Color.js.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<title>API: colorpicker Color.js (YUI Library)</title>
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<a href="http://developer.yahoo.com/yui/"><h1>Yahoo! UI Library</h1></a>
<h3>colorpicker <span class="subtitle">2.3.1</span></h3>
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<a href="./index.html">Yahoo! UI Library</a>
> <a href="./module_colorpicker.html">colorpicker</a>
> Color.js (source view)
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<div class="highlight" ><pre><span class="c">/**</span>
<span class="c"> * Provides color conversion and validation utils</span>
<span class="c"> * @class YAHOO.util.Color</span>
<span class="c"> * @namespace YAHOO.util</span>
<span class="c"> */</span>
<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">Color</span> <span class="o">=</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">HCHARS</span><span class="o">=</span><span class="s2">"0123456789ABCDEF"</span><span class="o">,</span> <span class="nx">lang</span><span class="o">=</span><span class="nx">YAHOO</span><span class="o">.</span><span class="nx">lang</span><span class="o">;</span>
<span class="k">return</span> <span class="o">{</span>
<span class="c">/**</span>
<span class="c"> * Converts 0-1 to 0-255</span>
<span class="c"> * @method real2dec</span>
<span class="c"> * @param n {float} the number to convert</span>
<span class="c"> * @return {int} a number 0-255</span>
<span class="c"> */</span>
<span class="nx">real2dec</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">n</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">min</span><span class="o">(</span><span class="m">255</span><span class="o">,</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">round</span><span class="o">(</span><span class="nx">n</span><span class="o">*</span><span class="m">256</span><span class="o">));</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Converts HSV (h[0-360], s[0-1]), v[0-1] to RGB [255,255,255]</span>
<span class="c"> * @method hsv2rgb</span>
<span class="c"> * @param h {int|[int, float, float]} the hue, or an</span>
<span class="c"> * array containing all three parameters</span>
<span class="c"> * @param s {float} the saturation</span>
<span class="c"> * @param v {float} the value/brightness</span>
<span class="c"> * @return {[int, int, int]} the red, green, blue values in</span>
<span class="c"> * decimal.</span>
<span class="c"> */</span>
<span class="nx">hsv2rgb</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">h</span><span class="o">,</span> <span class="nx">s</span><span class="o">,</span> <span class="nx">v</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">lang</span><span class="o">.</span><span class="nx">isArray</span><span class="o">(</span><span class="nx">h</span><span class="o">))</span> <span class="o">{</span>
<span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">hsv2rgb</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">h</span><span class="o">[</span><span class="m">0</span><span class="o">],</span> <span class="nx">h</span><span class="o">[</span><span class="m">1</span><span class="o">],</span> <span class="nx">h</span><span class="o">[</span><span class="m">2</span><span class="o">]);</span>
<span class="o">}</span>
<span class="k">var</span> <span class="nx">r</span><span class="o">,</span> <span class="nx">g</span><span class="o">,</span> <span class="nx">b</span><span class="o">,</span> <span class="nx">i</span><span class="o">,</span> <span class="nx">f</span><span class="o">,</span> <span class="nx">p</span><span class="o">,</span> <span class="nx">q</span><span class="o">,</span> <span class="nx">t</span><span class="o">;</span>
<span class="nx">i</span> <span class="o">=</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">floor</span><span class="o">((</span><span class="nx">h</span><span class="o">/</span><span class="m">60</span><span class="o">)%</span><span class="m">6</span><span class="o">);</span>
<span class="nx">f</span> <span class="o">=</span> <span class="o">(</span><span class="nx">h</span><span class="o">/</span><span class="m">60</span><span class="o">)-</span><span class="nx">i</span><span class="o">;</span>
<span class="nx">p</span> <span class="o">=</span> <span class="nx">v</span><span class="o">*(</span><span class="m">1</span><span class="o">-</span><span class="nx">s</span><span class="o">);</span>
<span class="nx">q</span> <span class="o">=</span> <span class="nx">v</span><span class="o">*(</span><span class="m">1</span><span class="o">-</span><span class="nx">f</span><span class="o">*</span><span class="nx">s</span><span class="o">);</span>
<span class="nx">t</span> <span class="o">=</span> <span class="nx">v</span><span class="o">*(</span><span class="m">1</span><span class="o">-(</span><span class="m">1</span><span class="o">-</span><span class="nx">f</span><span class="o">)*</span><span class="nx">s</span><span class="o">);</span>
