tifffield.html

IText PDF开发工具说明文档,使用很方便。

 <p> For data in TIFF_BYTE format, the application must take
 care when promoting the data to longer integral types
 to avoid sign extension.

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_BYTE, TIFF_SBYTE, or TIFF_UNDEFINED.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsChars()"><!-- --></A><H3>
getAsChars</H3>
<PRE>
public char[] <B>getAsChars</B>()</PRE>
<DL>
<DD>Returns TIFF_SHORT data as an array of chars (unsigned 16-bit
 integers).

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_SHORT.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsShorts()"><!-- --></A><H3>
getAsShorts</H3>
<PRE>
public short[] <B>getAsShorts</B>()</PRE>
<DL>
<DD>Returns TIFF_SSHORT data as an array of shorts (signed 16-bit
 integers).

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_SSHORT.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsInts()"><!-- --></A><H3>
getAsInts</H3>
<PRE>
public int[] <B>getAsInts</B>()</PRE>
<DL>
<DD>Returns TIFF_SLONG data as an array of ints (signed 32-bit
 integers).

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_SLONG.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsLongs()"><!-- --></A><H3>
getAsLongs</H3>
<PRE>
public long[] <B>getAsLongs</B>()</PRE>
<DL>
<DD>Returns TIFF_LONG data as an array of longs (signed 64-bit
 integers).

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_LONG.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsFloats()"><!-- --></A><H3>
getAsFloats</H3>
<PRE>
public float[] <B>getAsFloats</B>()</PRE>
<DL>
<DD>Returns TIFF_FLOAT data as an array of floats. 

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_FLOAT.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsDoubles()"><!-- --></A><H3>
getAsDoubles</H3>
<PRE>
public double[] <B>getAsDoubles</B>()</PRE>
<DL>
<DD>Returns TIFF_DOUBLE data as an array of doubles. 

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_DOUBLE.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsSRationals()"><!-- --></A><H3>
getAsSRationals</H3>
<PRE>
public int[][] <B>getAsSRationals</B>()</PRE>
<DL>
<DD>Returns TIFF_SRATIONAL data as an array of 2-element arrays of ints.

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_SRATIONAL.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsRationals()"><!-- --></A><H3>
getAsRationals</H3>
<PRE>
public long[][] <B>getAsRationals</B>()</PRE>
<DL>
<DD>Returns TIFF_RATIONAL data as an array of 2-element arrays of longs.

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_RATTIONAL.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsInt(int)"><!-- --></A><H3>
getAsInt</H3>
<PRE>
public int <B>getAsInt</B>(int&nbsp;index)</PRE>
<DL>
<DD>Returns data in TIFF_BYTE, TIFF_SBYTE, TIFF_UNDEFINED, TIFF_SHORT,
 TIFF_SSHORT, or TIFF_SLONG format as an int.

 <p> TIFF_BYTE and TIFF_UNDEFINED data are treated as unsigned;
 that is, no sign extension will take place and the returned
 value will be in the range [0, 255].  TIFF_SBYTE data will
 be returned in the range [-128, 127].

 <p> A ClassCastException will be thrown if the field is not of
 type TIFF_BYTE, TIFF_SBYTE, TIFF_UNDEFINED, TIFF_SHORT,
 TIFF_SSHORT, or TIFF_SLONG.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsLong(int)"><!-- --></A><H3>
getAsLong</H3>
<PRE>
public long <B>getAsLong</B>(int&nbsp;index)</PRE>
<DL>
<DD>Returns data in TIFF_BYTE, TIFF_SBYTE, TIFF_UNDEFINED, TIFF_SHORT,
 TIFF_SSHORT, TIFF_SLONG, or TIFF_LONG format as a long.

 <p> TIFF_BYTE and TIFF_UNDEFINED data are treated as unsigned;
 that is, no sign extension will take place and the returned
 value will be in the range [0, 255].  TIFF_SBYTE data will
 be returned in the range [-128, 127].

 <p> A ClassCastException will be thrown if the field is not of
 type TIFF_BYTE, TIFF_SBYTE, TIFF_UNDEFINED, TIFF_SHORT,
 TIFF_SSHORT, TIFF_SLONG, or TIFF_LONG.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsFloat(int)"><!-- --></A><H3>
getAsFloat</H3>
<PRE>
public float <B>getAsFloat</B>(int&nbsp;index)</PRE>
<DL>
<DD>Returns data in any numerical format as a float.  Data in
 TIFF_SRATIONAL or TIFF_RATIONAL format are evaluated by
 dividing the numerator into the denominator using
 double-precision arithmetic and then truncating to single
 precision.  Data in TIFF_SLONG, TIFF_LONG, or TIFF_DOUBLE
 format may suffer from truncation.

 <p> A ClassCastException will be thrown if the field is
 of type TIFF_UNDEFINED or TIFF_ASCII.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsDouble(int)"><!-- --></A><H3>
getAsDouble</H3>
<PRE>
public double <B>getAsDouble</B>(int&nbsp;index)</PRE>
<DL>
<DD>Returns data in any numerical format as a float.  Data in
 TIFF_SRATIONAL or TIFF_RATIONAL format are evaluated by
 dividing the numerator into the denominator using
 double-precision arithmetic.

 <p> A ClassCastException will be thrown if the field is of
 type TIFF_UNDEFINED or TIFF_ASCII.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsString(int)"><!-- --></A><H3>
getAsString</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>getAsString</B>(int&nbsp;index)</PRE>
<DL>
<DD>Returns a TIFF_ASCII data item as a String.

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_ASCII.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsSRational(int)"><!-- --></A><H3>
getAsSRational</H3>
<PRE>
public int[] <B>getAsSRational</B>(int&nbsp;index)</PRE>
<DL>
<DD>Returns a TIFF_SRATIONAL data item as a two-element array
 of ints.

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_SRATIONAL.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAsRational(int)"><!-- --></A><H3>
getAsRational</H3>
<PRE>
public long[] <B>getAsRational</B>(int&nbsp;index)</PRE>
<DL>
<DD>Returns a TIFF_RATIONAL data item as a two-element array
 of ints.

 <p> A ClassCastException will be thrown if the field is not
 of type TIFF_RATIONAL.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="compareTo(java.lang.Object)"><!-- --></A><H3>
compareTo</H3>
<PRE>
public int <B>compareTo</B>(<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>&nbsp;o)</PRE>
<DL>
<DD>Compares this <code>TIFFField</code> with another
 <code>TIFFField</code> by comparing the tags.

 <p><b>Note: this class has a natural ordering that is inconsistent
 with <code>equals()</code>.</b>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Comparable.html?is-external=true#compareTo(T)" title="class or interface in java.lang">compareTo</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the parameter is <code>null</code>.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang">ClassCastException</A></CODE> - if the parameter is not a
         <code>TIFFField</code>.</DL>
</DD>
</DL>
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