[NTG-context] URLs: interaction, color/style, hyphenation (was: Re: Argument of \doswitchtotypeface has an extra })

2009-06-11 Thread Peter Münster
On Thu, 11 Jun 2009, Wolfgang Schuster wrote:

 Am 11.06.2009 um 10:08 schrieb Peter Münster:
 
   Or is there perhaps another command (for example \fromURL{})
   that does
 
   just this: \useURL[dummy][http://my-url/]\from[dummy];
 
 
   Perhaps with alternative optional argument:
 
   \fromURL[#1]{#2} = \useURL[dummy][#2][][#1]\from[dummy]
 
 
 Hans gave *you* a while ago this solution: \goto{...}[url(...)]

Indeed, I suppose you mean
http://archive.contextgarden.net/message/20090504.084528.4e8ad6f9.en.html

I did not need this solution, because

1.) my little helper-macro
   \def\gotoURL{\dosingleempty\dogotoURL}
   \def\dogotoURL[#1]#2{\iffirstargument\useURL[dummyRefUseURL][#2][][#1]\else
 \useURL[dummyRefUseURL][#2]\fi\from[dummyRefUseURL]}
   worked just fine

2.) \goto{...}[url(...)] does not break URLs

But now I see, that even \from[...] does not breaks URLs neither...

It seems, the only way to get hyphenated url is without interaction.

Here a general test-file with all possibilities to print URLs, that I'm
aware of:

\setupinteraction[state=start]
\useURL[myURL][http://url.com/index.html]
\starttext
\hsize1pt
% hyphen introduced in url, no special color/style:
\from[myURL]
% same as \from, but \tt style:
\url[myURL]
% hyphenated without hyphens but no color/style/interaction:
\hyphenatedurl{http://url.com/index.html}
% interaction and color, but not hyphenated:
\goto{http://url.com/index.html}[url(http://url.com/index.html)]
\stoptext

The best would be, to have a command that:
- makes interactive links like \from[]
- uses \tt style like \url[]
- breaks URLs like \hyphenatedurl{}
- uses color like \goto{}[]

Cheers, Peter

-- 
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Re: [NTG-context] ppchtex color

2009-05-13 Thread Hans Hagen

Alan BRASLAU wrote:

i split ppchtex in mkii/mkiv (and included the fixes) so we can improve
things eventually

can you check if it still runs ok (beta zip on website)

Hans


Works correctly (bonds in red, atoms in black):

\usemodule[chemic]
\setupchemical[rulecolor=red]
\starttext
\startchemical
\chemical[ONE,SB,Z0][C]
\stopchemical
\stoptext


However, the following variant does not work.

\usemodule[chemic]
\starttext
\startchemical[rulecolor=red]
\chemical[ONE,SB,Z0][C]
\stopchemical
\stoptext

I don't understand, as my (quick) look at the source code
indicates that the parameters should be handled identically.


no, that was actually the problem ... local vs global ... for the moment 
set it up local (per formula) as i need to make an inheritance chain


now that i've split in mkii/mkiv that's easier since we no longer have 
to keep things working in latex (which means that we can use more core 
helper code)


just remind me occasionally

Hans


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 | www.pragma-pod.nl
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Re: [NTG-context] ppchtex color

2009-05-13 Thread Alan BRASLAU
On Wednesday 13 May 2009 10:33:18 Hans Hagen wrote:
 Alan BRASLAU wrote:
  Works correctly (bonds in red, atoms in black):
 
  \usemodule[chemic]
  \setupchemical[rulecolor=red]
  \starttext
  \startchemical
  \chemical[ONE,SB,Z0][C]
  \stopchemical
  \stoptext
 
 
  However, the following variant does not work.
 
  \usemodule[chemic]
  \starttext
  \startchemical[rulecolor=red]
  \chemical[ONE,SB,Z0][C]
  \stopchemical
  \stoptext
 
  I don't understand, as my (quick) look at the source code
  indicates that the parameters should be handled identically.

 no, that was actually the problem ... local vs global ... for the moment
 set it up local (per formula) as i need to make an inheritance chain

 now that i've split in mkii/mkiv that's easier since we no longer have
 to keep things working in latex (which means that we can use more core
 helper code)

 just remind me occasionally

OK. The following extension would also be useful:

\usemodule[chemic]
\starttext
\startchemical
\chemical[SIX,B,rulecolor=red,AU][]
\stopchemical
\stoptext

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Re: [NTG-context] ppchtex color

2009-05-13 Thread Hans Hagen

Alan BRASLAU wrote:

On Wednesday 13 May 2009 10:33:18 Hans Hagen wrote:

Alan BRASLAU wrote:

Works correctly (bonds in red, atoms in black):

\usemodule[chemic]
\setupchemical[rulecolor=red]
\starttext
\startchemical
\chemical[ONE,SB,Z0][C]
\stopchemical
\stoptext


However, the following variant does not work.

\usemodule[chemic]
\starttext
\startchemical[rulecolor=red]
\chemical[ONE,SB,Z0][C]
\stopchemical
\stoptext

I don't understand, as my (quick) look at the source code
indicates that the parameters should be handled identically.

no, that was actually the problem ... local vs global ... for the moment
set it up local (per formula) as i need to make an inheritance chain

now that i've split in mkii/mkiv that's easier since we no longer have
to keep things working in latex (which means that we can use more core
helper code)

just remind me occasionally


OK. The following extension would also be useful:

\usemodule[chemic]
\starttext
\startchemical
\chemical[SIX,B,rulecolor=red,AU][]
\stopchemical
\stoptext


in mkiv syntax that is:

\defineprocessor[chemred][color=red]

\startchemical
\chemical[SIX,SB,C135,R,Z][chemred-A,chemred-C,chemred-C]
\stopchemical

we can rewrite ppchtex a bit but it depends on how much time you want to 
spend on filling in the holes that i will create (i can make the framework)



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 tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
 | www.pragma-pod.nl
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[NTG-context] ppchtex color

2009-05-12 Thread Alan BRASLAU
No, ppchtex is not dead...

I would like to use color.

1. color= and rulecolor= does not appear to be implemented (mkiv)...
2. how can one change the color of the bonds?
3. using \color[red]{} causes the text to be offset.

minimal example:

\setupcolors[state=start]
\usemodule[chemic]
\starttext

\startchemical
\chemical[ONE,SB,Z0][C]
\stopchemical

\startchemical
\color[red]{\chemical[ONE,SB,Z0][C]}
\stopchemical
% text C is offset...

\startchemical
\chemical[ONE,SB,Z0][{\red C}]
\stopchemical
% OK, but I would like to draw the bonds as well in red.

\startchemical[color=red]
\chemical[ONE,SB,Z0][C]
\stopchemical
% C is red in mkii, black in mkiv

\startchemical[rulecolor=red]
\chemical[ONE,SB,Z0][C]
\stopchemical
% bonds are black, C is red in mkii, black in mkiv

\stoptext

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[NTG-context] color

2009-05-12 Thread Hans Hagen

Hi,

just a note ... mkiv now defaults to color as nobody objected wolfgangs 
(if i remember right) request


Hans

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Re: [NTG-context] ppchtex color

2009-05-12 Thread Hans Hagen

Alan BRASLAU wrote:


\startchemical
\color[red]{\chemical[ONE,SB,Z0][C]}
\stopchemical
% text C is offset...


add a % after the } (maybe we should ignore endofline, i.e. make a mkiv 
variant and extend/maintain that)



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 | www.pragma-pod.nl
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Re: [NTG-context] ppchtex color

2009-05-12 Thread Hans Hagen

Alan BRASLAU wrote:

No, ppchtex is not dead...

I would like to use color.

1. color= and rulecolor= does not appear to be implemented (mkiv)...
2. how can one change the color of the bonds?
3. using \color[red]{} causes the text to be offset.

minimal example:

\setupcolors[state=start]
\usemodule[chemic]
\starttext

\startchemical
\chemical[ONE,SB,Z0][C]
\stopchemical

\startchemical
\color[red]{\chemical[ONE,SB,Z0][C]}
\stopchemical
% text C is offset...

\startchemical
\chemical[ONE,SB,Z0][{\red C}]
\stopchemical
% OK, but I would like to draw the bonds as well in red.

\startchemical[color=red]
\chemical[ONE,SB,Z0][C]
\stopchemical
% C is red in mkii, black in mkiv


has to do with different color mechanism ..

path line 1171:

\setbox2=\hbox{\@@dochemicalcolor$\@@dochemicalstyle{\@@localchemicalformat 
\chemicaltext}$}%




\startchemical[rulecolor=red]
\chemical[ONE,SB,Z0][C]
\stopchemical
% bonds are black, C is red in mkii, black in mkiv

\stoptext

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--

-
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 | www.pragma-pod.nl
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Re: [NTG-context] ppchtex color

2009-05-12 Thread Hans Hagen

Alan BRASLAU wrote:

No, ppchtex is not dead...

I would like to use color.

1. color= and rulecolor= does not appear to be implemented (mkiv)...
2. how can one change the color of the bonds?
3. using \color[red]{} causes the text to be offset.

minimal example:

\setupcolors[state=start]
\usemodule[chemic]
\starttext

\startchemical
\chemical[ONE,SB,Z0][C]
\stopchemical

\startchemical
\color[red]{\chemical[ONE,SB,Z0][C]}
\stopchemical
% text C is offset...

\startchemical
\chemical[ONE,SB,Z0][{\red C}]
\stopchemical
% OK, but I would like to draw the bonds as well in red.

\startchemical[color=red]
\chemical[ONE,SB,Z0][C]
\stopchemical
% C is red in mkii, black in mkiv

\startchemical[rulecolor=red]
\chemical[ONE,SB,Z0][C]
\stopchemical


setting happened at the outer level (ok, that's broken now but we can 
fix that later); so now, each formula must have the settings; when i 
have time i'll make a mkiv variant so that we can upgrade (i don't want 
interference with mkii since that version is also used in latex and we 
don't need to upgrade that)


\def\setchemicalattributes
  {\scratchdimen\@@chemicalrulethickness
   \def\chemicalattributes
 {withpen pencircle scaled \the\scratchdimen\space
  withcolor }%
   \doifelsenothing\@@chemicalrulecolor
 {\edef\chemicalattributes{\chemicalattributes black}}
 {\edef\chemicalattributes{\chemicalattributes 
\MPcolor{\@@chemicalrulecolor}}}%

   \startMPdrawing
 drawoptions (\chemicalattributes) ;
   \stopMPdrawing}


-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
 | www.pragma-pod.nl
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Re: [NTG-context] ppchtex color

2009-05-12 Thread Hans Hagen

Alan BRASLAU wrote:

No, ppchtex is not dead...


i split ppchtex in mkii/mkiv (and included the fixes) so we can improve 
things eventually


can you check if it still runs ok (beta zip on website)

Hans

-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
 | www.pragma-pod.nl
-
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Re: [NTG-context] ppchtex color

2009-05-12 Thread Alan BRASLAU
 i split ppchtex in mkii/mkiv (and included the fixes) so we can improve
 things eventually
 
 can you check if it still runs ok (beta zip on website)
 
 Hans

Unzipped cont-tmf.zip on top of my minimals installation and ran context on my 
current working documents:

system  : module chemic loaded
(/usr/local/context.new/tex/texmf-context/tex/context/base/m-chemic.tex 
(/usr/local/context.new/tex/texmf-context/tex/context/base/m-chemic.mkiv
system  : module pictex loaded
(/usr/local/context.new/tex/texmf-context/tex/context/base/m-pictex.tex 
(/usr/local/context.new/tex/texmf-context/tex/context/base/thrd-pic.tex
warning : \dimen \linethickness is already defined (\relax it first)
)) (/usr/local/context.new/tex/texmf-context/tex/context/base/ppchtex.mkiv
ppchtex : using PiCTeX and MetaPost
)))

It appears to work as before...
(I will now look into your color suggestions.)