<span class="nx">switch</span><span class="o">(</span><span class="nx">i</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">case</span> <span class="m">0</span><span class="o">:</span> <span class="nx">r</span><span class="o">=</span><span class="nx">v</span><span class="o">;</span> <span class="nx">g</span><span class="o">=</span><span class="nx">t</span><span class="o">;</span> <span class="nx">b</span><span class="o">=</span><span class="nx">p</span><span class="o">;</span> <span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="m">1</span><span class="o">:</span> <span class="nx">r</span><span class="o">=</span><span class="nx">q</span><span class="o">;</span> <span class="nx">g</span><span class="o">=</span><span class="nx">v</span><span class="o">;</span> <span class="nx">b</span><span class="o">=</span><span class="nx">p</span><span class="o">;</span> <span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="m">2</span><span class="o">:</span> <span class="nx">r</span><span class="o">=</span><span class="nx">p</span><span class="o">;</span> <span class="nx">g</span><span class="o">=</span><span class="nx">v</span><span class="o">;</span> <span class="nx">b</span><span class="o">=</span><span class="nx">t</span><span class="o">;</span> <span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="m">3</span><span class="o">:</span> <span class="nx">r</span><span class="o">=</span><span class="nx">p</span><span class="o">;</span> <span class="nx">g</span><span class="o">=</span><span class="nx">q</span><span class="o">;</span> <span class="nx">b</span><span class="o">=</span><span class="nx">v</span><span class="o">;</span> <span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="m">4</span><span class="o">:</span> <span class="nx">r</span><span class="o">=</span><span class="nx">t</span><span class="o">;</span> <span class="nx">g</span><span class="o">=</span><span class="nx">p</span><span class="o">;</span> <span class="nx">b</span><span class="o">=</span><span class="nx">v</span><span class="o">;</span> <span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="m">5</span><span class="o">:</span> <span class="nx">r</span><span class="o">=</span><span class="nx">v</span><span class="o">;</span> <span class="nx">g</span><span class="o">=</span><span class="nx">p</span><span class="o">;</span> <span class="nx">b</span><span class="o">=</span><span class="nx">q</span><span class="o">;</span> <span class="k">break</span><span class="o">;</span>
<span class="o">}</span>
<span class="k">var</span> <span class="nx">fn</span><span class="o">=</span><span class="k">this</span><span class="o">.</span><span class="nx">real2dec</span><span class="o">;</span>
<span class="k">return</span> <span class="o">[</span><span class="nx">fn</span><span class="o">(</span><span class="nx">r</span><span class="o">),</span> <span class="nx">fn</span><span class="o">(</span><span class="nx">g</span><span class="o">),</span> <span class="nx">fn</span><span class="o">(</span><span class="nx">b</span><span class="o">)];</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Converts to RGB [255,255,255] to HSV (h[0-360], s[0-1]), v[0-1]</span>
<span class="c"> * @method rgb2hsv</span>
<span class="c"> * @param r {int|[int, int, int]} the red value, or an</span>
<span class="c"> * array containing all three parameters</span>
<span class="c"> * @param g {int} the green value</span>
<span class="c"> * @param b {int} the blue value</span>
<span class="c"> * @return {[int, float, float]} the value converted to hsv</span>
<span class="c"> */</span>
<span class="nx">rgb2hsv</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">r</span><span class="o">,</span> <span class="nx">g</span><span class="o">,</span> <span class="nx">b</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">lang</span><span class="o">.</span><span class="nx">isArray</span><span class="o">(</span><span class="nx">r</span><span class="o">))</span> <span class="o">{</span>
<span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">rgb2hsv</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">r</span><span class="o">[</span><span class="m">0</span><span class="o">],</span> <span class="nx">r</span><span class="o">[</span><span class="m">1</span><span class="o">],</span> <span class="nx">r</span><span class="o">[</span><span class="m">2</span><span class="o">]);</span>
<span class="o">}</span>
<span class="nx">r</span><span class="o">=</span><span class="nx">r</span><span class="o">/</span><span class="m">255</span><span class="o">;</span>
<span class="nx">g</span><span class="o">=</span><span class="nx">g</span><span class="o">/</span><span class="m">255</span><span class="o">;</span>
<span class="nx">b</span><span class="o">=</span><span class="nx">b</span><span class="o">/</span><span class="m">255</span><span class="o">;</span>
