <filename plugin="gzip">gzip.php</filename> | ||
| </files> | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| // @ts-check | ||
|
|
||
| /** | ||
| * lazy image laoder | ||
| * @package GZip Plugin | ||
| * @copyright Copyright (C) 2005 - 2018 Thierry Bela. | ||
| * | ||
| * dual licensed | ||
| * | ||
| * @license LGPL v3 | ||
| * @license MIT License | ||
| */ | ||
|
|
||
| LIB.ready(function(undef) { | ||
| // intersection-observer.min.js | ||
|
|
||
| if (!("srcset" in new Image())) { | ||
| // try { | ||
|
|
||
| document.body.insertAdjacentHTML( | ||
| "beforeend", | ||
| "<svg xmlns=http://www.w3.org/2000/svg width=1 height=1>" + | ||
| "<defs>" + | ||
| "<filter id=blur-lqip width=100% height=100% >" + | ||
| "<feGaussianBlur stdDeviation=20 />" + | ||
| '</filter>' + | ||
| '</defs>'+ | ||
| '</svg>' | ||
| ); | ||
| } | ||
|
|
||
| function lazyload() { | ||
| LIB.images.lazy(".image-placeholder").on({ | ||
|
|
||
| /** | ||
| * | ||
| * @param {HTMLImageElement} img | ||
| * @param {HTMLImageElement} oldImage | ||
| */ | ||
| preload: function(img, oldImage) { | ||
|
|
||
| const legacy = !("currentSrc" in img); | ||
|
|
||
| if (!legacy) { | ||
| oldImage.insertAdjacentHTML( | ||
| "beforebegin", | ||
| '<span class=image-placeholder-wrapper><span class=image-placeholder-opacity><span class=image-placeholder-element style="background-image:url(\'' + | ||
| (img.currentSrc || img.src) + | ||
| "')\">" | ||
| ); | ||
| } | ||
|
|
||
| else { | ||
| oldImage.insertAdjacentHTML( | ||
| "beforebegin", | ||
| "<span class=image-placeholder-wrapper><span class=image-placeholder-svg><svg width=100% height=100% version=1.1 xmlns=http://www.w3.org/2000/svg >" + | ||
| '<image xlink:href="' + | ||
| (img.currentSrc || img.src) + | ||
| '" width=100% height=100% filter=url(#blur-lqip) x=0 y=0 />"' | ||
| ); | ||
| } | ||
|
|
||
| const container = oldImage.previousElementSibling; | ||
|
|
||
| if (legacy) { | ||
|
|
||
| if ( typeof window.CustomEvent != "function" ) { | ||
|
|
||
| function CustomEvent ( event, params ) { | ||
| params = params || { bubbles: false, cancelable: false, detail: undefined }; | ||
| const evt = document.createEvent( 'CustomEvent' ); | ||
| evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail ); | ||
| return evt; | ||
| } | ||
|
|
||
| CustomEvent.prototype = window.Event.prototype; | ||
| } | ||
|
|
||
| const svg = container.querySelector('svg'); | ||
| // const svgImage = container.querySelector('svg image'); | ||
| function resize () { | ||
|
|
||
| const height = this.height; | ||
| const width = this.width; | ||
|
|
||
| svg.setAttribute('height', height); | ||
| svg.setAttribute('width', width); | ||
|
|
||
| // svgImage.setAttribute('height', height); | ||
| // svgImage.setAttribute('width', width); | ||
| } | ||
|
|
||
| img.addEventListener('sourcechange', resize); | ||
| img.addEventListener('load', resize); | ||
| } | ||
|
|
||
| oldImage.classList.remove( | ||
| "image-placeholder-lqip", | ||
| "image-placeholder-svg", | ||
| "image-placeholder" | ||
| ); | ||
| container.insertBefore(oldImage, container.firstElementChild); | ||
| }, | ||
| load: function(img, oldImage) { | ||
| if (oldImage.dataset.src != undef) { | ||
| oldImage.src = oldImage.dataset.src; | ||
| // oldImage.removeAttribute("data-src"); | ||
| } | ||
|
|
||
| if (oldImage.dataset.srcset != undef) { | ||
| oldImage.srcset = oldImage.dataset.srcset; | ||
| // oldImage.removeAttribute("data-srcset"); | ||
| } | ||
|
|
||
| setTimeout(function() { | ||
| let container = oldImage; | ||
|
|
||
| oldImage.removeAttribute("data-srcset"); | ||
| oldImage.removeAttribute("data-src"); | ||
|
|
||
| while ( | ||
| container != undef && | ||
| !container.classList.contains( | ||
| "image-placeholder-wrapper" | ||
| ) | ||
| ) { | ||
| container = container.parentElement; | ||
| } | ||
|
|
||
| container.classList.add("image-placeholder-complete"); | ||
|
|
||
| setTimeout(function() { | ||
|
|
||
| // if (container.parentElement != null) { | ||
|
|
||
| container.parentElement.insertBefore( | ||
| oldImage, | ||
| container | ||
| ); | ||
|
|
||
| container.parentElement.removeChild(container); | ||
| // } | ||
|
|
||
| }, 10); | ||
| }, 10); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| if ( | ||
| !( | ||
| "IntersectionObserver" in window && | ||
| "IntersectionObserverEntry" in window && | ||
| "intersectionRatio" in window.IntersectionObserverEntry.prototype | ||
| ) | ||
| ) { | ||
| const script = document.createElement("script"); | ||
| /*script.onreadystatechange =*/ script.onload = lazyload; | ||
| script.defer = true; | ||
| script.async = true; | ||
| script.src = "{script-src}"; | ||
| document.body.appendChild(script); | ||
| } else { | ||
| if (!("isIntersecting" in window.IntersectionObserverEntry.prototype)) { | ||
| Object.defineProperty( | ||
| window.IntersectionObserverEntry.prototype, | ||
| "isIntersecting", | ||
| { | ||
| get: function() { | ||
| return this.intersectionRatio > 0; | ||
| } | ||
| } | ||
| ); | ||
| } | ||
|
|
||
| lazyload(); | ||
| } | ||
| }); |
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