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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | <html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>goocanvas.Polyline</title><link rel="stylesheet" type="text/css" href="style.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="PyGooCanvas Reference Manual"><link rel="up" href="pygoocanvas-std-items.html" title="PyGooCanvas Standard Canvas Items Reference"><link rel="prev" href="class-canvas-path.html" title="goocanvas.Path"><link rel="next" href="class-canvas-rect.html" title="goocanvas.Rect"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">goocanvas.Polyline</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="class-canvas-path.html">Prev</a> </td><th width="60%" align="center">PyGooCanvas Standard Canvas Items Reference</th><td width="20%" align="right"> <a accesskey="n" href="class-canvas-rect.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="class-canvas-polyline"></a><div class="titlepage"></div><div class="refnamediv"><h2>goocanvas.Polyline</h2><p>goocanvas.Polyline — A polyline item (a series of lines with optional arrows).</p></div><div class="refsect1"><a name="idp46888209280400"></a><h2>Synopsis</h2><table bgcolor="#D0E0F0" width="100%"><tr><td><pre class="classsynopsis">class <span class="ooclass"><span class="classname">goocanvas.Polyline</span></span>(<span class="ooclass"><span class="classname">goocanvas.ItemSimple</span></span>):
<code class="constructorsynopsis"> <span class="methodname">goocanvas.Polyline</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>properties</code></strong></span><span class="initializer">=None</span></span>)</code><br></pre></td></tr></table><pre class="programlisting">
<span class="bold"><strong>Functions</strong></span>
<code class="methodsynopsis"> def <span class="methodname">goocanvas.polyline_new_line</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>parent</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>x1</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y1</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>x2</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y2</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>properties</code></strong></span></span>)</code></pre></div><div class="refsect1"><a name="idp46888209293584"></a><h2>Ancestry</h2><pre class="synopsis">+-- <a
href="../pygobject/class-gobject.html"
>gobject.GObject</a>
+-- goocanvas.ItemSimple
+-- goocanvas.Polyline
</pre></div><div class="refsect1"><a name="properties-goocanvaspolyline"></a><h2>goocanvas.Polyline Properties</h2><div class="blockquote"><table width="100%" border="0" bgcolor="#E0E0E0"><tr><td valign="top"><div class="informaltable"><table width="100%" border="0"><colgroup><col width="1in"><col width="1in"><col width="3.5in"></colgroup><tbody><tr valign="top"><td valign="top">"arrow-length"</td><td valign="top">Read/Write</td><td valign="top">The length of the arrows, as a multiple of the line width. Allowed values: >= 0. Default value: 5.</td></tr><tr valign="top"><td valign="top">"arrow-tip-length"</td><td valign="top">Read/Write</td><td valign="top">The length of the arrow tip, as a multiple of the line width. Allowed values: >= 0. Default value: 4.</td></tr><tr valign="top"><td valign="top">"arrow-width"</td><td valign="top">Read/Write</td><td valign="top">The width of the arrows, as a multiple of the line width. Allowed values: >= 0. Default value: 4.</td></tr><tr valign="top"><td valign="top">"close-path"</td><td valign="top">Read/Write</td><td valign="top">If the last point should be connected to the first. Default value: False.</td></tr><tr valign="top"><td valign="top">"end-arrow"</td><td valign="top">Read/Write</td><td valign="top">If an arrow should be displayed at the end of the polyline. Default value: False.</td></tr><tr valign="top"><td valign="top">"height"</td><td valign="top">Read/Write</td><td valign="top">The height of the polyline. Allowed values: >= 0. Default value: 0.</td></tr><tr valign="top"><td valign="top">"points"</td><td valign="top">Read/Write</td><td valign="top">The array of points.</td></tr><tr valign="top"><td valign="top">"start-arrow"</td><td valign="top">Read/Write</td><td valign="top">If an arrow should be displayed at the start of the polyline. Default value: False.</td></tr><tr valign="top"><td valign="top">"width"</td><td valign="top">Read/Write</td><td valign="top">The width of the polyline. Allowed values: >= 0. Default value: 0.</td></tr><tr valign="top"><td valign="top">"x"</td><td valign="top">Read/Write</td><td valign="top">The x coordinate of the left-most point of the polyline. Default value: 0.</td></tr><tr valign="top"><td valign="top">"y"</td><td valign="top">Read/Write</td><td valign="top">The y coordinate of the top-most point of the polyline. Default value: 0.</td></tr></tbody></table></div></td></tr></table></div></div><div class="refsect1"><a name="idp46888210699248"></a><h2>Implemented Interfaces</h2><p>
<code class="classname">goocanvas.Polyline</code>
implements
<code class="classname">goocanvas.Item</code>
</p></div><div class="refsect1"><a name="idp46888210702288"></a><h2>Description</h2><code class="classname">goocanvas.Polyline</code>
represents a polyline item, which is a series of one or more lines, with optional arrows at either end.
It is a subclass of
<code class="classname">goocanvas.ItemSimple</code>
and so inherits all of the style properties such as "stroke-color", "fill-color" and "line-width".
It also implements the <code class="classname">goocanvas.Item</code>
interface, so you can use the <code class="classname">goocanvas.Item</code>
functions such as <code class="methodname">goocanvas.Item.raise_()</code>
and <code class="methodname">goocanvas.Item.rotate()</code></div><div class="refsect1"><a name="constructor-canvas-polyline"></a><h2>Constructor</h2><pre class="programlisting"><code class="constructorsynopsis"> <span class="methodname">goocanvas.Polyline</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>properties</code></strong></span><span class="initializer">=None</span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>properties</code></strong>:</span></p></td><td>A comma separated list of properties.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span>:</span></p></td><td>A new
<code class="classname">goocanvas.Polyline</code>
</td></tr></tbody></table><p>
Creates a new canvas polyline item.
</p><p>
Here's an example showing how to create a filled triangle with vertices at (100,100), (300,100), and (200,300).
</p><pre class="programlisting">
p_points = goocanvas.Points([(100.0, 100.0), (300.0, 100.0), (200.0, 300.0)])
polyline = goocanvas.Polyline(points=p_points, close_path=True, stroke_color="red", fill_color="blue")
</pre></div><div class="refsect1"><a name="idp46888210719200"></a><h2>Functions</h2><div class="refsect2"><a name="function-goocanvas--polyline-new-line"></a><h3>goocanvas.polyline_new_line</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">goocanvas.polyline_new_line</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>parent</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>x1</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y1</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>x2</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>y2</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>properties</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>parent</code></strong>:</span></p></td><td>The parent item, or None.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>x1</code></strong>:</span></p></td><td>The x coordinate of the start of the line.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>y1</code></strong>:</span></p></td><td>The y coordinate of the start of the line.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>x2</code></strong>:</span></p></td><td>The x coordinate of the end of the line.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>y2</code></strong>:</span></p></td><td>The y coordinate of the end of the line.</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>properties</code></strong>:</span></p></td><td>A comma separated list of properties.</td></tr></tbody></table><p>
Creates a new polyline item with a single line.
</p></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="class-canvas-path.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="pygoocanvas-std-items.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="class-canvas-rect.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">goocanvas.Path </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> goocanvas.Rect</td></tr></table></div></body></html>
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