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Posted to dev@pdfbox.apache.org by "Jesse Eichar (JIRA)" <ji...@apache.org> on 2011/03/30 16:40:05 UTC
[jira] [Updated] (PDFBOX-993) Image transparency lost when drawing
an image (during pdf to image conversion)
[ https://issues.apache.org/jira/browse/PDFBOX-993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jesse Eichar updated PDFBOX-993:
--------------------------------
Attachment: drawImageTransparency.patch
Fix for this issue.
> Image transparency lost when drawing an image (during pdf to image conversion)
> ------------------------------------------------------------------------------
>
> Key: PDFBOX-993
> URL: https://issues.apache.org/jira/browse/PDFBOX-993
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 1.5.0
> Reporter: Jesse Eichar
> Priority: Minor
> Labels: image, transparent
> Attachments: drawImageTransparency.patch
>
>
> My scenario is converting an existing PDF to an image. When the PDF contains an image with transparency the transparency is lost and the image is drawn at 100% opacity.
> This fix is related (and depends on) the issue: https://issues.apache.org/jira/browse/PDFBOX-975
> All that is needed is to set the composite of the graphics before drawing the image as specified in the graphics state (See attached patch)
> Note: line number in patch maybe off since it was created from 1.5.0 but after fixing 975.
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