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44 </script> 45 <nav class="magick-nav"> 46 <a class="magick-nav-item " href="/index.html">Home</a> 47 <a class="magick-nav-item " href="/binary-releases.html">Download</a> 48 <a class="magick-nav-item " href="/command-line-tools.html">Tools</a> 49 <a class="magick-nav-item " href="/command-line-processing.html">Command-line</a> 50 <a class="magick-nav-item " href="/resources.html">Resources</a> 51 <a class="magick-nav-item " href="api.html">Develop</a> 52 <a class="magick-nav-item " href="http://www.imagemagick.org/script/search.php">Search</a> 53 <a class="magick-nav-item pull-right" href="https://www.imagemagick.org/discourse-server/">Community</a> 54 </nav> 55 </div> 56</div> 57<div class="container"> 58<div class="magick-header"> 59<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> 60 61<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="AcquireColorCache">AcquireColorCache</a></h2> 62 63<p>AcquireColorCache() caches one or more color configurations which provides a mapping between color attributes and a color name.</p> 64 65<p>The format of the AcquireColorCache method is:</p> 66 67<pre class="text"> 68LinkedListInfo *AcquireColorCache(const char *filename, 69 ExceptionInfo *exception) 70</pre> 71 72<p>A description of each parameter follows:</p> 73 74<dd> 75</dd> 76 77<dd> </dd> 78<dl class="dl-horizontal"> 79<dt>filename</dt> 80<dd>the font file name. </dd> 81 82<dd> </dd> 83<dt>exception</dt> 84<dd>return any errors or warnings in this structure. </dd> 85 86<dd> </dd> 87</dl> 88<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="GetColorInfoList">GetColorInfoList</a></h2> 89 90<p>GetColorInfoList() returns any colors that match the specified pattern.</p> 91 92<p>The format of the GetColorInfoList function is:</p> 93 94<pre class="text"> 95const ColorInfo **GetColorInfoList(const char *pattern, 96 size_t *number_colors,ExceptionInfo *exception) 97</pre> 98 99<p>A description of each parameter follows:</p> 100 101<dd> 102</dd> 103 104<dd> </dd> 105<dl class="dl-horizontal"> 106<dt>pattern</dt> 107<dd>Specifies a pointer to a text string containing a pattern. </dd> 108 109<dd> </dd> 110<dt>number_colors</dt> 111<dd> This integer returns the number of colors in the list. </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="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="GetColorList">GetColorList</a></h2> 120 121<p>GetColorList() returns any colors that match the specified pattern.</p> 122 123<p>The format of the GetColorList function is:</p> 124 125<pre class="text"> 126char **GetColorList(const char *pattern,size_t *number_colors, 127 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="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="ListColorInfo">ListColorInfo</a></h2> 151 152<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> 153 154<p>The format of the ListColorInfo method is:</p> 155 156<pre class="text"> 157MagickBooleanType ListColorInfo(FILE *file,ExceptionInfo *exception) 158</pre> 159 160<p>A description of each parameter follows.</p> 161 162<dt>file</dt> 163<p>List color names to this file handle.</p> 164 165<dt>exception</dt> 166<p>return any errors or warnings in this structure.</p> 167 168<h2><a href="http://www.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorname">QueryColorname</a></h2> 169 170<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> 171 172<p>UPDATE: the 'image' argument is no longer needed as all information should have been preset using GetPixelInfo().</p> 173 174<p>The format of the QueryColorname method is:</p> 175 176<pre class="text"> 177MagickBooleanType QueryColorname(const Image *image, 178 const PixelInfo *color,const ComplianceType compliance,char *name, 179 ExceptionInfo *exception) 180</pre> 181 182<p>A description of each parameter follows.</p> 183 184<dt>image</dt> 185<p>the image. (not used! - color gets settings from GetPixelInfo()</p> 186 187<dt>color</dt> 188<p>the color intensities.</p> 189 190<dt>Compliance</dt> 191<p>Adhere to this color standard: SVG, X11, or XPM.</p> 192 193<dt>name</dt> 194<p>Return the color name or hex value.</p> 195 196<dt>exception</dt> 197<p>return any errors or warnings in this structure.</p> 198 199</div> 200 <footer class="magick-footer"> 201 <p><a href="/support.html">Donate</a> • 202 <a href="/sitemap.html">Sitemap</a> • 203 <a href="/links.html">Related</a> • 204 <a href="/architecture.html">Architecture</a> 205</p> 206 <p><a href="color.html#">Back to top</a> • 207 <a href="http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • 208 <a href="http://www.imagemagick.org/script/contact.php">Contact Us</a></p> 209 <p><small>© 1999-2016 ImageMagick Studio LLC</small></p> 210 </footer> 211</div><!-- /.container --> 212 213 <script src="https://localhost/ajax/libs/jquery/1.11.3/jquery.min.js"></script> 214 <script src="/js/magick.html"></script> 215</div> 216</body> 217</html> 218
