Package org.apache.commons.imaging.formats.png.transparencyfilters

Class TransparencyFilterGrayscale

java.lang.Object

org.apache.commons.imaging.common.BinaryFileParser

org.apache.commons.imaging.formats.png.transparencyfilters.AbstractTransparencyFilter

org.apache.commons.imaging.formats.png.transparencyfilters.TransparencyFilterGrayscale

public class TransparencyFilterGrayscale
extends AbstractTransparencyFilter

Constructor Summary

Constructors

Constructor	Description
TransparencyFilterGrayscale(byte[] bytes)

Method Summary

Modifier and Type	Method	Description
int	filter(int rgb, int index)

Methods inherited from class org.apache.commons.imaging.formats.png.transparencyfilters.AbstractTransparencyFilter

getByte, getLength

Methods inherited from class org.apache.commons.imaging.common.BinaryFileParser

debugNumber, debugNumber, getByteOrder, setByteOrder

Methods inherited from class java.lang.Object

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

Constructor Details

TransparencyFilterGrayscale

public TransparencyFilterGrayscale(byte[] bytes)
                            throws IOException

Throws:

IOException

Method Details

filter

public int filter(int rgb,
 int index)
           throws ImagingException,
IOException

Specified by:

filter in class AbstractTransparencyFilter

Throws:

ImagingException

IOException