Re: Re: externalfigure

[Vit Zyka <vit.zyka@seznam.cz>]

Patrick Gundlach wrote:

> Hello Jan-Mark,
> 
> 
>>using mptopdf 
>>
>>externalfigure "nue-logo-1.jpg" scaled 10;
>>
>>results in a figure  that doesn't retain the original image
>>ratio. 
> 
> 
> [...]
> 
> I don't think it is possible. As far as I can see, the externalfigure
> command just includes a reference to the figure and metapost never
> touches (reads) the picture, only the next step (mptopdf) does. So
> metapost has no idea of the image attributes.
> 
> Patrick

If you do not specify BOTH width and height of the image the pdftex have 
to read image SIZE from the image file.

Metafun's externalfigure is very trickery macro. Image can't be loaded 
by MP. Instead of that MP writes only MP special information (like TeX 
\special) with several parameters. This info is read by ConTeXt when 
including MP graphic. It inserts image file and does image transformations.

So I thing the case should work as expected. Could you send 
complete-and-minimal example?

Vit Zyka

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