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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>GooCanvas Reference Manual: GooCanvasEllipse</title>
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                  <a href="#GooCanvasEllipse.description" class="shortcut">Description</a>
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                  <a href="#GooCanvasEllipse.properties" class="shortcut">Properties</a>
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<div class="refentry">
<a name="GooCanvasEllipse"></a><div class="titlepage"></div>
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<td valign="top">
<h2><span class="refentrytitle"><a name="GooCanvasEllipse.top_of_page"></a>GooCanvasEllipse</span></h2>
<p>GooCanvasEllipse — an ellipse item.</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="GooCanvasEllipse.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">struct              <a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse-struct" title="struct GooCanvasEllipse">GooCanvasEllipse</a>;
<a class="link" href="GooCanvasItem.html" title="GooCanvasItem"><span class="returnvalue">GooCanvasItem</span></a> *     <a class="link" href="GooCanvasEllipse.html#goo-canvas-ellipse-new" title="goo_canvas_ellipse_new ()">goo_canvas_ellipse_new</a>              (<em class="parameter"><code><a class="link" href="GooCanvasItem.html" title="GooCanvasItem"><span class="type">GooCanvasItem</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><span class="type">gdouble</span> center_x</code></em>,
                                                         <em class="parameter"><code><span class="type">gdouble</span> center_y</code></em>,
                                                         <em class="parameter"><code><span class="type">gdouble</span> radius_x</code></em>,
                                                         <em class="parameter"><code><span class="type">gdouble</span> radius_y</code></em>,
                                                         <em class="parameter"><code>...</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GooCanvasEllipse.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  GObject
   +----<a class="link" href="GooCanvasItemSimple.html" title="GooCanvasItemSimple">GooCanvasItemSimple</a>
         +----GooCanvasEllipse
</pre>
</div>
<div class="refsect1">
<a name="GooCanvasEllipse.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GooCanvasEllipse implements
 <a class="link" href="GooCanvasItem.html" title="GooCanvasItem">GooCanvasItem</a>.</p>
</div>
<div class="refsect1">
<a name="GooCanvasEllipse.properties"></a><h2>Properties</h2>
<pre class="synopsis">
  "<a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse--center-x" title='The "center-x" property'>center-x</a>"                 <span class="type">gdouble</span>               : Read / Write
  "<a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse--center-y" title='The "center-y" property'>center-y</a>"                 <span class="type">gdouble</span>               : Read / Write
  "<a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse--height" title='The "height" property'>height</a>"                   <span class="type">gdouble</span>               : Read / Write
  "<a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse--radius-x" title='The "radius-x" property'>radius-x</a>"                 <span class="type">gdouble</span>               : Read / Write
  "<a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse--radius-y" title='The "radius-y" property'>radius-y</a>"                 <span class="type">gdouble</span>               : Read / Write
  "<a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse--width" title='The "width" property'>width</a>"                    <span class="type">gdouble</span>               : Read / Write
  "<a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse--x" title='The "x" property'>x</a>"                        <span class="type">gdouble</span>               : Read / Write
  "<a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse--y" title='The "y" property'>y</a>"                        <span class="type">gdouble</span>               : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="GooCanvasEllipse.description"></a><h2>Description</h2>
<p>
GooCanvasEllipse represents an ellipse item.
</p>
<p>
It is a subclass of <a class="link" href="GooCanvasItemSimple.html" title="GooCanvasItemSimple"><span class="type">GooCanvasItemSimple</span></a> and so inherits all of the style
properties such as "stroke-color", "fill-color" and "line-width".
</p>
<p>
It also implements the <a class="link" href="GooCanvasItem.html" title="GooCanvasItem"><span class="type">GooCanvasItem</span></a> interface, so you can use the
<a class="link" href="GooCanvasItem.html" title="GooCanvasItem"><span class="type">GooCanvasItem</span></a> functions such as <a class="link" href="GooCanvasItem.html#goo-canvas-item-raise" title="goo_canvas_item_raise ()"><code class="function">goo_canvas_item_raise()</code></a> and
<a class="link" href="GooCanvasItem.html#goo-canvas-item-rotate" title="goo_canvas_item_rotate ()"><code class="function">goo_canvas_item_rotate()</code></a>.
</p>
<p>
To create a <a class="link" href="GooCanvasEllipse.html" title="GooCanvasEllipse"><span class="type">GooCanvasEllipse</span></a> use <a class="link" href="GooCanvasEllipse.html#goo-canvas-ellipse-new" title="goo_canvas_ellipse_new ()"><code class="function">goo_canvas_ellipse_new()</code></a>.
</p>
<p>
To get or set the properties of an existing <a class="link" href="GooCanvasEllipse.html" title="GooCanvasEllipse"><span class="type">GooCanvasEllipse</span></a>, use
<code class="function">g_object_get()</code> and <code class="function">g_object_set()</code>.
</p>
<p>
The ellipse can be specified either with the "center-x", "center-y",
"radius-x" and "radius-y" properties, or with the "x", "y", "width" and
"height" properties.
</p>
</div>
<div class="refsect1">
<a name="GooCanvasEllipse.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GooCanvasEllipse-struct"></a><h3>struct GooCanvasEllipse</h3>
<pre class="programlisting">struct GooCanvasEllipse;</pre>
<p>
The <a class="link" href="GooCanvasEllipse.html#GooCanvasEllipse-struct" title="struct GooCanvasEllipse"><span class="type">GooCanvasEllipse</span></a> struct contains private data only.
