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16 <h1>Graph Legend</h1>This page explains how to interpret the graphs that are generated by doxygen.<p>
17 Consider the following example: <div class="fragment"><pre class="fragment"><span class="comment">/*! Invisible class because of truncation */</span>
18 <span class="keyword">class </span>Invisible { };
19 <span class="comment"></span>
20 <span class="comment">/*! Truncated class, inheritance relation is hidden */</span>
21 <span class="keyword">class </span>Truncated : <span class="keyword">public</span> Invisible { };
23 <span class="comment">/* Class not documented with doxygen comments */</span>
24 <span class="keyword">class </span>Undocumented { };
25 <span class="comment"></span>
26 <span class="comment">/*! Class that is inherited using public inheritance */</span>
27 <span class="keyword">class </span>PublicBase : <span class="keyword">public</span> Truncated { };
28 <span class="comment"></span>
29 <span class="comment">/*! A template class */</span>
30 <span class="keyword">template</span><<span class="keyword">class</span> T> <span class="keyword">class </span>Templ { };
31 <span class="comment"></span>
32 <span class="comment">/*! Class that is inherited using protected inheritance */</span>
33 <span class="keyword">class </span>ProtectedBase { };
34 <span class="comment"></span>
35 <span class="comment">/*! Class that is inherited using private inheritance */</span>
36 <span class="keyword">class </span>PrivateBase { };
37 <span class="comment"></span>
38 <span class="comment">/*! Class that is used by the Inherited class */</span>
39 <span class="keyword">class </span>Used { };
40 <span class="comment"></span>
41 <span class="comment">/*! Super class that inherits a number of other classes */</span>
42 <span class="keyword">class </span>Inherited : <span class="keyword">public</span> PublicBase,
43 <span class="keyword">protected</span> ProtectedBase,
44 <span class="keyword">private</span> PrivateBase,
45 <span class="keyword">public</span> Undocumented
46 <span class="keyword">public</span> Templ<int>
48 <span class="keyword">private</span>:
51 </pre></div> If the <code>MAX_DOT_GRAPH_HEIGHT</code> tag in the configuration file is set to 240 this will result in the following graph:<p>
52 <center><div align="center">
53 <img src="graph_legend.png" alt="graph_legend.png">
56 The boxes in the above graph have the following meaning: <ul>
58 A filled black box represents the struct or class for which the graph is generated. </li>
60 A box with a black border denotes a documented struct or class. </li>
62 A box with a grey border denotes an undocumented struct or class. </li>
64 A box with a red border denotes a documented struct or class forwhich not all inheritance/containment relations are shown. A graph is truncated if it does not fit within the specified boundaries. </li>
66 The arrows have the following meaning: <ul>
68 A dark blue arrow is used to visualize a public inheritance relation between two classes. </li>
70 A dark green arrow is used for protected inheritance. </li>
72 A dark red arrow is used for private inheritance. </li>
74 A purple dashed arrow is used if a class is contained or used by another class. The arrow is labeled with the variable(s) through which the pointed class or struct is accessible. </li>
76 A yellow dashed arrow denotes a relation between a template instance and the template class it was instantiated from. The arrow is labeled with the template parameters of the instance. </li>
80 <a href="http://www.c-pluff.org/">C-Pluff</a>, a plug-in framework for C<br>
81 Copyright 2007 <a href="http://www.jlehtinen.net/">Johannes Lehtinen</a>
83 <p class="generated-by">
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