DISTRHO Plugin Framework
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  85. <a href="#pub-methods">Public Member Functions</a> &#124;
  86. <a href="classScopedPointer-members.html">List of all members</a> </div>
  87. <div class="headertitle">
  88. <div class="title">ScopedPointer&lt; ObjectType &gt; Class Template Reference</div> </div>
  89. </div><!--header-->
  90. <div class="contents">
  91. <p><code>#include &lt;<a class="el" href="ScopedPointer_8hpp_source.html">ScopedPointer.hpp</a>&gt;</code></p>
  92. <table class="memberdecls">
  93. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
  94. Public Member Functions</h2></td></tr>
  95. <tr class="memitem:ac187958296e33aa057dd37478ea70400"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#ac187958296e33aa057dd37478ea70400">ScopedPointer</a> () noexcept</td></tr>
  96. <tr class="separator:ac187958296e33aa057dd37478ea70400"><td class="memSeparator" colspan="2">&#160;</td></tr>
  97. <tr class="memitem:a44a7843e49c3ff719f06607b6e908f7d"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#a44a7843e49c3ff719f06607b6e908f7d">ScopedPointer</a> (ObjectType *const objectToTakePossessionOf) noexcept</td></tr>
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  99. <tr class="memitem:a04688b1561dd9d861ca80c6deb63a233"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#a04688b1561dd9d861ca80c6deb63a233">ScopedPointer</a> (<a class="el" href="classScopedPointer.html">ScopedPointer</a> &amp;objectToTransferFrom) noexcept</td></tr>
  100. <tr class="separator:a04688b1561dd9d861ca80c6deb63a233"><td class="memSeparator" colspan="2">&#160;</td></tr>
  101. <tr class="memitem:a3c540f0121065aafa5f9607362fc1450"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#a3c540f0121065aafa5f9607362fc1450">~ScopedPointer</a> ()</td></tr>
  102. <tr class="separator:a3c540f0121065aafa5f9607362fc1450"><td class="memSeparator" colspan="2">&#160;</td></tr>
  103. <tr class="memitem:afefc7940828d72c056e03804cd6bea9f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classScopedPointer.html">ScopedPointer</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#afefc7940828d72c056e03804cd6bea9f">operator=</a> (<a class="el" href="classScopedPointer.html">ScopedPointer</a> &amp;objectToTransferFrom)</td></tr>
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  105. <tr class="memitem:a88ee7f038e57471539d3181141c0390e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classScopedPointer.html">ScopedPointer</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#a88ee7f038e57471539d3181141c0390e">operator=</a> (ObjectType *const newObjectToTakePossessionOf)</td></tr>
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  107. <tr class="memitem:af7c241c736d79754fd6f8d305cce8bc3"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#af7c241c736d79754fd6f8d305cce8bc3">operator ObjectType *</a> () const noexcept</td></tr>
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  109. <tr class="memitem:ac65fb45b9eb2d53773489fcfbc6fd740"><td class="memItemLeft" align="right" valign="top">ObjectType *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#ac65fb45b9eb2d53773489fcfbc6fd740">get</a> () const noexcept</td></tr>
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  111. <tr class="memitem:a2f48458a1656a6ef1bd35cb8452eed35"><td class="memItemLeft" align="right" valign="top">ObjectType &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#a2f48458a1656a6ef1bd35cb8452eed35">operator*</a> () const noexcept</td></tr>
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  113. <tr class="memitem:a6eedc84349cbe629cc1abb79ffa74e87"><td class="memItemLeft" align="right" valign="top">ObjectType *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#a6eedc84349cbe629cc1abb79ffa74e87">operator-&gt;</a> () const noexcept</td></tr>
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  115. <tr class="memitem:a10c8f696fec0cca763b067ec3e469199"><td class="memItemLeft" align="right" valign="top">ObjectType *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#a10c8f696fec0cca763b067ec3e469199">release</a> () noexcept</td></tr>
