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<!DOCTYPE html PUBLIC "-//gnu.org///DTD XHTML 1.1 plus Target 1.0//EN" "../../../resources/xhtml11-target10.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><title>CanvasItem (Java-Gnome 2.12.4 API Reference)</title><script src="../../../resources/gjdoc.js" type="text/javascript"><!-- this comment required for konqueror 3.2.2 --></script><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"/><meta name="generator" content="GNU Gjdoc Standard Doclet"/><meta name="keywords" content="org.gnu.gnome.CanvasItem class"/><meta name="keywords" content="affineAbsolute()"/><meta name="keywords" content="affineRelative()"/><meta name="keywords" content="getCanvas()"/><meta name="keywords" content="getParent()"/><meta name="keywords" content="getX1()"/><meta name="keywords" content="getX2()"/><meta name="keywords" content="getY1()"/><meta name="keywords" content="getY2()"/><meta name="keywords" content="hide()"/><meta name="keywords" content="lower()"/><meta name="keywords" content="lowerToBotton()"/><meta name="keywords" content="move()"/><meta name="keywords" content="raise()"/><meta name="keywords" content="raiseToTop()"/><meta name="keywords" content="show()"/><meta name="keywords" content="getType()"/><link rel="stylesheet" type="text/css" href="../../../resources/gjdochtml-clean-layout.css" title="GNU Clean"/><link rel="stylesheet" type="text/css" href="../../../resources/gjdochtml-clean-color1.css" title="GNU Clean"/></head><body class="content class" onload="if(parent.contentPageLoaded)parent.contentPageLoaded(document.title)"><table class="navbar div top"><tr><td class="navbar div top"><div class="navbar div top"><span class="navbar item enabled"><a href="../../../overview-summary.html">Overview</a></span> <span class="navbar item enabled"><a href="package-summary.html">Package</a></span> <span class="navbar item enabled"><a href="tree.html">Tree</a></span> <span class="navbar item enabled"><a href="../../../alphaindex.html">Index</a></span> <span class="navbar item enabled"><a href="../../../deprecated.html">Deprecated</a></span> <span class="navbar item enabled"><a href="../../../about.html">About</a></span></div></td></tr><tr><td class="navi"><a href="../../../org/gnu/gnome/CanvasGroup.html">Prev Class</a> | <a href="../../../org/gnu/gnome/CanvasLine.html">Next Class</a></td><td class="navi"><a href="../../../index.html" title="Show in a frameset" target="_top">Frames</a> | <a href="CanvasItem.html" title="Show without frames" target="_top">No Frames</a> </td></tr><tr><td class="navi">Summary: Nested | Field | <a href="#summary-methods">Method</a> | Constr</td><td class="navi">Detail: Nested | Field | <a href="#detail-methods">Method</a> | Constr</td></tr></table><div class="class title outer"><h3 class="class title-package">org.gnu.gnome</h3><h1 class="class title-class">Class CanvasItem</h1></div><div class="class inheritance-tree"><ul class="inheritance 0"><li class="inheritance 0"><code>GObject</code></li><li><ul class="inheritance 1"><li class="inheritance 1"><code>org.gnu.gnome.CanvasItem</code></li><li></li></ul></li></ul></div><dl class="class subclasses"><dt class="class subclasses header"><b>Known Direct Subclasses:</b></dt><dd class="class subclasses header"><a href="../../../org/gnu/gnome/CanvasGroup.html" title="Class in org.gnu.gnome">CanvasGroup</a>, <a href="../../../org/gnu/gnome/CanvasLine.html" title="Class in org.gnu.gnome">CanvasLine</a>, <a href="../../../org/gnu/gnome/CanvasPixbuf.html" title="Class in org.gnu.gnome">CanvasPixbuf</a>, <a href="../../../org/gnu/gnome/CanvasRichText.html" title="Class in org.gnu.gnome">CanvasRichText</a>, <a href="../../../org/gnu/gnome/CanvasShape.html" title="Class in org.gnu.gnome">CanvasShape</a>, <a href="../../../org/gnu/gnome/CanvasText.html" title="Class in org.gnu.gnome">CanvasText</a>, <a href="../../../org/gnu/gnome/CanvasWidget.html" title="Class in org.gnu.gnome">CanvasWidget</a>, <a href="../../../org/gnu/gnome/IconTextItem.html" title="Class in org.gnu.gnome">IconTextItem</a></dd></b></dt></dl><hr/><div class="class synopsis outer"><div class="class synopsis declaration"><code>public class <b class="class synopsis name">CanvasItem</b></code></div><div class="class synopsis superclass"><code>extends GObject</code></div></div><hr/><div class="class description"> The CanvasItem is the base class of all items that a Canvas displays.
