hq2xgo

Enlarge image by 2x with hq2x algorithm

Example(Before -> After)

    

    

Usage

command line

$ make build # require make and go
$ hq2x input.png output.png

golang package

See godoc for details.

$ go get github.com/pokemium/hq2xgo

import (
	hq2x "github.com/pokemium/hq2xgo"
)

after, err := hq2x.HQ2x(before) // var before *image.RGBA

Measure benchmark

$ cd cmd/
$ go test -bench .