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7<title>SetContrast</title>
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10<h1><CODE><a href="../../../nn/Overview.html">nn</a>::<a href="../../../nn/camera/Overview.html">camera</a>::<a href="../../../nn/camera/CTR/Overview.html">CTR</a>::SetContrast</CODE> Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14<a href="../../../nn/Result/Overview.html">nn::Result</a> SetContrast(
15     <a href="../../../nn/camera/CTR/CameraSelect.html">CameraSelect</a> select,
16     <a href="../../../nn/camera/CTR/Contrast.html">Contrast</a> contrast
17);
18</pre>
19    </div>
20<h2>Parameters</h2>
21    <div class="section">
22      <table class="arguments">
23        <thead>
24          <tr>
25            <td width="15" />
26<th>Name</th>
27<td>Description</td>
28          </tr>
29        </thead>
30        <tr>
31<td>in</td>
32<th>select</th>
33<td>Specifies which camera to change settings for.</td>
34        </tr>
35        <tr>
36<td>in</td>
37<th>contrast</th>
38<td>Specifies the contrast (gamma curve).</td>
39        </tr> </table>
40    </div>
41<h2>Return Values</h2>
42<div class="section">Returns the function's execution result. Returns one of the <a href="../../../nn/Result/Overview.html"><CODE>Result</CODE></A> values listed below. <br />
43      <table class="arguments">
44        <thead>
45          <tr>
46<th>Value</th>
47<td>Description</td>
48          </tr>
49        </thead>
50        <tr>
51<th><CODE>Result::IsSuccess</CODE></th>
52<td>Process was successful.</td>
53        </tr>
54        <tr>
55<th><CODE>ResultIsSleeping</CODE></th>
56<td>This function is unusable because the system cover is closed.</td>
57        </tr>
58        <tr>
59<th><CODE>ResultFatalError</CODE></th>
60<td>There may be something physically wrong with the camera.</td>
61        </tr>
62      </table> </div>
63<h2>Description</h2>
64    <div class="section">
65<p>Sets the image contrast (gamma curve).</p><P>
66The default values for each camera are shown below.
67</P><table><tr><th>Inner Camera</th><th>Right Outer Camera</th><th>Left Outer Camera</th></tr><tr><td>CONTRAST_LOW</td><td>CONTRAST_NORMAL</td><td>CONTRAST_NORMAL</td></tr></table><P>If synchronization with the stereo camera's brightness was enabled via the <CODE><a href="../../../nn/camera/CTR/SetBrightnessSynchronization.html">nn::camera::CTR::SetBrightnessSynchronization</a></CODE> function, it will not be possible to set <CODE>CONTRAST_PATTERN_10</CODE> to the left external camera (<CODE>SELECT_OUT2</CODE>). Function execution will fail.
68</P><p><B>Note:</B> This function may block for an extended period if a camera is restarting.</p></div>
69<h2>Revision History</h2>
70    <div class="section">
71      <dl class="history">
72        <dt>2011/03/22</dt>
73<dd>Added information about failure conditions when brightness synchronization is enabled.<br />
74        </dd>
75        <dt>2010/07/17</dt>
76<dd>Added explanation about operation during restart.
77        </dd>
78        <dt>2010/04/14</dt>
79<dd>Added a description of the default values.<br />
80        </dd>
81        <dt>2010/02/02</dt>
82<dd>Initial version.<br />
83        </dd>
84      </dl>
85    </div>
86  <hr><p>CONFIDENTIAL</p></body>
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88