class_c_ocr_example_image_container.html

基于symbian 平台 ocr 示例程序

<a name="l00101"></a>00101         <span class="keywordflow">switch</span>( aEvent.iScanCode )
<a name="l00102"></a>00102             {
<a name="l00103"></a>00103             <span class="keywordflow">case</span> EStdKeyRightArrow:
<a name="l00104"></a>00104                 <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>-&gt;Move( stepInPixels, 0 );
<a name="l00105"></a>00105                 DrawDeferred();
<a name="l00106"></a>00106                 <span class="keywordflow">return</span> EKeyWasConsumed;
<a name="l00107"></a>00107 
<a name="l00108"></a>00108             <span class="keywordflow">case</span> EStdKeyLeftArrow:
<a name="l00109"></a>00109                 <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>-&gt;Move( -stepInPixels, 0 );
<a name="l00110"></a>00110                 DrawDeferred();
<a name="l00111"></a>00111                 <span class="keywordflow">return</span> EKeyWasConsumed;
<a name="l00112"></a>00112 
<a name="l00113"></a>00113             <span class="keywordflow">case</span> EStdKeyDownArrow:
<a name="l00114"></a>00114                 <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>-&gt;Move( 0, stepInPixels );
<a name="l00115"></a>00115                 DrawDeferred();
<a name="l00116"></a>00116                 <span class="keywordflow">return</span> EKeyWasConsumed;
<a name="l00117"></a>00117 
<a name="l00118"></a>00118             <span class="keywordflow">case</span> EStdKeyUpArrow:
<a name="l00119"></a>00119                 <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>-&gt;Move( 0, -stepInPixels );
<a name="l00120"></a>00120                 DrawDeferred();
<a name="l00121"></a>00121                 <span class="keywordflow">return</span> EKeyWasConsumed;
<a name="l00122"></a>00122             }
<a name="l00123"></a>00123         }
<a name="l00124"></a>00124     <span class="keywordflow">return</span> resp;
<a name="l00125"></a>00125     }
</pre></div>
<p>
    </td>
  </tr>
</table>
<a class="anchor" name="67f946ca7848ec78de4961c5bcefdb72"></a><!-- doxytag: member="COcrExampleImageContainer::Draw" ref="67f946ca7848ec78de4961c5bcefdb72" args="(const TRect &amp;aRect) const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">void COcrExampleImageContainer::Draw           </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> const<code> [private]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
From CCoeControl 
<p>
Definition at line <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00132">132</a> of file <a class="el" href="_ocr_example_image_container_8cpp-source.html">OcrExampleImageContainer.cpp</a>.
<p>
References <a class="el" href="_ocr_example_settings_data_8cpp-source.html#l00052">TOcrExampleSettingsData::GetCrosshairSize()</a>, <a class="el" href="_ocr_example_settings_data_8cpp-source.html#l00042">TOcrExampleSettingsData::GetHighlightColor()</a>, <a class="el" href="_ocr_example_image_container_8h-source.html#l00042">TScreenUpdateData::iBlockCount</a>, <a class="el" href="_ocr_example_image_container_8h-source.html#l00039">TScreenUpdateData::iBlockInfo</a>, <a class="el" href="_ocr_example_image_container_8h-source.html#l00048">TScreenUpdateData::iCrosshair</a>, <a class="el" href="_ocr_example_image_container_8h-source.html#l00045">TScreenUpdateData::iRectScaler</a>, <a class="el" href="_ocr_example_image_container_8h-source.html#l00036">TScreenUpdateData::iScaledBitMap</a>, <a class="el" href="_ocr_example_image_container_8h-source.html#l00118">iScrData</a>, <a class="el" href="_ocr_example_image_container_8h-source.html#l00115">iSettings</a>, and <a class="el" href="_rect_scaler_8cpp-source.html#l00049">NOCRUtils::TRectScaler::ScaleDown()</a>.<div class="fragment"><pre class="fragment"><a name="l00133"></a>00133     {
<a name="l00134"></a>00134     CWindowGc&amp; gc = SystemGc();
<a name="l00135"></a>00135 
<a name="l00136"></a>00136     <span class="comment">// draw empty background</span>
<a name="l00137"></a>00137     gc.SetPenStyle( CGraphicsContext::ENullPen );
<a name="l00138"></a>00138     gc.SetBrushColor( KRgbWhite );
<a name="l00139"></a>00139     gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
<a name="l00140"></a>00140     gc.DrawRect( aRect );
<a name="l00141"></a>00141 
<a name="l00142"></a>00142     <span class="comment">// if image has been loaded, draw it also</span>
<a name="l00143"></a>00143     <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#ea6eefa2a3b0315b12fbb5ab0532a849">iScaledBitMap</a>-&gt;Handle())
<a name="l00144"></a>00144         {
<a name="l00145"></a>00145         gc.BitBlt(TPoint(0,0), <a class="code" href="class_c_ocr_example_image_container.html#b5e691f6287b12e15baecf2d973f48d2">iScrData</a>.<a class="code" href="class_t_screen_update_data.html#ea6eefa2a3b0315b12fbb5ab0532a849">iScaledBitMap</a>);
<a name="l00146"></a>00146 
<a name="l00147"></a>00147         gc.SetPenStyle( CGraphicsContext::EDashedPen );
<a name="l00148"></a>00148         gc.SetPenColor( <a class="code" href="class_c_ocr_example_image_container.html#59c39b7488b211d41b665791026c2f7f">iSettings</a>.<a class="code" href="class_t_ocr_example_settings_data.html#d02d1b08b8190ddcf1d9b65cdbc35ce8">GetHighlightColor</a>() );
<a name="l00149"></a>00149         gc.SetBrushStyle( CGraphicsContext::ENullBrush );
<a name="l00150"></a>00150 
<a name="l00151"></a>00151         <span class="comment">// if crosshair activated, draw it</span>
