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Re: FT_Render_Glyph returning error INVALID_OUTLINE
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From: |
Werner LEMBERG |
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Subject: |
Re: FT_Render_Glyph returning error INVALID_OUTLINE |
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Date: |
Fri, 17 Sep 2021 08:21:24 +0000 (UTC) |
> Using the upgraded library I'm trying to convert the glyph image to
> FT_GLYPH_FORMAT_BITMAP format using FT_RENDER_MODE_MONO rendering
> mode, but the function FT_Render_Glyph is returning error
> INVALID_OUTLINE (Error#:20).
>
> I have attached the font & sample test program for which it is
> giving me error.
Well, you loop from 16 to 35, mapping those values to itself, then
calling `FT_Get_Char_Index` to get glyph indices. However, all cmaps
in the font start with character code 0x20 (decimal 32) followed by
character code 0x24 (decimal 36). Consequently, you get glyph index 0
for all values except 0x32.
Werner