[609] | 1 | <!DOCTYPE html> |
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| 2 | <html> |
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| 3 | <head> |
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| 4 | <meta charset="utf-8"> |
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| 5 | <title>Colorinator</title> |
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| 6 | <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> |
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| 7 | <meta name="viewport" content="width=410"> |
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| 8 | <!-- jQuery --> |
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| 9 | <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> |
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| 10 | <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.18/jquery-ui.min.js"></script> |
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| 11 | <!-- Wijmo CSS and script --> |
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| 12 | <link type="text/css" href="http://cdn.wijmo.com/themes/metro/jquery-wijmo.css" rel="stylesheet" title="metro-jqueryui" /> |
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| 13 | <link type="text/css" href="http://cdn.wijmo.com/jquery.wijmo-complete.all.2.1.5.min.css" rel="stylesheet" /> |
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| 14 | <script type="text/javascript" src="http://cdn.wijmo.com/jquery.wijmo-open.all.2.1.5.min.js"></script> |
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| 15 | <!-- KnockoutJS for MVVM--> |
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| 16 | <script type="text/javascript" src="http://cdn.wijmo.com/external/knockout-2.0.0.js"></script> |
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| 17 | <script type="text/javascript" src="http://cdn.wijmo.com/external/knockout.wijmo.js"></script> |
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| 18 | <script type="text/javascript"> |
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| 19 | |
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| 20 | //Create ViewModel |
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| 21 | var viewModel = function () { |
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| 22 | var self = this; |
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| 23 | self.red = ko.observable(120); |
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| 24 | self.green = ko.observable(120); |
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| 25 | self.blue = ko.observable(120); |
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| 26 | self.minRGB = ko.observable(0); |
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| 27 | self.maxRGB = ko.observable(255); |
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| 28 | self.rgbColor = ko.computed(function () { |
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| 29 | // Knockout tracks dependencies automatically. It knows that rgbColor depends on hue, saturation and lightness, because these get called when evaluating rgbColor. |
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| 30 | return "rgb(" + self.red() + ", " + self.green() + ", " + self.blue() + ")"; |
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| 31 | }, self); |
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| 32 | self.hslColor = ko.computed(function () { |
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| 33 | //Convert red, green and blue numbers to hue (degree), saturation (percentage) and lightness (percentage) |
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| 34 | var r = self.red() / 255, g = self.green() / 255, b = self.blue() / 255; |
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| 35 | var max = Math.max(r, g, b), min = Math.min(r, g, b); |
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| 36 | var h, s, l = (max + min) / 2; |
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| 37 | var hue, saturation, lightness; |
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| 38 | |
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| 39 | if (max == min) { |
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| 40 | h = s = 0; |
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| 41 | } else { |
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| 42 | var d = max - min; |
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| 43 | s = l > 0.5 ? d / (2 - max - min) : d / (max + min); |
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| 44 | switch (max) { |
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| 45 | case r: h = (g - b) / d + (g < b ? 6 : 0); break; |
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| 46 | case g: h = (b - r) / d + 2; break; |
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| 47 | case b: h = (r - g) / d + 4; break; |
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| 48 | } |
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| 49 | h /= 6; |
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| 50 | } |
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| 51 | hue = Math.round(h * 360); |
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| 52 | saturation = Math.round(s * 100) + "%"; |
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| 53 | lightness = Math.round(l * 100) + "%"; |
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| 54 | return "hsl(" + hue + ", " + saturation + ", " + lightness + ")"; |
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| 55 | }, self); |
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| 56 | |
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| 57 | self.hexColor = ko.computed({ |
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| 58 | read: function () { |
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| 59 | //Convert red, green and blue numbers to base 16 strings |
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| 60 | var r = self.red(), g = self.green(), b = self.blue(); |
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| 61 | var hex = 1 << 24 | r << 16 | g << 8 | b; |
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| 62 | return '#' + hex.toString(16).substr(1); |
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| 63 | }, |
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| 64 | write: function (value) { |
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| 65 | //This is a writable computed observable so that one can type in a hex color to update the RGB values. |
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| 66 | var r, g, b; |
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| 67 | if (value[0] === "#") { |
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| 68 | value = value.substr(1); |
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| 69 | } |
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| 70 | if (value.length < 3) { |
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| 71 | return; |
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| 72 | } |
