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<li class="navelem"><a class="el" href="namespaceGdk.html">Gdk</a> </li>
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<h1>Gdk::Region Class Reference</h1> </div>
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<p>This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graphical operations (see <a class="el" href="classGdk_1_1GC.html#a6109789b4e63e62443fa9433c77525e8" title="Sets the clip mask for a graphics context from a region structure.">Gdk::GC::set_clip_region()</a>). <a href="#_details">More...</a></p>
<p><a href="classGdk_1_1Region-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#acbf9cddc76ff394cca43693cf205001f">Region</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a9d713e1c3563e4cec3d29e5484ba0ae9">Region</a> (GdkRegion* castitem, bool make_a_copy=false)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a572e1d42d9f8fa0921e4020e54d89879">Region</a> (const <a class="el" href="classGdk_1_1Region.html">Region</a>& src)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGdk_1_1Region.html">Region</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a4c9371596bda2f44397c2c8aed19451e">operator=</a> (const <a class="el" href="classGdk_1_1Region.html">Region</a>& src)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a090553fce729ac41f5ee86670596e060">~Region</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">GdkRegion* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a88ddc5f67e8f73ff670940a5bf271d95">gobj</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const GdkRegion* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#abbab3766b295ad9f13cfe4239bd62de5">gobj</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">GdkRegion* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a1bcf45ef91d6bcd306741c65acca5a1a">gobj_copy</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs. <a href="#a1bcf45ef91d6bcd306741c65acca5a1a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#afbaeee985278c783b1c2ef8024ef5798">Region</a> (const <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ArrayHandle.html">Glib::ArrayHandle</a>< <a class="el" href="classGdk_1_1Point.html">Gdk::Point</a> >& points, <a class="el" href="group__gdkmmEnums.html#gacdee003b8806d447553fd52634a7c135">FillRule</a> fill_rule)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#aa6cf19ceb186845c0ec58f3608b7012f">Region</a> (const <a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a>& rectangle)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#aa3c12f5281e440334f941d542e5b8a5e">get_clipbox</a> (const <a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a>& rectangle)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Obtains the smallest rectangle which includes the entire <a class="el" href="classGdk_1_1Region.html" title="This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graph...">Gdk::Region</a>. <a href="#aa3c12f5281e440334f941d542e5b8a5e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ArrayHandle.html">Glib::ArrayHandle</a>< <a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a24f61bbfd4d7477e2e3ebc9d1a77c543">get_rectangles</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#af7753c68bccb64f394914e11b866d2ab">empty</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Finds out if the <a class="el" href="classGdk_1_1Region.html" title="This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graph...">Gdk::Region</a> is empty. <a href="#af7753c68bccb64f394914e11b866d2ab"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#aa970ecf413ac23939f529b9e1c64e4ac">point_in</a> (int x, int y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Finds out if a point is in a region. <a href="#aa970ecf413ac23939f529b9e1c64e4ac"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__gdkmmEnums.html#ga08d3ef020cf9281bc1ef38eb476a522a">OverlapType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a7c07ccb6b945f3aea839cf5a240e9cda">rect_in</a> (const <a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a>& rect)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Tests whether a rectangle is within a region. <a href="#a7c07ccb6b945f3aea839cf5a240e9cda"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#aaa148e85944b0f80aac5c63dcdf0d539">offset</a> (int dx, int dy)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Moves a region the specified distance. <a href="#aaa148e85944b0f80aac5c63dcdf0d539"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a704914b3d479f04287bda71e3505601c">shrink</a> (int dx, int dy)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Resizes a region by the specified amount. <a href="#a704914b3d479f04287bda71e3505601c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#ac2099c7feb3f0db0a13599ce82a64ccb">union_with_rect</a> (const <a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a>& rect)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the area of <em>region</em> to the union of the areas of <em>region</em> and <em>rect</em>. <a href="#ac2099c7feb3f0db0a13599ce82a64ccb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#acd2355a5079d9db24f71aa19836284b5">intersect</a> (const <a class="el" href="classGdk_1_1Region.html">Region</a>& source2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the area of <em>source1</em> to the intersection of the areas of <em>source1</em> and <em>source2</em>. <a href="#acd2355a5079d9db24f71aa19836284b5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a9c911592e7eba011d2c1874ca4ec2b37">union_</a> (const <a class="el" href="classGdk_1_1Region.html">Region</a>& source2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the area of <em>source1</em> to the union of the areas of <em>source1</em> and <em>source2</em>. <a href="#a9c911592e7eba011d2c1874ca4ec2b37"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a3bda6bea1ed064c6ab41700d24b2933e">subtract</a> (const <a class="el" href="classGdk_1_1Region.html">Region</a>& source2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Subtracts the area of <em>source2</em> from the area <em>source1</em>. <a href="#a3bda6bea1ed064c6ab41700d24b2933e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a13df0bfd25da620cae29dc8421b144ad">xor_</a> (const <a class="el" href="classGdk_1_1Region.html">Region</a>& source2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the area of <em>source1</em> to the exclusive-OR of the areas of <em>source1</em> and <em>source2</em>. <a href="#a13df0bfd25da620cae29dc8421b144ad"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a182373eb640d80bcf9b3a37a496e770d">spans_intersect_foreach</a> (GdkSpan* spans, int n_spans, bool sorted, GdkSpanFunc function, gpointer data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Calls a function on each span in the intersection of <em>region</em> and <em>spans</em>. <a href="#a182373eb640d80bcf9b3a37a496e770d"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">GdkRegion* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#aa848e0e9212789e21ac405d96baad62b">gobject_</a></td></tr>
<tr><td colspan="2"><h2><a name="related"></a>
Related Functions</h2></td></tr>
<tr><td colspan="2">(Note that these are not member functions.) <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#ae7352d5986918d60055ffec688285606">operator==</a> (const <a class="el" href="classGdk_1_1Region.html">Region</a>& lhs, const <a class="el" href="classGdk_1_1Region.html">Region</a>& rhs)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#aa1bf387412637ba1e7bde5d96be04716">operator!=</a> (const <a class="el" href="classGdk_1_1Region.html">Region</a>& lhs, const <a class="el" href="classGdk_1_1Region.html">Region</a>& rhs)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGdk_1_1Region.html">Gdk::Region</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGdk_1_1Region.html#a984fe93ad98e4caa2765c67380425bfb">wrap</a> (GdkRegion* object, bool take_copy=false)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A <a class="elRef" href="../../../glibmm-2.4/reference/html/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. <a href="#a984fe93ad98e4caa2765c67380425bfb"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graphical operations (see <a class="el" href="classGdk_1_1GC.html#a6109789b4e63e62443fa9433c77525e8" title="Sets the clip mask for a graphics context from a region structure.">Gdk::GC::set_clip_region()</a>). </p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="acbf9cddc76ff394cca43693cf205001f"></a><!-- doxytag: member="Gdk::Region::Region" ref="acbf9cddc76ff394cca43693cf205001f" args="()" -->
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<td class="memname">Gdk::Region::Region </td>
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<td class="paramname"></td><td>)</td>
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<a class="anchor" id="a9d713e1c3563e4cec3d29e5484ba0ae9"></a><!-- doxytag: member="Gdk::Region::Region" ref="a9d713e1c3563e4cec3d29e5484ba0ae9" args="(GdkRegion *castitem, bool make_a_copy=false)" -->
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<td class="memname">Gdk::Region::Region </td>
<td>(</td>
<td class="paramtype">GdkRegion * </td>
<td class="paramname"><em>castitem</em>, </td>
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<td class="paramname"><em>make_a_copy</em> = <code>false</code> </td>
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<td>)</td>
<td></td><td><code> [explicit]</code></td>
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<a class="anchor" id="a572e1d42d9f8fa0921e4020e54d89879"></a><!-- doxytag: member="Gdk::Region::Region" ref="a572e1d42d9f8fa0921e4020e54d89879" args="(const Region &src)" -->
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<td class="memname">Gdk::Region::Region </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>src</em></td><td>)</td>
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<a class="anchor" id="a090553fce729ac41f5ee86670596e060"></a><!-- doxytag: member="Gdk::Region::~Region" ref="a090553fce729ac41f5ee86670596e060" args="()" -->
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<td class="memname">Gdk::Region::~Region </td>
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<a class="anchor" id="afbaeee985278c783b1c2ef8024ef5798"></a><!-- doxytag: member="Gdk::Region::Region" ref="afbaeee985278c783b1c2ef8024ef5798" args="(const Glib::ArrayHandle< Gdk::Point > &points, FillRule fill_rule)" -->
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<td class="memname">Gdk::Region::Region </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ArrayHandle.html">Glib::ArrayHandle</a>< <a class="el" href="classGdk_1_1Point.html">Gdk::Point</a> >& </td>
<td class="paramname"><em>points</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__gdkmmEnums.html#gacdee003b8806d447553fd52634a7c135">FillRule</a> </td>
<td class="paramname"><em>fill_rule</em> </td>
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<td>)</td>
