[GRASS-dev] font path question for Linux and Windows

[Michael Barton]

Thanks for the info. Another one to file away.

Michael


On 5/2/07 4:55 PM, "Glynn Clements" <glynn at gclements.plus.com> wrote:

> 
> Michael Barton wrote:
> 
>>> New snag - fc-list :outline doesn't get resource fonts (where all the
>>> useful MS fonts are).  I believe this is because these contain
>>> bitmaps for some font sizes, so fc-list is seeing them as bitmap
>>> fonts, not outlined.
>>> 
>>> What about fc-list :scalable?  Does that leave out the PCF fonts?  It
>>> does get the resource fonts for me.
>> 
>> AFAICT, :outline, :outlined, and :scalable all produce the same list of
>> fonts.
> 
> Same here.
> 
>> It would help (me at least) if there was some guide to fc-list syntax
>> and options. The help is zen-like in its minimalism. Looking at the man page
>> for fontconfigure isn't much help either.
> 
> The list of standard properties in the fontconfig-user HTML/TXT/PDF file:
> 
>   Property        Type    Description
>   --------------------------------------------------------------
>   family          String  Font family names
>   familylang      String  Languages corresponding to each family
>   style           String  Font style. Overrides weight and slant
>   stylelang       String  Languages corresponding to each style
>   fullname        String  Font full names (often includes style)
>   fullnamelang    String  Languages corresponding to each fullname
>   slant           Int     Italic, oblique or roman
>   weight          Int     Light, medium, demibold, bold or black
>   size            Double  Point size
>   width           Int     Condensed, normal or expanded
>   aspect          Double  Stretches glyphs horizontally before hinting
>   pixelsize       Double  Pixel size
>   spacing         Int     Proportional, dual-width, monospace or charcell
>   foundry         String  Font foundry name
>   antialias       Bool    Whether glyphs can be antialiased
>   hinting         Bool    Whether the rasterizer should use hinting
>   hintstyle       Int     Automatic hinting style
>   verticallayout  Bool    Use vertical layout
>   autohint        Bool    Use autohinter instead of normal hinter
>   globaladvance   Bool    Use font global advance data
>   file            String  The filename holding the font
>   index           Int     The index of the font within the file
>   ftface          FT_Face Use the specified FreeType face object
>   rasterizer      String  Which rasterizer is in use
>   outline         Bool    Whether the glyphs are outlines
>   scalable        Bool    Whether glyphs can be scaled
>   scale           Double  Scale factor for point->pixel conversions
>   dpi             Double  Target dots per inch
>   rgba            Int     unknown, rgb, bgr, vrgb, vbgr,
>                           none - subpixel geometry
>   minspace        Bool    Eliminate leading from line spacing
>   charset         CharSet Unicode chars encoded by the font
>   lang            String  List of RFC-3066-style languages this
>                           font supports
>   fontversion     Int     Version number of the font
>   capability      String  List of layout capabilities in the font
>   embolden        Bool    Rasterizer should synthetically embolden the font
> 
> Not all of these are usable by fc-list.
> 
>>>> The updated mkftcap script should cope with multi-font files; the part
>>>> which uses fc-list outputs the index, and should append it to the path
>>>> if it isn't zero. I can't test this, as none of my font files have
>>>> more than one font.
>>>> 
>>> Actually, the index from fc-list isn't useful.  All it does is return
>>> the first index (0) in each file, whether or not it has multiple
>>> faces.  That is, there is only one entry per font file, which makes
>>> sense, since it's listing font files and that's all we really want at
>>> this stage.
>>> 
>>> The face index should be left to the user to find out, with some sort
>>> of d.freetype.info command, which could use the FT library to get
>>> font info in C.  It should return index and face name, so the user
>>> would know what index to use for which style.  The output could also
>>> be parsed and used by the GUI so a full list of fonts and styles
>>> could be build instead of just a list of files.
>> 
>> So, if you DO know the font face index, how do you specify it in GRASS_FONT?
> 
> Append a vertical bar followed by the index (in decimal) to the file's
> path.

__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics and Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton