public class JPEGFile extends Object implements JPEGConstants
| Modifier and Type | Field and Description |
|---|---|
protected static org.apache.commons.logging.Log |
log
logger
|
| Constructor and Description |
|---|
JPEGFile(ImageInputStream in)
Constructor for ImageInputStreams.
|
JPEGFile(InputStream in)
Constructor for InputStreams.
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| Modifier and Type | Method and Description |
|---|---|
DataInput |
getDataInput()
Returns the
DataInput instance this object operates on. |
int |
readMarkerSegment()
Reads the next marker segment identifier and returns it.
|
int |
readSegmentLength()
Reads the segment length of the current marker segment and returns it.
|
void |
skipCurrentMarkerSegment()
Skips the current marker segment.
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public JPEGFile(ImageInputStream in)
in - the input stream to read the image frompublic JPEGFile(InputStream in)
in - the input stream to read the image frompublic DataInput getDataInput()
DataInput instance this object operates on.public int readMarkerSegment()
throws IOException
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 IOException
IOExceptionpublic void skipCurrentMarkerSegment()
throws IOException
IOException - if an I/O error occurs while reading from the image fileCopyright 1999-2012 The Apache Software Foundation. All Rights Reserved.