Page Mode

Page Mode

Control which panel viewers show when the document is opened.

Values:

Value	Meaning
UseNone	no outline, no thumbnails (default)
UseOutlines	document outline (bookmarks) visible
UseThumbs	thumbnail images visible
FullScreen	full-screen, no UI
UseOC	optional content group panel (PDF 1.5+)
UseAttachments	attachments panel (PDF 1.6+)

Command line

pdfcpu2 pagemode list in.pdf
pdfcpu2 pagemode set in.pdf UseOutlines
pdfcpu2 pagemode reset in.pdf
cat ebook.pdf | pdfcpu2 pagemode set - UseOutlines - > ebook-outlines.pdf

Go API

package main

import (
	"context"

	"github.com/huzpsb/pdfcpu2/pkg/api"
	"github.com/huzpsb/pdfcpu2/pkg/pdfcpu/model"
)

func main() {
	ctx := context.Background()
	conf := model.NewDefaultConfiguration()

	err := api.SetPageModeFile(ctx, "in.pdf", "out.pdf", model.PageModeUseOutlines, conf)
	if err != nil {
		panic(err)
	}

	ss, _ := api.ListPageModeFile(ctx, "in.pdf", conf)
	_ = ss

	_ = api.ResetPageModeFile(ctx, "in.pdf", "out2.pdf", conf)
}

Related: Page Layout, Viewer Preferences, Bookmarks.