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<a class="anchor" id="aa6cf19ceb186845c0ec58f3608b7012f"></a><!-- doxytag: member="Gdk::Region::Region" ref="aa6cf19ceb186845c0ec58f3608b7012f" args="(const Rectangle &rectangle)" -->
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<td class="paramtype">const <a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a>& </td>
<td class="paramname"><em>rectangle</em></td><td>)</td>
<td><code> [explicit]</code></td>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="af7753c68bccb64f394914e11b866d2ab"></a><!-- doxytag: member="Gdk::Region::empty" ref="af7753c68bccb64f394914e11b866d2ab" args="()" -->
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<td class="memname">bool Gdk::Region::empty </td>
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<p>Finds out if the <a class="el" href="classGdk_1_1Region.html" title="This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graph...">Gdk::Region</a> is empty. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> if <em>region</em> is empty. </dd></dl>
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<a class="anchor" id="aa3c12f5281e440334f941d542e5b8a5e"></a><!-- doxytag: member="Gdk::Region::get_clipbox" ref="aa3c12f5281e440334f941d542e5b8a5e" args="(const Rectangle &rectangle)" -->
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<td class="memname">void Gdk::Region::get_clipbox </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a>& </td>
<td class="paramname"><em>rectangle</em></td><td>)</td>
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<p>Obtains the smallest rectangle which includes the entire <a class="el" href="classGdk_1_1Region.html" title="This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graph...">Gdk::Region</a>. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">rectangle</td><td>Return location for the clipbox. </td></tr>
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<a class="anchor" id="a24f61bbfd4d7477e2e3ebc9d1a77c543"></a><!-- doxytag: member="Gdk::Region::get_rectangles" ref="a24f61bbfd4d7477e2e3ebc9d1a77c543" args="() const " -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ArrayHandle.html">Glib::ArrayHandle</a><<a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a>> Gdk::Region::get_rectangles </td>
<td>(</td>
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<td> const</td>
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<a class="anchor" id="a88ddc5f67e8f73ff670940a5bf271d95"></a><!-- doxytag: member="Gdk::Region::gobj" ref="a88ddc5f67e8f73ff670940a5bf271d95" args="()" -->
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<td class="memname">GdkRegion* Gdk::Region::gobj </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="abbab3766b295ad9f13cfe4239bd62de5"></a><!-- doxytag: member="Gdk::Region::gobj" ref="abbab3766b295ad9f13cfe4239bd62de5" args="() const " -->
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<td class="memname">const GdkRegion* Gdk::Region::gobj </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const<code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a1bcf45ef91d6bcd306741c65acca5a1a"></a><!-- doxytag: member="Gdk::Region::gobj_copy" ref="a1bcf45ef91d6bcd306741c65acca5a1a" args="() const " -->
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<td class="memname">GdkRegion* Gdk::Region::gobj_copy </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
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<div class="memdoc">
<p>Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs. </p>
</div>
</div>
<a class="anchor" id="acd2355a5079d9db24f71aa19836284b5"></a><!-- doxytag: member="Gdk::Region::intersect" ref="acd2355a5079d9db24f71aa19836284b5" args="(const Region &source2)" -->
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<td class="memname">void Gdk::Region::intersect </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>source2</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets the area of <em>source1</em> to the intersection of the areas of <em>source1</em> and <em>source2</em>. </p>
<p>The resulting area is the set of pixels contained in both <em>source1</em> and <em>source2</em>. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">source2</td><td>Another <a class="el" href="classGdk_1_1Region.html" title="This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graph...">Gdk::Region</a>. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="aaa148e85944b0f80aac5c63dcdf0d539"></a><!-- doxytag: member="Gdk::Region::offset" ref="aaa148e85944b0f80aac5c63dcdf0d539" args="(int dx, int dy)" -->
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<td class="memname">void Gdk::Region::offset </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>dx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>dy</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
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<p>Moves a region the specified distance. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dx</td><td>The distance to move the region horizontally. </td></tr>
<tr><td class="paramname">dy</td><td>The distance to move the region vertically. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a4c9371596bda2f44397c2c8aed19451e"></a><!-- doxytag: member="Gdk::Region::operator=" ref="a4c9371596bda2f44397c2c8aed19451e" args="(const Region &src)" -->
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<td class="memname"><a class="el" href="classGdk_1_1Region.html">Region</a>& Gdk::Region::operator= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>src</em></td><td>)</td>
<td></td>
</tr>
</table>
