454 lines
18 KiB
HTML
454 lines
18 KiB
HTML
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id2613695" class="shortcut">Top</a>
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 | 
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<a href="#id2733454" 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="id2613695"></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 class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a>;
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<a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a>* <a class="link" href="libgimp-gimppixbuf.html#gimp-image-get-thumbnail">gimp_image_get_thumbnail</a> (<a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> image_ID,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> height,
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<a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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<a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a>* <a class="link" href="libgimp-gimppixbuf.html#gimp-drawable-get-thumbnail">gimp_drawable_get_thumbnail</a> (<a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> drawable_ID,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> height,
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<a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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<a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a>* <a class="link" href="libgimp-gimppixbuf.html#gimp-drawable-get-sub-thumbnail">gimp_drawable_get_sub_thumbnail</a> (<a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> drawable_ID,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_x,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_y,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_height,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> dest_width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> dest_height,
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<a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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<a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> <a class="link" href="libgimp-gimppixbuf.html#gimp-layer-new-from-pixbuf">gimp_layer_new_from_pixbuf</a> (<a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> image_ID,
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const <a
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href="../glib/glib-Basic-Types.html#gchar"
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>gchar</a> *name,
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<a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a> *pixbuf,
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<a
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href="../glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> opacity,
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<a class="link" href="libgimp-gimpenums.html#GimpLayerModeEffects">GimpLayerModeEffects</a> mode,
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<a
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href="../glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> progress_start,
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<a
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href="../glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> 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="id2733454"></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="id2733471"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="id2733481"></a><h3>
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<a name="GimpPixbufTransparency"></a>enum GimpPixbufTransparency</h3>
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<a class="indexterm" name="id2733492"></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="id2733509"></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="id2733522"></a><pre class="programlisting"><a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a>* gimp_image_get_thumbnail (<a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> image_ID,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> height,
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<a class="link" 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><p><span class="term"><em class="parameter"><code>image_ID</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></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><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td> a new <a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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><span class="type">GdkPixbuf</span></a>
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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="id2733989"></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="id2734002"></a><pre class="programlisting"><a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a>* gimp_drawable_get_thumbnail (<a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> drawable_ID,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> height,
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<a class="link" 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><p><span class="term"><em class="parameter"><code>drawable_ID</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></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><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td> a new <a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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><span class="type">GdkPixbuf</span></a>
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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="id2734148"></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="id2734161"></a><pre class="programlisting"><a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a>* gimp_drawable_get_sub_thumbnail (<a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> drawable_ID,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_x,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_y,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_height,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> dest_width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> dest_height,
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<a class="link" 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><p><span class="term"><em class="parameter"><code>drawable_ID</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>src_x</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>src_y</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>src_width</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>src_height</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>dest_width</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>dest_height</code></em> :</span></p></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><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></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><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td> a new <a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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><span class="type">GdkPixbuf</span></a>
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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="id2728756"></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="id2728769"></a><pre class="programlisting"><a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> gimp_layer_new_from_pixbuf (<a
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href="../glib/glib-Basic-Types.html#gint32"
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>gint32</a> image_ID,
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const <a
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href="../glib/glib-Basic-Types.html#gchar"
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>gchar</a> *name,
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<a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a> *pixbuf,
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<a
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href="../glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> opacity,
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<a class="link" href="libgimp-gimpenums.html#GimpLayerModeEffects">GimpLayerModeEffects</a> mode,
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<a
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href="../glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> progress_start,
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<a
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href="../glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> progress_end);</pre>
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<p>
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Create a new layer from a <a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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><code class="literal">GdkPixbuf</code></a>.
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</p>
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<p>
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This procedure creates a new layer from the given <a
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href="../gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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><code class="literal">GdkPixbuf</code></a>. The
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image has to be an RGB image and just like with <a class="link" 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 class="link" 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 class="link" href="libgimp-gimpprogress.html#gimp-progress-init"><code class="function">gimp_progress_init()</code></a> beforehand.</p>
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|
<p>
|
|
|
|
</p>
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|
<div class="variablelist"><table border="0">
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|
<col align="left" valign="top">
|
|
<tbody>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>image_ID</code></em> :</span></p></td>
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|
<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>
|
|
</div>
|
|
</div>
|
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</body>
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</html>
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