Is there a java library for image?

Question

I am new to image processing in java .
I was given a task to re-size and scale images image of a web site

Is there a simple Library that will do this task?
a library where i have to download a jar - added to my project ?
I prefer not to be forced to install codecs and files to the windows.

I need the library to support only the basic functions

Lib.cropImage();
Lib.resizImage();
Lib.scaleImage()

I already found a library called JAI but I can't find the jar to download it.
Am I missing something ?

Something like [this](http://stackoverflow.com/questions/244164/resize-an-image-in-java-any-open-source-library)? — wallenborn, Nov 29 '11 at 12:39

score 3 · Accepted Answer · answered Nov 29 '11 at 12:38

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You can use the standard Image class part of Java libraries. Scaling images should be fairly easy by using Image.getScaledInstance(int width, int height, int hints)

answered Nov 29 '11 at 12:38

GETah

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thanks for the answer but when i use this function iam unable to save it to the Disc Image img = null; img = ImageIO.read(new File("D:/files/save/Penguins_1321871576590.jpg")); img.getScaledInstance(50, 50, Image.SCALE_SMOOTH); how can i save it to the hard drive since the Image has no method to do that ? am I forced to convert it to buffered Image and then save it Using ImageIO ? or there is easier way ? – A.Alqadomi Nov 29 '11 at 13:10
Hi, glad it helped. That is a different question, please accept this answer if it resolved the original question and post a new one about saving a scaled image into disk :). Please post the link here as well so that I can follow up with it :) – GETah Nov 29 '11 at 14:05

score 3 · Answer 2 · edited May 23 '17 at 12:11

3

For cropping, use BufferedImage.getSubimage() (see this StackOverflow Q&A for more details). For resizing, use Graphics.drawImage() (see this StackOverflow answer for more details). And for scaling, use Image.getScaledInstance().

Other options are:

JMagick (see this StackOverflow answer).
ImageJ
Use ProcessBuilder to execute ImageMagick commands.

edited May 23 '17 at 12:11

Community

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answered Nov 29 '11 at 13:02

Go Dan

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score 1 · Answer 3 · answered Nov 29 '11 at 12:37

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The Java2D library ought to be sufficient enough.

answered Nov 29 '11 at 12:37

mre

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score 0 · Answer 4 · answered Nov 29 '11 at 12:36

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For image processing puroses I would recommend a package from the following list.

In your case JAI would do the job, and you can download it here.

answered Nov 29 '11 at 12:36

Matyas

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score 0 · Answer 5 · answered Nov 29 '11 at 12:37

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Have you tried imageJ which boasts to be world's fastest pure Java image processing program

answered Nov 29 '11 at 12:37

David

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Is there a java library for image?

5 Answers5

Linked