feat: add gamma support to vips image processor #41
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Background
GdkPixbuf-based image processing can take over 1GB of memory for processing a single high-resolution photo. We've decided to introduce another processor, hoping that it'll improve Morandi's memory profile and performance.
Problems
Vips processor doesn't support gamma operation
Solution
Add support for gamma operation
Pixbuf vs Vips comparison
0.0105821
The vips image appears to have minimally lower contrast, best visible on purple pixels
Notes