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Re: [ft] Convert_glyph()


From: suzuki toshiya
Subject: Re: [ft] Convert_glyph()
Date: Fri, 18 Jan 2013 10:26:45 +0900
User-agent: Mozilla-Thunderbird 2.0.0.12 (X11/20080406)

Hi,

Thanks in advance for your effort to further investigation!
If any sample data to reproduce the issue is available,
I will succeed.

Regards,
mpsuzuki

Dakai Liu wrote:
> Hello Suzuki,
> 
>> Thank you for the info, the problem is that ras.error is
>> not set appropriately in the case that the overflow occurs?
> 
> It appears to be the case, how ever I have not yet to identify which curve 
> caused the error without setting the ras.error.
> I will do some more debugging and let you know.
> 
> Best Regards,
> Dakai
> 
> ________________________________________
> From: suzuki toshiya address@hidden
> Sent: Friday, 18 January 2013 12:07 PM
> To: Dakai Liu
> Cc: address@hidden
> Subject: Re: [ft] Convert_glyph()
> 
> Hi,
> 
> Thank you for the info, the problem is that ras.error is
> not set appropriately in the case that the overflow occurs?
> 
> Regards,
> mpsuzuki
> 
> Dakai Liu wrote:
>> Dear list,
>>
>> I have encountered a rendering failure on a Kanji glyph. Turned out to 
>> errorring in Convert_glyph(). The last line of the function:
>>
>> return (Bool) (ras.top < ras.maxBuff ? SUCCESS : FAILURE )
>>
>> returns an error when ras.top == ras.maxBuff. And sebsequently the 
>> Render_Single_Pass() failed too.
>> Then I replace the a fore mentioned line with the following:
>>
>>     if ( ras.top < ras.maxBuff )
>>    {
>>         return (Bool)SUCCESS;
>>    }
>>     else
>>     {
>>         ras.error = Raster_Err_Overflow;
>>         return (Bool)FAILURE;
>>     }
>>
>> Then the error goes away. Please advice the new code is correct?
>>
>>
>> Best Regards,
>> Dakai
>> _______________________________________________
>> Freetype mailing list
>> address@hidden
>> https://lists.nongnu.org/mailman/listinfo/freetype
> 




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