  116. <tr class="separator:a10c8f696fec0cca763b067ec3e469199"><td class="memSeparator" colspan="2">&#160;</td></tr>
  117. <tr class="memitem:a362cd8d5a212df0ee08691b75a4ba3de"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classScopedPointer.html#a362cd8d5a212df0ee08691b75a4ba3de">swapWith</a> (<a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt; &amp;other) noexcept</td></tr>
  118. <tr class="separator:a362cd8d5a212df0ee08691b75a4ba3de"><td class="memSeparator" colspan="2">&#160;</td></tr>
  119. </table>
  120. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  121. <div class="textblock"><h3>template&lt;class ObjectType&gt;<br />
  122. class ScopedPointer&lt; ObjectType &gt;</h3>
  123. <p>This class holds a pointer which is automatically deleted when this object goes out of scope.</p>
  124. <p>Once a pointer has been passed to a <a class="el" href="classScopedPointer.html">ScopedPointer</a>, it will make sure that the pointer gets deleted when the <a class="el" href="classScopedPointer.html">ScopedPointer</a> is deleted. Using the <a class="el" href="classScopedPointer.html">ScopedPointer</a> on the stack or as member variables is a good way to use RAII to avoid accidentally leaking dynamically created objects.</p>
  125. <p>A <a class="el" href="classScopedPointer.html">ScopedPointer</a> can be used in pretty much the same way that you'd use a normal pointer to an object. If you use the assignment operator to assign a different object to a <a class="el" href="classScopedPointer.html">ScopedPointer</a>, the old one will be automatically deleted.</p>
  126. <p>A const <a class="el" href="classScopedPointer.html">ScopedPointer</a> is guaranteed not to lose ownership of its object or change the object to which it points during its lifetime. This means that making a copy of a const <a class="el" href="classScopedPointer.html">ScopedPointer</a> is impossible, as that would involve the new copy taking ownership from the old one.</p>
  127. <p>If you need to get a pointer out of a <a class="el" href="classScopedPointer.html">ScopedPointer</a> without it being deleted, you can use the <a class="el" href="classScopedPointer.html#a10c8f696fec0cca763b067ec3e469199">release()</a> method.</p>
  128. <p>Something to note is the main difference between this class and the std::auto_ptr class, which is that <a class="el" href="classScopedPointer.html">ScopedPointer</a> provides a cast-to-object operator, wheras std::auto_ptr requires that you always call <a class="el" href="classScopedPointer.html#ac65fb45b9eb2d53773489fcfbc6fd740">get()</a> to retrieve the pointer. The advantages of providing the cast is that you don't need to call <a class="el" href="classScopedPointer.html#ac65fb45b9eb2d53773489fcfbc6fd740">get()</a>, so can use the <a class="el" href="classScopedPointer.html">ScopedPointer</a> in pretty much exactly the same way as a raw pointer. The disadvantage is that the compiler is free to use the cast in unexpected and sometimes dangerous ways - in particular, it becomes difficult to return a <a class="el" href="classScopedPointer.html">ScopedPointer</a> as the result of a function. To avoid this causing errors, <a class="el" href="classScopedPointer.html">ScopedPointer</a> contains an overloaded constructor that should cause a syntax error in these circumstances, but it does mean that instead of returning a <a class="el" href="classScopedPointer.html">ScopedPointer</a> from a function, you'd need to return a raw pointer (or use a std::auto_ptr instead). </p>
  129. </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
  130. <a class="anchor" id="ac187958296e33aa057dd37478ea70400"></a>
  131. <div class="memitem">
  132. <div class="memproto">
  133. <div class="memtemplate">
  134. template&lt;class ObjectType&gt; </div>
  135. <table class="mlabels">
  136. <tr>
  137. <td class="mlabels-left">
  138. <table class="memname">
  139. <tr>
  140. <td class="memname"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::<a class="el" href="classScopedPointer.html">ScopedPointer</a> </td>
  141. <td>(</td>
  142. <td class="paramname"></td><td>)</td>
  143. <td></td>
  144. </tr>
  145. </table>
