[NTG-context] background= key not working in \startbackground and \starttextbackground

[NTG-context] background= key not working in \startbackground and \starttextbackground

[Aditya Mahajan]

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Hi,

I am testing some of my old styles on latest context and find that the background key of \startbackground and \starttextbackground doesn't work (\framed is working as expected). Here is a MWE:

\startuseMPgraphic{background:test}
    fill OverlayBox withcolor 0.75[red,white];
    draw OverlayBox withcolor red withpen pencircle scaled 2bp;
\stopuseMPgraphic

\defineoverlay[background:test][\useMPgraphic{background:test}]

\definetextbackground
    [testA]
    [	  
        location=paragraph,
        background=background:test,
	frame=off,
    ]

\definebackground
    [testB]
    [	  
        location=paragraph,
        background=background:test,
	frame=off,
    ]

\defineframedtext
    [testC]
    [	  
        background=background:test,
	frame=off,
	width=broad,
    ]

\starttext
\starttestA
  \input tufte
\stoptestA

\starttestB
  \input tufte
\stoptestB

\starttestC
  \input tufte
\stoptestC
\stoptext

testA gives nothing, testB gives a gray(!) background, and testC works as expected.

The output is attached. I am using 2024.05.31.

Aditya

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[NTG-context] Re: background= key not working in \startbackground and \starttextbackground

[Wolfgang Schuster]

Aditya Mahajan schrieb am 06.06.2024 um 14:48:
> Hi,
>
> I am testing some of my old styles on latest context and find that the background key of \startbackground and \starttextbackground doesn't work (\framed is working as expected). Here is a MWE:

1. \starttextbackground isn't based on \framed and has a mp-key to 
assign a metapost graphic.

2. \startbackground needs to be fixed but it's simple, replace 
\defcsname with \edefcsname in pack-bck.mklx:

\appendtoks
\frozen\protected\instance\defcsname\e!start\currentbackground\endcsname{\pack_backgrounds_start 
[\currentbackground]}%
     \frozen\protected\instance\defcsname\e!stop 
\currentbackground\endcsname{\pack_backgrounds_stop }%
     \frozen\protected\instance\defcsname 
\currentbackground\endcsname{\pack_backgrounds_direct[\currentbackground]}%
\to \everydefinebackground

Wolfgang

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[NTG-context] Re: background= key not working in \startbackground and \starttextbackground

[Aditya Mahajan]

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On Thu, 6 Jun 2024, Wolfgang Schuster wrote:

> Aditya Mahajan schrieb am 06.06.2024 um 14:48:
> > Hi,
> >
> > I am testing some of my old styles on latest context and find that the
> > background key of \startbackground and \starttextbackground doesn't work
> > (\framed is working as expected). Here is a MWE:
> 
> 1. \starttextbackground isn't based on \framed and has a mp-key to assign a
> metapost graphic.

Thanks. I had forgotten that.

> 2. \startbackground needs to be fixed but it's simple, replace \defcsname
> with \edefcsname in pack-bck.mklx:
> 
> \appendtoks
> \frozen\protected\instance\defcsname\e!start\currentbackground\endcsname{\pack_backgrounds_start
> [\currentbackground]}%
>     \frozen\protected\instance\defcsname\e!stop
> \currentbackground\endcsname{\pack_backgrounds_stop }%
>     \frozen\protected\instance\defcsname
> \currentbackground\endcsname{\pack_backgrounds_direct[\currentbackground]}%
> \to \everydefinebackground

Thanks. I'll patch it locally. 

Aditya

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