testsga.go

package main

import (
	_ "github.com/awstanley/go.sga"
	"image"
	"image/png"
	"os"
)

func main() {
	fp, _ := os.Open("map.rgb")
	img, tp, err := image.Decode(fp)
	if err != nil {
		println(err.Error())
		return
	}

	println("type", tp)

	out, _ := os.Create("map.png")
	png.Encode(out, img)
}