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<h1>AppKit/CPColor.j</h1><a href="_c_p_color_8j.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * CPColor.j</span>
<a name="l00003"></a>00003 <span class="comment"> * AppKit</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Created by Francisco Tolmasky.</span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright 2008, 280 North, Inc.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00010"></a>00010 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00019"></a>00019 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022 
<a name="l00023"></a>00023 @<span class="keyword">import</span> &lt;Foundation/<a class="code" href="class_c_p_object.html" title="The root class from which most classes are subclassed.">CPObject</a>.j&gt;
<a name="l00024"></a>00024 
<a name="l00025"></a>00025 @<span class="keyword">import</span> <span class="stringliteral">&quot;CGColor.j&quot;</span>
<a name="l00026"></a>00026 
<a name="l00027"></a>00027 @<span class="keyword">import</span> <span class="stringliteral">&quot;CPCompatibility.j&quot;</span>
<a name="l00028"></a>00028 @<span class="keyword">import</span> <span class="stringliteral">&quot;CPImage.j&quot;</span>
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 
<a name="l00031"></a>00031 var _redComponent        = 0,
<a name="l00032"></a>00032     _greenComponent      = 1,
<a name="l00033"></a>00033     _blueComponent       = 2,
<a name="l00034"></a>00034     _alphaCompnent       = 3;
<a name="l00035"></a>00035     
<a name="l00036"></a>00036 var _hueComponent        = 0,
<a name="l00037"></a>00037     _saturationComponent = 1,
<a name="l00038"></a>00038     _brightnessComponent = 2;
<a name="l00039"></a>00039 
<a name="l00040"></a><a class="code" href="_c_p_color_8j.html#ad67ed135e1a1a7c1b037a57c076e3320">00040</a> var <a class="code" href="_c_p_color_8j.html#af777324eaf65bcd5951222cffac4b259">cachedBlackColor</a>,
<a name="l00041"></a>00041     <a class="code" href="_c_p_color_8j.html#a5740db8d2671987b2062de33dcd85b7a">cachedRedColor</a>,
<a name="l00042"></a>00042     <a class="code" href="_c_p_color_8j.html#a5115c4024abd1fa5893ac4d0f5e45026">cachedGreenColor</a>,
<a name="l00043"></a>00043     <a class="code" href="_c_p_color_8j.html#a50cb569d56f0e62aba7928c5abcdec0f">cachedBlueColor</a>,
<a name="l00044"></a>00044     <a class="code" href="_c_p_color_8j.html#ad67ed135e1a1a7c1b037a57c076e3320">cachedYellowColor</a>,
<a name="l00045"></a>00045     <a class="code" href="_c_p_color_8j.html#a446bc9f27ded3f76a0c89fb53aa3ef29">cachedGrayColor</a>,
<a name="l00046"></a>00046     <a class="code" href="_c_p_color_8j.html#a12a629add04d334d3b037dc10f6f9438">cachedLightGrayColor</a>,
<a name="l00047"></a>00047     <a class="code" href="_c_p_color_8j.html#a83924628ac7ee7ce3705bdcbcdf43ff9">cachedDarkGrayColor</a>,
<a name="l00048"></a>00048     <a class="code" href="_c_p_color_8j.html#a96c88441eef1ed8b0655f7996283444d">cachedWhiteColor</a>,
<a name="l00049"></a>00049     <a class="code" href="_c_p_color_8j.html#a115656263639821b1e3db97212b1ff56">cachedBrownColor</a>,
<a name="l00050"></a>00050     <a class="code" href="_c_p_color_8j.html#ab34359c220f00e02db03d2fae36093a1">cachedCyanColor</a>,
<a name="l00051"></a>00051     <a class="code" href="_c_p_color_8j.html#aac14fa4eec9d9ca7ca500181a77648f5">cachedMagentaColor</a>,
<a name="l00052"></a>00052     <a class="code" href="_c_p_color_8j.html#a34dfeabb827f3b37dc90911d0e2388b2">cachedOrangeColor</a>,
<a name="l00053"></a>00053     <a class="code" href="_c_p_color_8j.html#a91f7df88bc9e021979e46d7cf10d1cd4">cachedPurpleColor</a>,
<a name="l00054"></a>00054     <a class="code" href="_c_p_color_8j.html#a1ddac96aaf6294f873216ca4e8553d32">cachedShadowColor</a>,
<a name="l00055"></a>00055     <a class="code" href="_c_p_color_8j.html#ad3e2c942deafbfb9268bb1fa678f85fc">cachedClearColor</a>;
<a name="l00056"></a>00056 
<a name="l00072"></a>00072 <span class="keyword">@implementation </span><a class="code" href="class_c_p_color.html">CPColor</a> : <a class="code" href="class_c_p_object.html" title="The root class from which most classes are subclassed.">CPObject</a>
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074     <a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a>     _components;
<a name="l00075"></a>00075 
<a name="l00076"></a>00076     <a class="code" href="class_c_p_image.html">CPImage</a>     _patternImage;
<a name="l00077"></a>00077     <a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>    _cssString;    
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 
<a name="l00093"></a>00093 + (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithRed:(<span class="keywordtype">float</span>)red green:(<span class="keywordtype">float</span>)green blue:(<span class="keywordtype">float</span>)blue alpha:(<span class="keywordtype">float</span>)alpha
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095     <span class="keywordflow">return</span> [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[red, green, blue, alpha]];
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 
<a name="l00113"></a>00113 + (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithCalibratedRed:(<span class="keywordtype">float</span>)red green:(<span class="keywordtype">float</span>)green blue:(<span class="keywordtype">float</span>)blue alpha:(<span class="keywordtype">float</span>)alpha
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115     <span class="keywordflow">return</span> [<span class="keyword">self</span> colorWithRed:red green:green blue:blue alpha:alpha];
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117 
<a name="l00118"></a>00118 
