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7    <title>CalcRect</title>
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10    <h1><CODE>nw::font::TagProcessorBase::CalcRect</CODE> Member Function</h1>
11    <h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14virtual <a href="../../../nw/font/TagProcessorBase/Operation.html">Operation</a> CalcRect(
15     <a href="../../../nw/ut/Rect/Overview.html">ut::Rect</a> * pRect,
16     <span>u16</span> code,
17     <a href="../../../nw/font/PrintContext/Overview.html">PrintContext</a>&lt; CharType &gt; * pContext
18);
19</pre>
20    </div>
21    <h2>Arguments</h2>
22    <div class="section">
23      <table class="arguments">
24        <thead>
25          <tr>
26            <td width="15" />
27            <th>Name</th>
28            <td>Description</td>
29          </tr>
30        </thead>
31        <tr>
32          <td>out</td>
33          <th>pRect</th>
34          <td>Pointer to the rectangle structure that stores the range of influence of tags.</td>
35        </tr>
36        <tr>
37          <td>in</td>
38          <th>code</th>
39          <td>Control character code representing the starting point of tag processing. (0x0000 ～ 0x001F)</td>
40        </tr>
41        <tr>
42          <td>inout</td>
43          <th>pContext</th>
44          <td>Pointer to the drawing status information of a character string.</td>
45        </tr> </table>
46    </div>
47    <h2>Return Values</h2>
48    <div class="section">Returns the processes that should be carried out by the caller (TextWriter). For the same tag, the value returned here should be the same as that returned by the <CODE><a href="../../../nw/font/TagProcessorBase/Process.html">Process</a></CODE>  function. </div>
49    <h2>Description</h2>
50    <div class="section">
51      <p>Calculates the range of influence of tags.</p><p>TextWriter calculates the drawing rectangle for kerning before drawing the character string. If a tag is encountered at this time, <CODE>TagProcessor</CODE> is queried about how far the effect of that tag extends.<br />  <CODE>TagProcessor </CODE>calculates the range of influence of a tag using the parameter stored in <span class="argument">context</span> and stores the extent of influence in <span class="argument">pRect</span>. </p><p>The normal  <CODE>CalcRect</CODE> function is basically the <CODE>nw::font::TagProcessor::Process</CODE> function without the process of actually drawing the character string.</p></div>
52    <h2>Revision History</h2>
53    <div class="section">
54      <dl class="history">
55        <dt>2009/11/09</dt>
56        <dd>Initial version.<br />
57        </dd>
58      </dl>
59    </div>
60  <hr><p>CONFIDENTIAL</p></body>
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