JezK
Edit File: color.php
<!DOCTYPE html> <html lang="en"> <head> <meta name="google-site-verification" content="_bMOCDpkx9ZAzBwb2kF3PRHbfUUdFj2uO8Jd1AXArz4" /> <title>ImageMagick: MagickCore, C API for ImageMagick: Count the Colors in an Image</title> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <meta name="application-name" content="ImageMagick"/> <meta name="description" content="ImageMagick® is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves."/> <meta name="application-url" content="http://www.imagemagick.org"/> <meta name="generator" content="PHP"/> <meta name="keywords" content="magickcore, c, api, for, imagemagick:, count, the, colors, in, an, image, ImageMagick, PerlMagick, image processing, image, photo, software, Magick++, OpenMP, convert"/> <meta name="rating" content="GENERAL"/> <meta name="robots" content="INDEX, FOLLOW"/> <meta name="generator" content="ImageMagick Studio LLC"/> <meta name="author" content="ImageMagick Studio LLC"/> <meta name="revisit-after" content="2 DAYS"/> <meta name="resource-type" content="document"/> <meta name="copyright" content="Copyright (c) 1999-2016 ImageMagick Studio LLC"/> <meta name="distribution" content="Global"/> <meta name="magick-serial" content="P131-S030410-R485315270133-P82224-A6668-G1245-1"/> <link rel="icon" href="../image/wand.png"/> <link rel="shortcut icon" href="../image/wand.ico"/> <link rel="stylesheet" href="../css/magick.php"/> </head> <body> <div class="main"> <div class="magick-masthead"> <div class="container"> <script async="async" src="http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-3129977114552745" data-ad-slot="6345125851" data-ad-format="auto"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <nav class="magick-nav"> <a class="magick-nav-item " href="../index.php">Home</a> <a class="magick-nav-item " href="../script/binary-releases.php">Download</a> <a class="magick-nav-item " href="../script/command-line-tools.php">Tools</a> <a class="magick-nav-item " href="../script/command-line-options.php">Options</a> <a class="magick-nav-item " href="../script/resources.php">Resources</a> <a class="magick-nav-item " href="../script/api.php">Develop</a> <a class="magick-nav-item " href="../script/search.php">Search</a> <a class="magick-nav-item pull-right" href="http://www.imagemagick.org/discourse-server/">Community</a> </nav> </div> </div> <div class="container"> <div class="magick-header"> <p class="text-center"><a href="color.php#AcquireColorCache">AcquireColorCache</a> • <a href="color.php#GetColorInfoList">GetColorInfoList</a> • <a href="color.php#GetColorList">GetColorList</a> • <a href="color.php#ListColorInfo">ListColorInfo</a> • <a href="color.php#QueryColorname">QueryColorname</a></p> <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/color_8c.html" id="AcquireColorCache">AcquireColorCache</a></h2> <p>AcquireColorCache() caches one or more color configurations which provides a mapping between color attributes and a color name.</p> <p>The format of the AcquireColorCache method is:</p> <pre class="text"> LinkedListInfo *AcquireColorCache(const char *filename, ExceptionInfo *exception) </pre> <p>A description of each parameter follows:</p> <dd> </dd> <dd> </dd> <dl class="dl-horizontal"> <dt>filename</dt> <dd>the font file name. </dd> <dd> </dd> <dt>exception</dt> <dd>return any errors or warnings in this structure. </dd> <dd> </dd> </dl> <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/color_8c.html" id="GetColorInfoList">GetColorInfoList</a></h2> <p>GetColorInfoList() returns any colors that match the specified pattern.</p> <p>The format of the GetColorInfoList function is:</p> <pre class="text"> const ColorInfo **GetColorInfoList(const char *pattern, size_t *number_colors,ExceptionInfo *exception) </pre> <p>A description of each parameter follows:</p> <dd> </dd> <dd> </dd> <dl class="dl-horizontal"> <dt>pattern</dt> <dd>Specifies a pointer to a text string containing a pattern. </dd> <dd> </dd> <dt>number_colors</dt> <dd> This integer returns the number of colors in the list. </dd> <dd> </dd> <dt>exception</dt> <dd>return any errors or warnings in this structure. </dd> <dd> </dd> </dl> <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/color_8c.html" id="GetColorList">GetColorList</a></h2> <p>GetColorList() returns any colors that match the specified pattern.</p> <p>The format of the GetColorList function is:</p> <pre class="text"> char **GetColorList(const char *pattern,size_t *number_colors, ExceptionInfo *exception) </pre> <p>A description of each parameter follows:</p> <dd> </dd> <dd> </dd> <dl class="dl-horizontal"> <dt>pattern</dt> <dd>Specifies a pointer to a text string containing a pattern. </dd> <dd> </dd> <dt>number_colors</dt> <dd> This integer returns the number of colors in the list. </dd> <dd> </dd> <dt>exception</dt> <dd>return any errors or warnings in this structure. </dd> <dd> </dd> </dl> <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/color_8c.html" id="ListColorInfo">ListColorInfo</a></h2> <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> <p>The format of the ListColorInfo method is:</p> <pre class="text"> MagickBooleanType ListColorInfo(FILE *file,ExceptionInfo *exception) </pre> <p>A description of each parameter follows.</p> <dt>file</dt> <p>List color names to this file handle.</p> <dt>exception</dt> <p>return any errors or warnings in this structure.</p> <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/color_8c.html" id="QueryColorname">QueryColorname</a></h2> <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> <p>UPDATE: the 'image' argument is no longer needed as all information should have been preset using GetPixelInfo().</p> <p>The format of the QueryColorname method is:</p> <pre class="text"> MagickBooleanType QueryColorname(const Image *image, const PixelInfo *color,const ComplianceType compliance,char *name, ExceptionInfo *exception) </pre> <p>A description of each parameter follows.</p> <dt>image</dt> <p>the image. (not used! - color gets settings from GetPixelInfo()</p> <dt>color</dt> <p>the color intensities.</p> <dt>Compliance</dt> <p>Adhere to this color standard: SVG, X11, or XPM.</p> <dt>name</dt> <p>Return the color name or hex value.</p> <dt>exception</dt> <p>return any errors or warnings in this structure.</p> </div> <footer class="magick-footer"> <p><a href="../script/support.php">Donate</a> • <a href="../script/sitemap.php">Sitemap</a> • <a href="../script/links.php">Related</a> • <a href="../script/architecture.php">Architecture</a> </p> <p><a href="color.php#">Back to top</a> • <a href="http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • <a href="../script/contact.php">Contact Us</a></p> <p><small>© 1999-2016 ImageMagick Studio LLC</small></p> </footer> </div><!-- /.container --> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> <script src="http://nextgen.imagemagick.org/js/magick.php"></script> </div> </body> </html>