<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html><head><meta name="robots" content="noindex"> <meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>ITK: itkWeakPointer.h Source File</title> <link href="DoxygenStyle.css" rel="stylesheet" type="text/css"> </head><body bgcolor="#ffffff"> <!-- Section customized for INSIGHT : Tue Jul 17 01:02:45 2001 --> <center> <a href="index.html" class="qindex">Main Page</a> <a href="modules.html" class="qindex">Groups</a> <a href="namespaces.html" class="qindex">Namespace List</a> <a href="hierarchy.html" class="qindex">Class Hierarchy</a> <a href="classes.html" class="qindex">Alphabetical List</a> <a href="annotated.html" class="qindex">Compound List</a> <a href="files.html" class="qindex">File List</a> <a href="namespacemembers.html" class="qindex">Namespace Members</a> <a href="functions.html" class="qindex">Compound Members</a> <a href="globals.html" class="qindex">File Members</a> <a href="pages.html" class="qindex">Concepts</a></center> <!-- Generated by Doxygen 1.5.9 --> <div class="navpath"><a class="el" href="dir_02e23d841c198393a6e961e9a0678fff.html">Code</a> » <a class="el" href="dir_ea7fc529ede9a38b0438cf13831ae873.html">Common</a> </div> <div class="contents"> <h1>itkWeakPointer.h</h1><a href="itkWeakPointer_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span> <a name="l00002"></a>00002 <span class="comment"></span> <a name="l00003"></a>00003 <span class="comment"> Program: Insight Segmentation & Registration Toolkit</span> <a name="l00004"></a>00004 <span class="comment"> Module: $RCSfile: itkWeakPointer.h,v $</span> <a name="l00005"></a>00005 <span class="comment"> Language: C++</span> <a name="l00006"></a>00006 <span class="comment"> Date: $Date: 2006-05-10 20:27:16 $</span> <a name="l00007"></a>00007 <span class="comment"> Version: $Revision: 1.10 $</span> <a name="l00008"></a>00008 <span class="comment"></span> <a name="l00009"></a>00009 <span class="comment"> Copyright (c) Insight Software Consortium. All rights reserved.</span> <a name="l00010"></a>00010 <span class="comment"> See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.</span> <a name="l00011"></a>00011 <span class="comment"></span> <a name="l00012"></a>00012 <span class="comment"> This software is distributed WITHOUT ANY WARRANTY; without even </span> <a name="l00013"></a>00013 <span class="comment"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR </span> <a name="l00014"></a>00014 <span class="comment"> PURPOSE. See the above copyright notices for more information.</span> <a name="l00015"></a>00015 <span class="comment"></span> <a name="l00016"></a>00016 <span class="comment">=========================================================================*/</span> <a name="l00017"></a>00017 <span class="preprocessor">#ifndef __itkWeakPointer_h</span> <a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define __itkWeakPointer_h</span> <a name="l00019"></a>00019 <span class="preprocessor"></span> <a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="itkMacro_8h.html">itkMacro.h</a>"</span> <a name="l00021"></a>00021 <span class="preprocessor">#include <iostream></span> <a name="l00022"></a>00022 <a name="l00023"></a>00023 <span class="keyword">namespace </span>itk <a name="l00024"></a>00024 { <a name="l00025"></a>00025 <a name="l00042"></a>00042 <span class="keyword">template</span> <<span class="keyword">class</span> TObjectType> <a name="l00043"></a><a class="code" href="classitk_1_1WeakPointer.html">00043</a> <span class="keyword">class </span><a class="code" href="itkWin32Header_8h.html#7d4384322557205d75f0719c012dded6">ITK_EXPORT</a> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> <a name="l00044"></a>00044 { <a name="l00045"></a>00045 <span class="keyword">public</span>: <a name="l00047"></a><a class="code" href="classitk_1_1WeakPointer.html#b6375baf90831c0db34ce8f379fa2d7a">00047</a> <span class="keyword">typedef</span> TObjectType <a class="code" href="classitk_1_1ProcessObject.html" title="ProcessObject is the base class for all process objects (source, filters, mappers)...">ObjectType</a>; <a name="l00048"></a>00048 <a name="l00050"></a><a class="code" href="classitk_1_1WeakPointer.html#033debfd2c913aa43ec848f940317797">00050</a> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> () <a name="l00051"></a>00051 { m_Pointer = 0; } <a name="l00052"></a>00052 <a name="l00054"></a><a class="code" href="classitk_1_1WeakPointer.html#3ecc366bfb7f80f5b7fd516ea7f59e0e">00054</a> <a