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<div class="header">
<div class="subTitle">
javax.imageio.stream
</div>
<h2 class="title" title="Class IIOByteBuffer">Class IIOByteBuffer</h2>
</div><div class="contentContainer">
<ul class="inheritance">
<li><a href="../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li>javax.imageio.stream.IIOByteBuffer</li>
</ul> </li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<hr/> <br/> <pre>public class <span class="typeNameLabel">IIOByteBuffer</span>
extends <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></pre>
<div class="block">
<span>表示对字节数组的可变引用以及该数组中的偏移量和长度的类。</span>
<span><code>IIOByteBuffer</code>用于通过<code>ImageInputStream</code>至字节序列提供给呼叫者，可能具有比使用传统的打印量少<code>read</code>方法称取用户提供的字节数组。</span>
<p> <span>由<code>IIOByteBuffer</code>的字节数组通常是属于<code>IIOByteBuffer</code>实现的内部数据<code>ImageReader</code>一部分;</span> <span>其内容应视为只读，不得修改。</span> </p>
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<div class="summary">
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<li class="blockList"><a name="constructor.summary">
<!-- --> </a> <h3>构造方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/imageio/stream/IIOByteBuffer.html#IIOByteBuffer-byte:A-int-int-">IIOByteBuffer</a></span>(byte[] data, int offset, int length)</code>
<div class="block">
构造
<code>IIOByteBuffer</code>给定字节数组，偏移量和长度的IIOByteBuffer。
</div> </td>
</tr>
</tbody>
</table> </li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
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<li class="blockList"><a name="method.summary">
<!-- --> </a> <h3>方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/imageio/stream/IIOByteBuffer.html#getData--">getData</a></span>()</code>
<div class="block">
返回对字节数组的引用。
</div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/imageio/stream/IIOByteBuffer.html#getLength--">getLength</a></span>()</code>
<div class="block">
返回由
<code>getData</code>返回的字节数组内感兴趣的数据的长度。
</div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/imageio/stream/IIOByteBuffer.html#getOffset--">getOffset</a></span>()</code>
<div class="block">
返回由
<code>getData</code>的数据开始的
<code>getData</code>返回的字节数组内的偏移量。
</div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/imageio/stream/IIOByteBuffer.html#setData-byte:A-">setData</a></span>(byte[] data)</code>
<div class="block">
更新将通过对
<code>getData</code>方法的后续调用返回的数组引用。
</div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/imageio/stream/IIOByteBuffer.html#setLength-int-">setLength</a></span>(int length)</code>
<div class="block">
更新后续调用
<code>getLength</code>方法返回的值。
</div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/imageio/stream/IIOByteBuffer.html#setOffset-int-">setOffset</a></span>(int offset)</code>
<div class="block">
更新后续调用
<code>getOffset</code>方法返回的值。
</div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- --> </a> <h3>Methods inherited from class java.lang.<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></h3> <code><a href="../../../java/lang/Object.html#clone--">clone</a>, <a href="../../../java/lang/Object.html#equals-java.lang.Object-">equals</a>, <a href="../../../java/lang/Object.html#finalize--">finalize</a>, <a href="../../../java/lang/Object.html#getClass--">getClass</a>, <a href="../../../java/lang/Object.html#hashCode--">hashCode</a>, <a href="../../../java/lang/Object.html#notify--">notify</a>, <a href="../../../java/lang/Object.html#notifyAll--">notifyAll</a>, <a href="../../../java/lang/Object.html#toString--">toString</a>, <a href="../../../java/lang/Object.html#wait--">wait</a>, <a href="../../../java/lang/Object.html#wait-long-">wait</a>, <a href="../../../java/lang/Object.html#wait-long-int-">wait</a></code></li>
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<div class="details">
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<li class="blockList"><a name="constructor.detail">
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<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>IIOByteBuffer</h4> <pre>public IIOByteBuffer(byte[] data,
int offset,
int length)</pre>
<div class="block">
构造
<code>IIOByteBuffer</code>给定字节数组，偏移量和长度的IIOByteBuffer。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>data</code> - 一个字节数组。
</dd>
<dd>
<code>offset</code> - 数组中的int偏移量。
</dd>
<dd>
<code>length</code> - 指定字节数组内感兴趣数据的长度的int（以字节为单位）。
</dd>
</dl> </li>
</ul> </li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
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<li class="blockList"> <h4>getData</h4> <pre>public byte[] getData()</pre>
<div class="block">
<span>返回对字节数组的引用。</span>
<span>返回的值应该被视为只读，只能使用由<code>getOffset</code>和<code>getLength</code>的值指定的部分。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个字节数组引用。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#getOffset--"><code>getOffset()</code></a> ，
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#getLength--"><code>getLength()</code></a> ，
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#setData-byte:A-"><code>setData(byte[])</code></a>
</dd>
</dl> </li>
</ul> <a name="setData-byte:A-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setData</h4> <pre>public void setData(byte[] data)</pre>
<div class="block">
更新将通过对
<code>getData</code>方法的后续调用返回的数组引用。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>data</code> - 包含新数据值的字节数组引用。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#getData--"><code>getData()</code></a>
</dd>
</dl> </li>
</ul> <a name="getOffset--">
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<ul class="blockList">
<li class="blockList"> <h4>getOffset</h4> <pre>public int getOffset()</pre>
<div class="block">
返回由
<code>getData</code>的数据开始的
<code>getData</code>返回的字节数组中的偏移量。
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个int偏移量。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#getData--"><code>getData()</code></a> ，
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#getLength--"><code>getLength()</code></a> ，
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#setOffset-int-"><code>setOffset(int)</code></a>
</dd>
</dl> </li>
</ul> <a name="setOffset-int-">
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<ul class="blockList">
<li class="blockList"> <h4>setOffset</h4> <pre>public void setOffset(int offset)</pre>
<div class="block">
更新后续调用
<code>getOffset</code>方法返回的值。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>offset</code> - 一个包含新的偏移值的int。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#getOffset--"><code>getOffset()</code></a>
</dd>
</dl> </li>
</ul> <a name="getLength--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getLength</h4> <pre>public int getLength()</pre>
<div class="block">
返回由
<code>getData</code>返回的字节数组内的感兴趣的数据的长度。
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个int长度。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#getData--"><code>getData()</code></a> ，
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#getOffset--"><code>getOffset()</code></a> ，
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#setLength-int-"><code>setLength(int)</code></a>
</dd>
</dl> </li>
</ul> <a name="setLength-int-">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>setLength</h4> <pre>public void setLength(int length)</pre>
<div class="block">
更新后续调用
<code>getLength</code>方法返回的值。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>length</code> - 一个包含新的长度值的int。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/imageio/stream/IIOByteBuffer.html#getLength--"><code>getLength()</code></a>
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>
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