<a name="l00128"></a>00128 + (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithWhite:(<span class="keywordtype">float</span>)white alpha:(<span class="keywordtype">float</span>)alpha
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130     <span class="keywordflow">return</span> [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[white, white, white, alpha]];
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132 
<a name="l00144"></a>00144 + (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithCalibratedWhite:(<span class="keywordtype">float</span>)white alpha:(<span class="keywordtype">float</span>)alpha
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146     <span class="keywordflow">return</span> [<span class="keyword">self</span> colorWithWhite:white alpha:alpha];
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 
<a name="l00158"></a>00158 + (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithHue:(<span class="keywordtype">float</span>)hue saturation:(<span class="keywordtype">float</span>)saturation brightness:(<span class="keywordtype">float</span>)brightness
<a name="l00159"></a>00159 {
<a name="l00160"></a>00160     <span class="keywordflow">return</span> [<span class="keyword">self</span> colorWithHue:hue saturation:saturation brightness:brightness alpha:1.0];
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 
<a name="l00163"></a>00163 + (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithHue:(<span class="keywordtype">float</span>)hue saturation:(<span class="keywordtype">float</span>)saturation brightness:(<span class="keywordtype">float</span>)brightness alpha:(<span class="keywordtype">float</span>)alpha
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165     <span class="keywordflow">if</span>(saturation === 0.0)
<a name="l00166"></a>00166         <span class="keywordflow">return</span> [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedWhite:brightness / 100.0 alpha:alpha];
<a name="l00167"></a>00167     
<a name="l00168"></a>00168     var f = hue % 60,
<a name="l00169"></a>00169         p = (brightness * (100 - saturation)) / 10000,
<a name="l00170"></a>00170         q = (brightness * (6000 - saturation * f)) / 600000,
<a name="l00171"></a>00171         t = (brightness * (6000 - saturation * (60 -f))) / 600000,
<a name="l00172"></a>00172         b =  brightness / 100.0;
<a name="l00173"></a>00173         
<a name="l00174"></a>00174     <span class="keywordflow">switch</span>(FLOOR(hue / 60))
<a name="l00175"></a>00175     {
<a name="l00176"></a>00176         <span class="keywordflow">case</span> 0: <span class="keywordflow">return</span> [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedRed: b green: t blue: p alpha: alpha];
<a name="l00177"></a>00177         <span class="keywordflow">case</span> 1: <span class="keywordflow">return</span> [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedRed: q green: b blue: p alpha: alpha];
<a name="l00178"></a>00178         <span class="keywordflow">case</span> 2: <span class="keywordflow">return</span> [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedRed: p green: b blue: t alpha: alpha];
<a name="l00179"></a>00179         <span class="keywordflow">case</span> 3: <span class="keywordflow">return</span> [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedRed: p green: q blue: b alpha: alpha];
<a name="l00180"></a>00180         <span class="keywordflow">case</span> 4: <span class="keywordflow">return</span> [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedRed: t green: p blue: b alpha: alpha];
<a name="l00181"></a>00181         <span class="keywordflow">case</span> 5: <span class="keywordflow">return</span> [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedRed: b green: p blue: q alpha: alpha];
<a name="l00182"></a>00182     }
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184 
<a name="l00195"></a>00195 + (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithHexString:(<span class="keywordtype">string</span>)hex
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197     <span class="keywordflow">return</span> [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA: hexToRGB(hex)];
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 
<a name="l00203"></a>00203 + (<a class="code" href="class_c_p_color.html">CPColor</a>)blackColor
<a name="l00204"></a>00204 {
<a name="l00205"></a>00205     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#af777324eaf65bcd5951222cffac4b259">cachedBlackColor</a>)
<a name="l00206"></a>00206         <a class="code" href="_c_p_color_8j.html#af777324eaf65bcd5951222cffac4b259">cachedBlackColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[0.0, 0.0, 0.0, 1.0]];
<a name="l00207"></a>00207 
<a name="l00208"></a>00208     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#af777324eaf65bcd5951222cffac4b259">cachedBlackColor</a>;
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 
<a name="l00214"></a>00214 + (<a class="code" href="class_c_p_color.html">CPColor</a>)blueColor
<a name="l00215"></a>00215 {
<a name="l00216"></a>00216     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a50cb569d56f0e62aba7928c5abcdec0f">cachedBlueColor</a>)
<a name="l00217"></a>00217         <a class="code" href="_c_p_color_8j.html#a50cb569d56f0e62aba7928c5abcdec0f">cachedBlueColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[0.0, 0.0, 1.0, 1.0]];
<a name="l00218"></a>00218 
<a name="l00219"></a>00219     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a50cb569d56f0e62aba7928c5abcdec0f">cachedBlueColor</a>;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221 
<a name="l00225"></a>00225 + (<a class="code" href="class_c_p_color.html">CPColor</a>)darkGrayColor
