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Re: [ft-devel] Problem with FT_Get_MM_Var
From: |
Werner LEMBERG |
Subject: |
Re: [ft-devel] Problem with FT_Get_MM_Var |
Date: |
Tue, 19 Sep 2017 11:04:35 +0200 (CEST) |
> The cairo code I see this problem with essentially does:
>
> FT_New_Face (font_map->ft_library,
> unscaled->filename,
> unscaled->id,
> &face);
>
> ...
>
> ret = FT_Get_MM_Var (face, &ft_mm_var);
> if (ret != 0) {
> printf ("FT_Get_MM_Var failed: %s\n", getErrorMessage (ret));
> ret = FT_Get_MM_Var (face, &ft_mm_var);
> if (ret == 0)
> printf ("Trying again works. Odd\n");
> }
>
> and this is the output I see:
>
> TESTING font-variations
> FT_Get_MM_Var failed: invalid stream operation
> Trying again works. Odd
Assuming that you have set compile option `FT_DEBUG_LEVEL_ERROR': Can
you run the program within a debugger, setting a conditional
breakpoint on function `FT_Throw' && error == 85? It would be
interesting to see the backtrace.
Werner
- [ft-devel] Problem with FT_Get_MM_Var, Matthias Clasen, 2017/09/16
- Re: [ft-devel] Problem with FT_Get_MM_Var, Werner LEMBERG, 2017/09/18
- Re: [ft-devel] Problem with FT_Get_MM_Var, Matthias Clasen, 2017/09/18
- Re: [ft-devel] Problem with FT_Get_MM_Var,
Werner LEMBERG <=
- Re: [ft-devel] Problem with FT_Get_MM_Var, Matthias Clasen, 2017/09/19
- Re: [ft-devel] Problem with FT_Get_MM_Var, Behdad Esfahbod, 2017/09/20
- Re: [ft-devel] Problem with FT_Get_MM_Var, Matthias Clasen, 2017/09/20
- Re: [ft-devel] Problem with FT_Get_MM_Var, Nikolaus Waxweiler, 2017/09/20
- Re: [ft-devel] Problem with FT_Get_MM_Var, Behdad Esfahbod, 2017/09/20
- Re: [ft-devel] Problem with FT_Get_MM_Var, Matthias Clasen, 2017/09/21