Alan



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Re: [NTG-context] ppchtex color

2009-05-12 Thread Alan BRASLAU
 i split ppchtex in mkii/mkiv (and included the fixes) so we can improve
 things eventually
 
 can you check if it still runs ok (beta zip on website)
 
 Hans

Works correctly (bonds in red, atoms in black):

\usemodule[chemic]
\setupchemical[rulecolor=red]
\starttext
\startchemical
\chemical[ONE,SB,Z0][C]
\stopchemical
\stoptext


However, the following variant does not work.

\usemodule[chemic]
\starttext
\startchemical[rulecolor=red]
\chemical[ONE,SB,Z0][C]
\stopchemical
\stoptext

I don't understand, as my (quick) look at the source code
indicates that the parameters should be handled identically.

Alan

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Re: [NTG-context] ppchtex color

2009-05-12 Thread Hans Hagen

Alan BRASLAU wrote:

i split ppchtex in mkii/mkiv (and included the fixes) so we can improve
things eventually

can you check if it still runs ok (beta zip on website)

Hans


Unzipped cont-tmf.zip on top of my minimals installation and ran context on my 
current working documents:


system  : module chemic loaded
(/usr/local/context.new/tex/texmf-context/tex/context/base/m-chemic.tex 
(/usr/local/context.new/tex/texmf-context/tex/context/base/m-chemic.mkiv

system  : module pictex loaded
(/usr/local/context.new/tex/texmf-context/tex/context/base/m-pictex.tex 
(/usr/local/context.new/tex/texmf-context/tex/context/base/thrd-pic.tex

warning : \dimen \linethickness is already defined (\relax it first)
)) (/usr/local/context.new/tex/texmf-context/tex/context/base/ppchtex.mkiv
ppchtex : using PiCTeX and MetaPost
)))

It appears to work as before...
(I will now look into your color suggestions.)


color should work ok (that is: color=red, and rulecolor=red)


-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
 | www.pragma-pod.nl
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[NTG-context] overprint color setting not working

2009-04-23 Thread Fengnan
Hi, dear all,

This small test file will go wrong under the newest beta, which I updated a 
hour ago.  Here is the file.

\setupcolors[state=start,overprint=yes]

\starttext
test file test file.
\stoptext


Is overprint function abondoned?


Fengnan
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Re: [NTG-context] Page background color. Does not cover the entire page.

2009-04-17 Thread Yanrui Li
2009/4/17 Curiouslearn curiousle...@gmail.com:
 Hi,
 I created the attached PDF file using ConTeXt. As you can see I have a green
 background, which covers the whole page. However, when I took it to the
 printer today and he printed two copies for me, there was some white space
 left at four ends. The amount of space above, below, to the left and to the
 right was different. Here is my preamble. Can you suggest what I can do so
 that the whole page has the chosen green background color.
 Thanks very much.

Hi, Curiouslearn,

Generally speaking, many printers can't print a page without white
spaces about 3mm unless you have a marginless printer.

-- 
Best wishes,
Li Yanrui

* Gentoo Linux (~x86)
* ConTeXt Minimals Beta (2009.04.16 15:20)
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Re: [NTG-context] Page background color. Does not cover the entire page.

2009-04-17 Thread Hans Hagen

Curiouslearn wrote:

Hi,
I created the attached PDF file using ConTeXt. As you can see I have a green
background, which covers the whole page. However, when I took it to the
printer today and he printed two copies for me, there was some white space
left at four ends. The amount of space above, below, to the left and to the
right was different. Here is my preamble. Can you suggest what I can do so
that the whole page has the chosen green background color.


-- print on larger paper and cut off the edges
-- make your layout a bit smaller and cut off the edges

only professional print will print to the edge and even then ...

(normally you will use oversized paper and bleeding)

Hans

-
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  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
 | www.pragma-pod.nl
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Re: [NTG-context] Page background color. Does not cover the entire page.

2009-04-17 Thread John Devereux
Hans Hagen pra...@wxs.nl writes:

 Curiouslearn wrote:
 Hi,
 I created the attached PDF file using ConTeXt. As you can see I have a green
 background, which covers the whole page. However, when I took it to the
 printer today and he printed two copies for me, there was some white space
 left at four ends. The amount of space above, below, to the left and to the
 right was different. Here is my preamble. Can you suggest what I can do so
 that the whole page has the chosen green background color.

 -- print on larger paper and cut off the edges
 -- make your layout a bit smaller and cut off the edges

Or

 -- get them to print it on light green paper? :)


-- 

John Devereux
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Re: [NTG-context] Page background color. Does not cover the entire page.

2009-04-17 Thread Curiouslearn
Wow! Thanks for the reply. It is interesting the kind of things when using
Context or for that matter any typesetting system. I thought I chose the
letter size for my layout and I am printing it on a letter size paper. Also,
the PDF shows green everywhere. Hence, getting the color on whole page
should be easy. From your responses, it seems it is not possible because of
the way printers are designed.


On Fri, Apr 17, 2009 at 7:22 AM, John Devereux j...@devereux.me.uk wrote:

 Hans Hagen pra...@wxs.nl writes:

  Curiouslearn wrote:
  Hi,
  I created the attached PDF file using ConTeXt. As you can see I have a
 green
  background, which covers the whole page. However, when I took it to the
  printer today and he printed two copies for me, there was some white
 space
  left at four ends. The amount of space above, below, to the left and to
 the
  right was different. Here is my preamble. Can you suggest what I can do
 so
  that the whole page has the chosen green background color.
 
  -- print on larger paper and cut off the edges
  -- make your layout a bit smaller and cut off the edges

 Or

  -- get them to print it on light green paper? :)


 --

 John Devereux

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[NTG-context] ConTeXt color=red!40!yellow

2009-04-05 Thread Mojca Miklavec
Hello,

I might be dreaming already, but on last Tuesday (I don't know which
version though) this code kept generating orange balls in ConTeXt
MKII:
\shade[ball color=red!40!yellow] (0,0) circle (.15cm);

Now I get a black one. Has anything with respect to color handling
mechanisms changed in ConTeXt MKII or TikZ recently? ConTeXt MKIV
properly generates an orange ball (usually only mkiv fails, so I'm a
bit confused now :).

I'm using ConTeXt 2009.03.30 18:28 and TikZ 2009-04-03.

Thanks,
   Mojca

---
\usemodule[tikz]
\setupcolors[state=start]
\starttext
\tikz\shade[ball color=red!40!yellow] (0,0) circle (.15cm);
\stoptext
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Re: [NTG-context] MP color and interaction (alpha)

2009-01-12 Thread Hans Hagen

Peter Rolf wrote:

Hi,

seems that color support is also broken in case of interaction. I get no 
red frame for the attached example.


solved

-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
 | www.pragma-pod.nl
-
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[NTG-context] MP color and interaction (alpha)

2009-01-08 Thread Peter Rolf

Hi,

seems that color support is also broken in case of interaction. I get no 
red frame for the attached example.


Best wishes, Peter
\setupcolors[state=start]
\setupinteraction[state=start]

\starttext

\definesymbol[no][]
\definefield[check-me][check][setup3][yes,no][no]
\setupfield[setup3][n=1024,width=2cm,height=2cm,rulethickness=3pt,corner=round,framecolor=red]

\field[check-me]


\stoptext


ia.pdf
Description: Adobe PDF document
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Re: [NTG-context] color test not working

2008-11-22 Thread Hans Hagen
Alan STONE wrote:
 On Sat, Sep 13, 2008 at 10:04 PM, Alan Stone 
 [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] 
 wrote:
 
 Hi,
 
 \setupcolors[state=start]
 
 \setupcolor[rgb]
 \setupcolor[xwi]
 \setupcolor[ema]
 
 \starttext
 
 \midaligned{\tfb \bf RGB colors}
 \blank[3*big]
 \showcolor[rgb]
 \page
 
 \midaligned{\tfb \bf XWI colors}
 \blank[3*big]
 \showcolor[xwi]
 \page
 
 \midaligned{\tfb \bf EMA colors}
 \blank[3*big]
 \showcolor[ema]
 
 \stoptext
 
  
  
 FYI, this currently doesn't work under Windows XP with
 ConTeXt  ver: 2008.11.10 21:40 MKIV  fmt: 2008.11.21  int: english/english
 Output in attachement.

ok, fixed; will be in end-of-december release

-
   Hans Hagen | PRAGMA ADE
   Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
  tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
  | www.pragma-pod.nl
-
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Re: [NTG-context] color test not working

2008-11-22 Thread Alan STONE
On Sat, Nov 22, 2008 at 1:06 PM, Hans Hagen [EMAIL PROTECTED] wrote:


 ok, fixed; will be in end-of-december release

End of *december* ?

Best,
Alan
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Re: [NTG-context] color test not working

2008-11-21 Thread Alan STONE
On Sat, Sep 13, 2008 at 10:04 PM, Alan Stone
[EMAIL PROTECTED]wrote:

 Hi,

 \setupcolors[state=start]

 \setupcolor[rgb]
 \setupcolor[xwi]
 \setupcolor[ema]

 \starttext

 \midaligned{\tfb \bf RGB colors}
 \blank[3*big]
 \showcolor[rgb]
 \page

 \midaligned{\tfb \bf XWI colors}
 \blank[3*big]
 \showcolor[xwi]
 \page

 \midaligned{\tfb \bf EMA colors}
 \blank[3*big]
 \showcolor[ema]

 \stoptext



FYI, this currently doesn't work under Windows XP with
ConTeXt  ver: 2008.11.10 21:40 MKIV  fmt: 2008.11.21  int: english/english
Output in attachement.

By the way, I installed the latest
context-setup-mswin.zip18-Nov-2008 18:06 3.1M and (see above) it says
2008.11.10

-- 
Best,
Alan


colortest.pdf
Description: Adobe PDF document
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Re: [NTG-context] color test not working

2008-11-21 Thread Alan STONE
On Fri, Nov 21, 2008 at 1:02 PM, Alan STONE
[EMAIL PROTECTED]wrote:

 FYI, this currently doesn't work under Windows XP with
 ConTeXt  ver: 2008.11.10 21:40 MKIV  fmt: 2008.11.21  int: english/english
 Output in attachement.

 By the way, I installed the latest
 context-setup-mswin.zip18-Nov-2008 18:06 3.1M and (see above) it says
 2008.11.10


Same under Linux.

-- 
Best,
Alan

* TeX engine = LuaTeX
*ConTeXt minimals ver: 2008.11.10 21:40 MKIV  fmt: 2008.11.21  int:
english/english
* Ubuntu 8.04 Hardy Heron
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Re: [NTG-context] color test not working

2008-11-21 Thread Yue Wang
Hi:

Ummm...  Same here with LuaTeX (It is ok here two or three days ago).
MKII works fine.

So I always keep a production release (ver 2005.01.31 with pdfeTeX
3.141592-1.21a-2.2) to process our journal and use the cutting edge
for fun :-)

Yue

On Fri, Nov 21, 2008 at 12:02 PM, Alan STONE
[EMAIL PROTECTED] wrote:
 On Sat, Sep 13, 2008 at 10:04 PM, Alan Stone [EMAIL PROTECTED]
 wrote:

 Hi,

 \setupcolors[state=start]

 \setupcolor[rgb]
 \setupcolor[xwi]
 \setupcolor[ema]

 \starttext

 \midaligned{\tfb \bf RGB colors}
 \blank[3*big]
 \showcolor[rgb]
 \page

 \midaligned{\tfb \bf XWI colors}
 \blank[3*big]
 \showcolor[xwi]
 \page

 \midaligned{\tfb \bf EMA colors}
 \blank[3*big]
 \showcolor[ema]

 \stoptext



 FYI, this currently doesn't work under Windows XP with
 ConTeXt  ver: 2008.11.10 21:40 MKIV  fmt: 2008.11.21  int: english/english
 Output in attachement.

