randomcolor - npm Package Compare versions

Comparing version 0.5.3 to 0.5.4

package.json

 {
   "name": "randomcolor",
-  "version": "0.5.3",
+  "version": "0.5.4",
   "description": "A tiny script for generating attractive random colors",
@@ -10,14 +10,21 @@ "main": "randomColor.js",
   },
-  "keywords": ["attractive", "random", "color", "generator"],
+  "files": [
+  ],
+  "keywords": [
+    "attractive",
+    "random",
+    "color",
+    "generator"
+  ],
   "author": "David Merfield",
   "license": "CC0",
-  "bugs": {"url": "https://github.com/davidmerfield/randomColor/issues"},
-  "homepage": "https://randomcolor.llllll.li/",
-  "spm": {"main": "randomColor.js"},
-  "devDependencies": {
-    "cheerio": "^0.19.0",
-    "highlight": "^0.2.3",
-    "highlight.js": "^8.7.0",
-    "html-minifier": "^0.7.2"
-  }
+  "bugs": {
+    "url": "https://github.com/davidmerfield/randomColor/issues"
+  },
+  "homepage": "https://randomcolor.lllllllllllllllll.com/",
+  "spm": {
+    "main": "randomColor.js"
+  },
+  "devDependencies": {},
+  "dependencies": {}
 }

randomColor.js

@@ -38,2 +38,5 @@ // randomColor by David Merfield under the CC0 license
 
+  // check if a range is taken
+  var colorRanges = [];
+
   var randomColor = function (options) {
@@ -68,3 +71,6 @@
           colors = [];
-
+      // Value false at index i means the range i is not taken yet.
+      for (var i = 0; i < options.count; i++) {
+        colorRanges.push(false)
+        }
       options.count = null;
@@ -100,13 +106,43 @@
 
-  function pickHue (options) {
+  function pickHue(options) {
+    if (colorRanges.length > 0) {
+      var hueRange = getRealHueRange(options.hue)
 
-    var hueRange = getHueRange(options.hue),
-        hue = randomWithin(hueRange);
+      var hue = randomWithin(hueRange)
 
-    // Instead of storing red as two seperate ranges,
-    // we group them, using negative numbers
-    if (hue < 0) {hue = 360 + hue;}
+      //Each of colorRanges.length ranges has a length equal approximatelly one step
+      var step = (hueRange[1] - hueRange[0]) / colorRanges.length
 
-    return hue;
+      var j = parseInt((hue - hueRange[0]) / step)
 
+      //Check if the range j is taken
+      if (colorRanges[j] === true) {
+        j = (j + 2) % colorRanges.length
+      }
+      else {
+        colorRanges[j] = true
+           }
+
+      var min = (hueRange[0] + j * step) % 359,
+          max = (hueRange[0] + (j + 1) * step) % 359;
+
+      hueRange = [min, max]
+
+      hue = randomWithin(hueRange)
+
+      if (hue < 0) {hue = 360 + hue;}
+      return hue
+    }
+    else {
+      var hueRange = getHueRange(options.hue)
+
+      hue = randomWithin(hueRange);
+      // Instead of storing red as two seperate ranges,
+      // we group them, using negative numbers
+      if (hue < 0) {
+        hue = 360 + hue;
+      }
+
+      return hue;
+    }
   }
@@ -284,3 +320,8 @@
     if (seed === null) {
-      return Math.floor(range[0] + Math.random()*(range[1] + 1 - range[0]));
+      //generate random evenly destinct number from : https://martin.ankerl.com/2009/12/09/how-to-create-random-colors-programmatically/
+      var golden_ratio = 0.618033988749895
+      var r=Math.random()
+      r += golden_ratio
+      r %= 1
+      return Math.floor(range[0] + r*(range[1] + 1 - range[0]));
     } else {
@@ -293,3 +334,3 @@ //Seeded random algorithm from http://indiegamr.com/generate-repeatable-random-numbers-in-js/
       return Math.floor(min + rnd * (max - min));
-    }
+}
   }
@@ -457,3 +498,28 @@
 
+  // get The range of given hue when options.count!=0
+  function getRealHueRange(colorHue)
+  { if (!isNaN(colorHue)) {
+    var number = parseInt(colorHue);
+
+    if (number < 360 && number > 0) {
+      return getColorInfo(colorHue).hueRange
+    }
+  }
+    else if (typeof colorHue === 'string') {
+
+      if (colorDictionary[colorHue]) {
+        var color = colorDictionary[colorHue];
+
+        if (color.hueRange) {
+          return color.hueRange
+       }
+    } else if (colorHue.match(/^#?([0-9A-F]{3}|[0-9A-F]{6})$/i)) {
+        var hue = HexToHSB(colorHue)[0]
+        return getColorInfo(hue).hueRange
+    }
+  }
+
+    return [0,360]
+}
   return randomColor;
 }));

