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<a href="#libgimp-gimppixbuf.description" class="shortcut">Description</a>
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<a name="libgimp-gimppixbuf"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="libgimp-gimppixbuf.top_of_page"></a>gimppixbuf</span></h2>
<p>gimppixbuf — Get a thumbnail pixbuf for a drawable or image.</p>
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<div class="refsynopsisdiv">
<a name="libgimp-gimppixbuf.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">enum <a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency" title="enum GimpPixbufTransparency">GimpPixbufTransparency</a>;
<span class="returnvalue">GdkPixbuf</span> * <a class="link" href="libgimp-gimppixbuf.html#gimp-image-get-thumbnail" title="gimp_image_get_thumbnail ()">gimp_image_get_thumbnail</a> (<em class="parameter"><code><span class="type">gint32</span> image_ID</code></em>,
<em class="parameter"><code><span class="type">gint</span> width</code></em>,
<em class="parameter"><code><span class="type">gint</span> height</code></em>,
<em class="parameter"><code><a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency" title="enum GimpPixbufTransparency"><span class="type">GimpPixbufTransparency</span></a> alpha</code></em>);
<span class="returnvalue">GdkPixbuf</span> * <a class="link" href="libgimp-gimppixbuf.html#gimp-drawable-get-thumbnail" title="gimp_drawable_get_thumbnail ()">gimp_drawable_get_thumbnail</a> (<em class="parameter"><code><span class="type">gint32</span> drawable_ID</code></em>,
<em class="parameter"><code><span class="type">gint</span> width</code></em>,
<em class="parameter"><code><span class="type">gint</span> height</code></em>,
<em class="parameter"><code><a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency" title="enum GimpPixbufTransparency"><span class="type">GimpPixbufTransparency</span></a> alpha</code></em>);
<span class="returnvalue">GdkPixbuf</span> * <a class="link" href="libgimp-gimppixbuf.html#gimp-drawable-get-sub-thumbnail" title="gimp_drawable_get_sub_thumbnail ()">gimp_drawable_get_sub_thumbnail</a> (<em class="parameter"><code><span class="type">gint32</span> drawable_ID</code></em>,
<em class="parameter"><code><span class="type">gint</span> src_x</code></em>,
<em class="parameter"><code><span class="type">gint</span> src_y</code></em>,
<em class="parameter"><code><span class="type">gint</span> src_width</code></em>,
<em class="parameter"><code><span class="type">gint</span> src_height</code></em>,
<em class="parameter"><code><span class="type">gint</span> dest_width</code></em>,
<em class="parameter"><code><span class="type">gint</span> dest_height</code></em>,
<em class="parameter"><code><a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency" title="enum GimpPixbufTransparency"><span class="type">GimpPixbufTransparency</span></a> alpha</code></em>);
<span class="returnvalue">gint32</span> <a class="link" href="libgimp-gimppixbuf.html#gimp-layer-new-from-pixbuf" title="gimp_layer_new_from_pixbuf ()">gimp_layer_new_from_pixbuf</a> (<em class="parameter"><code><span class="type">gint32</span> image_ID</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>,
<em class="parameter"><code><span class="type">GdkPixbuf</span> *pixbuf</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> opacity</code></em>,
<em class="parameter"><code><a class="link" href="libgimp-gimpenums.html#GimpLayerModeEffects" title="enum GimpLayerModeEffects"><span class="type">GimpLayerModeEffects</span></a> mode</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> progress_start</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> progress_end</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="libgimp-gimppixbuf.description"></a><h2>Description</h2>
<p>
Get a thumbnail pixbuf for a drawable or image.
</p>
</div>
<div class="refsect1">
<a name="libgimp-gimppixbuf.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GimpPixbufTransparency"></a><h3>enum GimpPixbufTransparency</h3>
<pre class="programlisting">typedef enum {
GIMP_PIXBUF_KEEP_ALPHA,
GIMP_PIXBUF_SMALL_CHECKS,
GIMP_PIXBUF_LARGE_CHECKS
} GimpPixbufTransparency;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gimp-image-get-thumbnail"></a><h3>gimp_image_get_thumbnail ()</h3>
<pre class="programlisting"><span class="returnvalue">GdkPixbuf</span> * gimp_image_get_thumbnail (<em class="parameter"><code><span class="type">gint32</span> image_ID</code></em>,
<em class="parameter"><code><span class="type">gint</span> width</code></em>,
<em class="parameter"><code><span class="type">gint</span> height</code></em>,
<em class="parameter"><code><a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency" title="enum GimpPixbufTransparency"><span class="type">GimpPixbufTransparency</span></a> alpha</code></em>);</pre>
<p>
Retrieves a thumbnail pixbuf for the image identified by <em class="parameter"><code>image_ID</code></em>.
