From: Peter Rolf <indiego@gmx.net>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: pdfboxes
Date: Fri, 10 Feb 2017 14:56:32 +0100 [thread overview]
Message-ID: <8ea18ede-fc9f-b9a6-32eb-14b121f01ea3@gmx.net> (raw)
[-- Attachment #1: Type: text/plain, Size: 1309 bytes --]
Hi,
I tried to set some PDF boxes properly, but no luck (setupcanvas).
After searching the mailing archive from 2015 I found this (broken)
example. Is this still the official method to set the crop|trim|bleed boxes?
-----
\showframe
\setuplayout
[location=middle,
width=middle,
height=middle,
cropoffset=auto,
trimoffset=1bp,
bleedoffset=2bp,
artoffset=2bp]
\setupbackend
[level=0]
\starttext
\definepapersize[TestA][width=100bp,height=200bp]
\definepapersize[TestB][width=150bp,height=250bp]
\setuppapersize[TestA][TestB]
test
\stoptext
-----
ConTeXt version 2017.01.27 gives
[..]
10 0 obj
<</Type/Page/Contents 11 0 R/Resources 9 0 R/MediaBox[0 0 150
250]/CropBox [ 0 0 150 250 ] /TrimBox [ 0 0 150 250 ]/Parent 13 0 R>>
endobj
[..]
One additional note. The Mediabox precision seems to be 5 now (and not
4). Taken from my latest table using TeXpage (/MediaBox[0 0 1655.39105
969.22291]). The precision value for the other boxes should be adjusted
to avoid rounding problems (?Box < MediaBox).
[lpdf-mis.lua]
[..]
-- temp hack: the mediabox is not under our control and has a precision
of 4 digits
local factor = number.dimenfactors.bp
local f_value = formatters["%0.4F"]
[..]
Not in a hurry, fix (or advice) is welcome at any time :D
Best wishes, Peter
[-- Attachment #2: pdfboxes.mkiv --]
[-- Type: text/plain, Size: 381 bytes --]
\showframe
\setuplayout
[location=middle,
width=middle,
height=middle,
cropoffset=auto,
trimoffset=1bp,
bleedoffset=2bp,
artoffset=2bp]
\setupbackend
[level=0]
\starttext
\definepapersize[TestA][width=100bp,height=200bp]
\definepapersize[TestB][width=150bp,height=250bp]
\setuppapersize[TestA][TestB]
test
\stoptext
[-- Attachment #3: Type: text/plain, Size: 492 bytes --]
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next reply other threads:[~2017-02-10 13:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-10 13:56 Peter Rolf [this message]
2017-02-11 0:25 ` pdfboxes Hans Hagen
2017-02-13 12:34 ` pdfboxes Peter Rolf
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