[NTG-context] background color, was: CMYK Color profile

Benjamin Koppe Benjamin.Koppe at gmx.de
Mon Jun 3 00:51:53 CEST 2019


When stupidity strikes, no one's safe.

Turns out \setupbackgrounds has an option called backgroundoffset, and
this is the solution. The not colorized part was the bleed part of the
document, so the background command would be:


\setupbackgrounds
	[paper]
	[
	background=color,
	backgroundcolor=blue,
	backgroundoffset=\measured{bleed}
	]

wonder if this would be handy in the DIN lang folder template in the
wiki, as most such brochures will supposingly have a colored
background...?




Am Samstag, den 01.06.2019, 05:48 +0200 schrieb Benjamin Koppe:
> Here's the example. It's basically the code from DIN Lang Folder in
> the
> Wiki plus a setupbackgrounds command. It works with `page` but fails
> to
> work with `paper`:
>
>
>
>
> %% This is a template for a Din lang Folder.
> %% The folded page of such a flyer is shorter (97mm) than the other
> pages (100mm)
>
> %% This measure shows how much shorter the folded page is.
> \definemeasure
>     [shortfold]
>     [3mm]
>
> %% The bleed measure is necessary if you have colored page
> backgrounds
> %% or images in the bleed.
> %% Different print shops need different bleeds.
> \definemeasure
>     [bleed]
>     [1mm]
>
> %% This is the pagesize of the final PDF.
> %% The bleed size is added two times to width and height.
> \definepapersize
>     [A4-flyer]
>     [width=\dimexpr297mm+2\measured{bleed}\relax,
>      height=\dimexpr210mm+2\measured{bleed}\relax]
>
> %% The size of a normal page.
> \definepapersize
>     [flyer-page]
>     [width=100mm,
>      height=210mm]
>
> %% The size of the folded page.
> \definepapersize
>     [flyer-page-small]
>     [width=\dimexpr100mm-\measure{shortfold}\relax,
>      height=210mm]
>
> %% Imposition: With the following two commands we arrange the six
> pages
> %% on the final PDF print sheet.
>
> %% The flyerpages are imposed on the printed sheet.
> \setuppapersize
>     [flyer-page]
>     [A4-flyer]
>
> %% The pages are arranged as a tryptichon.
> \setuparranging
>     [TRYPTICHON]
>
> %% Because of the shorter folded page and the bleed the pages has
> %% to be shifted horizontally on the printed sheet.
> %% The values are calculated here.
> \definepageshift
>     [flyer]
>     [horizontal]
>     [\dimexpr\measure{bleed}-\measured{shortfold}\relax,
>     \measure{bleed},
>      \measure{bleed},
>      \dimexpr2\measured{shortfold}+\measured{bleed}\relax,
>      \measure{bleed},
>     \dimexpr\measure{bleed}-\measured{shortfold}\relax
>     ]
>
>
> %% The vertical pageshift is simple.
> \definepageshift
>     [flyer]
>     [vertical]
>     [\measure{bleed}]
>
> \setuppageshift
>     [paper]
>     [flyer]
>
> %% We define some measures to construct the page layout.
> \definemeasure
>     [small]
>     [3mm]
>
> \definemeasure
>     [big]
>     [\measure{small}*2]
>
> %% Each page has a slightly different page layout.
> %% The named layouts (1. bracket) inherit values from other layouts
> %% which are assigned in the second bracket.
> \definelayout
>     [first]
>     [page]
>     [page=flyer-page,
>      topspace=2\measured{big},
>      backspace=2\measured{small},
>      width=\dimexpr\paperwidth-4\measured{small}\relax,
>      height=\dimexpr\paperheight-4\measured{big}\relax]
>
> \definelayout
>     [second]
>     [first]
>     [topspace=2\measured{big},
>      backspace=2\measured{small},
>      width=\dimexpr\paperwidth-2\measured{big}\relax]
>
> \definelayout
>     [thirdandfourth]
>     [second]
>     [backspace=\measure{big},
>      width=\dimexpr\paperwidth-2\measured{big}\relax]
>
> \definelayout
>     [fifthandsixth]
>     [first]
>     [backspace=\measure{big},
>      width=\dimexpr\paperwidth-2\measured{big}\relax]
>
> %% We assign the layouts to the pages.
> \definelayout [1] [first]
> \definelayout [2] [second]
> \definelayout [3] [thirdandfourth]
> \definelayout [4] [thirdandfourth]
> \definelayout [5] [fifthandsixth]
> \definelayout [6] [fifthandsixth]
>
>
> %% Some setups
> \setupmakeup [doublesided=no]
> \setuptolerance [verytolerant]
>
>
> %% We want to see page and layout borders.
> %% COMMENT THIS OUT BEFORE YOU PRINT!
> \showframe
>
> \setupbackgrounds[paper][background=color,backgroundcolor=blue]
>
> \starttext
>     \starttitle[title={First page}]
>     \input lorem
>   \stoptitle
>   \starttitle[title={Second page}]
>     \input lorem
>
>   \stoptitle
>   \starttitle[title={Third page}]
>     \input lorem
>
>   \stoptitle
>
>   \starttitle[title={Fourth page}]
>     \setuppapersize [flyer-page-small] [A4-flyer]
>     \input lorem
>
>   \stoptitle
>   \starttitle[title={Fifth page}]
>     \input lorem
>
>   \stoptitle
>
>   \starttitle[title={Sixth page}]
>   \setuppapersize [flyer-page] [A4-flyer]
>     \input lorem
>
>   \stoptitle
>
> \stoptext
>
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