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Today I was asked by a family member if I could help. They had purchased some hardware that scans in all their photo negatives, which whilst cool, has the unfortunate side-effect of resulting in images with inverted colours. Not exactly what you want to see in the (virtual) photo album!

It turns out that in the last year or so I've had a lot to do with image manipulation and editing in Java, so after having a brief look for a tool that they could use to batch invert their photos, I just jumped straight into Java to develop a solution. This was particularly fun as it's been about six months since I've had to cut any Swing/Java2D Java code (I'm fairly fulltime JavaFX these days), so it was nice to just refresh myself after the time away.



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