</div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><a name="summary-methods" id="summary-methods"/><dl class="table container"><dd><table class="class summary" border="1" width="100%"><tr class="table header"><td colspan="2"><h2 class="table header">Method Summary</h2></td></tr><tr><td class="left" valign="top"><code class="synopsis"> void</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#affineAbsolute(double[])">affineAbsolute</a>(double[] affine)</code></dt><dd class="description"> Apply an absolute affine transformation to the item.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> void</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#affineRelative(double[])">affineRelative</a>(double[] affine)</code></dt><dd class="description"> Apply a relative affine transformation to the item.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> <a href="../../../org/gnu/gnome/Canvas.html" title="Class in org.gnu.gnome">Canvas</a></code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#getCanvas()">getCanvas</a>()</code></dt><dd class="description"> Returns the parent canvas for this item.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> <a href="../../../org/gnu/gnome/CanvasGroup.html" title="Class in org.gnu.gnome">CanvasGroup</a></code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#getParent()">getParent</a>()</code></dt><dd class="description"> Return the parent canvas group for this item.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis">static Type</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#getType()">getType</a>()</code></dt><dd class="description"> Retrieve the runtime type used by the GLib library.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> double</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#getX1()">getX1</a>()</code></dt><dd class="description"> X1 coordinate fo the bounding box for this item (in canvas coordinates).</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> double</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#getX2()">getX2</a>()</code></dt><dd class="description"> X2 coordinate fo the bounding box for this item (in canvas coordinates).</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> double</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#getY1()">getY1</a>()</code></dt><dd class="description"> Y1 coordinate fo the bounding box for this item (in canvas coordinates).</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> double</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#getY2()">getY2</a>()</code></dt><dd class="description"> Y2 coordinate fo the bounding box for this item (in canvas coordinates).</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> void</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#hide()">hide</a>()</code></dt><dd class="description"> Hide the item (make it invisible).</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> void</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#lower(int)">lower</a>(int positions)</code></dt><dd class="description"> Lower the item in the z-order of its parent group by the specified number
of positions.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> void</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#lowerToBotton()">lowerToBotton</a>()</code></dt><dd class="description"> Lower the item to the bottom of its parent group's z-order.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> void</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#move(double,double)">move</a>(double x, double y)</code></dt><dd class="description"> Move the item by the specified amount.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> void</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#raise(int)">raise</a>(int positions)</code></dt><dd class="description"> Raise the item in the z-order of its parent group by the specified number
of positions.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> void</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#raiseToTop()">raiseToTop</a>()</code></dt><dd class="description"> Raise the item to the top of its parent group's z-order.</dd></dl></td></tr><tr><td class="left" valign="top"><code class="synopsis"> void</code></td><td class="right"><dl class="list"><dt class="synopsis"><code><a href="#show()">show</a>()</code></dt><dd class="description"> Show the item (make it visible).</dd></dl></td></tr></table></dd></dl><a name="detail-methods" id="detail-methods"/><h2 class="section header">Method Details</h2><div class="section"><a name="affineAbsolute(double[])" id="affineAbsolute(double[])"/><div class="member detail outer"><h3 class="member detail name">affineAbsolute</h3><pre class="member detail synopsis">public void affineAbsolute(double[] affine)</pre><blockquote class="member detail name"><div class="member detail description"> Apply an absolute affine transformation to the item.
</div><div class="parameter"><dl><dt class="header"><b>Parameters:</b></dt><dd class="item"><code class="name">affine</code><span class="separator"> - </span><span class="description">the affine to apply.</span></dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="affineRelative(double[])" id="affineRelative(double[])"/><div class="member detail outer"><h3 class="member detail name">affineRelative</h3><pre class="member detail synopsis">public void affineRelative(double[] affine)</pre><blockquote class="member detail name"><div class="member detail description"> Apply a relative affine transformation to the item.
</div><div class="parameter"><dl><dt class="header"><b>Parameters:</b></dt><dd class="item"><code class="name">affine</code><span class="separator"> - </span><span class="description">The affine to apply.</span></dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="getCanvas()" id="getCanvas()"/><div class="member detail outer"><h3 class="member detail name">getCanvas</h3><pre class="member detail synopsis">public <a href="../../../org/gnu/gnome/Canvas.html" title="Class in org.gnu.gnome">Canvas</a> getCanvas()</pre><blockquote class="member detail name"><div class="member detail description"> Returns the parent canvas for this item.
</div><div class="member detail return list"><dl><dt class="member detail return header"><b>Returns:</b></dt><dd class="member detail return item">The parent canvas.</dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="getParent()" id="getParent()"/><div class="member detail outer"><h3 class="member detail name">getParent</h3><pre class="member detail synopsis">public <a href="../../../org/gnu/gnome/CanvasGroup.html" title="Class in org.gnu.gnome">CanvasGroup</a> getParent()</pre><blockquote class="member detail name"><div class="member detail description"> Return the parent canvas group for this item.
</div><div class="member detail return list"><dl><dt class="member detail return header"><b>Returns:</b></dt><dd class="member detail return item">The parent cavas group.</dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="getType()" id="getType()"/><div class="member detail outer"><h3 class="member detail name">getType</h3><pre class="member detail synopsis">public static Type getType()</pre><blockquote class="member detail name"><div class="member detail description"> Retrieve the runtime type used by the GLib library.
