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

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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
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14
pkg/modules/exiftool/exiftool.go
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@@ -296,6 +296,20 @@ func (engine *ExifTool) Convert(ctx context.Context, logger *slog.Logger, format
return err
}
// OptimizeImages is not available in this implementation.
func (engine *ExifTool) OptimizeImages(ctx context.Context, logger *slog.Logger, imageQuality int, inputPath string) error {
_, span := gotenberg.Tracer().Start(ctx, "exiftool.OptimizeImages",
trace.WithSpanKind(trace.SpanKindClient),
trace.WithAttributes(engine.spanAttrs()...),
)
defer span.End()
err := fmt.Errorf("optimize PDF images with ExifTool: %w", gotenberg.ErrPdfEngineMethodNotSupported)
span.RecordError(err)
span.SetStatus(codes.Error, err.Error())
return err
}
// ReadMetadata extracts the metadata of a given PDF file by invoking
// the exiftool binary with "-j" (JSON output) and parsing the result.
func (engine *ExifTool) ReadMetadata(ctx context.Context, logger *slog.Logger, inputPath string) (map[string]any, error) {