155 lines
12 KiB
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155 lines
12 KiB
HTML
<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>gimppixbuf</title><meta name="generator" content="DocBook XSL Stylesheets V1.66.1"><link rel="start" href="index.html" title="GIMP Library Reference Manual"><link rel="up" href="libgimpui.html" title="Part III. GIMP User Interface Library"><link rel="prev" href="libgimp-gimpimagecombobox.html" title="gimpimagecombobox"><link rel="next" href="GimpProgressBar.html" title="GimpProgressBar"><meta name="generator" content="GTK-Doc V1.3 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="gimpdefinitions.html" title="Part I. GIMP Constants"><link rel="part" href="libgimp.html" title="Part II. GIMP Library"><link rel="chapter" href="libgimp-general.html" title="Functions not Related to Specific Images"><link rel="chapter" href="libgimp-image.html" title="Manupulating Images and all their Properties"><link rel="chapter" href="libgimp-data.html" title="Data Objects"><link rel="chapter" href="libgimp-selectors.html" title="Controlling the Core's Selection Dialogs"><link rel="part" href="libgimpui.html" title="Part III. GIMP User Interface Library"><link rel="chapter" href="libgimpui-hierarchy.html" title="Object Hierarchy"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libgimp-gimpimagecombobox.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="libgimpui.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GIMP Library Reference Manual</th><td><a accesskey="n" href="GimpProgressBar.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr></table><div class="refentry" lang="en"><a name="libgimp-gimppixbuf"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><span class="refentrytitle">gimppixbuf</span></h2><p>gimppixbuf — Get a thumbnail pixbuf for a drawable or image.</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
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enum <a 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 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 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 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 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 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 href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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</pre></div><div class="refsect1" lang="en"><a name="id2660663"></a><h2>Description</h2><p>
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Get a thumbnail pixbuf for a drawable or image.
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</p></div><div class="refsect1" lang="en"><a name="id2660674"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id2660679"></a><h3><a name="GimpPixbufTransparency"></a>enum GimpPixbufTransparency</h3><a class="indexterm" name="id2660687"></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><p>
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</p></div><hr><div class="refsect2" lang="en"><a name="id2660699"></a><h3><a name="gimp-image-get-thumbnail"></a>gimp_image_get_thumbnail ()</h3><a class="indexterm" name="id2660707"></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 href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);</pre><p>
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Retrieves a thumbnail pixbuf for the image identified by <i class="parameter"><tt>image_ID</tt></i>.
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The thumbnail will be not larger than the requested size.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>image_ID</tt></i> :</span></td><td> the image ID
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>width</tt></i> :</span></td><td> the requested thumbnail width (<= 512 pixels)
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>height</tt></i> :</span></td><td> the requested thumbnail height (<= 512 pixels)
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>alpha</tt></i> :</span></td><td> how to handle an alpha channel
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><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></tr></tbody></table></div><p>Since GIMP 2.2
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</p></div><hr><div class="refsect2" lang="en"><a name="id2659728"></a><h3><a name="gimp-drawable-get-thumbnail"></a>gimp_drawable_get_thumbnail ()</h3><a class="indexterm" name="id2659736"></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 href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);</pre><p>
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Retrieves a thumbnail pixbuf for the drawable identified by
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<i class="parameter"><tt>drawable_ID</tt></i>. The thumbnail will be not larger than the requested
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size.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>drawable_ID</tt></i> :</span></td><td> the drawable ID
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>width</tt></i> :</span></td><td> the requested thumbnail width (<= 512 pixels)
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>height</tt></i> :</span></td><td> the requested thumbnail height (<= 512 pixels)
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>alpha</tt></i> :</span></td><td> how to handle an alpha channel
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><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></tr></tbody></table></div><p>Since GIMP 2.2
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</p></div><hr><div class="refsect2" lang="en"><a name="id2659850"></a><h3><a name="gimp-drawable-get-sub-thumbnail"></a>gimp_drawable_get_sub_thumbnail ()</h3><a class="indexterm" name="id2659859"></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 href="libgimp-gimppixbuf.html#GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);</pre><p>
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Retrieves a thumbnail pixbuf for the drawable identified by
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<i class="parameter"><tt>drawable_ID</tt></i>. The thumbnail will be not larger than the requested
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size.</p><p>
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</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>drawable_ID</tt></i> :</span></td><td> the drawable ID
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>src_x</tt></i> :</span></td><td> the x coordinate of the area
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>src_y</tt></i> :</span></td><td> the y coordinate of the area
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>src_width</tt></i> :</span></td><td> the width of the area
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>src_height</tt></i> :</span></td><td> the height of the area
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>dest_width</tt></i> :</span></td><td> the requested thumbnail width (<= 512 pixels)
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>dest_height</tt></i> :</span></td><td> the requested thumbnail height (<= 512 pixels)
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>alpha</tt></i> :</span></td><td> how to handle an alpha channel
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><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></tr></tbody></table></div><p>Since GIMP 2.2
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</p></div></div></div><table class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="libgimp-gimpimagecombobox.html"><b><< gimpimagecombobox</b></a></td><td align="right"><a accesskey="n" href="GimpProgressBar.html"><b>GimpProgressBar >></b></a></td></tr></table></body></html>
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