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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
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<title>gimpselection: GIMP Library Reference Manual</title>
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                  <a href="#libgimp-gimpselection.description" class="shortcut">Description</a></span>
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<div class="refentry">
<a name="libgimp-gimpselection"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="libgimp-gimpselection.top_of_page"></a>gimpselection</span></h2>
<p>gimpselection — Functions for manipulating selections.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="libgimp-gimpselection.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-bounds" title="gimp_selection_bounds ()">gimp_selection_bounds</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-all" title="gimp_selection_all ()">gimp_selection_all</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-none" title="gimp_selection_none ()">gimp_selection_none</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-clear" title="gimp_selection_clear ()">gimp_selection_clear</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-is-empty" title="gimp_selection_is_empty ()">gimp_selection_is_empty</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="returnvalue">gint32</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-float" title="gimp_selection_float ()">gimp_selection_float</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-load" title="gimp_selection_load ()">gimp_selection_load</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="returnvalue">gint32</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-save" title="gimp_selection_save ()">gimp_selection_save</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-value" title="gimp_selection_value ()">gimp_selection_value</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-grow" title="gimp_selection_grow ()">gimp_selection_grow</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-shrink" title="gimp_selection_shrink ()">gimp_selection_shrink</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-invert" title="gimp_selection_invert ()">gimp_selection_invert</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-feather" title="gimp_selection_feather ()">gimp_selection_feather</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-sharpen" title="gimp_selection_sharpen ()">gimp_selection_sharpen</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-border" title="gimp_selection_border ()">gimp_selection_border</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-translate" title="gimp_selection_translate ()">gimp_selection_translate</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-layer-alpha" title="gimp_selection_layer_alpha ()">gimp_selection_layer_alpha</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgimp-gimpselection.html#gimp-selection-combine" title="gimp_selection_combine ()">gimp_selection_combine</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libgimp-gimpselection.description"></a><h2>Description</h2>
<p>Functions for manipulating selections.</p>
</div>
<div class="refsect1">
<a name="libgimp-gimpselection.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gimp-selection-bounds"></a><h3>gimp_selection_bounds ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_bounds (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *non_empty</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *x1</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *y1</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *x2</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *y2</code></em>);</pre>
<p>Find the bounding box of the current selection.</p>
<p>This procedure returns whether there is a selection for the
specified image. If there is one, the upper left and lower right
corners of the bounding box are returned. These coordinates are
relative to the image. Please note that the pixel specified by the
lower righthand coordinate of the bounding box is not part of the
selection. The selection ends at the upper left corner of this
pixel. This means the width of the selection can be calculated as
(x2 - x1), its height as (y2 - y1).</p>
<div class="refsect3">
<a name="gimp-selection-bounds.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>non_empty</p></td>
<td class="parameter_description"><p>TRUE if there is a selection.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x1</p></td>
<td class="parameter_description"><p>x coordinate of upper left corner of selection bounds.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y1</p></td>
<td class="parameter_description"><p>y coordinate of upper left corner of selection bounds.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x2</p></td>
<td class="parameter_description"><p>x coordinate of lower right corner of selection bounds.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y2</p></td>
<td class="parameter_description"><p>y coordinate of lower right corner of selection bounds.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-bounds.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-all"></a><h3>gimp_selection_all ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_all (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>);</pre>
<p>Select all of the image.</p>
<p>This procedure sets the selection mask to completely encompass the
image. Every pixel in the selection channel is set to 255.</p>
<div class="refsect3">
<a name="gimp-selection-all.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-all.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-none"></a><h3>gimp_selection_none ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_none (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>);</pre>
<p>Deselect the entire image.</p>
<p>This procedure deselects the entire image. Every pixel in the
selection channel is set to 0.</p>
<div class="refsect3">
<a name="gimp-selection-none.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-none.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-clear"></a><h3>gimp_selection_clear ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_clear (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>);</pre>
