[jira] [Commented] (PDFBOX-615) shfill operator needs implementation

["Andreas Lehmkühler (Commented JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13192332#comment-13192332 ] 

Andreas Lehmkühler commented on PDFBOX-615:
-------------------------------------------

I added an implementation for an axial shading to be used in combination with the sh operator in revision 1235384. At least the shading of the attached pdf looks good to me. Probably I'll be able to implement the radial shading as well, as long as I'll find a sample pdf using it.
                
> shfill operator needs implementation
> ------------------------------------
>
>                 Key: PDFBOX-615
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-615
>             Project: PDFBox
>          Issue Type: New Feature
>          Components: PDModel
>            Reporter: Daniel Wilson
>            Assignee: Daniel Wilson
>         Attachments: Centerplan.pdf
>
>
> I have a PDF file (for which I do not yet have release permission) that uses the "sh" operator, equivalent to PostScript's shfill (per PDF spec 1.7 page 987).
> Adobe provides implementation guidance in a 78-page document at http://www.adobe.com/devnet/postscript/pdfs/TN5600.SmoothShading.pdf#17
> I will be trying to add this functionality this week, but if anyone has hints, suggestions, etc. they are most certainly welcome!

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