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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2018/04/10 16:27:00 UTC

[jira] [Created] (PDFBOX-4187) Refactor LosslessFactory alpha

Tilman Hausherr created PDFBOX-4187:
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             Summary: Refactor LosslessFactory alpha
                 Key: PDFBOX-4187
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4187
             Project: PDFBox
          Issue Type: Improvement
          Components: PDModel
    Affects Versions: 2.0.9, 3.0.0 PDFBox
            Reporter: Tilman Hausherr
            Assignee: Tilman Hausherr
             Fix For: 2.0.10, 3.0.0 PDFBox


While looking into the code for PDFBOX-4184 I noticed that we try to get the alpha data in different ways, despite that it is available in the main method when {{image.getRGB()}} is called. So I'm refactoring all this; as a side effect, my 16 bit change in PDFBOX-4184 is no longer needed.

I'll commit this in two steps; 1) changing the main method and remove the ones that are no longer being used; 2) split the main method in a gray and a color code.



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