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<div class="refentry">
<a name="GnomeBG"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GnomeBG.top_of_page"></a>GnomeBG</span></h2>
<p>GnomeBG</p>
</td>
<td valign="top" align="right"></td>
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<div class="refsynopsisdiv">
<a name="GnomeBG.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <libgnomeui/gnome-bg.h>
<a class="link" href="GnomeBG.html#GnomeBG-struct" title="GnomeBG">GnomeBG</a>;
enum <a class="link" href="GnomeBG.html#GnomeBGColorType" title="enum GnomeBGColorType">GnomeBGColorType</a>;
enum <a class="link" href="GnomeBG.html#GnomeBGPlacement" title="enum GnomeBGPlacement">GnomeBGPlacement</a>;
#define <a class="link" href="GnomeBG.html#GNOME-BG-KEY-DIR:CAPS" title="GNOME_BG_KEY_DIR">GNOME_BG_KEY_DIR</a>
<a class="link" href="GnomeBG.html" title="GnomeBG"><span class="returnvalue">GnomeBG</span></a> * <a class="link" href="GnomeBG.html#gnome-bg-new" title="gnome_bg_new ()">gnome_bg_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">void</span> <a class="link" href="GnomeBG.html#gnome-bg-load-from-preferences" title="gnome_bg_load_from_preferences ()">gnome_bg_load_from_preferences</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">GConfClient</span> *client</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GnomeBG.html#gnome-bg-save-to-preferences" title="gnome_bg_save_to_preferences ()">gnome_bg_save_to_preferences</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">GConfClient</span> *client</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GnomeBG.html#gnome-bg-set-filename" title="gnome_bg_set_filename ()">gnome_bg_set_filename</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *filename</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GnomeBG.html#gnome-bg-set-placement" title="gnome_bg_set_placement ()">gnome_bg_set_placement</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeBG.html#GnomeBGPlacement" title="enum GnomeBGPlacement"><span class="type">GnomeBGPlacement</span></a> placement</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GnomeBG.html#gnome-bg-set-color" title="gnome_bg_set_color ()">gnome_bg_set_color</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeBG.html#GnomeBGColorType" title="enum GnomeBGColorType"><span class="type">GnomeBGColorType</span></a> type</code></em>,
<em class="parameter"><code><span class="type">GdkColor</span> *primary</code></em>,
<em class="parameter"><code><span class="type">GdkColor</span> *secondary</code></em>);
const <span class="returnvalue">gchar</span> * <a class="link" href="GnomeBG.html#gnome-bg-get-filename" title="gnome_bg_get_filename ()">gnome_bg_get_filename</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>);
<a class="link" href="GnomeBG.html#GnomeBGPlacement" title="enum GnomeBGPlacement"><span class="returnvalue">GnomeBGPlacement</span></a> <a class="link" href="GnomeBG.html#gnome-bg-get-placement" title="gnome_bg_get_placement ()">gnome_bg_get_placement</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GnomeBG.html#gnome-bg-get-color" title="gnome_bg_get_color ()">gnome_bg_get_color</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeBG.html#GnomeBGColorType" title="enum GnomeBGColorType"><span class="type">GnomeBGColorType</span></a> *type</code></em>,
<em class="parameter"><code><span class="type">GdkColor</span> *primary</code></em>,
<em class="parameter"><code><span class="type">GdkColor</span> *secondary</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GnomeBG.html#gnome-bg-draw" title="gnome_bg_draw ()">gnome_bg_draw</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">GdkPixbuf</span> *dest</code></em>,
<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> is_root</code></em>);
<span class="returnvalue">GdkPixmap</span> * <a class="link" href="GnomeBG.html#gnome-bg-create-pixmap" title="gnome_bg_create_pixmap ()">gnome_bg_create_pixmap</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">GdkWindow</span> *window</code></em>,
<em class="parameter"><code><span class="type">int</span> width</code></em>,
<em class="parameter"><code><span class="type">int</span> height</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> root</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="GnomeBG.html#gnome-bg-get-image-size" title="gnome_bg_get_image_size ()">gnome_bg_get_image_size</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeDesktopThumbnailFactory.html" title="GnomeDesktopThumbnailFactory"><span class="type">GnomeDesktopThumbnailFactory</span></a> *factory</code></em>,
<em class="parameter"><code><span class="type">int</span> best_width</code></em>,
<em class="parameter"><code><span class="type">int</span> best_height</code></em>,
<em class="parameter"><code><span class="type">int</span> *width</code></em>,
<em class="parameter"><code><span class="type">int</span> *height</code></em>);
