org.apache.sanselan.formats.jpeg
Class JpegUtils

java.lang.Object
  org.apache.sanselan.common.BinaryFileFunctions
      org.apache.sanselan.common.BinaryFileParser
          org.apache.sanselan.formats.jpeg.JpegUtils

All Implemented Interfaces:

BinaryConstants, JpegConstants

public class JpegUtils
extends BinaryFileParser
implements JpegConstants

Nested Class Summary

static interface

JpegUtils.Visitor

Field Summary

Fields inherited from class org.apache.sanselan.common.BinaryFileFunctions

debug

Fields inherited from interface org.apache.sanselan.formats.jpeg.JpegConstants

CONST_8BIM, EOI, EXIF_IDENTIFIER_CODE, icc_profile_label, JFIF0_SIGNATURE, JFIF0_SIGNATURE_ALTERNATIVE, JFIFMarker, JPEG_APP0, JPEG_APP0_Marker, JPEG_APP1_Marker, JPEG_APP13_Marker, JPEG_APP14_Marker, JPEG_APP15_Marker, JPEG_APP2_Marker, MARKERS, MAX_SEGMENT_SIZE, PHOTOSHOP_IDENTIFICATION_STRING, SOF0Marker, SOF10Marker, SOF11Marker, SOF12Marker, SOF13Marker, SOF14Marker, SOF15Marker, SOF1Marker, SOF2Marker, SOF3Marker, SOF4Marker, SOF5Marker, SOF6Marker, SOF7Marker, SOF8Marker, SOF9Marker, SOI, SOS_Marker, XMP_IDENTIFIER

Fields inherited from interface org.apache.sanselan.common.BinaryConstants

BYTE_ORDER_BIG_ENDIAN, BYTE_ORDER_INTEL, BYTE_ORDER_LEAST_SIGNIFICANT_BYTE, BYTE_ORDER_LITTLE_ENDIAN, BYTE_ORDER_LSB, BYTE_ORDER_MOST_SIGNIFICANT_BYTE, BYTE_ORDER_MOTOROLA, BYTE_ORDER_MSB, BYTE_ORDER_NETWORK

Constructor Summary

JpegUtils()

Method Summary

void	dumpJFIF(ByteSource byteSource)
static java.lang.String	getMarkerName(int marker)
void	traverseJFIF(ByteSource byteSource, JpegUtils.Visitor visitor)

Methods inherited from class org.apache.sanselan.common.BinaryFileParser

byteArrayHasPrefix, convertByteArrayToInt, convertByteArrayToInt, convertByteArrayToShort, convertByteArrayToShort, getByteOrder, int2ToByteArray, read2Bytes, read3Bytes, read4Bytes, setByteOrder, setByteOrder

Methods inherited from class org.apache.sanselan.common.BinaryFileFunctions

CharsToQuad, compareByteArrays, compareByteArrays, compareBytes, compareBytes, convertByteArrayToDouble, convertByteArrayToDouble, convertByteArrayToDoubleArray, convertByteArrayToFloat, convertByteArrayToFloat, convertByteArrayToFloatArray, convertByteArrayToInt, convertByteArrayToInt, convertByteArrayToIntArray, convertByteArrayToRational, convertByteArrayToRational, convertByteArrayToRationalArray, convertByteArrayToShort, convertByteArrayToShort, convertByteArrayToShortArray, convertDoubleArrayToByteArray, convertDoubleToByteArray, convertFloatArrayToByteArray, convertFloatToByteArray, convertIntArrayToByteArray, convertIntArrayToRationalArray, convertRationalArrayToByteArray, convertRationalToByteArray, convertShortArrayToByteArray, convertShortToByteArray, copyStreamToStream, debugByteArray, debugNumber, debugNumber, debugNumber, debugNumber, debugNumberArray, findNull, findNull, getBytearrayHead, getByteArrayTail, getDebug, getRAFBytes, getStreamBytes, head, int2ToByteArray, printByteBits, printCharQuad, printCharQuad, read2Bytes, read3Bytes, read4Bytes, readAndVerifyBytes, readAndVerifyBytes, readByte, readBytearray, readByteArray, readByteArray, readBytes, readRandomBytes, scanForByte, setDebug, skipBytes, skipBytes, slice, startsWith, tail, writeIntInToByteArray

Methods inherited from class java.lang.Object

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

Constructor Detail

JpegUtils

public JpegUtils()

Method Detail

traverseJFIF

public void traverseJFIF(ByteSource byteSource,
                         JpegUtils.Visitor visitor)
                  throws ImageReadException,
                         java.io.IOException

Throws:

ImageReadException

java.io.IOException

getMarkerName

public static java.lang.String getMarkerName(int marker)

dumpJFIF

public void dumpJFIF(ByteSource byteSource)
              throws ImageReadException,
                     java.io.IOException,
                     ImageWriteException

Throws:

ImageReadException

java.io.IOException

ImageWriteException