diff options
| -rw-r--r-- | fpdf_test.go | 16 | ||||
| -rw-r--r-- | template.go | 1 | ||||
| -rw-r--r-- | template_impl.go | 17 |
3 files changed, 21 insertions, 13 deletions
diff --git a/fpdf_test.go b/fpdf_test.go index e212d95..19bc533 100644 --- a/fpdf_test.go +++ b/fpdf_test.go @@ -19,7 +19,6 @@ package gofpdf_test import ( "bufio" "bytes" - "encoding/gob" "fmt" "io" "io/ioutil" @@ -1951,18 +1950,9 @@ func ExampleFpdf_CreateTemplate() { pdf.SetLineWidth(2.5) pdf.SetFont("Arial", "B", 16) - template3 := new(gofpdf.FpdfTpl) - b := new(bytes.Buffer) - enc := gob.NewEncoder(b) - - if err := enc.Encode(template); err != nil { - pdf.SetError(err) - } - - dec := gob.NewDecoder(b) - if err := dec.Decode(template3); err != nil { - pdf.SetError(err) - } + // serialize and deserialize template + b, _ := template2.Serialize() + template3, _ := gofpdf.DeserializeTemplate(b) pdf.AddPage() pdf.UseTemplate(template3) diff --git a/template.go b/template.go index 2b886ed..9abdf62 100644 --- a/template.go +++ b/template.go @@ -108,6 +108,7 @@ type Template interface { Bytes() []byte Images() map[string]*ImageInfoType Templates() []Template + Serialize() ([]byte, error) gob.GobDecoder gob.GobEncoder } diff --git a/template_impl.go b/template_impl.go index 001b2d9..9c690c1 100644 --- a/template_impl.go +++ b/template_impl.go @@ -86,6 +86,23 @@ func (t *FpdfTpl) Templates() []Template { return t.templates } +// Turn a template into a byte string for later deserialization +func (t *FpdfTpl) Serialize() ([]byte, error) { + b := new(bytes.Buffer) + enc := gob.NewEncoder(b) + err := enc.Encode(t) + + return b.Bytes(), err +} + +// Create a template from a previously serialized template +func DeserializeTemplate(b []byte) (Template, error) { + tpl := new(FpdfTpl) + dec := gob.NewDecoder(bytes.NewBuffer(b)) + err := dec.Decode(tpl) + return tpl, err +} + // returns the next layer of children images, it doesn't dig into // children of children. Applies template namespace to keys to ensure // no collisions. See UseTemplateScaled |