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a83924628ac7ee7ce3705bdcbcdf43ff9">cachedDarkGrayColor</a>)
<a name="l00228"></a>00228         <a class="code" href="_c_p_color_8j.html#a83924628ac7ee7ce3705bdcbcdf43ff9">cachedDarkGrayColor</a> = [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedWhite:1.0 / 3.0 alpha:1.0];
<a name="l00229"></a>00229 
<a name="l00230"></a>00230     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a83924628ac7ee7ce3705bdcbcdf43ff9">cachedDarkGrayColor</a>;
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232 
<a name="l00236"></a>00236 + (<a class="code" href="class_c_p_color.html">CPColor</a>)grayColor
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a446bc9f27ded3f76a0c89fb53aa3ef29">cachedGrayColor</a>)
<a name="l00239"></a>00239         <a class="code" href="_c_p_color_8j.html#a446bc9f27ded3f76a0c89fb53aa3ef29">cachedGrayColor</a> = [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedWhite:0.5 alpha: 1.0];
<a name="l00240"></a>00240 
<a name="l00241"></a>00241     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a446bc9f27ded3f76a0c89fb53aa3ef29">cachedGrayColor</a>;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 
<a name="l00247"></a>00247 + (<a class="code" href="class_c_p_color.html">CPColor</a>)greenColor
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a5115c4024abd1fa5893ac4d0f5e45026">cachedGreenColor</a>)
<a name="l00250"></a>00250         <a class="code" href="_c_p_color_8j.html#a5115c4024abd1fa5893ac4d0f5e45026">cachedGreenColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[0.0, 1.0, 0.0, 1.0]];
<a name="l00251"></a>00251 
<a name="l00252"></a>00252     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a5115c4024abd1fa5893ac4d0f5e45026">cachedGreenColor</a>;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254 
<a name="l00258"></a>00258 + (<a class="code" href="class_c_p_color.html">CPColor</a>)lightGrayColor
<a name="l00259"></a>00259 {
<a name="l00260"></a>00260     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a12a629add04d334d3b037dc10f6f9438">cachedLightGrayColor</a>)
<a name="l00261"></a>00261         <a class="code" href="_c_p_color_8j.html#a12a629add04d334d3b037dc10f6f9438">cachedLightGrayColor</a> = [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithCalibratedWhite:2.0 / 3.0 alpha:1.0];
<a name="l00262"></a>00262 
<a name="l00263"></a>00263     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a12a629add04d334d3b037dc10f6f9438">cachedLightGrayColor</a>;
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265 
<a name="l00269"></a>00269 + (<a class="code" href="class_c_p_color.html">CPColor</a>)redColor
<a name="l00270"></a>00270 {
<a name="l00271"></a>00271     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a5740db8d2671987b2062de33dcd85b7a">cachedRedColor</a>)
<a name="l00272"></a>00272         <a class="code" href="_c_p_color_8j.html#a5740db8d2671987b2062de33dcd85b7a">cachedRedColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[1.0, 0.0, 0.0, 1.0]];
<a name="l00273"></a>00273 
<a name="l00274"></a>00274     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a5740db8d2671987b2062de33dcd85b7a">cachedRedColor</a>;
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276 
<a name="l00280"></a>00280 + (<a class="code" href="class_c_p_color.html">CPColor</a>)whiteColor
<a name="l00281"></a>00281 {
<a name="l00282"></a>00282     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a96c88441eef1ed8b0655f7996283444d">cachedWhiteColor</a>)
<a name="l00283"></a>00283         <a class="code" href="_c_p_color_8j.html#a96c88441eef1ed8b0655f7996283444d">cachedWhiteColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[1.0, 1.0, 1.0, 1.0]];
<a name="l00284"></a>00284 
<a name="l00285"></a>00285     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a96c88441eef1ed8b0655f7996283444d">cachedWhiteColor</a>;
<a name="l00286"></a>00286 }
<a name="l00287"></a>00287 
<a name="l00291"></a>00291 + (<a class="code" href="class_c_p_color.html">CPColor</a>)yellowColor
<a name="l00292"></a>00292 {
<a name="l00293"></a>00293     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#ad67ed135e1a1a7c1b037a57c076e3320">cachedYellowColor</a>)
<a name="l00294"></a>00294         <a class="code" href="_c_p_color_8j.html#ad67ed135e1a1a7c1b037a57c076e3320">cachedYellowColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[1.0, 1.0, 0.0, 1.0]];
<a name="l00295"></a>00295 
<a name="l00296"></a>00296     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#ad67ed135e1a1a7c1b037a57c076e3320">cachedYellowColor</a>;
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298 
<a name="l00302"></a>00302 + (<a class="code" href="class_c_p_color.html">CPColor</a>)brownColor
<a name="l00303"></a>00303 {
<a name="l00304"></a>00304     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a115656263639821b1e3db97212b1ff56">cachedBrownColor</a>)
<a name="l00305"></a>00305         <a class="code" href="_c_p_color_8j.html#a115656263639821b1e3db97212b1ff56">cachedBrownColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[0.6, 0.4, 0.2, 1.0]];
<a name="l00306"></a>00306 
<a name="l00307"></a>00307     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a115656263639821b1e3db97212b1ff56">cachedBrownColor</a>;
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 
<a name="l00313"></a>00313 + (<a class="code" href="class_c_p_color.html">CPColor</a>)cyanColor
<a name="l00314"></a>00314 {
<a name="l00315"></a>00315     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#ab34359c220f00e02db03d2fae36093a1">cachedCyanColor</a>)
<a name="l00316"></a>00316         <a class="code" href="_c_p_color_8j.html#ab34359c220f00e02db03d2fae36093a1">cachedCyanColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[0.0, 1.0, 1.0, 1.0]];
