[NTG-context] defining font family for several options

jbf roma83537 at gmail.com
Thu Sep 3 23:06:28 CEST 2020


Thanks Otared. That clears up that little item :-)

BTW I know how to reduce font size in the headers (chapter titles) that 
appear on the recto pages, which I can do with something like 
\setupheader [style={\ss\switchtobodyfont[10pt]}], but it doesn't seem 
to affect the header (title of the book) on the verso pages, which is 
drawn from the simple statement:

\startdocument
   [metadata:title={Book title}]

Shouldn't  \setupheader affect both headers? Or is it possible I have 
left something out of my \setupheader declaration?

Julian

On 4/9/20 5:30 am, Otared Kavian wrote:
> Hi Julian,
>
> The tilde ~ in {\bf\ss #1.~#2} is only there to have an unbreakable fixed space between the dot and the first character of the chapter title.  Also in this way one can see that one has put a space there… :-)
>
> Best tegards: Otared
>
>> On 2 Sep 2020, at 23:29, jbf <roma83537 at gmail.com> wrote:
>>
>> Thanks Otared,
>>
>> Still off list. You are very patient but also very thorough, and this is making a huge difference to what is in fact a considerable challenge for me, but one I am coming to grips with. I believe this aspect of things is now clear to me. No hurry, but when you have a moment can you explain the significance of the ~ in the {\bf\ss #1.~#2}}part of the definition, before the 2nd element?
>>
>> After this I'll go back on list! I still have a couple of other queries (not font related) about things that are not functioning as they ought at the moment, which means I'll need either some understanding or some tweaking, but as always there are people on the list like yourself who are prompt with their assistance.
>>
>> Kind regards,
>>
>> Julian
>>
>> On 3/9/20 12:34 am, Otared Kavian wrote:
>>> Hi Julian,
>>>
>>> First of all, your definition of mychapterfont is incomplete: a font family should contain also math fonts, because even if you don't have mathematics in your text where you use that font, ConTeXt may pick some characters from math fonts. So in my opinion you should define a whole font family named mychapterfont, where in particular the sans serif comes from what you are indicating.
>>>
>>> The second point is that you should not setup bodyfont twice: when you say twice \setupbodyfont, ConTeXt will take the last one for the rest of your document…
>>> So you say only once
>>> 	\setupbodyfont[mainface]
>>> and then only where you want to change the font you say
>>> 	\start \switchtobodyfont[mychapterfont] \ss My special text. \stop
>>>
>>> By the way, as we said earlier, you can also use braces instead of \start\stop, and even better you can say
>>>
>>> 	\start \switchtobodyfont[mychapterfont,sans] My special text. \stop
>>>
>>> A third point is that if you are using mychapterfont only to set the titles of chapters, in my opinion it would be better to define a command which takes care of all the formatting you are wishing, and then use it in the chapter header. Something like
>>>
>>> \define[2]\MyChapterCommand{\switchtobodyfont[mychapterfont,12pt] {\bf\ss #1.~#2}}
>>> \setuphead[chapter][command=\MyChapterCommand]
>>>
>>> In this way you can just say
>>>
>>> \startchapter[title={This is my first chapter}]
>>>
>>> \input ward.tex
>>>
>>> \stopchapter
>>>
>>> without the hassles of formatting each title. If only some chapters have the special font, then you can define a new family of chapters which may share the same counter as the rest of your chapters.
>>>
>>> Best regards: Otared
>>>
>>>> On 2 Sep 2020, at 03:30, jbf <roma83537 at gmail.com> wrote:
>>>>
>>>> Otared, I thought I had it right - and it is partly right, but that newly declared font now applies to everything, not just the chapter title. So I haven't got it quite right! Maybe I shouldn't bother the list with these extra bits so am writing off list. Here is what my font definitions now look like (new one highlighted):
>>>>
>>>> \definefontfamily [mainface] [rm] [alegreya] [sc=file:alegreyasc-bold]
>>>> \definefontfamily [mainface] [ss] [dax][tf=file:dax-regular,bf=file:dax-medium]
>>>> \definefontfamily [mainface] [mm] [alegreya]
>>>> \definefontfamily [mychapterfont] [ss] [itcavantgardepromd] [ss=file:itcavantgardepro-md]
>>>> \setupbodyfont[mainface]
>>>> \setupbodyfont[mychapterfont]
>>>>
>>>> I presumed I would have to \setupbodyfont[mychapterfont], but is this where I have gone wrong?.
>>>>
>>>> Then in the first chapter, I wrote as follows:
>>>>
>>>> \chapter{{\switchtobodyfont[mychapterfont] \ss Introduction to the BDACE Online Project}} and I am getting my AvanteGardePro-MD font alright, but it now applies to the whole document!
>>>>
>>>> I tried following title with \start switchtobodyfont[mainface] \rm and then my body text (followed by \stop obviously, at the end of the chapter). But this did not work.
>>>>
>>>> I then thought that I could use this [mychapterfont] and include it somehow in my \setuphead[chapter] so it would work for all chapter titles, along the lines of: \setuphead [chapter] [header=empty, {\switchtobodyfont[mychapterfont] \ss}] but that hasn't worked either - my body text throughout is still in the sans serif, not the usual [mainface] [rm]