</p>
</div>
<hr>
<div class="refsect2">
<a name="goo-canvas-ellipse-new"></a><h3>goo_canvas_ellipse_new ()</h3>
<pre class="programlisting"><a class="link" href="GooCanvasItem.html" title="GooCanvasItem"><span class="returnvalue">GooCanvasItem</span></a> *     goo_canvas_ellipse_new              (<em class="parameter"><code><a class="link" href="GooCanvasItem.html" title="GooCanvasItem"><span class="type">GooCanvasItem</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><span class="type">gdouble</span> center_x</code></em>,
                                                         <em class="parameter"><code><span class="type">gdouble</span> center_y</code></em>,
                                                         <em class="parameter"><code><span class="type">gdouble</span> radius_x</code></em>,
                                                         <em class="parameter"><code><span class="type">gdouble</span> radius_y</code></em>,
                                                         <em class="parameter"><code>...</code></em>);</pre>
<p>
Creates a new ellipse item.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the parent item, or <code class="literal">NULL</code>. If a parent is specified, it will assume
ownership of the item, and the item will automatically be freed when it is
removed from the parent. Otherwise call <code class="function">g_object_unref()</code> to free it. <span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>center_x</code></em> :</span></p></td>
<td>the x coordinate of the center of the ellipse.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>center_y</code></em> :</span></p></td>
<td>the y coordinate of the center of the ellipse.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>radius_x</code></em> :</span></p></td>
<td>the horizontal radius of the ellipse.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>radius_y</code></em> :</span></p></td>
<td>the vertical radius of the ellipse.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>optional pairs of property names and values, and a terminating <code class="literal">NULL</code>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new ellipse item. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
<p>
Here's an example showing how to create an ellipse centered at (100.0,
100.0), with a horizontal radius of 50.0 and a vertical radius of 30.0.
It is drawn with a red outline with a width of 5.0 and filled with blue:
</p>
<p>
</p>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1
2
3
4
5</pre></td>
        <td class="listing_code"><pre class="programlisting"><span class="usertype">GooCanvasItem</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">ellipse </span><span class="symbol">=</span><span class="normal"> </span><span class="function"><a href="GooCanvasEllipse.html#goo-canvas-ellipse-new">goo_canvas_ellipse_new</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">mygroup</span><span class="symbol">,</span><span class="normal"> </span><span class="number">100.0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">100.0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">50.0</span><span class="symbol">,</span><span class="normal"> </span><span class="number">30.0</span><span class="symbol">,</span>
<span class="normal">                                                 </span><span class="string">"stroke-color"</span><span class="symbol">,</span><span class="normal"> </span><span class="string">"red"</span><span class="symbol">,</span>
<span class="normal">                                                 </span><span class="string">"line-width"</span><span class="symbol">,</span><span class="normal"> </span><span class="number">5.0</span><span class="symbol">,</span>
<span class="normal">                                                 </span><span class="string">"fill-color"</span><span class="symbol">,</span><span class="normal"> </span><span class="string">"blue"</span><span class="symbol">,</span>
<span class="normal">                                                 NULL</span><span class="symbol">);</span></pre></td>
      </tr>
    </tbody>
  </table>
</div>

<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="GooCanvasEllipse.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GooCanvasEllipse--center-x"></a><h3>The <code class="literal">"center-x"</code> property</h3>
<pre class="programlisting">  "center-x"                 <span class="type">gdouble</span>               : Read / Write</pre>
<p>The x coordinate of the center of the ellipse.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GooCanvasEllipse--center-y"></a><h3>The <code class="literal">"center-y"</code> property</h3>
<pre class="programlisting">  "center-y"                 <span class="type">gdouble</span>               : Read / Write</pre>
<p>The y coordinate of the center of the ellipse.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GooCanvasEllipse--height"></a><h3>The <code class="literal">"height"</code> property</h3>
<pre class="programlisting">  "height"                   <span class="type">gdouble</span>               : Read / Write</pre>
<p>The height of the ellipse.</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GooCanvasEllipse--radius-x"></a><h3>The <code class="literal">"radius-x"</code> property</h3>
<pre class="programlisting">  "radius-x"                 <span class="type">gdouble</span>               : Read / Write</pre>
<p>The horizontal radius of the ellipse.</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GooCanvasEllipse--radius-y"></a><h3>The <code class="literal">"radius-y"</code> property</h3>
<pre class="programlisting">  "radius-y"                 <span class="type">gdouble</span>               : Read / Write</pre>
<p>The vertical radius of the ellipse.</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GooCanvasEllipse--width"></a><h3>The <code class="literal">"width"</code> property</h3>
<pre class="programlisting">  "width"                    <span class="type">gdouble</span>               : Read / Write</pre>
<p>The width of the ellipse.</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GooCanvasEllipse--x"></a><h3>The <code class="literal">"x"</code> property</h3>
<pre class="programlisting">  "x"                        <span class="type">gdouble</span>               : Read / Write</pre>
<p>The x coordinate of the left side of the ellipse.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GooCanvasEllipse--y"></a><h3>The <code class="literal">"y"</code> property</h3>
<pre class="programlisting">  "y"                        <span class="type">gdouble</span>               : Read / Write</pre>
<p>The y coordinate of the top of the ellipse.</p>
<p>Default value: 0</p>
</div>
</div>
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