[cairo] Scaled fixed size fonts

[Fred Kiefer]

On 19.01.2014 20:05, Uli Schlachter wrote:
> On 19.01.2014 17:26, Fred Kiefer wrote:
>> On 19.01.2014 12:31, Uli Schlachter wrote:
>>> On 19.01.2014 02:14, James Cloos wrote:
>>>>>>>>> "US" == Uli Schlachter <psychon at znc.in> writes:
>>>>
>>>> US> Do you happen to know which packages I would have to install on
>>>> US> debian testing to get different images?
>>>>
>>>> Look for the package containing the Adobe bdf fonts for X11.
>>>
>>> How exactly would I do that? What would the file name for those files be? My
>>> (naiive) attempt didn't work out:
>>>
>>> http://packages.debian.org/search?searchon=contents&keywords=adobe&mode=path&suite=testing&arch=amd64
>>>
>>> (And right now the only .bdf files around belong to texlive)
>>>
>>>> On debian it is either xfonts-100dpi or xfonts-75dpi.
>>>
>>> $ LC_ALL=C apt-cache policy xfonts-75dpi
>>> xfonts-75dpi:
>>>   Installed: 1:1.0.3
>>>   Candidate: 1:1.0.3
>>>   Version table:
>>>  *** 1:1.0.3 0
>>>         990 http://http.debian.net/debian/ testing/main amd64 Packages
>>>          50 http://http.debian.net/debian/ unstable/main amd64 Packages
>>>         100 /var/lib/dpkg/status
>>> $ LC_ALL=C apt-cache policy xfonts-100dpi
>>> xfonts-100dpi:
>>>   Installed: 1:1.0.3
>>>   Candidate: 1:1.0.3
>>>   Version table:
>>>  *** 1:1.0.3 0
>>>         990 http://http.debian.net/debian/ testing/main amd64 Packages
>>>          50 http://http.debian.net/debian/ unstable/main amd64 Packages
>>>         100 /var/lib/dpkg/status
>>>
>>> However, neither packages contain anything which I would think sounds like
>>> "Adobe bdf fonts fot X11":
>>>
>>> http://packages.debian.org/wheezy/all/xfonts-75dpi/filelist
>>> http://packages.debian.org/wheezy/all/xfonts-100dpi/filelist
>>
>> These are the same fonts I've got installed, files similar to
>> helvO12-ISO8859-1.pcf.gz are the ones to look out for.
> 
> Yep, I do have this from xfonts-100dpi:
> /usr/share/fonts/X11/100dpi/helvO12-ISO8859-1.pcf.gz
> 
>> If you have these
>> installed "xlsfonts -fn *helvetica*" should list them as
>>
>> -adobe-helvetica-medium-r-normal--12-120-75-75-p-67-iso8859-1
> 
> Not really. The closest that I have are these:
> 
> $ xlsfonts -fn '*helvetica*' | grep adobe-helvetica-medium-r-normal-- | grep
> iso8859-1
> -adobe-helvetica-medium-r-normal--0-0-100-100-p-0-iso8859-1
> -adobe-helvetica-medium-r-normal--11-80-100-100-p-56-iso8859-1
> -adobe-helvetica-medium-r-normal--11-80-100-100-p-56-iso8859-1
> -adobe-helvetica-medium-r-normal--14-100-100-100-p-76-iso8859-1
> -adobe-helvetica-medium-r-normal--14-100-100-100-p-76-iso8859-1
> -adobe-helvetica-medium-r-normal--17-120-100-100-p-88-iso8859-1
> -adobe-helvetica-medium-r-normal--17-120-100-100-p-88-iso8859-1
> -adobe-helvetica-medium-r-normal--20-140-100-100-p-100-iso8859-1
> -adobe-helvetica-medium-r-normal--20-140-100-100-p-100-iso8859-1
> -adobe-helvetica-medium-r-normal--25-180-100-100-p-130-iso8859-1
> -adobe-helvetica-medium-r-normal--25-180-100-100-p-130-iso8859-1
> -adobe-helvetica-medium-r-normal--34-240-100-100-p-176-iso8859-1
> -adobe-helvetica-medium-r-normal--34-240-100-100-p-176-iso8859-1

Looks fine to me. But it still depends on which font font-config is
going to use. You should try to run:
fc-match "Adobe Helvetica"

For me this gives:
helvR12-ISO8859-1.pcf.gz: "Adobe Helvetica" "Regular"

>> And with these in place you should be able to reproduce my images. To
>> make sure I have one of them attached to this mail.
> 
> Uhm, your SVG does specify the glyphs quite differently. You have glyphs
> specified as a list of rectangles (with an obvious bug that shouldn't matter
> here, but that I just fixed) while in my SVG, glyphs are specified as paths. So
> yeah, cairo definitely isn't using a bitmap font here.

As long as you don't get the bitmap fonts used you wont see the problem
Good for you, but bad for me :-)

Fred