public class JPEGFile extends java.lang.Object implements JPEGConstants
Modifier and Type | Field and Description |
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protected static org.apache.commons.logging.Log |
log
logger
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Constructor and Description |
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JPEGFile(javax.imageio.stream.ImageInputStream in)
Constructor for ImageInputStreams.
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JPEGFile(java.io.InputStream in)
Constructor for InputStreams.
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Modifier and Type | Method and Description |
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java.io.DataInput |
getDataInput()
Returns the
DataInput instance this object operates on. |
int |
readMarkerSegment()
Reads the next marker segment identifier and returns it.
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int |
readSegmentLength()
Reads the segment length of the current marker segment and returns it.
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void |
skipCurrentMarkerSegment()
Skips the current marker segment.
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public JPEGFile(javax.imageio.stream.ImageInputStream in)
in
- the input stream to read the image frompublic JPEGFile(java.io.InputStream in)
in
- the input stream to read the image frompublic java.io.DataInput getDataInput()
DataInput
instance this object operates on.public int readMarkerSegment() throws java.io.IOException
java.io.IOException
- if an I/O error occurs while reading from the image file or if
the stream is not positioned at a marker segment headerpublic int readSegmentLength() throws java.io.IOException
java.io.IOException
public void skipCurrentMarkerSegment() throws java.io.IOException
java.io.IOException
- if an I/O error occurs while reading from the image fileCopyright 1999-2012 The Apache Software Foundation. All Rights Reserved.