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7<title>GetRequireBufferSize</title>
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10<h1><CODE>nn::font::PackedFont::GetRequireBufferSize</CODE> Member Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14static u32 GetRequireBufferSize(
15     const void * bfnt,
16     const char* glyphGroups,
17     f32 rateSheetCache
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>in</td>
33<th>bfnt</th>
34<td>Pointer to the first part of a binary resource (BFNT) loaded into memory.</td>
35        </tr>
36        <tr>
37<td>in</td>
38<th>glyphGroups</th>
39<td>String specifying the glyph group to load.</td>
40        </tr>
41        <tr>
42<td>in</td>
43<th>rateSheetCache</th>
44<td>Proportion of the maximum number of cached expanded sheets to the number of sheets.</td>
45        </tr> </table>
46    </div>
47<h2>Return Values</h2>
48<div class="section">Returns the buffer size required for constructing a font with the <a href="../../../nn/font/PackedFont/Construct.html"><CODE>Construct</CODE></a> or <a href="../../../nn/font/PackedFont/InitStreamingConstruct.html"><CODE>InitStreamingConstruct</CODE></a> functions. Returns 0 if the buffer size could not be calculated for some reason, such as when <SPAN class="argument">bfnt</SPAN> is an invalid resource. </div>
49<h2>Description</h2>
50    <div class="section">
51<p>Calculates the buffer size required to construct the font.</p>
52    </div>
53  <hr><p>CONFIDENTIAL</p></body>
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