README.md

@@ -1,6 +0,6 @@
-# [Random Color](http://llllll.li/randomColor)
+# [Random Color](https://randomcolor.lllllllllllllllll.com)
 
-A tiny script for generating attractive random colors. See the demo for [an explanation](http://llllll.li/randomColor/) and [some samples](http://llllll.li/randomColor/). randomColor has been ported to [C#](https://github.com/nathanpjones/randomColorSharped), [C++](https://github.com/xuboying/randomcolor-cpp), [Go](https://github.com/hansrodtang/randomcolor), [PHP](https://github.com/mistic100/RandomColor.php), [Python](https://github.com/kevinwuhoo/randomcolor-py), [Swift](https://github.com/onevcat/RandomColorSwift), [Objective-C](https://github.com/yageek/randomColor), [Java](https://github.com/lzyzsd/AndroidRandomColor) and [R](https://github.com/ronammar/randomcoloR).
+A tiny script for generating attractive random colors. See the demo for [an explanation](https://randomcolor.lllllllllllllllll.com) and [some samples](https://randomcolor.lllllllllllllllll.com). randomColor has been ported to [C#](https://github.com/nathanpjones/randomColorSharped), [C++](https://github.com/xuboying/randomcolor-cpp), [Go](https://github.com/hansrodtang/randomcolor), [Haskell](http://hackage.haskell.org/package/palette-0.3/docs/Data-Colour-Palette-RandomColor.html), [PHP](https://github.com/mistic100/RandomColor.php), [Python](https://github.com/kevinwuhoo/randomcolor-py), [Swift](https://github.com/onevcat/RandomColorSwift), [Perl6](https://github.com/Xliff/p6-RandomColor), [Objective-C](https://github.com/yageek/randomColor), [Java](https://github.com/lzyzsd/AndroidRandomColor), [R](https://github.com/ronammar/randomcoloR) and [Rust](https://github.com/elementh/random_color).
 
-[![Demo](http://i.imgur.com/lOLCqvu.gif)](http://llllll.li/randomColor)
+[![Demo](http://i.imgur.com/lOLCqvu.gif)](https://randomcolor.lllllllllllllllll.com)
 
@@ -95,16 +95,24 @@ To use randomColor **in the browser**, download the [latest minified version of randomColor](http://cdnjs.com/libraries/randomcolor) and include it on your page. Then call the script:
 
-0. use this on the demo
+1. Use this on the demo
 http://jsfiddle.net/dpLp318f/
 https://www.vis4.net/blog/posts/avoid-equidistant-hsv-colors/
 https://www.vis4.net/blog/posts/mastering-multi-hued-color-scales/
-1. When returning an array of multiple colors, try to make each color as distinct as possible. Make sure each color is distinct to its neighbours.
-2. Improve attractive dark color generation, currently they're a touch murky.
-3. Improve the color dictionary
+2. When returning an array of multiple colors, try to make each color as distinct as possible. Make sure each color is distinct to its neighbours.
+3. Improve attractive dark color generation, currently they're a touch murky.
+4. Improve the color dictionary
   - definition of hue values and attractive luminosity bounds
   - think about how to store hue aliases (e.g. fuschia) or subranges (e.g teal)
   - think about making a little point and click tool for defining your own luminosity bounds and customizing the color dictionary
-4. Think about how to return seeds.
-5. Think about adding feature to return complementary & contrasting colors, as well as color triads, tetrads etc. Other libraries might already do this better though.
-6. Think about adding a scheme options which would return a dominant color, as well as secondary, tertiary color and primary and secondary text colors. This might be a bad idea.
-7. Add a nice visualization of the 'attractive color space' to the demo https://www.youtube.com/watch?v=x0-qoXOCOow
-7. Add a feature to return random colors close to a provided hex 
+5. Think about how to return seeds.
+6. Think about adding feature to return complementary & contrasting colors, as well as color triads, tetrads etc. Other libraries might already do this better though.
+7. Think about adding a scheme options which would return a dominant color, as well as secondary, tertiary color and primary and secondary text colors. This might be a bad idea.
+8. Add a nice visualization of the 'attractive color space' to the demo https://www.youtube.com/watch?v=x0-qoXOCOow
+9. Add a feature to return random colors close to a provided hex 
+
+## In use
+
+* [The Daily Show](http://maketrumptweetseightagain.com/) used it to make an extension which [converts Trump's tweets into a child's scribble](https://twitter.com/riseuphes/status/929579600354693120).
+* [Initial.js](https://github.com/judesfernando/initial.js) used it to generate Gmail-style avatars.
+* [ng2-Logger](https://github.com/darekf77/ng2-logger) used it to make logs a little more colorful.
+
+Did you use randomColor.js for something? [Tell me about it](https://lllllllllllllllll.com).

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