<span class="k">var</span> <span class="nx">min</span><span class="o">,</span><span class="nx">max</span><span class="o">,</span><span class="nx">delta</span><span class="o">,</span><span class="nx">h</span><span class="o">,</span><span class="nx">s</span><span class="o">,</span><span class="nx">v</span><span class="o">;</span>
<span class="nx">min</span> <span class="o">=</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">min</span><span class="o">(</span><span class="nb">Math</span><span class="o">.</span><span class="nx">min</span><span class="o">(</span><span class="nx">r</span><span class="o">,</span><span class="nx">g</span><span class="o">),</span><span class="nx">b</span><span class="o">);</span>
<span class="nx">max</span> <span class="o">=</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">max</span><span class="o">(</span><span class="nb">Math</span><span class="o">.</span><span class="nx">max</span><span class="o">(</span><span class="nx">r</span><span class="o">,</span><span class="nx">g</span><span class="o">),</span><span class="nx">b</span><span class="o">);</span>
<span class="nx">delta</span> <span class="o">=</span> <span class="nx">max</span><span class="o">-</span><span class="nx">min</span><span class="o">;</span>
<span class="nx">switch</span> <span class="o">(</span><span class="nx">max</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">case</span> <span class="nx">min</span><span class="o">:</span> <span class="nx">h</span><span class="o">=</span><span class="m">0</span><span class="o">;</span> <span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="nx">r</span><span class="o">:</span> <span class="nx">h</span><span class="o">=</span><span class="m">60</span><span class="o">*(</span><span class="nx">g</span><span class="o">-</span><span class="nx">b</span><span class="o">)/</span><span class="nx">delta</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">g</span><span class="o"><</span><span class="nx">b</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">h</span><span class="o">+=</span><span class="m">360</span><span class="o">;</span>
<span class="o">}</span>
<span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="nx">g</span><span class="o">:</span> <span class="nx">h</span><span class="o">=(</span><span class="m">60</span><span class="o">*(</span><span class="nx">b</span><span class="o">-</span><span class="nx">r</span><span class="o">)/</span><span class="nx">delta</span><span class="o">)+</span><span class="m">120</span><span class="o">;</span> <span class="k">break</span><span class="o">;</span>
<span class="nx">case</span> <span class="nx">b</span><span class="o">:</span> <span class="nx">h</span><span class="o">=(</span><span class="m">60</span><span class="o">*(</span><span class="nx">r</span><span class="o">-</span><span class="nx">g</span><span class="o">)/</span><span class="nx">delta</span><span class="o">)+</span><span class="m">240</span><span class="o">;</span> <span class="k">break</span><span class="o">;</span>
<span class="o">}</span>
<span class="nx">s</span> <span class="o">=</span> <span class="o">(</span><span class="nx">max</span> <span class="o">===</span> <span class="m">0</span><span class="o">)</span> <span class="o">?</span> <span class="m">0</span> <span class="o">:</span> <span class="m">1</span><span class="o">-(</span><span class="nx">min</span><span class="o">/</span><span class="nx">max</span><span class="o">);</span>
<span class="k">var</span> <span class="nx">hsv</span> <span class="o">=</span> <span class="o">[</span><span class="nb">Math</span><span class="o">.</span><span class="nx">round</span><span class="o">(</span><span class="nx">h</span><span class="o">),</span> <span class="nx">s</span><span class="o">,</span> <span class="nx">max</span><span class="o">];</span>
<span class="k">return</span> <span class="nx">hsv</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Converts decimal rgb values into a hex string</span>
<span class="c"> * 255,255,255 -> FFFFFF</span>
<span class="c"> * @method rgb2hex</span>
<span class="c"> * @param r {int|[int, int, int]} the red value, or an</span>
<span class="c"> * array containing all three parameters</span>
<span class="c"> * @param g {int} the green value</span>
<span class="c"> * @param b {int} the blue value</span>
<span class="c"> * @return {string} the hex string</span>
<span class="c"> */</span>
<span class="nx">rgb2hex</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">r</span><span class="o">,</span> <span class="nx">g</span><span class="o">,</span> <span class="nx">b</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">lang</span><span class="o">.</span><span class="nx">isArray</span><span class="o">(</span><span class="nx">r</span><span class="o">))</span> <span class="o">{</span>
