812 lines
33 KiB
HTML
812 lines
33 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>GimpPreview</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2">
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<link rel="start" href="index.html" title="GIMP Widgets Library Reference Manual">
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<link rel="up" href="libgimpwidgets-widgets.html" title="Part I. GIMP Widgets">
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<link rel="prev" href="GimpPreviewArea.html" title="GimpPreviewArea">
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<link rel="next" href="GimpScrolledPreview.html" title="GimpScrolledPreview">
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<meta name="generator" content="GTK-Doc V1.9 (XML mode)">
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<link rel="stylesheet" href="style.css" type="text/css">
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<link rel="part" href="libgimpwidgets-widgets.html" title="Part I. GIMP Widgets">
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<link rel="chapter" href="libgimpwidgets-hierarchy.html" title="Object Hierarchy">
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<link rel="chapter" href="libgimpwidgets-gallery.html" title="Widget Gallery">
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<link rel="chapter" href="libgimpwidgets-cell-renderers.html" title="Cell Renderers for GtkTreeView">
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<link rel="part" href="libgimpwidgets-colordisplay.html" title="Part II. GIMP Display Filters">
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<link rel="part" href="libgimpwidgets-colorselector.html" title="Part III. GIMP Color Selectors">
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<link rel="part" href="libgimpwidgets-controller.html" title="Part IV. GIMP Controllers">
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<link rel="part" href="libgimpwidgets-utils.html" title="Part V. GIMP Widgets Utilities">
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<link rel="part" href="libgimpwidgets-deprecated.html" title="Part VI. Deprecated API">
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<link rel="index" href="libgimpwidgets-index.html" title="Index">
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<link rel="index" href="libgimpwidgets-index-new-in-2-2.html" title="Index of new symbols in GIMP 2.2">
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<link rel="index" href="libgimpwidgets-index-new-in-2-4.html" title="Index of new symbols in GIMP 2.4">
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<link rel="index" href="libgimpwidgets-index-deprecated.html" title="Index of deprecated symbols">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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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="GimpPreviewArea.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
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<td><a accesskey="u" href="libgimpwidgets-widgets.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
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<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
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<th width="100%" align="center">GIMP Widgets Library Reference Manual</th>
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<td><a accesskey="n" href="GimpScrolledPreview.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
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</tr>
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id2609368" class="shortcut">Top</a>
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 | 
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<a href="#id2647440" class="shortcut">Description</a>
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 | 
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<a href="#id2636329" class="shortcut">Object Hierarchy</a>
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 | 
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<a href="#id2636396" class="shortcut">Implemented Interfaces</a>
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 | 
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<a href="#id2636424" class="shortcut">Properties</a>
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 | 
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<a href="#id2636454" class="shortcut">Style Properties</a>
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<a href="#id2636483" class="shortcut">Signals</a></nobr></td></tr>
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</table>
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<div class="refentry" lang="en">
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<a name="GimpPreview"></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="id2609368"></a><span class="refentrytitle">GimpPreview</span>
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</h2>
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<p>GimpPreview — A widget providing a <a class="link" href="GimpPreviewArea.html" title="GimpPreviewArea"><span class="type">GimpPreviewArea</span></a> plus framework to update the preview.</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 class="link" href="GimpPreview.html#GimpPreview-struct">GimpPreview</a>;
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<a
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href="../glib/glib-Basic-Types.html#gboolean"
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>gboolean</a> <a class="link" href="GimpPreview.html#gimp-preview-get-update">gimp_preview_get_update</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview);
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void <a class="link" href="GimpPreview.html#gimp-preview-set-update">gimp_preview_set_update</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../glib/glib-Basic-Types.html#gboolean"
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>gboolean</a> update);
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void <a class="link" href="GimpPreview.html#gimp-preview-set-bounds">gimp_preview_set_bounds</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> xmin,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> ymin,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> xmax,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> ymax);
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void <a class="link" href="GimpPreview.html#gimp-preview-get-size">gimp_preview_get_size</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *height);
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void <a class="link" href="GimpPreview.html#gimp-preview-get-position">gimp_preview_get_position</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *x,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *y);
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void <a class="link" href="GimpPreview.html#gimp-preview-transform">gimp_preview_transform</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_x,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_y,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *dest_x,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *dest_y);
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void <a class="link" href="GimpPreview.html#gimp-preview-untransform">gimp_preview_untransform</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_x,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> src_y,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *dest_x,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *dest_y);
