Re: [NTG-context] ConText, TikZ and definecolor: undefined control sequence
On Wed, Oct 27, 2010 at 22:08, Michael Murphy michael.mur...@uni-ulm.de wrote:
On 27/10/2010 19:18, Marius wrote:
Hello,
I had the same problem, so I desided to define colors by hand.
\definecolor [lightgray] [h=D3D3D3]
\usemodule[tikz]
\unprotect
\pgfu...@definecolor{black}{gray}{0}
\pgfu...@definecolor{gray}{gray}{0.5}
\pgfu...@definecolor{lightgray}{gray}{0.9}
\pgfu...@definecolor{white}{gray}{1}
\protect
Yes, this is what I've resorted to. But it would be nice to define things
properly.
If you want to fix script, you need to change line:
local cv = colors.value(attributes)
The table colors is expected to have a function named value that
take the attributes parameter as its sole parameter itself. It then
assigns the result to the local variable cv. After some research,
adding local colors = global.attributes.colors below the line
local prtcatcodes = tex.prtcatcodes works. There is a catch however,
you can't use opacity on these colors. I suppose we have to generate
all the transparency level by using spot colors or something like
that.
However, I still need to
add\let\appendtoPDFdocumentcolorspaces\gobbleoneargument
\let\appendtoPDFdocumentextgstates\gobbleoneargument and
\let\PDFcolor\gobbleoneargument before loading the TikZ module in
order for my documents to build without errors. These macros used to
be defined in mkii (spec-fdf.mkii) and TikZ relies on them
(tex/generic/pgf/utilities/pgfutil-context.def) but not anymore in
mkiv since the color support has changed between mkii and mkiv. I
suppose they had to do with the color support for PDF files, but
letting them gobble their argument still seems to work. On what side
should this problem be looked into: ConTeXt or TikZ?
Regards.
-- Cédric
into
local cv = attributes.colors.values
Just guess, untested.
Nope, doesn't work. Using
local colors = colors or { }
gets me a little further, but then complains that 'value' is a nil value. I
don't know enough Lua to fix this either. Strangely, it seems to work on
some older MkIV versions of ConTeXt...
Michael.
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Re: [NTG-context] ConText, TikZ and definecolor: undefined control sequence
Actually, the opacity works great!
-- Cédric
On Thu, Oct 28, 2010 at 09:54, Cedric Mauclair
cedric.maucl...@gmail.com wrote:
On Wed, Oct 27, 2010 at 22:08, Michael Murphy michael.mur...@uni-ulm.de
wrote:
On 27/10/2010 19:18, Marius wrote:
Hello,
I had the same problem, so I desided to define colors by hand.
\definecolor [lightgray] [h=D3D3D3]
\usemodule[tikz]
\unprotect
\pgfu...@definecolor{black}{gray}{0}
\pgfu...@definecolor{gray}{gray}{0.5}
\pgfu...@definecolor{lightgray}{gray}{0.9}
\pgfu...@definecolor{white}{gray}{1}
\protect
Yes, this is what I've resorted to. But it would be nice to define things
properly.
If you want to fix script, you need to change line:
local cv = colors.value(attributes)
The table colors is expected to have a function named value that
take the attributes parameter as its sole parameter itself. It then
assigns the result to the local variable cv. After some research,
adding local colors = global.attributes.colors below the line
local prtcatcodes = tex.prtcatcodes works. There is a catch however,
you can't use opacity on these colors. I suppose we have to generate
all the transparency level by using spot colors or something like
that.
However, I still need to
add\let\appendtoPDFdocumentcolorspaces\gobbleoneargument
\let\appendtoPDFdocumentextgstates\gobbleoneargument and
\let\PDFcolor\gobbleoneargument before loading the TikZ module in
order for my documents to build without errors. These macros used to
be defined in mkii (spec-fdf.mkii) and TikZ relies on them
(tex/generic/pgf/utilities/pgfutil-context.def) but not anymore in
mkiv since the color support has changed between mkii and mkiv. I
suppose they had to do with the color support for PDF files, but
letting them gobble their argument still seems to work. On what side
should this problem be looked into: ConTeXt or TikZ?
Regards.
-- Cédric
into
local cv = attributes.colors.values
Just guess, untested.
Nope, doesn't work. Using
local colors = colors or { }
gets me a little further, but then complains that 'value' is a nil value. I
don't know enough Lua to fix this either. Strangely, it seems to work on
some older MkIV versions of ConTeXt...
Michael.
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Re: [NTG-context] ConText, TikZ and definecolor: undefined control sequence
Here is the fixed script.
On 27 October 2010 23:08, Michael Murphy michael.mur...@uni-ulm.de wrote:
On 27/10/2010 19:18, Marius wrote:
Hello,
I had the same problem, so I desided to define colors by hand.
