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https://issues.apache.org/jira/browse/PDFBOX-615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-615:
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Attachment: (was: Type5ShadingContext.java)
> 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, DECAHED.pdf, GouraudShadingContext.java,
> GouraudTriangle.java, LATTICE1.pdf, LATTICE2.pdf,
> PDShadingPatternResources.patch, Type4ShadingContext.java,
> Type4ShadingPaint.java, Type5ShadingContext.java, Type5ShadingPaint.java,
> Vertex.java, axial-input-after.png, axial-input-before.png, axial-input.pdf,
> bugzilla843488.pdf, bugzilla843488.pdf-1.png, color_gradient.pdf,
> color_gradient.pdf-1.png, decahed.pdf-1.png, input.pdf, input1.png,
> lattice1.pdf-1.png, lattice2.pdf-1.png, pdfbox-1.8.patch, pdfbox.patch,
> pslib-shading.pdf, radial-input-after.png, radial-input-before.png,
> radial-input.pdf, shading_pattern.pdf, shading_pattern.pdf-2.png,
> trityp4.pdf-1.png
>
>
> 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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