 By the way, I installed the latest
 context-setup-mswin.zip18-Nov-2008 18:06 3.1M and (see above) it says
 2008.11.10

 --
 Best,
 Alan
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[NTG-context] Color rendering transparency with metapost

2008-10-31 Thread Renaud Aubin
Hi,

I have some trouble using a gradient background (solid) with a 
transparent element :

  \startMPinclusions
def test_shade (expr a, b) =
pickup pencircle scaled 1mm ;
color ca ; ca := \MPcolor{a} ;
color cb ; cb := \MPcolor{b} ;
color cc ; cc := \MPcolor{c} ;
sh := define_linear_shade(origin 
shifted(0cm,.5*\overlayheight),origin,ca,cb) ;
fill fullsquare xscaled \overlaywidth yscaled \overlayheight 
withshade sh;
draw origin withcolor cc;
draw origin shifted(0cm,-.25*\overlayheight) withcolor cc;
enddef ;
  \stopMPinclusions

  \setupcolors[state=start]
  \definecolor[a][r=.57254902,g=.784313725,b=.917647059]
  \definecolor[b][white]
  \definecolor[c][darkred]
  \starttext
 
  \defineoverlay[bgoverlay][\uniqueMPgraphic{bg_top_shade}]
  \setupbackgrounds[page][background=bgoverlay]
  \startuniqueMPgraphic{bg_top_shade}
test_shade(origin, origin shifted(0cm,1cm));
draw fullcircle scaled 10cm shifted (0cm,0.25*\overlayheight) 
withcolor transparent(1,0.5,white) withpen pencircle scaled 2cm;

 If you comment out the previous line the color rendering is 
definitelly different...

  \stopuniqueMPgraphic
 
  \input knuth
 
\stoptext

I have searched the ML without success, any idea ?

Regards,


Renaud
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Re: [NTG-context] Color rendering transparency with metapost

2008-10-31 Thread Renaud Aubin
Thank Luigi for your response,  the problem is that the background color 
rendering isn't the same if you comment out or not the following line : 
draw fullcircle scaled 10cm shifted (0cm,0.25*\overlayheight) withcolor 
transparent(1,0.5,white) withpen pencircle scaled 2cm;

After some experiments, the problem is solved ( hence not understood 
???) using rgb=no in setupcolors...

It's maybe a viewer-centric problem : I use acroread 8.1.2 under linux.

Renaud

luigi scarso a écrit :

 This is my test.
 Where is the problem ?

 minimals-beta
 Linux luigicasa-laptop 2.6.24-21-generic #1 SMP Tue Oct 21 23:43:45 
 UTC 2008 i686 GNU/Linux
 This is LuaTeX, Version snapshot-0.30.2-2008102016, build unknown
 ConTeXt MtxRun | current version: 2008.10.31 13:58



 -- 
 luigi

 

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Re: [NTG-context] Color rendering transparency with metapost

2008-10-31 Thread Renaud Aubin
I must add that I have defined the a color with cmyk.

Renaud Aubin a écrit :
 Thank Luigi for your response,  the problem is that the background color 
 rendering isn't the same if you comment out or not the following line : 
 draw fullcircle scaled 10cm shifted (0cm,0.25*\overlayheight) withcolor 
 transparent(1,0.5,white) withpen pencircle scaled 2cm;

 After some experiments, the problem is solved ( hence not understood 
 ???) using rgb=no in setupcolors...

 It's maybe a viewer-centric problem : I use acroread 8.1.2 under linux.

 Renaud

 luigi scarso a écrit :
   
 This is my test.
 Where is the problem ?

 minimals-beta
 Linux luigicasa-laptop 2.6.24-21-generic #1 SMP Tue Oct 21 23:43:45 
 UTC 2008 i686 GNU/Linux
 This is LuaTeX, Version snapshot-0.30.2-2008102016, build unknown
 ConTeXt MtxRun | current version: 2008.10.31 13:58



 -- 
 luigi

 

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Re: [NTG-context] Color rendering transparency with metapost

2008-10-31 Thread luigi scarso
On Sat, Nov 1, 2008 at 2:06 AM, Renaud Aubin [EMAIL PROTECTED] wrote:

 Thank Luigi for your response,  the problem is that the background color
 rendering isn't the same if you comment out or not the following line :
 draw fullcircle scaled 10cm shifted (0cm,0.25*\overlayheight) withcolor
 transparent(1,0.5,white) withpen pencircle scaled 2cm;

true


 After some experiments, the problem is solved ( hence not understood
 ???) using rgb=no in setupcolors...

They seem differents again


 It's maybe a viewer-centric problem : I use acroread 8.1.2 under linux.

no, I don't believe.
Try to investigate with \pdfcompresslevel0 at the beginning

-- 
luigi
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Re: [NTG-context] how to color italics?

2008-09-23 Thread Steffen Wolfrum

Am 22.09.2008 um 15:00 schrieb Hans Hagen:

 Taco Hoekwater wrote:

 Aditya Mahajan wrote:
 Ah, so that is why it is lowlevel. I wonder why the following does  
 not
 work.

 \setupbodyfontenvironment [default]
   [em={\italic\color[red]}]

 The em key is a bit extra extra special: it has to be either
 'italic' or 'slanted', everything else is ignored. This is because
 of the need to allow bold emphasis. (\bf\em == \bs or \bi).

 I would personally be happier if it would just use whatever was
 in the argument when it is *not* italic or slanted, instead of
 ignoring the argument, but that's how it is.


 \def\doemphasistypeface#1#2%
   {\doifelsevalue{\??ft\fontclass\normalizedbodyfontsize\c!em}\v! 
 slanted
  {#1}%
  {\doifelsevalue{\??ft\fontclass\normalizedbodyfontsize\c!em}\v! 
 italic
 {#2}%
 {\doifelsevaluenothing{\??ft\fontclass\normalizedbodyfontsize 
 \c!em}
{\doifelsevalue{\??ft\normalizedbodyfontsize\c!em}\v! 
 slanted
   {#1}%
   {\doifelsevalue{\??ft\normalizedbodyfontsize\c!em}\v! 
 italic
  {#2}%
  {\getvalue{\??ft\normalizedbodyfontsize\c!em
{\getvalue{\??ft\fontclass\normalizedbodyfontsize\c!em}

 however, this does not provide italic correction, so better is:

 \newtoks\everyemphasized

 \unexpanded\def\em
   {\relax
\ifdim\slantperpoint\zeropoint
  \settrue\emneeded
\else
  \setfalse\emneeded
\fi
\setemphasisboldface % new
\ifx\fontalternative\c!it  % \ifnum\fam=\itfam
  \def\emphasistypeface{\it}\tf
\else\ifx\fontalternative\c!sl % \ifnum\fam=\slfam
  \def\emphasistypeface{\sl}\tf
\else\ifx\fontalternative\c!bf % \ifnum\fam=\bffam
  \emphasisboldface
\else\ifx\fontalternative\c!bs % \ifnum\fam=\bsfam
  \def\emphasisboldface{\bs}\bf
\else\ifx\fontalternative\c!bi % \ifnum\fam=\bifam
  \def\emphasisboldface{\bi}\bf
\else
  \emphasistypeface
\fi\fi\fi\fi\fi
\the\everyemphasized
\ifconditional\emneeded\relax
\else
  \expandafter\aftergroup
\fi
\emphasiscorrection}

 which provides a hook, as in:


 \appendtoks
 \red
 \to \everyemphasized



Be careful: this kills the ability of the emphasized word to be  
hyphenated!

(... at least here with MKII)

Steffen
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[NTG-context] how to color italics?

2008-09-22 Thread Steffen Wolfrum
Hi,

for making editing easier I'd like my italics (\em) to be in PDF   
typeset colored.

Something like \setupem[color=blue]


How can this be done?

Steffen
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Re: [NTG-context] how to color italics?

2008-09-22 Thread Thomas A. Schmitz

On Sep 22, 2008, at 1:24 PM, Steffen Wolfrum wrote:

 It should be something like \Colorit{this} example:

 \def\Colorit{\it\color[magenta]}


 But this above never closes the italics, while ...

 \def\Colorit{\strut\groupedcommand\it\color[magenta]\/}

 ... gives an error.


 Someone can help?


 St.

You want your command to take an argument, so you have to mention that  
argument in the definition (untested):

\define[1]\Colorit%
   {\color[magenta]{\it #1}}

Thomas
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Re: [NTG-context] how to color italics?

2008-09-22 Thread Aditya Mahajan
On Mon, 22 Sep 2008, Taco Hoekwater wrote:

 Steffen Wolfrum wrote:

 But this above never closes the italics, while ...

 \def\Colorit{\strut\groupedcommand\it\color[magenta]\/}

 ... gives an error.


 Someone can help?

 Worryingly lowlevel:

  \def\emphasistypeface{\it\color[magenta]}

This has to be used {\emphasistypeface }. If you want something that 
works as \emph{} as well as {\emph ...} and can also be passed as an 
option to all the style= keys, try

\definealternativestyle [emph] [{\it\color[magenta]}] []

Aditya

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Re: [NTG-context] how to color italics?

2008-09-22 Thread Steffen Wolfrum

Am 22.09.2008 um 13:48 schrieb Taco Hoekwater:

 Steffen Wolfrum wrote:

 But this above never closes the italics, while ...

 \def\Colorit{\strut\groupedcommand\it\color[magenta]\/}

 ... gives an error.


 Someone can help?

 Worryingly lowlevel:

  \def\emphasistypeface{\it\color[magenta]}



... this looks very close to what I wrote in the same email at top:

\def\Colorit{\it\color[magenta]}

... and this had the problem of never stopping (closing) the italics  
again!


(BTW: sorry for introducing \it, I need \em of course)

Steffen
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Re: [NTG-context] how to color italics?

2008-09-22 Thread Steffen Wolfrum

Am 22.09.2008 um 13:48 schrieb Thomas A. Schmitz:


 On Sep 22, 2008, at 1:24 PM, Steffen Wolfrum wrote:

 It should be something like \Colorit{this} example:

 \def\Colorit{\it\color[magenta]}


 But this above never closes the italics, while ...

 \def\Colorit{\strut\groupedcommand\it\color[magenta]\/}

 ... gives an error.


 Someone can help?


 St.

 You want your command to take an argument, so you have to mention that
 argument in the definition (untested):

 \define[1]\Colorit%
   {\color[magenta]{\it #1}}



... same problem as in Taco's proposal: the \it never stops


st.
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Re: [NTG-context] how to color italics?

2008-09-22 Thread Taco Hoekwater
Steffen Wolfrum wrote:
 
 But this above never closes the italics, while ...
 
 \def\Colorit{\strut\groupedcommand\it\color[magenta]\/}
 
 ... gives an error.
 
 
 Someone can help?

Worryingly lowlevel:

  \def\emphasistypeface{\it\color[magenta]}

Best wishes,
Taco
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Re: [NTG-context] how to color italics?

2008-09-22 Thread Taco Hoekwater
Aditya Mahajan wrote:
 On Mon, 22 Sep 2008, Taco Hoekwater wrote:
 
 Steffen Wolfrum wrote:
 But this above never closes the italics, while ...

 \def\Colorit{\strut\groupedcommand\it\color[magenta]\/}

 ... gives an error.


 Someone can help?
 Worryingly lowlevel:

  \def\emphasistypeface{\it\color[magenta]}
 
 This has to be used {\emphasistypeface }. If you want something that 

No. Instead it redefines the internals of the normal \em command.

Best wishes,
Taco
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Re: [NTG-context] how to color italics?

2008-09-22 Thread Thomas A. Schmitz

On Sep 22, 2008, at 1:58 PM, Steffen Wolfrum wrote:

 ... same problem as in Taco's proposal: the \it never stops


 st.

Then add grouping

\define[1]\Colorit%
  {\color[magenta]{\bgroup\it #1\egroup}}


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Re: [NTG-context] how to color italics?

2008-09-22 Thread Aditya Mahajan
On Mon, 22 Sep 2008, Taco Hoekwater wrote:

 Aditya Mahajan wrote:
 On Mon, 22 Sep 2008, Taco Hoekwater wrote:

 Steffen Wolfrum wrote:
 But this above never closes the italics, while ...

 \def\Colorit{\strut\groupedcommand\it\color[magenta]\/}

 ... gives an error.


 Someone can help?
 Worryingly lowlevel:

  \def\emphasistypeface{\it\color[magenta]}

 This has to be used {\emphasistypeface }. If you want something that

 No. Instead it redefines the internals of the normal \em command.

Ah, so that is why it is lowlevel. I wonder why the following does not 
work.

\setupbodyfontenvironment [default]
   [em={\italic\color[red]}]

Aditya
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Re: [NTG-context] how to color italics?

