PDFBox performance issue: PDSimpleFont, PDFont performance tweaks
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Key: PDFBOX-601
URL: https://issues.apache.org/jira/browse/PDFBOX-601
Project: PDFBox
Issue Type: Improvement
Components: PDModel
Affects Versions: 0.8.0-incubator
Environment: All
Reporter: Mel Martinez
During text extraction, font size / descriptor / encoding attributes are
accessed repeatedly in order to do positional calculations and byte-character
conversions.
The current code has several accessors for these things that redo rather slow
calculations each time - even thought the font object state is not changed.
The results of these calculations should be persisted in instance fields once
calculated. This greatly improves performance.
I'll attach new versions of PDFont, PDFontDescriptorDictionary and PDSimpleFont
that have these tweaks.
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