diff options
| -rw-r--r-- | contrib/gofpdi/gofpdi_test.go | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/contrib/gofpdi/gofpdi_test.go b/contrib/gofpdi/gofpdi_test.go new file mode 100644 index 0000000..1ecc5ca --- /dev/null +++ b/contrib/gofpdi/gofpdi_test.go @@ -0,0 +1,52 @@ +package gofpdi + +import ( + "bytes" + "github.com/jung-kurt/gofpdf" + "github.com/jung-kurt/gofpdf/internal/example" + "io" +) + +func ExampleGofpdiImporter() { + // create new pdf + pdf := gofpdf.New("P", "pt", "A4", "") + + // for testing purposes, get an arbitrary template pdf as stream + rs, _ := getTemplatePdf() + + // create a new Importer instance + imp := NewImporter() + + // import first page and determine page sizes + tpl := imp.ImportPageFromStream(pdf, &rs, 1, "/MediaBox") + pageSizes := imp.GetPageSizes() + nrPages := len(imp.GetPageSizes()) + + // add all pages from template pdf + for i := 1; i <= nrPages; i++ { + pdf.AddPage() + if i > 1 { + tpl = imp.ImportPageFromStream(pdf, &rs, i, "/MediaBox") + } + imp.UseImportedTemplate(pdf, tpl, 0, 0, pageSizes[i]["/MediaBox"]["w"], pageSizes[i]["/MediaBox"]["h"]) + } + + // output + fileStr := example.Filename("contrib_gofpdi_Importer") + err := pdf.OutputFileAndClose(fileStr) + example.Summary(err, fileStr) + // Output: + // Successfully generated ../../pdf/contrib_gofpdi_Importer.pdf +} + +func getTemplatePdf() (io.ReadSeeker, error) { + tpdf := gofpdf.New("P", "pt", "A4", "") + tpdf.AddPage() + tpdf.SetFont("Arial", "", 12) + tpdf.Text(20, 20, "Example Page 1") + tpdf.AddPage() + tpdf.Text(20, 20, "Example Page 2") + tbuf := bytes.Buffer{} + err := tpdf.Output(&tbuf) + return bytes.NewReader(tbuf.Bytes()), err +} |