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

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Julien Neuhart
2026-08-13 19:39:09 +02:00
parent 7a730cfdc2
commit 1ac1d9887e
29 changed files with 776 additions and 5 deletions
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6
pkg/gotenberg/pdfengine.go
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@@ -281,6 +281,12 @@ type PdfEngine interface {
// PdfFormats. If no format, it does nothing.
Convert(ctx context.Context, logger *slog.Logger, formats PdfFormats, inputPath, outputPath string) error
// OptimizeImages re-encodes the raster images of a PDF in place to shrink
// the file, leaving text, vectors, fonts and structure untouched.
// imageQuality is the JPEG quality (1 to 100) applied to each re-encoded
// image.
OptimizeImages(ctx context.Context, logger *slog.Logger, imageQuality int, inputPath string) error
// ReadMetadata extracts the metadata of a given PDF file.
ReadMetadata(ctx context.Context, logger *slog.Logger, inputPath string) (map[string]any, error)