The thumbnail will be not larger than the requested size.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
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<tr>
<td><p><span class="term"><em class="parameter"><code>image_ID</code></em> :</span></p></td>
<td>the image ID</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the requested thumbnail width (<= 1024 pixels)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the requested thumbnail height (<= 1024 pixels)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
<td>how to handle an alpha channel</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <span class="type">GdkPixbuf</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since GIMP 2.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gimp-drawable-get-thumbnail"></a><h3>gimp_drawable_get_thumbnail ()</h3>
<pre class="programlisting"><span class="returnvalue">GdkPixbuf</span> * gimp_drawable_get_thumbnail (<em class="parameter"><code><span class="type">gint32</span> drawable_ID</code></em>,
<em class="parameter"><code><span class="type">gint</span> width</code></em>,
<em class="parameter"><code><span class="type">gint</span> height</code></em>,
<em class="parameter"><code><a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency" title="enum GimpPixbufTransparency"><span class="type">GimpPixbufTransparency</span></a> alpha</code></em>);</pre>
<p>
Retrieves a thumbnail pixbuf for the drawable identified by
<em class="parameter"><code>drawable_ID</code></em>. The thumbnail will be not larger than the requested
size.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>drawable_ID</code></em> :</span></p></td>
<td>the drawable ID</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the requested thumbnail width (<= 1024 pixels)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the requested thumbnail height (<= 1024 pixels)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
<td>how to handle an alpha channel</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <span class="type">GdkPixbuf</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since GIMP 2.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gimp-drawable-get-sub-thumbnail"></a><h3>gimp_drawable_get_sub_thumbnail ()</h3>
<pre class="programlisting"><span class="returnvalue">GdkPixbuf</span> * gimp_drawable_get_sub_thumbnail (<em class="parameter"><code><span class="type">gint32</span> drawable_ID</code></em>,
<em class="parameter"><code><span class="type">gint</span> src_x</code></em>,
<em class="parameter"><code><span class="type">gint</span> src_y</code></em>,
<em class="parameter"><code><span class="type">gint</span> src_width</code></em>,
<em class="parameter"><code><span class="type">gint</span> src_height</code></em>,
<em class="parameter"><code><span class="type">gint</span> dest_width</code></em>,
<em class="parameter"><code><span class="type">gint</span> dest_height</code></em>,
<em class="parameter"><code><a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency" title="enum GimpPixbufTransparency"><span class="type">GimpPixbufTransparency</span></a> alpha</code></em>);</pre>
<p>
Retrieves a thumbnail pixbuf for the drawable identified by
<em class="parameter"><code>drawable_ID</code></em>. The thumbnail will be not larger than the requested
size.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>drawable_ID</code></em> :</span></p></td>
<td>the drawable ID</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src_x</code></em> :</span></p></td>
<td>the x coordinate of the area</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src_y</code></em> :</span></p></td>
<td>the y coordinate of the area</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src_width</code></em> :</span></p></td>
<td>the width of the area</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src_height</code></em> :</span></p></td>
<td>the height of the area</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest_width</code></em> :</span></p></td>
<td>the requested thumbnail width (<= 1024 pixels)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest_height</code></em> :</span></p></td>
<td>the requested thumbnail height (<= 1024 pixels)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
<td>how to handle an alpha channel</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <span class="type">GdkPixbuf</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since GIMP 2.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gimp-layer-new-from-pixbuf"></a><h3>gimp_layer_new_from_pixbuf ()</h3>
<pre class="programlisting"><span class="returnvalue">gint32</span> gimp_layer_new_from_pixbuf (<em class="parameter"><code><span class="type">gint32</span> image_ID</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>,
<em class="parameter"><code><span class="type">GdkPixbuf</span> *pixbuf</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> opacity</code></em>,
<em class="parameter"><code><a class="link" href="libgimp-gimpenums.html#GimpLayerModeEffects" title="enum GimpLayerModeEffects"><span class="type">GimpLayerModeEffects</span></a> mode</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> progress_start</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> progress_end</code></em>);</pre>
<p>
Create a new layer from a <code class="literal">GdkPixbuf</code>.
</p>
<p>
This procedure creates a new layer from the given <code class="literal">GdkPixbuf</code>. The
image has to be an RGB image and just like with <a class="link" href="libgimp-gimplayer.html#gimp-layer-new" title="gimp_layer_new ()"><code class="function">gimp_layer_new()</code></a>
you will still need to add the layer to it.
</p>
<p>
If you pass <em class="parameter"><code>progress_end</code></em> > <em class="parameter"><code>progress_start</code></em> to this function,
<a class="link" href="libgimp-gimpprogress.html#gimp-progress-update" title="gimp_progress_update ()"><code class="function">gimp_progress_update()</code></a> will be called for. You have to call
<a class="link" href="libgimp-gimpprogress.html#gimp-progress-init" title="gimp_progress_init ()"><code class="function">gimp_progress_init()</code></a> beforehand then.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image_ID</code></em> :</span></p></td>
<td>The RGB image to which to add the layer.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>The layer name.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pixbuf</code></em> :</span></p></td>
<td>A GdkPixbuf.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>opacity</code></em> :</span></p></td>
<td>The layer opacity.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mode</code></em> :</span></p></td>
<td>The layer combination mode.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>progress_start</code></em> :</span></p></td>
<td>start of progress</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>progress_end</code></em> :</span></p></td>
<td>end of progress</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The newly created layer.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since GIMP 2.4</p>
</div>
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