<a name="l00317"></a>00317 
<a name="l00318"></a>00318     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#ab34359c220f00e02db03d2fae36093a1">cachedCyanColor</a>;
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320 
<a name="l00324"></a>00324 + (<a class="code" href="class_c_p_color.html">CPColor</a>)magentaColor
<a name="l00325"></a>00325 {
<a name="l00326"></a>00326     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#aac14fa4eec9d9ca7ca500181a77648f5">cachedMagentaColor</a>)
<a name="l00327"></a>00327         <a class="code" href="_c_p_color_8j.html#aac14fa4eec9d9ca7ca500181a77648f5">cachedMagentaColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[1.0, 0.0, 1.0, 1.0]];
<a name="l00328"></a>00328 
<a name="l00329"></a>00329     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#aac14fa4eec9d9ca7ca500181a77648f5">cachedMagentaColor</a>;
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331 
<a name="l00335"></a>00335 + (<a class="code" href="class_c_p_color.html">CPColor</a>)orangeColor
<a name="l00336"></a>00336 {
<a name="l00337"></a>00337     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a34dfeabb827f3b37dc90911d0e2388b2">cachedOrangeColor</a>)
<a name="l00338"></a>00338         <a class="code" href="_c_p_color_8j.html#a34dfeabb827f3b37dc90911d0e2388b2">cachedOrangeColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[1.0, 0.5, 0.0, 1.0]];
<a name="l00339"></a>00339 
<a name="l00340"></a>00340     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a34dfeabb827f3b37dc90911d0e2388b2">cachedOrangeColor</a>;
<a name="l00341"></a>00341 }
<a name="l00342"></a>00342 
<a name="l00346"></a>00346 + (<a class="code" href="class_c_p_color.html">CPColor</a>)purpleColor
<a name="l00347"></a>00347 {
<a name="l00348"></a>00348     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a91f7df88bc9e021979e46d7cf10d1cd4">cachedPurpleColor</a>)
<a name="l00349"></a>00349         <a class="code" href="_c_p_color_8j.html#a91f7df88bc9e021979e46d7cf10d1cd4">cachedPurpleColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[0.5, 0.0, 0.5, 1.0]];
<a name="l00350"></a>00350 
<a name="l00351"></a>00351     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a91f7df88bc9e021979e46d7cf10d1cd4">cachedPurpleColor</a>;
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353 
<a name="l00358"></a>00358 + (<a class="code" href="class_c_p_color.html">CPColor</a>)shadowColor
<a name="l00359"></a>00359 {
<a name="l00360"></a>00360     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#a1ddac96aaf6294f873216ca4e8553d32">cachedShadowColor</a>)
<a name="l00361"></a>00361         <a class="code" href="_c_p_color_8j.html#a1ddac96aaf6294f873216ca4e8553d32">cachedShadowColor</a> = [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[0.0, 0.0, 0.0, 1.0 / 3.0]];
<a name="l00362"></a>00362 
<a name="l00363"></a>00363     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#a1ddac96aaf6294f873216ca4e8553d32">cachedShadowColor</a>;
<a name="l00364"></a>00364 }
<a name="l00365"></a>00365 
<a name="l00370"></a>00370 + (<a class="code" href="class_c_p_color.html">CPColor</a>)clearColor
<a name="l00371"></a>00371 {
<a name="l00372"></a>00372     <span class="keywordflow">if</span> (!<a class="code" href="_c_p_color_8j.html#ad3e2c942deafbfb9268bb1fa678f85fc">cachedClearColor</a>)
<a name="l00373"></a>00373         <a class="code" href="_c_p_color_8j.html#ad3e2c942deafbfb9268bb1fa678f85fc">cachedClearColor</a> = [<span class="keyword">self</span> colorWithCalibratedWhite:0.0 alpha:0.0];
<a name="l00374"></a>00374 
<a name="l00375"></a>00375     <span class="keywordflow">return</span> <a class="code" href="_c_p_color_8j.html#ad3e2c942deafbfb9268bb1fa678f85fc">cachedClearColor</a>;
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377 
<a name="l00378"></a>00378 + (<a class="code" href="class_c_p_color.html">CPColor</a>)alternateSelectedControlColor
<a name="l00379"></a>00379 {
<a name="l00380"></a>00380     <span class="keywordflow">return</span> [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[0.22, 0.46, 0.84, 1.0]];
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382 
<a name="l00383"></a>00383 + (<a class="code" href="class_c_p_color.html">CPColor</a>)secondarySelectedControlColor
<a name="l00384"></a>00384 {
<a name="l00385"></a>00385     <span class="keywordflow">return</span> [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithRGBA:[0.83, 0.83, 0.83, 1.0]];
<a name="l00386"></a>00386 }
<a name="l00387"></a>00387 
<a name="l00393"></a>00393 + (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithPatternImage:(<a class="code" href="class_c_p_image.html">CPImage</a>)anImage
<a name="l00394"></a>00394 {
<a name="l00395"></a>00395     <span class="keywordflow">return</span> [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithPatternImage:anImage];
<a name="l00396"></a>00396 }
<a name="l00397"></a>00397 
<a name="l00404"></a>00404 + (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithCSSString:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aString
<a name="l00405"></a>00405 {
<a name="l00406"></a>00406     <span class="keywordflow">return</span> [[<a class="code" href="class_c_p_color.html">CPColor</a> alloc] _initWithCSSString: aString];
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408 
<a name="l00409"></a>00409 <span class="comment">/* @ignore */</span>
<a name="l00410"></a>00410 - (id)_initWithCSSString:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aString
<a name="l00411"></a>00411 {
<a name="l00412"></a>00412     <span class="keywordflow">if</span>(aString.indexOf(<span class="stringliteral">&quot;rgb&quot;</span>) == <a class="code" href="_c_p_obj_j_runtime_8j.html#a84e3be579b365cc2c1559e1a1f469238">CPNotFound</a>)
