Spectrum/index.html at master · DaveAtDog/Spectrum · GitHub

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Spectrum</title>
  <meta name="description" content="The HTML5 Herald">
  <meta name="author" content="DogDigital">
  <style type="text/css">
  	*
  	{
  		padding: 0;
  		margin: 0;
  	}

	html
	{
		font-family: helvetica, arial, sans-serif;
		font-size: 14px;
		color: #333;
		background-color: #eee;
		text-shadow: 1px 1px 1px #fff;
		padding: 10px;
	}

	dl
	{
		padding-top: 20px;
	}

	dt
	{
		font-weight: bold;
		margin-bottom: 10px;
	}

	input
	{
		width: 120px;
		margin-bottom: 10px;
	}

	dd{
		margin-bottom: 10px;

	}

	label
	{
		display: block;
    	float: left;
    	width: 120px;
	}

	#hexinputErrorOutput
	{
		padding-left: 20px;
	}

	h1
	{
		font-weight: normal;
		font-size: 32px;
	}

	h2
	{
		font-weight: normal;
		font-size: 18px;
		margin-bottom: 20px;
	}

	</style>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
  <!--[if lt IE 9]>
  <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
  <![endif]-->
  <script type="text/javascript">
		function getIdRef(id)
		{
			return eval($('#' + id).attr('id'));
		}

		function init()
		{
			resetHexInputError();

			$("#hexinput").change(function()
			{
				var cleanHex = stripInput($(this).val());
				var rgbObj = hexToRgbObj(cleanHex);

				if(rgbObj != null)
				{
					$("#xcodeOutput").html(generateXcodeOutput(rgbObj));
					$("#cssRGBAOutput").html(generateCSSRGBAOutput(rgbObj));
					$("#cleanHexOutput").html(cleanHex);
					$("#cleanHexOutputColour").css("background-color","#" + cleanHex);

					resetHexInputError();

				}
					else
				{
					$("#hexinputErrorOutput").html("Number out of bounds");
					$("#cleanHexOutput").html("&nbsp;");
					$("#cleanHexOutputColour").css("background-color","#ffffff");
				}

			});
		}

		function resetHexInputError()
		{
			$("#hexinputErrorOutput").html("e.g #c0ffee");
		}

		function hexToRgbObj(hex)
		{
		    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
		    return result ? {
		        r: parseInt(result[1], 16),
		        g: parseInt(result[2], 16),
		        b: parseInt(result[3], 16)
		    } : null;
		}

		function generateXcodeOutput(rgbObj)
		{
			return "[[UIColor alloc] initWithRed:" + rgbObj.r/255 + "f green:" + rgbObj.g/255 + "f blue:" + rgbObj.b/255 + "f alpha:1f];";
		}

		function generateCSSRGBAOutput(rgbObj)
		{
			return "background: rgba(" + rgbObj.r + ", " + rgbObj.g + ", " + rgbObj.b + ", 1);";
		}

		function stripInput(input)
		{
			return input.substring(input.length - 6);
		}

		window.log = function()
		{
		  log.history = log.history || [];   // store logs to an array for reference
		  log.history.push(arguments);
		  if(this.console)
		  {
				console.log( Array.prototype.slice.call(arguments));
		  }
		};
	</script>
</head>
<body>
	<script>$(document).ready(function(){init();});</script>
	<h1>Spectrum</h1>
	<h2>Converts HEX into other colour formats</h2>
	<div><label for="hexinput">Input HEX</label><input id="hexinput" type="text" value=""><span id="hexinputErrorOutput"></span></div>
	<div><label for="cleanHexOutputColour" id="cleanHexOutput">&nbsp;</label><input id="cleanHexOutputColour" type="text" value="" disabled="disabled"></div>
	<div>
		<dl>
			<dt>CSS RGBA</dt>
			<dd id="cssRGBAOutput">&nbsp;</dd>
			<dt>XCode UIColor RGBA Object</dt>
			<dd id="xcodeOutput">&nbsp;</dd>
		</dl>
	</div>
	</body>
</html>