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87 </script> 88 89 </div> 90 91 <main class="container"> 92 <div class="magick-template"> 93<div class="magick-header"> 94<p class="text-center"><a href="color.html#AcquireColorCache">AcquireColorCache</a> • <a href="color.html#GetColorInfoList">GetColorInfoList</a> • <a href="color.html#GetColorList">GetColorList</a> • <a href="color.html#ListColorInfo">ListColorInfo</a> • <a href="color.html#QueryColorname">QueryColorname</a></p> 95 96<h2><a href="../../api/MagickCore/color_8c.html" id="AcquireColorCache">AcquireColorCache</a></h2> 97 98<p>AcquireColorCache() caches one or more color configurations which provides a mapping between color attributes and a color name.</p> 99 100<p>The format of the AcquireColorCache method is:</p> 101 102<pre class="text"> 103LinkedListInfo *AcquireColorCache(const char *filename, 104 ExceptionInfo *exception) 105</pre> 106 107<p>A description of each parameter follows:</p> 108 109<dd> 110</dd> 111 112<dd> </dd> 113<dl class="dl-horizontal"> 114<dt>filename</dt> 115<dd>the font file name. </dd> 116 117<dd> </dd> 118<dt>exception</dt> 119<dd>return any errors or warnings in this structure. </dd> 120 121<dd> </dd> 122</dl> 123<h2><a href="../../api/MagickCore/color_8c.html" id="GetColorInfoList">GetColorInfoList</a></h2> 124 125<p>GetColorInfoList() returns any colors that match the specified pattern.</p> 126 127<p>The format of the GetColorInfoList function is:</p> 128 129<pre class="text"> 130const ColorInfo **GetColorInfoList(const char *pattern, 131 size_t *number_colors,ExceptionInfo *exception) 132</pre> 133 134<p>A description of each parameter follows:</p> 135 136<dd> 137</dd> 138 139<dd> </dd> 140<dl class="dl-horizontal"> 141<dt>pattern</dt> 142<dd>Specifies a pointer to a text string containing a pattern. </dd> 143 144<dd> </dd> 145<dt>number_colors</dt> 146<dd> This integer returns the number of colors in the list. </dd> 147 148<dd> </dd> 149<dt>exception</dt> 150<dd>return any errors or warnings in this structure. </dd> 151 152<dd> </dd> 153</dl> 154<h2><a href="../../api/MagickCore/color_8c.html" id="GetColorList">GetColorList</a></h2> 155 156<p>GetColorList() returns any colors that match the specified pattern.</p> 157 158<p>The format of the GetColorList function is:</p> 159 160<pre class="text"> 161char **GetColorList(const char *pattern,size_t *number_colors, 162 ExceptionInfo *exception) 163</pre> 164 165<p>A description of each parameter follows:</p> 166 167<dd> 168</dd> 169 170<dd> </dd> 171<dl class="dl-horizontal"> 172<dt>pattern</dt> 173<dd>Specifies a pointer to a text string containing a pattern. </dd> 174 175<dd> </dd> 176<dt>number_colors</dt> 177<dd> This integer returns the number of colors in the list. </dd> 178 179<dd> </dd> 180<dt>exception</dt> 181<dd>return any errors or warnings in this structure. </dd> 182 183<dd> </dd> 184</dl> 185<h2><a href="../../api/MagickCore/color_8c.html" id="ListColorInfo">ListColorInfo</a></h2> 186 187<p>ListColorInfo() lists color names to the specified file. Color names are a convenience. Rather than defining a color by its red, green, and blue intensities just use a color name such as white, blue, or yellow.</p> 188 189<p>The format of the ListColorInfo method is:</p> 190 191<pre class="text"> 192MagickBooleanType ListColorInfo(FILE *file,ExceptionInfo *exception) 193</pre> 194 195<p>A description of each parameter follows.</p> 196 197<dt>file</dt> 198<p>List color names to this file handle.</p> 199 200<dt>exception</dt> 201<p>return any errors or warnings in this structure.</p> 202 203<h2><a href="../../api/MagickCore/color_8c.html" id="QueryColorname">QueryColorname</a></h2> 204 205<p>QueryColorname() returns a named color for the given color intensity. If an exact match is not found, a hex value is returned instead. For example an intensity of rgb:(0,0,0) returns black whereas rgb:(223,223,223) returns #dfdfdf.