2008-09-22 Thread Taco Hoekwater


Aditya Mahajan wrote:
 
 Ah, so that is why it is lowlevel. I wonder why the following does not 
 work.
 
 \setupbodyfontenvironment [default]
[em={\italic\color[red]}]

The em key is a bit extra extra special: it has to be either
'italic' or 'slanted', everything else is ignored. This is because
of the need to allow bold emphasis. (\bf\em == \bs or \bi).

I would personally be happier if it would just use whatever was
in the argument when it is *not* italic or slanted, instead of
ignoring the argument, but that's how it is.

Best wishes,
Taco
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[NTG-context] how to color footnote?

2008-09-22 Thread Steffen Wolfrum
... while dealing with colored elements:


having the footnote number (down in front of the footnote text) in  
dark green is not that bad, just, why can't it be colored in an other  
way?

I tried in vain both in \setupfootnotes and \setupfootnotedefinition:  
numbercolor, color...
Only \setupfootnotes[textcolor=magenta] affects the footnote number in  
the main text.

But nothing changes in the footnote area.


Does this make sense?

Steffen
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Re: [NTG-context] how to color italics?

2008-09-22 Thread Hans Hagen
Taco Hoekwater wrote:
 
 Aditya Mahajan wrote:
 Ah, so that is why it is lowlevel. I wonder why the following does not 
 work.

 \setupbodyfontenvironment [default]
[em={\italic\color[red]}]
 
 The em key is a bit extra extra special: it has to be either
 'italic' or 'slanted', everything else is ignored. This is because
 of the need to allow bold emphasis. (\bf\em == \bs or \bi).
 
 I would personally be happier if it would just use whatever was
 in the argument when it is *not* italic or slanted, instead of
 ignoring the argument, but that's how it is.


\def\doemphasistypeface#1#2%
   {\doifelsevalue{\??ft\fontclass\normalizedbodyfontsize\c!em}\v!slanted
  {#1}%
  {\doifelsevalue{\??ft\fontclass\normalizedbodyfontsize\c!em}\v!italic
 {#2}%
 {\doifelsevaluenothing{\??ft\fontclass\normalizedbodyfontsize\c!em}
{\doifelsevalue{\??ft\normalizedbodyfontsize\c!em}\v!slanted
   {#1}%
   {\doifelsevalue{\??ft\normalizedbodyfontsize\c!em}\v!italic
  {#2}%
  {\getvalue{\??ft\normalizedbodyfontsize\c!em
{\getvalue{\??ft\fontclass\normalizedbodyfontsize\c!em}

however, this does not provide italic correction, so better is:

\newtoks\everyemphasized

\unexpanded\def\em
   {\relax
\ifdim\slantperpoint\zeropoint
  \settrue\emneeded
\else
  \setfalse\emneeded
\fi
\setemphasisboldface % new
\ifx\fontalternative\c!it  % \ifnum\fam=\itfam
  \def\emphasistypeface{\it}\tf
\else\ifx\fontalternative\c!sl % \ifnum\fam=\slfam
  \def\emphasistypeface{\sl}\tf
\else\ifx\fontalternative\c!bf % \ifnum\fam=\bffam
  \emphasisboldface
\else\ifx\fontalternative\c!bs % \ifnum\fam=\bsfam
  \def\emphasisboldface{\bs}\bf
\else\ifx\fontalternative\c!bi % \ifnum\fam=\bifam
  \def\emphasisboldface{\bi}\bf
\else
  \emphasistypeface
\fi\fi\fi\fi\fi
\the\everyemphasized
\ifconditional\emneeded\relax
\else
  \expandafter\aftergroup
\fi
\emphasiscorrection}

which provides a hook, as in:


\appendtoks
 \red
\to \everyemphasized


both mechanisms will be provided (maybe something emcolor later, when i 
can get myself motivated for such an possibly never documented feature)

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  | www.pragma-pod.nl
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Re: [NTG-context] how to color italics?

2008-09-22 Thread Steffen Wolfrum

Am 22.09.2008 um 13:48 schrieb Thomas A. Schmitz:


 On Sep 22, 2008, at 1:24 PM, Steffen Wolfrum wrote:

 It should be something like \Colorit{this} example:

 \def\Colorit{\it\color[magenta]}


 But this above never closes the italics, while ...

 \def\Colorit{\strut\groupedcommand\it\color[magenta]\/}

 ... gives an error.


 Someone can help?


 St.

 You want your command to take an argument, so you have to mention that
 argument in the definition (untested):

 \define[1]\Colorit%
   {\color[magenta]{\it #1}}



but, hey ... what about this:


\define[1]\Colorit%
   {\color[magenta]{\groupedcommand\em\/ #1}}



Thanks for pointing it to that Thomas!

Steffen
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[NTG-context] how to color footnote?

2008-09-22 Thread Steffen Wolfrum
... while dealing with colored elements:


having the footnote number (down in front of the footnote text) in  
dark green is not that bad, just, why can't it be colored in an other  
way?

I tried in vain both in \setupfootnotes and \setupfootnotedefinition:  
numbercolor, color...
Only \setupfootnotes[textcolor=magenta] affects the footnote number in  
the main text.

But nothing changes in the footnote area.


Does this make sense?

Steffen
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Re: [NTG-context] how to color footnote?

2008-09-22 Thread Taco Hoekwater
Steffen Wolfrum wrote:
 ... while dealing with colored elements:
 
 
 having the footnote number (down in front of the footnote text) in  
 dark green is not that bad, just, why can't it be colored in an other  
 way?
 
 I tried in vain both in \setupfootnotes and \setupfootnotedefinition:  
 numbercolor, color...
 Only \setupfootnotes[textcolor=magenta] affects the footnote number in  
 the main text.
 
 But nothing changes in the footnote area.

\setupfootnotedefinition[before={\color[green]}]

Best wishes,
Taco
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Re: [NTG-context] how to color footnote?

2008-09-22 Thread Steffen Wolfrum

Am 22.09.2008 um 18:38 schrieb Taco Hoekwater:

 Steffen Wolfrum wrote:
 ... while dealing with colored elements:


 having the footnote number (down in front of the footnote text) in
 dark green is not that bad, just, why can't it be colored in an other
 way?

 I tried in vain both in \setupfootnotes and \setupfootnotedefinition:
 numbercolor, color...
 Only \setupfootnotes[textcolor=magenta] affects the footnote number  
 in
 the main text.

 But nothing changes in the footnote area.

 \setupfootnotedefinition[before={\color[green]}]



Ahh, now I see where my problem lays:


\setupcolors[state=start]

\starttext

\setupinteraction[state=start]

\setupfootnotes[textcolor=magenta]

\setupfootnotedefinition[before={\color[green]}]
test\footnote{test}

\stoptext



Despite the fact that interaction carries its own color, elements can  
be re-colored by their own color definition (see above).
Only the number of the note in front of the footnote text always gets  
overridden by interaction color!

This distinction I didn't expect.


Why should exclusively that poor little number not be allowed to have  
its own color?

Steffen
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Re: [NTG-context] how to color footnote?

2008-09-22 Thread Aditya Mahajan
On Mon, 22 Sep 2008, Steffen Wolfrum wrote:

 Ahh, now I see where my problem lays:


 \setupcolors[state=start]

 \starttext

 \setupinteraction[state=start]

 \setupfootnotes[textcolor=magenta]

 \setupfootnotedefinition[before={\color[green]}]
 test\footnote{test}

 \stoptext

 Despite the fact that interaction carries its own color, elements can
 be re-colored by their own color definition (see above).
 Only the number of the note in front of the footnote text always gets
 overridden by interaction color!

Because it is overridden by interaction color.

 This distinction I didn't expect.


 Why should exclusively that poor little number not be allowed to have
 its own color?

There should be a better way to do this (set interaction color and 
interaction style of each element separately), but for your case you can 
use

\setupcolors[state=start]

\starttext

\setupinteraction[state=start]

\setupfootnotes[textcolor=magenta]

\setupfootnotedefinition[before={\color[green]}]
test\footnote{test}

\stoptext



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Re: [NTG-context] how to color footnote?

2008-09-22 Thread Steffen Wolfrum
THAT'S GREAT:


Am 22.09.2008 um 21:32 schrieb Aditya Mahajan:

 On Mon, 22 Sep 2008, Steffen Wolfrum wrote:

 Ahh, now I see where my problem lays:


 \setupcolors[state=start]

 \starttext

 \setupinteraction[state=start]

 \setupfootnotes[textcolor=magenta]

 \setupfootnotedefinition[before={\color[green]}]
 test\footnote{test}

 \stoptext

 Despite the fact that interaction carries its own color, elements can
 be re-colored by their own color definition (see above).
 Only the number of the note in front of the footnote text always gets
 overridden by interaction color!

 Because it is overridden by interaction color.

It gets overridden by interaction color because it is overriden by  
interaction color?


 This distinction I didn't expect.


 Why should exclusively that poor little number not be allowed to have
 its own color?

 There should be a better way to do this (set interaction color and
 interaction style of each element separately), but for your case you  
 can
 use

 \setupcolors[state=start]

 \starttext

 \setupinteraction[state=start]

 \setupfootnotes[textcolor=magenta]

 \setupfootnotedefinition[before={\color[green]}]
 test\footnote{test}

 \stoptext


It's like a game for kids ... who finds the 10 differences between  
Aditya's lines and Steffen's lines?

=o)

Next try? Volunteers!

Who get's the little darkgreen footnote number paint in red ...  
nobody???


Steffen

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Re: [NTG-context] how to color footnote?

2008-09-22 Thread Aditya Mahajan
On Mon, 22 Sep 2008, Steffen Wolfrum wrote:

 THAT'S GREAT:

:)

 Am 22.09.2008 um 21:32 schrieb Aditya Mahajan:

 On Mon, 22 Sep 2008, Steffen Wolfrum wrote:

 Ahh, now I see where my problem lays:


 \setupcolors[state=start]

 \starttext

 \setupinteraction[state=start]

 \setupfootnotes[textcolor=magenta]

 \setupfootnotedefinition[before={\color[green]}]
 test\footnote{test}

 \stoptext

 Despite the fact that interaction carries its own color, elements can
 be re-colored by their own color definition (see above).
 Only the number of the note in front of the footnote text always gets
 overridden by interaction color!

 Because it is overridden by interaction color.

 It gets overridden by interaction color because it is overriden by
 interaction color?

:)

Ok, I guess I should read what I write. What I meant was that interaction 
is added last, so everything gets overridden by interaction colors.


 This distinction I didn't expect.


 Why should exclusively that poor little number not be allowed to have
 its own color?

 There should be a better way to do this (set interaction color and
 interaction style of each element separately), but for your case you
 can
 use

 \setupcolors[state=start]

 \starttext

 \setupinteraction[state=start]

 \setupfootnotes[textcolor=magenta]

 \setupfootnotedefinition[before={\color[green]}]
 test\footnote{test}

 \stoptext


 It's like a game for kids ... who finds the 10 differences between
 Aditya's lines and Steffen's lines?

 =o)

 Next try? Volunteers!

 Who get's the little darkgreen footnote number paint in red ...
 nobody???

Hopefully, will past e the correct thing this time

\setupcolors[state=start]

\setupinteraction[state=start]

\setupfootnotes[textcolor=magenta]

\setupfootnotedefinition[before={\setupinteraction[color=blue]}]

\starttext

\section[one] {Fist}

test\footnote{test}

See section \in[one].


\stoptext


Aditya
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Re: [NTG-context] color test not working

2008-09-14 Thread Peter Münster
On Sat, Sep 13 2008, Alan Stone wrote:

 All give a blackwhite output, except the rgb (somecolor): and
 (somecolor)*: ones

No problem here. Versions:

[EMAIL PROTECTED]:~ context --version
MtxRun | current version: 2008.09.10 14:01

[EMAIL PROTECTED]:~ pdftex --version
pdfTeX 3.1415926-1.40.9-2.2 (Web2C 7.5.7)

[EMAIL PROTECTED]:~ luatex --version
This is LuaTeX, Version snapshot-0.29.0-2008072108

Cheers, Peter

-- 
http://pmrb.free.fr/contact/

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Re: [NTG-context] color test not working

2008-09-14 Thread Yue Wang
Hans fix this program one week ago.

