[NTG-context] Re: Decreasing size of the section number according to its level

[Hans Hagen via ntg-context <ntg-context@ntg.nl>]

On 1/23/2025 11:46 PM, Wolfgang Schuster wrote:
> Am 23.01.2025 um 23:00 schrieb garulfo@azules.eu:
>> Hi,
>>
>> in setuphead, I try to get a decreasing size of the section number 
>> according to its level
>> with \defineconversion and \definestructureconversionset.
>> It works as expected for the first levels, but between 6th and 7th, 
>> the variation doesn't occur.
> 
> The missing font change occurs between level 5 and 6 when you use the 
> correct conversion name as shown below.
> 
> The reason for this is the default font size for the sections and the 
> fact that \tf doesn't switch to the default font size, i.e. when you use 
> \tf after \tfa the a-size remains.
> 
> \starttext
> \tfa{\tfc 1.}{\tfb 1.}{\tfa 1.}{\tf 1.}{\tfx 1}
> \stoptext
> 
> 
>> Any clue about what is happening ?
>>
>> For the MVE, I've added a visual check in dark red to show the 
>> discrepancy.
>>
>> \setuppapersize[A5]
>>
>> \define[1]\NivA{\tfc #1}
>> \defineconversion[NA][\NivA]
>>
>> \define[1]\NivB{\tfb #1}
>> \defineconversion[NB][\NivB]
>>
>> \define[1]\NivC{\tfa #1}
>> \defineconversion[NC][\NivC]
>>
>> \define[1]\NivD{\tf #1}
>> \defineconversion[ND][\NivD]
>>
>> \define[1]\NivE{\tfx #1}
>> \defineconversion[ND][\NivE]
> 
> This should be: \defineconversion[NE][\NivE]
> 
> A better alternative is to create a processor for each conversion.
> 
> \defineprocessor [level_3] [style=\tfc]
> \defineprocessor [level_4] [style=\tfb]
> \defineprocessor [level_5] [style=\tfa]
> \defineprocessor [level_6] [style=\tf ]
> \defineprocessor [level_7] [style=\tfx]

A variant:

\defineprocessor [level_3] 
[style=\glyphscale\numericscaled1.5\glyphscale\relax] % \glyphscale 1500
\defineprocessor [level_4] 
[style=\glyphscale\numericscaled1.3\glyphscale\relax] % \glyphscale 1300
\defineprocessor [level_5] 
[style=\glyphscale\numericscaled1.1\glyphscale\relax] % \glyphscale 1100
\defineprocessor [level_6] 
[style=\glyphscale\numericscaled0.9\glyphscale\relax] % \glyphscale 0900
\defineprocessor [level_7] 
[style=\glyphscale\numericscaled0.7\glyphscale\relax] % \glyphscale 0700

> \defineconversionset
>    [mysectionnumbers]
>    [n,n,level_3->n,level_4->n,level_5->n,level_6->n,level_7->n]
>    [n]
> 
> Wolfgang
> 
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