adalal/gotenberg
1
0
Fork 0
mirror of https://github.com/gotenberg/gotenberg.git synced 2026-08-15 20:02:15 +01:00
Code Issues Packages Projects Releases Wiki Activity

feat(pdfengines): optimize PDF images to reduce file size (#359)

Browse Source
This commit is contained in:
Julien Neuhart
2026-08-13 19:39:09 +02:00
parent 7a730cfdc2
commit 1ac1d9887e
29 changed files with 776 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
pkg/modules/chromium/routes.go
View File

@@ -479,6 +479,7 @@ func convertUrlRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
stamp := pdfengines.FormDataPdfStamp(form, false)
stampFile := pdfengines.FormDataPdfStampFile(form)
rotateAngle, rotatePages := pdfengines.FormDataPdfRotate(form, false)
optimizeImages, imageQuality := pdfengines.FormDataPdfOptimize(form)
embedsMetadata := pdfengines.FormDataPdfEmbedsMetadata(form)
facturX, facturxXmlPath := pdfengines.FormDataPdfFacturX(form)
@@ -504,7 +505,7 @@ func convertUrlRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
return fmt.Errorf("validate stamp: %w", err)
}
err = convertUrl(ctx, chromium, engine, url, options, mode, pdfFormats, metadata, encrypt, embedPaths, embedsMetadata, facturX, facturxXmlPath, watermark, stamp, rotateAngle, rotatePages)
err = convertUrl(ctx, chromium, engine, url, options, mode, pdfFormats, metadata, encrypt, embedPaths, embedsMetadata, facturX, facturxXmlPath, watermark, stamp, rotateAngle, rotatePages, optimizeImages, imageQuality)
if err != nil {
return fmt.Errorf("convert URL to PDF: %w", err)
}
@@ -568,6 +569,7 @@ func convertHtmlRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
stamp := pdfengines.FormDataPdfStamp(form, false)
stampFile := pdfengines.FormDataPdfStampFile(form)
rotateAngle, rotatePages := pdfengines.FormDataPdfRotate(form, false)
optimizeImages, imageQuality := pdfengines.FormDataPdfOptimize(form)
embedsMetadata := pdfengines.FormDataPdfEmbedsMetadata(form)
facturX, facturxXmlPath := pdfengines.FormDataPdfFacturX(form)
@@ -590,7 +592,7 @@ func convertHtmlRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
url := fmt.Sprintf("file://%s", inputPath)
options.AllowedFilePrefixes = []string{ctx.DirPath()}
err = convertUrl(ctx, chromium, engine, url, options, mode, pdfFormats, metadata, encrypt, embedPaths, embedsMetadata, facturX, facturxXmlPath, watermark, stamp, rotateAngle, rotatePages)
err = convertUrl(ctx, chromium, engine, url, options, mode, pdfFormats, metadata, encrypt, embedPaths, embedsMetadata, facturX, facturxXmlPath, watermark, stamp, rotateAngle, rotatePages, optimizeImages, imageQuality)
if err != nil {
return fmt.Errorf("convert HTML to PDF: %w", err)
}
@@ -651,6 +653,7 @@ func convertMarkdownRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
stamp := pdfengines.FormDataPdfStamp(form, false)
stampFile := pdfengines.FormDataPdfStampFile(form)
rotateAngle, rotatePages := pdfengines.FormDataPdfRotate(form, false)
optimizeImages, imageQuality := pdfengines.FormDataPdfOptimize(form)
embedsMetadata := pdfengines.FormDataPdfEmbedsMetadata(form)
facturX, facturxXmlPath := pdfengines.FormDataPdfFacturX(form)
@@ -682,7 +685,7 @@ func convertMarkdownRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
}
options.AllowedFilePrefixes = []string{ctx.DirPath()}
err = convertUrl(ctx, chromium, engine, url, options, mode, pdfFormats, metadata, encrypt, embedPaths, embedsMetadata, facturX, facturxXmlPath, watermark, stamp, rotateAngle, rotatePages)
err = convertUrl(ctx, chromium, engine, url, options, mode, pdfFormats, metadata, encrypt, embedPaths, embedsMetadata, facturX, facturxXmlPath, watermark, stamp, rotateAngle, rotatePages, optimizeImages, imageQuality)
if err != nil {
return fmt.Errorf("convert markdown to PDF: %w", err)
}
@@ -807,7 +810,7 @@ func markdownToHtml(ctx *api.Context, inputPath string, markdownPaths []string)
return fmt.Sprintf("file://%s", inputPath), nil
}
func convertUrl(ctx *api.Context, chromium Api, engine gotenberg.PdfEngine, url string, options PdfOptions, mode gotenberg.SplitMode, pdfFormats gotenberg.PdfFormats, metadata map[string]any, encrypt gotenberg.EncryptOptions, embedPaths []string, embedsMetadata map[string]map[string]string, facturX gotenberg.FacturX, facturxXmlPath string, watermark, stamp gotenberg.Stamp, rotateAngle int, rotatePages string) error {
func convertUrl(ctx *api.Context, chromium Api, engine gotenberg.PdfEngine, url string, options PdfOptions, mode gotenberg.SplitMode, pdfFormats gotenberg.PdfFormats, metadata map[string]any, encrypt gotenberg.EncryptOptions, embedPaths []string, embedsMetadata map[string]map[string]string, facturX gotenberg.FacturX, facturxXmlPath string, watermark, stamp gotenberg.Stamp, rotateAngle int, rotatePages string, optimizeImages bool, imageQuality int) error {
outputPath := ctx.GeneratePath(".pdf")
// See https://github.com/gotenberg/gotenberg/issues/1130.
filename := ctx.OutputFilename(outputPath)
@@ -904,6 +907,11 @@ func convertUrl(ctx *api.Context, chromium Api, engine gotenberg.PdfEngine, url
return fmt.Errorf("rotate PDFs: %w", err)
}
err = pdfengines.OptimizeStub(ctx, engine, optimizeImages, imageQuality, outputPaths)
if err != nil {
return fmt.Errorf("optimize PDF images: %w", err)
}
pdfFormats = pdfengines.FacturXPdfFormats(ctx, engine, facturX, pdfFormats, true, nil)
convertOutputPaths, err := pdfengines.ConvertStub(ctx, engine, pdfFormats, outputPaths)