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authormatthias <matthias@steuerbot.com>2019-08-15 17:27:56 +0200
committermatthias <matthias@steuerbot.com>2019-08-15 17:27:56 +0200
commit03b1cc4baaf3f7c9ae441b711e18fdd5671a5dd4 (patch)
treefc5241bc731c6b456408da65ed7d6b45312f177b /contrib
parente697c5fb90d8afbc84be98bfec2154653e03382b (diff)
add simple example
Diffstat (limited to 'contrib')
-rw-r--r--contrib/gofpdi/gofpdi_test.go52
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
+}