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0.10.1

str2space FFI

C LIB

  • str2space has an FFI wrapper now, similar to convert_space
  • str2space_ffi generic public function with C types as well
  • Renamed convert_space_ffi_NT -> convert_space_NT

0.10.0

Alpha channel "support"

BREAKING

  • Most functions can now take 4 channels instead of 3 channels. While the compiler can usually infer which to use, you may have to manually annotate in some scenarios. This lets you directly process images with an alpha channel without splitting the data into separate streams
  • The external C functions have all been renamed to monotyped versions of the generics. The naming scheme is generic_name_NDtype where N is the channel count (3 or 4) and DType is currently either f32 or f64. So the prior xyz_to_oklab now becomes xyz_to_oklab_3f32

IMPROVEMENTS

  • Many functions are 10-50% faster due to optimized algorithms, particularly fast cube root.
    • Fast cube root is only different by an extremely tiny fraction
  • Some integer functions are now stable in const
  • srgb_to_irgb now properly rounds before casting