<div class="warning"><p><code class="literal">gimp_selection_clear</code> is deprecated and should not be used in newly-written code.</p></div>
<p>This procedure is deprecated! Use <a class="link" href="libgimp-gimpselection.html#gimp-selection-none" title="gimp_selection_none ()"><code class="function">gimp_selection_none()</code></a> instead.</p>
<div class="refsect3">
<a name="gimp-selection-clear.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-clear.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-is-empty"></a><h3>gimp_selection_is_empty ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_is_empty (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>);</pre>
<p>Determine whether the selection is empty.</p>
<p>This procedure returns TRUE if the selection for the specified image
is empty.</p>
<div class="refsect3">
<a name="gimp-selection-is-empty.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-is-empty.returns"></a><h4>Returns</h4>
<p> Is the selection empty?</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-float"></a><h3>gimp_selection_float ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="returnvalue">gint32</span></a>
gimp_selection_float (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>,
                      <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> drawable_ID</code></em>,
                      <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> offx</code></em>,
                      <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> offy</code></em>);</pre>
<p>Float the selection from the specified drawable with initial offsets
as specified.</p>
<p>This procedure determines the region of the specified drawable that
lies beneath the current selection. The region is then cut from the
drawable and the resulting data is made into a new layer which is
instantiated as a floating selection. The offsets allow initial
positioning of the new floating selection.</p>
<div class="refsect3">
<a name="gimp-selection-float.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>ignored</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>drawable_ID</p></td>
<td class="parameter_description"><p>The drawable from which to float selection.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offx</p></td>
<td class="parameter_description"><p>x offset for translation.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offy</p></td>
<td class="parameter_description"><p>y offset for translation.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-float.returns"></a><h4>Returns</h4>
<p> The floated layer.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-load"></a><h3>gimp_selection_load ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_load (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> channel_ID</code></em>);</pre>
<div class="warning">
<p><code class="literal">gimp_selection_load</code> is deprecated and should not be used in newly-written code.</p>
<p>Use <a class="link" href="libgimp-gimpimageselect.html#gimp-image-select-item" title="gimp_image_select_item ()"><code class="function">gimp_image_select_item()</code></a> instead.</p>
</div>
<div class="refsect3">
<a name="gimp-selection-load.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>channel_ID</p></td>
<td class="parameter_description"><p>The channel.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-load.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-save"></a><h3>gimp_selection_save ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="returnvalue">gint32</span></a>
gimp_selection_save (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>);</pre>
<div class="warning"><p><code class="literal">gimp_selection_save</code> is deprecated and should not be used in newly-written code.</p></div>
<p>Copy the selection mask to a new channel.</p>
<p>This procedure copies the selection mask and stores the content in a
new channel. The new channel is automatically inserted into the
image's list of channels.</p>
<div class="refsect3">
<a name="gimp-selection-save.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-save.returns"></a><h4>Returns</h4>
<p> The new channel.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-value"></a><h3>gimp_selection_value ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gimp_selection_value (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>,
                      <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> x</code></em>,
                      <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> y</code></em>);</pre>
<p>Find the value of the selection at the specified coordinates.</p>
<p>This procedure returns the value of the selection at the specified
coordinates. If the coordinates lie out of bounds, 0 is returned.</p>
<div class="refsect3">
<a name="gimp-selection-value.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x</p></td>
<td class="parameter_description"><p>x coordinate of value.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y</p></td>
<td class="parameter_description"><p>y coordinate of value.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-value.returns"></a><h4>Returns</h4>
<p> Value of the selection.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-grow"></a><h3>gimp_selection_grow ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_grow (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>,
                     <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> steps</code></em>);</pre>
<p>Grow the image's selection</p>
<p>This procedure grows the selection. Growing involves expanding the
boundary in all directions by the specified pixel amount.</p>
<div class="refsect3">
<a name="gimp-selection-grow.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>steps</p></td>
<td class="parameter_description"><p>Steps of grow (in pixels).</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-grow.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-shrink"></a><h3>gimp_selection_shrink ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_shrink (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> steps</code></em>);</pre>
<p>Shrink the image's selection</p>
<p>This procedure shrinks the selection. Shrinking invovles trimming
the existing selection boundary on all sides by the specified number
of pixels.</p>
<div class="refsect3">