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<a
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href="../gtk/GtkWidget.html"
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>GtkWidget</a>* <a class="link" href="GimpPreview.html#gimp-preview-get-area">gimp_preview_get_area</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview);
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void <a class="link" href="GimpPreview.html#gimp-preview-draw">gimp_preview_draw</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview);
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void <a class="link" href="GimpPreview.html#gimp-preview-draw-buffer">gimp_preview_draw_buffer</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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const <a
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href="../glib/glib-Basic-Types.html#guchar"
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>guchar</a> *buffer,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> rowstride);
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void <a class="link" href="GimpPreview.html#gimp-preview-invalidate">gimp_preview_invalidate</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview);
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void <a class="link" href="GimpPreview.html#gimp-preview-set-default-cursor">gimp_preview_set_default_cursor</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../gdk/gdk-Cursors.html#GdkCursor"
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>GdkCursor</a> *cursor);
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<a
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href="../gtk/GtkWidget.html"
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>GtkWidget</a>* <a class="link" href="GimpPreview.html#gimp-preview-get-controls">gimp_preview_get_controls</a> (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</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="id2636329"></a><h2>Object Hierarchy</h2>
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<pre class="synopsis">
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<a
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href="../gobject/gobject-The-Base-Object-Type.html#GObject"
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>GObject</a>
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+----<a
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href="../gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned"
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>GInitiallyUnowned</a>
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+----<a
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href="../gtk/GtkObject.html"
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>GtkObject</a>
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+----<a
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href="../gtk/GtkWidget.html"
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>GtkWidget</a>
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+----<a
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href="../gtk/GtkContainer.html"
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>GtkContainer</a>
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+----<a
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href="../gtk/GtkBox.html"
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>GtkBox</a>
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+----<a
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href="../gtk/GtkVBox.html"
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>GtkVBox</a>
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+----GimpPreview
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+----<a class="link" href="GimpScrolledPreview.html" title="GimpScrolledPreview">GimpScrolledPreview</a>
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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="id2636396"></a><h2>Implemented Interfaces</h2>
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<p>
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GimpPreview implements
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AtkImplementorIface and GtkBuildable.</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2636424"></a><h2>Properties</h2>
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<pre class="synopsis">
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"<a class="link" href="GimpPreview.html#GimpPreview--update">update</a>" <a
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href="../glib/glib-Basic-Types.html#gboolean"
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>gboolean</a> : Read / Write / Construct
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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="id2636454"></a><h2>Style Properties</h2>
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<pre class="synopsis">
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"<a class="link" href="GimpPreview.html#GimpPreview--size">size</a>" <a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> : Read
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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="id2636483"></a><h2>Signals</h2>
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<pre class="synopsis">
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"<a class="link" href="GimpPreview.html#GimpPreview-invalidated">invalidated</a>" : Run First
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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="id2647440"></a><h2>Description</h2>
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<p>
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A widget providing a <a class="link" href="GimpPreviewArea.html" title="GimpPreviewArea"><span class="type">GimpPreviewArea</span></a> plus framework to update the preview.
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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="id2647462"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="id2647473"></a><h3>
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<a name="GimpPreview-struct"></a>GimpPreview</h3>
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<a class="indexterm" name="id2647486"></a><pre class="programlisting">typedef struct _GimpPreview GimpPreview;</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="id2647501"></a><h3>
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<a name="gimp-preview-get-update"></a>gimp_preview_get_update ()</h3>
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<a class="indexterm" name="id2647514"></a><pre class="programlisting"><a
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href="../glib/glib-Basic-Types.html#gboolean"
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>gboolean</a> gimp_preview_get_update (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview);</pre>
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<p>
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</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>preview</code></em> :</span></p></td>
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<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
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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> the state of the "Preview" check button.