<a name="l00413"></a>00413         <span class="keywordflow">return</span> nil;
<a name="l00414"></a>00414         
<a name="l00415"></a>00415     <span class="keyword">self</span> = [<span class="keyword">super</span> init];
<a name="l00416"></a>00416     
<a name="l00417"></a>00417     var startingIndex = aString.indexOf(<span class="stringliteral">&quot;(&quot;</span>);
<a name="l00418"></a>00418     var parts = aString.substring(startingIndex+1).split(<span class="charliteral">&apos;,&apos;</span>);
<a name="l00419"></a>00419     
<a name="l00420"></a>00420     _components = [
<a name="l00421"></a>00421         parseInt(parts[0], 10) / 255.0,
<a name="l00422"></a>00422         parseInt(parts[1], 10) / 255.0,
<a name="l00423"></a>00423         parseInt(parts[2], 10) / 255.0,
<a name="l00424"></a>00424         parts[3] ? parseInt(parts[3], 10) / 255.0 : 1.0        
<a name="l00425"></a>00425     ]
<a name="l00426"></a>00426     
<a name="l00427"></a>00427     _cssString = aString;
<a name="l00428"></a>00428     
<a name="l00429"></a>00429     <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00430"></a>00430 }
<a name="l00431"></a>00431 
<a name="l00432"></a>00432 <span class="comment">/* @ignore */</span>
<a name="l00433"></a>00433 - (id)_initWithRGBA:(<a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a>)components
<a name="l00434"></a>00434 {
<a name="l00435"></a>00435     <span class="keyword">self</span> = [<span class="keyword">super</span> init];
<a name="l00436"></a>00436     
<a name="l00437"></a>00437     <span class="keywordflow">if</span> (<span class="keyword">self</span>)
<a name="l00438"></a>00438     {
<a name="l00439"></a>00439         _components = components;
<a name="l00440"></a>00440         
<a name="l00441"></a>00441                 <span class="keywordflow">if</span> (!<a class="code" href="_c_p_compatibility_8j.html#a1fbfe7ca6b2cef354ecfe78f6cfd6659">CPFeatureIsCompatible</a>(<a class="code" href="_c_p_compatibility_8j.html#a032b2c21e584ea4022c7523b945eac8a">CPCSSRGBAFeature</a>) &amp;&amp; _components[3] != 1.0 &amp;&amp; window.Base64 &amp;&amp; window.CRC32)
<a name="l00442"></a>00442                 {
<a name="l00443"></a>00443                         var bytes = [0x89,0x50,0x4e,0x47,0xd,0xa,0x1a,0xa,0x0,0x0,0x0,0xd,0x49,0x48,0x44,0x52,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x1,0x8,0x3,0x0,0x0,0x0,0x28,0xcb,0x34,0xbb,0x0,0x0,0x3,0x0,0x50,0x4c,0x54,0x45,0xff,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x17,0x89,0x99,0x55,0x0,0x0,0x0,0x1,0x74,0x52,0x4e,0x53,0x0,0x40,0xe6,0xd8,0x66,0x0,0x0,0x0,0x10,0x49,0x44,0x41,0x54,0x78,0xda,0x62,0x60,0x0,0x0,0x0,0x0,0xff,0xff,0x3,0x0,0x0,0x2,0x0,0x1,0x24,0x7f,0x24,0xf1,0x0,0x0,0x0,0x0,0x49,0x45,0x4e,0x44,0xae,0x42,0x60,0x82,0xff];
<a name="l00444"></a>00444                         var r_off = 41;
<a name="l00445"></a>00445                         var g_off = 42;
<a name="l00446"></a>00446                         var b_off = 43;
<a name="l00447"></a>00447                         var a_off = 821;
<a name="l00448"></a>00448                         var plte_crc_off = 809;
<a name="l00449"></a>00449                         var trns_crc_off = 822;
<a name="l00450"></a>00450                         var plte_type_off = 37;
<a name="l00451"></a>00451                         var trns_type_off = 817;
<a name="l00452"></a>00452                         
<a name="l00453"></a>00453                         bytes[r_off] = Math.round(_components[0]*255);
<a name="l00454"></a>00454                         bytes[g_off] = Math.round(_components[1]*255);
<a name="l00455"></a>00455                         bytes[b_off] = Math.round(_components[2]*255);
<a name="l00456"></a>00456                         bytes[a_off] = Math.round(_components[3]*255);
<a name="l00457"></a>00457             
<a name="l00458"></a>00458                         <span class="comment">// calculate new CRCs</span>
<a name="l00459"></a>00459                         var new_plte_crc = integerToBytes(CRC32.getCRC(bytes, plte_type_off, 4+768), 4);
<a name="l00460"></a>00460                         var new_trns_crc = integerToBytes(CRC32.getCRC(bytes, trns_type_off, 4+1), 4);
<a name="l00461"></a>00461             
<a name="l00462"></a>00462                         <span class="comment">// overwrite old CRCs with new ones</span>
<a name="l00463"></a>00463                         <span class="keywordflow">for</span> (var i = 0; i &lt; 4; i++)
<a name="l00464"></a>00464                         {
<a name="l00465"></a>00465                                 bytes[plte_crc_off+i] = new_plte_crc[i];
<a name="l00466"></a>00466                                 bytes[trns_crc_off+i] = new_trns_crc[i];
<a name="l00467"></a>00467                         }
<a name="l00468"></a>00468             
<a name="l00469"></a>00469                         <span class="comment">// Base64 encode, strip whitespace and build data URL</span>
<a name="l00470"></a>00470                         var base64image = Base64.encode(bytes); <span class="comment">//.replace(/[\s]/g, &quot;&quot;);</span>
<a name="l00471"></a>00471                         
<a name="l00472"></a>00472                         _cssString = <span class="stringliteral">&quot;url(\&quot;data:image/png;base64,&quot;</span> + base64image + &quot;\&quot;)&quot;;
<a name="l00473"></a>00473                 }
<a name="l00474"></a>00474                 <span class="keywordflow">else</span>
<a name="l00475"></a>00475                 {
<a name="l00476"></a>00476                 var hasAlpha = <a class="code" href="_c_p_compatibility_8j.html#a1fbfe7ca6b2cef354ecfe78f6cfd6659">CPFeatureIsCompatible</a>(<a class="code" href="_c_p_compatibility_8j.html#a032b2c21e584ea4022c7523b945eac8a">CPCSSRGBAFeature</a>) &amp;&amp; _components[3] != 1.0;
