pdfobject.html

IText PDF开发工具说明文档,使用很方便。

<DL>
<DD>Constructs a <CODE>PdfObject</CODE> of a certain <VAR>type</VAR> with a certain <VAR>content</VAR>.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>type</CODE> - type of the new <CODE>PdfObject</CODE><DD><CODE>bytes</CODE> - content of the new <CODE>PdfObject</CODE> as an array of <CODE>byte</CODE>.</DL>
</DL>

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<B>Method Detail</B></FONT></TH>
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<A NAME="toPdf(com.lowagie.text.pdf.PdfWriter, java.io.OutputStream)"><!-- --></A><H3>
toPdf</H3>
<PRE>
public void <B>toPdf</B>(<A HREF="../../../../com/lowagie/text/pdf/PdfWriter.html" title="class in com.lowagie.text.pdf">PdfWriter</A>&nbsp;writer,
                  <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;os)
           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 PDF representation of this <CODE>PdfObject</CODE> as an array of <CODE>byte</CODE>s to the writer.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>writer</CODE> - for backwards compatibility<DD><CODE>os</CODE> - the outputstream to write the bytes to.
<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="getBytes()"><!-- --></A><H3>
getBytes</H3>
<PRE>
public byte[] <B>getBytes</B>()</PRE>
<DL>
<DD>Gets the presentation of this object in a byte array
<P>
<DD><DL>

<DT><B>Returns:</B><DD>a byte array</DL>
</DD>
</DL>
<HR>

<A NAME="canBeInObjStm()"><!-- --></A><H3>
canBeInObjStm</H3>
<PRE>
public boolean <B>canBeInObjStm</B>()</PRE>
<DL>
<DD>Can this object be in an object stream?
<P>
<DD><DL>

<DT><B>Returns:</B><DD>true if this object can be in an object stream.</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>Returns the <CODE>String</CODE>-representation of this <CODE>PdfObject</CODE>.
<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>a <CODE>String</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="length()"><!-- --></A><H3>
length</H3>
<PRE>
public int <B>length</B>()</PRE>
<DL>
<DD>Returns the length of the actual content of the <CODE>PdfObject</CODE>.
 <P>
 In some cases, namely for <CODE>PdfString</CODE> and <CODE>PdfStream</CODE>,
 this method differs from the method <CODE>pdfLength</CODE> because <CODE>pdfLength</CODE>
 returns the length of the PDF representation of the object, not of the actual content
 as does the method <CODE>length</CODE>.</P>
 <P>
 Remark: the actual content of an object is in some cases identical to its representation.
 The following statement is always true: length() &gt;= pdfLength().</P>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>a length</DL>
</DD>
</DL>
<HR>

<A NAME="setContent(java.lang.String)"><!-- --></A><H3>
setContent</H3>
<PRE>
protected void <B>setContent</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;content)</PRE>
<DL>
<DD>Changes the content of this <CODE>PdfObject</CODE>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>content</CODE> - the new content of this <CODE>PdfObject</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="type()"><!-- --></A><H3>
type</H3>
<PRE>
public int <B>type</B>()</PRE>
<DL>
<DD>Returns the type of this <CODE>PdfObject</CODE>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>a type</DL>
</DD>
</DL>
<HR>

<A NAME="isNull()"><!-- --></A><H3>
isNull</H3>
<PRE>
public boolean <B>isNull</B>()</PRE>
<DL>
<DD>Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfNull</CODE>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><CODE>true</CODE> or <CODE>false</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="isBoolean()"><!-- --></A><H3>
isBoolean</H3>
<PRE>
public boolean <B>isBoolean</B>()</PRE>
<DL>
<DD>Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfBoolean</CODE>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><CODE>true</CODE> or <CODE>false</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="isNumber()"><!-- --></A><H3>
isNumber</H3>
<PRE>
public boolean <B>isNumber</B>()</PRE>
<DL>
<DD>Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfNumber</CODE>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><CODE>true</CODE> or <CODE>false</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="isString()"><!-- --></A><H3>
isString</H3>
<PRE>
public boolean <B>isString</B>()</PRE>
<DL>
<DD>Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfString</CODE>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><CODE>true</CODE> or <CODE>false</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="isName()"><!-- --></A><H3>
isName</H3>
<PRE>
public boolean <B>isName</B>()</PRE>
<DL>
<DD>Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfName</CODE>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><CODE>true</CODE> or <CODE>false</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="isArray()"><!-- --></A><H3>
isArray</H3>
<PRE>
public boolean <B>isArray</B>()</PRE>
<DL>
<DD>Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfArray</CODE>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><CODE>true</CODE> or <CODE>false</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="isDictionary()"><!-- --></A><H3>
isDictionary</H3>
<PRE>
public boolean <B>isDictionary</B>()</PRE>
<DL>
<DD>Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfDictionary</CODE>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><CODE>true</CODE> or <CODE>false</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="isStream()"><!-- --></A><H3>
isStream</H3>
<PRE>
public boolean <B>isStream</B>()</PRE>
<DL>
<DD>Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfStream</CODE>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><CODE>true</CODE> or <CODE>false</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="isIndirect()"><!-- --></A><H3>
isIndirect</H3>
<PRE>
public boolean <B>isIndirect</B>()</PRE>
<DL>
<DD>Checks if this is an indirect object.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>true if this is an indirect object</DL>
</DD>
</DL>
<HR>

<A NAME="getIndRef()"><!-- --></A><H3>
getIndRef</H3>
<PRE>
public <A HREF="../../../../com/lowagie/text/pdf/PRIndirectReference.html" title="class in com.lowagie.text.pdf">PRIndirectReference</A> <B>getIndRef</B>()</PRE>
<DL>
<DD>Getter for property indRef.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>Value of property indRef.</DL>
</DD>
</DL>
<HR>

<A NAME="setIndRef(com.lowagie.text.pdf.PRIndirectReference)"><!-- --></A><H3>
setIndRef</H3>
<PRE>
public void <B>setIndRef</B>(<A HREF="../../../../com/lowagie/text/pdf/PRIndirectReference.html" title="class in com.lowagie.text.pdf">PRIndirectReference</A>&nbsp;indRef)</PRE>
<DL>
<DD>Setter for property indRef.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>indRef</CODE> - New value of property indRef.</DL>
</DD>
</DL>
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