org.apache.sanselan.formats.png
Class PngImageParser

java.lang.Object
  org.apache.sanselan.common.BinaryFileFunctions
      org.apache.sanselan.common.BinaryFileParser
          org.apache.sanselan.ImageParser
              org.apache.sanselan.formats.png.PngImageParser

All Implemented Interfaces:

BinaryConstants, PngConstants, SanselanConstants

public class PngImageParser
extends ImageParser
implements PngConstants

Field Summary

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

debug

Fields inherited from interface org.apache.sanselan.formats.png.PngConstants

COLOR_TYPE_GREYSCALE, COLOR_TYPE_GREYSCALE_WITH_ALPHA, COLOR_TYPE_INDEXED_COLOR, COLOR_TYPE_TRUE_COLOR, COLOR_TYPE_TRUE_COLOR_WITH_ALPHA, COMPRESSION_DEFLATE_INFLATE, COMPRESSION_TYPE_INFLATE_DEFLATE, FILTER_METHOD_ADAPTIVE, FILTER_TYPE_AVERAGE, FILTER_TYPE_NONE, FILTER_TYPE_PAETH, FILTER_TYPE_SUB, FILTER_TYPE_UP, gAMA, iCCP, IDAT, IDAT_CHUNK_TYPE, IEND, IEND_CHUNK_TYPE, IHDR, IHDR_CHUNK_TYPE, INTERLACE_METHOD_ADAM7, INTERLACE_METHOD_NONE, iTXt, iTXt_CHUNK_TYPE, PARAM_KEY_PNG_BIT_DEPTH, PARAM_KEY_PNG_FORCE_INDEXED_COLOR, PARAM_KEY_PNG_FORCE_TRUE_COLOR, PARAM_KEY_PNG_TEXT_CHUNKS, pHYs, PLTE, PLTE_CHUNK_TYPE, PNG_Signature, sRGB, tEXt, tEXt_CHUNK_TYPE, tRNS, XMP_KEYWORD, zTXt, zTXt_CHUNK_TYPE

Fields inherited from interface org.apache.sanselan.SanselanConstants

BUFFERED_IMAGE_FACTORY, PARAM_KEY_COMPRESSION, PARAM_KEY_FILENAME, PARAM_KEY_FORMAT, PARAM_KEY_READ_THUMBNAILS, PARAM_KEY_STRICT, PARAM_KEY_VERBOSE, PARAM_KEY_XMP_XML

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

PngImageParser()

Method Summary

boolean	dumpImageFile(java.io.PrintWriter pw, ByteSource byteSource)
byte[]	embedICCProfile(byte[] image, byte[] profile)
boolean	embedICCProfile(java.io.File src, java.io.File dst, byte[] profile)
protected java.lang.String[]	getAcceptedExtensions()
protected ImageFormat[]	getAcceptedTypes()
java.awt.image.BufferedImage	getBufferedImage(ByteSource byteSource, java.util.Map params)
java.lang.String	getDefaultExtension()
byte[]	getICCProfileBytes(ByteSource byteSource, java.util.Map params)
ImageInfo	getImageInfo(ByteSource byteSource, java.util.Map params)
java.awt.Dimension	getImageSize(ByteSource byteSource, java.util.Map params)
IImageMetadata	getMetadata(ByteSource byteSource, java.util.Map params)
java.lang.String	getName()
java.lang.String	getXmpXml(ByteSource byteSource, java.util.Map params) Extracts embedded XML metadata as XML string.
void	writeImage(java.awt.image.BufferedImage src, java.io.OutputStream os, java.util.Map params)

Methods inherited from class org.apache.sanselan.ImageParser

canAcceptExtension, canAcceptExtension, canAcceptType, dumpImageFile, dumpImageFile, dumpImageFile, getAllBufferedImages, getAllBufferedImages, getAllBufferedImages, getAllImageParsers, getBufferedImage, getBufferedImage, getBufferedImageFactory, getFormatCompliance, getFormatCompliance, getFormatCompliance, getICCProfileBytes, getICCProfileBytes, getICCProfileBytes, getICCProfileBytes, getImageInfo, getImageInfo, getImageInfo, getImageSize, getImageSize, getImageSize, getImageSize, getMetadata, getMetadata, getMetadata, getMetadata, getMetadata, isStrict

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

PngImageParser

public PngImageParser()

Method Detail

getName

public java.lang.String getName()

Specified by:

getName in class ImageParser

getDefaultExtension

public java.lang.String getDefaultExtension()

Specified by:

getDefaultExtension in class ImageParser

getAcceptedExtensions

protected java.lang.String[] getAcceptedExtensions()

Specified by:

getAcceptedExtensions in class ImageParser

getAcceptedTypes

protected ImageFormat[] getAcceptedTypes()

Specified by:

getAcceptedTypes in class ImageParser

getICCProfileBytes

public byte[] getICCProfileBytes(ByteSource byteSource,
                                 java.util.Map params)
                          throws ImageReadException,
                                 java.io.IOException

Specified by:

getICCProfileBytes in class ImageParser

Throws:

ImageReadException

java.io.IOException

getImageSize

public java.awt.Dimension getImageSize(ByteSource byteSource,
                                       java.util.Map params)
                                throws ImageReadException,
                                       java.io.IOException

Specified by:

getImageSize in class ImageParser

Throws:

ImageReadException

java.io.IOException

embedICCProfile

public byte[] embedICCProfile(byte[] image,
                              byte[] profile)

embedICCProfile

public boolean embedICCProfile(java.io.File src,
                               java.io.File dst,
                               byte[] profile)

Specified by:

embedICCProfile in class ImageParser

getMetadata

public IImageMetadata getMetadata(ByteSource byteSource,
                                  java.util.Map params)
                           throws ImageReadException,
                                  java.io.IOException

Specified by:

getMetadata in class ImageParser

Throws:

ImageReadException

java.io.IOException

getImageInfo

public ImageInfo getImageInfo(ByteSource byteSource,
                              java.util.Map params)
                       throws ImageReadException,
                              java.io.IOException

Specified by:

getImageInfo in class ImageParser

Throws:

ImageReadException

java.io.IOException

getBufferedImage

public java.awt.image.BufferedImage getBufferedImage(ByteSource byteSource,
                                                     java.util.Map params)
                                              throws ImageReadException,
                                                     java.io.IOException

Specified by:

getBufferedImage in class ImageParser

Throws:

ImageReadException

java.io.IOException

dumpImageFile

public boolean dumpImageFile(java.io.PrintWriter pw,
                             ByteSource byteSource)
                      throws ImageReadException,
                             java.io.IOException

Overrides:

dumpImageFile in class ImageParser

Throws:

ImageReadException

java.io.IOException

writeImage

public void writeImage(java.awt.image.BufferedImage src,
                       java.io.OutputStream os,
                       java.util.Map params)
                throws ImageWriteException,
                       java.io.IOException

Overrides:

writeImage in class ImageParser

Throws:

ImageWriteException

java.io.IOException

getXmpXml

public java.lang.String getXmpXml(ByteSource byteSource,
                                  java.util.Map params)
                           throws ImageReadException,
                                  java.io.IOException

Extracts embedded XML metadata as XML string.

Specified by:

getXmpXml in class ImageParser

Parameters:

file - File containing image data.

params - Map of optional parameters, defined in SanselanConstants.

Returns:

Xmp Xml as String, if present. Otherwise, returns null..

Throws:

ImageReadException

java.io.IOException