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77 </script> 78 79 </div> 80 </header> 81 <main class="container"> 82 <div class="magick-template"> 83<div class="magick-header"> 84<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> 85 86<h2><a href="../../api/MagickCore/color_8c.html" id="AcquireColorCache">AcquireColorCache</a></h2> 87 88<p>AcquireColorCache() caches one or more color configurations which provides a mapping between color attributes and a color name.</p> 89 90<p>The format of the AcquireColorCache method is:</p> 91 92<pre class="text"> 93LinkedListInfo *AcquireColorCache(const char *filename, 94 ExceptionInfo *exception) 95</pre> 96 97<p>A description of each parameter follows:</p> 98 99<dd> 100</dd> 101 102<dd> </dd> 103<dl class="dl-horizontal"> 104<dt>filename</dt> 105<dd>the font file name. </dd> 106 107<dd> </dd> 108<dt>exception</dt> 109<dd>return any errors or warnings in this structure. </dd> 110 111<dd> </dd> 112</dl> 113<h2><a href="../../api/MagickCore/color_8c.html" id="GetColorInfoList">GetColorInfoList</a></h2> 114 115<p>GetColorInfoList() returns any colors that match the specified pattern.</p> 116 117<p>The format of the GetColorInfoList function is:</p> 118 119<pre class="text"> 120const ColorInfo **GetColorInfoList(const char *pattern, 121 size_t *number_colors,ExceptionInfo *exception) 122</pre> 123 124<p>A description of each parameter follows:</p> 125 126<dd> 127</dd> 128 129<dd> </dd> 130<dl class="dl-horizontal"> 131<dt>pattern</dt> 132<dd>Specifies a pointer to a text string containing a pattern. </dd> 133 134<dd> </dd> 135<dt>number_colors</dt> 136<dd> This integer returns the number of colors in the list. </dd> 137 138<dd> </dd> 139<dt>exception</dt> 140<dd>return any errors or warnings in this structure. </dd> 141 142<dd> </dd> 143</dl> 144<h2><a href="../../api/MagickCore/color_8c.html" id="GetColorList">GetColorList</a></h2> 145 146<p>GetColorList() returns any colors that match the specified pattern.</p> 147 148<p>The format of the GetColorList function is:</p> 149 150<pre class="text"> 151char **GetColorList(const char *pattern,size_t *number_colors, 152 ExceptionInfo *exception) 153</pre> 154 155<p>A description of each parameter follows:</p> 156 157<dd> 158</dd> 159 160<dd> </dd> 161<dl class="dl-horizontal"> 162<dt>pattern</dt> 163<dd>Specifies a pointer to a text string containing a pattern. </dd> 164 165<dd> </dd> 166<dt>number_colors</dt> 167<dd> This integer returns the number of colors in the list. </dd> 168 169<dd> </dd> 170<dt>exception</dt> 171<dd>return any errors or warnings in this structure. </dd> 172 173<dd> </dd> 174</dl> 175<h2><a href="../../api/MagickCore/color_8c.html" id="ListColorInfo">ListColorInfo</a></h2> 176 177<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> 178 179<p>The format of the ListColorInfo method is:</p> 180 181<pre class="text"> 182MagickBooleanType ListColorInfo(FILE *file,ExceptionInfo *exception) 183</pre> 184 185<p>A description of each parameter follows.</p> 186 187<dt>file</dt> 188<p>List color names to this file handle.</p> 189 190<dt>exception</dt> 191<p>return any errors or warnings in this structure.</p> 192 193<h2><a href="../../api/MagickCore/color_8c.html" id="QueryColorname">QueryColorname</a></h2> 194 195<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> 196 197<p>UPDATE: the 'image' argument is no longer needed as all information should have been preset using GetPixelInfo().</p> 198 199<p>The format of the QueryColorname method is:</p> 200 201<pre class="text"> 202MagickBooleanType QueryColorname(const Image *image, 203 const PixelInfo *color,const ComplianceType compliance,char *name, 204 ExceptionInfo *exception) 205</pre> 206 207<p>A description of each parameter follows.</p> 208 209<dt>image</dt> 210<p>the image. (not used! - color gets settings from GetPixelInfo()</p> 211 212<dt>color</dt> 213<p>the color intensities.</p> 214 215<dt>Compliance</dt> 216<p>Adhere to this color standard: SVG, X11, or XPM.</p> 217 218<dt>name</dt> 219<p>Return the color name or hex value.</p> 220 221<dt>exception</dt> 222<p>return any errors or warnings in this structure.</p> 223 224</div> 225 </div> 226 </main><!-- /.container --> 227 <footer class="magick-footer"> 228 <p><a href="../../www/security-policy.html">Security</a> • 229 <a href="../../www/architecture.html">Architecture</a> • 230 <a href="../../www/links.html">Related</a> • 231 <a href="../../www/sitemap.html">Sitemap</a> 232 233 <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> 234 235 <a href="http://pgp.mit.edu/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • 236 <a href="../../www/support.html">Donate</a> • 237 <a href="../../www/contact.html">Contact Us</a> 238 <br/> 239 <small>© 1999-2019 ImageMagick Studio LLC</small></p> 240 </footer> 241 242 <!-- Javascript assets --> 243 <script src="../assets/magick.js" crossorigin="anonymous"></script> 244 <script>window.jQuery || document.write('<script src="https://localhost/ajax/libs/jquery/3.3.1/jquery.min.js"><\/script>')</script> 245</body> 246</html> 247<!-- Magick Cache 30th December 2018 10:01 -->