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gimp/devel-docs/libgimpwidgets/xml/gimpoffsetarea.xml
2010-08-11 01:18:19 -04:00

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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id="GimpOffsetArea">
<refmeta>
<refentrytitle>GimpOffsetArea</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>LIBGIMPWIDGETS Library</refmiscinfo>
</refmeta>
<refnamediv>
<refname>GimpOffsetArea</refname><refpurpose>Widget to control image offsets.</refpurpose>
</refnamediv>
<refsynopsisdiv><title>Synopsis</title>
<synopsis>
<link linkend="GimpOffsetArea-struct">GimpOffsetArea</link>;
<link linkend="GtkWidget">GtkWidget</link>* <link linkend="gimp-offset-area-new">gimp_offset_area_new</link> (<link linkend="gint">gint</link> orig_width,
<link linkend="gint">gint</link> orig_height);
<link linkend="void">void</link> <link linkend="gimp-offset-area-set-size">gimp_offset_area_set_size</link> (<link linkend="GimpOffsetArea">GimpOffsetArea</link> *offset_area,
<link linkend="gint">gint</link> width,
<link linkend="gint">gint</link> height);
<link linkend="void">void</link> <link linkend="gimp-offset-area-set-offsets">gimp_offset_area_set_offsets</link> (<link linkend="GimpOffsetArea">GimpOffsetArea</link> *offset_area,
<link linkend="gint">gint</link> offset_x,
<link linkend="gint">gint</link> offset_y);
<link linkend="void">void</link> <link linkend="gimp-offset-area-set-pixbuf">gimp_offset_area_set_pixbuf</link> (<link linkend="GimpOffsetArea">GimpOffsetArea</link> *offset_area,
<link linkend="GdkPixbuf">GdkPixbuf</link> *pixbuf);
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Object Hierarchy</title>
<synopsis>
<link linkend="GObject">GObject</link>
+----<link linkend="GtkObject">GtkObject</link>
+----<link linkend="GtkWidget">GtkWidget</link>
+----<link linkend="GtkDrawingArea">GtkDrawingArea</link>
+----GimpOffsetArea
</synopsis>
</refsect1>
<refsect1>
<title>Implemented Interfaces</title>
<para>
GimpOffsetArea implements
<link linkend="AtkImplementorIface">AtkImplementorIface</link>.</para>
</refsect1>
<refsect1>
<title>Signal Prototypes</title>
<synopsis>
&quot;<link linkend="GimpOffsetArea-offsets-changed">offsets-changed</link>&quot;
<link linkend="void">void</link> user_function (<link linkend="GimpOffsetArea">GimpOffsetArea</link> *gimpoffsetarea,
<link linkend="gint">gint</link> arg1,
<link linkend="gint">gint</link> arg2,
<link linkend="gpointer">gpointer</link> user_data);
</synopsis>
</refsect1>
<refsect1>
<title>Description</title>
<para>
</para>
</refsect1>
<refsect1>
<title>Details</title>
<refsect2>
<title><anchor id="GimpOffsetArea-struct"/>GimpOffsetArea</title>
<indexterm><primary>GimpOffsetArea</primary></indexterm><programlisting>typedef struct _GimpOffsetArea GimpOffsetArea;</programlisting>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="gimp-offset-area-new"/>gimp_offset_area_new ()</title>
<indexterm><primary>gimp_offset_area_new</primary></indexterm><programlisting><link linkend="GtkWidget">GtkWidget</link>* gimp_offset_area_new (<link linkend="gint">gint</link> orig_width,
<link linkend="gint">gint</link> orig_height);</programlisting>
<para>
Creates a new <link linkend="GimpOffsetArea"><type>GimpOffsetArea</type></link> widget. A <link linkend="GimpOffsetArea"><type>GimpOffsetArea</type></link> can be used
when resizing an image or a drawable to allow the user to interactively
specify the new offsets.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>orig_width</parameter>&nbsp;:</term>
<listitem><simpara> the original width
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>orig_height</parameter>&nbsp;:</term>
<listitem><simpara> the original height
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis>&nbsp;:</term><listitem><simpara> the new <link linkend="GimpOffsetArea"><type>GimpOffsetArea</type></link> widget.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-offset-area-set-size"/>gimp_offset_area_set_size ()</title>
<indexterm><primary>gimp_offset_area_set_size</primary></indexterm><programlisting><link linkend="void">void</link> gimp_offset_area_set_size (<link linkend="GimpOffsetArea">GimpOffsetArea</link> *offset_area,
<link linkend="gint">gint</link> width,
<link linkend="gint">gint</link> height);</programlisting>
<para>
Sets the size of the image/drawable displayed by the <link linkend="GimpOffsetArea"><type>GimpOffsetArea</type></link>.
If the offsets change as a result of this change, the "offsets-changed"
signal is emitted.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>offset_area</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="GimpOffsetArea"><type>GimpOffsetArea</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>width</parameter>&nbsp;:</term>
<listitem><simpara> the new width
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>height</parameter>&nbsp;:</term>
<listitem><simpara> the new height
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-offset-area-set-offsets"/>gimp_offset_area_set_offsets ()</title>
<indexterm><primary>gimp_offset_area_set_offsets</primary></indexterm><programlisting><link linkend="void">void</link> gimp_offset_area_set_offsets (<link linkend="GimpOffsetArea">GimpOffsetArea</link> *offset_area,
<link linkend="gint">gint</link> offset_x,
<link linkend="gint">gint</link> offset_y);</programlisting>
<para>
Sets the offsets of the image/drawable displayed by the <link linkend="GimpOffsetArea"><type>GimpOffsetArea</type></link>.
It does not emit the "offsets-changed" signal.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>offset_area</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="GimpOffsetArea"><type>GimpOffsetArea</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>offset_x</parameter>&nbsp;:</term>
<listitem><simpara> the X offset
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>offset_y</parameter>&nbsp;:</term>
<listitem><simpara> the Y offset
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-offset-area-set-pixbuf"/>gimp_offset_area_set_pixbuf ()</title>
<indexterm role="GIMP 2.2"><primary>gimp_offset_area_set_pixbuf</primary></indexterm><programlisting><link linkend="void">void</link> gimp_offset_area_set_pixbuf (<link linkend="GimpOffsetArea">GimpOffsetArea</link> *offset_area,
<link linkend="GdkPixbuf">GdkPixbuf</link> *pixbuf);</programlisting>
<para>
Sets the pixbuf which represents the original image/drawable which
is being offset.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>offset_area</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="GimpOffsetArea"><type>GimpOffsetArea</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>pixbuf</parameter>&nbsp;:</term>
<listitem><simpara> a <link linkend="GdkPixbuf"><type>GdkPixbuf</type></link>.
</simpara></listitem></varlistentry>
</variablelist><para>Since GIMP 2.2
</para></refsect2>
</refsect1>
<refsect1>
<title>Signals</title>
<refsect2><title><anchor id="GimpOffsetArea-offsets-changed"/>The &quot;offsets-changed&quot; signal</title>
<programlisting><link linkend="void">void</link> user_function (<link linkend="GimpOffsetArea">GimpOffsetArea</link> *gimpoffsetarea,
<link linkend="gint">gint</link> arg1,
<link linkend="gint">gint</link> arg2,
<link linkend="gpointer">gpointer</link> user_data);</programlisting>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>gimpoffsetarea</parameter>&nbsp;:</term>
<listitem><simpara>the object which received the signal.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>arg1</parameter>&nbsp;:</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>arg2</parameter>&nbsp;:</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>user_data</parameter>&nbsp;:</term>
<listitem><simpara>user data set when the signal handler was connected.</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
</refentry>