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https://issues.apache.org/jira/browse/PDFBOX-4411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-4411:
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Fix Version/s: 3.0.0 PDFBox
2.0.14
> Support caching of ICC based color spaces
> -----------------------------------------
>
> Key: PDFBOX-4411
> URL: https://issues.apache.org/jira/browse/PDFBOX-4411
> Project: PDFBox
> Issue Type: Improvement
> Components: Rendering
> Affects Versions: 2.0.13
> Reporter: Itai Shaked
> Priority: Major
> Fix For: 2.0.14, 3.0.0 PDFBox
>
> Attachments: Cache_PDICCBased_color_spaces.patch
>
>
> Following up on PDFBOX-4392 I have noticed ICC color spaces aren't being
> cached in the resource cache, since they are represented not by a `COSObject`
> but rather by a `COSArray` with `COSName` of `ICCBased` as the first element
> and a `COSObject` (the actual profile) as the second element.
> This patch introduces a static `create` method to `PDICCBased` which
> optionally caches/retrieves the color space from cache. Accordingly, the
> constructor taking a `COSArray` has been made private, and the validity tests
> moved to the static `create` method.
> Testing on the example from PDFBOX-4392 the patch improves both time and
> memory consumption. Presumably it will help with any PDF with ICC-based
> profiles which are re-used by many images.
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