On Sun, Sep 14, 2008 at 5:04 AM, Alan Stone
[EMAIL PROTECTED] wrote:
 Hi,

 \setupcolors[state=start]

 \setupcolor[rgb]
 \setupcolor[xwi]
 \setupcolor[ema]

 \starttext

 \midaligned{\tfb \bf RGB colors}
 \blank[3*big]
 \showcolor[rgb]
 \page

 \midaligned{\tfb \bf XWI colors}
 \blank[3*big]
 \showcolor[xwi]
 \page

 \midaligned{\tfb \bf EMA colors}
 \blank[3*big]
 \showcolor[ema]

 \stoptext


 All give a blackwhite output, except the rgb (somecolor): and
 (somecolor)*: ones

 Qué pasa ?

 Best,
 Alan

 * using ConTeXt ver: 2008.08.18 14:00 MKIV fmt: 2008.8.22 int:
 english/english (on Windows XP)
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Re: [NTG-context] color test not working

2008-09-14 Thread Alan Stone
Thanks guys.

Updating...

Best,
Alan
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[NTG-context] color test not working

2008-09-13 Thread Alan Stone
Hi,

\setupcolors[state=start]

\setupcolor[rgb]
\setupcolor[xwi]
\setupcolor[ema]

\starttext

\midaligned{\tfb \bf RGB colors}
\blank[3*big]
\showcolor[rgb]
\page

\midaligned{\tfb \bf XWI colors}
\blank[3*big]
\showcolor[xwi]
\page

\midaligned{\tfb \bf EMA colors}
\blank[3*big]
\showcolor[ema]

\stoptext


All give a blackwhite output, except the rgb (somecolor): and
(somecolor)*: ones

Qué pasa ?

Best,
Alan

* using ConTeXt ver: 2008.08.18 14:00 MKIV fmt: 2008.8.22 int:
english/english (on Windows XP)
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Re: [NTG-context] Verbatim with color background

2008-09-07 Thread Aditya Mahajan
On Fri, 5 Sep 2008, Hans Hagen wrote:

 B. Tommy Jensen wrote:
 On Thu, 04 Sep 2008 10:12:47 +0200, Hans Hagen [EMAIL PROTECTED] wrote:

 Is there any other easy way of controlling the background
 color on verbatim areas?
 can you make a small example that shows where it goes wrong?


 The example I used is shown below. Other observations are:

   - The code works with mkIV but not mkII
   - Removing the chapters in the test file also make it work with mkII
   - I am using the latest win32 standalone ConTeXt

 works ok here

Works ok here also (linux + latex minimals)

Aditya
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Re: [NTG-context] Verbatim with color background

2008-09-07 Thread Aditya Mahajan
On Sun, 7 Sep 2008, Aditya Mahajan wrote:

 On Fri, 5 Sep 2008, Hans Hagen wrote:

 B. Tommy Jensen wrote:
 On Thu, 04 Sep 2008 10:12:47 +0200, Hans Hagen [EMAIL PROTECTED] wrote:

 Is there any other easy way of controlling the background
 color on verbatim areas?
 can you make a small example that shows where it goes wrong?


 The example I used is shown below. Other observations are:

   - The code works with mkIV but not mkII
   - Removing the chapters in the test file also make it work with mkII
   - I am using the latest win32 standalone ConTeXt

 works ok here

 Works ok here also (linux + latex minimals)
   ^

Sigh... I meant latest minimals


Aditya

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Re: [NTG-context] Verbatim with color background

2008-09-06 Thread Hans Hagen
B. Tommy Jensen wrote:
 On Thu, 04 Sep 2008 10:12:47 +0200, Hans Hagen [EMAIL PROTECTED] wrote:
 
 Is there any other easy way of controlling the background
 color on verbatim areas?
 can you make a small example that shows where it goes wrong?

 
 The example I used is shown below. Other observations are:
 
   - The code works with mkIV but not mkII
   - Removing the chapters in the test file also make it work with mkII
   - I am using the latest win32 standalone ConTeXt

works ok here


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Re: [NTG-context] Verbatim with color background

2008-09-04 Thread Hans Hagen
B. Tommy Jensen wrote:
 Hi,
 I have a short question about verbatim areas (\starttyping):
 
 I have been trying to define a background color to verbatim
 areas in a document. My method so far is to define a
 textbackground named verbatim and refer to this in the
 setuptyping method:
 
 \setuptyping[typing][margin=0.5cm,bodyfont=8.0pt,
 before={\starttextbackground[verbatim]},
 after={\stoptextbackground}]
 
 This works only partly. For example, when using long
 verbatim texts that spans over more than one page,
 the background color disappears on the last page.
 
 Is there any other easy way of controlling the background
 color on verbatim areas?

can you make a small example that shows where it goes wrong?

-
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  | www.pragma-pod.nl
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Re: [NTG-context] Verbatim with color background

2008-09-04 Thread B. Tommy Jensen
On Thu, 04 Sep 2008 10:12:47 +0200, Hans Hagen [EMAIL PROTECTED] wrote:

 Is there any other easy way of controlling the background
 color on verbatim areas?

 can you make a small example that shows where it goes wrong?


The example I used is shown below. Other observations are:

  - The code works with mkIV but not mkII
  - Removing the chapters in the test file also make it work with mkII
  - I am using the latest win32 standalone ConTeXt

Best regards,
Tommy Jensen


% START EXAMPLE

\setupcolors[state=start]

% We use Palatino as the main body font
\usetypescript[palatino][ec]
\setupbodyfont[palatino,10pt]

\definetextbackground[verbatim]
[background=color,
backgroundcolor=yellow,
backgroundoffset=0cm,
offset=0.5cm,
frame=on,
framecolor=black,
location=paragraph,
color=black]

% Setup verbatim
\setuptyping[typing][margin=1cm,bodyfont=8.0pt,
before={\starttextbackground[verbatim]},
after={\stoptextbackground}]

\starttext

\chapter{One}
Chapter one.

\chapter{Two}
Chapter two.

\chapter{Three}
Chapter three.

\starttyping
This is a long verbatim section.
This is a long verbatim section.
This is a long verbatim section.
This is a long verbatim section.
This is a long verbatim section.
This is a long verbatim section.
This is a long verbatim section.
This is a long verbatim section.
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[NTG-context] Verbatim with color background

2008-09-03 Thread B. Tommy Jensen
Hi,
I have a short question about verbatim areas (\starttyping):

I have been trying to define a background color to verbatim
areas in a document. My method so far is to define a
textbackground named verbatim and refer to this in the
setuptyping method:

\setuptyping[typing][margin=0.5cm,bodyfont=8.0pt,
before={\starttextbackground[verbatim]},
after={\stoptextbackground}]

This works only partly. For example, when using long
verbatim texts that spans over more than one page,
the background color disappears on the last page.

Is there any other easy way of controlling the background
color on verbatim areas?

Best regards,
Tommy Jensen
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Re: [NTG-context] Missing background color with \definetextbackground

2008-09-02 Thread Wolfgang Schuster
On Tue, Sep 2, 2008 at 9:46 AM, B. Tommy Jensen [EMAIL PROTECTED] wrote:
 On Tue, 02 Sep 2008 00:18:40 +0200, Mojca Miklavec
 [EMAIL PROTECTED] wrote:

 %
 \setupcolors[state=start]
 \definetextbackground[highlight][backgroundcolor=yellow,
 frame=on,

 %add
 background=color,

 location=text,
 color=blue]
 \starttext
 \starttextbackground[highlight]
 This text should have yellow background but it is white.
 The text is however blue.
 \stoptextbackground
 \stoptext
 %-

 Thanks for the prompt reply!

 I have tried to add background=color as an option, but the result is
 exactly the same;
 only the text gets colored; no frame and no background color appear.

 Do you have other ideas?

Is metapost or MPtoPDF called, take a in your terminal, dou you have
the metafun format and do you use MkII (texexec ...) or MkIV (context ...).

Wolfgang
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[NTG-context] \framed[backgroundcolor=x] might imply \framed[background=color]

2008-09-02 Thread Johan Sandblom
What would be the drawback of allowing

backgroundcolor=n imply background=color

and

backgroundscreen=x imply background=screen

in the setup to \framed. Background compatibility should not be an
issue and I am failing to imagine cases where it would not be
desirable.

Regards, Johan

-- 
Johan Sandblom, MD PhD
m +46735521477 Sweden
What is wanted is not the will to believe, but the
will to find out, which is the exact opposite
- Bertrand Russell
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Re: [NTG-context] \framed[backgroundcolor=x] might imply \framed[background=color]

2008-09-02 Thread Wolfgang Schuster
On Tue, Sep 2, 2008 at 11:27 AM, Johan Sandblom [EMAIL PROTECTED] wrote:
 What would be the drawback of allowing

 backgroundcolor=n imply background=color

 and

 backgroundscreen=x imply background=screen

 in the setup to \framed. Background compatibility should not be an
 issue and I am failing to imagine cases where it would not be
 desirable.

 Regards, Johan

backgroundscreen has a default value and with your description
the background will be always gray.

Wolfgang
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Re: [NTG-context] Missing background color with \definetextbackground

2008-09-02 Thread Wolfgang Schuster
On Tue, Sep 2, 2008 at 12:55 PM, B. Tommy Jensen [EMAIL PROTECTED] wrote:
 On Tue, 02 Sep 2008 11:08:36 +0200, Wolfgang Schuster
 [EMAIL PROTECTED] wrote:

 Do you have other ideas?

 Is metapost or MPtoPDF called, take a in your terminal, dou you have
 the metafun format and do you use MkII (texexec ...) or MkIV (context
 ...).

 Wolfgang

 Thanks a lot for pointing me in the right direction!

 I was using the texexec utility. When I tried the same with the context
 version, it rebuilt some formats and it now works exactly as expected.

 Sorry for being a novice here; is it so that the texexec utility should
 be consiered as obsolete?

But MkII should work too. Try texexec --make metafun --alone and now
texexec myfile.

Wolfgang
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Re: [NTG-context] Missing background color with \definetextbackground

2008-09-02 Thread B. Tommy Jensen
On Tue, 02 Sep 2008 00:18:40 +0200, Mojca Miklavec  
[EMAIL PROTECTED] wrote:

 %
 \setupcolors[state=start]
 \definetextbackground[highlight][backgroundcolor=yellow,
 frame=on,

 %add
 background=color,

 location=text,
 color=blue]
 \starttext
 \starttextbackground[highlight]
 This text should have yellow background but it is white.
 The text is however blue.
 \stoptextbackground
 \stoptext
 %-

Thanks for the prompt reply!

I have tried to add background=color as an option, but the result is  
exactly the same;
only the text gets colored; no frame and no background color appear.

Do you have other ideas?

Best regards,
Tommy Jensen
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Re: [NTG-context] Missing background color with \definetextbackground

2008-09-02 Thread B. Tommy Jensen
On Tue, 02 Sep 2008 11:08:36 +0200, Wolfgang Schuster  
[EMAIL PROTECTED] wrote:

 Do you have other ideas?

 Is metapost or MPtoPDF called, take a in your terminal, dou you have
 the metafun format and do you use MkII (texexec ...) or MkIV (context  
 ...).

 Wolfgang

Thanks a lot for pointing me in the right direction!

I was using the texexec utility. When I tried the same with the context
version, it rebuilt some formats and it now works exactly as expected.

Sorry for being a novice here; is it so that the texexec utility should
be consiered as obsolete?

Best regards,
Tommy Jensen
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Re: [NTG-context] Missing background color with \definetextbackground

2008-09-02 Thread B. Tommy Jensen
On Tue, 02 Sep 2008 13:08:56 +0200, Wolfgang Schuster  
[EMAIL PROTECTED] wrote:


 Sorry for being a novice here; is it so that the texexec utility  
 should
 be consiered as obsolete?

 But MkII should work too. Try texexec --make metafun --alone and now
 texexec myfile.

 Wolfgang

Thanks - this also now works! The context utility built the format
automatically while I had to run the command manually with texexec
(So context seems to be smarter than texexec).