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| 73 | else if (value.length > 6) { |
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| 74 | value = value.substr(0, 6); |
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| 75 | } |
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| 76 | else if (value.length === 3) { |
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| 77 | //Short code hex converted to full hex |
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| 78 | r = value.substr(0, 1) + value.substr(0, 1); |
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| 79 | g = value.substr(1, 1) + value.substr(1, 1); |
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| 80 | b = value.substr(2, 1) + value.substr(2, 1); |
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| 81 | value = r + g + b; |
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| 82 | } |
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| 83 | //Update ViewModel red, green and blue values |
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| 84 | self.red(parseInt(value.substr(0, 2), 16)); |
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| 85 | self.green(parseInt(value.substr(2, 2), 16)); |
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| 86 | self.blue(parseInt(value.substr(4, 2), 16)); |
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| 87 | }, |
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| 88 | owner: self |
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| 89 | }); |
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| 90 | }; |
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| 91 | |
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| 92 | //Bind ViewModel and Event Handlers |
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| 93 | $(document).ready(function () { |
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| 94 | var vm = new viewModel(); |
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| 95 | //check for hex color passed in URL |
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| 96 | getColorFromHash(); |
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| 97 | //Apply ViewModel bindings in markup |
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| 98 | ko.applyBindings(vm); |
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| 99 | //Trigger CSS3 animation to show color picker pane when ViewModel is initialized |
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| 100 | $(".wait").addClass("show").removeClass("wait"); |
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| 101 | |
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| 102 | //Check if browser supports hashchange event |
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| 103 | if ("onhashchange" in window) { |
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| 104 | window.onhashchange = getColorFromHash; |
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| 105 | } |
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| 106 | |
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| 107 | //Get hex color from URL and update ViewModel with value |
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| 108 | function getColorFromHash() { |
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| 109 | if (window.location.hash && window.location.hash != vm.hexColor()) { |
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| 110 | vm.hexColor(window.location.hash); |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | }); |
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| 115 | </script> |
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| 116 | <style type="text/css"> |
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| 117 | body |
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| 118 | { |
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| 119 | font-family: "Segoe UI Light" , Frutiger, "Frutiger Linotype" , "Dejavu Sans" , "Helvetica Neue" , Arial, sans-serif; |
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| 120 | font-size: 14px; |
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| 121 | background: #000; |
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| 122 | } |
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| 123 | h1 |
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| 124 | { |
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| 125 | font-size: 2.4em; |
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| 126 | color: #fff; |
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| 127 | padding: 20px 0 0 6px; |
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| 128 | margin: 0; |
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| 129 | } |
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| 130 | .container |
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| 131 | { |
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| 132 | margin: 0 auto; |
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| 133 | width: 400px; |
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| 134 | } |
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| 135 | .wait |
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| 136 | { |
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| 137 | height: 1px; |
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| 138 | } |
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| 139 | .show |
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| 140 | { |
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| 141 | height: 530px; |
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| 142 | -webkit-transition: all 1.2s ease-out; |
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| 143 | -moz-transition: all 1.2s ease-out; |
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| 144 | -o-transition: all 1.2s ease-out; |
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| 145 | transition: all 1.2s ease-out; |
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| 146 | } |
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| 147 | .color-picker |
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| 148 | { |
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| 149 | overflow: hidden; |
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| 150 | background: #fff; |
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| 151 | padding: 20px; |
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| 152 | box-shadow: 5px 5px 50px rgba(0, 0, 0, 0.5); |
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| 153 | } |
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| 154 | .swatch |
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| 155 | { |
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| 156 | margin: 20px; |
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| 157 | width: 320px; |
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| 158 | height: 200px; |
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| 159 | box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.5) inset; |
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| 160 | } |
