374 lines
16 KiB
HTML
374 lines
16 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<title>GimpZoomPreview</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.71.0">
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<link rel="up" href="libgimpui.html" title="Part II. GIMP User Interface Library">
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<link rel="chapter" href="libgimp-image.html" title="Manupulating Images and their Properties">
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<link rel="chapter" href="libgimp-data.html" title="Data Objects">
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<link rel="chapter" href="libgimp-selectors.html" title="Controlling the Core's Selection Dialogs">
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<link rel="part" href="libgimpui.html" title="Part II. GIMP User Interface Library">
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<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2">
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<tr valign="middle">
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<td><a accesskey="p" href="GimpAspectPreview.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
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<th width="100%" align="center">GIMP Library Reference Manual</th>
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</tr>
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id2573936" class="shortcut">Top</a>
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 | 
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<a href="#id2701955" class="shortcut">Description</a>
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 | 
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<a href="#id2701586" class="shortcut">Object Hierarchy</a>
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 | 
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<a href="#id2701891" class="shortcut">Implemented Interfaces</a>
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<a href="#id2701912" class="shortcut">Properties</a></nobr></td></tr>
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</table>
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<div class="refentry" lang="en">
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<a name="GimpZoomPreview"></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="id2573936"></a><span class="refentrytitle">GimpZoomPreview</span>
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</h2>
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<p>GimpZoomPreview</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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<a href="GimpZoomPreview.html#GimpZoomPreview-struct">GimpZoomPreview</a>;
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GtkWidget* <a href="GimpZoomPreview.html#gimp-zoom-preview-new">gimp_zoom_preview_new</a> (<a href="libgimp-gimpdrawable.html#GimpDrawable">GimpDrawable</a> *drawable);
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GtkWidget* <a href="GimpZoomPreview.html#gimp-zoom-preview-new-with-model">gimp_zoom_preview_new_with_model</a>
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(<a href="libgimp-gimpdrawable.html#GimpDrawable">GimpDrawable</a> *drawable,
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GimpZoomModel *model);
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guchar* <a href="GimpZoomPreview.html#gimp-zoom-preview-get-source">gimp_zoom_preview_get_source</a> (<a href="GimpZoomPreview.html" title="GimpZoomPreview">GimpZoomPreview</a> *preview,
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gint *width,
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gint *height,
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gint *bpp);
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<a href="libgimp-gimpdrawable.html#GimpDrawable">GimpDrawable</a>* <a href="GimpZoomPreview.html#gimp-zoom-preview-get-drawable">gimp_zoom_preview_get_drawable</a>
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(<a href="GimpZoomPreview.html" title="GimpZoomPreview">GimpZoomPreview</a> *preview);
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gdouble <a href="GimpZoomPreview.html#gimp-zoom-preview-get-factor">gimp_zoom_preview_get_factor</a> (<a href="GimpZoomPreview.html" title="GimpZoomPreview">GimpZoomPreview</a> *preview);
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GimpZoomModel* <a href="GimpZoomPreview.html#gimp-zoom-preview-get-model">gimp_zoom_preview_get_model</a> (<a href="GimpZoomPreview.html" title="GimpZoomPreview">GimpZoomPreview</a> *preview);
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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="id2701586"></a><h2>Object Hierarchy</h2>
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<pre class="synopsis">
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GObject
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+----GInitiallyUnowned
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+----GtkObject
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+----GtkWidget
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+----GtkContainer
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+----GtkBox
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+----GtkVBox
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+----<a
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href="../libgimpwidgets/GimpPreview.html"
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>GimpPreview</a>
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+----<a
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href="../libgimpwidgets/GimpScrolledPreview.html"
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>GimpScrolledPreview</a>
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+----GimpZoomPreview
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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="id2701891"></a><h2>Implemented Interfaces</h2>
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<p>
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GimpZoomPreview implements
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AtkImplementorIface.</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2701912"></a><h2>Properties</h2>
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<pre class="synopsis">
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"<a href="GimpZoomPreview.html#GimpZoomPreview--drawable">drawable</a>" gpointer : Read / Write / Construct Only
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"<a href="GimpZoomPreview.html#GimpZoomPreview--model">model</a>" GimpZoomModel : Read / Write / Construct Only
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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="id2701955"></a><h2>Description</h2>
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<p>
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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="id2701971"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="id2701982"></a><h3>
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<a name="GimpZoomPreview-struct"></a>GimpZoomPreview</h3>
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<a class="indexterm" name="id2701993"></a><pre class="programlisting">typedef struct _GimpZoomPreview GimpZoomPreview;</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="id2702010"></a><h3>
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<a name="gimp-zoom-preview-new"></a>gimp_zoom_preview_new ()</h3>
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<a class="indexterm" name="id2702023"></a><pre class="programlisting">GtkWidget* gimp_zoom_preview_new (<a href="libgimp-gimpdrawable.html#GimpDrawable">GimpDrawable</a> *drawable);</pre>
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<p>
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Creates a new <a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a> widget for <em class="parameter"><code>drawable</code></em>.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>drawable</code></em> :</span></td>
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<td> a <a href="libgimp-gimpdrawable.html#GimpDrawable"><span class="type">GimpDrawable</span></a>
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td>
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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>Since GIMP 2.4
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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="id2705652"></a><h3>
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<a name="gimp-zoom-preview-new-with-model"></a>gimp_zoom_preview_new_with_model ()</h3>
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<a class="indexterm" name="id2705666"></a><pre class="programlisting">GtkWidget* gimp_zoom_preview_new_with_model
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(<a href="libgimp-gimpdrawable.html#GimpDrawable">GimpDrawable</a> *drawable,
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GimpZoomModel *model);</pre>
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<p>
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Creates a new <a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a> widget for <em class="parameter"><code>drawable</code></em> using the
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given <em class="parameter"><code>model</code></em>.
