func mustParseHex(s string) colorful.Color {
c, err := colorful.Hex(s)
if err != nil {
panic("MustParseHex: " + err.Error())
}
return c
}
func Generate(url, fcolor, bcolor, size, logo string) []byte {
var fc, bc color.Color
var bcFmt = []string{"#", "", "", "", "", "", ""}
var qrSize = 300
if size != "" {
qrSize, _ = strconv.Atoi(size)
}
if fcolor != "" {
// println(strings.Join([]string{"#","","","","","",""}, "a"))
fc, _ = colorful.Hex(strings.Join(bcFmt, fcolor))
} else {
fc = color.Black
}
if bcolor != "" {
println(bcolor)
bc, _ = colorful.Hex(strings.Join(bcFmt, bcolor))
} else {
bc = color.White
}
q, e := qrcode.New(url, qrcode.High)
if e != nil {
println(e.Error())
return nil
}
// println(fc)
// println(q)
q.ForegroundColor = fc
q.BackgroundColor = bc
qrPng, _ := q.PNG(qrSize)
qrPng = DrawLogo(qrPng, logo, bc)
return qrPng
}