\definecolor [lightgray] [h=D3D3D3]
\usemodule[tikz]
\unprotect
\pgfu...@definecolor{black}{gray}{0}
\pgfu...@definecolor{gray}{gray}{0.5}
\pgfu...@definecolor{lightgray}{gray}{0.9}
\pgfu...@definecolor{white}{gray}{1}
\protect
Yes, this is what I've resorted to. But it would be nice to define things
properly.
If you want to fix script, you need to change line:
local cv = colors.value(attributes)
into
local cv = attributes.colors.values
Just guess, untested.
Nope, doesn't work. Using
local colors = colors or { }
gets me a little further, but then complains that 'value' is a nil value. I
don't know enough Lua to fix this either. Strangely, it seems to work on
some older MkIV versions of ConTeXt...
Michael.
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colorfix.tex
Description: TeX document
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Re: [NTG-context] ConText, TikZ and definecolor: undefined control sequence
On 28-10-2010 9:54, Cedric Mauclair wrote:
On Wed, Oct 27, 2010 at 22:08, Michael Murphymichael.mur...@uni-ulm.de wrote:
On 27/10/2010 19:18, Marius wrote:
Hello,
I had the same problem, so I desided to define colors by hand.
\definecolor [lightgray] [h=D3D3D3]
\usemodule[tikz]
\unprotect
\pgfu...@definecolor{black}{gray}{0}
\pgfu...@definecolor{gray}{gray}{0.5}
\pgfu...@definecolor{lightgray}{gray}{0.9}
\pgfu...@definecolor{white}{gray}{1}
\protect
Yes, this is what I've resorted to. But it would be nice to define things
properly.
If you want to fix script, you need to change line:
local cv = colors.value(attributes)
The table colors is expected to have a function named value that
take the attributes parameter as its sole parameter itself. It then
assigns the result to the local variable cv. After some research,
adding local colors = global.attributes.colors below the line
local prtcatcodes = tex.prtcatcodes works. There is a catch however,
you can't use opacity on these colors. I suppose we have to generate
all the transparency level by using spot colors or something like
that.
There are several solutions to the problem.
\usemodule[tikz]
\startmode[mkiv]
\startluacode
thirddata = thirddata or { }
thirddata.pgf = thirddata.pgf or { }
local texsprint, prtcatcodes, format = tex.sprint, tex.prtcatcodes,
string.format
local function unsupported_color(name)
texsprint(prtcatcodes,format(\\PackageError{pgf}{color %s has
unsupported model}{}, name))
texsprint(prtcatcodes,format(\\pgfu...@definecolor{%s}{gray}{0},
name))
end
local colors = attributes.colors
function thirddata.pgf.registercolor(name,attribute) -- solution 1
local cv = colors.value(attribute)
if cv then
local model = colors.forcedmodel(cv[1])
if model 3 then
model = 3 -- no cmyk or spot or multitone
end
if model == 2 then
texsprint(prtcatcodes,format(\\pgfu...@definecolor{%s}{gray}{%1.3f},
name, cv[2]))
elseif model == 3 then
texsprint(prtcatcodes,format(\\pgfu...@definecolor{%s}{rgb}{%1.3f,%1.3f,%1.3f},
name, cv[3], cv[4], cv[5]))
else
unsupported_color(name)
end
else
unsupported_color(name)
end
end
function lpdf.pdfcolor(attribute)
context(lpdf.color(1,attribute))
end
\stopluacode
\stopmode
\unprotect
% solution 1 (also fallback when cmyk is used):
% \def\PDFcolor#1%
% {\ctxlua{thirddata.pgf.pdfcolor(\thecolorattribute{#1})}}
% solution 2 (faster as less parsing at the tex end):
% \def\pgfu...@registercolor#1%
% {\ctxlua{thirddata.pgf.registercolor(#1,\thecolorattribute{#1})}}
% solution 3 (backward compatible):
\def\PDFcolor#1%
{\ctxlua{lpdf.pdfcolor(\thecolorattribute{#1})}}
\protect
\definecolor[mycolora][r=1,g=0,b=1]
\definecolor[mycolorb][m=1]
\starttext
\starttikzpicture
\fill[mycolora] (0,0) circle (2);
\fill[mycolorb] (0,0) circle (1);
\stoptikzpicture
\stoptext
I'll define \pdfcolor for this purpose as that's what tikz expects.
However, I still need to
add\let\appendtoPDFdocumentcolorspaces\gobbleoneargument
\let\appendtoPDFdocumentextgstates\gobbleoneargument and
\let\PDFcolor\gobbleoneargument before loading the TikZ module in
order for my documents to build without errors. These macros used to
be defined in mkii (spec-fdf.mkii) and TikZ relies on them
(tex/generic/pgf/utilities/pgfutil-context.def) but not anymore in
mkiv since the color support has changed between mkii and mkiv. I
suppose they had to do with the color support for PDF files, but
letting them gobble their argument still seems to work. On what side
should this problem be looked into: ConTeXt or TikZ?
