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Re: [Devel] Unpatented Hinting
From: |
Werner LEMBERG |
Subject: |
Re: [Devel] Unpatented Hinting |
Date: |
Thu, 12 Aug 2004 01:40:52 +0200 (CEST) |
> recently I tested the unpatented hinting method. Unlike to the given
> Information in the mailing list archive I apparently gain the same
> quality by unpatented hinting as with the "full" hinting method with
> bytecode interpreter for ALL of my fonts.
Note that only a few operations in the bytecode interpreter are
patented. Those features are disabled by default but the rest of the
bytecode interpreter is working.
> Does the quality that can be achieved with the unpatented algorithm
> has meanwhile been improved that much?
It depends on the font. Does someone knows a good counterexample?
That is, which glyph in which font is rendered badly with unpatented
hinting?
> I've set the following definitions for unpatented hinting:
>
> #define TT_CONFIG_OPTION_BYTECODE_INTERPRETER
>
> and
>
> #define TT_CONFIG_OPTION_UNPATENTED_HINTING
>
> in include/freetype/config/ftoption.h
>
> and I pass
>
> FT_PARAM_TAG_UNPATENTED_HINTING
>
> to
>
> FT_Open_Face()
>
> Is that all or will there be needed something more for activating the
> unpatented algorithm?
This should be fine.
Werner