org.apache.sanselan.formats.transparencyfilters
Class TransparencyFilter

java.lang.Object
  org.apache.sanselan.common.BinaryFileFunctions
      org.apache.sanselan.common.BinaryFileParser
          org.apache.sanselan.formats.transparencyfilters.TransparencyFilter

All Implemented Interfaces:

BinaryConstants

Direct Known Subclasses:

TransparencyFilterGrayscale, TransparencyFilterIndexedColor, TransparencyFilterTrueColor

public abstract class TransparencyFilter
extends BinaryFileParser

Field Summary

protected byte[]

bytes

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

debug

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

TransparencyFilter(byte[] bytes)

Method Summary

abstract int

filter(int rgb, int index)

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

Field Detail

bytes

protected final byte[] bytes

Constructor Detail

TransparencyFilter

public TransparencyFilter(byte[] bytes)

Method Detail

filter

public abstract int filter(int rgb,
                           int index)
                    throws ImageReadException,
                           java.io.IOException

Throws:

ImageReadException

java.io.IOException