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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>AtkImage</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><meta name="generator" content="GTK-Doc V1.1 (XML mode)"><style type="text/css"> .synopsis, .classsynopsis { background: #eeeeee; border: solid 1px #aaaaaa; padding: 0.5em; } .programlisting { background: #eeeeff; border: solid 1px #aaaaff; padding: 0.5em; } .variablelist { padding: 4px; margin-left: 3em; } .navigation { background: #ffeeee; border: solid 1px #ffaaaa; margin-top: 0.5em; margin-bottom: 0.5em; } .navigation a { color: #770000; } .navigation a:visited { color: #550000; } .navigation .title { font-size: 200%; } </style><link rel="home" href="index.html" title="ATK Library Reference Manual"><link rel="up" href="atk.html" title="ATK Library"><link rel="previous" href="AtkHypertext.html" title="AtkHypertext"><link rel="next" href="AtkNoOpObject.html" title="AtkNoOpObject"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="AtkHypertext.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="atk.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">ATK Library Reference Manual</th><td><a accesskey="n" href="AtkNoOpObject.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr></table><div class="refentry"><a name="AtkImage"></a><div class="titlepage"></div><div class="refnamediv"><h2>AtkImage</h2><p>AtkImage — The ATK Interface implemented by components which expose image or pixmapcontent on-screen.</p></div><div class="refsynopsisdiv"><h2><h1 class="title"><a name="id271000"></a>Synopsis</h1></h2><pre class="synopsis">struct <a href="AtkImage.html#AtkImage-struct">AtkImage</a>;void <a href="AtkImage.html#atk-image-get-image-position">atk_image_get_image_position</a> (<a href="AtkImage.html" title="AtkImage">AtkImage</a> *image, gint *x, gint *y, <a href="AtkUtil.html#AtkCoordType">AtkCoordType</a> coord_type);G_CONST_RETURN gchar* <a href="AtkImage.html#atk-image-get-image-description">atk_image_get_image_description</a> (<a href="AtkImage.html" title="AtkImage">AtkImage</a> *image);gboolean <a href="AtkImage.html#atk-image-set-image-description">atk_image_set_image_description</a> (<a href="AtkImage.html" title="AtkImage">AtkImage</a> *image, const gchar *description);void <a href="AtkImage.html#atk-image-get-image-size">atk_image_get_image_size</a> (<a href="AtkImage.html" title="AtkImage">AtkImage</a> *image, gint *width, gint *height);</pre></div><div class="refsect1"><h2>Object Hierarchy</h2><pre class="synopsis"> GInterface +----AtkImage</pre></div><div class="refsect1"><h2>Known Implementations</h2><p>AtkImage is implemented by <a href="AtkNoOpObject.html" title="AtkNoOpObject">AtkNoOpObject</a>.</p></div><div class="refsect1"><h2>Description</h2><p><a href="AtkImage.html" title="AtkImage">AtkImage</a> should be implemented by <a href="AtkObject.html" title="AtkObject">AtkObject</a> subtypes on behalf ofcomponents which display image/pixmap information onscreen, and whichprovide information (other than just widget borders, etc.) via thatimage content. For instance, icons, buttons with icons, toolbarelements, and image viewing panes typically should implement <a href="AtkImage.html" title="AtkImage">AtkImage</a>.</p><p><a href="AtkImage.html" title="AtkImage">AtkImage</a> primarily provides two types of information: coordinateinformation (useful for screen review mode of screenreaders, and for useby onscreen magnifiers), and descriptive information. The descriptiveinformation is provided for alternative, text-only presentation of themost significant information present in the image.</p></div><div class="refsect1"><h2>Details</h2><div class="refsect2"><h3><a name="AtkImage-struct"></a>struct AtkImage</h3><a class="indexterm" name="id272239"></a><pre class="programlisting">struct AtkImage;</pre><p>The AtkImage structure does not contain any fields.</p></div><hr><div class="refsect2"><h3><a name="atk-image-get-image-position"></a>atk_image_get_image_position ()</h3><a class="indexterm" name="id272266"></a><pre class="programlisting">void atk_image_get_image_position (<a href="AtkImage.html" title="AtkImage">AtkImage</a> *image, gint *x, gint *y, <a href="AtkUtil.html#AtkCoordType">AtkCoordType</a> coord_type);</pre><p>Gets the position of the image in the form of a point specifying theimages top-left corner. The values of <i><tt>x</tt></i> and <i><tt>y</tt></i> are returned as -1if the values cannot be obtained.</p><p></p><div class="variablelist"><table border="0"><col align="left"><tbody><tr><td><span class="term"><i><tt>image</tt></i>⌨️ 快捷键说明
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