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73 lines
2.4 KiB
Markdown
73 lines
2.4 KiB
Markdown
## Provided fonts
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These are BDF fonts, a simple bitmap font-format that can be created
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by many font tools. Given that these are bitmap fonts, they will look good on
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very low resolution screens such as the LED displays.
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Fonts in this directory (except tom-thumb.bdf) are public domain (see the [README](./README)) and
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help you to get started with the font support in the API or the `text-util`
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from the utils/ directory.
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Tom-Thumb.bdf is included in this directory under [MIT license](http://vt100.tarunz.org/LICENSE). Tom-thumb.bdf was created by [@robey](http://twitter.com/robey) and originally published at https://robey.lag.net/2010/01/23/tiny-monospace-font.html
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The texguire-27.bdf font was created using the [otf2bdf] tool from the TeX Gyre font.
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```
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otf2bdf -v -o texgyre-27.bdf -r 72 -p 27 texgyreadventor-regular.otf
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```
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## Create your own
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Fonts are in a human readable and editbable `*.bdf` format, but unless you
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like reading and writing pixels in hex, generating them is probably easier :)
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You can use any font-editor to generate a BDF font or use the conversion
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tool [otf2bdf] to create one from some other font format.
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Here is an example how you could create a 30pixel high BDF font from some
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TrueType font:
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```bash
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otf2bdf -v -o myfont.bdf -r 72 -p 30 /path/to/font-Bold.ttf
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```
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## Getting otf2bdf
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Installing the tool should be fairly straight-foward
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```
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sudo apt-get install otf2bdf
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```
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## Compiling otf2bdf
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If you like to compile otf2bdf, you might notice that the configure script
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uses some old way of getting the freetype configuration. There does not seem
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to be much activity on the mature code, so let's patch that first:
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```
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sudo apt-get install -y libfreetype6-dev pkg-config autoconf
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git clone https://github.com/jirutka/otf2bdf.git # check it out
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cd otf2bdf
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patch -p1 <<"EOF"
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--- a/configure.in
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+++ b/configure.in
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@@ -5,8 +5,8 @@ AC_INIT(otf2bdf.c)
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AC_PROG_CC
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OLDLIBS=$LIBS
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-LIBS="$LIBS `freetype-config --libs`"
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-CPPFLAGS="$CPPFLAGS `freetype-config --cflags`"
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+LIBS="$LIBS `pkg-config freetype2 --libs`"
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+CPPFLAGS="$CPPFLAGS `pkg-config freetype2 --cflags`"
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AC_CHECK_LIB(freetype, FT_Init_FreeType, LIBS="$LIBS -lfreetype",[
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AC_MSG_ERROR([Can't find Freetype library! Compile FreeType first.])])
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AC_SUBST(LIBS)
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EOF
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autoconf # rebuild configure script
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./configure # run configure
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make # build the software
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sudo make install # install it
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```
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[otf2bdf]: https://github.com/jirutka/otf2bdf
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