package barcode_test import ( "testing" "github.com/boombuler/barcode/code128" "github.com/boombuler/barcode/qr" "github.com/jung-kurt/gofpdf" "github.com/jung-kurt/gofpdf/contrib/barcode" "github.com/jung-kurt/gofpdf/internal/example" ) func createPdf() (pdf *gofpdf.Fpdf) { pdf = gofpdf.New("L", "mm", "A4", "") pdf.SetFont("Helvetica", "", 12) pdf.SetFillColor(200, 200, 220) pdf.AddPage() return } func ExampleRegister() { pdf := createPdf() fileStr := example.Filename("contrib_barcode_Register") bcode, err := code128.Encode("gofpdf") if err == nil { key := barcode.Register(bcode) var width float64 = 100 var height float64 = 10.0 barcode.BarcodeUnscalable(pdf, key, 15, 15, &width, &height, false) } err = pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_Register.pdf } func ExampleRegisterCodabar() { pdf := createPdf() key := barcode.RegisterCode128(pdf, "codabar") var width float64 = 100 var height float64 = 10 barcode.BarcodeUnscalable(pdf, key, 15, 15, &width, &height, false) fileStr := example.Filename("contrib_barcode_RegisterCodabar") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_RegisterCodabar.pdf } func ExampleRegisterAztec() { pdf := createPdf() key := barcode.RegisterAztec(pdf, "aztec", 33, 0) barcode.Barcode(pdf, key, 15, 15, 100, 100, false) fileStr := example.Filename("contrib_barcode_RegisterAztec") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_RegisterAztec.pdf } func ExampleRegisterCode128() { pdf := createPdf() key := barcode.RegisterCode128(pdf, "code128") barcode.Barcode(pdf, key, 15, 15, 100, 10, false) fileStr := example.Filename("contrib_barcode_RegisterCode128") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_RegisterCode128.pdf } func ExampleRegisterCode39() { pdf := createPdf() key := barcode.RegisterCode39(pdf, "CODE39", false, true) barcode.Barcode(pdf, key, 15, 15, 100, 10, false) fileStr := example.Filename("contrib_barcode_RegisterCode39") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_RegisterCode39.pdf } func ExampleRegisterDataMatrix() { pdf := createPdf() key := barcode.RegisterDataMatrix(pdf, "datamatrix") barcode.Barcode(pdf, key, 15, 15, 20, 20, false) fileStr := example.Filename("contrib_barcode_RegisterDataMatrix") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_RegisterDataMatrix.pdf } func ExampleRegisterEAN() { pdf := createPdf() key := barcode.RegisterEAN(pdf, "96385074") barcode.Barcode(pdf, key, 15, 15, 100, 10, false) fileStr := example.Filename("contrib_barcode_RegisterEAN") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_RegisterEAN.pdf } func ExampleRegisterQR() { pdf := createPdf() key := barcode.RegisterQR(pdf, "qrcode", qr.H, qr.Unicode) barcode.Barcode(pdf, key, 15, 15, 100, 10, false) fileStr := example.Filename("contrib_barcode_RegisterQR") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_RegisterQR.pdf } func ExampleRegisterTwoOfFive() { pdf := createPdf() key := barcode.RegisterTwoOfFive(pdf, "1234567895", true) barcode.Barcode(pdf, key, 15, 15, 100, 10, false) fileStr := example.Filename("contrib_barcode_RegisterTwoOfFive") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_RegisterTwoOfFive.pdf } func ExampleRegisterPdf417() { pdf := createPdf() key := barcode.RegisterPdf417(pdf, "1234567895", 10, 5) barcode.Barcode(pdf, key, 15, 15, 100, 10, false) fileStr := example.Filename("contrib_barcode_RegisterPdf417") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_RegisterPdf417.pdf } // This test ensures that no panic arises when an invalid barcode is registered. func TestRegisterCode128(t *testing.T) { pdf := createPdf() barcode.RegisterCode128(pdf, "Invalid character: é") } // Shows that the barcode may be scaled or not by providing optional heights and widths. func TestBarcodeUnscalable(t *testing.T) { pdf := createPdf() key := barcode.RegisterCode128(pdf, "code128") var width float64 = 100 var height float64 = 10 barcode.BarcodeUnscalable(pdf, key, 15, 15, &width, &height, false) barcode.BarcodeUnscalable(pdf, key, 15, 35, nil, &height, false) barcode.BarcodeUnscalable(pdf, key, 15, 55, &width, nil, false) barcode.BarcodeUnscalable(pdf, key, 15, 75, nil, nil, false) fileStr := example.Filename("contrib_barcode_Barcode") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_Barcode.pdf } // Shows that the width and height returned by the function match that of the barcode func TestGetUnscaledBarcodeDimensions(t *testing.T) { pdf := createPdf() key := barcode.RegisterQR(pdf, "qrcode", qr.H, qr.Unicode) barcode.BarcodeUnscalable(pdf, key, 15, 15, nil, nil, false) w, h := barcode.GetUnscaledBarcodeDimensions(pdf, key) pdf.SetDrawColor(255, 0, 0) pdf.Line(15, 15, 15+w, 15+h) fileStr := example.Filename("contrib_barcode_GetBarcodeDimensions") err := pdf.OutputFileAndClose(fileStr) example.Summary(err, fileStr) // Output: // Successfully generated ../../pdf/contrib_barcode_GetBarcodeDimensions.pdf }