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Java GIF Reader

JDeli includes a GIF Reader to read GIF images into Java. The GIF Decoder is written in 100% Java with no dependencies.

Key information:

  • 100% Java solution. No dlls or dependencies on native code
  • supports gif spec 87a and 89a

Quick start:

JDeli can automatically detect the file type and will use the GIF File Reader

BufferedImage image = JDeli.read(gifImageFile);

or

GifDecoder decoder = new GifDecoder();
BufferedImage image = decoder.read(gifData);

See the full Javadoc.

Performance comparisons:

These figures were generated using jmh (as documented on our blog) with a standard set of images (also documented). They should be easy to replicate if you wish to validate, the code is on GitHub.

The higher the number, the better.

Mode: Throughput Count: 25 Units: ops/s

Benchmark Score Error
Apache 4.380 ± 0.011
ImageIO 1.652 ± 0.011
JDeli 5.357 ± 0.140

Tested on 2020 13inch M1 MacBook Pro using JDK 18.0.1.1


Why JDeli?

  • Support image formats such as AVIF, HEIC and JPEG XL (AVIF soon) that are not supported in Java.
  • Process images up to 3x faster than ImageIO and alternative Java image libraries.
  • Prevent JVM crashes caused by native code in other image libraries such as ImageIO.
  • Handle JPEG, PNG, TIFF image file formats fully in Java.
  • Keep your Image files secure as JDeli makes no calls to any external system or third party library.

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