bytebuffer.html

IText PDF开发工具说明文档,使用很方便。

<PRE>
public <A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A> <B>append</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;str)</PRE>
<DL>
<DD>Appends a <CODE>String</CODE> to the buffer. The <CODE>String</CODE> is
 converted according to the encoding ISO-8859-1.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>str</CODE> - the <CODE>String</CODE> to be appended
<DT><B>Returns:</B><DD>a reference to this <CODE>ByteBuffer</CODE> object</DL>
</DD>
</DL>
<HR>

<A NAME="append(char)"><!-- --></A><H3>
append</H3>
<PRE>
public <A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A> <B>append</B>(char&nbsp;c)</PRE>
<DL>
<DD>Appends a <CODE>char</CODE> to the buffer. The <CODE>char</CODE> is
 converted according to the encoding ISO-8859-1.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - the <CODE>char</CODE> to be appended
<DT><B>Returns:</B><DD>a reference to this <CODE>ByteBuffer</CODE> object</DL>
</DD>
</DL>
<HR>

<A NAME="append(com.lowagie.text.pdf.ByteBuffer)"><!-- --></A><H3>
append</H3>
<PRE>
public <A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A> <B>append</B>(<A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A>&nbsp;buf)</PRE>
<DL>
<DD>Appends another <CODE>ByteBuffer</CODE> to this buffer.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>buf</CODE> - the <CODE>ByteBuffer</CODE> to be appended
<DT><B>Returns:</B><DD>a reference to this <CODE>ByteBuffer</CODE> object</DL>
</DD>
</DL>
<HR>

<A NAME="append(int)"><!-- --></A><H3>
append</H3>
<PRE>
public <A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A> <B>append</B>(int&nbsp;i)</PRE>
<DL>
<DD>Appends the string representation of an <CODE>int</CODE>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>i</CODE> - the <CODE>int</CODE> to be appended
<DT><B>Returns:</B><DD>a reference to this <CODE>ByteBuffer</CODE> object</DL>
</DD>
</DL>
<HR>

<A NAME="append(byte)"><!-- --></A><H3>
append</H3>
<PRE>
public <A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A> <B>append</B>(byte&nbsp;b)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="appendHex(byte)"><!-- --></A><H3>
appendHex</H3>
<PRE>
public <A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A> <B>appendHex</B>(byte&nbsp;b)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="append(float)"><!-- --></A><H3>
append</H3>
<PRE>
public <A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A> <B>append</B>(float&nbsp;i)</PRE>
<DL>
<DD>Appends a string representation of a <CODE>float</CODE> according
 to the Pdf conventions.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>i</CODE> - the <CODE>float</CODE> to be appended
<DT><B>Returns:</B><DD>a reference to this <CODE>ByteBuffer</CODE> object</DL>
</DD>
</DL>
<HR>

<A NAME="append(double)"><!-- --></A><H3>
append</H3>
<PRE>
public <A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A> <B>append</B>(double&nbsp;d)</PRE>
<DL>
<DD>Appends a string representation of a <CODE>double</CODE> according
 to the Pdf conventions.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>d</CODE> - the <CODE>double</CODE> to be appended
<DT><B>Returns:</B><DD>a reference to this <CODE>ByteBuffer</CODE> object</DL>
</DD>
</DL>
<HR>

<A NAME="formatDouble(double)"><!-- --></A><H3>
formatDouble</H3>
<PRE>
public static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>formatDouble</B>(double&nbsp;d)</PRE>
<DL>
<DD>Outputs a <CODE>double</CODE> into a format suitable for the PDF.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>d</CODE> - a double
<DT><B>Returns:</B><DD>the <CODE>String</CODE> representation of the <CODE>double</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="formatDouble(double, com.lowagie.text.pdf.ByteBuffer)"><!-- --></A><H3>
formatDouble</H3>
<PRE>
public static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>formatDouble</B>(double&nbsp;d,
                                  <A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A>&nbsp;buf)</PRE>
<DL>
<DD>Outputs a <CODE>double</CODE> into a format suitable for the PDF.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>d</CODE> - a double<DD><CODE>buf</CODE> - a ByteBuffer
<DT><B>Returns:</B><DD>the <CODE>String</CODE> representation of the <CODE>double</CODE> if
 <CODE>buf</CODE> is <CODE>null</CODE>. If <CODE>buf</CODE> is <B>not</B> <CODE>null</CODE>,
 then the double is appended directly to the buffer and this methods returns <CODE>null</CODE>.</DL>
</DD>
</DL>
<HR>

<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public void <B>reset</B>()</PRE>
<DL>
<DD>Sets the size to zero.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="toByteArray()"><!-- --></A><H3>
toByteArray</H3>
<PRE>
public byte[] <B>toByteArray</B>()</PRE>
<DL>
<DD>Creates a newly allocated byte array. Its size is the current
 size of this output stream and the valid contents of the buffer
 have been copied into it.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the current contents of this output stream, as a byte array.</DL>
</DD>
</DL>
<HR>

<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
public int <B>size</B>()</PRE>
<DL>
<DD>Returns the current size of the buffer.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the value of the <code>count</code> field, which is the number of valid bytes in this byte buffer.</DL>
</DD>
</DL>
<HR>

<A NAME="setSize(int)"><!-- --></A><H3>
setSize</H3>
<PRE>
public void <B>setSize</B>(int&nbsp;size)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE>
<DL>
<DD>Converts the buffer's contents into a string, translating bytes into
 characters according to the platform's default character encoding.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>String translated from the buffer's contents.</DL>
</DD>
</DL>
<HR>

<A NAME="toString(java.lang.String)"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>toString</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;enc)
                throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/UnsupportedEncodingException.html?is-external=true" title="class or interface in java.io">UnsupportedEncodingException</A></PRE>
<DL>
<DD>Converts the buffer's contents into a string, translating bytes into
 characters according to the specified character encoding.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>enc</CODE> - a character-encoding name.
<DT><B>Returns:</B><DD>String translated from the buffer's contents.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/UnsupportedEncodingException.html?is-external=true" title="class or interface in java.io">UnsupportedEncodingException</A></CODE> - If the named encoding is not supported.</DL>
</DD>
</DL>
<HR>

<A NAME="writeTo(java.io.OutputStream)"><!-- --></A><H3>
writeTo</H3>
<PRE>
public void <B>writeTo</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;out)
             throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Writes the complete contents of this byte buffer output to
 the specified output stream argument, as if by calling the output
 stream's write method using <code>out.write(buf, 0, count)</code>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - the output stream to which to write the data.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs.</DL>
</DD>
</DL>
<HR>

<A NAME="write(int)"><!-- --></A><H3>
write</H3>
<PRE>
public void <B>write</B>(int&nbsp;b)
           throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/OutputStream.html?is-external=true#write(int)" title="class or interface in java.io">write</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="write(byte[], int, int)"><!-- --></A><H3>
write</H3>
<PRE>
public void <B>write</B>(byte[]&nbsp;b,
                  int&nbsp;off,
                  int&nbsp;len)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/OutputStream.html?is-external=true#write(byte[], int, int)" title="class or interface in java.io">write</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getBuffer()"><!-- --></A><H3>
getBuffer</H3>
<PRE>
public byte[] <B>getBuffer</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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