  146. </td>
  147. <td class="mlabels-right">
  148. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
  149. </tr>
  150. </table>
  151. </div><div class="memdoc">
  152. <p>Creates a <a class="el" href="classScopedPointer.html">ScopedPointer</a> containing a null pointer. </p>
  153. </div>
  154. </div>
  155. <a class="anchor" id="a44a7843e49c3ff719f06607b6e908f7d"></a>
  156. <div class="memitem">
  157. <div class="memproto">
  158. <div class="memtemplate">
  159. template&lt;class ObjectType&gt; </div>
  160. <table class="mlabels">
  161. <tr>
  162. <td class="mlabels-left">
  163. <table class="memname">
  164. <tr>
  165. <td class="memname"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::<a class="el" href="classScopedPointer.html">ScopedPointer</a> </td>
  166. <td>(</td>
  167. <td class="paramtype">ObjectType *const&#160;</td>
  168. <td class="paramname"><em>objectToTakePossessionOf</em></td><td>)</td>
  169. <td></td>
  170. </tr>
  171. </table>
  172. </td>
  173. <td class="mlabels-right">
  174. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
  175. </tr>
  176. </table>
  177. </div><div class="memdoc">
  178. <p>Creates a <a class="el" href="classScopedPointer.html">ScopedPointer</a> that owns the specified object. </p>
  179. </div>
  180. </div>
  181. <a class="anchor" id="a04688b1561dd9d861ca80c6deb63a233"></a>
  182. <div class="memitem">
  183. <div class="memproto">
  184. <div class="memtemplate">
  185. template&lt;class ObjectType&gt; </div>
  186. <table class="mlabels">
  187. <tr>
  188. <td class="mlabels-left">
  189. <table class="memname">
  190. <tr>
  191. <td class="memname"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::<a class="el" href="classScopedPointer.html">ScopedPointer</a> </td>
  192. <td>(</td>
  193. <td class="paramtype"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt; &amp;&#160;</td>
  194. <td class="paramname"><em>objectToTransferFrom</em></td><td>)</td>
  195. <td></td>
  196. </tr>
  197. </table>
  198. </td>
  199. <td class="mlabels-right">
  200. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
  201. </tr>
  202. </table>
  203. </div><div class="memdoc">
  204. <p>Creates a <a class="el" href="classScopedPointer.html">ScopedPointer</a> that takes its pointer from another <a class="el" href="classScopedPointer.html">ScopedPointer</a>.</p>
  205. <p>Because a pointer can only belong to one <a class="el" href="classScopedPointer.html">ScopedPointer</a>, this transfers the pointer from the other object to this one, and the other object is reset to be a null pointer. </p>
  206. </div>
  207. </div>
  208. <a class="anchor" id="a3c540f0121065aafa5f9607362fc1450"></a>
  209. <div class="memitem">
  210. <div class="memproto">
  211. <div class="memtemplate">
  212. template&lt;class ObjectType&gt; </div>
  213. <table class="mlabels">
  214. <tr>
  215. <td class="mlabels-left">
  216. <table class="memname">
  217. <tr>
  218. <td class="memname"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::~<a class="el" href="classScopedPointer.html">ScopedPointer</a> </td>
  219. <td>(</td>
  220. <td class="paramname"></td><td>)</td>
  221. <td></td>
  222. </tr>
  223. </table>
  224. </td>
  225. <td class="mlabels-right">
  226. <span class="mlabels"><span class="mlabel">inline</span></span> </td>
  227. </tr>
  228. </table>
  229. </div><div class="memdoc">
  230. <p>Destructor. This will delete the object that this <a class="el" href="classScopedPointer.html">ScopedPointer</a> currently refers to. </p>
  231. </div>
  232. </div>
  233. <h2 class="groupheader">Member Function Documentation</h2>
  234. <a class="anchor" id="afefc7940828d72c056e03804cd6bea9f"></a>
  235. <div class="memitem">
  236. <div class="memproto">
  237. <div class="memtemplate">
  238. template&lt;class ObjectType&gt; </div>
  239. <table class="mlabels">
  240. <tr>
  241. <td class="mlabels-left">
  242. <table class="memname">
  243. <tr>
  244. <td class="memname"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&amp; <a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::operator= </td>
  245. <td>(</td>
