net.mfjassociates.jai.util

Class ImageHandler

java.lang.Object

net.mfjassociates.jai.util.ImageHandler

public class ImageHandler
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ImageHandler.BasicImageInformation

Field Summary

Fields

Modifier and Type	Field and Description
static int	NEGATIVE_ZERO_FLOAT_BITS Negative zero bits.
static int	POSITIVE_ZERO_FLOAT_BITS Positive zero bits.
static int	SGN_MASK_FLOAT Offset to order signed double numbers lexicographically.

Constructor Summary

Constructors

Constructor and Description
ImageHandler()

Method Summary

Modifier and Type	Method and Description
static ImageInputStream	createImageIS(InputStream is)
static InputStream	createIS(byte[] input_image_bytes)
static ImageReader	createReader(ImageInputStream imageis)
static ImageWriter	createWriter(String outFormatName)
static String	diplayImageMetadata(ImageReader reader, ImageHandler.BasicImageInformation ii)
static String	saveImage(File outputImageFile, String outFormatName, byte[] input_image_bytes, float saveCompression, Integer dpi)
static String	setupSaveImageWriteParam(ImageWriteParam iwp, float saveCompression)
static void	writeImageFile(File imageFile, ImageReader reader, ImageWriter writer, ImageWriteParam iwp, Integer dpi, String outFormatName)

Methods inherited from class java.lang.Object

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

Field Detail

POSITIVE_ZERO_FLOAT_BITS

public static final int POSITIVE_ZERO_FLOAT_BITS

Positive zero bits.

NEGATIVE_ZERO_FLOAT_BITS

public static final int NEGATIVE_ZERO_FLOAT_BITS

Negative zero bits.

SGN_MASK_FLOAT

public static final int SGN_MASK_FLOAT

Offset to order signed double numbers lexicographically.

See Also:

Constant Field Values

Constructor Detail

ImageHandler

public ImageHandler()

Method Detail

createIS

public static InputStream createIS(byte[] input_image_bytes)

createImageIS

public static ImageInputStream createImageIS(InputStream is)
                                      throws IOException

Throws:

IOException

createReader

public static ImageReader createReader(ImageInputStream imageis)

saveImage

public static String saveImage(File outputImageFile,
                               String outFormatName,
                               byte[] input_image_bytes,
                               float saveCompression,
                               Integer dpi)
                        throws IOException,
                               FileNotFoundException

Throws:

IOException

FileNotFoundException

createWriter

public static ImageWriter createWriter(String outFormatName)

diplayImageMetadata

public static String diplayImageMetadata(ImageReader reader,
                                         ImageHandler.BasicImageInformation ii)
                                  throws IOException,
                                         TransformerException

Throws:

IOException

TransformerException

setupSaveImageWriteParam

public static String setupSaveImageWriteParam(ImageWriteParam iwp,
                                              float saveCompression)

writeImageFile

public static void writeImageFile(File imageFile,
                                  ImageReader reader,
                                  ImageWriter writer,
                                  ImageWriteParam iwp,
                                  Integer dpi,
                                  String outFormatName)
                           throws FileNotFoundException,
                                  IOException

Throws:

FileNotFoundException

IOException