com.pdfunit.util

Class ImageHelper

java.lang.Object

com.pdfunit.util.ImageHelper

@DoNotObfuscate
public final class ImageHelper
extends java.lang.Object

This class provides helpful methods dealing with images.

Since:

2016.05

Author:

Carsten Siedentop, February 2016

Constructor Summary

Constructors

Constructor and Description
ImageHelper()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	equalsByBytes(java.awt.image.BufferedImage imageLeft, java.awt.image.BufferedImage imageRight) This method compares two images byte by byte.
static java.awt.image.BufferedImage	flipHorizontal(java.awt.image.BufferedImage image)
static java.awt.image.BufferedImage	flipVertical(java.awt.image.BufferedImage image)
static java.awt.image.BufferedImage	getAsImage(java.io.File imageFile) Reading an image file and converting it into a BufferedImage.
static java.awt.image.BufferedImage	getAsImage(java.io.InputStream imageStream) Reading an image input stream and converting it into a BufferedImage.
static java.awt.image.BufferedImage	getAsImage(java.lang.String imageFileName) Reading an image file and converting it into a BufferedImage.
static java.awt.image.BufferedImage	getAsImage(java.net.URL imageURL) Reading an image from an URL and converting it into a BufferedImage.
static java.awt.image.BufferedImage	rotateClockwise90(java.awt.image.BufferedImage image)
static void	writeImageIn72DPI(java.awt.image.BufferedImage image, java.io.File file)

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageHelper

public ImageHelper()

Method Detail

getAsImage

public static java.awt.image.BufferedImage getAsImage(java.io.File imageFile)

Reading an image file and converting it into a BufferedImage.

getAsImage

public static java.awt.image.BufferedImage getAsImage(java.lang.String imageFileName)

Reading an image file and converting it into a BufferedImage.

getAsImage

public static java.awt.image.BufferedImage getAsImage(java.net.URL imageURL)

Reading an image from an URL and converting it into a BufferedImage.

getAsImage

public static java.awt.image.BufferedImage getAsImage(java.io.InputStream imageStream)

Reading an image input stream and converting it into a BufferedImage.

equalsByBytes

public static boolean equalsByBytes(java.awt.image.BufferedImage imageLeft,
                    java.awt.image.BufferedImage imageRight)

This method compares two images byte by byte.

rotateClockwise90

public static java.awt.image.BufferedImage rotateClockwise90(java.awt.image.BufferedImage image)

flipVertical

public static java.awt.image.BufferedImage flipVertical(java.awt.image.BufferedImage image)

flipHorizontal

public static java.awt.image.BufferedImage flipHorizontal(java.awt.image.BufferedImage image)

writeImageIn72DPI

public static void writeImageIn72DPI(java.awt.image.BufferedImage image,
                     java.io.File file)
                              throws javax.imageio.metadata.IIOInvalidTreeException,
                                     java.io.IOException

Throws:

javax.imageio.metadata.IIOInvalidTreeException

java.io.IOException