class_c_ocr_example_image_view.html

基于symbian 平台 ocr 示例程序

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          <td class="md" nowrap valign="top">COcrExampleImageView::~COcrExampleImageView           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [virtual]</code></td>
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<p>
Destructor. 
<p>
Definition at line <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00100">100</a> of file <a class="el" href="_ocr_example_image_view_8cpp-source.html">OcrExampleImageView.cpp</a>.
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References <a class="el" href="_ocr_example_image_view_8h-source.html#l00274">iBitMap</a>, <a class="el" href="_ocr_example_image_view_8h-source.html#l00262">iContainer</a>, <a class="el" href="_ocr_example_image_container_8h-source.html#l00048">TScreenUpdateData::iCrosshair</a>, <a class="el" href="_ocr_example_image_view_8h-source.html#l00268">iData</a>, <a class="el" href="_ocr_example_image_view_8h-source.html#l00280">iEngine</a>, <a class="el" href="_ocr_example_image_view_8h-source.html#l00271">iFs</a>, <a class="el" href="_ocr_example_image_view_8h-source.html#l00277">iHandler</a>, and <a class="el" href="_ocr_example_image_container_8h-source.html#l00036">TScreenUpdateData::iScaledBitMap</a>.<div class="fragment"><pre class="fragment"><a name="l00101"></a>00101     {
<a name="l00102"></a>00102     <span class="keywordflow">if</span> (<a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>)
<a name="l00103"></a>00103         {
<a name="l00104"></a>00104         AppUi()-&gt;RemoveFromStack(<a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>);
<a name="l00105"></a>00105         <span class="keyword">delete</span> <a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>;
<a name="l00106"></a>00106         <a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a> = NULL;
<a name="l00107"></a>00107         }
<a name="l00108"></a>00108     <span class="keywordflow">if</span> (<a class="code" href="class_c_ocr_example_image_view.html#c22846eecaea51cfb97699603e4227b3">iEngine</a>)
<a name="l00109"></a>00109         {
<a name="l00110"></a>00110         OCREngineFactory::ReleaseOCREngine(<a class="code" href="class_c_ocr_example_image_view.html#c22846eecaea51cfb97699603e4227b3">iEngine</a>);
<a name="l00111"></a>00111         }
<a name="l00112"></a>00112     <span class="keyword">delete</span> <a class="code" href="class_c_ocr_example_image_view.html#56132cb68e64726ad0658571e44e9644">iHandler</a>;
<a name="l00113"></a>00113     <span class="keyword">delete</span> <a class="code" href="class_c_ocr_example_image_view.html#9eb6fa3188758350a81b83400892e787">iBitMap</a>;
<a name="l00114"></a>00114     <span class="keyword">delete</span> <a class="code" href="class_c_ocr_example_image_view.html#e72899bf23845a10c6b7559c2e896baa">iData</a>.<a class="code" href="class_t_screen_update_data.html#ea6eefa2a3b0315b12fbb5ab0532a849">iScaledBitMap</a>;
<a name="l00115"></a>00115     <span class="keyword">delete</span> <a class="code" href="class_c_ocr_example_image_view.html#e72899bf23845a10c6b7559c2e896baa">iData</a>.<a class="code" href="class_t_screen_update_data.html#3beeffcd97169ea8291ae2fffec377e8">iCrosshair</a>;
<a name="l00116"></a>00116     <a class="code" href="class_c_ocr_example_image_view.html#7b548225db36c87401243f1080bbd0e8">iFs</a>.Close();
<a name="l00117"></a>00117     }
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<a class="anchor" name="7cfaacbb7bdeefcb6bb02114fea43f70"></a><!-- doxytag: member="COcrExampleImageView::COcrExampleImageView" ref="7cfaacbb7bdeefcb6bb02114fea43f70" args="(TOcrExampleSettingsData &amp;aSettings)" --><p>
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          <td class="md" nowrap valign="top">COcrExampleImageView::COcrExampleImageView           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="class_t_ocr_example_settings_data.html">TOcrExampleSettingsData</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>aSettings</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [private]</code></td>
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<p>
C++ constructor. 
<p>
Definition at line <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00039">39</a> of file <a class="el" href="_ocr_example_image_view_8cpp-source.html">OcrExampleImageView.cpp</a>.
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Referenced by <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00057">NewL()</a>.<div class="fragment"><pre class="fragment"><a name="l00040"></a>00040     : <a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>(0)
<a name="l00041"></a>00041     , <a class="code" href="class_c_ocr_example_image_view.html#9eb6fa3188758350a81b83400892e787">iBitMap</a>(0)
<a name="l00042"></a>00042     , <a class="code" href="class_c_ocr_example_image_view.html#56132cb68e64726ad0658571e44e9644">iHandler</a>(0)
<a name="l00043"></a>00043     , <a class="code" href="class_c_ocr_example_image_view.html#c22846eecaea51cfb97699603e4227b3">iEngine</a>(0)
<a name="l00044"></a>00044     , <a class="code" href="class_c_ocr_example_image_view.html#59c39b7488b211d41b665791026c2f7f">iSettings</a>(aSettings)
<a name="l00045"></a>00045     , <a class="code" href="class_c_ocr_example_image_view.html#63052a309baec315239b427aa7647b76">iState</a>(<a class="code" href="class_c_ocr_example_image_view.html#8e0e9e3030ee220d737a3e9e733390ec553253ec36b6a826ce4923c5dcf95a12">EInit</a>)
<a name="l00046"></a>00046     , <a class="code" href="class_c_ocr_example_image_view.html#b7e54289c236dbd01581864006b4069f">iCrosshairEnabled</a>(EFalse)
<a name="l00047"></a>00047     , <a class="code" href="class_c_ocr_example_image_view.html#a7f5826c4c1c2cbee83739946a8a013b">iBackgroundTaskDone</a>(EFalse)
<a name="l00048"></a>00048     {
<a name="l00049"></a>00049     }
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="301a5b741381c9ed497a7d8f7f10f782"></a><!-- doxytag: member="COcrExampleImageView::NewL" ref="301a5b741381c9ed497a7d8f7f10f782" args="(TOcrExampleSettingsData &amp;aSettings)" --><p>
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          <td class="md" nowrap valign="top"><a class="el" href="class_c_ocr_example_image_view.html">COcrExampleImageView</a> * COcrExampleImageView::NewL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="class_t_ocr_example_settings_data.html">TOcrExampleSettingsData</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>aSettings</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [static]</code></td>
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<p>
Symbian two-phased constructor. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>aSettings</em>&nbsp;</td><td>the application level settings </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>A pointer to the created instance of COcrExampleImageView </dd></dl>

