Accelerating color gradients – Keeping Computing Personal
![Accelerating color gradients – Keeping Computing Personal](https://kdepepo.files.wordpress.com/2010/05/hue-saturation-gradient.png?w=256&h=256)
While looking for ways to improve the KDE color selection dialog, I stumbled upon the slow rendering of the hue/saturation color gradient. Using a simple trick such gradients can be rendered using hardware facilities. The goal is to render a two-dimensional gradient as depicted below. The current implementation allocates a properly sized QImage, and computes…
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