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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