class_c_ocr_example_image_container.html

基于symbian 平台 ocr 示例程序

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NewL. Two-phased constructor. Construct a COcrExampleImageContainer using two phase construction, and return a pointer to the created object <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>aRect</em>&nbsp;</td><td>the main area for the container to draw </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aSettings</em>&nbsp;</td><td>the application level settings </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aData</em>&nbsp;</td><td>collected data needed for drawing </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>A pointer to the created instance of COcrExampleImageContainer </dd></dl>

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Definition at line <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00035">35</a> of file <a class="el" href="_ocr_example_image_container_8cpp-source.html">OcrExampleImageContainer.cpp</a>.
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References <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00051">NewLC()</a>.
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Referenced by <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00070">COcrExampleImageView::ConstructL()</a>.<div class="fragment"><pre class="fragment"><a name="l00039"></a>00039     {
<a name="l00040"></a>00040     <a class="code" href="class_c_ocr_example_image_container.html">COcrExampleImageContainer</a>* <span class="keyword">self</span> =
<a name="l00041"></a>00041         <a class="code" href="class_c_ocr_example_image_container.html#cea633536abf227b67f8c89920fd6d15">COcrExampleImageContainer::NewLC</a>( aRect, aSettings, aData );
<a name="l00042"></a>00042     CleanupStack::Pop( <span class="keyword">self</span> );
<a name="l00043"></a>00043     <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00044"></a>00044     }
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<a class="anchor" name="cea633536abf227b67f8c89920fd6d15"></a><!-- doxytag: member="COcrExampleImageContainer::NewLC" ref="cea633536abf227b67f8c89920fd6d15" args="(const TRect &amp;aRect, TOcrExampleSettingsData &amp;aSettings, TScreenUpdateData &amp;aData)" --><p>
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          <td class="md" nowrap valign="top"><a class="el" href="class_c_ocr_example_image_container.html">COcrExampleImageContainer</a> * COcrExampleImageContainer::NewLC           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TRect &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aRect</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="class_t_ocr_example_settings_data.html">TOcrExampleSettingsData</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aSettings</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="class_t_screen_update_data.html">TScreenUpdateData</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aData</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [static]</code></td>
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NewLC. Two-phased constructor. Construct a COcrExampleImageContainer using two phase construction, and return a pointer to the created object <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>aRect</em>&nbsp;</td><td>the main area for the container to draw </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aSettings</em>&nbsp;</td><td>the application level settings </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aData</em>&nbsp;</td><td>collected data needed for drawing </td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>A pointer to the created instance of COcrExampleImageContainer </dd></dl>

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Definition at line <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00051">51</a> of file <a class="el" href="_ocr_example_image_container_8cpp-source.html">OcrExampleImageContainer.cpp</a>.
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References <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00022">COcrExampleImageContainer()</a>.
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Referenced by <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00035">NewL()</a>.<div class="fragment"><pre class="fragment"><a name="l00055"></a>00055     {
<a name="l00056"></a>00056     <a class="code" href="class_c_ocr_example_image_container.html">COcrExampleImageContainer</a>* <span class="keyword">self</span> =
<a name="l00057"></a>00057         <span class="keyword">new</span> ( ELeave ) <a class="code" href="class_c_ocr_example_image_container.html#e900b1958a606b7aa1c1289f6dd4ae3e">COcrExampleImageContainer</a>(aSettings, aData);
<a name="l00058"></a>00058     CleanupStack::PushL( <span class="keyword">self</span> );
<a name="l00059"></a>00059     <span class="keyword">self</span>-&gt;ConstructL( aRect );
<a name="l00060"></a>00060     <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00061"></a>00061     }
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<a class="anchor" name="bf31593b337cbf3fb671382cf773281c"></a><!-- doxytag: member="COcrExampleImageContainer::ConstructL" ref="bf31593b337cbf3fb671382cf773281c" args="(const TRect &amp;aRect)" --><p>
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          <td class="md" nowrap valign="top">void COcrExampleImageContainer::ConstructL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TRect &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>aRect</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [private]</code></td>
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Symbian default constructor. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>aRect</em>&nbsp;</td><td>Frame rectangle for container. </td></tr>
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Definition at line <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00068">68</a> of file <a class="el" href="_ocr_example_image_container_8cpp-source.html">OcrExampleImageContainer.cpp</a>.<div class="fragment"><pre class="fragment"><a name="l00069"></a>00069     {
<a name="l00070"></a>00070     CreateWindowL();
<a name="l00071"></a>00071     <span class="comment">// Set the windows size</span>
<a name="l00072"></a>00072     SetRect( aRect );
<a name="l00073"></a>00073 
<a name="l00074"></a>00074     <span class="comment">// note, parent view will activate this container</span>
<a name="l00075"></a>00075     }
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<a class="anchor" name="6775621e6d3ce05d6685555c939c7706"></a><!-- doxytag: member="COcrExampleImageContainer::OfferKeyEventL" ref="6775621e6d3ce05d6685555c939c7706" args="(const TKeyEvent &amp;aKeyEvent, TEventCode aType)" --><p>
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          <td class="md" nowrap valign="top">TKeyResponse COcrExampleImageContainer::OfferKeyEventL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TKeyEvent &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aKeyEvent</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>TEventCode&nbsp;</td>
          <td class="mdname" nowrap> <em>aType</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [private]</code></td>
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From CCoeControl. container uses key-events to move crosshair (if activated) 
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Definition at line <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00092">92</a> of file <a class="el" href="_ocr_example_image_container_8cpp-source.html">OcrExampleImageContainer.cpp</a>.
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References <a class="el" href="_ocr_example_image_container_8h-source.html#l00048">TScreenUpdateData::iCrosshair</a>, and <a class="el" href="_ocr_example_image_container_8h-source.html#l00118">iScrData</a>.<div class="fragment"><pre class="fragment"><a name="l00094"></a>00094     {
<a name="l00095"></a>00095     <span class="keyword">const</span> TInt stepInPixels = 10;
<a name="l00096"></a>00096     TKeyResponse resp = EKeyWasNotConsumed;
<a name="l00097"></a>00097 
<a name="l00098"></a>00098     <span class="comment">// key-events meaningful only with crosshair</span>
<a name="l00099"></a>00099     <span class="keywordflow">if</span> ((<a class="code" href="class_c_ocr_example_image_container.html#b5e691f6287b12e15baecf2d973f48d2">iScrData</a>.<a class="code" href="class_t_screen_update_data.html#3beeffcd97169ea8291ae2fffec377e8">iCrosshair</a>) &amp;&amp; (aType == EEventKey))
<a name="l00100"></a>00100         {