This is my third "Image to JPEG byte array with resize/quality options" snippet. The various versions are:
Inline Java version, B4J only:
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XUI version, working across B4A, B4i, and B4J:
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A new OpenCV version that is heavily based on the first version (published here). The initial resize is unchanged, but the code to convert the resulting BufferedImage to a JPG image and then convert it to a byte array is now using OpenCV classes/methods.
This version, unlike the previous ones, has some external prerequisites.
For Windows, the prerequisites are the opencv*.jar and the opencv*.dll files. The .jar file needs to be placed in the Additional Library folder of B4J. The opencv*.dll file needs to be located somewhere accessible to the application...