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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="id2647588"></a><h3>
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<a name="gimp-preview-set-update"></a>gimp_preview_set_update ()</h3>
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<a class="indexterm" name="id2647602"></a><pre class="programlisting">void gimp_preview_set_update (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../glib/glib-Basic-Types.html#gboolean"
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>gboolean</a> update);</pre>
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<p>
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Sets the state of the "Preview" check button.</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>preview</code></em> :</span></p></td>
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<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
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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>update</code></em> :</span></p></td>
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<td> <a
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href="../glib/glib-Standard-Macros.html#TRUE:CAPS"
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><code class="literal">TRUE</code></a> if the preview should invalidate itself when being
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scrolled or when <a class="link" href="GimpPreview.html#gimp-preview-invalidate"><code class="function">gimp_preview_invalidate()</code></a> is being called
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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="id2647707"></a><h3>
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<a name="gimp-preview-set-bounds"></a>gimp_preview_set_bounds ()</h3>
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<a class="indexterm" name="id2647720"></a><pre class="programlisting">void gimp_preview_set_bounds (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> xmin,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> ymin,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> xmax,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> ymax);</pre>
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<p>
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Sets the lower and upper limits for the previewed area. The
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difference between the upper and lower value is used to set the
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maximum size of the <a class="link" href="GimpPreviewArea.html" title="GimpPreviewArea"><span class="type">GimpPreviewArea</span></a> used in the <em class="parameter"><code>preview</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><p><span class="term"><em class="parameter"><code>preview</code></em> :</span></p></td>
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<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
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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>xmin</code></em> :</span></p></td>
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<td>
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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>ymin</code></em> :</span></p></td>
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<td>
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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>xmax</code></em> :</span></p></td>
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<td>
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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>ymax</code></em> :</span></p></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 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="id2650644"></a><h3>
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<a name="gimp-preview-get-size"></a>gimp_preview_get_size ()</h3>
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<a class="indexterm" name="id2650656"></a><pre class="programlisting">void gimp_preview_get_size (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *width,
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<a
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> *height);</pre>
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<p>
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</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>preview</code></em> :</span></p></td>
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<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
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</td>
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</tr>
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<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
|
|
<td> return location for the preview area width
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
|
|
<td> return location for the preview area height
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.2
|
|
</p>
|
|
</div>
|
|
<hr>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2650761"></a><h3>
|
|
<a name="gimp-preview-get-position"></a>gimp_preview_get_position ()</h3>
|
|
<a class="indexterm" name="id2650775"></a><pre class="programlisting">void gimp_preview_get_position (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> *x,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> *y);</pre>
|
|
<p>
|
|
</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>preview</code></em> :</span></p></td>
|
|
<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
|
|
<td> return location for the horizontal offset
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
|
|
<td> return location for the vertical offset
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.2
|
|
</p>
|
|
</div>
|
|
<hr>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2650882"></a><h3>
|
|
<a name="gimp-preview-transform"></a>gimp_preview_transform ()</h3>
|
|
<a class="indexterm" name="id2650896"></a><pre class="programlisting">void gimp_preview_transform (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> src_x,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> src_y,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> *dest_x,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> *dest_y);</pre>
|
|
<p>
|
|
Transforms from image to widget coordinates.</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>preview</code></em> :</span></p></td>
|
|
<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>src_x</code></em> :</span></p></td>
|
|
<td> horizontal position on the previewed image
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>src_y</code></em> :</span></p></td>
|
|
<td> vertical position on the previewed image
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>dest_x</code></em> :</span></p></td>
|
|
<td> returns the transformed horizontal position
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>dest_y</code></em> :</span></p></td>
|
|
<td> returns the transformed vertical position
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.4
|
|
</p>
|
|
</div>
|
|
<hr>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651048"></a><h3>
|
|
<a name="gimp-preview-untransform"></a>gimp_preview_untransform ()</h3>
|
|
<a class="indexterm" name="id2651061"></a><pre class="programlisting">void gimp_preview_untransform (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> src_x,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> src_y,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> *dest_x,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> *dest_y);</pre>
|
|
<p>
|
|
Transforms from widget to image coordinates.</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>preview</code></em> :</span></p></td>
|
|
<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>src_x</code></em> :</span></p></td>
|
|
<td> horizontal position relative to the preview area's origin
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>src_y</code></em> :</span></p></td>
|
|
<td> vertical position relative to preview area's origin
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>dest_x</code></em> :</span></p></td>
|
|
<td> returns the untransformed horizontal position
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>dest_y</code></em> :</span></p></td>
|
|
<td> returns the untransformed vertical position
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.4
|
|
</p>
|
|
</div>
|
|
<hr>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651186"></a><h3>
|
|
<a name="gimp-preview-get-area"></a>gimp_preview_get_area ()</h3>
|
|
<a class="indexterm" name="id2651198"></a><pre class="programlisting"><a
|
|
href="../gtk/GtkWidget.html"
|
|
>GtkWidget</a>* gimp_preview_get_area (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview);</pre>
|
|
<p>
|
|
In most cases, you shouldn't need to access the <a class="link" href="GimpPreviewArea.html" title="GimpPreviewArea"><span class="type">GimpPreviewArea</span></a>
|
|
that is being used in the <em class="parameter"><code>preview</code></em>. Sometimes however, you need to.