</p> 206 207<p>UPDATE: the 'image' argument is no longer needed as all information should have been preset using GetPixelInfo().</p> 208 209<p>The format of the QueryColorname method is:</p> 210 211<pre class="text"> 212MagickBooleanType QueryColorname(const Image *image, 213 const PixelInfo *color,const ComplianceType compliance,char *name, 214 ExceptionInfo *exception) 215</pre> 216 217<p>A description of each parameter follows.</p> 218 219<dt>image</dt> 220<p>the image. (not used! - color gets settings from GetPixelInfo()</p> 221 222<dt>color</dt> 223<p>the color intensities.</p> 224 225<dt>Compliance</dt> 226<p>Adhere to this color standard: SVG, X11, or XPM.</p> 227 228<dt>name</dt> 229<p>Return the color name or hex value.</p> 230 231<dt>exception</dt> 232<p>return any errors or warnings in this structure.</p> 233 234</div> 235 </div> 236 </main><!-- /.container --> 237 <footer class="magick-footer"> 238 <div class="container-fluid"> 239 <a href="../../www/security-policy.html">Security</a> • 240 <a href="../../www/news.html">News</a> 241 242 <a href="color.html#"><img class="d-inline" id="wand" alt="And Now a Touch of Magick" width="16" height="16" src="../../../images/wand.ico"/></a> 243 244 <a href="../../www/links.html">Related</a> • 245 <a href="../../www/sitemap.html">Sitemap</a> 246 <br/> 247 <a href="../../www/support.html">Sponsor</a> • 248 <a href="../../www/cite.html">Cite</a> • 249 <a href="http://pgp.mit.edu/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • 250 <a href="../../www/contact.html">Contact Us</a> 251 <br/> 252 <a href="https://github.com/imagemagick/imagemagick" target="_blank" rel="noopener" aria-label="GitHub"><svg xmlns="http://www.w3.org/2000/svg" class="navbar-nav-svg" viewBox="0 0 512 499.36" width="2%" height="2%" role="img" focusable="false"><title>GitHub</title><path fill="currentColor" fill-rule="evenodd" d="M256 0C114.64 0 0 114.61 0 256c0 113.09 73.34 209 175.08 242.9 12.8 2.35 17.47-5.56 17.47-12.34 0-6.08-.22-22.18-.35-43.54-71.2 15.49-86.2-34.34-86.2-34.34-11.64-29.57-28.42-37.45-28.42-37.45-23.27-15.84 1.73-15.55 1.73-15.55 25.69 1.81 39.21 26.38 39.21 26.38 22.84 39.12 59.92 27.82 74.5 21.27 2.33-16.54 8.94-27.82 16.25-34.22-56.84-6.43-116.6-28.43-116.6-126.49 0-27.95 10-50.8 26.35-68.69-2.63-6.48-11.42-32.5 2.51-67.75 0 0 21.49-6.88 70.4 26.24a242.65 242.65 0 0 1 128.18 0c48.87-33.13 70.33-26.24 70.33-26.24 14 35.25 5.18 61.27 2.55 67.75 16.41 17.9 26.31 40.75 26.31 68.69 0 98.35-59.85 120-116.88 126.32 9.19 7.9 17.38 23.53 17.38 47.41 0 34.22-.31 61.83-.31 70.23 0 6.85 4.61 14.81 17.6 12.31C438.72 464.97 512 369.08 512 256.02 512 114.62 397.37 0 256 0z"/></svg></a> • 253 <a href="https://twitter.com/imagemagick" target="_blank" rel="noopener" aria-label="Twitter"><svg xmlns="http://www.w3.org/2000/svg" class="navbar-nav-svg" viewBox="0 0 512 416.32" width="2%" height="2%" role="img" focusable="false"><title>Twitter</title><path fill="currentColor" d="M160.83 416.32c193.2 0 298.92-160.22 298.92-298.92 0-4.51 0-9-.2-13.52A214 214 0 0 0 512 49.38a212.93 212.93 0 0 1-60.44 16.6 105.7 105.7 0 0 0 46.3-58.19 209 209 0 0 1-66.79 25.37 105.09 105.09 0 0 0-181.73 71.91 116.12 116.12 0 0 0 2.66 24c-87.28-4.3-164.73-46.3-216.56-109.82A105.48 105.48 0 0 0 68 159.6a106.27 106.27 0 0 1-47.53-13.11v1.43a105.28 105.28 0 0 0 84.21 103.06 105.67 105.67 0 0 1-47.33 1.84 105.06 105.06 0 0 0 98.14 72.94A210.72 210.72 0 0 1 25 370.84a202.17 202.17 0 0 1-25-1.43 298.85 298.85 0 0 0 160.83 46.92"/></svg></a> 254 <br/> 255 <small>© 1999-2021 ImageMagick Studio LLC</small> 256 </div> 257 </footer> 258 259 <!-- Javascript assets --> 260 <script src="../../assets/magick.js" ></script> 261 </body> 262</html> 263