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83 </script> 84 85 </div> 86 87 <main class="container"> 88 <div class="magick-template"> 89<div class="magick-header"> 90<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> 91 92<h2><a href="../../api/MagickCore/color_8c.html" id="AcquireColorCache">AcquireColorCache</a></h2> 93 94<p>AcquireColorCache() caches one or more color configurations which provides a mapping between color attributes and a color name.</p> 95 96<p>The format of the AcquireColorCache method is:</p> 97 98<pre class="text"> 99LinkedListInfo *AcquireColorCache(const char *filename, 100 ExceptionInfo *exception) 101</pre> 102 103<p>A description of each parameter follows:</p> 104 105<dd> 106</dd> 107 108<dd> </dd> 109<dl class="dl-horizontal"> 110<dt>filename</dt> 111<dd>the font file name. </dd> 112 113<dd> </dd> 114<dt>exception</dt> 115<dd>return any errors or warnings in this structure. </dd> 116 117<dd> </dd> 118</dl> 119<h2><a href="../../api/MagickCore/color_8c.html" id="GetColorInfoList">GetColorInfoList</a></h2> 120 121<p>GetColorInfoList() returns any colors that match the specified pattern.</p> 122 123<p>The format of the GetColorInfoList function is:</p> 124 125<pre class="text"> 126const ColorInfo **GetColorInfoList(const char *pattern, 127 size_t *number_colors,ExceptionInfo *exception) 128</pre> 129 130<p>A description of each parameter follows:</p> 131 132<dd> 133</dd> 134 135<dd> </dd> 136<dl class="dl-horizontal"> 137<dt>pattern</dt> 138<dd>Specifies a pointer to a text string containing a pattern. </dd> 139 140<dd> </dd> 141<dt>number_colors</dt> 142<dd> This integer returns the number of colors in the list. </dd> 143 144<dd> </dd> 145<dt>exception</dt> 146<dd>return any errors or warnings in this structure. </dd> 147 148<dd> </dd> 149</dl> 150<h2><a href="../../api/MagickCore/color_8c.html" id="GetColorList">GetColorList</a></h2> 151 152<p>GetColorList() returns any colors that match the specified pattern.</p> 153 154<p>The format of the GetColorList function is:</p> 155 156<pre class="text"> 157char **GetColorList(const char *pattern,size_t *number_colors, 158 ExceptionInfo *exception) 159</pre> 160 161<p>A description of each parameter follows:</p> 162 163<dd> 164</dd> 165 166<dd> </dd> 167<dl class="dl-horizontal"> 168<dt>pattern</dt> 169<dd>Specifies a pointer to a text string containing a pattern. </dd> 170 171<dd> </dd> 172<dt>number_colors</dt> 173<dd> This integer returns the number of colors in the list. </dd> 174 175<dd> </dd> 176<dt>exception</dt> 177<dd>return any errors or warnings in this structure. </dd> 178 179<dd> </dd> 180</dl> 181<h2><a href="../../api/MagickCore/color_8c.html" id="ListColorInfo">ListColorInfo</a></h2> 182 183<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> 184 185<p>The format of the ListColorInfo method is:</p> 186 187<pre class="text"> 188MagickBooleanType ListColorInfo(FILE *file,ExceptionInfo *exception) 189</pre> 190 191<p>A description of each parameter follows.</p> 192 193<dt>file</dt> 194<p>List color names to this file handle.</p> 195 196<dt>exception</dt> 197<p>return any errors or warnings in this structure.</p> 198 199<h2><a href="../../api/MagickCore/color_8c.html" id="QueryColorname">QueryColorname</a></h2> 200 201<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> 202 203<p>UPDATE: the 'image' argument is no longer needed as all information should have been preset using GetPixelInfo().</p> 204 205<p>The format of the QueryColorname method is:</p> 206 207<pre class="text"> 208MagickBooleanType QueryColorname(const Image *image, 209 const PixelInfo *color,const ComplianceType compliance,char *name, 210 ExceptionInfo *exception) 211</pre> 212 213<p>A description of each parameter follows.</p> 214 215<dt>image</dt> 216<p>the image. (not used! - color gets settings from GetPixelInfo()</p> 217 218<dt>color</dt> 219<p>the color intensities.</p> 220 221<dt>Compliance</dt> 222<p>Adhere to this color standard: SVG, X11, or XPM.</p> 223 224<dt>name</dt> 225<p>Return the color name or hex value.</p> 226 227<dt>exception</dt> 228<p>return any errors or warnings in this structure.</p> 229 230</div> 231 </div> 232 </main><!-- /.container --> 233 <footer class="magick-footer"> 234 <p><a href="../../www/security-policy.html">Security</a> • 235 <a href="../../www/architecture.html">Architecture</a> 236 237 <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> 238 239 <a href="../../www/links.html">Related</a> • 240 <a href="../../www/sitemap.html">Sitemap</a> 241 <br/> 242 <a href="../../www/support.html">Donate</a> • 243 <a href="http://pgp.mit.edu/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • 244 <a href="../../www/contact.html">Contact Us</a> 245 <br/> 246 <small>© 1999-2020 ImageMagick Studio LLC</small></p> 247 </footer> 248 249 <!-- Javascript assets --> 250 <script src="../assets/magick.js" crossorigin="anonymous"></script> 251 <script>window.jQuery || document.write('<script src="https://localhost/ajax/libs/jquery/3.4.1/jquery.min.js"><\/script>')</script> 252</body> 253</html> 254<!-- Magick Cache 4th January 2020 08:23 -->