Re: Problem loading a DLL with the latest Ctx beta

[Hans Hagen <pragma@wxs.nl>]

On 4/6/2017 11:03 AM, Procházka Lukáš Ing. wrote:
> Hello Akira,
>
> you mention possibility of --shell-escape at
>     http://tug.org/pipermail/luatex/2017-March/006410.html.
>
> How exactly do you mean to combine "ffi" and "--shell-escape" to work
> with latest ConTeXt/LuaTeX?
>
> (I tried (rather amateurishly) to run "context --shell-escape
> WinTest.mkiv" - but it didn't help.)

context doesn't use --shell-escape (control over executables happens via 
the sandbox mechanism)

> BTW:
>
> WinCon.dll contains some functions to print COLORED text to the console
> screen and enables some basic WinAPI functions (like capturing window
> bitmap) to Lua;
> I've been using especially colored printing in combination with ConTeXt
> ("warnings" in magenta, "errors" in red...).

local ansicolor = {
     r = function(s)
         return "^[[0;31m" .. s .."^[[0;1m"
     end,
     g = function(s)
         return "^[[0;32m" .. s .."^[[0;1m"
     end,
     b = function(s)
         return "^[[0;34m" .. s .."^[[0;1m"
     end,
     c = function(s)
         return "^[[0;36m" .. s .."^[[0;1m"
     end,
     m = function(s)
         return "^[[0;35m" .. s .."^[[0;1m"
     end,
     y = function(s)
         return "^[[0;33m" .. s .."^[[0;1m"
     end
}

local formatters = string.formatters

utilities.strings.formatters.add(formatters, "cr", [[cr(%s)]], { cr = 
ansicolor.r })
utilities.strings.formatters.add(formatters, "cg", [[cg(%s)]], { cg = 
ansicolor.g })
utilities.strings.formatters.add(formatters, "cb", [[cb(%s)]], { cb = 
ansicolor.b })
utilities.strings.formatters.add(formatters, "cc", [[cc(%s)]], { cc = 
ansicolor.c })
utilities.strings.formatters.add(formatters, "cm", [[cm(%s)]], { cm = 
ansicolor.m })
utilities.strings.formatters.add(formatters, "cy", [[cy(%s)]], { cy = 
ansicolor.y })

print(ansicolor.r("red"))
print(ansicolor.g("green"))
print(ansicolor.b("blue"))
print(ansicolor.c("cyan"))
print(ansicolor.m("magenta"))
print(ansicolor.y("yellow"))

logs.writer(formatters["this is in %!cr! or %!cg! or %!cb! or 
%s"]("red","green","blue","oeps"))
logs.report("whatever","this is in %!cr! or %!cg! or %!cb! or 
%s","red","green","blue","oeps")

(you can also use mtxrun --ansi ....)

> Any way to re-enable user DLL loading into ConTeXt, even in the future,
> would be appreciated...
>
> Best regards,
>
> Lukas
>
>
> On Thu, 06 Apr 2017 00:05:28 +0200, Akira Kakuto
> <kakuto@fuk.kindai.ac.jp> wrote:
>
>>> I encountered problem loading WinCon.dll
>>> (a module that I wrote and I've been using for several years)
>>
>> In the new lua(jit)tex, one cannot use DLL modules.
>> See my mail in
>> http://tug.org/pipermail/luatex/2017-March/006410.html
>> http://tug.org/pipermail/luatex/2017-March/006413.html
>>
>> Reason:
>> I could not build usable binaries for the new sources by
>> linking dynamically lua-5.2.4 or luajit.
>> Thus I changed to link lua-5.2.4 etc. statically.
>>
>> Best,
>> Akira
>>
>> ___________________________________________________________________________________
>>
>> 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
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>> ___________________________________________________________________________________
>>
>
>


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