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Re: font substitution
From: |
Fred Kiefer |
Subject: |
Re: font substitution |
Date: |
Wed, 15 Aug 2007 15:48:11 +0200 |
User-agent: |
Thunderbird 1.5.0.12 (X11/20060911) |
After switching from KDE to Gnome, I was able to reproduce your
character set problem and hacked in a fix for it. Could you please give
it a try?
Cheers,
Fred
Yen-Ju Chen wrote:
> On 8/12/07, Fred Kiefer <fredkiefer@gmx.de> wrote:
>> Yen-Ju Chen wrote:
>>> On 8/12/07, Fred Kiefer <fredkiefer@gmx.de> wrote:
>>>> Yen-Ju Chen wrote:
>>>>> On 8/12/07, Yen-Ju Chen <yjchenx@gmail.com> wrote:
>>>>>> On 8/12/07, Fred Kiefer <fredkiefer@gmx.de> wrote:
>>>>>>> I tried both the AR PL fonts and they seem to work for me. The problem
>>>>>>> you reported in the other mail was when creating the character set, not
>>>>>>> when checking if a character was included. Perhaps you could send me
>>>>>>> your test file. At the moment I am not able to reproduce the problem.
>>>>>>>
>>>>>>> Excluding some fonts from the check wont be an option as people may want
>>>>>>> to use this fonts anyway and then we have the same problem. We really
>>>>>>> need to find out, what is going wrong here.
>>>>>>>
>>>>>>> And GNUstep should be able to support all Unicode characters, if not we
>>>>>>> need to change this. From looking at the code I see no limitation.
>>>>>> Here is the text I used. It is in UTF-8 encoding.
>>>>>> You need a Chinese font (AR PL...)
>>>>>> and another font which has better coverage than usual,
>>>>>> probably one of the DejaVu font for a row of symbol in the bottom.
>>>>> I check the fonts again.
>>>>> The one in question is "AR PL ZenKai Uni.nfont".
>>>>> It shows a "Critical Error" of NSCharacterSet panel and
>>>>> and an exception in terminal:
>>>>> " NSImage: compositeToPoint:fromRect:operation: failed due to
>>>>> NSInternalInconsistencyException: Cannot find stored representation"
>>>>>
>>>>> If you want to try, there is an application in Etoile:
>>>>> Etoile/Services/User/Typewriter/
>>>>> (Well, you also need Etoile/Frameworks/OgreKit, which need oniguruma
>>>>> library).
>>>>> You can create a new document, choose "Edit"->"Characters...".
>>>>> It is a panel allowing you to see all of the glyphs from a chosen font.
>>>>> When you choose "ZenKai", the exception raises.
>>>>> Or you can use Etoile/Services/User/FontManager/ (no dependency).
>>>>> It has the same result.
>>>>> I have to say a bad font can be anywhere.
>>>>>
>>>> Thank you for all these advices. I was able to reproduce and understand
>>>> the flipping of the font. It happens when a font without an explicit set
>>>> matrix gets replaced by an explicit matrix. This is rather strange and
>>>> most likely wrong. To work around this problem I now use a font manager
>>>> method, which in the end does exactly what you suggested. This way has
>>>> the benefit that when ever we improve the code in NSFontManager the font
>>>> substitution will also improve.
>>> That sounds great !!
>>>
>>>> Even with all your help I was not able to reproduce the NSCharacterSet
>>>> problem. Is it possible that this only happens with a certain version of
>>>> Freetype? I seem to have libfreetype.so.6.3.16 on my SuSE 10.2 system.
>>> Hmm... It is possible. I use Ubuntu 6.10/PPC.
>>> I have to check what version of freetype on the system.
>>> But what surprises me is that NSFont can get the correct numberOfGlyphs.
>>> So it may be something unrelated to NSFont, but glyph rendering.
>>>
>>> By the way, could you add a user default for -gui or -back,
>>> such as NSPreferredFonts,
>>> so that users can easily specify their preferred fonts ?
>> Oops, I thought I did that already. It should be NSPreferredFonts, but I
>> never tried it myself :-(
>>
>
> O.K. NSPreferredFonts in user defaults works.
> My freetype is 6.3.10.
> Well, before Ubuntu update freetype2,
> I have to temporarily remove the bad font.
>
> Yen-Ju
>
- Re: font substitution, (continued)
- Re: font substitution, Yen-Ju Chen, 2007/08/10
- Re: font substitution, Fred Kiefer, 2007/08/11
- Re: font substitution, Yen-Ju Chen, 2007/08/11
- Re: font substitution, Fred Kiefer, 2007/08/12
- Re: font substitution, Yen-Ju Chen, 2007/08/12
- Re: font substitution, Yen-Ju Chen, 2007/08/12
- Re: font substitution, Fred Kiefer, 2007/08/12
- Re: font substitution, Yen-Ju Chen, 2007/08/12
- Re: font substitution, Fred Kiefer, 2007/08/12
- Re: font substitution, Yen-Ju Chen, 2007/08/12
- Re: font substitution,
Fred Kiefer <=
- Re: font substitution, Yen-Ju Chen, 2007/08/15
- Re: font substitution, Fred Kiefer, 2007/08/16
Re: font substitution, Gregory John Casamento, 2007/08/05