My installation is the complete windows environment of context. I ran
the fist_setup.bat batch file after installation; this built many  
formats.
I don't know why the metafun format wasn't built - perhaps something
is missing from the setup file?

In any case - thanks a lot for the good advice.

Best regards,
Tommy Jensen


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[NTG-context] Color in math in MkIV

2008-09-02 Thread Aditya Mahajan
Hi,

The color commands do not work inside math mode in MKIV. For example

$f(\color[blue]{A}) = b$

$f({\blue A}) = b$

come out black and

$f(\blue{A}) = b$

colors everything blue. I have an easy work around for the moment:

\unprotected\def\mathcolor[#1]#2%
   {\preparebinrel{#2}
[EMAIL PROTECTED] #2$}}}


and then use \mathcolor.

Aditya

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Re: [NTG-context] Color in math in MkIV

2008-09-02 Thread Hans Hagen
Aditya Mahajan wrote:
 Hi,
 
 The color commands do not work inside math mode in MKIV. For example
 
 $f(\color[blue]{A}) = b$
 
 $f({\blue A}) = b$
 
 come out black and
 
 $f(\blue{A}) = b$
 
 colors everything blue. I have an easy work around for the moment:
 
 \unprotected\def\mathcolor[#1]#2%
{\preparebinrel{#2}
 [EMAIL PROTECTED] #2$}}}
 
 
 and then use \mathcolor.

math is on the agenda for later this year ... no attributes there yet

Hans


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  | www.pragma-pod.nl
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Re: [NTG-context] \framed[backgroundcolor=x] might imply \framed[background=color]

2008-09-02 Thread Peter Rolf
Johan Sandblom schrieb:
 What would be the drawback of allowing
 
 backgroundcolor=n imply background=color
 
 and
 
 backgroundscreen=x imply background=screen
 
 in the setup to \framed. Background compatibility should not be an
 issue and I am failing to imagine cases where it would not be
 desirable.

The background parameter is not fixed to 'color' or 'screen'. You can
use any type of overlay background (which itself can use the parameter
backgroundcolor). So the usage of 'backgroundcolor' doesn't always imply
'screen=color'. At least not in my macros.. :)


Best Wishes, Peter

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Re: [NTG-context] \framed[backgroundcolor=x] might imply \framed[background=color]

2008-09-02 Thread Hans Hagen
Peter Rolf wrote:
 Johan Sandblom schrieb:
 What would be the drawback of allowing

 backgroundcolor=n imply background=color

 and

 backgroundscreen=x imply background=screen

 in the setup to \framed. Background compatibility should not be an
 issue and I am failing to imagine cases where it would not be
 desirable.

 The background parameter is not fixed to 'color' or 'screen'. You can
 use any type of overlay background (which itself can use the parameter
 backgroundcolor). So the usage of 'backgroundcolor' doesn't always imply
 'screen=color'. At least not in my macros.. :)

is anyone using screen? deep down it's already mapped onto color anyway 
(the color mechanism will reduce colors anyway) .. if not, we might as 
well remove it from mkiv

Hans

ps. it dates from the time where not all printers could print gray areas 
and fallbacks were needed (fakes, real old code often)

-
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   Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
  tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
  | www.pragma-pod.nl
-
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Re: [NTG-context] \framed[backgroundcolor=x] might imply \framed[background=color]

2008-09-02 Thread Johan Sandblom
So perhaps as expected it turns out that the limitation was only in my
imagination. Thanks for the responses.

Johan

2008/9/2 Hans Hagen [EMAIL PROTECTED]:
 Peter Rolf wrote:
 Johan Sandblom schrieb:
 What would be the drawback of allowing

 backgroundcolor=n imply background=color

 and

 backgroundscreen=x imply background=screen

 in the setup to \framed. Background compatibility should not be an
 issue and I am failing to imagine cases where it would not be
 desirable.

 The background parameter is not fixed to 'color' or 'screen'. You can
 use any type of overlay background (which itself can use the parameter
 backgroundcolor). So the usage of 'backgroundcolor' doesn't always imply
 'screen=color'. At least not in my macros.. :)

 is anyone using screen? deep down it's already mapped onto color anyway
 (the color mechanism will reduce colors anyway) .. if not, we might as
 well remove it from mkiv

 Hans

 ps. it dates from the time where not all printers could print gray areas
 and fallbacks were needed (fakes, real old code often)

 -
   Hans Hagen | PRAGMA ADE
   Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
  tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
  | www.pragma-pod.nl
 -
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-- 
Johan Sandblom, MD PhD
m +46735521477 Sweden
What is wanted is not the will to believe, but the
will to find out, which is the exact opposite
- Bertrand Russell
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Re: [NTG-context] \framed[backgroundcolor=x] might imply \framed[background=color]

2008-09-02 Thread Peter Rolf
Johan Sandblom schrieb:
 So perhaps as expected it turns out that the limitation was only in my
 imagination. Thanks for the responses.

It's limited by your main focus. The drawbacks of specialismn (mine is
graphics, so I surely lack the textual part [not always (some would say
most times) aware of it]) :D

 Johan
 
 2008/9/2 Hans Hagen [EMAIL PROTECTED]:
 Peter Rolf wrote:
 Johan Sandblom schrieb:
 What would be the drawback of allowing

 backgroundcolor=n imply background=color

 and

 backgroundscreen=x imply background=screen

 in the setup to \framed. Background compatibility should not be an
 issue and I am failing to imagine cases where it would not be
 desirable.

 The background parameter is not fixed to 'color' or 'screen'. You can
 use any type of overlay background (which itself can use the parameter
 backgroundcolor). So the usage of 'backgroundcolor' doesn't always imply
 'screen=color'. At least not in my macros.. :)
 is anyone using screen? deep down it's already mapped onto color anyway
 (the color mechanism will reduce colors anyway) .. if not, we might as
 well remove it from mkiv

I can live without (and it's not a big deal to get the same effect with
a slightly different setup). So if it doesn't hurt too much, cut of the
old pigtails. *ConTeXt is a democratic kingdom* ;)

Regards, Peter

 Hans

 ps. it dates from the time where not all printers could print gray areas
 and fallbacks were needed (fakes, real old code often)

must be from the time before I was born (or realized what a printer is) ...

 -
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   Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
  tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
  | www.pragma-pod.nl
 -
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 ___

 
 
 

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[NTG-context] Missing background color with \definetextbackground

2008-09-01 Thread B. Tommy Jensen
Hi,
I am strugglig to get the background color visible with the following code:

%
\setupcolors[state=start]
\definetextbackground[highlight][backgroundcolor=yellow,
 frame=on,
 location=text,
 color=blue]
\starttext
\starttextbackground[highlight]
This text should have yellow background but it is white.
The text is however blue.
\stoptextbackground
\stoptext
%-

The background of the rendered text is always white, independent of the
backgroundcolor parameter. The font color is however OK (blue).
All other samples I have tried from details.pdf
behaves similarly - no background color and no frame/frame color.

I am using the latest complete standalone Windows version of Context.

Has anybody encountered a similar behaviour?

Best regards,
Tommy Jensen
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Re: [NTG-context] Missing background color with \definetextbackground

2008-09-01 Thread Aditya Mahajan
On Tue, 2 Sep 2008, B. Tommy Jensen wrote:

 Hi,
 I am strugglig to get the background color visible with the following code:

 %
 \setupcolors[state=start]
 \definetextbackground[highlight][backgroundcolor=yellow,
background=color,%--- Add this
 frame=on,
 location=text,
 color=blue]
 \starttext
 \starttextbackground[highlight]
 This text should have yellow background but it is white.
 The text is however blue.
 \stoptextbackground
 \stoptext
 %-

Add background=color to \definetextbackground

Aditya
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Re: [NTG-context] Missing background color with \definetextbackground

2008-09-01 Thread Mojca Miklavec
On Tue, Sep 2, 2008 at 12:06 AM, B. Tommy Jensen [EMAIL PROTECTED] wrote:
 Hi,
 I am strugglig to get the background color visible with the following code:

 %
 \setupcolors[state=start]
 \definetextbackground[highlight][backgroundcolor=yellow,
 frame=on,

%add
background=color,

 location=text,
 color=blue]
 \starttext
 \starttextbackground[highlight]
 This text should have yellow background but it is white.
 The text is however blue.
 \stoptextbackground
 \stoptext
 %-

 The background of the rendered text is always white, independent of the
 backgroundcolor parameter. The font color is however OK (blue).
 All other samples I have tried from details.pdf
 behaves similarly - no background color and no frame/frame color.

Mojca
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Re: [NTG-context] Background color of sometxt ignored

2008-08-31 Thread Hans Hagen
Aditya Mahajan wrote:
 Hi,
 
 In  2008.08.18 14:00 MKIV the background color of sometxt is ignored. I 
 used to use this trick to unfill the background while drawing a label, but 
 it no longer works (It used to work a month ago).
 
 Bug or feature?
 
 \unprotected\definetextext[parbox]
{\framed
  [ frame=off,
width=2cm,
   height=.85cm,
autowidth=no,
align={middle,middle},
  background=color,
  backgroundcolor=white]}
 
 \starttext
 
 \startMPcode
 draw (0,0) -- (3cm,3cm) ;
 label(\sometxt[parbox]{ABC}, (1.5cm,1.5cm)) ;
 \stopMPcode
 
 \stoptext

well, white is not the best test example

\unprotected\definetextext[parbox]
{\framed
  [ width=2cm,
   height=.85cm,
autowidth=no,
align={middle,middle},
  background=color,
  backgroundcolor=white]}

\startMPpage[background=color,backgroundcolor=red]
draw (0,0) -- (3cm,3cm) ;
label(\sometxt[parbox]{ABC}, (1.5cm,1.5cm)) ;
\stopMPpage

works ok here


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  | www.pragma-pod.nl
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[NTG-context] Background color of sometxt ignored

2008-08-30 Thread Aditya Mahajan
Hi,

In  2008.08.18 14:00 MKIV the background color of sometxt is ignored. I 
used to use this trick to unfill the background while drawing a label, but 
it no longer works (It used to work a month ago).

Bug or feature?

\unprotected\definetextext[parbox]
   {\framed
 [ frame=off,
   width=2cm,
  height=.85cm,
   autowidth=no,
   align={middle,middle},
 background=color,
 backgroundcolor=white]}

\starttext

\startMPcode
draw (0,0) -- (3cm,3cm) ;
label(\sometxt[parbox]{ABC}, (1.5cm,1.5cm)) ;
\stopMPcode

\stoptext

Aditya
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Re: [NTG-context] Background color of sometxt ignored

2008-08-30 Thread Aditya Mahajan
On Sat, 30 Aug 2008, Aditya Mahajan wrote:

 Hi,

 In  2008.08.18 14:00 MKIV the background color of sometxt is ignored. I
 used to use this trick to unfill the background while drawing a label, but
 it no longer works (It used to work a month ago).

 Bug or feature?

It works if I add

\setupcolors[state=start]

 \unprotected\definetextext[parbox]
   {\framed
 [ frame=off,
   width=2cm,
  height=.85cm,
   autowidth=no,
   align={middle,middle},
 background=color,
 backgroundcolor=white]}

 \starttext

 \startMPcode
 draw (0,0) -- (3cm,3cm) ;
 label(\sometxt[parbox]{ABC}, (1.5cm,1.5cm)) ;
 \stopMPcode

 \stoptext

Aditya
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Re: [NTG-context] color in drawoptions (mplib)

2008-06-12 Thread Hans Hagen
Taco Hoekwater wrote:

 -extra_endfig   := ;draw _tt_p_;   extra_endfig ;
 +extra_endfig   := ;addto currentpicture also _tt_p_;   extra_endfig;

subtle ... fixed

Hans

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   Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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  | www.pragma-pod.nl
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Re: [NTG-context] color in drawoptions (mplib)

2008-06-12 Thread Peter Rolf
Hans Hagen schrieb:
 Taco Hoekwater wrote:
 
 -extra_endfig   := ;draw _tt_p_;   extra_endfig ;
 +extra_endfig   := ;addto currentpicture also _tt_p_;   extra_endfig;
 
 subtle ... fixed
 
yep! works again. thank you!

