com.pixelmed.display
Class SourceImage

java.lang.Object
  com.pixelmed.display.SourceImage

public class SourceImage
extends Object

A class that encapsulates the pixel data and features and values from an image source (such as a DICOM image), usually for the purpose of displaying it.

See Also:

SingleImagePanel

Field Summary

protected com.pixelmed.display.SourceImage.BufferedImageSource	bufferedImageSource
protected MappedByteBuffer	memoryMappedByteBuffer
protected FileChannel	memoryMappedFileChannel
protected FileInputStream	memoryMappedFileInputStream
protected static int	memoryMapperNumberOfRetries
protected static int	memoryMapperRetriesBeforeSleeping
protected static int	memoryMapperSleepTimeBetweenRetries

Constructor Summary

SourceImage(AttributeList list)
Construct an image from a single or multi-frame DICOM image from a list of DICOM attributes.

SourceImage(DicomInputStream i)
Construct an image from a single or multi-frame DICOM image from an input stream (such as from a file or the network).

SourceImage(InputStream i, int w, int h, int depth)
Construct a single-frame image from an unsigned raw image (no header) on an input stream with the specified width, height and bit depth.

SourceImage(InputStream i, int w, int h, int depth, int frames)
Construct a multi-frame image from an unsigned raw image (no header) on an input stream with the specified width, height and bit depth.

SourceImage(String filename)
Construct an image from a single or multi-frame DICOM image from a file.

Method Summary

protected static void	clean(Object object)
void	close()
protected void	finalize()
int	getBackgroundValue()
BufferedImage	getBufferedImage()
BufferedImage	getBufferedImage(int i)
protected ByteBuffer	getByteBufferFromOtherAttributeOnDisk(OtherAttributeOnDisk oad) Get a memory mapped file buffer for value of the specified attribute.
Dimension	getDimension()
DisplayShutter	getDisplayShutter()
int	getHeight()
int	getMaskValue()
double	getMaximum()
double	getMinimum()
ModalityTransform	getModalityTransform()
int	getNumberOfBufferedImages()
int	getNumberOfFrames()
Overlay	getOverlay()
int	getPadRangeLimit()
int	getPadValue()
int	getPaletteColorBitsPerEntry()
short[]	getPaletteColorBlueTable()
int	getPaletteColorFirstValueMapped()
short[]	getPaletteColorGreenTable()
int	getPaletteColorLargestGray()
int	getPaletteColorNumberOfEntries()
short[]	getPaletteColorRedTable()
RealWorldValueTransform	getRealWorldValueTransform()
protected ShortBuffer	getShortBufferFromOtherWordAttributeOnDisk(OtherWordAttributeOnDisk oad) Get a memory mapped file buffer for value of the specified attribute.
SUVTransform	getSUVTransform()
String	getTitle()
VOITransform	getVOITransform()
int	getWidth()
boolean	isGrayscale()
boolean	isInverted()
boolean	isPadded()
boolean	isSigned()
boolean	isYBR()

Methods inherited from class java.lang.Object

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

Field Detail

bufferedImageSource

protected com.pixelmed.display.SourceImage.BufferedImageSource bufferedImageSource

memoryMappedFileInputStream

protected FileInputStream memoryMappedFileInputStream

memoryMappedFileChannel

protected FileChannel memoryMappedFileChannel

memoryMappedByteBuffer

protected MappedByteBuffer memoryMappedByteBuffer

memoryMapperNumberOfRetries

protected static int memoryMapperNumberOfRetries

memoryMapperSleepTimeBetweenRetries

protected static int memoryMapperSleepTimeBetweenRetries

memoryMapperRetriesBeforeSleeping

protected static int memoryMapperRetriesBeforeSleeping

Constructor Detail

SourceImage

public SourceImage(InputStream i,
                   int w,
                   int h,
                   int depth)
            throws IOException

Construct a single-frame image from an unsigned raw image (no header) on an input stream with the specified width, height and bit depth.

