com.atlassian.jira.lookandfeel

Class ImageScaler

java.lang.Object

com.atlassian.jira.lookandfeel.ImageScaler

public class ImageScaler
extends Object

Helper class for managing scaling of images based on provided dimensions argument.

Since:

v4.4

Constructor Summary

Constructors

Constructor and Description
ImageScaler()

Method Summary

Modifier and Type	Method and Description
BufferedImage	scaleImageToMaxHeight(BufferedImage image, int maxHeight)
BufferedImage	scaleImageToMaxWidth(BufferedImage image, int maxWidth)
BufferedImage	scaleImageToSquare(BufferedImage image, int maxSize, boolean crop)

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageScaler

public ImageScaler()

Method Detail

scaleImageToMaxHeight

public BufferedImage scaleImageToMaxHeight(BufferedImage image,
                                           int maxHeight)

Parameters:

image - The BufferedImage you want to scale

maxHeight - The maximum height of the scaled image

Returns:

a ratio scaled BufferedImage if the height was greater than the maximum height specified, otherwise the image is unchanged

scaleImageToMaxWidth

public BufferedImage scaleImageToMaxWidth(BufferedImage image,
                                          int maxWidth)

Parameters:

image - The BufferedImage you want to scale

maxWidth - The maximum width of the scaled image

Returns:

a ratio scaled BufferedImage if the height was greater than the maximum width specified, otherwise the image is unchanged

scaleImageToSquare

public BufferedImage scaleImageToSquare(BufferedImage image,
                                        int maxSize,
                                        boolean crop)

Parameters:

image - The BufferedImage you want to scale

maxSize - The maximum edge size of the scaled image

crop - If the image is rectangular rather than square, then the image will be cropped.

Returns:

a scaled image