// Page size example
func ExampleFpdf_tutorial15() {
pdf := gofpdf.NewCustom(&gofpdf.InitType{
UnitStr: "in",
Size: gofpdf.SizeType{Wd: 6, Ht: 6},
FontDirStr: cnFontDir,
})
pdf.SetMargins(0.5, 1, 0.5)
pdf.SetFont("Times", "", 14)
pdf.AddPageFormat("L", gofpdf.SizeType{Wd: 3, Ht: 12})
pdf.SetXY(0.5, 1.5)
pdf.CellFormat(11, 0.2, "12 in x 3 in", "", 0, "C", false, 0, "")
pdf.AddPage() // Default size established in NewCustom()
pdf.SetXY(0.5, 3)
pdf.CellFormat(5, 0.2, "6 in x 6 in", "", 0, "C", false, 0, "")
pdf.AddPageFormat("P", gofpdf.SizeType{Wd: 3, Ht: 12})
pdf.SetXY(0.5, 6)
pdf.CellFormat(2, 0.2, "3 in x 12 in", "", 0, "C", false, 0, "")
for j := 0; j <= 3; j++ {
wd, ht, u := pdf.PageSize(j)
fmt.Printf("%d: %6.2f %s, %6.2f %s\n", j, wd, u, ht, u)
}
pdf.OutputAndClose(docWriter(pdf, 15))
// Output:
// 0: 6.00 in, 6.00 in
// 1: 12.00 in, 3.00 in
// 2: 6.00 in, 6.00 in
// 3: 3.00 in, 12.00 in
// Successfully generated pdf/tutorial15.pdf
}
func Barcode(data string) (pdf *gofpdf.Fpdf, err error) {
b, err := code128.Encode(data)
if err != nil {
return
}
b, err = barcode.Scale(b, b.Bounds().Size().X, 10)
if err != nil {
panic(err)
}
out, err := ioutil.TempFile("", "lblmgrpnpbarcode")
if err != nil {
panic(err)
}
var opt jpeg.Options
opt.Quality = 100
err = jpeg.Encode(out, b, &opt)
if err != nil {
return
}
imgHeight := float64(b.Bounds().Size().Y)
imgWidth := float64(b.Bounds().Size().X / 3)
pdf = gofpdf.NewCustom(&gofpdf.InitType{
UnitStr: "mm",
Size: gofpdf.SizeType{Wd: imgWidth, Ht: imgHeight},
})
pdf.AddPage()
height, width := pdf.GetPageSize()
pdf.Image(out.Name(), 0, 0, height, width, false, "jpg", 0, "")
pdf.SetFillColor(255, 255, 255)
pdf.Rect(0, 7, imgWidth, 5, "F")
pdf.SetFont("Arial", "B", 6)
pdf.Text(0, 9.1, data)
out.Close()
os.Remove(out.Name())
return
}
// NewGoFpdf generates a new layout based on a Layout interface and uses the
// jung-kurt/gofpdf library to process all the information.
func NewGoFpdf(l layouts.Layout) (pdf *GoFpdf) {
init := &gofpdf.InitType{
OrientationStr: l.Orientation(),
UnitStr: l.Unit(),
Size: gofpdf.SizeType{Wd: l.Width(), Ht: l.Height()},
FontDirStr: "./fonts",
}
fpdf := gofpdf.NewCustom(init)
fpdf.SetMargins(0, 0, 0)
fpdf.AddPage()
fpdf.SetAutoPageBreak(true, 0)
pdf = new(GoFpdf)
pdf.fpdf = fpdf
pdf.layout = l
for fontName, fontStyles := range l.Fonts() {
pdf.LoadFonts(fontName, fontStyles)
}
return
}