[luatex] luatex - font encoding for type 1 fonts

[Hans Hagen]

On 6/24/2016 2:18 PM, Pali Rohár wrote:
> On Friday 24 June 2016 14:14:24 Hans Hagen wrote:
>> On 6/24/2016 2:10 PM, Pali Rohár wrote:
>>> On Friday 24 June 2016 14:01:25 Hans Hagen wrote:
>>>> On 6/24/2016 1:33 PM, Pali Rohár wrote:
>>>>
>>>>>> (2) the several
>>>>>> cs related packages don't seem to come with afm files,
>>>>>
>>>>> Not several, but all! Metrics are stored in ftm files, e.g. csr10.tfm.
>>>>> For each font there is metafont source code, tex metrics and for some
>>>>> also type1 variant (as pfb file): csr10.mf csr10.tfm csr10.pfb
>>>>
>>>> afaiks no afm files
>>>
>>> And why do you need afm files? Are not TeX metrics (tfm) enough?
>>
>> then you can just load the font (given that the afm matches the pfb)
>
> AFM file contains just font metrics, right? Why is TFM file (which
> contains also metrics) usable? What I trying understand is where is the
> problem as until now TFM + PFB was enough...

because afm/pfb files contain info about what characters we have while 
the tfm file only has metrics (in which case one also needs to interpret 
the encoding vector)

Hans

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
       tel: 038 477 53 69 | www.pragma-ade.com | www.pragma-pod.nl
-----------------------------------------------------------------