func docWriter(pdf *gofpdf.Fpdf, idx int) *pdfWriter {
pw := new(pdfWriter)
pw.pdf = pdf
pw.idx = idx
if pdf.Ok() {
var err error
fileStr := fmt.Sprintf("%s/pdf/tutorial%02d.pdf", cnGofpdfDir, idx)
pw.fl, err = os.Create(fileStr)
if err != nil {
pdf.SetErrorf("Error opening output file %s", fileStr)
}
}
return pw
}
func tutorialSummary(f *gofpdf.Fpdf, fileStr string) {
if f.Ok() {
fl, err := os.Create(fileStr)
defer fl.Close()
if err == nil {
f.Output(fl)
} else {
f.SetError(err)
}
}
if f.Ok() {
fmt.Printf("Successfully generated %s\n", fileStr)
} else {
errPrintf("%s\n", f.Error())
}
}