simpleimagereader.html

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<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="SimpleImageReader(javax.imageio.spi.ImageReaderSpi)"><!-- --></A><H3>
SimpleImageReader</H3>
<PRE>
protected <B>SimpleImageReader</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderSpi.html" title="class or interface in javax.imageio.spi">ImageReaderSpi</A>&nbsp;provider)</PRE>
<DL>
<DD>Constructs a new image reader.
<P>
<DT><B>Parameters:</B><DD><CODE>provider</CODE> - The <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ImageReaderSpi.html" title="class or interface in javax.imageio.spi"><CODE>ImageReaderSpi</CODE></A> that is invoking this constructor, or
                 .</DL>

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<A NAME="setInput(java.lang.Object, boolean, boolean)"><!-- --></A><H3>
setInput</H3>
<PRE>
public void <B>setInput</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;input,
                     boolean&nbsp;seekForwardOnly,
                     boolean&nbsp;ignoreMetadata)</PRE>
<DL>
<DD>Sets the input source to use. If  is ,
 any currently set input source will be removed.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>input</CODE> - The input object to use for future decoding.<DD><CODE>seekForwardOnly</CODE> - If true, images and metadata may only be read
                        in ascending order from this input source.<DD><CODE>ignoreMetadata</CODE> - If true, metadata may be ignored during reads.</DL>
</DD>
</DL>
<HR>

<A NAME="getNumImages(boolean)"><!-- --></A><H3>
getNumImages</H3>
<PRE>
public int <B>getNumImages</B>(boolean&nbsp;allowSearch)
                 throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A>,
                        <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns the number of images available from the current input source.
 The default implementation returns 1.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>allowSearch</CODE> - If true, the number of images will be returned
         even if a search is required.
<DT><B>Returns:</B><DD>The number of images, or -1 if 
         is false and a search would be required.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the input source has not been set.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs reading the information from the input source.</DL>
</DD>
</DL>
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<A NAME="getNumBands(int)"><!-- --></A><H3>
getNumBands</H3>
<PRE>
public int <B>getNumBands</B>(int&nbsp;imageIndex)
                throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns the number of bands available for the specified image.
 The default implementation returns 1.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>imageIndex</CODE> - The image index.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs reading the information from the input source.</DL>
</DD>
</DL>
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<A NAME="getImageMetadata(int)"><!-- --></A><H3>
getImageMetadata</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/metadata/IIOMetadata.html" title="class or interface in javax.imageio.metadata">IIOMetadata</A> <B>getImageMetadata</B>(int&nbsp;imageIndex)
                             throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns metadata associated with the given image. Since many raw images
 can't store metadata, the default implementation returns .
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs during reading.</DL>
</DD>
</DL>
<HR>

<A NAME="getStreamMetadata()"><!-- --></A><H3>
getStreamMetadata</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/metadata/IIOMetadata.html" title="class or interface in javax.imageio.metadata">IIOMetadata</A> <B>getStreamMetadata</B>()
                              throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns metadata associated with the input source as a whole. Since many raw images
 can't store metadata, the default implementation returns .
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs during reading.</DL>
</DD>
</DL>
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<A NAME="getImageTypes(int)"><!-- --></A><H3>
getImageTypes</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A> <B>getImageTypes</B>(int&nbsp;imageIndex)
                       throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns a collection of <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageTypeSpecifier.html" title="class or interface in javax.imageio"><CODE>ImageTypeSpecifier</CODE></A> containing possible image