Crate evalchroma[][src]

Structs

ChromaEvaluation

Recommended settings for image encoding

PixelSize

This is subsampling expressed as scale relative to luma (i.e. inverse of the way how libjpeg counts number of samples per channel), e.g. (2,2) means 1 chroma sample per 4 luma samples.

Sharpness
YCbCrApprox

Traits

RGBToCbQuick

Fast CbCr appproximation

Functions

adjust_sampling

Analyze img, and recommend best subsampling for the image.