  246. <td class="paramtype"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt; &amp;&#160;</td>
  247. <td class="paramname"><em>objectToTransferFrom</em></td><td>)</td>
  248. <td></td>
  249. </tr>
  250. </table>
  251. </td>
  252. <td class="mlabels-right">
  253. <span class="mlabels"><span class="mlabel">inline</span></span> </td>
  254. </tr>
  255. </table>
  256. </div><div class="memdoc">
  257. <p>Changes this <a class="el" href="classScopedPointer.html">ScopedPointer</a> to point to a new object.</p>
  258. <p>Because a pointer can only belong to one <a class="el" href="classScopedPointer.html">ScopedPointer</a>, this transfers the pointer from the other object to this one, and the other object is reset to be a null pointer.</p>
  259. <p>If this <a class="el" href="classScopedPointer.html">ScopedPointer</a> already points to an object, that object will first be deleted. </p>
  260. </div>
  261. </div>
  262. <a class="anchor" id="a88ee7f038e57471539d3181141c0390e"></a>
  263. <div class="memitem">
  264. <div class="memproto">
  265. <div class="memtemplate">
  266. template&lt;class ObjectType&gt; </div>
  267. <table class="mlabels">
  268. <tr>
  269. <td class="mlabels-left">
  270. <table class="memname">
  271. <tr>
  272. <td class="memname"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&amp; <a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::operator= </td>
  273. <td>(</td>
  274. <td class="paramtype">ObjectType *const&#160;</td>
  275. <td class="paramname"><em>newObjectToTakePossessionOf</em></td><td>)</td>
  276. <td></td>
  277. </tr>
  278. </table>
  279. </td>
  280. <td class="mlabels-right">
  281. <span class="mlabels"><span class="mlabel">inline</span></span> </td>
  282. </tr>
  283. </table>
  284. </div><div class="memdoc">
  285. <p>Changes this <a class="el" href="classScopedPointer.html">ScopedPointer</a> to point to a new object.</p>
  286. <p>If this <a class="el" href="classScopedPointer.html">ScopedPointer</a> already points to an object, that object will first be deleted.</p>
  287. <p>The pointer that you pass in may be a nullptr. </p>
  288. </div>
  289. </div>
  290. <a class="anchor" id="af7c241c736d79754fd6f8d305cce8bc3"></a>
  291. <div class="memitem">
  292. <div class="memproto">
  293. <div class="memtemplate">
  294. template&lt;class ObjectType&gt; </div>
  295. <table class="mlabels">
  296. <tr>
  297. <td class="mlabels-left">
  298. <table class="memname">
  299. <tr>
  300. <td class="memname"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::operator ObjectType * </td>
  301. <td>(</td>
  302. <td class="paramname"></td><td>)</td>
  303. <td> const</td>
  304. </tr>
  305. </table>
  306. </td>
  307. <td class="mlabels-right">
  308. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
  309. </tr>
  310. </table>
  311. </div><div class="memdoc">
  312. <p>Returns the object that this <a class="el" href="classScopedPointer.html">ScopedPointer</a> refers to. </p>
  313. </div>
  314. </div>
  315. <a class="anchor" id="ac65fb45b9eb2d53773489fcfbc6fd740"></a>
  316. <div class="memitem">
  317. <div class="memproto">
  318. <div class="memtemplate">
  319. template&lt;class ObjectType&gt; </div>
  320. <table class="mlabels">
  321. <tr>
  322. <td class="mlabels-left">
  323. <table class="memname">
  324. <tr>
  325. <td class="memname">ObjectType* <a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::get </td>
  326. <td>(</td>
  327. <td class="paramname"></td><td>)</td>
  328. <td> const</td>
  329. </tr>
  330. </table>
  331. </td>
  332. <td class="mlabels-right">
  333. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
  334. </tr>
  335. </table>
  336. </div><div class="memdoc">
  337. <p>Returns the object that this <a class="el" href="classScopedPointer.html">ScopedPointer</a> refers to. </p>
  338. </div>
  339. </div>
  340. <a class="anchor" id="a2f48458a1656a6ef1bd35cb8452eed35"></a>
  341. <div class="memitem">
  342. <div class="memproto">
  343. <div class="memtemplate">
  344. template&lt;class ObjectType&gt; </div>
  345. <table class="mlabels">
  346. <tr>
