org.mmbase.util.images

Class AbstractImageConverter

java.lang.Object

org.mmbase.util.images.AbstractImageConverter

All Implemented Interfaces:

ImageConverter

Direct Known Subclasses:

ImageMagickImageConverter, JAIImageConverter

public abstract class AbstractImageConverter
extends Object
implements ImageConverter

Abstract implementation of a ImageConverter. Override either convertImage(byte[], String, List) or convertImage(InputStream, String, OutputStream, List).

Since:

MMBase-1.9

Author:

Michiel Meeuwissen

Constructor Summary

Constructors

Constructor and Description
AbstractImageConverter()

Method Summary

Modifier and Type	Method and Description
byte[]	convertImage(byte[] input, String sourceFormat, List<String> commands) This functions converts an image by the given parameters
long	convertImage(InputStream input, String sourceFormat, OutputStream out, List<String> commands) This functions converts an image by the given parameters
void	init(Map<String,String> params)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractImageConverter

public AbstractImageConverter()

Method Detail

init

public void init(Map<String,String> params)

Specified by:

init in interface ImageConverter

See Also:

ImageConverter.init(java.util.Map)

convertImage

public byte[] convertImage(byte[] input,
                           String sourceFormat,
                           List<String> commands)

Description copied from interface: ImageConverter

This functions converts an image by the given parameters

Specified by:

convertImage in interface ImageConverter

Parameters:

input - an array of byte which represents the original image

sourceFormat - original image format

commands - a List of Strings containing commands which are operations on the image which will be returned.

Returns:

an array of bytes containing the new converted image.

See Also:

ImageConverter.convertImage(byte[], java.lang.String, java.util.List)

convertImage

public long convertImage(InputStream input,
                         String sourceFormat,
                         OutputStream out,
                         List<String> commands)
                  throws IOException

Description copied from interface: ImageConverter

This functions converts an image by the given parameters

Specified by:

convertImage in interface ImageConverter

Parameters:

input - stream of byte which represents the original image

sourceFormat - original image format

out - stream of bytes containing the new converted image.

commands - a List of Strings containing commands which are operations on the image which will be returned.

Returns:

number of bytes of converted image.

Throws:

IOException - When an error occurs when converting the image

See Also:

ImageConverter.convertImage(java.io.InputStream, java.lang.String, java.io.OutputStream, java.util.List)