<span class="returnvalue">GdkPixbuf</span> * <a class="link" href="GnomeBG.html#gnome-bg-create-thumbnail" title="gnome_bg_create_thumbnail ()">gnome_bg_create_thumbnail</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeDesktopThumbnailFactory.html" title="GnomeDesktopThumbnailFactory"><span class="type">GnomeDesktopThumbnailFactory</span></a> *factory</code></em>,
<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code><span class="type">int</span> dest_width</code></em>,
<em class="parameter"><code><span class="type">int</span> dest_height</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="GnomeBG.html#gnome-bg-is-dark" title="gnome_bg_is_dark ()">gnome_bg_is_dark</a> (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">int</span> dest_width</code></em>,
<em class="parameter"><code><span class="type">int</span> dest_height</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GnomeBG.html#gnome-bg-set-pixmap-as-root" title="gnome_bg_set_pixmap_as_root ()">gnome_bg_set_pixmap_as_root</a> (<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code><span class="type">GdkPixmap</span> *pixmap</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GnomeBG.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----GnomeBG
</pre>
</div>
<div class="refsect1">
<a name="GnomeBG.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="GnomeBG.html#GnomeBG-changed" title='The "changed" signal'>changed</a>" : <code class="literal">Run Last</code>
"<a class="link" href="GnomeBG.html#GnomeBG-transitioned" title='The "transitioned" signal'>transitioned</a>" : <code class="literal">Run Last</code>
</pre>
</div>
<div class="refsect1">
<a name="GnomeBG.description"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1">
<a name="GnomeBG.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GnomeBG-struct"></a><h3>GnomeBG</h3>
<pre class="programlisting">typedef struct _GnomeBG GnomeBG;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GnomeBGColorType"></a><h3>enum GnomeBGColorType</h3>
<pre class="programlisting">typedef enum {
GNOME_BG_COLOR_SOLID,
GNOME_BG_COLOR_H_GRADIENT,
GNOME_BG_COLOR_V_GRADIENT
} GnomeBGColorType;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GnomeBGPlacement"></a><h3>enum GnomeBGPlacement</h3>
<pre class="programlisting">typedef enum {
GNOME_BG_PLACEMENT_TILED,
GNOME_BG_PLACEMENT_ZOOMED,
GNOME_BG_PLACEMENT_CENTERED,
GNOME_BG_PLACEMENT_SCALED,
GNOME_BG_PLACEMENT_FILL_SCREEN,
GNOME_BG_PLACEMENT_SPANNED
} GnomeBGPlacement;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNOME-BG-KEY-DIR:CAPS"></a><h3>GNOME_BG_KEY_DIR</h3>
<pre class="programlisting">#define GNOME_BG_KEY_DIR "/desktop/gnome/background"
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-new"></a><h3>gnome_bg_new ()</h3>
<pre class="programlisting"><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="returnvalue">GnomeBG</span></a> * gnome_bg_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-load-from-preferences"></a><h3>gnome_bg_load_from_preferences ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_bg_load_from_preferences (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">GConfClient</span> *client</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-save-to-preferences"></a><h3>gnome_bg_save_to_preferences ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_bg_save_to_preferences (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">GConfClient</span> *client</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-set-filename"></a><h3>gnome_bg_set_filename ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_bg_set_filename (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *filename</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-set-placement"></a><h3>gnome_bg_set_placement ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_bg_set_placement (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeBG.html#GnomeBGPlacement" title="enum GnomeBGPlacement"><span class="type">GnomeBGPlacement</span></a> placement</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-set-color"></a><h3>gnome_bg_set_color ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_bg_set_color (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeBG.html#GnomeBGColorType" title="enum GnomeBGColorType"><span class="type">GnomeBGColorType</span></a> type</code></em>,
<em class="parameter"><code><span class="type">GdkColor</span> *primary</code></em>,
<em class="parameter"><code><span class="type">GdkColor</span> *secondary</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-get-filename"></a><h3>gnome_bg_get_filename ()</h3>
<pre class="programlisting">const <span class="returnvalue">gchar</span> * gnome_bg_get_filename (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-get-placement"></a><h3>gnome_bg_get_placement ()</h3>