<a name="l00477"></a>00477                         
<a name="l00478"></a>00478                 _cssString = (hasAlpha ? <span class="stringliteral">&quot;rgba(&quot;</span> : <span class="stringliteral">&quot;rgb(&quot;</span>) + 
<a name="l00479"></a>00479                     parseInt(_components[0] * 255.0) + &quot;, &quot; + 
<a name="l00480"></a>00480                     parseInt(_components[1] * 255.0) + &quot;, &quot; + 
<a name="l00481"></a>00481                     parseInt(_components[2] * 255.0) + 
<a name="l00482"></a>00482                     (hasAlpha ?  (&quot;, &quot; + _components[3]) : &quot;&quot;) + &quot;)&quot;;
<a name="l00483"></a>00483                 }
<a name="l00484"></a>00484     }
<a name="l00485"></a>00485     <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00486"></a>00486 }
<a name="l00487"></a>00487 
<a name="l00488"></a>00488 <span class="comment">/* @ignore */</span>
<a name="l00489"></a>00489 - (id)_initWithPatternImage:(<a class="code" href="class_c_p_image.html">CPImage</a>)anImage
<a name="l00490"></a>00490 {
<a name="l00491"></a>00491     <span class="keyword">self</span> = [<span class="keyword">super</span> init];
<a name="l00492"></a>00492     
<a name="l00493"></a>00493     <span class="keywordflow">if</span> (<span class="keyword">self</span>)
<a name="l00494"></a>00494     {
<a name="l00495"></a>00495         _patternImage = anImage;
<a name="l00496"></a>00496         _cssString = <span class="stringliteral">&quot;url(\&quot;&quot;</span> + [_patternImage filename] + &quot;\&quot;)&quot;;
<a name="l00497"></a>00497     }
<a name="l00498"></a>00498        
<a name="l00499"></a>00499     <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00500"></a>00500 }
<a name="l00501"></a>00501 
<a name="l00505"></a>00505 - (<a class="code" href="class_c_p_image.html">CPImage</a>)patternImage
<a name="l00506"></a>00506 {
<a name="l00507"></a>00507     <span class="keywordflow">return</span> _patternImage;
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509 
<a name="l00513"></a>00513 - (float)alphaComponent
<a name="l00514"></a>00514 {
<a name="l00515"></a>00515     <span class="keywordflow">return</span> _components[3];
<a name="l00516"></a>00516 }
<a name="l00517"></a>00517 
<a name="l00521"></a>00521 - (float)blueComponent
<a name="l00522"></a>00522 {
<a name="l00523"></a>00523     <span class="keywordflow">return</span> _components[2];
<a name="l00524"></a>00524 }
<a name="l00525"></a>00525 
<a name="l00529"></a>00529 - (float)greenComponent
<a name="l00530"></a>00530 {
<a name="l00531"></a>00531     <span class="keywordflow">return</span> _components[1];
<a name="l00532"></a>00532 }
<a name="l00533"></a>00533 
<a name="l00537"></a>00537 - (float)redComponent
<a name="l00538"></a>00538 {
<a name="l00539"></a>00539     <span class="keywordflow">return</span> _components[0];
<a name="l00540"></a>00540 }
<a name="l00541"></a>00541 
<a name="l00553"></a>00553 - (<a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a>)components
<a name="l00554"></a>00554 {
<a name="l00555"></a>00555     <span class="keywordflow">return</span> _components;
<a name="l00556"></a>00556 }
<a name="l00557"></a>00557 
<a name="l00565"></a>00565 - (<a class="code" href="class_c_p_color.html">CPColor</a>)colorWithAlphaComponent:(<span class="keywordtype">float</span>)anAlphaComponent
<a name="l00566"></a>00566 {
<a name="l00567"></a>00567     var components = _components.slice();
<a name="l00568"></a>00568     
<a name="l00569"></a>00569     components[components.length - 1] = anAlphaComponent;
<a name="l00570"></a>00570     
<a name="l00571"></a>00571     <span class="keywordflow">return</span> [[[<span class="keyword">self</span> class] alloc] _initWithRGBA:components];
<a name="l00572"></a>00572 }
<a name="l00573"></a>00573 
<a name="l00584"></a>00584 - (<a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a>)hsbComponents
<a name="l00585"></a>00585 {
<a name="l00586"></a>00586     var red   = ROUND(_components[_redComponent] * 255.0),
<a name="l00587"></a>00587         green = ROUND(_components[_greenComponent] * 255.0),
<a name="l00588"></a>00588         blue  = ROUND(_components[_blueComponent] * 255.0);
<a name="l00589"></a>00589         
<a name="l00590"></a>00590     var max   = <a class="code" href="_c_p_obj_j_runtime_8j.html#a45f5f88d061da0c18bcb6b6a854fe898">MAX</a>(red, green, blue),
<a name="l00591"></a>00591         min   = <a class="code" href="_c_p_obj_j_runtime_8j.html#a4fca277171215842609dc38a6f0c19fb">MIN</a>(red, green, blue),
<a name="l00592"></a>00592         delta = max - min;
<a name="l00593"></a>00593         
<a name="l00594"></a>00594     var brightness = max / 255.0,
<a name="l00595"></a>00595         saturation = (max != 0) ? delta / max : 0;
<a name="l00596"></a>00596         
<a name="l00597"></a>00597     var hue;
<a name="l00598"></a>00598     <span class="keywordflow">if</span>(saturation == 0)
<a name="l00599"></a>00599         hue = 0;
<a name="l00600"></a>00600     <span class="keywordflow">else</span>
<a name="l00601"></a>00601     {
<a name="l00602"></a>00602         var rr = (max - red) / delta;
<a name="l00603"></a>00603         var gr = (max - green) / delta;
<a name="l00604"></a>00604         var br = (max - blue) / delta;
<a name="l00605"></a>00605         
<a name="l00606"></a>00606         <span class="keywordflow">if</span> (red == max) 
<a name="l00607"></a>00607             hue = br - gr;
<a name="l00608"></a>00608         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (green == max) 
<a name="l00609"></a>00609             hue = 2 + rr - br;