<span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">rgb2hex</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">r</span><span class="o">[</span><span class="m">0</span><span class="o">],</span> <span class="nx">r</span><span class="o">[</span><span class="m">1</span><span class="o">],</span> <span class="nx">r</span><span class="o">[</span><span class="m">2</span><span class="o">]);</span>
<span class="o">}</span>
<span class="k">var</span> <span class="nx">f</span><span class="o">=</span><span class="k">this</span><span class="o">.</span><span class="nx">dec2hex</span><span class="o">;</span>
<span class="k">return</span> <span class="nx">f</span><span class="o">(</span><span class="nx">r</span><span class="o">)</span> <span class="o">+</span> <span class="nx">f</span><span class="o">(</span><span class="nx">g</span><span class="o">)</span> <span class="o">+</span> <span class="nx">f</span><span class="o">(</span><span class="nx">b</span><span class="o">);</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Converts an int 0...255 to hex pair 00...FF</span>
<span class="c"> * @method dec2hex</span>
<span class="c"> * @param n {int} the number to convert</span>
<span class="c"> * @return {string} the hex equivalent</span>
<span class="c"> */</span>
<span class="nx">dec2hex</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">n</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">n</span> <span class="o">=</span> <span class="nb">parseInt</span><span class="o">(</span><span class="nx">n</span><span class="o">,</span> <span class="m">10</span><span class="o">);</span>
<span class="nx">n</span> <span class="o">=</span> <span class="o">(</span><span class="nx">lang</span><span class="o">.</span><span class="nx">isNumber</span><span class="o">(</span><span class="nx">n</span><span class="o">))</span> <span class="o">?</span> <span class="nx">n</span> <span class="o">:</span> <span class="m">0</span><span class="o">;</span>
<span class="nx">n</span> <span class="o">=</span> <span class="o">(</span><span class="nx">n</span> <span class="o">></span> <span class="m">255</span> <span class="o">||</span> <span class="nx">n</span> <span class="o"><</span> <span class="m">0</span><span class="o">)</span> <span class="o">?</span> <span class="m">0</span> <span class="o">:</span> <span class="nx">n</span><span class="o">;</span>
<span class="k">return</span> <span class="nx">HCHARS</span><span class="o">.</span><span class="nx">charAt</span><span class="o">((</span><span class="nx">n</span> <span class="o">-</span> <span class="nx">n</span> <span class="o">%</span> <span class="m">16</span><span class="o">)</span> <span class="o">/</span> <span class="m">16</span><span class="o">)</span> <span class="o">+</span> <span class="nx">HCHARS</span><span class="o">.</span><span class="nx">charAt</span><span class="o">(</span><span class="nx">n</span> <span class="o">%</span> <span class="m">16</span><span class="o">);</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Converts a hex pair 00...FF to an int 0...255 </span>
<span class="c"> * @method hex2dec</span>
<span class="c"> * @param str {string} the hex pair to convert</span>
<span class="c"> * @return {int} the decimal</span>
<span class="c"> */</span>
<span class="nx">hex2dec</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">str</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">f</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">c</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="nx">HCHARS</span><span class="o">.</span><span class="nx">indexOf</span><span class="o">(</span><span class="nx">c</span><span class="o">.</span><span class="nx">toUpperCase</span><span class="o">());</span>
<span class="o">};</span>
<span class="k">var</span> <span class="nx">s</span><span class="o">=</span><span class="nx">str</span><span class="o">.</span><span class="nx">split</span><span class="o">(</span><span class="s1">''</span><span class="o">);</span>
<span class="k">return</span> <span class="o">((</span><span class="nx">f</span><span class="o">(</span><span class="nx">s</span><span class="o">[</span><span class="m">0</span><span class="o">])</span> <span class="o">*</span> <span class="m">16</span><span class="o">)</span> <span class="o">+</span> <span class="nx">f</span><span class="o">(</span><span class="nx">s</span><span class="o">[</span><span class="m">1</span><span class="o">]));</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Converts a hex string to rgb</span>
<span class="c"> * @method hex2rgb</span>
<span class="c"> * @param str {string} the hex string</span>
<span class="c"> * @return {[int, int, int]} an array containing the rgb values</span>
<span class="c"> */</span>
<span class="nx">hex2rgb</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">s</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">f</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">hex2dec</span><span class="o">;</span>
