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feat(libreoffice): add viewer preference form fields

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This commit is contained in:
Julien Neuhart
2026-03-27 19:40:42 +01:00
parent 0b33be17a4
commit bb91259829
5 changed files with 250 additions and 1 deletions
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75
pkg/modules/libreoffice/api/api.go
View File

@@ -140,6 +140,66 @@ type Options struct {
// one page.
SinglePageSheets bool
// InitialView specifies how the PDF document should be displayed when
// opened. 0 = neither outlines nor thumbnails, 1 = outline pane open,
// 2 = thumbnail pane open.
InitialView int
// InitialPage specifies the page on which the PDF document should be
// opened in the viewer.
InitialPage int
// Magnification specifies the action to be performed when the PDF document
// is opened. 0 = default, 1 = fit entire page, 2 = fit page width,
// 3 = fit visible, 4 = use zoom value from Zoom property.
Magnification int
// Zoom specifies the zoom level the PDF document is opened with. Only
// used if Magnification is set to 4.
Zoom int
// PageLayout specifies the page layout when the document is opened.
// 0 = default, 1 = single page, 2 = one column, 3 = two columns.
PageLayout int
// FirstPageOnLeft is used with PageLayout value 3. If true, the first
// page is displayed on the left side.
FirstPageOnLeft bool
// ResizeWindowToInitialPage specifies that the PDF viewer window is
// resized to show the whole initial page.
ResizeWindowToInitialPage bool
// CenterWindow specifies that the PDF viewer window is centered on the
// screen.
CenterWindow bool
// OpenInFullScreenMode specifies that the PDF viewer window is opened
// full screen.
OpenInFullScreenMode bool
// DisplayPDFDocumentTitle specifies that the document title is displayed
// in the PDF viewer title bar.
DisplayPDFDocumentTitle bool
// HideViewerMenubar specifies whether to hide the PDF viewer menubar.
HideViewerMenubar bool
// HideViewerToolbar specifies whether to hide the PDF viewer toolbar.
HideViewerToolbar bool
// HideViewerWindowControls specifies whether to hide the PDF viewer
// window controls.
HideViewerWindowControls bool
// UseTransitionEffects specifies that slide transitions are exported to
// PDF. Only active for Impress documents.
UseTransitionEffects bool
// OpenBookmarkLevels specifies how many bookmark levels should be opened
// in the reader. -1 = all levels, 1-10 = specific level.
OpenBookmarkLevels int
// LosslessImageCompression specifies if images are exported to PDF using
// a lossless compression format like PNG or compressed using the JPEG
// format.
@@ -208,6 +268,21 @@ func DefaultOptions() Options {
SkipEmptyPages: false,
AddOriginalDocumentAsStream: false,
SinglePageSheets: false,
InitialView: 0,
InitialPage: 1,
Magnification: 0,
Zoom: 100,
PageLayout: 0,
FirstPageOnLeft: false,
ResizeWindowToInitialPage: false,
CenterWindow: false,
OpenInFullScreenMode: false,
DisplayPDFDocumentTitle: true,
HideViewerMenubar: false,
HideViewerToolbar: false,
HideViewerWindowControls: false,
UseTransitionEffects: true,
OpenBookmarkLevels: -1,
LosslessImageCompression: false,
Quality: 90,
ReduceImageResolution: false,

15
pkg/modules/libreoffice/api/libreoffice.go
View File

@@ -295,6 +295,21 @@ func (p *libreOfficeProcess) pdf(ctx context.Context, logger *slog.Logger, input
args = append(args, "--export", fmt.Sprintf("IsSkipEmptyPages=%t", options.SkipEmptyPages))
args = append(args, "--export", fmt.Sprintf("IsAddStream=%t", options.AddOriginalDocumentAsStream))
args = append(args, "--export", fmt.Sprintf("SinglePageSheets=%t", options.SinglePageSheets))
args = append(args, "--export", fmt.Sprintf("InitialView=%d", options.InitialView))
args = append(args, "--export", fmt.Sprintf("InitialPage=%d", options.InitialPage))
args = append(args, "--export", fmt.Sprintf("Magnification=%d", options.Magnification))
args = append(args, "--export", fmt.Sprintf("Zoom=%d", options.Zoom))
args = append(args, "--export", fmt.Sprintf("PageLayout=%d", options.PageLayout))
args = append(args, "--export", fmt.Sprintf("FirstPageOnLeft=%t", options.FirstPageOnLeft))
args = append(args, "--export", fmt.Sprintf("ResizeWindowToInitialPage=%t", options.ResizeWindowToInitialPage))
args = append(args, "--export", fmt.Sprintf("CenterWindow=%t", options.CenterWindow))
args = append(args, "--export", fmt.Sprintf("OpenInFullScreenMode=%t", options.OpenInFullScreenMode))
args = append(args, "--export", fmt.Sprintf("DisplayPDFDocumentTitle=%t", options.DisplayPDFDocumentTitle))
args = append(args, "--export", fmt.Sprintf("HideViewerMenubar=%t", options.HideViewerMenubar))
args = append(args, "--export", fmt.Sprintf("HideViewerToolbar=%t", options.HideViewerToolbar))
args = append(args, "--export", fmt.Sprintf("HideViewerWindowControls=%t", options.HideViewerWindowControls))
args = append(args, "--export", fmt.Sprintf("UseTransitionEffects=%t", options.UseTransitionEffects))
args = append(args, "--export", fmt.Sprintf("OpenBookmarkLevels=%d", options.OpenBookmarkLevels))
args = append(args, "--export", fmt.Sprintf("UseLosslessCompression=%t", options.LosslessImageCompression))
args = append(args, "--export", fmt.Sprintf("Quality=%d", options.Quality))
args = append(args, "--export", fmt.Sprintf("ReduceImageResolution=%t", options.ReduceImageResolution))

