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[freetype2] master 229a553: CHANGES: Add information on global metrics r
[freetype2] master 229a553: CHANGES: Add information on global metrics rounding.
Wed, 12 Jul 2017 04:50:08 -0400 (EDT)
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>
CHANGES: Add information on global metrics rounding.
I missed to add this important information.
docs/CHANGES | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/docs/CHANGES b/docs/CHANGES
index 3ee9510..ae5bb2f 100644
@@ -44,6 +44,20 @@ CHANGES BETWEEN 2.7.1 and 2.8
configuration option. However, it is strongly recommended to
avoid that, adjusting font sizes instead.
+ - Global size metrics values in the `FT_Size_Metrics' structure
+ can be different for TrueType fonts. Reason is that in older
+ FreeType versions the metrics were rounded differently to
+ integer pixels compared to all other font formats, yielding an
+ inconsistent behaviour if you used non-native hinting. Starting
+ with this version, global size metrics for TrueType fonts are
+ handled the same as other font formats: `ascender' gets rounded
+ up, `descender' gets rounded down, `height' gets normally
+ rounded, and `max_advance' gets normally rounded, too.
+ If you need more precise values of (global) ascender, descender,
+ height, or `max_advance', please take the corresponding values
+ from the `FT_Face' structure and scale them manually.
- If a TrueType font gets loaded with FT_LOAD_NO_HINTING, FreeType
now scales the font linearly again (bug introduced in version
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