helper

Documentation

Index

• func Color(c [3]int) color.Color
• func Hex(c [3]int) string
• func ReadImage(uri string) (image.Image, error)
• func SubsamplingPixels(src []uint8, width, height int) [][3]int
• func SubsamplingPixelsFromImage(src image.Image) [][3]int

Functions

func Color

func Color(c [3]int) color.Color

func Hex

func Hex(c [3]int) string

func ReadImage

func ReadImage(uri string) (image.Image, error)

func SubsamplingPixels

func SubsamplingPixels(src []uint8, width, height int) [][3]int

SubsamplingPixels 2.2.1 Implement 2:1 subsampling in the horizontal and vertical directions, so that only 1/4-th of the input image pixels are taken into account

func SubsamplingPixelsFromImage

func SubsamplingPixelsFromImage(src image.Image) [][3]int

SubsamplingPixelsFromImage 2.2.1 Implement 2:1 subsampling in the horizontal and vertical directions, so that only 1/4-th of the input image pixels are taken into account