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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>BrotliJS HTML5 Encoder/Decoder</title>
<meta name="description" content="" />
<style>
body {
font-family:Roboto;
}
.example {
border: 1px solid #ccc;
padding: 10px;
}
.drop_zone {
border: 2px dashed #bbb;
border-radius: 5px;
color: #bbb;
padding: 25px;
text-align: center;
}
.thumb {
border: 1px solid #000;
height: 75px;
margin: 10px 5px 0 0;
}
#progress_bar {
border: 1px solid #000;
clear: both;
font-size: 14px;
margin: 10px 0;
opacity: 0;
padding: 3px;
transition: opacity 1s linear 0s;
}
#progress_bar.loading {
opacity: 1;
}
#progress_bar .percent {
background-color: #99ccff;
height: auto;
width: 0;
}
#byte_content {
margin: 5px 0;
max-height: 100px;
overflow-x: hidden;
overflow-y: auto;
}
#byte_range {
margin-top: 5px;
}
</style>
<script> /*if (typeof console == 'undefined')
var console={log:function() {}};if (typeof console != "undefined")
if (typeof console.log != 'undefined')
console.olog = console.log;
else
console.olog = function() {};
console.log = function(message) {
console.olog(message);
if(message) {
if(message.indexOf('data:text/plain;base64,')>=0)
message='<a href="'+message+'" target="_blank">Filelink</a>';
}
document.getElementById('debugDiv').innerHTML+='<p>' + message + '</p>';
};
console.error = console.debug = console.info = console.log*/</script></head>
<link href="https://fonts.googleapis.com/css?family=Roboto:400,700" rel="stylesheet" type="text/css">
<body>
<h1>BrotliJS HTML5 Encoder/Decoder</h1>
<p>Encode</p>
<input type="file" id="file_encode" name="file_encode" title="Chose a file to encode" />
<select id="quality_encode">
<option>1</option><option>2</option><option>3</option><option>4</option><option>5</option><option>6</option><option>7</option><option>8</option><option>9</option><option>10</option><option>11</option>
</select>
<div class="drop_zone" id="drop_encode">Drop file here to encode</div>
<output id="list_encode"></output>
<p>Decode</p>
<input type="file" id="file_decode" name="file_decode" title="Chose a file to decode" />
<div class="drop_zone" id="drop_decode">Drop file here to decode</div>
<output id="list_decode"></output>
<script src="brotli.js"></script>
<script>
function Uint8ToString(u8a){
var CHUNK_SZ = 0x8000;
var c = [];
for (var i=0; i < u8a.length; i+=CHUNK_SZ) {
c.push(String.fromCharCode.apply(null, u8a.subarray(i, i+CHUNK_SZ)));
}
return c.join("");
}
function handleSelectEncode(evt) {
evt.stopPropagation();
evt.preventDefault();
var files = (typeof evt.dataTransfer!=='undefined')?evt.dataTransfer.files:evt.target.files;
var file = files[0];
var reader = new FileReader();
reader.onload = (function(theFile) {
return function(e) {
var quality = document.getElementById('quality_encode').selectedIndex+1;
var input = new Uint8Array(e.target.result);
var start = (new Date()).getTime();
var bro = new Brotli();
var output=bro.compressArray(input,quality);
var end = (new Date()).getTime();
var uncompressed_bytes =output.length;
var duration=(end-start)/1000;
var speed = uncompressed_bytes / (1024 * 1024)/duration;
var span = document.createElement('div');
span.innerHTML = 'Size: '+uncompressed_bytes+' - Brotli compression speed: '+speed.toFixed(2)+'MB/s '+(end-start)+'ms - File: (base64) <a target="_blank" href="data:application/octet-stream;base64,'+btoa(output.map(function(b){return String.fromCharCode(b)}).join(""))+'" download="'+file.name+'.brotli'+'">Filelink</a>';
document.getElementById('list_encode').appendChild(span);
};
})(file);
reader.readAsArrayBuffer(file);
}
function handleSelectDecode(evt) {
evt.stopPropagation();
evt.preventDefault();
var files = (typeof evt.dataTransfer!=='undefined')?evt.dataTransfer.files:evt.target.files;
var file = files[0];
var reader = new FileReader();
reader.onload = (function(theFile) {
return function(e) {
var input = new Uint8Array(e.target.result);
var start = (new Date()).getTime();
var bro = new Brotli();
var output=bro.decompressArray(input);
var end = (new Date()).getTime();
var uncompressed_bytes =output.length;
var duration=(end-start)/1000;
var speed = uncompressed_bytes / (1024 * 1024)/duration;
var span = document.createElement('div');
span.innerHTML = 'Size: '+output.length+' - Brotli decompression speed: '+speed.toFixed(2)+'MB/s '+(end-start)+'ms - File: (base64) <a target="_blank" href="data:application/octet-stream;base64,'+btoa(output.map(function(b){return String.fromCharCode(b)}).join(""))+'" download="'+file.name.replace(/.brotli$/, "")+'">Filelink</a>';
document.getElementById('list_decode').appendChild(span);
};
})(file);
reader.readAsArrayBuffer(file);
}
function handleDragOver(evt) {
evt.stopPropagation();
evt.preventDefault();
evt.dataTransfer.dropEffect = 'copy';
}
document.getElementById('file_encode').addEventListener('change', handleSelectEncode, false);
var dropZone = document.getElementById('drop_encode');
dropZone.addEventListener('dragover', handleDragOver, false);
dropZone.addEventListener('drop', handleSelectEncode, false);
document.getElementById('file_decode').addEventListener('change', handleSelectDecode, false);
var dropZone = document.getElementById('drop_decode');
dropZone.addEventListener('dragover', handleDragOver, false);
dropZone.addEventListener('drop', handleSelectDecode, false);
</script>
<p> </p>
<p>Develop by Dominik Homberger</p>
</body>
</html>