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">TUid COcrExampleImageView::Id           </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> const<code> [private]</code></td>
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<p>
From CAknView returns Uid of View <dl compact><dt><b>Returns:</b></dt><dd>TUid uid of the view </dd></dl>

<p>
Definition at line <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00125">125</a> of file <a class="el" href="_ocr_example_image_view_8cpp-source.html">OcrExampleImageView.cpp</a>.<div class="fragment"><pre class="fragment"><a name="l00126"></a>00126     {
<a name="l00127"></a>00127     <span class="keywordflow">return</span> KUidImageView;
<a name="l00128"></a>00128     }
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<a class="anchor" name="a682d228622cea7790645ce10f591242"></a><!-- doxytag: member="COcrExampleImageView::HandleCommandL" ref="a682d228622cea7790645ce10f591242" args="(TInt aCommand)" --><p>
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          <td class="md" nowrap valign="top">void COcrExampleImageView::HandleCommandL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">TInt&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>aCommand</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [private]</code></td>
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From CAknView, handle commands <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>aCommand</em>&nbsp;</td><td>command to be handled </td></tr>
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<p>
Definition at line <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00136">136</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#l00461">AnalyzeImageLayoutL()</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#l00301">iCrosshairEnabled</a>, <a class="el" href="_ocr_example_image_view_8h-source.html#l00268">iData</a>, <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00345">OpenImageL()</a>, <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00553">RecognizeBlockL()</a>, <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00516">RecognizeImageL()</a>, and <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00613">RecognizeSpecialRegionL()</a>.<div class="fragment"><pre class="fragment"><a name="l00137"></a>00137     {
<a name="l00138"></a>00138     <span class="keywordflow">switch</span> (aCommand)
<a name="l00139"></a>00139         {
<a name="l00140"></a>00140         <span class="keywordflow">case</span> EOcrExampleCmdOpenFile:
<a name="l00141"></a>00141             <a class="code" href="class_c_ocr_example_image_view.html#2003512dd8696219849f58d8ae1e3c37">OpenImageL</a>();
<a name="l00142"></a>00142                 <span class="keywordflow">break</span>;
<a name="l00143"></a>00143 
<a name="l00144"></a>00144         <span class="keywordflow">case</span> EOcrExampleCmdAnalyzeImage:
<a name="l00145"></a>00145             <a class="code" href="class_c_ocr_example_image_view.html#deb0a73c2e8490684e18cea6caa9af23">AnalyzeImageLayoutL</a>();
<a name="l00146"></a>00146             <span class="keywordflow">break</span>;
<a name="l00147"></a>00147 
<a name="l00148"></a>00148         <span class="keywordflow">case</span> EOcrExampleCmdRecognizeImage:
<a name="l00149"></a>00149             <a class="code" href="class_c_ocr_example_image_view.html#72da075f30fbcf471e8af996ae74f499">RecognizeImageL</a>();
<a name="l00150"></a>00150             <span class="keywordflow">break</span>;
<a name="l00151"></a>00151 
<a name="l00152"></a>00152         <span class="keywordflow">case</span> EOcrExampleCmdRecognizeBlock:
<a name="l00153"></a>00153             <a class="code" href="class_c_ocr_example_image_view.html#a31d77d219f1dc7b797c06d4356fefd9">RecognizeBlockL</a>();
<a name="l00154"></a>00154             <span class="keywordflow">break</span>;
<a name="l00155"></a>00155 
<a name="l00156"></a>00156         <span class="keywordflow">case</span> EOcrExampleCmdRecognizeRegion:
<a name="l00157"></a>00157             <a class="code" href="class_c_ocr_example_image_view.html#fac0e83d0111d471ebf4deffd9f87bc2">RecognizeSpecialRegionL</a>();
<a name="l00158"></a>00158             <span class="keywordflow">break</span>;
<a name="l00159"></a>00159 
<a name="l00160"></a>00160         <span class="keywordflow">case</span> EOcrExampleCmdToggleCrosshair:
<a name="l00161"></a>00161             <span class="keywordflow">if</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="l00162"></a>00162                 {
<a name="l00163"></a>00163                 <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="l00164"></a>00164                 <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> = 0;
<a name="l00165"></a>00165                 }
<a name="l00166"></a>00166             <span class="keywordflow">else</span>
<a name="l00167"></a>00167                 {
<a name="l00168"></a>00168                 <span class="comment">// note! not leaving new. if it fails, it fails.</span>
<a name="l00169"></a>00169                 <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> = <span class="keyword">new</span> TRect;
<a name="l00170"></a>00170                 }
<a name="l00171"></a>00171             <a class="code" href="class_c_ocr_example_image_view.html#b7e54289c236dbd01581864006b4069f">iCrosshairEnabled</a> = (<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> != NULL);
<a name="l00172"></a>00172             <a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>-&gt;DrawNow();
<a name="l00173"></a>00173             <span class="keywordflow">break</span>;
<a name="l00174"></a>00174 
<a name="l00175"></a>00175         <span class="keywordflow">case</span> EOcrExampleCmdSettings:
<a name="l00176"></a>00176             AppUi()-&gt;ActivateLocalViewL(KUidSettingsView);
<a name="l00177"></a>00177             <span class="keywordflow">break</span>;
<a name="l00178"></a>00178 
<a name="l00179"></a>00179         <span class="keywordflow">default</span>:
<a name="l00180"></a>00180             AppUi()-&gt;HandleCommandL( aCommand );
<a name="l00181"></a>00181             <span class="keywordflow">break</span>;
<a name="l00182"></a>00182         }
<a name="l00183"></a>00183     }
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<a class="anchor" name="366b9bdc3feb98c2fa8b54b12561be7f"></a><!-- doxytag: member="COcrExampleImageView::DoActivateL" ref="366b9bdc3feb98c2fa8b54b12561be7f" args="(const TVwsViewId &amp;aPrevViewId, TUid aCustomMessageId, const TDesC8 &amp;aCustomMessage)" --><p>
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          <td class="md" nowrap valign="top">void COcrExampleImageView::DoActivateL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TVwsViewId &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aPrevViewId</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>TUid&nbsp;</td>
          <td class="mdname" nowrap> <em>aCustomMessageId</em>, </td>
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          <td class="md" nowrap>const TDesC8 &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aCustomMessage</em></td>
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          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [private]</code></td>
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From CAknView Activate this view <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>aPrevViewId</em>&nbsp;</td><td></td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aCustomMessageId</em>&nbsp;</td><td></td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aCustomMessage</em>&nbsp;</td><td></td></tr>
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Definition at line <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00191">191</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_8h-source.html#l00262">iContainer</a>.<div class="fragment"><pre class="fragment"><a name="l00194"></a>00194     {
<a name="l00195"></a>00195     ASSERT(<a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>);
<a name="l00196"></a>00196     <a class="code" href="class_c_ocr_example_image_view.html#6dc94c8cd7c107bc61701348814020e6">iContainer</a>-&gt;MakeVisible(ETrue);
<a name="l00197"></a>00197     }
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<a class="anchor" name="8dc3833be5508368363dce246e04a18f"></a><!-- doxytag: member="COcrExampleImageView::DoDeactivate" ref="8dc3833be5508368363dce246e04a18f" args="()" --><p>
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          <td class="md" nowrap valign="top">void COcrExampleImageView::DoDeactivate           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>