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| 161 | .color-section |
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| 162 | { |
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| 163 | padding: 6px 0 0 0; |
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| 164 | } |
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| 165 | .color-label |
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| 166 | { |
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| 167 | width: 70px; |
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| 168 | display: inline-block; |
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| 169 | } |
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| 170 | .unit |
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| 171 | { |
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| 172 | width: 30px; |
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| 173 | } |
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| 174 | .color-value |
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| 175 | { |
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| 176 | width: 140px; |
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| 177 | } |
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| 178 | .color-slider |
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| 179 | { |
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| 180 | width: 200px; |
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| 181 | } |
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| 182 | .wijmo-wijslider-horizontal |
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| 183 | { |
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| 184 | display: inline-block; |
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| 185 | } |
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| 186 | </style> |
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| 187 | </head> |
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| 188 | <body data-bind="style: { background: hexColor }"> |
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| 189 | <div class="container"> |
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| 190 | <h1> |
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| 191 | Colorinator</h1> |
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| 192 | <div class="color-picker wait"> |
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| 193 | <div class="swatch" data-bind="style: { background: hexColor }"> |
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| 194 | </div> |
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| 195 | <div class="color-section"> |
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| 196 | <label class="color-label"> |
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| 197 | Red</label> |
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| 198 | <div data-bind="wijslider: { value: red, min: minRGB, max: maxRGB }" class="color-slider"> |
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| 199 | </div> |
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| 200 | <input type="text" data-bind="value: red, valueUpdate: 'keyup', wijtextbox: {}" class="unit" /> |
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| 201 | </div> |
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| 202 | <div class="color-section"> |
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| 203 | <label class="color-label"> |
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| 204 | Green</label> |
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| 205 | <div data-bind="wijslider: { value: green, min: minRGB, max: maxRGB }" class="color-slider"> |
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| 206 | </div> |
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| 207 | <input type="text" data-bind="value: green, valueUpdate: 'keyup', wijtextbox: {}" class="unit" /> |
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| 208 | </div> |
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| 209 | <div class="color-section"> |
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| 210 | <label class="color-label"> |
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| 211 | Blue</label> |
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| 212 | <div data-bind="wijslider: { value: blue, min: minRGB, max: maxRGB }" class="color-slider"> |
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| 213 | </div> |
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| 214 | <input type="text" data-bind="value: blue, valueUpdate: 'keyup', wijtextbox: {}" class="unit" /> |
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| 215 | </div> |
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| 216 | <div class="color-section"> |
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| 217 | <label class="color-label"> |
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| 218 | RGB Color</label> |
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| 219 | <input type="text" data-bind="value: rgbColor, disable: true, wijtextbox: { disabled: true }" class="color-value" /> |
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| 220 | <span data-bind="text: rgbColor"></span> |
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| 221 | </div> |
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| 222 | <div class="color-section"> |
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| 223 | <label class="color-label"> |
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| 224 | HSL Color</label> |
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| 225 | <input type="text" data-bind="value: hslColor, disable: true, wijtextbox: { disabled: true }" class="color-value" /> |
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| 226 | <span data-bind="text: hslColor"></span> |
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| 227 | </div> |
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| 228 | <div class="color-section"> |
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| 229 | <label class="color-label"> |
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| 230 | HEX Color</label> |
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| 231 | <input type="text" data-bind="value: hexColor, wijtextbox: { }" class="color-value" /> |
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| 232 | <a data-bind="text: hexColor, attr: { href: hexColor }" title="Link to this color"></a> |
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| 233 | </div> |
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| 234 | <p> |
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| 235 | Made with <a href="http://knockoutjs.com">KnockoutJS</a> and <a href="http://wijmo.com">Wijmo</a></p> |
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| 236 | </div> |
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| 237 | </div> |
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| 238 | </body> |
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| 239 | </html> |
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