>>>>
>>>> I think the problem is that if I define two or more \setupbodyfont items, it is the last of them that controls what happens. But if I don't set up the newly-defined [mychapterfont] then it is not recognised when I call it in. So what am I doing wrong? You see, I seem to back to the very first question I asked, which involved setting up two separate bodyfonts. So what is it I haven't understood?
>>>>
>>>> Julian
>>>>
>>>>
>>>>
>>>> On 2/9/20 9:59 am, Otared Kavian wrote:
>>>>> Hi Julian,
>>>>>
>>>>> What Aditya means is that you define two (or more) font families: one is named mainface as yu have already done, the other named mychapterfont (for instance) where you attribute whatever fonts you wish to sans serif and else. Then when you want to use the special font in some of the titles you use
>>>>>
>>>>> {\switchtobodyfont[mychapterfont]\ss my text}
>>>>>
>>>>> You can use also
>>>>>
>>>>> \start \switchtobodyfont[mychapterfont] \ss my text \stop
>>>>>
>>>>> in case the braces are not convenient for a longer text.
>>>>>
>>>>> Best regards: Otared
>>>>>
>>>>>
>>>>>> On 2 Sep 2020, at 01:22, jbf <roma83537 at gmail.com>
>>>>>>   wrote:
>>>>>>
>>>>>> I presume you mean, {\switchtobodyfont[itcavantgarde]\ss My text} for the case I mentioned?
>>>>>>
>>>>>> Because at no point in the example I gave of \definefontfamily[mainface] had I defined ss as an AvanteGarde typeface, and that is the heart of my question. Can I somehow define two kinds of sans serif for different uses?
>>>>>>
>>>>>> It was earlier suggested (Hraban) I might be able to do away with the serif font or use calligraphy, but I need the rm and I don't need cg (though, was the suggestion that I could use the initials cg but set up the typeface in fact as a sans serif, in this case AvantGarde? Is that possible? In which case I could also use hw as well for a different typeface as well?). As you can see, I am trying to get to grips with this whole typeface issue which I find a bit complicated.
>>>>>>
>>>>>> Julian
>>>>>>
>>>>>>
>>>>>> On 2/9/20 9:08 am, Aditya Mahajan wrote:
>>>>>>
>>>>>>> On Tue, 1 Sep 2020, jbf wrote:
>>>>>>>
>>>>>>>
>>>>>>>> Perhaps someone can assist me with the following query. I have a
>>>>>>>> situation where I need to use more than one sans serif fonts (especially
>>>>>>>> within complicated chapter heads). I currently have the following:
>>>>>>>>
>>>>>>>> \definefontfamily [mainface] [rm] [alegreya]
>>>>>>>> \definefontfamily [mainface] [ss] [dax][tf=
>>>>>>>> file:dax-regular
>>>>>>>> ]
>>>>>>>> \definefontfamily [mainface] [mm] [alegreya]
>>>>>>>> \setupbodyfont[mainface]
>>>>>>>> \setupbodyfont[11pt]
>>>>>>>>
>>>>>>>> But what if I need to have, in addition to the Dax sans serif typeface,
>>>>>>>> an additional sans serif typeface such as ITCAvantGarde? How do I
>>>>>>>> declare that? Do I just give it another name, e.g.
>>>>>>>> \definefontfamily[chapter][itcavantgarde] etc? If I did that, how then
>>>>>>>> do I refer to it? Obviously not just as {\ss my text} since that would
>>>>>>>> call in the dax font.
>>>>>>>>
>>>>>>> {\switchtobodyfont[chapter]\ss my text}
>>>>>>>
>>>>>>> I tried to improve the explanation on the wiki:
>>>>>>> https://wiki.contextgarden.net/Font_Switching#Switching_typefaces
>>>>>>>
>>>>>>>
>>>>>>> Aditya
>>>>>>> ___________________________________________________________________________________
>>>>>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>>>>>
>>>>>>> maillist :
>>>>>>> ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>>>>>>
>>>>>>> webpage  :
>>>>>>> http://www.pragma-ade.nl / http://context.aanhet.net
>>>>>>>
>>>>>>> archive  :
>>>>>>> https://bitbucket.org/phg/context-mirror/commits/
>>>>>>>
>>>>>>> wiki     :
>>>>>>> http://contextgarden.net
>>>>>>>
>>>>>>> ___________________________________________________________________________________
>>>>>>>
>>>>>> ___________________________________________________________________________________
>>>>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>>>>
>>>>>> maillist :
>>>>>> ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>>>>>
>>>>>> webpage  :
>>>>>> http://www.pragma-ade.nl / http://context.aanhet.net
>>>>>>
>>>>>> archive  :
>>>>>> https://bitbucket.org/phg/context-mirror/commits/
>>>>>>
>>>>>> wiki     :
>>>>>> http://contextgarden.net
>>>>>>
>>>>>> ___________________________________________________________________________________
>>>>>>
>>>>> ___________________________________________________________________________________
>>>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>>>
>>>>> maillist :
>>>>> ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>>>>
>>>>> webpage  :
>>>>> http://www.pragma-ade.nl / http://context.aanhet.net
>>>>>
>>>>> archive  :
>>>>> https://bitbucket.org/phg/context-mirror/commits/
>>>>>
>>>>> wiki     :
>>>>> http://contextgarden.net
>>>>>
>>>>> ___________________________________________________________________________________
>>>>>


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