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pareidoloop.html
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<html>
<head>
<title>pareidoloop</title>
<script type="text/javascript" src="ccv.js"></script>
<script type="text/javascript" src="face.js"></script>
<script type="text/javascript" src="canvas2svg.js"></script>
<script type="text/javascript" src="pareidoloop.js"></script>
<style type="text/css">
body {
padding: 24px;
font-family: helvetica;
}
div.gen {
padding: 0 0 8px 0;
margin-bottom: 8px;
}
.score {
font-size: 10px;
}
div#output {
padding: 0;
}
div#canvases {
padding: 0;
}
#output img {
margin : 0 4px 4px 0;
}
canvas {
float: left;
margin: 0 6px 0 0;
padding: 0;
background-color: #000;
}
.clear {
clear: both;
margin: 0;
padding: 0;
}
div.hr {
border-top: 1px solid #ccc;
margin-top: 8px;
margin-bottom: 8px;
padding: 4px;
}
div.input {
padding: 4px 0px 4px 0px;
}
div.input span {
padding-left: 6px;
}
.label {
font-weight: 100;
font-size: 18px;
}
.tip {
font-size: 10px;
}
#controls input {
width: 40px;
font-size: 10px;
float: left;
border: 1px solid #000;
padding: 4px;
}
h3 {
font-weight: 100;
margin-top: 0;
margin-bottom: 12px;
font-size: 18px;
}
h2 {
font-weight: 100;
font-size: 36px;
}
button {
width: 100px;
background: #000;
color: #fff;
font-weight: 100;
border-color: #000;
padding: 8px;
margin-left: 0px;
}
button:active {
border-color: #fff #fff #fff #fff;
}
input[type=checkbox] {
display: none;
}
input[type=checkbox]:checked + label span.y {
display: inline;
}
input[type=checkbox]:checked + label span.n {
display: none;
}
input[type=checkbox] + label span.n {
display: inline;
}
input[type=checkbox] + label span.y {
display: none;
}
label span.u {
text-decoration: underline;
}
a {
color: black;
}
</style>
</head>
<body>
<h2>pareidoloop</h2>
<div id="controls">
<div class="input">
<input id="input-image-size" type="text" value="50"/>
<span class="label">output size</span><span class="tip">(to render finished faces)</span>
<div class="clear"></div>
</div>
<div class="input">
<input id="input-target-fitness" type="text" value="27.5"/>
<span class="label">target fitness</span><span class="tip">(lower is faster, max 35)</span>
<div class="clear"></div>
</div>
<div class="input">
<input id="input-max-gens" type="text" value="6000"/>
<span class="label">max generations</span><span class="tip">(cut-off if target not reached)</span>
<div class="clear"></div>
</div>
<div class="input">
<button id="input-button" type="button">commence</button>
<div class="clear"></div>
</div>
</div>
<div class="hr"></div>
<div id="canvases">
<div class="gen">
<canvas id="canvasB" width="50" height="50"></canvas>
<div>
<h3>current generation</h3>
<span id="scoreB" class="score"></span>
</div>
<div class="clear"></div>
</div>
<div class="gen">
<canvas id="canvasA" width="50" height="50"></canvas>
<div>
<h3>fittest generation</h3>
<span id="scoreA" class="score"></span>
</div>
<div class="clear"></div>
</div>
</div>
<div class="hr"></div>
<div id="output"></div>
<span class="tip"><a href="https://github.com/phl/pareidoloop/blob/master/README.md">about</a> |
<input id="svg-checkbox" type="checkbox"/><label for="svg-checkbox"><span class="u">output:</span> <span class="y">svg</span><span class="n">png</span></label> |
<input id="save-checkbox" type="checkbox"/><label for="save-checkbox"><span class="u">autosave images:</span> <span class="y">yes (chrome only)</span><span class="n">no</span></label></span>
<script type="text/javascript">
var inputImageSize = document.getElementById("input-image-size");
var inputTargetFitness = document.getElementById("input-target-fitness");
var inputMaxGens = document.getElementById("input-max-gens");
var running = false;
var inputButton = document.getElementById("input-button");
var svgCheckbox = document.getElementById("svg-checkbox");
var saveCheckbox = document.getElementById("save-checkbox");
var output = document.getElementById("output");
inputButton.onclick = function() {
if (running) {
Pareidoloop.stop();
running = false;
inputButton.innerHTML = "commence";
} else {
var go = true;
var imageSize = parseInt(inputImageSize.value);
if (isNaN(imageSize) || imageSize < 1) {
inputImageSize.style.borderColor = "#f00";
go = false;
} else {
inputImageSize.style.borderColor = "#000";
}
var targetFitness = parseFloat(inputTargetFitness.value);
if (isNaN(targetFitness) || targetFitness <= 0 || targetFitness > 35) {
inputTargetFitness.style.borderColor = "#f00";
go = false;
} else {
inputTargetFitness.style.borderColor = "#000";
}
var maxGens = parseInt(inputMaxGens.value);
if (isNaN(maxGens) || maxGens <= 0) {
inputMaxGens.style.borderColor = "#f00";
go = false;
} else {
inputMaxGens.style.borderColor = "#000";
}
var outputFormat = svgCheckbox.checked ? "svg" : "png";
if (go) {
Pareidoloop.start({outputCallback: renderImage, outputSize: imageSize, outputFormat: outputFormat, confidenceThreshold: targetFitness, maxGenerations: maxGens});
inputButton.innerHTML = "cease";
running = true;
}
}
}
svgCheckbox.onchange = function() {
Pareidoloop.setOutputFormat(svgCheckbox.checked ? "svg" : "png");
}
function renderImage(image) {
output.appendChild(image);
if (!saveCheckbox.checked) return;
var downloader = document.getElementById('downloader');
if (!downloader) {
downloader = document.createElement('div');
downloader.id = 'downloader';
downloader.style.display = 'none';
}
document.body.appendChild(downloader);
while (downloader.children.length > 0) {
downloader.removeChild(downloader.children[downloader.children.length - 1]);
}
var anchor = document.createElement('a');
anchor.href = image.src;
anchor.target = "_blank";
anchor.download = getDefaultFilename(image);
downloader.appendChild(anchor);
anchor.click();
document.body.removeChild(downloader);
}
function getDefaultFilename(img) {
var hash = 0;
var str = img.src;
if (!str || str.length == 0) return "face";
for (i = 0; i < str.length; i++) {
char = str.charCodeAt(i);
hash = ((hash<<5)-hash)+char;
hash = (hash & hash) >>> 0;
}
return "face-" + img.width + "x" + img.height + "-" + hash.toString(36) + (svgCheckbox.checked ? ".svg" : ".png");
}
</script>
</body>
</html>