[ft-devel] Artefacts when rendering with FreeType 2.4.9

[jola]

To make use of new API (kerning etc.) I upgraded from FT 2.1.10 to FT 2.4.8 and then 2.4.9. When rendering some PostScript Type 1 fonts with these versions some artefacts show up. As an example "ITC Kabel" was rendered at font sizes 106, 212, 318, an 423 pixels (files "K001013T.PFB" and "K001013T.PFM" in the attached zip file). See image "M_ITCKabel_FT2.4.9.png" for the erroneus result of 2.4.9.

I replaced the folder "raster" of 2.4.9 by the folder "raster" of 2.1.10 and rebuilt the software. Now everything looked ok again (image "M_ITCKabel_FT2.4.9_with_FT2.1_raster.png").

This is a workaround, but is there a better solution?

ft_2.4.9_bug.zip

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