[jira] [Resolved] (PDFBOX-4898) Pattern-colored stencil mask not interpolating when scaling

["Tilman Hausherr (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-4898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tilman Hausherr resolved PDFBOX-4898.
-------------------------------------
    Resolution: Fixed

Other improved files: 
- gs-bugzilla692158-schleuse-veryslow.pdf (water can now be seen)
- PATTYP2.pdf (smoother)
- pop-bugzilla64892-p3-slow.pdf (better, although not perfect)


> Pattern-colored stencil mask not interpolating when scaling
> -----------------------------------------------------------
>
>                 Key: PDFBOX-4898
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4898
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Rendering
>    Affects Versions: 2.0.20, 3.0.0 PDFBox
>            Reporter: Tilman Hausherr
>            Assignee: Tilman Hausherr
>            Priority: Major
>             Fix For: 3.0.0 PDFBox
>
>
> In PageDrawer.drawImage() there is code (strategy created in PDFBOX-1958) where an image is a stencil and the color space is a pattern. PDFBOX-2171-002-002710-p14.pdf has two areas that have rendered poorly for years, the "New Harmony Consolidated" and "Clay City Consolidated" patterns.
> Using the rendering hints of the "parent" graphics device improves this.



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