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javaimageresize
Lucky Man
Lucky Man

Reputation: 1518

Java: reading, converting and resizing of images

I need to read image in java. Then I should to convert it to 565RGB In addition it would be good to resize this image to 320 x 240. How should I do it? Help me please.

I know such information: 1)It is possible to read image by its URL.

ImageIcon imgThisImg = new ImageIcon(imageURL);

2) It is possible to create image instances that supports 565RGB.

BufferedImage bufImg = new BufferedImage(320, 240, BufferedImage.TYPE_USHORT_565_RGB);

3)BufferedImage inherits ImageIcon , so it is possible to perform such operation

Image imgPicture ...
BufferedImage  bufImg = (BufferedImage) imgPicture;

But I haven't any idea, will bufImg in this case have BufferedImage.TYPE_USHORT_565_RGB format? How to stretch, to squeeze or to cut this picture to get size 320 x 240?

Upvotes: 0

Views: 693

Answers (1)

viktor
viktor

Reputation: 1297

The most convenient method to read image from any source (File,Stream,URL) is

BufferedImage bufImg = ImageIO.read( imageURL );

Then to answer your question you should check this post How to scale a BufferedImage.

Upvotes: 1

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