In pgfutil-context.def there should be no such commands called when mkiv
is used. Isn't there a
\doifmodeelse {mkiv} { ...
section? anyhow, in that section one can add
\ifdefined\PDFcolor \else
\ctxlua{function lpdf.pdfcolor(attribute)
context(lpdf.color(1,attribute)) end}
\def\PDFcolor#1{\ctxlua{lpdf.pdfcolor(\thecolorattribute{#1})}}
\fi
(in the next beta this is not needed as \PDFcolor is defined then)
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-
% Copyright 2006 by Till Tantau
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the file doc/generic/pgf/licenses/LICENSE for more details.
% The aux files, needed for reading back coordinates
\def\pgfu...@aux@r...@hook{
\pgfu...@iffileexists{\jobname.pgf}{\input \jobname.pgf\relax}{}
\csname newwrite\endcsname\pgfu...@auxout
\csname
Re: [NTG-context] ConText, TikZ and definecolor: undefined control sequence
On 28-10-2010 10:24, Cedric Mauclair wrote: Actually, the opacity works great! Officially it could hook into the context transparency model but I guess that that is too much hassle. Hans - Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl - ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] ConText, TikZ and definecolor: undefined control sequence
Sadly no. I once tried to modify it to make it work and I ended up
with what I proposed. Not very nice, but worked for me.
Thanks for your solution.
-- Cédric
On Thu, Oct 28, 2010 at 13:46, Hans Hagen pra...@wxs.nl wrote:
\ifdefined\PDFcolor \else
\ctxlua{function lpdf.pdfcolor(attribute) context(lpdf.color(1,attribute))
end}
\def\PDFcolor#1{\ctxlua{lpdf.pdfcolor(\thecolorattribute{#1})}}
\fi
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Re: [NTG-context] ConText, TikZ and definecolor: undefined control sequence
Hi,
Same problem here with the latest TikZ 2.10.
Regards.
-- Cédric
On Tue, Oct 26, 2010 at 12:20, Michael Murphy michael.mur...@uni-ulm.de wrote:
Hi,
I've been trying to get colors to work in TikZ, and found a nice fix by
Aditya here:
http://archive.contextgarden.net/message/20100120.220124.f2d3f8bc.en.html
The problem is that the lua script doesn't work: I get a problem with
'colors'.
LuaTeX error main ctx instance:13: attempt to index global 'colors' (a
nil value)
stack traceback:
main ctx instance:13: in function 'registercolor'
main ctx instance:1: in main chunk.
The input file from Aditya (called colorfix.tex) is
\startluacode
pgfutil = pgfutil or { }
local texsprint, format = tex.sprint, string.format
local prtcatcodes = tex.prtcatcodes
function pgfutil.unsupported_color(name)
texsprint(prtcatcodes,format(\\PackageError{pgf}{color %s has
unsupported model}{}, name))
texsprint(prtcatcodes,format(\\pgfu...@definecolor{%s}{gray}{0},
name))
end
function pgfutil.registercolor(name, attributes)
print(name, attributes)
local cv = colors.value(attributes)
if cv then
local model = cv[1]
if model == 1 then
print(model=1)
texsprint(prtcatcodes,format(\\pgfu...@definecolor{%s}{gray}{%
1.3f}, name, cv[2]))
elseif model == 3 then
print(model=2)
texsprint(prtcatcodes,format(\\pgfu...@definecolor{%s}{rgb}{%
1.3f,%1.3f,%1.3f}, name, cv[3], cv[4], cv[5]))
else
print(no model)
pgfutil.unsupported_color(name)
end
else
print(no color)
pgfutil.unsupported_color(name)
end
end
\stopluacode
\unprotect
\def\pgfu...@registercolor#1%
{\ctxlua{pgfutil.registercolor(#1,\thecolorattribute {#1})}}
\protect
and my test file is
\usemodule[tikz]
\input colorfix
\definecolor[mycolor][r=1,g=0,b=1]
\starttext
\starttikzpicture
\fill[mycolor] (0,0) circle (1);
\stoptikzpicture
\stoptext
I'm running the latest beta.
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Re: [NTG-context] ConText, TikZ and definecolor: undefined control sequence
On 27/10/2010 19:18, Marius wrote:
Hello,
I had the same problem, so I desided to define colors by hand.
\definecolor [lightgray] [h=D3D3D3]
\usemodule[tikz]
\unprotect
\pgfu...@definecolor{black}{gray}{0}
\pgfu...@definecolor{gray}{gray}{0.5}
\pgfu...@definecolor{lightgray}{gray}{0.9}
\pgfu...@definecolor{white}{gray}{1}
\protect
Yes, this is what I've resorted to. But it would be nice to define
things properly.
If you want to fix script, you need to change line:
local cv = colors.value(attributes)
into
local cv = attributes.colors.values
Just guess, untested.
Nope, doesn't work. Using
local colors = colors or { }
gets me a little further, but then complains that 'value' is a nil
value. I don't know enough Lua to fix this either. Strangely, it seems
to work on some older MkIV versions of ConTeXt...
Michael.
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