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What is thumbnailator? in view of this question, this article introduces in detail the corresponding analysis and answers, hoping to help more partners who want to solve this problem to find a more simple and feasible way.

Thumbnailator:

Google development and maintenance

Github open source

Do not depend on external libraries

The operation is super simple (really super simple)

> action:

> ONE. Zoom out according to the original image (original figure 001.jpgmuri-> 002.jpg):

Thumbnails.of (new File ("F://001.jpg")) .size (500,500) .toFile (new File ("F://002.jpg"))

Original image size: 6848 KB-> 42 KB new image (scale unchanged, see below)

> TWO. Enlarge according to the original image (original figure 001.jpgmuri-> 002.jpg):

Thumbnails.of (new File ("F://002.jpg")) .size (1500, 1500) .toFile (new File ("F://003.jpg"))

Original image size: 42 KB-> 174KB new image (scale unchanged, as shown below)

> in addition to easily zooming in and out, generating files directly. You can also convert file formats, support direct generation of output streams, and so on, code:

OutputStream os =; Thumbnails.of ("F://001.jpg") .size (200,200) .outputFormat ("png") .toOutputStream (os); the answer to what is thumbnailator is shared here, I hope the above content can be of some help to you, if you still have a lot of doubts to solve, you can follow the industry information channel for more related knowledge.

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