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Re: [ft] opentype problems

From: mpsuzuki
Subject: Re: [ft] opentype problems
Date: Tue, 26 Apr 2005 20:12:49 +0900


On Tue, 26 Apr 2005 18:41:28 +0800
pabs <address@hidden> wrote:

>On Tue, 2005-04-26 at 19:16 +0900, address@hidden wrote:
>> I'm afraid that the wrong glyph width bug of ftview is different
>> from similar bug of galeon.
>> +    current_font.flags |= FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH;
>> As a result, I'm not sure if the wrong behaviour of galeon comes
>> from same scenario, but I'm afraid that updating
>> is not enough to fix the problem.
>Hmm, perhaps the "global advance width" in the font should be adjusted
>to zero or turned off?
>address@hidden:~$ ftinfo -a yngn.otf | grep -i width
>yngn.otf: 0: horizontal: advance_Width_Max: 65535
>yngn.otf: 0: os2: xAvgCharWidth = 475
>yngn.otf: 0: os2: usWidthClass : Medium (normal)
>yngn.otf: 0: os2: usWidthClass: 5
>yngn.otf: 0: os2: xAvgCharWidth: 475

Your suggestion sounds worthful to test. However, TrueType
specification says advanceWidthMax must be consistent with
horizontal metrics (of hmtx?), I suppose "turn-off" is


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