com.sibvisions.util.type
Class ImageUtil

java.lang.Object
  com.sibvisions.util.type.ImageUtil

public final class ImageUtil
extends Object

The ImageUtil provides useful image operation/manipulation methods.

Nested Class Summary

static class

ImageUtil.ImageFormat The image formats.

Method Summary

static void	createScaledImage(InputStream pImage, int pWidth, int pHeight, boolean pProportional, OutputStream pScaledImage, String pFormat) Creates a scaled image out of an InputStream.
static ImageUtil.ImageFormat	getImageFormat(byte[] pData) Gets the image format from raw image data.
static ImageIcon	getScaledIcon(Icon pIcon, int pWidth, int pHeight, boolean pProportional) Gets a scaled ImageIcon out of an Icon.
static ImageIcon	getScaledIcon(ImageIcon pIcon, int pWidth, int pHeight, boolean pProportional) Gets a scaled ImageIcon out of an ImageIcon.
static Image	getScaledImage(Image pImage, int pWidth, int pHeight, boolean pProportional) Gets a scaled Image out of an Image.
static Image	getScaledImage(Image pImage, int pType, int pWidth, int pHeight, boolean pProportional) Gets a scaled Image out of an Image.
static Image	getScaledImage(InputStream pImage, int pWidth, int pHeight, boolean pProportional) Gets a scaled Image out of an InputStream.

Methods inherited from class java.lang.Object

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

Method Detail

getScaledIcon

public static ImageIcon getScaledIcon(Icon pIcon,
                                      int pWidth,
                                      int pHeight,
                                      boolean pProportional)

Gets a scaled ImageIcon out of an Icon.

Parameters:

pIcon - the icon

pWidth - the desired image height

pHeight - the desired image height

pProportional - true for proportional scaling and false for fixed scaling

Returns:

the scaled icon

getScaledIcon

public static ImageIcon getScaledIcon(ImageIcon pIcon,
                                      int pWidth,
                                      int pHeight,
                                      boolean pProportional)

Gets a scaled ImageIcon out of an ImageIcon.

Parameters:

pIcon - the image

pWidth - the desired image height

pHeight - the desired image height

pProportional - true for proportional scaling and false for fixed scaling

Returns:

the scaled icon

getScaledImage

public static Image getScaledImage(InputStream pImage,
                                   int pWidth,
                                   int pHeight,
                                   boolean pProportional)
                            throws IOException

Gets a scaled Image out of an InputStream.

Parameters:

pImage - the image stream

pWidth - the desired image height

pHeight - the desired image height

pProportional - true for proportional scaling and false for fixed scaling

Returns:

the scaled image

Throws:

IOException - if an error occurs during image streaming

getScaledImage

public static Image getScaledImage(Image pImage,
                                   int pWidth,
                                   int pHeight,
                                   boolean pProportional)

Gets a scaled Image out of an Image.

Parameters:

pImage - the image

pWidth - the desired image height

pHeight - the desired image height

pProportional - true for proportional scaling and false for fixed scaling

Returns:

the scaled image

getScaledImage

public static Image getScaledImage(Image pImage,
                                   int pType,
                                   int pWidth,
                                   int pHeight,
                                   boolean pProportional)

Gets a scaled Image out of an Image.

Parameters:

pImage - the image

pType - one of the image types of BufferedImage

pWidth - the desired image height

pHeight - the desired image height

pProportional - true for proportional scaling and false for fixed scaling

Returns:

the scaled image

createScaledImage

public static void createScaledImage(InputStream pImage,
                                     int pWidth,
                                     int pHeight,
                                     boolean pProportional,
                                     OutputStream pScaledImage,
                                     String pFormat)
                              throws IOException

Creates a scaled image out of an InputStream.

Parameters:

pImage - the image stream

pWidth - the desired image height

pHeight - the desired image height

pProportional - true for proportional scaling and false for fixed scaling

pScaledImage - the scaled image output stream

pFormat - the output format supported from image IO, e.g. png, jpg, gif

Throws:

IOException - if an error occurs during image reading or writing

See Also:

ImageIO

getImageFormat

public static ImageUtil.ImageFormat getImageFormat(byte[] pData)

Gets the image format from raw image data.

Parameters:

pData - the image data

Returns:

the detected image format