<span class="k">return</span> <span class="o">[</span><span class="nx">f</span><span class="o">(</span><span class="nx">s</span><span class="o">.</span><span class="nx">substr</span><span class="o">(</span><span class="m">0</span><span class="o">,</span> <span class="m">2</span><span class="o">)),</span> <span class="nx">f</span><span class="o">(</span><span class="nx">s</span><span class="o">.</span><span class="nx">substr</span><span class="o">(</span><span class="m">2</span><span class="o">,</span> <span class="m">2</span><span class="o">)),</span> <span class="nx">f</span><span class="o">(</span><span class="nx">s</span><span class="o">.</span><span class="nx">substr</span><span class="o">(</span><span class="m">4</span><span class="o">,</span> <span class="m">2</span><span class="o">))];</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Returns the closest websafe color to the supplied rgb value.</span>
<span class="c"> * @method websafe</span>
<span class="c"> * @param r {int|[int, int, int]} the red value, or an</span>
<span class="c"> * array containing all three parameters</span>
<span class="c"> * @param g {int} the green value</span>
<span class="c"> * @param b {int} the blue value</span>
<span class="c"> * @return {[int, int, int]} an array containing the closes</span>
<span class="c"> * websafe rgb colors.</span>
<span class="c"> */</span>
<span class="nx">websafe</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">r</span><span class="o">,</span> <span class="nx">g</span><span class="o">,</span> <span class="nx">b</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">lang</span><span class="o">.</span><span class="nx">isArray</span><span class="o">(</span><span class="nx">r</span><span class="o">))</span> <span class="o">{</span>
<span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">websafe</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">r</span><span class="o">[</span><span class="m">0</span><span class="o">],</span> <span class="nx">r</span><span class="o">[</span><span class="m">1</span><span class="o">],</span> <span class="nx">r</span><span class="o">[</span><span class="m">2</span><span class="o">]);</span>
<span class="o">}</span>
<span class="c">// returns the closest match [0, 51, 102, 153, 204, 255]</span>
<span class="c"></span> <span class="k">var</span> <span class="nx">f</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">v</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">lang</span><span class="o">.</span><span class="nx">isNumber</span><span class="o">(</span><span class="nx">v</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">v</span> <span class="o">=</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">min</span><span class="o">(</span><span class="nb">Math</span><span class="o">.</span><span class="nx">max</span><span class="o">(</span><span class="m">0</span><span class="o">,</span> <span class="nx">v</span><span class="o">),</span> <span class="m">255</span><span class="o">);</span>
<span class="k">var</span> <span class="nx">i</span><span class="o">,</span> <span class="nx">next</span><span class="o">;</span>
<span class="k">for</span> <span class="o">(</span><span class="nx">i</span><span class="o">=</span><span class="m">0</span><span class="o">;</span> <span class="nx">i</span><span class="o"><</span><span class="m">256</span><span class="o">;</span> <span class="nx">i</span><span class="o">=</span><span class="nx">i</span><span class="o">+</span><span class="m">51</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">next</span> <span class="o">=</span> <span class="nx">i</span><span class="o">+</span><span class="m">51</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">v</span> <span class="o">>=</span> <span class="nx">i</span> <span class="o">&&</span> <span class="nx">v</span> <span class="o"><=</span> <span class="nx">next</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="o">(</span><span class="nx">v</span><span class="o">-</span><span class="nx">i</span> <span class="o">></span> <span class="m">25</span><span class="o">)</span> <span class="o">?</span> <span class="nx">next</span> <span class="o">:</span> <span class="nx">i</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s2">"Error calculating the websafe value for "</span> <span class="o">+</span> <span class="nx">v</span><span class="o">,</span> <span class="s2">"warn"</span><span class="o">);</span>
<span class="o">}</span>
<span class="k">return</span> <span class="nx">v</span><span class="o">;</span>
<span class="o">};</span>
<span class="k">return</span> <span class="o">[</span><span class="nx">f</span><span class="o">(</span><span class="nx">r</span><span class="o">),</span> <span class="nx">f</span><span class="o">(</span><span class="nx">g</span><span class="o">),</span> <span class="nx">f</span><span class="o">(</span><span class="nx">b</span><span class="o">)];</span>
<span class="o">}</span>
<span class="o">};</span>
<span class="o">}();</span>
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