113 lines
3 KiB
HTML
113 lines
3 KiB
HTML
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<html>
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<head>
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<title>HexColorTime</title>
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<style>
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/*! Google fonts */
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@import url(http://fonts.googleapis.com/css?family=Source+Sans+Pro:300);
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/*! normalize.css v3.0.1 | MIT License | git.io/normalize */
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html {
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font-family: 'Source Sans Pro', sans-serif;
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-ms-text-size-adjust: 100%;
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-webkit-text-size-adjust: 100%;
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}
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body {
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color: #bbb;
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background: #000;
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transition: color .8s, background .4s;
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margin: 0;
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}
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a {
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background: transparent;
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}
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a:active,
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a:hover {
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outline: 0;
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}
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h1 {
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font-size: 2em;
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margin: 0.67em 0;
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}
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/* Our CSS */
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.vcc {
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display: table;
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height: 100%;
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margin: 0 auto;
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}
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.vc {
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display: table-cell;
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width: 320px;
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vertical-align: middle;
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}
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.vc > p {
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text-align: center;
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font-size: 3em;
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font-weight: 300;
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}
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p.footer {
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position: absolute;
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bottom: 0;
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left: 0;
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}
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</style>
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</head>
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<body id="body">
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<div class="vcc">
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<div class="vc">
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<p><span id="time"></span></p>
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<p><span id="ts">0</span></p>
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<p>#<span id="hex">000000</span></p>
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</div>
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</div>
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<p class="footer">A quick boredom project by <a href="http://terribleplan.com/">terribleplan</a> - 2014</p>
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</body>
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<script type="text/javascript">
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function getTextColor(color) {
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/*
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* Calculates perceived brightness, and returns a good text color
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* http://stackoverflow.com/a/596243
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*/
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return Math.sqrt((color.r * color.r * .299) + (color.g * color.g * .587) + (color.b * color.b * .114)) < 130 ? "#fff" : "#000";
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}
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function getRgb(colorString) {
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return {
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r: parseInt(colorString.substr(0, 2), 16),
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g: parseInt(colorString.substr(2, 2), 16),
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b: parseInt(colorString.substr(4, 2), 16)
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}
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}
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(function (time, ts, hex, body, max) {
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function update() {
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//Calculate the values we will use
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var now = new Date();
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var timestamp = Math.floor(now / 1000);
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var colorTime = timestamp % max;
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var t = ("000000" + colorTime.toString(16)).slice(-6);
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//Now use them appropriately
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body.style.color = getTextColor(getRgb(t));
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time.innerText = now.toLocaleString();
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ts.innerText = timestamp;
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body.style.backgroundColor = "#" + t;
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hex.innerText = t;
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//And continue the animation loop
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requestAnimationFrame(update);
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}
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//Run the clock
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requestAnimationFrame(update);
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})(document.getElementById("time"), document.getElementById("ts"), document.getElementById("hex"), document.getElementById("body"), 0xffffff);
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</script>
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</html>
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