Re: Page Backgrounds

[Wolfgang Schuster <schuster.wolfgang@gmail.com>]

Am 09.07.2012 um 04:47 schrieb Kip Warner:

> Hey list,
> 
> On the cover page of my book I'd like just an image displayed and
> another image used as the background for every other page in the book.
> So I put this in my environment,
> 
>    % Cover image...
>    \definelayer
>        [CoverImage]
>        [x=0mm, y=0mm,
>         \paperwidth, 
>         \paperheight]
>    \setupbackgrounds[page][background=CoverImage]
> 
>    \setlayer
>        [CoverImage]	% name of the layer
>        {\externalfigure
>            [Makeup/Images/Cover.jpg]
>            [align=center,
>             \paperwidth,
>             \paperheight]}  % the actual contents of the layer
> 
>    % Regular background image...
>    \definelayer
>        [BackgroundImage]
>        [x=0mm, y=0mm,
>         \paperwidth, 
>         \paperheight,
>         repeat=yes]
> 
>    \setlayer
>        [BackgroundImage]	% name of the layer
>        {\externalfigure
>            [Makeup/Images/Background.png]
>            [align=center,
>             \paperwidth,
>             \paperheight]}  % the actual contents of the layer
> 
> , the following in the book's first page,
> 
>    \setupbackgrounds[page][background=CoverImage]
> 
> , and the following on second page,
> 
>    \setupbackgrounds[page][background=BackgroundImage]
> 
> . But this does not work properly. What ends up happening is the cover
> image is displayed correctly, but every page after that just has a blank
> white background.

\setupexternalfigures[directory=Makeup/Images]

\defineoverlay
  [backgroundimage]
  [{\ifnum\rawcountervalue[userpage]=1\relax
      \overlayfigure{Cover}%
    \else
      \overlayfigure{Background}%
    \fi}]

\setupbackgrounds[page][background=backgroundimage]

\starttext
\dorecurse{4}{\input knuth\page}
\stoptext

Wolfgang
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