/usr/libexec/darktable/tools/darktable-curve-tool /usr/libexec/darktable/tools/darktable-curve-tool-helper /usr/share/darktable/tools/basecurve /usr/share/darktable/tools/basecurve/plot.basecurve /usr/share/darktable/tools/basecurve/plot.tonecurve