Hi together
I create a simple pdf with some simple formats with gofpdf and would print this pdf with a labelprinter on a windows machine. it works with simple text, but not with pdf. has someone an example for me? that would be great.
i pass the output as a byte slice from gofpdf to this function. but i get printer errors:
var buf bytes.Buffer
pdf.Output(&buf)
print2(buf.Bytes())
func print2(content []byte) {
fmt.Println(string(content))
name, err := prt.Default() // returns name of Default Printer as string
if err != nil {
fmt.Println(err)
}
fmt.Println(name)
p, err := prt.Open(name) // Opens the named printer and returns a *Printer
if err != nil {
fmt.Println(err)
}
//err = p.StartDocument("test", "text") // test: doc name, text: doc type
err = p.StartDocument("test", "RAW")
if err != nil {
fmt.Println(err)
}
err = p.StartPage() // begin a new page
if err != nil {
fmt.Println(err)
}
//n, err := p.Write([]byte("Hello, Printer!")) // Send some text to the printer
n, err := p.Write(content) // Send some text to the printer
if err != nil {
fmt.Println(err)
}
fmt.Println("Num of bytes written to printer:", n)
err = p.EndPage() // end of page
if err != nil {
fmt.Println(err)
}
err = p.EndDocument() // end of document
if err != nil {
fmt.Println(err)
}
err = p.Close() // close the resource
if err != nil {
fmt.Println(err)
}
}
Or is it possible to send the file generated with gofpdf to the printer directly? I have no idea anymore…
Thanks for your help!