Re: bug in PDF boxes? (was: Re: Trouble setting PDF boxes))

[Jack Steyn <steynjack@gmail.com>]

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I would like to add though that even if the code you posted did work
properly, Pablo, it wouldn't solve my original problem. It would be good if
cropoffset, trimoffset etc. took two dimensions, one for the x direction
and one for the y direction, instead of one for both. But I appreciate you
changing the subject to increase visibility.

Jack

On Sun, 26 Apr 2020 at 19:47, Pablo Rodriguez <oinos@gmx.es> wrote:

> On 4/25/20 2:37 PM, Jack Steyn wrote:
> > Hi,
> >
> > I am having trouble setting the PDF boxes to my desired dimensions.
> > Suppose I have \setuppapersize[/a/][/b/]. I want CropBox = MediaBox
> > =/ //b/. So far, so good: I can just use cropoffset=0mm in \setuplayout.
> > But I want TrimBox = /a/. However, as far as I can see, I can't achieve
> > this using trimoffset in \setuplayout unless (width of /b/) – (width of
> > /a/) = (height of /b/) – (height of /a/), which does not hold in my
> > case. So it looks like I need to find another way to set the TrimBox
> > (and the BleedBox, which I want to be 3mm wider and taller than the
> > TrimBox). Does anyone know how to do this?
>
> Hi Jack,
>
> there seems to be a bug in ConTeXt (both in MkXL and MkIV).
>
> From this code:
>
>     \setuplayout
>      [cropoffset=15ex,
>       trimoffset=20ex,
>       bleedoffset=25ex,
>       artoffset=30ex]
>
>     \starttext
>     \input zapf
>     \stoptext
>
> I get the relevant code:
>
>   /CropBox [ 0 0 595.2756 841.8898 ]
>   /MediaBox [ 0 0 595.2756 841.8898 ]
>   /TrimBox [ 0 0 595.2756 841.8898 ]
>
> I think it might be a bug that prevents this from working properly.
> (ArtBox is simply disabled.)
>
> Hans, could you check this? Many thanks for your help.
>
> Pablo
>
> PS: sorry for having changed the subject, Jack. It intends only to
> increase visibility about code that may need to be improved.
> --
> http://www.ousia.tk
>
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