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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GOffice Reference Manual: GocStyledItem</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="GOffice Reference Manual">
<link rel="up" href="ch04.html" title="Base objects">
<link rel="prev" href="GocGroup.html" title="GocGroup">
<link rel="next" href="ch05.html" title="Items">
<meta name="generator" content="GTK-Doc V1.21 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#GocStyledItem.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
                  <a href="#GocStyledItem.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces">  <span class="dim">|</span> 
                  <a href="#GocStyledItem.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties">  <span class="dim">|</span> 
                  <a href="#GocStyledItem.properties" class="shortcut">Properties</a></span><span id="nav_signals">  <span class="dim">|</span> 
                  <a href="#GocStyledItem.signals" class="shortcut">Signals</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch04.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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<td><a accesskey="n" href="ch05.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="GocStyledItem"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GocStyledItem.top_of_page"></a>GocStyledItem</span></h2>
<p>GocStyledItem — Styled items</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GocStyledItem.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GocStyledItem.html#goc-styled-item-set-cairo-line" title="goc_styled_item_set_cairo_line ()">goc_styled_item_set_cairo_line</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GocStyledItem.html#goc-styled-item-get-scale-line-width" title="goc_styled_item_get_scale_line_width ()">goc_styled_item_get_scale_line_width</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GocStyledItem.html#goc-styled-item-set-scale-line-width" title="goc_styled_item_set_scale_line_width ()">goc_styled_item_set_scale_line_width</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GocStyledItem.properties"></a><h2>Properties</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="GocStyledItem.html#GocStyledItem--scale-line-width" title="The “scale-line-width” property">scale-line-width</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a class="link" href="GOStyle.html" title="GOStyle"><span class="type">GOStyle</span></a> *</td>
<td class="property_name"><a class="link" href="GocStyledItem.html#GocStyledItem--style" title="The “style” property">style</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GocStyledItem.signals"></a><h2>Signals</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody><tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GocStyledItem.html#GocStyledItem-style-changed" title="The “style-changed” signal">style-changed</a></td>
<td class="signal_flags">Run Last</td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GocStyledItem.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GocStyledItem.html#GocStyledItem-struct" title="GocStyledItem">GocStyledItem</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GocStyledItem.html#GocStyledItemClass" title="struct GocStyledItemClass">GocStyledItemClass</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GocStyledItem.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
    <span class="lineart">╰──</span> <a class="link" href="GocItem.html" title="GocItem">GocItem</a>
        <span class="lineart">╰──</span> GocStyledItem
            <span class="lineart">├──</span> <a class="link" href="GocArc.html" title="GocArc">GocArc</a>
            <span class="lineart">├──</span> <a class="link" href="GocCircle.html" title="GocCircle">GocCircle</a>
            <span class="lineart">├──</span> <a class="link" href="GocEllipse.html" title="GocEllipse">GocEllipse</a>
            <span class="lineart">├──</span> <a class="link" href="GocLine.html" title="GocLine">GocLine</a>
            <span class="lineart">├──</span> GocPath
            <span class="lineart">├──</span> <a class="link" href="GocPolygon.html" title="GocPolygon">GocPolygon</a>
            <span class="lineart">├──</span> <a class="link" href="GocPolyline.html" title="GocPolyline">GocPolyline</a>
            <span class="lineart">├──</span> <a class="link" href="GocRectangle.html" title="GocRectangle">GocRectangle</a>
            <span class="lineart">╰──</span> <a class="link" href="GocText.html" title="GocText">GocText</a>
</pre>
</div>
<div class="refsect1">
<a name="GocStyledItem.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GocStyledItem implements
 <a class="link" href="GOStyledObject.html" title="GOStyledObject">GOStyledObject</a>.</p>
</div>
<div class="refsect1">
<a name="GocStyledItem.description"></a><h2>Description</h2>
<p>The virtual base object for canvas items with style.</p>
</div>
<div class="refsect1">
<a name="GocStyledItem.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="goc-styled-item-set-cairo-line"></a><h3>goc_styled_item_set_cairo_line ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
goc_styled_item_set_cairo_line (<em class="parameter"><code><a class="link" href="GocStyledItem.html" title="GocStyledItem"><span class="type">GocStyledItem</span></a> const *gsi</code></em>,
                                <em class="parameter"><code><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"><span class="type">cairo_t</span></a> *cr</code></em>);</pre>
<p>Prepares the cairo context <em class="parameter"><code>cr</code></em>
 to draw a line according to the
item style and canvas scale. The line width is scaled only if
the scale-line-width property is set to <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>. This function calls
<a class="link" href="GOStyledObject.html#go-styled-object-set-cairo-line" title="go_styled_object_set_cairo_line ()"><code class="function">go_styled_object_set_cairo_line()</code></a>.</p>
<p>If the item drawing used <a class="link" href="GocGroup.html#goc-group-cairo-transform" title="goc_group_cairo_transform ()"><code class="function">goc_group_cairo_transform()</code></a>,
