Hi,
I have recently trying to use the fonttootf to convert a bdf font into otf.
But there is a few problem and I'm not sure it the problem is from the bdf
font, fonttootf or freetype?
First, the bdf font is encoding in Big5 (to be exact the encoding should be
Big5-HKSCS). When I run the fonttootf, Seqfault!!
I use gdb to take a look and found that, the cause is the absent of a
'FAMILY_NAME' so freetype just set the face->family_name to 0 and the when
" full_name = malloc(strlen(face->family_name) + 1); " occurs inside read.c:81 of the
fontofotf, it bombs.
As the font is originally grab from internet, the there is no the property for
a long time (since I use it and til now), nothing goes wrong in before. I start to
check the bdf document inside XFree (I can know about these only document regarding
bdf). Inside that document it has no specify the family_name is required. On the other
hand, freetype seems to accept the absent of family_name also. And one of my question
is "does the family_name property is a must of BDF, or X, " and "is there any other
spec or the likes for BDF fonts"??
My another question is solely freetype oriented. Why the API for the bdf
driver seems missing??
The reason I'm quite concerns to changing the bdf big5 encoded fonts is, for
chinese, public domain TTF is totally unacceptable at small point size. In the past
years, I start to use a 12pt bdf chinese fonts, it is excellent. And my thought is to
convert this bdf to otf, or even get a means (I still don't know how :P) to combine
the bitmap with existing Public Domain TTF. This may be another goods news for chinese.
Even I have added the 'FAMILY_NAME' prop into the bdf font, the program still
can't complete : ( as the reason is the bdf font is encoded in Big5, BUT fonttootf
does only select UNICODE. How can I solve it.
I am now start studying the freetype2, so, for the problem above, any pointer
or sugguest is good enough, as I don't mind to modified the fonttootf for my self use!!
Here, thanks in advance!!
Zenith
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