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Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm
From: |
Werner LEMBERG |
Subject: |
Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm |
Date: |
Wed, 14 Mar 2018 07:42:14 +0100 (CET) |
>> Maybe an endianness problem while setting up the external array
>> holding the PCF data?
>
> I believe no.
OK.
>> If you activate debugging with
>>
>> #define FT_DEBUG_LEVEL_ERROR
>> #define FT_DEBUG_LEVEL_TRACE
>>
>> in `ftoption.h', then setting the environment variable `FT2_DEBUG'
>> to `any:7' you will perhaps get more detailed information on the
>> problem FreeType has encountered. [In case your environment
>> doesn't have environment variables you have to adjust `ftdebug.c'
>> accordingly.]
>
> FT_BASE_DEF( void )
> ft_debug_init( void )
> [...]
>
> Hmm.... no output.
This is certainly a problem on your side :-)
>> By the way, the assembly code is broken with thumb2: [...]
>> Can you fix it? I have zero knowledge w.r.t. assembler code.
>
> I will try, can you tell me what it's intention...
It should be a fast equivalent of the corresponding C code
(cf. `FT_MulFix' in files `freetype.h' and `ftcalc.c').
> This is the code I found in freetype [...]
Yep.
> int64_t is supported, but generate long code like this: [...]
Maybe this code can be manually optimized. Note, however, that for
handling PCF files this is overkill since the PCF module doesn't need
FT_MulFix at all.
Werner
- [ft-devel] FT_New_Memory_Face: get error code 2 on arm, duhuanpeng, 2018/03/13
- Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm, Werner LEMBERG, 2018/03/13
- Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm, duhuanpeng, 2018/03/14
- Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm,
Werner LEMBERG <=
- Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm, Werner LEMBERG, 2018/03/14
- Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm, duhuanpeng, 2018/03/14
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- Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm, Alexei Podtelezhnikov, 2018/03/14
- Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm, duhuanpeng, 2018/03/14
- Re: [ft-devel] FT_New_Memory_Face: get error code 2 on arm, duhuanpeng, 2018/03/14