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https://issues.apache.org/jira/browse/PDFBOX-1936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13940718#comment-13940718
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John Hewson edited comment on PDFBOX-1936 at 3/22/14 7:49 PM:
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The section of the PDF spec "General Properties of Patterns" applies to shading
patterns as well as tiling patterns, so the matrix for a shading pattern also
needs to be calculated using it's parent stream's initial transform, instead of
using the CTM, which is the same issue being faced in PDFBOX-1094.
This might not be the cause of the problem you're seeing but it's a known
limitation which currently affects the affine transform values.
was (Author: jahewson):
The section of the PDF spec "General Properties of Patterns" applies to shading
patterns as well as tiling patterns, so the matrix for a shading pattern also
needs to be calculated using it's parent stream's initial transform, instead of
using the CTM, which is the same issue being faced in PDFBOX-1094.
This might not be the cause of the problem you're seeing but it' a known
limitation which currently affects the affine transform values.
> text outline with shading pattern is invisible
> ----------------------------------------------
>
> Key: PDFBOX-1936
> URL: https://issues.apache.org/jira/browse/PDFBOX-1936
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Labels: shading, shadingpattern
> Attachments: color_gradient.pdf, color_gradient.pdf-1.png,
> color_gradient.pdf-1.png, pslib-shading.pdf, pslib-shading.pdf-4.png,
> pslib-shading.pdf-4.png
>
>
> This is also somewhat of a regression: in PDFBOX-615, the file
> color_gradient.pdf-1.png had the text rendered, although in black. Currently,
> the text is invisible.
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