Package com.mcgath.jhove.module.png

Class SbitChunk

java.lang.Object

com.mcgath.jhove.module.png.PNGChunk

com.mcgath.jhove.module.png.SbitChunk

public class SbitChunk
extends PNGChunk

The sBIT (significant bits) chunk

Field Summary

Fields inherited from class com.mcgath.jhove.module.png.PNGChunk

_dstream, _module, _nisoMetadata, _propList, ancillary, bKGD_HEAD_SIG, cHRM_HEAD_SIG, chunkData, chunkType, crc, duplicateAllowed, gAMA_HEAD_SIG, hIST_HEAD_SIG, iCCP_HEAD_SIG, IDAT_HEAD_SIG, IEND_HEAD_SIG, IHDR_HEAD_SIG, iTXt_HEAD_SIG, length, pHYs_HEAD_SIG, PLTE_HEAD_SIG, sBIT_HEAD_SIG, sPLT_HEAD_SIG, sRGB_HEAD_SIG, tEXt_HEAD_SIG, tIME_HEAD_SIG, tRNS_HEAD_SIG, zTXt_HEAD_SIG

Constructor Summary

Constructors

Constructor	Description
SbitChunk(int sig, long leng)	Constructor

Method Summary

Modifier and Type	Method	Description
void	processChunk(RepInfo info)	The SBIT chunk contains 1 to 4 bytes of information giving the number of significant bits per color.

Methods inherited from class com.mcgath.jhove.module.png.PNGChunk

chunkTypeString, getChunkData, getChunkType, getCRC, getLength, makePNGChunk, processChunkCommon, readCRC, readUnsignedByte, readUnsignedInt, readUnsignedShort, setInputStream, setModule, setNisoMetadata, setPropertyList, skipBytes

Methods inherited from class java.lang.Object

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

Constructor Detail

SbitChunk

public SbitChunk(int sig,
                 long leng)

Constructor

Method Detail

processChunk

public void processChunk(RepInfo info)
                  throws Exception

The SBIT chunk contains 1 to 4 bytes of information giving the number of significant bits per color. Ideally, we should check this against the color model.

Overrides:

processChunk in class PNGChunk

Throws:

Exception