Module seppiko.commons.utils

Package org.seppiko.commons.utils.image

Class ImageUtil

java.lang.Object

org.seppiko.commons.utils.image.ImageUtil

public class ImageUtil
extends Object

Image utility

Author:

Leonard Woo

Method Summary

Modifier and Type	Method	Description
static byte[]	compressor(BufferedImage image, String formatName, float quality, boolean enableProgressiveMode)	Compress image.
static byte[]	writeImage(BufferedImage image, String formatName)	Write image to byte array.

Methods inherited from class java.lang.Object

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

Method Details

compressor

public static byte[] compressor(BufferedImage image,
 String formatName,
 float quality,
 boolean enableProgressiveMode)
                         throws IOException,
NullPointerException,
IllegalArgumentException

Compress image.

Parameters:

image - a BufferedImage instance.

formatName - a String containing the informal name of a format. (e.g., "jpeg" or "tiff").

quality - a float between 0 and 1 indicating the desired quality level.

enableProgressiveMode - if true enable progressive mode.

Returns:

the image byte array.

Throws:

IOException - I/O Error.

NullPointerException - Image is null.

IllegalArgumentException - format name is null. Or

See Also:

• ImageIO.getImageWritersByFormatName(String)
• ImageWriter

writeImage

public static byte[] writeImage(BufferedImage image,
 String formatName)
                         throws IOException,
NullPointerException

Write image to byte array.

Parameters:

image - a BufferedImage instance.

formatName - a String containing the informal name of a format.

Returns:

the image byte array. null if no appropriate writer is found.

Throws:

IOException - I/O Error.

NullPointerException - Image is null.