Alfred created PDFBOX-4916:
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             Summary: Use dedicated scale and translate operations instead of 
concatenate where possible
                 Key: PDFBOX-4916
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4916
             Project: PDFBox
          Issue Type: Improvement
          Components: Text extraction
    Affects Versions: 2.0.20, 3.0.0 PDFBox
            Reporter: Alfred


LegacyPDFStreamEngine does translating and scaling using the generic 
concatenate matrix ops.

A scale or a translate require much less multiplications and so there's room to 
improve there.

I have the code ready and I will submit a patch right away.



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