<a name="l00610"></a>00610         <span class="keywordflow">else</span> 
<a name="l00611"></a>00611             hue = 4 + gr - rr;
<a name="l00612"></a>00612             
<a name="l00613"></a>00613         hue /= 6;
<a name="l00614"></a>00614         <span class="keywordflow">if</span> (hue &lt; 0) 
<a name="l00615"></a>00615             hue++;
<a name="l00616"></a>00616     }
<a name="l00617"></a>00617     
<a name="l00618"></a>00618     <span class="keywordflow">return</span> [
<a name="l00619"></a>00619         ROUND(hue * 360.0), 
<a name="l00620"></a>00620         ROUND(saturation * 100.0),
<a name="l00621"></a>00621         ROUND(brightness * 100.0)
<a name="l00622"></a>00622     ];
<a name="l00623"></a>00623 }
<a name="l00624"></a>00624 
<a name="l00634"></a>00634 - (<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)cssString
<a name="l00635"></a>00635 {
<a name="l00636"></a>00636     <span class="keywordflow">return</span> _cssString;
<a name="l00637"></a>00637 }
<a name="l00638"></a>00638 
<a name="l00642"></a>00642 - (<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)hexString
<a name="l00643"></a>00643 {
<a name="l00644"></a>00644     <span class="keywordflow">return</span> rgbToHex([<span class="keyword">self</span> redComponent], [<span class="keyword">self</span> greenComponent], [<span class="keyword">self</span> blueComponent])
<a name="l00645"></a>00645 }
<a name="l00646"></a>00646 
<a name="l00647"></a>00647 - (BOOL)isEqual:(<a class="code" href="class_c_p_color.html">CPColor</a>)aColor
<a name="l00648"></a>00648 {
<a name="l00649"></a>00649     <span class="keywordflow">if</span> (!aColor)
<a name="l00650"></a>00650         <span class="keywordflow">return</span> NO;
<a name="l00651"></a>00651 
<a name="l00652"></a>00652     <span class="keywordflow">if</span> (aColor === <span class="keyword">self</span>)
<a name="l00653"></a>00653         <span class="keywordflow">return</span> YES;
<a name="l00654"></a>00654 
<a name="l00655"></a>00655     <span class="keywordflow">return</span> [aColor isKindOfClass:CPColor] &amp;&amp; [aColor cssString] === [<span class="keyword">self</span> cssString];
<a name="l00656"></a>00656 }
<a name="l00657"></a>00657 
<a name="l00658"></a>00658 - (<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)description
<a name="l00659"></a>00659 {
<a name="l00660"></a>00660     <span class="keywordflow">return</span> [<span class="keyword">super</span> description]+&quot; &quot;+[<a class="code" href="_c_p_button_bar_8j.html#a57945218a0d2fdfc4a2d4fa646901ef1">self</a> cssString];
<a name="l00661"></a>00661 }
<a name="l00662"></a>00662 
<a name="l00663"></a>00663 <span class="keyword">@end</span>
<a name="l00664"></a>00664 
<a name="l00665"></a>00665 <span class="keyword">@implementation </span><a class="code" href="class_c_p_color.html">CPColor</a> (CoreGraphicsExtensions)
<a name="l00666"></a>00666 
<a name="l00670"></a>00670 - (void)set
<a name="l00671"></a>00671 {
<a name="l00672"></a>00672     [<span class="keyword">self</span> setFill];
<a name="l00673"></a>00673     [<span class="keyword">self</span> setStroke];
<a name="l00674"></a>00674 }
<a name="l00675"></a>00675 
<a name="l00679"></a>00679 - (void)setFill
<a name="l00680"></a>00680 {
<a name="l00681"></a>00681     var ctx = [[<a class="code" href="class_c_p_graphics_context.html">CPGraphicsContext</a> <a class="code" href="class_c_p_graphics_context.html#a378dafc8fb951053dd6877fb45e87f61">currentContext</a>] <a class="code" href="class_c_p_graphics_context.html#a92895bd939c04da463d02425bec83f0b">graphicsPort</a>];
<a name="l00682"></a>00682     <a class="code" href="group__coregraphics.html#ga800a3e5b0c46359d28b091376630bb0e">CGContextSetFillColor</a>(ctx, <span class="keyword">self</span>);   
<a name="l00683"></a>00683 }
<a name="l00684"></a>00684 
<a name="l00688"></a>00688 - (void)setStroke
<a name="l00689"></a>00689 {
<a name="l00690"></a>00690     var ctx = [[<a class="code" href="class_c_p_graphics_context.html">CPGraphicsContext</a> <a class="code" href="class_c_p_graphics_context.html#a378dafc8fb951053dd6877fb45e87f61">currentContext</a>] <a class="code" href="class_c_p_graphics_context.html#a92895bd939c04da463d02425bec83f0b">graphicsPort</a>];
<a name="l00691"></a>00691     <a class="code" href="group__coregraphics.html#gac13f17a8bed76d16b9e5252106d196e0">CGContextSetStrokeColor</a>(ctx, <span class="keyword">self</span>);
<a name="l00692"></a>00692 }
<a name="l00693"></a>00693 
<a name="l00694"></a>00694 <span class="keyword">@end</span>
<a name="l00695"></a>00695 
<a name="l00696"></a>00696 <span class="keyword">@implementation </span><a class="code" href="class_c_p_color.html">CPColor</a> (Debugging)
<a name="l00697"></a>00697 
<a name="l00698"></a>00698 + (<a class="code" href="class_c_p_color.html">CPColor</a>)randomColor
<a name="l00699"></a>00699 {
<a name="l00700"></a>00700     <span class="keywordflow">return</span> [<a class="code" href="class_c_p_color.html">CPColor</a> colorWithRed:RAND() green:RAND() blue:RAND() alpha:1.0];
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702 
<a name="l00703"></a>00703 <span class="keyword">@end</span>
<a name="l00704"></a>00704 
<a name="l00705"></a>00705 var CPColorComponentsKey    = <span class="stringliteral">@&quot;CPColorComponentsKey&quot;</span>,
<a name="l00706"></a>00706     CPColorPatternImageKey  = <span class="stringliteral">@&quot;CPColorPatternImageKey&quot;</span>;
<a name="l00707"></a>00707 
<a name="l00708"></a>00708 <span class="keyword">@implementation </span><a class="code" href="class_c_p_color.html">CPColor</a> (CPCoding)
<a name="l00709"></a>00709 
<a name="l00714"></a>00714 - (id)initWithCoder:(<a class="code" href="class_c_p_coder.html" title="Defines methods for use when archiving &amp;amp; restoring (enc/decoding).">CPCoder</a>)aCoder
