graphicstest

Documentation

Index

• func ImageWithinTolerance(m0, m1 image.Image, tol int) error
• func LoadImage(path string) (img image.Image, err error)
• func MakeRGBA(src []uint8, width int) *image.RGBA
• func SprintBox(box []byte, width, height int) string
• func SprintImageR(src *image.RGBA) string

Functions

func ImageWithinTolerance

func ImageWithinTolerance(m0, m1 image.Image, tol int) error

ImageWithinTolerance checks that each pixel varies by no more than tol.

func LoadImage

func LoadImage(path string) (img image.Image, err error)

LoadImage decodes an image from a file.

func MakeRGBA

func MakeRGBA(src []uint8, width int) *image.RGBA

MakeRGBA returns an image with R, G, B taken from src.

func SprintBox

func SprintBox(box []byte, width, height int) string

SprintBox pretty prints the array as a hexidecimal matrix.

func SprintImageR

func SprintImageR(src *image.RGBA) string

SprintImageR pretty prints the red channel of src. It looks like SprintBox.