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https://issues.apache.org/jira/browse/PDFBOX-1843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-1843:
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Attachment: TestPDFToImage.java
I improved the diff routine: I no longer assume that the images are different
just because the files are different. Plus, I take care that the diff pixels
can be seen, i.e. pixels that are too light are now set darker. Plus some speed
improvement, and size differences are shown as a black border in the diff image.
> Find a way to test PDFToImage
> -----------------------------
>
> Key: PDFBOX-1843
> URL: https://issues.apache.org/jira/browse/PDFBOX-1843
> Project: PDFBox
> Issue Type: Wish
> Affects Versions: 2.0.0
> Reporter: John Hewson
> Labels: test
> Attachments: TestPDFToImage.java
>
>
> The regression tests for PDFToImage are currently disabled because different
> JVMs produce different output because of their different implementations of
> AWT.
> We should investigate if these AWT differences are caused by:
> 1. PNG encoding
> 2. Type 1 font rendering
> 3. anti-aliasing
> 4. line/curve drawing
> If the answer is anything except 4 then there will be a relatively easy fix.
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