129
pkg/modules/libreoffice/routes.go
View File

@@ -67,6 +67,21 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
maxImageResolution int
nativeWatermarkText string
nativeWatermarkColor int
initialView int
initialPage int
magnification int
zoom int
pageLayout int
firstPageOnLeft bool
resizeWindowToInitialPage bool
centerWindow bool
openInFullScreenMode bool
displayPDFDocumentTitle bool
hideViewerMenubar bool
hideViewerToolbar bool
hideViewerWindowControls bool
useTransitionEffects bool
openBookmarkLevels int
nativeWatermarkFontHeight int
nativeWatermarkRotateAngle int
nativeWatermarkFontName string
@@ -97,6 +112,105 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
Bool("skipEmptyPages", &skipEmptyPages, defaultOptions.SkipEmptyPages).
Bool("addOriginalDocumentAsStream", &addOriginalDocumentAsStream, defaultOptions.AddOriginalDocumentAsStream).
Bool("singlePageSheets", &singlePageSheets, defaultOptions.SinglePageSheets).
Custom("initialView", func(value string) error {
if value == "" {
initialView = defaultOptions.InitialView
return nil
}
intValue, err := strconv.Atoi(value)
if err != nil {
return err
}
if !slices.Contains([]int{0, 1, 2}, intValue) {
return errors.New("value is not 0, 1 or 2")
}
initialView = intValue
return nil
}).
Custom("initialPage", func(value string) error {
if value == "" {
initialPage = defaultOptions.InitialPage
return nil
}
intValue, err := strconv.Atoi(value)
if err != nil {
return err
}
if intValue < 1 {
return errors.New("value is inferior to 1")
}
initialPage = intValue
return nil
}).
Custom("magnification", func(value string) error {
if value == "" {
magnification = defaultOptions.Magnification
return nil
}
intValue, err := strconv.Atoi(value)
if err != nil {
return err
}
if !slices.Contains([]int{0, 1, 2, 3, 4}, intValue) {
return errors.New("value is not 0, 1, 2, 3 or 4")
}
magnification = intValue
return nil
}).
Custom("zoom", func(value string) error {
if value == "" {
zoom = defaultOptions.Zoom
return nil
}
intValue, err := strconv.Atoi(value)
if err != nil {
return err
}
if intValue < 1 {
return errors.New("value is inferior to 1")
}
zoom = intValue
return nil
}).
Custom("pageLayout", func(value string) error {
if value == "" {
pageLayout = defaultOptions.PageLayout
return nil
}
intValue, err := strconv.Atoi(value)
if err != nil {
return err
}
if !slices.Contains([]int{0, 1, 2, 3}, intValue) {
return errors.New("value is not 0, 1, 2 or 3")
}
pageLayout = intValue
return nil
}).
Bool("firstPageOnLeft", &firstPageOnLeft, defaultOptions.FirstPageOnLeft).
Bool("resizeWindowToInitialPage", &resizeWindowToInitialPage, defaultOptions.ResizeWindowToInitialPage).
Bool("centerWindow", &centerWindow, defaultOptions.CenterWindow).
Bool("openInFullScreenMode", &openInFullScreenMode, defaultOptions.OpenInFullScreenMode).
Bool("displayPDFDocumentTitle", &displayPDFDocumentTitle, defaultOptions.DisplayPDFDocumentTitle).
Bool("hideViewerMenubar", &hideViewerMenubar, defaultOptions.HideViewerMenubar).
Bool("hideViewerToolbar", &hideViewerToolbar, defaultOptions.HideViewerToolbar).
Bool("hideViewerWindowControls", &hideViewerWindowControls, defaultOptions.HideViewerWindowControls).
Bool("useTransitionEffects", &useTransitionEffects, defaultOptions.UseTransitionEffects).
Custom("openBookmarkLevels", func(value string) error {
if value == "" {
openBookmarkLevels = defaultOptions.OpenBookmarkLevels
return nil
}
intValue, err := strconv.Atoi(value)
if err != nil {
return err
}
if intValue != -1 && (intValue < 1 || intValue > 10) {
return errors.New("value is not -1 or between 1 and 10")
}
openBookmarkLevels = intValue
return nil
}).
Bool("losslessImageCompression", &losslessImageCompression, defaultOptions.LosslessImageCompression).
Custom("quality", func(value string) error {
if value == "" {
@@ -227,6 +341,21 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
SkipEmptyPages: skipEmptyPages,
AddOriginalDocumentAsStream: addOriginalDocumentAsStream,
SinglePageSheets: singlePageSheets,
InitialView: initialView,
InitialPage: initialPage,
Magnification: magnification,
Zoom: zoom,
PageLayout: pageLayout,
FirstPageOnLeft: firstPageOnLeft,
ResizeWindowToInitialPage: resizeWindowToInitialPage,
CenterWindow: centerWindow,
OpenInFullScreenMode: openInFullScreenMode,
DisplayPDFDocumentTitle: displayPDFDocumentTitle,
HideViewerMenubar: hideViewerMenubar,
HideViewerToolbar: hideViewerToolbar,
HideViewerWindowControls: hideViewerWindowControls,
UseTransitionEffects: useTransitionEffects,
OpenBookmarkLevels: openBookmarkLevels,
LosslessImageCompression: losslessImageCompression,
Quality: quality,
ReduceImageResolution: reduceImageResolution,