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<!DOCTYPE html> <html lang="en"> <head> <meta name="google-site-verification" content="_bMOCDpkx9ZAzBwb2kF3PRHbfUUdFj2uO8Jd1AXArz4" /> <title>ImageMagick: MagickCore, C API for ImageMagick: Annotate 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:, annotate, 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="annotate.php#AnnotateImage">AnnotateImage</a> • <a href="annotate.php#FormatMagickCaption">FormatMagickCaption</a> • <a href="annotate.php#GetMultilineTypeMetrics">GetMultilineTypeMetrics</a> • <a href="annotate.php#GetTypeMetrics">GetTypeMetrics</a></p> <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/annotate_8c.html" id="AnnotateImage">AnnotateImage</a></h2> <p>AnnotateImage() annotates an image with text. Optionally you can include any of the following bits of information about the image by embedding the appropriate special characters:</p> <pre class="text"> \n newline \r carriage return < less-than character. > greater-than character. & ampersand character. a percent sign b file size of image read in c comment meta-data property d directory component of path e filename extension or suffix f filename (including suffix) g layer canvas page geometry (equivalent to "WxHXY") h current image height in pixels i image filename (note: becomes output filename for "info:") k CALCULATED: number of unique colors l label meta-data property m image file format (file magic) n number of images in current image sequence o output filename (used for delegates) p index of image in current image list q quantum depth (compile-time constant) r image class and colorspace s scene number (from input unless re-assigned) t filename without directory or extension (suffix) u unique temporary filename (used for delegates) w current width in pixels x x resolution (density) y y resolution (density) z image depth (as read in unless modified, image save depth) A image transparency channel enabled (true/false) C image compression type D image GIF dispose method G original image size (wxh; before any resizes) H page (canvas) height M Magick filename (original file exactly as given, including read mods) O page (canvas) offset ( = XY ) P page (canvas) size ( = WxH ) Q image compression quality ( 0 = default ) S ?? scenes ?? T image time delay (in centi-seconds) U image resolution units W page (canvas) width X page (canvas) x offset (including sign) Y page (canvas) y offset (including sign) Z unique filename (used for delegates) @ CALCULATED: trim bounding box (without actually trimming) # CALCULATED: 'signature' hash of image values </pre> <p>The format of the AnnotateImage method is:</p> <pre class="text"> MagickBooleanType AnnotateImage(Image *image,DrawInfo *draw_info, ExceptionInfo *exception) </pre> <p>A description of each parameter follows:</p> <dd> </dd> <dd> </dd> <dl class="dl-horizontal"> <dt>image</dt> <dd>the image. </dd> <dd> </dd> <dt>draw_info</dt> <dd>the draw info. </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/annotate_8c.html" id="FormatMagickCaption">FormatMagickCaption</a></h2> <p>FormatMagickCaption() formats a caption so that it fits within the image width. It returns the number of lines in the formatted caption.</p> <p>The format of the FormatMagickCaption method is:</p> <pre class="text"> ssize_t FormatMagickCaption(Image *image,DrawInfo *draw_info, const MagickBooleanType split,TypeMetric *metrics,char **caption, ExceptionInfo *exception) </pre> <p>A description of each parameter follows.</p> <dt>image</dt> <p>The image.</p> <dt>draw_info</dt> <p>the draw info.</p> <dt>split</dt> <p>when no convenient line breaks-- insert newline.</p> <dt>metrics</dt> <p>Return the font metrics in this structure.</p> <dt>caption</dt> <p>the caption.</p> <dt>exception</dt> <p>return any errors or warnings in this structure.</p> <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/annotate_8c.html" id="GetMultilineTypeMetrics">GetMultilineTypeMetrics</a></h2> <p>GetMultilineTypeMetrics() returns the following information for the specified font and text:</p> <pre class="text"> character width character height ascender descender text width text height maximum horizontal advance bounds: x1 bounds: y1 bounds: x2 bounds: y2 origin: x origin: y underline position underline thickness </pre> <p>This method is like GetTypeMetrics() but it returns the maximum text width and height for multiple lines of text.</p> <p>The format of the GetMultilineTypeMetrics method is:</p> <pre class="text"> MagickBooleanType GetMultilineTypeMetrics(Image *image, const DrawInfo *draw_info,TypeMetric *metrics,ExceptionInfo *exception) </pre> <p>A description of each parameter follows:</p> <dd> </dd> <dd> </dd> <dl class="dl-horizontal"> <dt>image</dt> <dd>the image. </dd> <dd> </dd> <dt>draw_info</dt> <dd>the draw info. </dd> <dd> </dd> <dt>metrics</dt> <dd>Return the font metrics in this structure. </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/annotate_8c.html" id="GetTypeMetrics">GetTypeMetrics</a></h2> <p>GetTypeMetrics() returns the following information for the specified font and text:</p> <pre class="text"> character width character height ascender descender text width text height maximum horizontal advance bounds: x1 bounds: y1 bounds: x2 bounds: y2 origin: x origin: y underline position underline thickness </pre> <p>The format of the GetTypeMetrics method is:</p> <pre class="text"> MagickBooleanType GetTypeMetrics(Image *image,const DrawInfo *draw_info, TypeMetric *metrics,ExceptionInfo *exception) </pre> <p>A description of each parameter follows:</p> <dd> </dd> <dd> </dd> <dl class="dl-horizontal"> <dt>image</dt> <dd>the image. </dd> <dd> </dd> <dt>draw_info</dt> <dd>the draw info. </dd> <dd> </dd> <dt>metrics</dt> <dd>Return the font metrics in this structure. </dd> <dd> </dd> <dt>exception</dt> <dd>return any errors or warnings in this structure. </dd> <dd> </dd> </dl> </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="annotate.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>