|
|
For example if you want to receive mouse events from the area. In
|
|
such cases, use <a class="link" href="GimpPreview.html#gimp-preview-get-area"><code class="function">gimp_preview_get_area()</code></a>.</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>preview</code></em> :</span></p></td>
|
|
<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
|
<td> a pointer to the <a class="link" href="GimpPreviewArea.html" title="GimpPreviewArea"><span class="type">GimpPreviewArea</span></a> used in the <em class="parameter"><code>preview</code></em>.
|
|
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.4
|
|
</p>
|
|
</div>
|
|
<hr>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651298"></a><h3>
|
|
<a name="gimp-preview-draw"></a>gimp_preview_draw ()</h3>
|
|
<a class="indexterm" name="id2651311"></a><pre class="programlisting">void gimp_preview_draw (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview);</pre>
|
|
<p>
|
|
Calls the GimpPreview::draw method. GimpPreview itself doesn't
|
|
implement a default draw method so the behaviour is determined by
|
|
the derived class implementing this method.
|
|
</p>
|
|
<p>
|
|
<a
|
|
href="../libgimp/GimpDrawablePreview.html"
|
|
><span class="type">GimpDrawablePreview</span></a> implements <a class="link" href="GimpPreview.html#gimp-preview-draw"><code class="function">gimp_preview_draw()</code></a> by drawing the
|
|
original, unmodified drawable to the <em class="parameter"><code>preview</code></em>.</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>preview</code></em> :</span></p></td>
|
|
<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
|
|
</td>
|
|
</tr></tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.2
|
|
</p>
|
|
</div>
|
|
<hr>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651394"></a><h3>
|
|
<a name="gimp-preview-draw-buffer"></a>gimp_preview_draw_buffer ()</h3>
|
|
<a class="indexterm" name="id2651407"></a><pre class="programlisting">void gimp_preview_draw_buffer (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
|
|
const <a
|
|
href="../glib/glib-Basic-Types.html#guchar"
|
|
>guchar</a> *buffer,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> rowstride);</pre>
|
|
<p>
|
|
Calls the GimpPreview::draw_buffer method. GimpPreview itself
|
|
doesn't implement this method so the behaviour is determined by the
|
|
derived class implementing this method.</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>preview</code></em> :</span></p></td>
|
|
<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
|
|
<td> a pixel buffer the size of the preview
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>rowstride</code></em> :</span></p></td>
|
|
<td> the <em class="parameter"><code>buffer</code></em>'s rowstride
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.2
|
|
</p>
|
|
</div>
|
|
<hr>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651510"></a><h3>
|
|
<a name="gimp-preview-invalidate"></a>gimp_preview_invalidate ()</h3>
|
|
<a class="indexterm" name="id2651523"></a><pre class="programlisting">void gimp_preview_invalidate (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview);</pre>
|
|
<p>
|
|
This function starts or renews a short low-priority timeout. When
|
|
the timeout expires, the GimpPreview::invalidated signal is emitted
|
|
which will usually cause the <em class="parameter"><code>preview</code></em> to be updated.
|
|
</p>
|
|
<p>
|
|
This function does nothing unless the "Preview" button is checked.
