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var gif, img
var imageURL = null
function loadImage(imageURL, callback) {
var imageURL = proxify( imageURL );
window.imageURL = imageURL
window.gif = window.img = null
if (! imageURL) {
window.gif = null
window.img = null
callback()
}
else if (imageURL.substr(-3) === "gif") {
window.gif = GIF(imageURL);
// gif.on("error", tryToLoadNextImage);
// gif.on("rendered", trackLoadTime);
gif.on("rendered", callback);
gif.render();
}
else {
window.img = new Image();
// img.addEventListener("error", tryToLoadNextImage);
img.addEventListener("load", callback);
img.crossOrigin = "anonymous";
img.src = imageURL;
}
}
function giveImage(t) {
if (window.gif) {
return gif.frames[gif.currentFrame(t)];
} else {
return img;
}
}
function proxify (url) {
if (url.indexOf("http") == 0)
return "/cgi-bin/proxy?" + url.replace(/^https/, "http");
else
return url
}
function filesize(n) {
if (n < 1e3) return n + " bytes"
if (n < 1e6) return decimalString(n/1e3) + " kb"
if (n < 1e9) return decimalString(n/1e6) + " mb"
return "WAY TOO BIG DUDE"
}
function decimalString(n){
var m = Math.floor(n);
return m + "." + Math.round((n-m)*10)
}
function noop(){}
function uploadImage(opt){
if (! opt.blob || ! opt.filename) return;
opt.username = opt.username || "";
opt.success = opt.success || noop;
opt.error = opt.error || noop;
var form = new FormData();
form.append("username", opt.username);
form.append("filename", opt.filename);
form.append("qqfile", opt.blob);
var req = new XMLHttpRequest();
req.open("POST", "/cgi-bin/im/shader/upload");
req.onload = function(event) {
if (req.status == 200) {
var res = JSON.parse(req.responseText);
if (res.success) {
opt.success(res);
}
else {
opt.error(res);
}
} else {
opt.error({ success: false, error: req.status });
}
};
req.send(form);
}
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