<a name="l00152"></a>00152         <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>)
<a name="l00153"></a>00153             {
<a name="l00154"></a>00154             TSize size = <a class="code" href="class_c_ocr_example_image_container.html#59c39b7488b211d41b665791026c2f7f">iSettings</a>.<a class="code" href="class_t_ocr_example_settings_data.html#eff7f252a7054320c6351387ebfe4a11">GetCrosshairSize</a>(<a class="code" href="class_c_ocr_example_image_container.html#b5e691f6287b12e15baecf2d973f48d2">iScrData</a>.<a class="code" href="class_t_screen_update_data.html#ea6eefa2a3b0315b12fbb5ab0532a849">iScaledBitMap</a>-&gt;SizeInPixels());
<a name="l00155"></a>00155             <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>-&gt;SetSize(size);
<a name="l00156"></a>00156             gc.DrawRect( *(<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>) );
<a name="l00157"></a>00157             }
<a name="l00158"></a>00158         <span class="keywordflow">else</span> <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#95ab72856a165c79d387b1fe1060f649">iBlockInfo</a>)
<a name="l00159"></a>00159             {
<a name="l00160"></a>00160             <span class="comment">// if image layout has been analyzed, hightlight text-areas</span>
<a name="l00161"></a>00161             <span class="keywordflow">for</span> ( TInt i=0; i&lt;<a class="code" href="class_c_ocr_example_image_container.html#b5e691f6287b12e15baecf2d973f48d2">iScrData</a>.<a class="code" href="class_t_screen_update_data.html#4d5bc772261d36c752b058c133d81978">iBlockCount</a>; ++i)
<a name="l00162"></a>00162                 {
<a name="l00163"></a>00163                 <span class="comment">// Note! blockInfo contains rects from the original image.</span>
<a name="l00164"></a>00164                 <span class="comment">// adjust sizes and positions to fit the resized image on the</span>
<a name="l00165"></a>00165                 <span class="comment">// screen.</span>
<a name="l00166"></a>00166                 gc.DrawRect( <a class="code" href="class_c_ocr_example_image_container.html#b5e691f6287b12e15baecf2d973f48d2">iScrData</a>.<a class="code" href="class_t_screen_update_data.html#d8df217ecaec20976c2b240f971a5034">iRectScaler</a>.<a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#00f1dff0cfd2745ed8367c2cf0f44b9d">ScaleDown</a>(<a class="code" href="class_c_ocr_example_image_container.html#b5e691f6287b12e15baecf2d973f48d2">iScrData</a>.<a class="code" href="class_t_screen_update_data.html#95ab72856a165c79d387b1fe1060f649">iBlockInfo</a>[i].iRect) );
<a name="l00167"></a>00167                 }
<a name="l00168"></a>00168             }
<a name="l00169"></a>00169         }
<a name="l00170"></a>00170     }
</pre></div>
<p>
    </td>
  </tr>
</table>
<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="59c39b7488b211d41b665791026c2f7f"></a><!-- doxytag: member="COcrExampleImageContainer::iSettings" ref="59c39b7488b211d41b665791026c2f7f" args="" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"><a class="el" href="class_t_ocr_example_settings_data.html">TOcrExampleSettingsData</a>&amp; <a class="el" href="class_c_ocr_example_image_container.html#59c39b7488b211d41b665791026c2f7f">COcrExampleImageContainer::iSettings</a><code> [private]</code>          </td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
settings 
<p>
Definition at line <a class="el" href="_ocr_example_image_container_8h-source.html#l00115">115</a> of file <a class="el" href="_ocr_example_image_container_8h-source.html">OcrExampleImageContainer.h</a>.
<p>
Referenced by <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00132">Draw()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="b5e691f6287b12e15baecf2d973f48d2"></a><!-- doxytag: member="COcrExampleImageContainer::iScrData" ref="b5e691f6287b12e15baecf2d973f48d2" args="" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"><a class="el" href="class_t_screen_update_data.html">TScreenUpdateData</a>&amp; <a class="el" href="class_c_ocr_example_image_container.html#b5e691f6287b12e15baecf2d973f48d2">COcrExampleImageContainer::iScrData</a><code> [private]</code>          </td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
screen data 
<p>
Definition at line <a class="el" href="_ocr_example_image_container_8h-source.html#l00118">118</a> of file <a class="el" href="_ocr_example_image_container_8h-source.html">OcrExampleImageContainer.h</a>.
<p>
Referenced by <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00132">Draw()</a>, and <a class="el" href="_ocr_example_image_container_8cpp-source.html#l00092">OfferKeyEventL()</a>.    </td>
  </tr>
</table>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="_ocr_example_image_container_8h-source.html">OcrExampleImageContainer.h</a><li><a class="el" href="_ocr_example_image_container_8cpp-source.html">OcrExampleImageContainer.cpp</a></ul>
<hr>

<table x-use-null-cells
		style="x-cell-content-align: top;
				width: 100%;
				border-spacing: 0px;
				border-spacing: 0px;"
		cellspacing=0
		width=100%>
  <col style="width: 50%;">
  <col style="width: 50%;">

  <tr style="x-cell-content-align: top;"
	valign=top>
  <td style="width: 50%;
			padding-right: 10px;
			padding-left: 10px;
			border-right-style: None;
			border-left-style: None;
			border-top-style: None;
			border-bottom-style: None;"
	width=50%>
  <p style="font-family: Arial;"><small style="font-size: smaller;">