func ascii(code *qr.Code) string {
var buf bytes.Buffer
buf.WriteString("\n")
for row := 0; row < code.Size; row++ {
buf.WriteString(" ")
for col := 0; col < code.Size; col++ {
if code.Black(col, row) {
buf.WriteString("#")
} else {
buf.WriteString(" ")
}
}
buf.WriteString("\n")
}
buf.WriteString("\n")
return buf.String()
}
func terminal(code *qr.Code) string {
var buf bytes.Buffer
line := strings.Repeat(white, code.Size+2)
buf.WriteString(line + "\n")
for row := 0; row < code.Size; row++ {
buf.WriteString(white)
for col := 0; col < code.Size; col++ {
if code.Black(col, row) {
buf.WriteString(black)
} else {
buf.WriteString(white)
}
}
buf.WriteString(white + "\n")
}
buf.WriteString(line + "\n")
return buf.String()
}