Use MagickCore API directly or investigate alternative to ImageMagick

[rafikk]

[disruptek]

It's not clear which library you've prototyped, but it seems to me that if the goal is minimal resource consumption then libvips is the clear choice, while MagickCore offers a much larger set of transforms at much greater memory/speed costs. Ideally, halfshell would optionally bind to libvips and use it instead of MagickCore whenever possible, according to the operations specified in the processor configuration.