class="code" href="classitk_1_1WeakPointer.html#3ecc366bfb7f80f5b7fd516ea7f59e0e">WeakPointer</a> (<span class="keyword">const</span> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer<ObjectType></a> &p): m_Pointer(p.m_Pointer) {} <a name="l00055"></a>00055 <a name="l00057"></a><a class="code" href="classitk_1_1WeakPointer.html#8d71765786875c1fd253303f750b3ef2">00057</a> <a class="code" href="classitk_1_1WeakPointer.html#8d71765786875c1fd253303f750b3ef2">WeakPointer</a> (<a class="code" href="classitk_1_1ProcessObject.html" title="ProcessObject is the base class for all process objects (source, filters, mappers)...">ObjectType</a> *p): m_Pointer(p) { } <a name="l00058"></a>00058 <a name="l00060"></a><a class="code" href="classitk_1_1WeakPointer.html#c1b27f3c6e8b4ed9ca22cce4096d5e73">00060</a> ~<a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> () <a name="l00061"></a>00061 { m_Pointer = 0; } <a name="l00062"></a>00062 <a name="l00064"></a><a class="code" href="classitk_1_1WeakPointer.html#acd20e2178a742dd74d249737b0bdec2">00064</a> <a class="code" href="classitk_1_1ProcessObject.html" title="ProcessObject is the base class for all process objects (source, filters, mappers)...">ObjectType</a> *operator -> ()<span class="keyword"> const</span> <a name="l00065"></a>00065 <span class="keyword"> </span>{ <span class="keywordflow">return</span> m_Pointer; } <a name="l00066"></a>00066 <a name="l00068"></a><a class="code" href="classitk_1_1WeakPointer.html#b68cc802336f3a2e4ec628b4c2c1a3ed">00068</a> operator ObjectType * ()<span class="keyword"> const</span> <a name="l00069"></a>00069 <span class="keyword"> </span>{ <span class="keywordflow">return</span> m_Pointer; } <a name="l00070"></a>00070 <a name="l00072"></a>00072 <span class="keyword">template</span> <<span class="keyword">typename</span> R> <a name="l00073"></a><a class="code" href="classitk_1_1WeakPointer.html#afdac5c09ac4f0cbf8f720705f609ca0">00073</a> <span class="keywordtype">bool</span> <a class="code" href="namespaceitk.html#e1c1b02c301187419478f5126c789a01">operator == </a>(R r)<span class="keyword"> const</span> <a name="l00074"></a>00074 <span class="keyword"> </span>{ <a name="l00075"></a>00075 <span class="keywordflow">return</span> (m_Pointer == (<a class="code" href="classitk_1_1ProcessObject.html" title="ProcessObject is the base class for all process objects (source, filters, mappers)...">ObjectType</a>*)r); <a name="l00076"></a>00076 } <a name="l00077"></a>00077 <span class="keyword">template</span> <<span class="keyword">typename</span> R> <a name="l00078"></a><a class="code" href="classitk_1_1WeakPointer.html#e3f92889df5654045476d4589b642c75">00078</a> <span class="keywordtype">bool</span> <a class="code" href="namespaceitk_1_1ImageToImageFilterDetail.html#7bf30438b5d3bdc0eddbecd9b17baa3b">operator != </a>(R r)<span class="keyword"> const</span> <a name="l00079"></a>00079 <span class="keyword"> </span>{ <a name="l00080"></a>00080 <span class="keywordflow">return</span> (m_Pointer != (<a class="code" href="classitk_1_1ProcessObject.html" title="ProcessObject is the base class for all process objects (source, filters, mappers)...">ObjectType</a>*)r); <a name="l00081"></a>00081 } <a name="l00083"></a>00083 <a name="l00085"></a><a class="code" href="classitk_1_1WeakPointer.html#ccee0959876af566b55752e6f2c89da9">00085</a> <a class="code" href="classitk_1_1ProcessObject.html" title="ProcessObject is the base class for all process objects (source, filters, mappers)...">ObjectType</a> *GetPointer ()<span class="keyword"> const</span> <a name="l00086"></a>00086 <span class="keyword"> </span>{ <span class="keywordflow">return</span> m_Pointer; } <a name="l00087"></a>00087 <a name="l00089"></a><a class="code" href="classitk_1_1WeakPointer.html#5241375f6ddefa0567c30942f011f579">00089</a> <span class="keywordtype">bool</span> operator < (<span class="keyword">const</span> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> &r)<span class="keyword"> const</span> <a name="l00090"></a>00090 <span class="keyword"> </span>{ <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*)m_Pointer < (<span class="keywordtype">void</span>*) r.m_Pointer; } <a name="l00091"></a>00091 <a name="l00093"></a><a class="code" href="classitk_1_1WeakPointer.html#96dfc09096b66089195597a8d94500ef">00093</a> <span class="keywordtype">bool</span> operator > (<span class="keyword">const</span> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> &r)<span