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Posted to dev@pdfbox.apache.org by "John Hewson (JIRA)" <ji...@apache.org> on 2014/07/03 03:21:25 UTC

[jira] [Updated] (PDFBOX-2117) AxialShadingContext is slow

     [ https://issues.apache.org/jira/browse/PDFBOX-2117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Hewson updated PDFBOX-2117:
--------------------------------

    Component/s: Rendering

> AxialShadingContext is slow
> ---------------------------
>
>                 Key: PDFBOX-2117
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2117
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Rendering
>            Reporter: Petr Slaby
>         Attachments: 000001_MTEXT_CS6.pdf, AxialShading.patch, AxialShading1.patch, AxialShadingContext.java.getrgbimage, Shading2Function2text.pdf, asy-shade.pdf, color_gradient.pdf, shading_pattern.pdf
>
>
> AxialShadingContext#getRaster() is on top of profiler hot spots in documents that use an axial shading. Inside it, the slowest part is calling PDColorSpaceRGB#toRGB() and PDFunctionType3#eval() (in this order).
>   



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