428 lines
18 KiB
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428 lines
18 KiB
HTML
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<title>gimppixbuf</title>
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#libgimp-gimppixbuf.synopsis" class="shortcut">Top</a>
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<a href="#libgimp-gimppixbuf.description" class="shortcut">Description</a></nobr></td></tr>
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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><span class="refentrytitle"><a name="libgimp-gimppixbuf.top_of_page"></a>gimppixbuf</span></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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<a name="libgimp-gimppixbuf.synopsis"></a><h2>Synopsis</h2>
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<pre class="synopsis">
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enum <a class="link" href="libgimp-gimppixbuf.html#GimpPixbufTransparency" title="enum GimpPixbufTransparency">GimpPixbufTransparency</a>;
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<a
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href="/usr/share/gtk-doc/html/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" title="gimp_image_get_thumbnail ()">gimp_image_get_thumbnail</a> (gint32 image_ID,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> width,
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<a
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href="/usr/share/gtk-doc/html/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" title="enum GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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<a
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href="/usr/share/gtk-doc/html/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" title="gimp_drawable_get_thumbnail ()">gimp_drawable_get_thumbnail</a> (gint32 drawable_ID,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> width,
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<a
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href="/usr/share/gtk-doc/html/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" title="enum GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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<a
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href="/usr/share/gtk-doc/html/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" title="gimp_drawable_get_sub_thumbnail ()">gimp_drawable_get_sub_thumbnail</a> (gint32 drawable_ID,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> src_x,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> src_y,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> src_width,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> src_height,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> dest_width,
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<a
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href="/usr/share/gtk-doc/html/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" title="enum GimpPixbufTransparency">GimpPixbufTransparency</a> alpha);
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gint32 <a class="link" href="libgimp-gimppixbuf.html#gimp-layer-new-from-pixbuf" title="gimp_layer_new_from_pixbuf ()">gimp_layer_new_from_pixbuf</a> (gint32 image_ID,
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const <a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
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>gchar</a> *name,
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<a
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href="/usr/share/gtk-doc/html/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="/usr/share/gtk-doc/html/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" title="enum GimpLayerModeEffects">GimpLayerModeEffects</a> mode,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> progress_start,
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<a
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href="/usr/share/gtk-doc/html/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="libgimp-gimppixbuf.description"></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="libgimp-gimppixbuf.details"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="GimpPixbufTransparency"></a><h3>enum GimpPixbufTransparency</h3>
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<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="gimp-image-get-thumbnail"></a><h3>gimp_image_get_thumbnail ()</h3>
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<pre class="programlisting"><a
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href="/usr/share/gtk-doc/html/gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a>* gimp_image_get_thumbnail (gint32 image_ID,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> width,
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<a
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href="/usr/share/gtk-doc/html/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" title="enum 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="/usr/share/gtk-doc/html/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="gimp-drawable-get-thumbnail"></a><h3>gimp_drawable_get_thumbnail ()</h3>
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<pre class="programlisting"><a
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href="/usr/share/gtk-doc/html/gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a>* gimp_drawable_get_thumbnail (gint32 drawable_ID,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> width,
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<a
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href="/usr/share/gtk-doc/html/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" title="enum 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="/usr/share/gtk-doc/html/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="gimp-drawable-get-sub-thumbnail"></a><h3>gimp_drawable_get_sub_thumbnail ()</h3>
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<pre class="programlisting"><a
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href="/usr/share/gtk-doc/html/gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a>* gimp_drawable_get_sub_thumbnail (gint32 drawable_ID,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> src_x,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> src_y,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> src_width,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> src_height,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> dest_width,
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<a
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href="/usr/share/gtk-doc/html/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" title="enum 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="/usr/share/gtk-doc/html/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>
|
||
<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="gimp-layer-new-from-pixbuf"></a><h3>gimp_layer_new_from_pixbuf ()</h3>
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<pre class="programlisting">gint32 gimp_layer_new_from_pixbuf (gint32 image_ID,
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const <a
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||
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
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>gchar</a> *name,
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<a
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||
href="/usr/share/gtk-doc/html/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="/usr/share/gtk-doc/html/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" title="enum GimpLayerModeEffects">GimpLayerModeEffects</a> mode,
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<a
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||
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
|
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>gdouble</a> progress_start,
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<a
|
||
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
|
||
>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="/usr/share/gtk-doc/html/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
|
||
href="/usr/share/gtk-doc/html/gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
|
||
><code class="literal">GdkPixbuf</code></a>. 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>
|
||
<p>
|
||
|
||
</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>
|
||
</div>
|
||
</div>
|
||
<div class="footer">
|
||
<hr>
|
||
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|
||
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|
||
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