|
|
</p>
|
|
<p>
|
|
During the emission of the signal a busy cursor is set on the
|
|
toplevel window containing the <em class="parameter"><code>preview</code></em> and on the preview area
|
|
itself.</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>preview</code></em> :</span></p></td>
|
|
<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
|
|
</td>
|
|
</tr></tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.2
|
|
</p>
|
|
</div>
|
|
<hr>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651602"></a><h3>
|
|
<a name="gimp-preview-set-default-cursor"></a>gimp_preview_set_default_cursor ()</h3>
|
|
<a class="indexterm" name="id2651615"></a><pre class="programlisting">void gimp_preview_set_default_cursor (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview,
|
|
<a
|
|
href="../gdk/gdk-Cursors.html#GdkCursor"
|
|
>GdkCursor</a> *cursor);</pre>
|
|
<p>
|
|
Sets the default mouse cursor for the preview. Note that this will
|
|
be overriden by a <a
|
|
href="../gdk/gdk-Cursors.html#GDK-FLEUR:CAPS"
|
|
><code class="literal">GDK_FLEUR</code></a> if the preview has scrollbars, or by a
|
|
<a
|
|
href="../gdk/gdk-Cursors.html#GDK-WATCH:CAPS"
|
|
><code class="literal">GDK_WATCH</code></a> when the preview is invalidated.</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>preview</code></em> :</span></p></td>
|
|
<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><em class="parameter"><code>cursor</code></em> :</span></p></td>
|
|
<td> a <a
|
|
href="../gdk/gdk-Cursors.html#GdkCursor"
|
|
><span class="type">GdkCursor</span></a> or <a
|
|
href="../glib/glib-Standard-Macros.html#NULL:CAPS"
|
|
><code class="literal">NULL</code></a>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.2
|
|
</p>
|
|
</div>
|
|
<hr>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651725"></a><h3>
|
|
<a name="gimp-preview-get-controls"></a>gimp_preview_get_controls ()</h3>
|
|
<a class="indexterm" name="id2651738"></a><pre class="programlisting"><a
|
|
href="../gtk/GtkWidget.html"
|
|
>GtkWidget</a>* gimp_preview_get_controls (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *preview);</pre>
|
|
<p>
|
|
Gives access to the <a
|
|
href="../gtk/GtkHBox.html"
|
|
><span class="type">GtkHBox</span></a> at the bottom of the preview that
|
|
contains the update toggle. Derived widgets can use this function
|
|
if they need to add controls to this area.</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>preview</code></em> :</span></p></td>
|
|
<td> a <a class="link" href="GimpPreview.html" title="GimpPreview"><span class="type">GimpPreview</span></a> widget
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
|
|
<td> the <a
|
|
href="../gtk/GtkHBox.html"
|
|
><span class="type">GtkHBox</span></a> at the bottom of the preview.
|
|
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table></div>
|
|
<p class="since">Since GIMP 2.4
|
|
</p>
|
|
</div>
|
|
</div>
|
|
<div class="refsect1" lang="en">
|
|
<a name="id2651821"></a><h2>Property Details</h2>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651830"></a><h3>
|
|
<a name="GimpPreview--update"></a>The <code class="literal">"update"</code> property</h3>
|
|
<a class="indexterm" name="id2651843"></a><pre class="programlisting"> "update" <a
|
|
href="../glib/glib-Basic-Types.html#gboolean"
|
|
>gboolean</a> : Read / Write / Construct</pre>
|
|
<p></p>
|
|
<p>Default value: TRUE</p>
|
|
</div>
|
|
</div>
|
|
<div class="refsect1" lang="en">
|
|
<a name="id2651866"></a><h2>Style Property Details</h2>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651876"></a><h3>
|
|
<a name="GimpPreview--size"></a>The <code class="literal">"size"</code> style property</h3>
|
|
<a class="indexterm" name="id2651889"></a><pre class="programlisting"> "size" <a
|
|
href="../glib/glib-Basic-Types.html#gint"
|
|
>gint</a> : Read</pre>
|
|
<p></p>
|
|
<p>Allowed values: [1,1024]</p>
|
|
<p>Default value: 200</p>
|
|
</div>
|
|
</div>
|
|
<div class="refsect1" lang="en">
|
|
<a name="id2651915"></a><h2>Signal Details</h2>
|
|
<div class="refsect2" lang="en">
|
|
<a name="id2651924"></a><h3>
|
|
<a name="GimpPreview-invalidated"></a>The <code class="literal">"invalidated"</code> signal</h3>
|
|
<a class="indexterm" name="id2651937"></a><pre class="programlisting">void user_function (<a class="link" href="GimpPreview.html" title="GimpPreview">GimpPreview</a> *gimppreview,
|
|
<a
|
|
href="../glib/glib-Basic-Types.html#gpointer"
|
|
>gpointer</a> user_data) : Run First</pre>
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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>gimppreview</code></em> :</span></p></td>
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<td>the object which received the signal.
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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>user_data</code></em> :</span></p></td>
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<td>user data set when the signal handler was connected.</td>
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</tr>
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</tbody>
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</table></div>
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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="id2652000"></a><div class="refsect2" lang="en"><a name="id2652001"></a></div>
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<hr>
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<div class="refsect2" lang="en"><a name="id2652002"></a></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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