On Tuesday 20 August 2002 9:55 pm, Juliusz Chroboczek wrote:
| PS You should also decide on an extenson name other than .ttf,
|
| I'm thinking of using .otf. The OpenType spec explicitly allows
| bitmap-only OTF fonts.
|
| It should also be legal to generate .ttf fonts, under the condition
| that I generate at least one entry in each of hmtx, glyf, and loca
| (which I'm doing by default right now).
See my another mail:
Fonts made by James H. Cloos Jr. [EMAIL PROTECTED], URL:
http://jhcloos.com/fonts/bdfttf/tests/
are displayed o.k. by ftview in TrueType format, but ftview dispalys nothing
for .otf format.
Tested with ftview/freetype 2.1.1
|
| PS to avoid that those bitmap only ttf files get confused wwith real
| PS scalable fonts by people out there, otherwise there would be a lot
| PS of bad consequences.
|
| By default, I'm generating fonts which are perfectly valid TTF fonts.
| To a non-sbit aware rasteriser, they will appear as fonts with only
| one blank scalalble glyph.
|
| The good thing is that no existing software should crash on them. The
| bad thing is that existing software will happily use them, which may
| lead to user confusion.
|
| The alternative is to generate no loca or glyf tables at all, and
| using the ``OTTO'' signature in the font's header. Existing software
| should refuse to load such fonts, which will minimise user confusion.
|
| I'm waiting for the FreeType crowd to decide whether they wish to
| support such fonts.
|
| Juliusz
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