</div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="getX1()" id="getX1()"/><div class="member detail outer"><h3 class="member detail name">getX1</h3><pre class="member detail synopsis">public double getX1()</pre><blockquote class="member detail name"><div class="member detail description"> X1 coordinate fo the bounding box for this item (in canvas coordinates).
</div><div class="member detail return list"><dl><dt class="member detail return header"><b>Returns:</b></dt><dd class="member detail return item">The X1 coordinate.</dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="getX2()" id="getX2()"/><div class="member detail outer"><h3 class="member detail name">getX2</h3><pre class="member detail synopsis">public double getX2()</pre><blockquote class="member detail name"><div class="member detail description"> X2 coordinate fo the bounding box for this item (in canvas coordinates).
</div><div class="member detail return list"><dl><dt class="member detail return header"><b>Returns:</b></dt><dd class="member detail return item">The X2 coordinate.</dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="getY1()" id="getY1()"/><div class="member detail outer"><h3 class="member detail name">getY1</h3><pre class="member detail synopsis">public double getY1()</pre><blockquote class="member detail name"><div class="member detail description"> Y1 coordinate fo the bounding box for this item (in canvas coordinates).
</div><div class="member detail return list"><dl><dt class="member detail return header"><b>Returns:</b></dt><dd class="member detail return item">The Y1 coordinate.</dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="getY2()" id="getY2()"/><div class="member detail outer"><h3 class="member detail name">getY2</h3><pre class="member detail synopsis">public double getY2()</pre><blockquote class="member detail name"><div class="member detail description"> Y2 coordinate fo the bounding box for this item (in canvas coordinates).
</div><div class="member detail return list"><dl><dt class="member detail return header"><b>Returns:</b></dt><dd class="member detail return item">The Y2 coordinate.</dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="hide()" id="hide()"/><div class="member detail outer"><h3 class="member detail name">hide</h3><pre class="member detail synopsis">public void hide()</pre><blockquote class="member detail name"><div class="member detail description"> Hide the item (make it invisible). If the item is already invisible, it
has no effect.
</div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="lower(int)" id="lower(int)"/><div class="member detail outer"><h3 class="member detail name">lower</h3><pre class="member detail synopsis">public void lower(int positions)</pre><blockquote class="member detail name"><div class="member detail description"> Lower the item in the z-order of its parent group by the specified number
of positions.
</div><div class="parameter"><dl><dt class="header"><b>Parameters:</b></dt><dd class="item"><code class="name">positions</code><span class="separator"> - </span><span class="description">The number of positions to lower the item.</span></dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="lowerToBotton()" id="lowerToBotton()"/><div class="member detail outer"><h3 class="member detail name">lowerToBotton</h3><pre class="member detail synopsis">public void lowerToBotton()</pre><blockquote class="member detail name"><div class="member detail description"> Lower the item to the bottom of its parent group's z-order.
</div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="move(double,double)" id="move(double,double)"/><div class="member detail outer"><h3 class="member detail name">move</h3><pre class="member detail synopsis">public void move(double x,
double y)</pre><blockquote class="member detail name"><div class="member detail description"> Move the item by the specified amount.
</div><div class="parameter"><dl><dt class="header"><b>Parameters:</b></dt><dd class="item"><code class="name">x</code><span class="separator"> - </span><span class="description">The amount to move the item horizontally.</span></dd><dd class="item"><code class="name">y</code><span class="separator"> - </span><span class="description">The amount to move the item vertically.</span></dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="raise(int)" id="raise(int)"/><div class="member detail outer"><h3 class="member detail name">raise</h3><pre class="member detail synopsis">public void raise(int positions)</pre><blockquote class="member detail name"><div class="member detail description"> Raise the item in the z-order of its parent group by the specified number
of positions.
</div><div class="parameter"><dl><dt class="header"><b>Parameters:</b></dt><dd class="item"><code class="name">positions</code><span class="separator"> - </span><span class="description">The number of positions to raise the item.</span></dd></dl></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="raiseToTop()" id="raiseToTop()"/><div class="member detail outer"><h3 class="member detail name">raiseToTop</h3><pre class="member detail synopsis">public void raiseToTop()</pre><blockquote class="member detail name"><div class="member detail description"> Raise the item to the top of its parent group's z-order.
</div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div><hr/><a name="show()" id="show()"/><div class="member detail outer"><h3 class="member detail name">show</h3><pre class="member detail synopsis">public void show()</pre><blockquote class="member detail name"><div class="member detail description"> Show the item (make it visible). If the item is already shown, it has no
effect.
</div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div><div class="taglet"></div></blockquote></div></div><p class="navbar bottom spacer"> </p><table class="navbar div bottom"><tr><td><div class="navbar div top"><span class="navbar item enabled"><a href="../../../overview-summary.html">Overview</a></span> <span class="navbar item enabled"><a href="package-summary.html">Package</a></span> <span class="navbar item enabled"><a href="tree.html">Tree</a></span> <span class="navbar item enabled"><a href="../../../alphaindex.html">Index</a></span> <span class="navbar item enabled"><a href="../../../deprecated.html">Deprecated</a></span> <span class="navbar item enabled"><a href="../../../about.html">About</a></span></div></td><td></td></tr></table></body></html>