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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id3774394" class="shortcut">Top</a>
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<a href="#id3774530" class="shortcut">Description</a>
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<a href="#id3774438" class="shortcut">Object Hierarchy</a>
 | 
<a href="#id3774507" class="shortcut">Implemented Interfaces</a></nobr></td></tr>
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<div class="refentry" lang="en">
<a name="GtkGammaCurve"></a><div class="titlepage"></div>
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<h2>
<a name="id3774394"></a><span class="refentrytitle">GtkGammaCurve</span>
</h2>
<p>GtkGammaCurve — a subclass of <a href="GtkCurve.html" title="GtkCurve"><span class="type">GtkCurve</span></a> for editing gamma curves.</p>
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<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<pre class="synopsis">
#include <gtk/gtk.h>
<a href="GtkGammaCurve.html#GtkGammaCurve-struct">GtkGammaCurve</a>;
<a href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a href="GtkGammaCurve.html#gtk-gamma-curve-new">gtk_gamma_curve_new</a> (void);
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id3774438"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a
href="../gobject/gobject-The-Base-Object-Type.html#GObject"
>GObject</a>
+----<a
href="../gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned"
>GInitiallyUnowned</a>
+----<a href="GtkObject.html" title="GtkObject">GtkObject</a>
+----<a href="GtkWidget.html" title="GtkWidget">GtkWidget</a>
+----<a href="GtkContainer.html" title="GtkContainer">GtkContainer</a>
+----<a href="GtkBox.html" title="GtkBox">GtkBox</a>
+----<a href="GtkVBox.html" title="GtkVBox">GtkVBox</a>
+----GtkGammaCurve
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id3774507"></a><h2>Implemented Interfaces</h2>
<p>
GtkGammaCurve implements
AtkImplementorIface.</p>
</div>
<div class="refsect1" lang="en">
<a name="id3774530"></a><h2>Description</h2>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>
This widget is considered too specialized/little-used for
GTK+, and will in the future be moved to some other package. If
your application needs this widget, feel free to use it, as the
widget does work and is useful in some applications; it's just not
of general interest. However, we are not accepting new features for
the widget, and it will eventually move out of the GTK+
distribution.
</p>
</div>
<p>
The <a href="GtkGammaCurve.html" title="GtkGammaCurve"><span class="type">GtkGammaCurve</span></a> widget is a variant of <a href="GtkCurve.html" title="GtkCurve"><span class="type">GtkCurve</span></a> specifically for
editing gamma curves, which are used in graphics applications such as the
Gimp.
</p>
<p>
The <a href="GtkGammaCurve.html" title="GtkGammaCurve"><span class="type">GtkGammaCurve</span></a> widget shows a curve which the user can edit with the
mouse just like a <a href="GtkCurve.html" title="GtkCurve"><span class="type">GtkCurve</span></a> widget. On the right of the curve it also displays
5 buttons, 3 of which change between the 3 curve modes (spline, linear and
free), and the other 2 set the curve to a particular gamma value, or reset it
to a straight line.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id3774600"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="id3774610"></a><h3>
<a name="GtkGammaCurve-struct"></a>GtkGammaCurve</h3>
<a class="indexterm" name="id3774624"></a><pre class="programlisting">typedef struct _GtkGammaCurve GtkGammaCurve;</pre>
<p>
The <a href="GtkGammaCurve.html" title="GtkGammaCurve"><span class="type">GtkGammaCurve</span></a> struct contains private data only, and
should be accessed using the functions below.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3774650"></a><h3>
<a name="gtk-gamma-curve-new"></a>gtk_gamma_curve_new ()</h3>
<a class="indexterm" name="id3774663"></a><pre class="programlisting"><a href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* gtk_gamma_curve_new (void);</pre>
<p>
Creates a new <a href="GtkGammaCurve.html" title="GtkGammaCurve"><span class="type">GtkGammaCurve</span></a>.
</p>
<div class="variablelist"><table border="0">
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<tbody><tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td>a new <a href="GtkGammaCurve.html" title="GtkGammaCurve"><span class="type">GtkGammaCurve</span></a>.
</td>
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