<p>
Definition at line <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00057">57</a> of file <a class="el" href="_ocr_example_image_view_8cpp-source.html">OcrExampleImageView.cpp</a>.
<p>
References <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00039">COcrExampleImageView()</a>.
<p>
Referenced by <a class="el" href="_ocr_example_appui_8cpp-source.html#l00035">COcrExampleAppUi::ConstructL()</a>.<div class="fragment"><pre class="fragment"><a name="l00058"></a>00058     {
<a name="l00059"></a>00059     <a class="code" href="class_c_ocr_example_image_view.html">COcrExampleImageView</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_ocr_example_image_view.html#7cfaacbb7bdeefcb6bb02114fea43f70">COcrExampleImageView</a>(aSettings);
<a name="l00060"></a>00060     <span class="keyword">self</span>-&gt;ConstructL();
<a name="l00061"></a>00061     <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00062"></a>00062     }
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<a class="anchor" name="04bbd31ba9f2f99b17c69030e5cf96cb"></a><!-- doxytag: member="COcrExampleImageView::HandleSizeChange" ref="04bbd31ba9f2f99b17c69030e5cf96cb" args="()" --><p>
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          <td class="md" nowrap valign="top">void COcrExampleImageView::HandleSizeChange           </td>
          <td class="md" valign="top">(&nbsp;</td>
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<p>
Handle screen size change. 
<p>
Definition at line <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00243">243</a> of file <a class="el" href="_ocr_example_image_view_8cpp-source.html">OcrExampleImageView.cpp</a>.
<p>
References <a class="el" href="_image_handler_8cpp-source.html#l00167">NOCRUtils::CImageHandler::FitToScreenL()</a>, <a class="el" href="_ocr_example_image_view_8h-source.html#l00274">iBitMap</a>, <a class="el" href="_ocr_example_image_view_8h-source.html#l00262">iContainer</a>, and <a class="el" href="_ocr_example_image_view_8h-source.html#l00277">iHandler</a>.
<p>
Referenced by <a class="el" href="_ocr_example_appui_8cpp-source.html#l00118">COcrExampleAppUi::HandleResourceChangeL()</a>.<div class="fragment"><pre class="fragment"><a name="l00244"></a>00244     {
<a name="l00245"></a>00245     <span class="keywordflow">if</span> (<a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>)
<a name="l00246"></a>00246         {
<a name="l00247"></a>00247         TRect mainPaneRect;
<a name="l00248"></a>00248         AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane, mainPaneRect);
<a name="l00249"></a>00249 
<a name="l00250"></a>00250         <span class="comment">// if image is loaded, re-scale it</span>
<a name="l00251"></a>00251         <span class="keywordflow">if</span> ((<a class="code" href="class_c_ocr_example_image_view.html#56132cb68e64726ad0658571e44e9644">iHandler</a>) &amp;&amp; (<a class="code" href="class_c_ocr_example_image_view.html#9eb6fa3188758350a81b83400892e787">iBitMap</a>))
<a name="l00252"></a>00252             {
<a name="l00253"></a>00253             TRAP_IGNORE(<a class="code" href="class_c_ocr_example_image_view.html#56132cb68e64726ad0658571e44e9644">iHandler</a>-&gt;<a class="code" href="class_n_o_c_r_utils_1_1_c_image_handler.html#5321ab83edffb2d7f3815c37aaaaad51">FitToScreenL</a>( mainPaneRect.Size() ));
<a name="l00254"></a>00254             }
<a name="l00255"></a>00255 
<a name="l00256"></a>00256         <a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>-&gt;SetRect(mainPaneRect);
<a name="l00257"></a>00257         }
<a name="l00258"></a>00258     }
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