Parameters:

i - the input stream

w - image width

h - image height

depth - bit depth

Throws:

IOException

SourceImage

public SourceImage(InputStream i,
                   int w,
                   int h,
                   int depth,
                   int frames)
            throws IOException

Construct a multi-frame image from an unsigned raw image (no header) on an input stream with the specified width, height and bit depth.

Parameters:

i - the input stream

w - image width

h - image height

depth - bit depth

frames - number of frames

Throws:

IOException

SourceImage

public SourceImage(String filename)
            throws IOException,
                   DicomException

Construct an image from a single or multi-frame DICOM image from a file.

Parameters:

filename -

Throws:

IOException

DicomException

SourceImage

public SourceImage(DicomInputStream i)
            throws IOException,
                   DicomException

Construct an image from a single or multi-frame DICOM image from an input stream (such as from a file or the network).

Parameters:

i - the input stream

Throws:

IOException

DicomException

SourceImage

public SourceImage(AttributeList list)
            throws DicomException

Construct an image from a single or multi-frame DICOM image from a list of DICOM attributes.

Parameters:

list - the list of attributes that include the description and values of the pixel data

Throws:

DicomException

Method Detail

clean

protected static void clean(Object object)
                     throws Exception

Throws:

Exception

close

public void close()
           throws Throwable

Throws:

Throwable

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

getByteBufferFromOtherAttributeOnDisk

protected ByteBuffer getByteBufferFromOtherAttributeOnDisk(OtherAttributeOnDisk oad)
                                                    throws DicomException,
                                                           IOException

Get a memory mapped file buffer for value of the specified attribute.

Parameters:

oad - the attribute on disk to memory map

Throws:

DicomException

IOException

getShortBufferFromOtherWordAttributeOnDisk

protected ShortBuffer getShortBufferFromOtherWordAttributeOnDisk(OtherWordAttributeOnDisk oad)
                                                          throws DicomException,
                                                                 IOException

Get a memory mapped file buffer for value of the specified attribute.

Parameters:

oad - the attribute on disk to memory map

Throws:

DicomException

IOException

getBufferedImage

public BufferedImage getBufferedImage()

getBufferedImage

public BufferedImage getBufferedImage(int i)

getNumberOfBufferedImages

public int getNumberOfBufferedImages()

getWidth

public int getWidth()

getHeight

public int getHeight()

getDimension

public Dimension getDimension()

getMinimum

public double getMinimum()

Returns:

the minimum pixel value, excluding any pixels in the padding value range

getMaximum

public double getMaximum()

Returns:

the maximum pixel value, excluding any pixels in the padding value range

getMaskValue

public int getMaskValue()

isSigned

public boolean isSigned()

isInverted

public boolean isInverted()

isPadded

public boolean isPadded()

getPadValue

public int getPadValue()

getPadRangeLimit

public int getPadRangeLimit()

getBackgroundValue

public int getBackgroundValue()

isGrayscale

public boolean isGrayscale()

isYBR

public boolean isYBR()

getTitle

public String getTitle()

getNumberOfFrames

public int getNumberOfFrames()

getPaletteColorLargestGray

public int getPaletteColorLargestGray()

getPaletteColorFirstValueMapped

public int getPaletteColorFirstValueMapped()

getPaletteColorNumberOfEntries

public int getPaletteColorNumberOfEntries()

getPaletteColorBitsPerEntry

public int getPaletteColorBitsPerEntry()

getPaletteColorRedTable

public short[] getPaletteColorRedTable()

getPaletteColorGreenTable

public short[] getPaletteColorGreenTable()

getPaletteColorBlueTable

public short[] getPaletteColorBlueTable()

getSUVTransform

public SUVTransform getSUVTransform()

getRealWorldValueTransform

public RealWorldValueTransform getRealWorldValueTransform()

getModalityTransform

public ModalityTransform getModalityTransform()

getVOITransform

public VOITransform getVOITransform()

getDisplayShutter

public DisplayShutter getDisplayShutter()

getOverlay

public Overlay getOverlay()