  347. <td class="mlabels-left">
  348. <table class="memname">
  349. <tr>
  350. <td class="memname">ObjectType&amp; <a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::operator* </td>
  351. <td>(</td>
  352. <td class="paramname"></td><td>)</td>
  353. <td> const</td>
  354. </tr>
  355. </table>
  356. </td>
  357. <td class="mlabels-right">
  358. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
  359. </tr>
  360. </table>
  361. </div><div class="memdoc">
  362. <p>Returns the object that this <a class="el" href="classScopedPointer.html">ScopedPointer</a> refers to. </p>
  363. </div>
  364. </div>
  365. <a class="anchor" id="a6eedc84349cbe629cc1abb79ffa74e87"></a>
  366. <div class="memitem">
  367. <div class="memproto">
  368. <div class="memtemplate">
  369. template&lt;class ObjectType&gt; </div>
  370. <table class="mlabels">
  371. <tr>
  372. <td class="mlabels-left">
  373. <table class="memname">
  374. <tr>
  375. <td class="memname">ObjectType* <a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::operator-&gt; </td>
  376. <td>(</td>
  377. <td class="paramname"></td><td>)</td>
  378. <td> const</td>
  379. </tr>
  380. </table>
  381. </td>
  382. <td class="mlabels-right">
  383. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
  384. </tr>
  385. </table>
  386. </div><div class="memdoc">
  387. <p>Lets you access methods and properties of the object that this <a class="el" href="classScopedPointer.html">ScopedPointer</a> refers to. </p>
  388. </div>
  389. </div>
  390. <a class="anchor" id="a10c8f696fec0cca763b067ec3e469199"></a>
  391. <div class="memitem">
  392. <div class="memproto">
  393. <div class="memtemplate">
  394. template&lt;class ObjectType&gt; </div>
  395. <table class="mlabels">
  396. <tr>
  397. <td class="mlabels-left">
  398. <table class="memname">
  399. <tr>
  400. <td class="memname">ObjectType* <a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::release </td>
  401. <td>(</td>
  402. <td class="paramname"></td><td>)</td>
  403. <td></td>
  404. </tr>
  405. </table>
  406. </td>
  407. <td class="mlabels-right">
  408. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
  409. </tr>
  410. </table>
  411. </div><div class="memdoc">
  412. <p>Removes the current object from this <a class="el" href="classScopedPointer.html">ScopedPointer</a> without deleting it. This will return the current object, and set the <a class="el" href="classScopedPointer.html">ScopedPointer</a> to a null pointer. </p>
  413. </div>
  414. </div>
  415. <a class="anchor" id="a362cd8d5a212df0ee08691b75a4ba3de"></a>
  416. <div class="memitem">
  417. <div class="memproto">
  418. <div class="memtemplate">
  419. template&lt;class ObjectType&gt; </div>
  420. <table class="mlabels">
  421. <tr>
  422. <td class="mlabels-left">
  423. <table class="memname">
  424. <tr>
  425. <td class="memname">void <a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt;::swapWith </td>
  426. <td>(</td>
  427. <td class="paramtype"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; ObjectType &gt; &amp;&#160;</td>
  428. <td class="paramname"><em>other</em></td><td>)</td>
  429. <td></td>
  430. </tr>
  431. </table>
  432. </td>
  433. <td class="mlabels-right">
  434. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td>
  435. </tr>
  436. </table>
  437. </div><div class="memdoc">
  438. <p>Swaps this object with that of another <a class="el" href="classScopedPointer.html">ScopedPointer</a>. The two objects simply exchange their pointers. </p>
  439. </div>
  440. </div>
  441. <hr/>The documentation for this class was generated from the following file:<ul>
  442. <li>distrho/extra/<a class="el" href="ScopedPointer_8hpp_source.html">ScopedPointer.hpp</a></li>
  443. </ul>
  444. </div><!-- contents -->
  445. <!-- start footer part -->
  446. <hr class="footer"/><address class="footer"><small>
  447. Generated on Tue Jun 7 2016 14:04:30 for DISTRHO Plugin Framework by &#160;<a href="http://www.doxygen.org/index.html">
  448. <img class="footer" src="doxygen.png" alt="doxygen"/>
  449. </a> 1.8.11
  450. </small></address>
  451. </body>
  452. </html>