 Hans
 
 -
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
   tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
   | www.pragma-pod.nl
 -
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Re: [NTG-context] color in drawoptions (mplib)

2008-06-12 Thread Taco Hoekwater


Peter Rolf wrote:
 hi,
 
 just encountered an expansion problem with color inside drawoptions...

The patch below fixes this issue.

Best wishes,
Taco

--- /opt/tex/texmf-local/metapost/context/base/mp-mlib.mp.orig
2008-05-12 12:14:46.0 +0200
+++ /opt/tex/texmf-local/metapost/context/base/mp-mlib.mp 
2008-06-12 18:13:34.785337518 +0200
@@ -26,7 +26,7 @@
  _tt_p_ := nullpicture ;
  enddef ;

-extra_endfig   := ;draw _tt_p_;   extra_endfig ;
+extra_endfig   := ;addto currentpicture also _tt_p_;   extra_endfig;
  extra_beginfig := extra_beginfig  resettextexts;;

  vardef rawtextext(expr str) =

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[NTG-context] Background color spaning columns.

2008-03-03 Thread Bart Wise
I am trying change the background color of some text.  It works fine if I am 
using one column.  It also works fine if I am using multiple columns, but 
restricting my background color changes to only a single line of text in a 
column.  

However, if I have a section that I want to I change, and that section spans 
more than one line in a given column it does not work.  What happens is that 
the background starts to change where you have indicated; however, instead of 
stopping at the end of the column, the background color changes for the 
entire text.  See the subject entitled Problem 1 below for an example.  Is 
there a fix for this (and no, using a single column is not a solution.)

Problem #2 is the same thing only the background change starts in the first 
column and extends to the second.  In this case the output is even worse.  
It's difficult to describe, so run the code.

Solutions?

Thanks,
Bart

***
* Sample Code --- #1
***
\setupcolors[state=start]
\definetextbackground[highlight][
backgroundcolor=yellow,
frame=off,
location=text,
color=black]
\definestartstop[Highlight][
before={\starttextbackground[highlight]},
after=\stoptextbackground]

\starttext
\subject{Problem 1}
\startcolumns
It was a·
\starthighlight dark·
and stormy night;  the rain fell in torrents --- except at
occasional intervals, when it was checked by a·
violent\stoptextbackground~
gust of wind which swept
up the streets (for it is in London that our scene lies), rattling along the
housetops, and fiercely agitating the scanty flame of the lamps that struggled
against the darkness.
\stopcolumns

\subject{Problem 2}
\startcolumns
It was a dark and stormy night;  the rain fell in torrents --- except at
occasional intervals, when it was checked by a violent gust of wind which·
\starthighlight·
swept up the streets (for it is in London that our scene lies), rattling along
the housetops, and fiercely agitating the scanty flame
\stophighlight
of the lamps that struggled
against the darkness.
\stopcolumns

\stoptext
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Re: [NTG-context] Background color spaning columns.

2008-03-03 Thread Aditya Mahajan
On Mon, 3 Mar 2008, Bart Wise wrote:

 I am trying change the background color of some text.  It works fine if I am
 using one column.  It also works fine if I am using multiple columns, but
 restricting my background color changes to only a single line of text in a
 column.

I have encountered this problem in the past. This is a limitations of the 
simple column mechanism.

 However, if I have a section that I want to I change, and that section spans
 more than one line in a given column it does not work.  What happens is that
 the background starts to change where you have indicated; however, instead of
 stopping at the end of the column, the background color changes for the
 entire text.  See the subject entitled Problem 1 below for an example.  Is
 there a fix for this (and no, using a single column is not a solution.)

Use columnsets. They are not as easy and simple as columns, but they 
provide a lot more features. See the columnset manual for details about 
using them.

Aditya
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Re: [NTG-context] color expansion at runtime

2007-12-17 Thread Taco Hoekwater


Peter Rolf wrote:
 
 I have written such a macro, but sadly it crashes when used inside
 \color or \definecolor. Tried to debug it, but this is my first
 experience with the trace commands (probably not the best example to
 start with). Sigh, still so much to learn.. :)

The problem is that it defines things, and you can't do that inside
an argument. Solution: rewrite the macro to define a new macro
(like \def\currentStateDependentColor{green}) instead of expanding
on the fly. Then you have to do something like this:

   \StateDependentColor[stateA=green,stateC=blue,whatever=yellow,...]
   \ color[\currentStateDependentColor]

And that should work.

Best wishes,
Taco
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Re: [NTG-context] color expansion at runtime

2007-12-17 Thread Peter Rolf
Taco Hoekwater schrieb:
 
 Peter Rolf wrote:
 I have written such a macro, but sadly it crashes when used inside
 \color or \definecolor. Tried to debug it, but this is my first
 experience with the trace commands (probably not the best example to
 start with). Sigh, still so much to learn.. :)
 
 The problem is that it defines things, and you can't do that inside
 an argument. Solution: rewrite the macro to define a new macro
 (like \def\currentStateDependentColor{green}) instead of expanding
 on the fly. Then you have to do something like this:
 
\StateDependentColor[stateA=green,stateC=blue,whatever=yellow,...]
\ color[\currentStateDependentColor]
 
 And that should work.
 

:))

THANK YOU TACO!!!

Best wishes, Peter

 Best wishes,
 Taco
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\setuppagenumber[state=stop]
\setupcolors[state=start]

\definecolor[colorA] [red]
\definecolor[colorB] [green]
\definecolor[colorC] [blue]

\newconditional\CondA
\newconditional\CondB
\newconditional\CondC


\unprotect

\def\CurrentStateDependentColor{}

\def\GetStateDependentColor#1%
  {\bgroup
   [EMAIL PROTECTED],B=,C=,#1]%
   \def\docommand##1%
 {\doifdefined{Cond##1} % conditional is known..
{\expandafter\ifconditional\csname Cond##1\endcsname % ..AND true..
   \doifsomething{\csname [EMAIL PROTECTED] % ..AND a color is assigned
 \donetrue
 \else\donefalse\fi}%
  \ifdone\xdef\CurrentStateDependentColor{\csname [EMAIL PROTECTED]
\expandafter\quitcommalist\fi}%
   \processcommacommand[A,B,C]\docommand % raw version does not work! why?
   \egroup}


\protect


\starttext

%\settrue\CondA
\settrue\CondB
\settrue\CondC

%\tracingonline=1
%\tracingall=1
%\tracingmacros=1
%\tracingcommands=2
\GetStateDependentColor{A=colorA,C=colorC}
%\definecolor[testcolor][\TESTcolor]
\switchtocolor[\CurrentStateDependentColor]
%\tracingmacros=0
%\tracingall=0
THANK YOU TACO!!!

\stoptext
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Re: [NTG-context] color expansion at runtime

2007-12-15 Thread Wolfgang Schuster
2007/12/14, Peter Rolf [EMAIL PROTECTED]:
 Hi,

 I desperately need runtime defined colors (state dependent) for my
 macros. The macros are used with different graphic styles, which is the
 reason why I want to avoid any style dependent part inside them.

 To give you an example. I need something like this

 \color[{\StateDependentColor[stateA=green,stateC=blue,whatever=yellow,...]}]

 If flag 'stateA' is true at runtime, then color 'green' is used (and so
 on; order is significant).

 I have written such a macro, but sadly it crashes when used inside
 \color or \definecolor. Tried to debug it, but this is my first
 experience with the trace commands (probably not the best example to
 start with). Sigh, still so much to learn.. :)

 Any hints are welcome.

 Regards, Peter

Hi Peter,

can you try this (untested),

\chardef\stateA\zerocount
\chardef\stateB\plusone
\chardef\stateC\plustwo

\let\currentstate\stateA

\def\statecolor{\ifcase\currentstate red\or green\or blue\fi}

\starttext

\color[\statecolor]{Currentstate}

\let\currentstate\stateB

\color[\statecolor]{Currentstate}

\let\currentstate\stateC

\color[\statecolor]{Currentstate}

\stoptext


Wolfgang
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Re: [NTG-context] color expansion at runtime

2007-12-15 Thread Peter Rolf
Wolfgang Schuster schrieb:
 2007/12/14, Peter Rolf [EMAIL PROTECTED]:
 Hi,

 I desperately need runtime defined colors (state dependent) for my
 macros. The macros are used with different graphic styles, which is the
 reason why I want to avoid any style dependent part inside them.

 To give you an example. I need something like this

 \color[{\StateDependentColor[stateA=green,stateC=blue,whatever=yellow,...]}]

 If flag 'stateA' is true at runtime, then color 'green' is used (and so
 on; order is significant).

 I have written such a macro, but sadly it crashes when used inside
 \color or \definecolor. Tried to debug it, but this is my first
 experience with the trace commands (probably not the best example to
 start with). Sigh, still so much to learn.. :)

 Any hints are welcome.

 Regards, Peter
 
 Hi Peter,
 
 can you try this (untested),

Hi Wolfgang,

your idea works pretty good (I haven't thought about \ifcase 'til now).
Still the problem is, that

- currentstate must be set somehow
- the colors and the number of used states vary from macro to macro

So I have to define individual variants of \statecolor (with non fixed
state=number pairs), or add an entry for every single state (currently
9). The later method is too ugly (imagine the case that you only need
states 0 and 8) and will be hard to maintain if new states arise.

I end up with 60 macros and that is what I want to avoid. Anyhow thanks
for your help.
I will try to trace my color macro while listening the right music for
such problems (Yo La Tengo - I am not afraid of you and will beat your
ass). Hopefully it works. ;)

Greetings, Peter

 
 \chardef\stateA\zerocount
 \chardef\stateB\plusone
 \chardef\stateC\plustwo
 
 \let\currentstate\stateA
 
 \def\statecolor{\ifcase\currentstate red\or green\or blue\fi}
 
 \starttext
 
 \color[\statecolor]{Currentstate}
 
 \let\currentstate\stateB
 
 \color[\statecolor]{Currentstate}
 
 \let\currentstate\stateC
 
 \color[\statecolor]{Currentstate}
 
 \stoptext
 
 
 Wolfgang
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Re: [NTG-context] color expansion at runtime

2007-12-15 Thread Wolfgang Schuster
2007/12/15, Peter Rolf [EMAIL PROTECTED]:
 Wolfgang Schuster schrieb:
  2007/12/14, Peter Rolf [EMAIL PROTECTED]:
  Hi,
 
  I desperately need runtime defined colors (state dependent) for my
  macros. The macros are used with different graphic styles, which is the
  reason why I want to avoid any style dependent part inside them.
 
  To give you an example. I need something like this
 
  \color[{\StateDependentColor[stateA=green,stateC=blue,whatever=yellow,...]}]
 
  If flag 'stateA' is true at runtime, then color 'green' is used (and so
  on; order is significant).
 
  I have written such a macro, but sadly it crashes when used inside
  \color or \definecolor. Tried to debug it, but this is my first
  experience with the trace commands (probably not the best example to
  start with). Sigh, still so much to learn.. :)
 
  Any hints are welcome.
 
  Regards, Peter
 
  Hi Peter,
 
  can you try this (untested),

 Hi Wolfgang,

 your idea works pretty good (I haven't thought about \ifcase 'til now).
 Still the problem is, that

 - currentstate must be set somehow
 - the colors and the number of used states vary from macro to macro

 So I have to define individual variants of \statecolor (with non fixed
 state=number pairs), or add an entry for every single state (currently
 9). The later method is too ugly (imagine the case that you only need
 states 0 and 8) and will be hard to maintain if new states arise.

It is hard to give a better solution because I don't what do you want to achive
and how your interface should look to change the states and colors ...

 I end up with 60 macros and that is what I want to avoid. Anyhow thanks
 for your help.
 I will try to trace my color macro while listening the right music for
 such problems (Yo La Tengo - I am not afraid of you and will beat your
 ass). Hopefully it works. ;)

 Greetings, Peter

I wish you good luck to find a better solution, I'm myself a little
busy till monday
and can't help you for the moment and I run into a few other ConTeXt problems
(and bugs, mkii and mkiv) the last two days and wasted to many time with them.

