Preserve compressed streams to speed up the process

oxplot · oxplot · commit 210be8db269b · 2018-12-01T14:00:51.000+11:00
diff --git a/main.go b/main.go
@@ -555,7 +555,7 @@ func convertToOptimizedPDF(in string, out string) error {
 		return err
 	}
 	q.SetObjectStreamMode(qpdf.ObjectStreamGenerate)
-	q.SetStreamDataMode(qpdf.StreamDataCompress)
+	q.SetStreamDataMode(qpdf.StreamDataPreserve)
 	if err := q.Write(); err != nil {
 		return err
 	}
@@ -589,7 +589,7 @@ func convertToQDF(in string) (string, error) {
 	}
 	q.SetQDFMode(true)
 	q.SetObjectStreamMode(qpdf.ObjectStreamDisable)
-	q.SetStreamDataMode(qpdf.StreamDataUncompress)
+	q.SetStreamDataMode(qpdf.StreamDataPreserve)
 	if err := q.Write(); err != nil {
 		return "", err
 	}

Original file line number	Diff line number	Diff line change
`@@ -555,7 +555,7 @@ func convertToOptimizedPDF(in string, out string) error {`
`555`	`555`	`return err`
`556`	`556`	`}`
`557`	`557`	`q.SetObjectStreamMode(qpdf.ObjectStreamGenerate)`
`558`		`- q.SetStreamDataMode(qpdf.StreamDataCompress)`
	`558`	`+ q.SetStreamDataMode(qpdf.StreamDataPreserve)`
`559`	`559`	`if err := q.Write(); err != nil {`
`560`	`560`	`return err`
`561`	`561`	`}`
`@@ -589,7 +589,7 @@ func convertToQDF(in string) (string, error) {`
`589`	`589`	`}`
`590`	`590`	`q.SetQDFMode(true)`
`591`	`591`	`q.SetObjectStreamMode(qpdf.ObjectStreamDisable)`
`592`		`- q.SetStreamDataMode(qpdf.StreamDataUncompress)`
	`592`	`+ q.SetStreamDataMode(qpdf.StreamDataPreserve)`
`593`	`593`	`if err := q.Write(); err != nil {`
`594`	`594`	`return "", err`
`595`	`595`	`}`