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From Andreas Lehmkühler (JIRA) <j...@apache.org>
Subject [jira] Updated: (PDFBOX-646) Map the form space to user space if hte optional form matrix is present
Date Tue, 02 Mar 2010 18:47:27 GMT

     [ https://issues.apache.org/jira/browse/PDFBOX-646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Andreas Lehmkühler updated PDFBOX-646:

    Attachment: tiger-as-form-xobject.pdf

That file has an optional form matrix. The tiger doesn't show up using the PDFReader.

Jeremias provided me with that example long time ago. It's from the Apache FOP project.

> Map the form space to user space if hte optional form matrix is present
> -----------------------------------------------------------------------
>                 Key: PDFBOX-646
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-646
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Parsing, PDFReader, PDModel
>    Affects Versions: 0.8.0-incubator, 1.0.0
>            Reporter: Andreas Lehmkühler
>            Assignee: Andreas Lehmkühler
>             Fix For: 1.1.0
>         Attachments: tiger-as-form-xobject.pdf
> An XObjectForm has an optional form matrix to map the form space to user space. If that
matrix is present it has to be multiplied with the current transformation matrix to calculate
the correct coordinates for every following operation.

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