<a name="l00715"></a>00715 {
<a name="l00716"></a>00716     <span class="keywordflow">if</span> ([aCoder containsValueForKey:CPColorPatternImageKey])
<a name="l00717"></a>00717         <span class="keywordflow">return</span> [<span class="keyword">self</span> _initWithPatternImage:[aCoder decodeObjectForKey:CPColorPatternImageKey]];
<a name="l00718"></a>00718     
<a name="l00719"></a>00719     <span class="keywordflow">return</span> [<span class="keyword">self</span> _initWithRGBA:[aCoder decodeObjectForKey:CPColorComponentsKey]];
<a name="l00720"></a>00720 }
<a name="l00721"></a>00721 
<a name="l00726"></a>00726 - (void)encodeWithCoder:(<a class="code" href="class_c_p_coder.html" title="Defines methods for use when archiving &amp;amp; restoring (enc/decoding).">CPCoder</a>)aCoder
<a name="l00727"></a>00727 {
<a name="l00728"></a>00728     <span class="keywordflow">if</span> (_patternImage)
<a name="l00729"></a>00729         [aCoder encodeObject:_patternImage forKey:CPColorPatternImageKey];
<a name="l00730"></a>00730     <span class="keywordflow">else</span>
<a name="l00731"></a>00731         [aCoder encodeObject:_components forKey:CPColorComponentsKey];
<a name="l00732"></a>00732 }
<a name="l00733"></a>00733 
<a name="l00734"></a>00734 <span class="keyword">@end</span>
<a name="l00735"></a>00735 
<a name="l00736"></a>00736 var hexCharacters = <span class="stringliteral">&quot;0123456789ABCDEF&quot;</span>;
<a name="l00737"></a>00737 
<a name="l00738"></a>00738 <span class="comment">// HACK: prevent these from becoming globals. workaround for obj-j &quot;function foo(){}&quot; behavior</span>
<a name="l00739"></a>00739 var hexToRGB, integerToBytes, rgbToHex, byteToHex;
<a name="l00740"></a>00740 
<a name="l00747"></a>00747 function hexToRGB(hex) 
<a name="l00748"></a>00748 {
<a name="l00749"></a>00749     <span class="keywordflow">if</span> ( hex.length == 3 )
<a name="l00750"></a>00750         hex = hex.charAt(0) + hex.charAt(0) + hex.charAt(1) + hex.charAt(1) + hex.charAt(2) + hex.charAt(2);
<a name="l00751"></a>00751     <span class="keywordflow">if</span>(hex.length != 6)
<a name="l00752"></a>00752         <span class="keywordflow">return</span> null;
<a name="l00753"></a>00753 
<a name="l00754"></a>00754     hex = hex.toUpperCase();
<a name="l00755"></a>00755 
<a name="l00756"></a>00756     <span class="keywordflow">for</span>(var i=0; i&lt;hex.length; i++)
<a name="l00757"></a>00757         <a class="code" href="_c_a_backing_store_8j.html#ad2b049b1f6911d2ffffc0769dfe601e4">if</a>(hexCharacters.indexOf(hex.charAt(i)) == -1)
<a name="l00758"></a>00758             <a class="code" href="_c_p_drag_server_8j.html#ab38fe8c5662753a7515036e3750c777b">return</a> null;
<a name="l00759"></a>00759             
<a name="l00760"></a>00760     var red   = (hexCharacters.indexOf(hex.charAt(0)) * 16 + hexCharacters.indexOf(hex.charAt(1))) / 255.0;
<a name="l00761"></a>00761     var green = (hexCharacters.indexOf(hex.charAt(2)) * 16 + hexCharacters.indexOf(hex.charAt(3))) / 255.0;
<a name="l00762"></a>00762     var blue  = (hexCharacters.indexOf(hex.charAt(4)) * 16 + hexCharacters.indexOf(hex.charAt(5))) / 255.0;
<a name="l00763"></a>00763     
<a name="l00764"></a>00764     <span class="keywordflow">return</span> [red, green, blue, 1.0];
<a name="l00765"></a>00765 }
<a name="l00766"></a>00766 
<a name="l00767"></a>00767 function integerToBytes(integer, length) {
<a name="l00768"></a>00768         <span class="keywordflow">if</span> (!length)
<a name="l00769"></a>00769                 length = (integer == 0) ? 1 : Math.round((Math.log(integer)/Math.log(2))/8+0.5);
<a name="l00770"></a>00770                 
<a name="l00771"></a>00771         var bytes = <span class="keyword">new</span> Array(length);
<a name="l00772"></a>00772         <span class="keywordflow">for</span> (var i = length-1; i &gt;= 0; i--) {
<a name="l00773"></a>00773                 bytes[i] = integer &amp; 255;
<a name="l00774"></a>00774                 integer = integer &gt;&gt; 8
<a name="l00775"></a>00775         }
<a name="l00776"></a>00776         <span class="keywordflow">return</span> bytes;
<a name="l00777"></a>00777 }
<a name="l00778"></a>00778 
<a name="l00779"></a>00779 function rgbToHex(r,g,b) {
<a name="l00780"></a>00780     <span class="keywordflow">return</span> byteToHex(r) + byteToHex(g) + byteToHex(b);
<a name="l00781"></a>00781 }
<a name="l00782"></a>00782 
<a name="l00783"></a>00783 function byteToHex(n) {
<a name="l00784"></a>00784     <span class="keywordflow">if</span> (!n || isNaN(n)) <span class="keywordflow">return</span> <span class="stringliteral">&quot;00&quot;</span>;
<a name="l00785"></a>00785     n = ROUND(<a class="code" href="_c_p_obj_j_runtime_8j.html#a4fca277171215842609dc38a6f0c19fb">MIN</a>(255,<a class="code" href="_c_p_obj_j_runtime_8j.html#a45f5f88d061da0c18bcb6b6a854fe898">MAX</a>(0,256*n)));
<a name="l00786"></a>00786     <span class="keywordflow">return</span>  hexCharacters.charAt((n - n % 16) / 16) +
<a name="l00787"></a>00787             hexCharacters.charAt(n % 16);
<a name="l00788"></a>00788 }
<a name="l00789"></a>00789 
<a name="l00790"></a>00790 <span class="comment">// Toll-Free bridge CPColor to CGColor.</span>
<a name="l00791"></a>00791 <span class="comment">//CGColor.prototype.isa = CPColor;</span>
<a name="l00792"></a>00792 <span class="comment">//[CPColor initialize];</span>
<a name="l00793"></a>00793 
<a name="l00794"></a>00794 <span class="comment">//http://dev.mootools.net/browser/trunk/Source/Utilities/Color.js?rev=1184</span>
</pre></div></div>
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
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