class="keyword"> const</span> <a name="l00094"></a>00094 <span class="keyword"> </span>{ <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*)m_Pointer > (<span class="keywordtype">void</span>*) r.m_Pointer; } <a name="l00095"></a>00095 <a name="l00097"></a><a class="code" href="classitk_1_1WeakPointer.html#f57fc067a82012dc40b334dbb73d9850">00097</a> <span class="keywordtype">bool</span> operator <= (<span class="keyword">const</span> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> &r)<span class="keyword"> const</span> <a name="l00098"></a>00098 <span class="keyword"> </span>{ <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*)m_Pointer <= (<span class="keywordtype">void</span>*) r.m_Pointer; } <a name="l00099"></a>00099 <a name="l00101"></a><a class="code" href="classitk_1_1WeakPointer.html#bd61ff6be39392d7021e23e2e75835c6">00101</a> <span class="keywordtype">bool</span> operator >= (<span class="keyword">const</span> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> &r)<span class="keyword"> const</span> <a name="l00102"></a>00102 <span class="keyword"> </span>{ <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*)m_Pointer >= (<span class="keywordtype">void</span>*) r.m_Pointer; } <a name="l00103"></a>00103 <a name="l00105"></a><a class="code" href="classitk_1_1WeakPointer.html#d6fc888902321f63ec1d4d55bb55e818">00105</a> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> &operator = (<span class="keyword">const</span> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> &r) <a name="l00106"></a>00106 { <span class="keywordflow">return</span> this->operator = (r.<a class="code" href="classitk_1_1WeakPointer.html#ccee0959876af566b55752e6f2c89da9">GetPointer</a>()); } <a name="l00107"></a>00107 <a name="l00109"></a><a class="code" href="classitk_1_1WeakPointer.html#48a2f5c4b2702276b7cbcbb7d14057f8">00109</a> <a class="code" href="classitk_1_1WeakPointer.html" title="Implements a weak reference to an object.">WeakPointer</a> &operator = (<a class="code" href="classitk_1_1ProcessObject.html" title="ProcessObject is the base class for all process objects (source, filters, mappers)...">ObjectType</a> *r) <a name="l00110"></a>00110 { <a name="l00111"></a>00111 m_Pointer = r; <a name="l00112"></a>00112 <span class="keywordflow">return</span> *<span class="keyword">this</span>; <a name="l00113"></a>00113 } <a name="l00114"></a>00114 <a name="l00116"></a><a class="code" href="classitk_1_1WeakPointer.html#5acf8f7d32a672a296ebf1556a7bbde7">00116</a> <a class="code" href="classitk_1_1ProcessObject.html" title="ProcessObject is the base class for all process objects (source, filters, mappers)...">ObjectType</a> *Print (std::ostream& os)<span class="keyword"> const</span> <a name="l00117"></a>00117 <span class="keyword"> </span>{ <a name="l00118"></a>00118 <span class="comment">// This prints the object pointed to by the pointer</span> <a name="l00119"></a>00119 (*m_Pointer).<a class="code" href="classitk_1_1LightObject.html#bb0e07472c48d5a2033ac69ed519a338">Print</a>(os); <a name="l00120"></a>00120 <span class="keywordflow">return</span> m_Pointer; <a name="l00121"></a>00121 } <a name="l00123"></a>00123 <a name="l00124"></a>00124 <span class="keyword">private</span>: <a name="l00126"></a>00126 ObjectType* m_Pointer; <a name="l00127"></a>00127 }; <a name="l00128"></a>00128 <a name="l00129"></a>00129 <a name="l00130"></a>00130 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a name="l00131"></a><a class="code" href="namespaceitk.html#321041d43cfac6683753f68b122508f2">00131</a> std::ostream& operator<< (std::ostream& os, WeakPointer<T> p) <a name="l00132"></a>00132 { <a name="l00133"></a>00133 p.Print(os); <a name="l00134"></a>00134 <span class="keywordflow">return</span> os; <a name="l00135"></a>00135 } <a name="l00136"></a>00136 <a name="l00137"></a>00137 } <span class="comment">// end namespace itk</span> <a name="l00138"></a>00138 <a name="l00139"></a>00139 <span class="preprocessor">#endif</span> <a name="l00140"></a>00140 <span class="preprocessor"></span> </pre></div></div> <hr><address><small> Generated at Fri May 8 00:40:49 2009 for ITK by <a href="http://www.stack.nl/~dimitri/doxygen/index.html"> <img src="http://www.stack.nl/~dimitri/doxygen/doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53> </a> 1.5.9 written by <a href="mailto:dimitri@stack.nl">Dimitri van Heesch</a>, © 1997-2000</small></address> </body> </html>