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<div class="memdoc">
</div>
</div>
<a class="anchor" id="aa970ecf413ac23939f529b9e1c64e4ac"></a><!-- doxytag: member="Gdk::Region::point_in" ref="aa970ecf413ac23939f529b9e1c64e4ac" args="(int x, int y)" -->
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<td class="memname">bool Gdk::Region::point_in </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>y</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Finds out if a point is in a region. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>The x coordinate of a point. </td></tr>
<tr><td class="paramname">y</td><td>The y coordinate of a point. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> if the point is in <em>region</em>. </dd></dl>
</div>
</div>
<a class="anchor" id="a7c07ccb6b945f3aea839cf5a240e9cda"></a><!-- doxytag: member="Gdk::Region::rect_in" ref="a7c07ccb6b945f3aea839cf5a240e9cda" args="(const Rectangle &rect)" -->
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<td class="memname"><a class="el" href="group__gdkmmEnums.html#ga08d3ef020cf9281bc1ef38eb476a522a">OverlapType</a> Gdk::Region::rect_in </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a>& </td>
<td class="paramname"><em>rect</em></td><td>)</td>
<td></td>
</tr>
</table>
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<p>Tests whether a rectangle is within a region. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">rectangle</td><td>A <a class="el" href="classGdk_1_1Rectangle.html" title="Gdk::Rectangle is a structure holding the position and size of a rectangle.">Gdk::Rectangle</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Gdk::OVERLAP_RECTANGLE_IN, Gdk::OVERLAP_RECTANGLE_OUT, or Gdk::OVERLAP_RECTANGLE_PART, depending on whether the rectangle is inside, outside, or partly inside the <a class="el" href="classGdk_1_1Region.html" title="This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graph...">Gdk::Region</a>, respectively. </dd></dl>
</div>
</div>
<a class="anchor" id="a704914b3d479f04287bda71e3505601c"></a><!-- doxytag: member="Gdk::Region::shrink" ref="a704914b3d479f04287bda71e3505601c" args="(int dx, int dy)" -->
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<td class="memname">void Gdk::Region::shrink </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>dx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>dy</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Resizes a region by the specified amount. </p>
<p>Positive values shrink the region. Negative values expand it.</p>
<p>Deprecated: 2.22: There is no replacement for this function. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dx</td><td>The number of pixels to shrink the region horizontally. </td></tr>
<tr><td class="paramname">dy</td><td>The number of pixels to shrink the region vertically. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a182373eb640d80bcf9b3a37a496e770d"></a><!-- doxytag: member="Gdk::Region::spans_intersect_foreach" ref="a182373eb640d80bcf9b3a37a496e770d" args="(GdkSpan *spans, int n_spans, bool sorted, GdkSpanFunc function, gpointer data)" -->
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<td class="memname">void Gdk::Region::spans_intersect_foreach </td>
<td>(</td>
<td class="paramtype">GdkSpan * </td>
<td class="paramname"><em>spans</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>n_spans</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>sorted</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">GdkSpanFunc </td>
<td class="paramname"><em>function</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">gpointer </td>
<td class="paramname"><em>data</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Calls a function on each span in the intersection of <em>region</em> and <em>spans</em>. </p>
<p>Deprecated: 2.22: There is no replacement. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">spans</td><td>An array of Gdk::Spans. </td></tr>
<tr><td class="paramname">n_spans</td><td>The length of <em>spans</em>. </td></tr>
<tr><td class="paramname">sorted</td><td><code>true</code> if <em>spans</em> is sorted wrt. the y coordinate. </td></tr>
<tr><td class="paramname">function</td><td>Function to call on each span in the intersection. </td></tr>
<tr><td class="paramname">data</td><td>Data to pass to <em>function</em>. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a3bda6bea1ed064c6ab41700d24b2933e"></a><!-- doxytag: member="Gdk::Region::subtract" ref="a3bda6bea1ed064c6ab41700d24b2933e" args="(const Region &source2)" -->
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<td class="memname">void Gdk::Region::subtract </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>source2</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
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<p>Subtracts the area of <em>source2</em> from the area <em>source1</em>. </p>
<p>The resulting area is the set of pixels contained in <em>source1</em> but not in <em>source2</em>. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">source2</td><td>Another <a class="el" href="classGdk_1_1Region.html" title="This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graph...">Gdk::Region</a>. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a9c911592e7eba011d2c1874ca4ec2b37"></a><!-- doxytag: member="Gdk::Region::union_" ref="a9c911592e7eba011d2c1874ca4ec2b37" args="(const Region &source2)" -->
