Re: [Devel] I'm lost with the charmaps !!

[Riccardo Cohen]

Thats really great. Please let me know when it is fixed.
And thanks again for the whole work, I hope i will be able to help back one day.

David Turner wrote:
> 
> Hello Riccardo,
> 
> Thanks for the information, I've taken a quick look at the fonts
> and it seems that the problem comes from the fact that the charmaps
> contained in your font files do not comply with the specifcation:
> 
>    - chvr____.ttf uses the "0xFFFF" offset to indicate missing
>      glyphs. The code currently in CVS already has a fix to handle
>      these fonts, and works with it.
> 
>    - mg______.ttf has a format 4 charmap with a different kind of
>      problem. Its 'length' field is too big and exceeds the 'cmap'
>      table length. I'm working on a small fix to the current code
>      to let it handle such strange cases.. Please wait...
> 
> Hope this helps for now
> 
> - David Turner
> - The FreeType Project  (www.freetype.org)
> 
> Riccardo Cohen wrote:
> > Thanks David for your quick answer.
> >
> >
> >>We won't be able to help you if you don't give us more information about
> >>what you're trying to do.
> >
> >
> > I try to generate a bitmap to display a string, taking care of original 
> > string charmap and available charmap in the .ttf
> > Mostly I succeed, in manage glyph bitmaps, anti-aliasing, bearing. But 
> > there is a mystery I cannot explain about charmaps.
> > I have a class that can convert a string into and from 
> > unicode,appleroman,win32,latin1,adobe. I took the char codes from 
> > unicode.org and checked all on windows,macos9/X,linux before doing all 
> > this. I am quite sure that my charset conversions are corrects.
> >
> >
> >> For example, could you tell us:
> >>   - which version of FreeType you're using
> >
> >
> > freetype 2.1.2
> >
> >
> >>   - what fonts are concerned by your problems
> >>     (is it possible to get them easily ?)
> >
> >
> > Marriage and Chevara
> >
> > I send it to you by mail
> >
> >
> >>   - what kind of compilation errors are you talking of ?? How
> >>     did you try to compile it ?
> >
> >
> > compilation with cygwin worked all right by ftview.exe "could not allocate 
> > display surface"
> > So I tryed to add all files into a msdev5 wni32 application project 
> > (including graph) and set some compile and link options, but I had so many 
> > errors, including macro undefined etc. that I gave up.
> >
> >
> >>   - what does the "ftdump" tool that comes with FreeType 2 demos
> >>     package reports (I can send you a Windows binary, if you need
> >>     that).
> >>
> >
> > ftdump compiled with cygwin gave :
> > ME>ttf/ft2demos-2.1.2/bin> ftdump c:\\winnt\\fonts\\chvr____.ttf
> > There is 1 face in this file.
> >
> > ----- Face number: 0 -----
> >
> > font name entries
> >    family:     Chevara
> >    style:      Normal
> >    postscript: ChevaraNormal
> >
> > font type entries
> >    FreeType driver: truetype
> >    sfnt wrapped:    yes
> >    type:            scalable
> >    direction:       horizontal
> >    fixed width:     no
> >    glyph names:     yes
> >    EM size:         1000
> >    global BBox:     (-297,-285):(1778,1403)
> >    ascent:          1403
> >    descent:         -341
> >    text height:     2006
> >
> > charmaps
> >    0: platform: 1, encoding: 0
> >
> >
> >
> >>By all means, don't send fonts directly to the mailing list.
> >>
> >>Cheers,
> >>
> >>- David Turner
> >>- The FreeType Project  (www.freetype.org)
> >>
> >>_______________________________________________
> >>Devel mailing list
> >>address@hidden
> >>http://www.freetype.org/mailman/listinfo/devel
> >
> >
> 
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-- 
Riccardo Cohen

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