Re: [ft-devel] Text rendering error

[suzuki toshiya]

All data I've checked are PDFs collected from the internet, so
I'm not sure the exact version numbers. However, some subsetted
fonts retain the name table (but no version number) with copyright
notice, so we can guess when the font is changed to non-tricky.

>> <tricky>
>> DAWJQA+DFGothic-EB-WIN-RKSJ-H
>>                tag cvt  offset 0x00000112 length 0x00000350 checkSum 
>> 0x12c3ebb2
>>                tag fpgm offset 0x00000462 length 0x000087a7 checkSum 
>> 0xb680ee64
>>                tag prep offset 0x0001a017 length 0x00000758 checkSum 
>> 0xce939563

"(c) Copyright DynaLab Inc. 1992-1995": tricky (checksums are same with 1.pdf)
     tag cvt  offset 0x000000bc length 0x00000350 checkSum 0x12c3ebb2
     tag fpgm offset 0x0000040c length 0x000087a7 checkSum 0xb680ee64
     tag name offset 0x0001b3e8 length 0x000002ad checkSum 0xb7982db8
     tag prep offset 0x00011590 length 0x00000758 checkSum 0xce939563

"(c) Copyright DynaLab Inc. 1992-1996": non-tricky
     tag cvt  offset 0x0000010a length 0x00000008 checkSum 0x00000000
     tag fpgm offset 0x00000112 length 0x00000011 checkSum 0xf40ddf13
     tag name offset 0x00011b5a length 0x0000018f checkSum 0xbbce71a9
     tag prep offset 0x00011ce9 length 0x00000013 checkSum 0x6286ee0a

"(c) Copyright DynaComware Corp. 2002": non-tricky
     tag cvt  offset 0x00000114 length 0x00000008 checkSum 0x00000000
     tag fpgm offset 0x0000011c length 0x00000011 checkSum 0xf40ddf13
     tag name offset 0x00011ca8 length 0x00000254 checkSum 0x90c0733e
     tag prep offset 0x00008988 length 0x00000013 checkSum 0x6286ee0a

"(c) Copyright DynaComware Corp. 2004": non-tricky
     tag cvt  offset 0x00000112 length 0x00000350 checkSum 0x12c3ebb2
     tag fpgm offset 0x00000462 length 0x000087a7 checkSum 0xb680ee64
     tag name offset 0x0001ac62 length 0x000002f1 checkSum 0xbfe60d42
     tag prep offset 0x0001af53 length 0x00000758 checkSum 0xce939563

"(c) Copyright DynaComware Corp. 2007": non-tricky
     tag cvt  offset 0x00000114 length 0x00000008 checkSum 0x00000000
     tag fpgm offset 0x0000011c length 0x00000011 checkSum 0xf40ddf13
     tag name offset 0x00011adc length 0x00000329 checkSum 0x75e93e7b
     tag prep offset 0x00008b48 length 0x00000013 checkSum 0x6286ee0a

Regards,
mpsuzuki


address@hidden wrote:
> So, DFGothic-EB(version 2.1 (1997 later)) is not tricky font?
> 
> 
> ------------------ Original ------------------
> From:  "suzuki toshiya"<address@hidden>;
> Date:  Thu, Nov 2, 2017 04:16 PM
> To:  "Werner LEMBERG"<address@hidden>;
> Cc:  "address@hidden"<address@hidden>; "address@hidden"<address@hidden>;
> Subject:  Re: [ft-devel] Text rendering error
> 
> Collecting more PDFs, I got a few PDFs including DFGothic-EB
> with same checksums! I think DFGothic-EB in 1.pdf have stable
> checksum.
> 
> Regards,
> mpsuzuki
> 
> suzuki toshiya wrote:
>> Dear Werner,
>>
>> Werner LEMBERG wrote:
>>>> Werner and Toshiya-san, i found the base name is
>>>> DAWJQA+DFGothic-EB-WIN-RKSJ-H in the pdf file ,
>>> I found a `DFGothic-EB-WIN-RKSJ-H' version 2.1 (from 1997) in the
>>> internet, which is no longer tricky.  We thus would need an earlier
>>> version, which might be difficult to find...
>> Yes, I experienced similar. From a few PDFs including embedded
>> DFGothic-EB, they are no longer tricky and the checksums are
>> different. One of the strange points is that the maxp glyph number
>> of tricky DFGothic-EB is greater than non-tricky DFGothic-EB (?_?)
>>
>> <tricky>
>> DAWJQA+DFGothic-EB-WIN-RKSJ-H
>>                tag cvt  offset 0x00000112 length 0x00000350 checkSum 
>> 0x12c3ebb2
>>                tag fpgm offset 0x00000462 length 0x000087a7 checkSum 
>> 0xb680ee64
>>                tag prep offset 0x0001a017 length 0x00000758 checkSum 
>> 0xce939563
>>
>> <non-tricky>
>> IMLFFK+DFGothic-EB-WINP-RKSJ-H-90ms-RKSJ-H
>>                tag cvt  offset 0x00009be4 length 0x00000008 checkSum 
>> 0x00000000
>>                tag fpgm offset 0x00009bec length 0x00000011 checkSum 
>> 0xf40ddf13
>>                tag prep offset 0x0001291c length 0x00000013 checkSum 
>> 0x6286ee0a
>> JIMJKA+DFGothic-EB-MP-RKSJ-H-90ms-RKSJ-H
>>                tag cvt  offset 0x00000114 length 0x00000008 checkSum 
>> 0x00000000
>>                tag fpgm offset 0x0000011c length 0x00000011 checkSum 
>> 0xf40ddf13
>>                tag prep offset 0x00008988 length 0x00000013 checkSum 
>> 0x6286ee0a
>> MIBVGO+DFGothic-EB
>>                tag cvt  offset 0x0000010a length 0x00000008 checkSum 
>> 0x00000000
>>                tag fpgm offset 0x00000112 length 0x00000011 checkSum 
>> 0xf40ddf13
>>                tag prep offset 0x00011ce9 length 0x00000013 checkSum 
>> 0x6286ee0a
>>
>>
>> _______________________________________________
>> Freetype-devel mailing list
>> address@hidden
>> https://lists.nongnu.org/mailman/listinfo/freetype-devel
>>
> 
>