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</p>
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<p>
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This variant of <a href="GimpZoomPreview.html#gimp-zoom-preview-new"><code class="function">gimp_zoom_preview_new()</code></a> allows you to create a
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preview using an existing zoom model. This may be useful if for
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example you want to have two zoom previews that keep their zoom
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factor in sync.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>drawable</code></em> :</span></td>
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<td> a <a href="libgimp-gimpdrawable.html#GimpDrawable"><span class="type">GimpDrawable</span></a>
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>model</code></em> :</span></td>
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<td> a <span class="type">GimpZoomModel</span>
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td>
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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>Since GIMP 2.4
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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="id2705803"></a><h3>
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<a name="gimp-zoom-preview-get-source"></a>gimp_zoom_preview_get_source ()</h3>
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<a class="indexterm" name="id2705816"></a><pre class="programlisting">guchar* gimp_zoom_preview_get_source (<a href="GimpZoomPreview.html" title="GimpZoomPreview">GimpZoomPreview</a> *preview,
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gint *width,
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gint *height,
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gint *bpp);</pre>
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<p>
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Returns the scaled image data of the part of the drawable the
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<a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a> is currently showing, as a newly allocated array of guchar.
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This function also allow to get the current width, height and bpp of the
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<a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a>.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>preview</code></em> :</span></td>
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<td> a <a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a> widget
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>width</code></em> :</span></td>
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<td> a pointer to an int where the current width of the zoom widget
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will be put.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>height</code></em> :</span></td>
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<td> a pointer to an int where the current width of the zoom widget
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will be put.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>bpp</code></em> :</span></td>
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<td> return location for the number of bytes per pixel
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td> newly allocated data that should be released using <code class="function">g_free()</code>
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when it is not any longer needed
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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>Since GIMP 2.4
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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="id2703312"></a><h3>
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<a name="gimp-zoom-preview-get-drawable"></a>gimp_zoom_preview_get_drawable ()</h3>
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<a class="indexterm" name="id2703326"></a><pre class="programlisting"><a href="libgimp-gimpdrawable.html#GimpDrawable">GimpDrawable</a>* gimp_zoom_preview_get_drawable
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(<a href="GimpZoomPreview.html" title="GimpZoomPreview">GimpZoomPreview</a> *preview);</pre>
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<p>
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Returns the <a href="libgimp-gimpdrawable.html#GimpDrawable"><span class="type">GimpDrawable</span></a> the <a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a> is attached to.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>preview</code></em> :</span></td>
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<td> a <a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a> widget
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td> the <a href="libgimp-gimpdrawable.html#GimpDrawable"><span class="type">GimpDrawable</span></a> that was passed to <a href="GimpZoomPreview.html#gimp-zoom-preview-new"><code class="function">gimp_zoom_preview_new()</code></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>Since GIMP 2.4
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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="id2703430"></a><h3>
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<a name="gimp-zoom-preview-get-factor"></a>gimp_zoom_preview_get_factor ()</h3>
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<a class="indexterm" name="id2703443"></a><pre class="programlisting">gdouble gimp_zoom_preview_get_factor (<a href="GimpZoomPreview.html" title="GimpZoomPreview">GimpZoomPreview</a> *preview);</pre>
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<p>
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Returns the zoom factor the preview is currently using.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>preview</code></em> :</span></td>
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<td> a <a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a> widget
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td> the current zoom factor
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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>Since GIMP 2.4
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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="id2707317"></a><h3>
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<a name="gimp-zoom-preview-get-model"></a>gimp_zoom_preview_get_model ()</h3>
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<a class="indexterm" name="id2707329"></a><pre class="programlisting">GimpZoomModel* gimp_zoom_preview_get_model (<a href="GimpZoomPreview.html" title="GimpZoomPreview">GimpZoomPreview</a> *preview);</pre>
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<p>
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Returns the <span class="type">GimpZoomModel</span> the preview is using.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>preview</code></em> :</span></td>
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<td> a <a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a> widget
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td> a pointer to the <span class="type">GimpZoomModel</span> owned by the <em class="parameter"><code>preview</code></em>
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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>Since GIMP 2.4
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</p>
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</div>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2707411"></a><h2>Property Details</h2>
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<div class="refsect2" lang="en">
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<a name="id2707420"></a><h3>
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<a name="GimpZoomPreview--drawable"></a>The "<code class="literal">drawable</code>" property</h3>
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<a class="indexterm" name="id2707433"></a><pre class="programlisting"> "drawable" gpointer : Read / Write / Construct Only</pre>
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<p>
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The drawable the <a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a> is attached to.</p>
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<p>
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</p>
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<p>Since GIMP 2.4
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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="id2707467"></a><h3>
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<a name="GimpZoomPreview--model"></a>The "<code class="literal">model</code>" property</h3>
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<a class="indexterm" name="id2707480"></a><pre class="programlisting"> "model" GimpZoomModel : Read / Write / Construct Only</pre>
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<p>
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The <span class="type">GimpZoomModel</span> used by this <a href="GimpZoomPreview.html" title="GimpZoomPreview"><span class="type">GimpZoomPreview</span></a>.</p>
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<p>
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</p>
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<p>Since GIMP 2.4
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</p>
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</div>
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</div>
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</div>
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</body>
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</html>
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