Tryanks/pdfsign
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This commit is contained in:
Paul van Brouwershaven
2022-06-30 18:04:25 +02:00
parent 0e77069efa
commit 44ac3c7806
8 changed files with 87 additions and 54 deletions
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12
sign/pdfxref.go
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@@ -84,8 +84,8 @@ func (context *SignContext) writeXrefStream() error {
predictor := context.PDFReader.Trailer().Key("DecodeParms").Key("Predictor").Int64()
streamBytes := []byte{}
err := errors.New("")
var streamBytes []byte
var err error
writeXrefStreamLine(buffer, 1, int(context.Filesize), 0)
writeXrefStreamLine(buffer, 1, int(context.Filesize+context.VisualSignData.Length), 0)
@@ -171,7 +171,9 @@ func EncodePNGSUBBytes(columns int, data []byte) ([]byte, error) {
var b bytes.Buffer
w := zlib.NewWriter(&b)
w.Write(data)
if _, err := w.Write(data); err != nil {
return nil, err
}
w.Close()
return b.Bytes(), nil
@@ -209,7 +211,9 @@ func EncodePNGUPBytes(columns int, data []byte) ([]byte, error) {
var b bytes.Buffer
w := zlib.NewWriter(&b)
w.Write(data)
if _, err := w.Write(data); err != nil {
return nil, err
}
w.Close()
return b.Bytes(), nil