<a name="gimp-selection-shrink.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>steps</p></td>
<td class="parameter_description"><p>Steps of shrink (in pixels).</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-shrink.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-invert"></a><h3>gimp_selection_invert ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_invert (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>);</pre>
<p>Invert the selection mask.</p>
<p>This procedure inverts the selection mask. For every pixel in the
selection channel, its new value is calculated as (255 - old-value).</p>
<div class="refsect3">
<a name="gimp-selection-invert.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-invert.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-feather"></a><h3>gimp_selection_feather ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_feather (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>,
                        <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> radius</code></em>);</pre>
<p>Feather the image's selection</p>
<p>This procedure feathers the selection. Feathering is implemented
using a gaussian blur.</p>
<div class="refsect3">
<a name="gimp-selection-feather.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>radius</p></td>
<td class="parameter_description"><p>Radius of feather (in pixels).</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-feather.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-sharpen"></a><h3>gimp_selection_sharpen ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_sharpen (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>);</pre>
<p>Sharpen the selection mask.</p>
<p>This procedure sharpens the selection mask. For every pixel in the
selection channel, if the value is &gt; 127, the new pixel is
assigned a value of 255. This removes any \"anti-aliasing\" that
might exist in the selection mask's boundary.</p>
<div class="refsect3">
<a name="gimp-selection-sharpen.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-sharpen.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-border"></a><h3>gimp_selection_border ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_border (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>,
                       <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> radius</code></em>);</pre>
<p>Border the image's selection</p>
<p>This procedure borders the selection. Bordering creates a new
selection which is defined along the boundary of the previous
selection at every point within the specified radius.</p>
<div class="refsect3">
<a name="gimp-selection-border.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>radius</p></td>
<td class="parameter_description"><p>Radius of border (in pixels).</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-border.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-translate"></a><h3>gimp_selection_translate ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_translate (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> image_ID</code></em>,
                          <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> offx</code></em>,
                          <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> offy</code></em>);</pre>
<p>Translate the selection by the specified offsets.</p>
<p>This procedure actually translates the selection for the specified
image by the specified offsets. Regions that are translated from
beyond the bounds of the image are set to empty. Valid regions of
the selection which are translated beyond the bounds of the image
because of this call are lost.</p>
<div class="refsect3">
<a name="gimp-selection-translate.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>image_ID</p></td>
<td class="parameter_description"><p>The image.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offx</p></td>
<td class="parameter_description"><p>x offset for translation.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>offy</p></td>
<td class="parameter_description"><p>y offset for translation.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-translate.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-layer-alpha"></a><h3>gimp_selection_layer_alpha ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_layer_alpha (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> layer_ID</code></em>);</pre>
<div class="warning">
<p><code class="literal">gimp_selection_layer_alpha</code> is deprecated and should not be used in newly-written code.</p>
<p>Use <a class="link" href="libgimp-gimpimageselect.html#gimp-image-select-item" title="gimp_image_select_item ()"><code class="function">gimp_image_select_item()</code></a> instead.</p>
</div>
<div class="refsect3">
<a name="gimp-selection-layer-alpha.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>layer_ID</p></td>
<td class="parameter_description"><p>Layer with alpha.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-layer-alpha.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-selection-combine"></a><h3>gimp_selection_combine ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gimp_selection_combine (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> channel_ID</code></em>,
                        <em class="parameter"><code><a href="../html/libgimpbase-gimpbaseenums.html#GimpChannelOps"><span class="type">GimpChannelOps</span></a> operation</code></em>);</pre>
<div class="warning">
<p><code class="literal">gimp_selection_combine</code> is deprecated and should not be used in newly-written code.</p>
<p>Use <a class="link" href="libgimp-gimpimageselect.html#gimp-image-select-item" title="gimp_image_select_item ()"><code class="function">gimp_image_select_item()</code></a> instead.</p>
</div>
<div class="refsect3">
<a name="gimp-selection-combine.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>channel_ID</p></td>
<td class="parameter_description"><p>The channel.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>operation</p></td>
<td class="parameter_description"><p>The selection operation.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-selection-combine.returns"></a><h4>Returns</h4>
<p> TRUE on success.</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="libgimp-gimpselection.other_details"></a><h2>Types and Values</h2>
</div>
</div>
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