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| // ==UserScript== | |
| // @name DegradeTwitterIcons | |
| // @namespace http://polog.org/ | |
| // @include http://twitter.com/* | |
| // @require http://gist.github.com/3242.txt | |
| // @require http://www.bytestrom.eu/data/media/experiments/jpegencoder/examples/jpeg_encoder_basic.js | |
| // ==/UserScript== | |
| // using $X http://gist.github.com/3242 by os0x | |
| function init(doc){ | |
| $X('.//img[contains(concat(" ",normalize-space(@class)," "), " photo fn ")] | .//a[contains(@class, "profile-pic")]/img', doc).forEach(function(img){ | |
| try{ | |
| base64ize(img, function(){degrade(img);}); | |
| } catch (e) { | |
| log(e); | |
| } | |
| }); | |
| } | |
| function degrade(img){ | |
| var encoder = new JPEGEncoder(1); | |
| var jpeg = encoder.encode(getImageDataFromImage(img)); | |
| img.src = jpeg; | |
| } | |
| // from glitchmonkey, modified | |
| function base64ize(element, after_func) { | |
| GM_xmlhttpRequest({ | |
| method: "GET", | |
| overrideMimeType: "text/plain; charset=x-user-defined", | |
| url: element.src, | |
| onload: function (res) { | |
| var type = contentType(res.responseHeaders); | |
| var oldsrc = element.src; | |
| element.addEventListener('error', function() { | |
| this.src = oldsrc; | |
| }, false); | |
| element.src = | |
| [ | |
| 'data:', | |
| type, | |
| ';base64,', | |
| base64encode(res.responseText) | |
| ].join(''); | |
| setTimeout(after_func, 1000); | |
| } | |
| }); | |
| } | |
| function contentType(headers) { | |
| return headers.match(/Content-Type: (.*)/i)[1]; | |
| } | |
| function base64encode(data) { | |
| return btoa(data.replace(/[\u0100-\uffff]/g, function(c) { | |
| return String.fromCharCode(c.charCodeAt(0) & 0xff); | |
| })); | |
| } | |
| function log(s){ | |
| //unsafeWindow.console.log(s); | |
| } | |
| init(document); | |
| if(window.AutoPagerize) | |
| window.AutoPagerize.addFilter(function(docs){ | |
| docs.forEach(function(doc){ | |
| init(doc); | |
| }); | |
| }); |
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