352 lines
14 KiB
HTML
352 lines
14 KiB
HTML
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id2578281" class="shortcut">Top</a>
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 | 
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<a href="#id2711662" class="shortcut">Description</a></nobr></td></tr>
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</table>
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<div class="refentry" lang="en">
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<a name="libgimp-gimppixbuf"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2>
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<a name="id2578281"></a><span class="refentrytitle">gimppixbuf</span>
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</h2>
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<p>gimppixbuf — Get a thumbnail pixbuf for a drawable or image.</p>
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</td>
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<td valign="top" align="right"></td>
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</tr></table></div>
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<div class="refsynopsisdiv">
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<h2>Synopsis</h2>
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<pre class="synopsis">
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enum <a href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a>;
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GdkPixbuf* <a href="libgimp-gimppixbuf.html#gimp-image-get-thumbnail">gimp_image_get_thumbnail</a> (gint32 image_ID,
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gint width,
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gint height,
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<a href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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GdkPixbuf* <a href="libgimp-gimppixbuf.html#gimp-drawable-get-thumbnail">gimp_drawable_get_thumbnail</a> (gint32 drawable_ID,
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gint width,
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gint height,
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<a href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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GdkPixbuf* <a href="libgimp-gimppixbuf.html#gimp-drawable-get-sub-thumbnail">gimp_drawable_get_sub_thumbnail</a> (gint32 drawable_ID,
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gint src_x,
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gint src_y,
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gint src_width,
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gint src_height,
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gint dest_width,
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gint dest_height,
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<a href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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gint32 <a href="libgimp-gimppixbuf.html#gimp-layer-new-from-pixbuf">gimp_layer_new_from_pixbuf</a> (gint32 image_ID,
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const gchar *name,
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GdkPixbuf *pixbuf,
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gdouble opacity,
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<a href="libgimp-gimpenums.html#GimpLayerModeEffects">GimpLayerModeEffects</a> mode,
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gdouble progress_start,
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gdouble progress_end);
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</pre>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2711662"></a><h2>Description</h2>
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<p>
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Get a thumbnail pixbuf for a drawable or image.
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2715762"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="id2715772"></a><h3>
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<a name="GimpPixbufTransparency"></a>enum GimpPixbufTransparency</h3>
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<a class="indexterm" name="id2715783"></a><pre class="programlisting">typedef enum
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{
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GIMP_PIXBUF_KEEP_ALPHA,
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GIMP_PIXBUF_SMALL_CHECKS,
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GIMP_PIXBUF_LARGE_CHECKS
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} GimpPixbufTransparency;
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</pre>
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<p>
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id2715800"></a><h3>
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<a name="gimp-image-get-thumbnail"></a>gimp_image_get_thumbnail ()</h3>
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<a class="indexterm" name="id2715813"></a><pre class="programlisting">GdkPixbuf* gimp_image_get_thumbnail (gint32 image_ID,
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gint width,
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gint height,
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<a href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);</pre>
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<p>
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Retrieves a thumbnail pixbuf for the image identified by <em class="parameter"><code>image_ID</code></em>.