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<td class="memname">void Gdk::Region::union_ </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>source2</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets the area of <em>source1</em> to the union of the areas of <em>source1</em> and <em>source2</em>. </p>
<p>The resulting area is the set of pixels contained in either <em>source1</em> or <em>source2</em>. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">source2</td><td>A <a class="el" href="classGdk_1_1Region.html" title="This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graph...">Gdk::Region</a>. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ac2099c7feb3f0db0a13599ce82a64ccb"></a><!-- doxytag: member="Gdk::Region::union_with_rect" ref="ac2099c7feb3f0db0a13599ce82a64ccb" args="(const Rectangle &rect)" -->
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<td class="memname">void Gdk::Region::union_with_rect </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Rectangle.html">Rectangle</a>& </td>
<td class="paramname"><em>rect</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets the area of <em>region</em> to the union of the areas of <em>region</em> and <em>rect</em>. </p>
<p>The resulting area is the set of pixels contained in either <em>region</em> or <em>rect</em>. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">rect</td><td>A <a class="el" href="classGdk_1_1Rectangle.html" title="Gdk::Rectangle is a structure holding the position and size of a rectangle.">Gdk::Rectangle</a>. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a13df0bfd25da620cae29dc8421b144ad"></a><!-- doxytag: member="Gdk::Region::xor_" ref="a13df0bfd25da620cae29dc8421b144ad" args="(const Region &source2)" -->
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<td class="memname">void Gdk::Region::xor_ </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>source2</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
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<p>Sets the area of <em>source1</em> to the exclusive-OR of the areas of <em>source1</em> and <em>source2</em>. </p>
<p>The resulting area is the set of pixels contained in one or the other of the two sources but not in both. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">source2</td><td>Another <a class="el" href="classGdk_1_1Region.html" title="This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graph...">Gdk::Region</a>. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Friends And Related Function Documentation</h2>
<a class="anchor" id="aa1bf387412637ba1e7bde5d96be04716"></a><!-- doxytag: member="Gdk::Region::operator!=" ref="aa1bf387412637ba1e7bde5d96be04716" args="(const Region &lhs, const Region &rhs)" -->
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<td class="memname">bool <a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01176.html#gac4373547895ec9df9035719b38a2621a">operator!</a>= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>lhs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>rhs</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">lhs</td><td>The left-hand side </td></tr>
<tr><td class="paramname">rhs</td><td>The right-hand side </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The result </dd></dl>
</div>
</div>
<a class="anchor" id="ae7352d5986918d60055ffec688285606"></a><!-- doxytag: member="Gdk::Region::operator==" ref="ae7352d5986918d60055ffec688285606" args="(const Region &lhs, const Region &rhs)" -->
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<td class="memname">bool operator== </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>lhs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classGdk_1_1Region.html">Region</a>& </td>
<td class="paramname"><em>rhs</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">lhs</td><td>The left-hand side </td></tr>
<tr><td class="paramname">rhs</td><td>The right-hand side </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The result </dd></dl>
</div>
</div>
<a class="anchor" id="a984fe93ad98e4caa2765c67380425bfb"></a><!-- doxytag: member="Gdk::Region::wrap" ref="a984fe93ad98e4caa2765c67380425bfb" args="(GdkRegion *object, bool take_copy=false)" -->
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<td class="memname"><a class="el" href="classGdk_1_1Region.html">Gdk::Region</a> wrap </td>
<td>(</td>
<td class="paramtype">GdkRegion * </td>
<td class="paramname"><em>object</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>take_copy</em> = <code>false</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>A <a class="elRef" href="../../../glibmm-2.4/reference/html/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">object</td><td>The C instance. </td></tr>
<tr><td class="paramname">take_copy</td><td>False if the result should take ownership of the C instance. True if it should take a new copy or ref. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A C++ instance that wraps this C instance. </dd></dl>
</div>
</div>
<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="aa848e0e9212789e21ac405d96baad62b"></a><!-- doxytag: member="Gdk::Region::gobject_" ref="aa848e0e9212789e21ac405d96baad62b" args="" -->
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<td class="memname">GdkRegion* <a class="el" href="classGdk_1_1Region.html#aa848e0e9212789e21ac405d96baad62b">Gdk::Region::gobject_</a><code> [protected]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>gdkmm/region.h</li>
</ul>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Tue Jun 25 2013 for gtkmm by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address>
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