Re: [xep-support] PDF Error

From: David Tolpin (
Date: Thu Jul 03 2003 - 01:24:04 PDT

  • Next message: Chris Lilley: "Re: [xep-support] Nonbreaking space?"

    > I'm getting an error in Acrobat Reader (5.0) when I view the attached PDF
    > generated from XEP (PDF Stamped edition).
    > The error is 'Wrong operand type'
    > The error seems to be caused by reference-orientation on a graphic.
    > I have marked the spot in the FO file with 'Error occurs about here'

    I thought it would make sense to explain what was happening.

    There is a sequence of rotated sidewards block-containers with no
    inline-progression-dimension specified. When ipd is left unspecified,
    XEP uses the whole remaining space on the page as a fallback.

    When the next block-container comes afterwards, it is left 0pt on the
    page, but its ipd is not specified again, thus the width="0pt" and width="100pt"
    becomes 0pt. The image is scaled to 0pt in width, and the transformation matrix
    becomes 0 0 0 0 0 0 cm.

    Adobe Acrobat Reader cannot handle the singular matrix (why Ghostscript can, by the way)
    and complains that it is an error.

    I would like to remind again that it is a bug in the user's input, not in the renderer.

    David Tolpin
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