org.dcm4che3.imageio.stream

Class SegmentedImageInputStream

java.lang.Object

javax.imageio.stream.ImageInputStreamImpl

org.dcm4che3.imageio.stream.SegmentedImageInputStream

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable, ImageInputStream

public class SegmentedImageInputStream
extends ImageInputStreamImpl

Author:

Gunter Zeilinger

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	autoExtend
private int	curSegment
private long	curSegmentEnd
private byte[]	header
private int[]	segmentLengths
private long[]	segmentPositionsList
private ImageInputStream	stream

Fields inherited from class javax.imageio.stream.ImageInputStreamImpl

bitOffset, byteOrder, flushedPos, streamPos

Constructor Summary

Constructors

Constructor and Description
SegmentedImageInputStream(ImageInputStream stream, long[] segmentPositionsList, int[] segmentLengths)
SegmentedImageInputStream(ImageInputStream stream, long pos, int len, boolean autoExtend)

Method Summary

Modifier and Type	Method and Description
private void	addSegment(long pos, int len)
long	getLastSegmentEnd()
static SegmentedImageInputStream	ofFrame(ImageInputStream iis, Fragments fragments, int index, int frames)
private int	offsetOf(int segment)
private boolean	prepareRead()
int	read()
int	read(byte[] b, int off, int len)
void	seek(long pos)

Methods inherited from class javax.imageio.stream.ImageInputStreamImpl

checkClosed, close, finalize, flush, flushBefore, getBitOffset, getByteOrder, getFlushedPosition, getStreamPosition, isCached, isCachedFile, isCachedMemory, length, mark, read, readBit, readBits, readBoolean, readByte, readBytes, readChar, readDouble, readFloat, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedInt, readUnsignedShort, readUTF, reset, setBitOffset, setByteOrder, skipBytes, skipBytes

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

stream

private final ImageInputStream stream

autoExtend

private final boolean autoExtend

segmentPositionsList

private long[] segmentPositionsList

segmentLengths

private int[] segmentLengths

curSegment

private int curSegment

curSegmentEnd

private long curSegmentEnd

header

private byte[] header

Constructor Detail

SegmentedImageInputStream

public SegmentedImageInputStream(ImageInputStream stream,
                                 long[] segmentPositionsList,
                                 int[] segmentLengths)
                          throws IOException

Throws:

IOException

SegmentedImageInputStream

public SegmentedImageInputStream(ImageInputStream stream,
                                 long pos,
                                 int len,
                                 boolean autoExtend)
                          throws IOException

Throws:

IOException

Method Detail

ofFrame

public static SegmentedImageInputStream ofFrame(ImageInputStream iis,
                                                Fragments fragments,
                                                int index,
                                                int frames)
                                         throws IOException

Throws:

IOException

getLastSegmentEnd

public long getLastSegmentEnd()

offsetOf

private int offsetOf(int segment)

seek

public void seek(long pos)
          throws IOException

Specified by:

seek in interface ImageInputStream

Overrides:

seek in class ImageInputStreamImpl

Throws:

IOException

read

public int read()
         throws IOException

Specified by:

read in interface ImageInputStream

Specified by:

read in class ImageInputStreamImpl

Throws:

IOException

prepareRead

private boolean prepareRead()
                     throws IOException

Throws:

IOException

addSegment

private void addSegment(long pos,
                        int len)

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

Specified by:

read in interface ImageInputStream

Specified by:

read in class ImageInputStreamImpl

Throws:

IOException