Module org.omnifaces.utils

Package org.omnifaces.utils.image

Class Images

java.lang.Object

org.omnifaces.utils.image.Images

public final class Images
extends Object

Method Summary

Modifier and Type	Method	Description
static String	computePerceptualHash(BufferedImage image, int size, int base)	https://apiumhub.com/tech-blog-barcelona/introduction-perceptual-hashes-measuring-similarity/
static BufferedImage	cropImage(BufferedImage image, double desiredAspectRatio)
static BufferedImage	cropImage(BufferedImage image, int desiredWidth, int desiredHeight)
static BufferedImage	cropToSquareImage(BufferedImage image)
static BufferedImage	grayscale(BufferedImage image)
static BufferedImage	progressiveBilinearDownscale(BufferedImage image, int desiredWidth, int desiredHeight)
static BufferedImage	toBufferedImage(byte[] content)
static byte[]	toJpg(BufferedImage image)
static byte[]	toPng(BufferedImage image)

Methods inherited from class java.lang.Object

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

Method Detail

toBufferedImage

public static BufferedImage toBufferedImage(byte[] content)
                                     throws IOException

Throws:

IOException

toPng

public static byte[] toPng(BufferedImage image)
                    throws IOException

Throws:

IOException

toJpg

public static byte[] toJpg(BufferedImage image)
                    throws IOException

Throws:

IOException

cropImage

public static BufferedImage cropImage(BufferedImage image,
                                      int desiredWidth,
                                      int desiredHeight)

cropImage

public static BufferedImage cropImage(BufferedImage image,
                                      double desiredAspectRatio)

cropToSquareImage

public static BufferedImage cropToSquareImage(BufferedImage image)

progressiveBilinearDownscale

public static BufferedImage progressiveBilinearDownscale(BufferedImage image,
                                                         int desiredWidth,
                                                         int desiredHeight)

grayscale

public static BufferedImage grayscale(BufferedImage image)

computePerceptualHash

public static String computePerceptualHash(BufferedImage image,
                                           int size,
                                           int base)

https://apiumhub.com/tech-blog-barcelona/introduction-perceptual-hashes-measuring-similarity/