Wolfgang
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[NTG-context] color expansion at runtime

2007-12-14 Thread Peter Rolf
Hi,

I desperately need runtime defined colors (state dependent) for my
macros. The macros are used with different graphic styles, which is the
reason why I want to avoid any style dependent part inside them.

To give you an example. I need something like this

\color[{\StateDependentColor[stateA=green,stateC=blue,whatever=yellow,...]}]

If flag 'stateA' is true at runtime, then color 'green' is used (and so
on; order is significant).

I have written such a macro, but sadly it crashes when used inside
\color or \definecolor. Tried to debug it, but this is my first
experience with the trace commands (probably not the best example to
start with). Sigh, still so much to learn.. :)

Any hints are welcome.

Regards, Peter

\setuppagenumber[state=stop]
\setupcolors[state=start]

\definecolor[colorA] [red]
\definecolor[colorB] [green]
\definecolor[colorC] [blue]

\newconditional\CondA
\newconditional\CondB
\newconditional\CondC


\unprotect

\def\GetStateDependentColor[#1]%
  {\bgroup
   [EMAIL PROTECTED],B=,C=,#1]%
   \def\MYdocommand##1%
 {\doifdefined{Cond##1} % conditional is known..
{\expandafter\ifconditional\csname Cond##1\endcsname % ..AND true..
   \edef\CurrentColor{\csname [EMAIL PROTECTED]
   \def\CurrentColor{}\fi
 \doifelsenothing\CurrentColor % ..AND a color is assigned
   \donefalse\donetrue}%
  \ifdone\CurrentColor\expandafter\quitcommalist\fi}%
   \processcommacommand[A,B,C]\MYdocommand % raw version does not work! why?
   \egroup}

\protect


\starttext

\setfalse\CondA
\settrue\CondB
\settrue\CondC

\tracingonline=1
%\tracingall=1
%\tracingmacros=1
%\tracingcommands=2
color is -\GetStateDependentColor[A=colorA,C=colorC]- % works so far
%\tracingmacros=0
%\tracingall=0

% crashes

%\tracingall=1
%\tracingmacros=1
%\tracingcommands=2
%\definecolor[testcolor][{\GetStateDependentColor[A=colorA,C=colorC]}]
%\color[testcolor]
%\color[{\GetStateDependentColor[A=colorA,C=colorC]}]
%\expandafter\color\expandafter[\expandafter{\GetStateDependentColor[A=colorA,C=colorC]}]
%\tracingall=0
TEST

\stoptext
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Re: [NTG-context] color expansion at runtime

2007-12-14 Thread Thomas A. Schmitz

On Dec 14, 2007, at 5:57 PM, Peter Rolf wrote:

 Hi,

 I desperately need runtime defined colors (state dependent) for my
 macros. The macros are used with different graphic styles, which is  
 the
 reason why I want to avoid any style dependent part inside them.

 To give you an example. I need something like this

 \color 
 [{\StateDependentColor[stateA=green,stateC=blue,whatever=yellow,...]}]

 If flag 'stateA' is true at runtime, then color 'green' is used (and  
 so
 on; order is significant).

 I have written such a macro, but sadly it crashes when used inside
 \color or \definecolor. Tried to debug it, but this is my first
 experience with the trace commands (probably not the best example to
 start with). Sigh, still so much to learn.. :)

 Any hints are welcome.

I'm not quite sure I understand what you're trying to do, so this is a  
shot in the dark: instead of low-level trickery, you could use ConTeXt  
modes:

\startmode[A]
\definecolor [mycolor] [g=1]
\stopmode

\startmode[B]
\definecolor [mycolor] [r=1]
\stopmode

You can then set \enablemode[A] in your file or pass the mode on the  
commandline: texexec --mode=A

HTH

Thomas
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Re: [NTG-context] color expansion at runtime

2007-12-14 Thread Peter Rolf
Thomas A. Schmitz schrieb:
 On Dec 14, 2007, at 5:57 PM, Peter Rolf wrote:
 
 Hi,

 I desperately need runtime defined colors (state dependent) for my
 macros. The macros are used with different graphic styles, which is  
 the
 reason why I want to avoid any style dependent part inside them.

 To give you an example. I need something like this

 \color 
 [{\StateDependentColor[stateA=green,stateC=blue,whatever=yellow,...]}]

 If flag 'stateA' is true at runtime, then color 'green' is used (and  
 so
 on; order is significant).

 I have written such a macro, but sadly it crashes when used inside
 \color or \definecolor. Tried to debug it, but this is my first
 experience with the trace commands (probably not the best example to
 start with). Sigh, still so much to learn.. :)

 Any hints are welcome.
 
 I'm not quite sure I understand what you're trying to do, so this is a  
 shot in the dark: instead of low-level trickery, you could use ConTeXt  
 modes:

 \startmode[A]
 \definecolor [mycolor] [g=1]
 \stopmode
 
 \startmode[B]
 \definecolor [mycolor] [r=1]
 \stopmode
 
 You can then set \enablemode[A] in your file or pass the mode on the  
 commandline: texexec --mode=A

Thanks Thomas for your help.

I can do this without low-level trickery, but this would mean one or two
(fore|backgroundcolor) additional macro(s) per building block (20) for
every graphic style (currently 2; more to come). This makes about 60
stupid little macros. nope.
I think that in some special cases I must do this anyway (where the
color is choosen from a combination of states), but most times a general
macro will do.

I will try to get it run this weekend (have to learn TeX debugging
first). But I wouldn't be surprised if this is the easier part of the
problem. We will see :)


Greetings, Peter

 HTH
 
 Thomas
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[NTG-context] odd background color behavior

2007-09-02 Thread Alan Bowen
I am using ConTeXt  ver: 2007.08.29 19:19 MKII  fmt and the pdftex  
engine


\definetextbackground[A][backgroundcolor=red]
\setuptextbackground
[backgroundoffset=0pt,
offset=0pt,
frame=off,
location=text,
background=color,
backgroundcorner=round]

gives a yellow background

and
\definetextbackground[A][backgroundcolor=yellow]

gives a gray background.

Any suggestions about to fix this?

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Re: [NTG-context] odd background color behavior

2007-09-02 Thread Alan Bowen
Sorry for the noise. The problem seems peculiar to the particular  
file that I was processing. Now to find out why...


Cheers, Alan


On Sep 2, 2007, at 8:41 AM, Alan Bowen wrote:

I am using ConTeXt  ver: 2007.08.29 19:19 MKII  fmt and the pdftex  
engine


\definetextbackground[A][backgroundcolor=red]
\setuptextbackground
[backgroundoffset=0pt,
offset=0pt,
frame=off,
location=text,
background=color,
backgroundcorner=round]

gives a yellow background

and
\definetextbackground[A][backgroundcolor=yellow]

gives a gray background.

Any suggestions about to fix this?

Alan
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[NTG-context] color expansion (not colo-new related)

2007-08-30 Thread Peter Rolf
Hi all,

I tried to seperate some style specific code to external variables. Most
things work so far, but the expansion of color causes me problems. I
must emphasize that this is no colo-new problem, as my code fails with
the old colo-ini too.

I have tried several things, but still no luck. What (expansion) magic
is missing in my code? Any help is welcome.

Peter
\setupcolors[state=start]

\newconditional\CondA
\newconditional\CondB
\newconditional\CondC

% state dependend color
\def\GetFGcolor#1#2#3#4#5{%
  \ifconditional\CondA
\ifconditional\CondC#4
\else#5\fi
  \else
\ifconditional\CondB#1
\else
  \ifconditional\CondC#2
  \else#3\fi
\fi
  \fi}%


\starttext

%\settrue\CondA
%\settrue\CondB
\settrue\CondC

\setvariables[FOO][foregroundcolor=\GetFGcolor{red}{green}{blue}{lightgray}{darkgray}]

\color[red]{color} is working.

\edef\FGcolor{\getvariable{FOO}{foregroundcolor}}
%\edef\FGcolor{\GetFGcolor{red}{green}{blue}{lightgray}{darkgray}}
FGcolor=\FGcolor


foregroundcolor= \color[\FGcolor]{\getvariable{FOO}{foregroundcolor}}% no color 
here

\stoptext

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Re: [NTG-context] color expansion (not colo-new related)

2007-08-30 Thread Hans Hagen
Peter Rolf wrote:
 Hi all,
 
 I tried to seperate some style specific code to external variables. Most
 things work so far, but the expansion of color causes me problems. I
 must emphasize that this is no colo-new problem, as my code fails with
 the old colo-ini too.
 
 I have tried several things, but still no luck. What (expansion) magic
 is missing in my code? Any help is welcome.

\def\GetFGcolor#1#2#3#4#5{%
   \ifconditional\CondA
 \ifconditional\CondC#4%
 \else#5\fi
   \else
 \ifconditional\CondB#1%
 \else
   \ifconditional\CondC#2%
   \else#3\fi
 \fi
   \fi}

you introduce spaces

btw, often its easier to remap colors



\def\test{\color[whatever]{some color}}

\definecolor[whatever][green] test
\definecolor[whatever][red] test

or to use palets or ...


-
   Hans Hagen | PRAGMA ADE
   Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
  tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
  | www.pragma-pod.nl
-
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Re: [NTG-context] color expansion (not colo-new related)

2007-08-30 Thread Peter Rolf
Hans Hagen schrieb:
 Peter Rolf wrote:
 Hi all,

 I tried to seperate some style specific code to external variables. Most
 things work so far, but the expansion of color causes me problems. I
 must emphasize that this is no colo-new problem, as my code fails with
 the old colo-ini too.

 I have tried several things, but still no luck. What (expansion) magic
 is missing in my code? Any help is welcome.
 
 \def\GetFGcolor#1#2#3#4#5{%
\ifconditional\CondA
  \ifconditional\CondC#4%
  \else#5\fi
\else
  \ifconditional\CondB#1%
  \else
\ifconditional\CondC#2%
\else#3\fi
  \fi
\fi}
 
 you introduce spaces

yes, stupid me :)

 btw, often its easier to remap colors
 
 
 
 \def\test{\color[whatever]{some color}}
 
 \definecolor[whatever][green] test
 \definecolor[whatever][red] test
 
 or to use palets or ...
 
I will think about it.

Thanks Hans!

 
 -
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
   tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
   | www.pragma-pod.nl
 -
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[NTG-context] Contrast color in \setupinteraction

2007-06-04 Thread Vyatcheslav Yatskovsky
Hello,

I use 

\setupcolors[state=start]
\setupinteraction[state=start]

and after I place the contents somewhere, the links that refer to the same page 
where the content is are red but others are green. I want them to be just the 
same.

I found that 
\setupinteraction[state=start, color=middleblue, contrastcolor=middleblue]
solves my problem, but is it the most elegant way to do? Can I just turn off 
the contrast?

Best,
Vyatcheslav Yatskovsky

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[NTG-context] Colour (color) in mathml

2007-01-31 Thread Duncan Hothersall
Hello.

I'm trying to implement part of a change-tracking system using colour to
highlight changed areas in a document. I use MathML for maths, and I
need to be able to apply colour to individual elements in an equation. I
thought I could do just simply
mi color=greenx/mi
but evidently not. It does look as though colour is dealt with in
x-newmml.tex, but not this way. Is there a way of colouring specific
elements of a MathML equation?

Thanks very much.

Duncan
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[NTG-context] Context, Metapost \sometxt and color

2006-12-02 Thread Wim Neimeijer
Hi

The following used to work, the text came out in the color red, now it 
is shown in black.
Am I doing something wrong here ? Or should I use something else instead ?
Any help appreciated

% example code
\setupcolors[state=start]
\starttext
\startMPcode
picture p;
p := \sometxt{$R_{\mu \nu } - \frac{1}{2} R - \Lambda g_{\mu \nu} = 
\kappa T_{\mu \nu}$} ;
p := p scaled 3;
draw p withcolor red;
\stopMPcode
\stoptext

Version info
This is pdfeTeX, Version 3.141592-1.30.3-2.2 (Web2c 7.5.5)
 \write18 enabled.
ConTeXt  ver: 2006.11.29 09:55 MK II  fmt: 2006.12.2  int: english/english

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