<pre class="programlisting"><a class="link" href="GnomeBG.html#GnomeBGPlacement" title="enum GnomeBGPlacement"><span class="returnvalue">GnomeBGPlacement</span></a> gnome_bg_get_placement (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-get-color"></a><h3>gnome_bg_get_color ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_bg_get_color (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeBG.html#GnomeBGColorType" title="enum GnomeBGColorType"><span class="type">GnomeBGColorType</span></a> *type</code></em>,
<em class="parameter"><code><span class="type">GdkColor</span> *primary</code></em>,
<em class="parameter"><code><span class="type">GdkColor</span> *secondary</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-draw"></a><h3>gnome_bg_draw ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_bg_draw (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">GdkPixbuf</span> *dest</code></em>,
<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> is_root</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-create-pixmap"></a><h3>gnome_bg_create_pixmap ()</h3>
<pre class="programlisting"><span class="returnvalue">GdkPixmap</span> * gnome_bg_create_pixmap (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">GdkWindow</span> *window</code></em>,
<em class="parameter"><code><span class="type">int</span> width</code></em>,
<em class="parameter"><code><span class="type">int</span> height</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> root</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-get-image-size"></a><h3>gnome_bg_get_image_size ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gnome_bg_get_image_size (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeDesktopThumbnailFactory.html" title="GnomeDesktopThumbnailFactory"><span class="type">GnomeDesktopThumbnailFactory</span></a> *factory</code></em>,
<em class="parameter"><code><span class="type">int</span> best_width</code></em>,
<em class="parameter"><code><span class="type">int</span> best_height</code></em>,
<em class="parameter"><code><span class="type">int</span> *width</code></em>,
<em class="parameter"><code><span class="type">int</span> *height</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-create-thumbnail"></a><h3>gnome_bg_create_thumbnail ()</h3>
<pre class="programlisting"><span class="returnvalue">GdkPixbuf</span> * gnome_bg_create_thumbnail (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><a class="link" href="GnomeDesktopThumbnailFactory.html" title="GnomeDesktopThumbnailFactory"><span class="type">GnomeDesktopThumbnailFactory</span></a> *factory</code></em>,
<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code><span class="type">int</span> dest_width</code></em>,
<em class="parameter"><code><span class="type">int</span> dest_height</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-is-dark"></a><h3>gnome_bg_is_dark ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gnome_bg_is_dark (<em class="parameter"><code><a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg</code></em>,
<em class="parameter"><code><span class="type">int</span> dest_width</code></em>,
<em class="parameter"><code><span class="type">int</span> dest_height</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-bg-set-pixmap-as-root"></a><h3>gnome_bg_set_pixmap_as_root ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_bg_set_pixmap_as_root (<em class="parameter"><code><span class="type">GdkScreen</span> *screen</code></em>,
<em class="parameter"><code><span class="type">GdkPixmap</span> *pixmap</code></em>);</pre>
<p>
Set the root pixmap, and properties pointing to it. We
do this atomically with a server grab to make sure that
we won't leak the pixmap if somebody else it setting
it at the same time. (This assumes that they follow the
same conventions we do). <em class="parameter"><code>pixmap</code></em> should come from a call
to <a class="link" href="GnomeBG.html#gnome-bg-create-pixmap" title="gnome_bg_create_pixmap ()"><code class="function">gnome_bg_create_pixmap()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>screen</code></em> :</span></p></td>
<td>the <span class="type">GdkScreen</span> to change root background on</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pixmap</code></em> :</span></p></td>
<td>the <span class="type">GdkPixmap</span> to set root background from</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GnomeBG.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GnomeBG-changed"></a><h3>The <code class="literal">"changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg,
<span class="type">gpointer</span> user_data) : <code class="literal">Run Last</code></pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bg</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeBG-transitioned"></a><h3>The <code class="literal">"transitioned"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GnomeBG.html" title="GnomeBG"><span class="type">GnomeBG</span></a> *bg,
<span class="type">gpointer</span> user_data) : <code class="literal">Run Last</code></pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bg</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
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