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Editorial Team
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Asked: 2026-06-15T19:28:39+00:00

When transforming some xml with referenced graphics I want to add a scale attribute

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When transforming some xml with referenced graphics I want to add a scale attribute to “big” graphics. However the graphics do not have any size information. Is it possible with xslt to “read” the graphic size in some way?

This:

<image href="sample.gif"/>

should become this

<image href="sample.gif" scale="50"/>

if the sample.gif graphic is bigger (width or height) than “x“. To be able to do so I need to “read” the size of the graphic (as there are no attributes with/height values, assuming that all graphics are actually present and accessible (in the file system).

Is there any possibility to do this?

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1 Answer

  1. Editorial Team

    I don’t think that this is possible with pure XSLT (without using an extension function).

    XSLT 2.0 and above have the unparsed-text() function, which allows any text file to be read, but I don’t think this allows any binary code (as 0x00) to be read — the file must be a text file.

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