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The thumbnail will be not larger than the requested size.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>image_ID</code></em> :</span></td>
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<td> the image ID
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>width</code></em> :</span></td>
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<td> the requested thumbnail width (<= 1024 pixels)
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>height</code></em> :</span></td>
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<td> the requested thumbnail height (<= 1024 pixels)
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>alpha</code></em> :</span></td>
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<td> how to handle an alpha channel
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td> a new <span class="type">GdkPixbuf</span>
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</td>
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</tr>
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</tbody>
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</table></div>
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<p class="since">Since GIMP 2.2
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id2718937"></a><h3>
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<a name="gimp-drawable-get-thumbnail"></a>gimp_drawable_get_thumbnail ()</h3>
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<a class="indexterm" name="id2718950"></a><pre class="programlisting">GdkPixbuf* gimp_drawable_get_thumbnail (gint32 drawable_ID,
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gint width,
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gint height,
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<a href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);</pre>
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<p>
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Retrieves a thumbnail pixbuf for the drawable identified by
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<em class="parameter"><code>drawable_ID</code></em>. The thumbnail will be not larger than the requested
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size.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>drawable_ID</code></em> :</span></td>
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<td> the drawable ID
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>width</code></em> :</span></td>
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<td> the requested thumbnail width (<= 1024 pixels)
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>height</code></em> :</span></td>
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<td> the requested thumbnail height (<= 1024 pixels)
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>alpha</code></em> :</span></td>
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<td> how to handle an alpha channel
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td> a new <span class="type">GdkPixbuf</span>
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</td>
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</tr>
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</tbody>
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</table></div>
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<p class="since">Since GIMP 2.2
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id2719095"></a><h3>
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<a name="gimp-drawable-get-sub-thumbnail"></a>gimp_drawable_get_sub_thumbnail ()</h3>
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<a class="indexterm" name="id2719108"></a><pre class="programlisting">GdkPixbuf* gimp_drawable_get_sub_thumbnail (gint32 drawable_ID,
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gint src_x,
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gint src_y,
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gint src_width,
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gint src_height,
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gint dest_width,
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gint dest_height,
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<a href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);</pre>
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<p>
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Retrieves a thumbnail pixbuf for the drawable identified by
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<em class="parameter"><code>drawable_ID</code></em>. The thumbnail will be not larger than the requested
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size.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>drawable_ID</code></em> :</span></td>
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<td> the drawable ID
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>src_x</code></em> :</span></td>
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<td> the x coordinate of the area
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>src_y</code></em> :</span></td>
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<td> the y coordinate of the area
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>src_width</code></em> :</span></td>
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<td> the width of the area
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>src_height</code></em> :</span></td>
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<td> the height of the area
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>dest_width</code></em> :</span></td>
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<td> the requested thumbnail width (<= 1024 pixels)
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>dest_height</code></em> :</span></td>
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<td> the requested thumbnail height (<= 1024 pixels)
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>alpha</code></em> :</span></td>
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<td> how to handle an alpha channel
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td> a new <span class="type">GdkPixbuf</span>
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</td>
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</tr>
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</tbody>
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</table></div>
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<p class="since">Since GIMP 2.2
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id2716226"></a><h3>
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<a name="gimp-layer-new-from-pixbuf"></a>gimp_layer_new_from_pixbuf ()</h3>
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<a class="indexterm" name="id2716239"></a><pre class="programlisting">gint32 gimp_layer_new_from_pixbuf (gint32 image_ID,
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const gchar *name,
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GdkPixbuf *pixbuf,
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gdouble opacity,
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<a href="libgimp-gimpenums.html#GimpLayerModeEffects">GimpLayerModeEffects</a> mode,
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gdouble progress_start,
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gdouble progress_end);</pre>
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<p>
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Create a new layer from a <code class="literal">GdkPixbuf</code>.
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</p>
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<p>
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This procedure creates a new layer from the given <code class="literal">GdkPixbuf</code>. The
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image has to be an RGB image and just like with <a href="libgimp-gimplayer.html#gimp-layer-new"><code class="function">gimp_layer_new()</code></a>
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you will still need to add the layer to it.
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</p>
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<p>
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If you pass <em class="parameter"><code>progress_end</code></em> > <em class="parameter"><code>progress_start</code></em> to this function,
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@<a href="libgimp-gimpprogress.html#gimp-progress-update"><code class="function">gimp_progress_update()</code></a> will be called for. You have to call
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@<a href="libgimp-gimpprogress.html#gimp-progress-init"><code class="function">gimp_progress_init()</code></a> beforehand.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>image_ID</code></em> :</span></td>
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<td> The RGB image to which to add the layer.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>name</code></em> :</span></td>
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<td> The layer name.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>pixbuf</code></em> :</span></td>
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<td> A GdkPixbuf.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>opacity</code></em> :</span></td>
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<td> The layer opacity.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>mode</code></em> :</span></td>
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<td> The layer combination mode.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>progress_start</code></em> :</span></td>
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<td> start of progress
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>progress_end</code></em> :</span></td>
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<td> end of progress
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td> The newly created layer.
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</td>
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</tr>
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</tbody>
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</table></div>
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<p class="since">Since GIMP 2.4
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</p>
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</div>
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</div>
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</div>
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</body>
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</html>
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