savan patel created PDFBOX-4022:
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Summary: Cache ColorSpace instances in PDColorSpace.java
Key: PDFBOX-4022
URL: https://issues.apache.org/jira/browse/PDFBOX-4022
Project: PDFBox
Issue Type: Improvement
Components: Rendering
Affects Versions: 2.0.8, 2.0.7
Environment: Windows 10
Reporter: savan patel
Attachments: PDColorSpace.java.patch, selection.pdf
I have a PDF which contains a lot of Images. Each time, pdfbox parse the image
it uses the colorspace to parse it and most of the time colorspace is the same
object. I tried to cache the colorspace instances in PDColorSpace.java as shown
in the attached patch. For this particular PDF, this change improves the
performance of parsing and rendering the images from 15 minutes down to 3
minutes. I shared the PDF.
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