Re: WOFF2 failure

Thanks, but you’ll have to be a bit more explicit for us poor newcomers. :) The fix in this case would be to use the ConvertWOFF2ToTTF() overload taking a WOFF2Out object?

> On Sep 21, 2016, at 11:25 AM, Khaled Hosny <khaledhosny@eglug.org> wrote:
> 
> On Wed, Sep 21, 2016 at 11:11:12AM -0700, Ned Holbrook wrote:
>> This is regarding <http://test.chrislewis.codes/woff2/>, found on <http://typedrawers.com/discussion/1775/browser-ots-rejections-for-woff2-but-not-woff>; the WOFF2 for the second line of the test page is not being used.
>> 
>> I stepped through I discovered the failure is due to this code in woff2_dec.cc:
>> 
>>    if (PREDICT_FALSE(static_cast<uint64_t>(table.dst_offset + table.dst_length)
>>> out->Size())) {
>>      return FONT_COMPRESSION_FAILURE();
>>    }
>> 
>> At the point of failure:
>>    (lldb) p out->Size()
>>    (size_t) $7 = 405520
>>    (lldb) p table.dst_offset + table.dst_length
>>    (unsigned int) $8 = 417149
>> 
>> Now, Khaled commented on the TypeDrawers page to suggest this check is
>> overly strict. Does this mean the reference implementation needs to be
>> fixed?
> 
> See:
> https://github.com/google/woff2/pull/48
> 
> Regards,
> Khaled

Received on Wednesday, 21 September 2016 18:32:20 UTC