scale-line-width should be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> to avoid scaling twice, or
<a class="link" href="GOStyledObject.html#go-styled-object-set-cairo-line" title="go_styled_object_set_cairo_line ()"><code class="function">go_styled_object_set_cairo_line()</code></a> should be called directly instead.</p>
<div class="refsect3">
<a name="id-1.4.2.5.10.2.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>gsi</p></td>
<td class="parameter_description"><p><a class="link" href="GocStyledItem.html" title="GocStyledItem"><span class="type">GocStyledItem</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cr</p></td>
<td class="parameter_description"><p><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"><span class="type">cairo_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.5.10.2.7"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the line is not invisible</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="goc-styled-item-get-scale-line-width"></a><h3>goc_styled_item_get_scale_line_width ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
goc_styled_item_get_scale_line_width (<em class="parameter"><code><a class="link" href="GocStyledItem.html" title="GocStyledItem"><span class="type">GocStyledItem</span></a> const *gsi</code></em>);</pre>
<p>This function returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the line width needs to be scaled. It will
always return <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if the line width is 0.</p>
<div class="refsect3">
<a name="id-1.4.2.5.10.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>gsi</p></td>
<td class="parameter_description"><p><a class="link" href="GocStyledItem.html" title="GocStyledItem"><span class="type">GocStyledItem</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.2.5.10.3.6"></a><h4>Returns</h4>
<p> whether the line width needs to be scaled.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="goc-styled-item-set-scale-line-width"></a><h3>goc_styled_item_set_scale_line_width ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
goc_styled_item_set_scale_line_width (<em class="parameter"><code><a class="link" href="GocStyledItem.html" title="GocStyledItem"><span class="type">GocStyledItem</span></a> *gsi</code></em>,
                                      <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> scale_line_width</code></em>);</pre>
<p>Sets whether the line width needs to be scaled according to the current
canvas resolution and the item transformation. It will be ignored if the
line width is 0. Default value is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>.</p>
<div class="refsect3">
<a name="id-1.4.2.5.10.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>gsi</p></td>
<td class="parameter_description"><p><a class="link" href="GocStyledItem.html" title="GocStyledItem"><span class="type">GocStyledItem</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>scale_line_width</p></td>
<td class="parameter_description"><p>boolean</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="GocStyledItem.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GocStyledItem-struct"></a><h3>GocStyledItem</h3>
<pre class="programlisting">typedef struct _GocStyledItem GocStyledItem;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GocStyledItemClass"></a><h3>struct GocStyledItemClass</h3>
<pre class="programlisting">struct GocStyledItemClass {
	/* virtual */
	void	  (*init_style)     	(GocStyledItem *item, GOStyle *style);
	void (*reserved1) (void);
	void (*reserved2) (void);
};
</pre>
<div class="refsect3">
<a name="id-1.4.2.5.11.3.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GocStyledItemClass.init-style"></a>init_style</code></em> ()</p></td>
<td class="struct_member_description"><p>style initialization handler.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GocStyledItemClass.reserved1"></a>reserved1</code></em> ()</p></td>
<td class="struct_member_description"> </td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GocStyledItemClass.reserved2"></a>reserved2</code></em> ()</p></td>
<td class="struct_member_description"> </td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="GocStyledItem.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GocStyledItem--scale-line-width"></a><h3>The <code class="literal">“scale-line-width”</code> property</h3>
<pre class="programlisting">  “scale-line-width”         <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Whether to scale the line width when zooming.</p>
<p>Flags: Read / Write</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GocStyledItem--style"></a><h3>The <code class="literal">“style”</code> property</h3>
<pre class="programlisting">  “style”                    <a class="link" href="GOStyle.html" title="GOStyle"><span class="type">GOStyle</span></a> *</pre>
<p>A pointer to the GOStyle object.</p>
<p>Flags: Read / Write</p>
</div>
</div>
<div class="refsect1">
<a name="GocStyledItem.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GocStyledItem-style-changed"></a><h3>The <code class="literal">“style-changed”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GocStyledItem.html" title="GocStyledItem"><span class="type">GocStyledItem</span></a> *gsi,
               <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a>       *style,
               <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)</pre>
<p>The ::style-changed signal is emitted when a new style
has been set on a styled item.</p>
<div class="refsect3">
<a name="id-1.4.2.5.13.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>gsi</p></td>
<td class="parameter_description"><p>the object on which the signal is emitted</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>style</p></td>
<td class="parameter_description"><p>the new <a class="link" href="GOStyle.html" title="GOStyle"><span class="type">GOStyle</span></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
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<p>Flags: Run Last</p>
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