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Improve documentation of `FT_Get_Track_Kerning'.

This commit is contained in:
Werner Lemberg 2012-03-03 07:03:41 +01:00
parent ceed93e328
commit 847502a217
1 changed files with 14 additions and 2 deletions
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16
include/freetype/freetype.h
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@ -2881,14 +2881,26 @@ FT_BEGIN_HEADER
/* */ /* */
/* point_size :: The point size in 16.16 fractional points. */ /* point_size :: The point size in 16.16 fractional points. */
/* */ /* */
/* degree :: The degree of tightness. */ /* degree :: The degree of tightness. Increasingly negative */
/* values represent tighter track kerning, while */
/* increasingly positive values represent looser track */
/* kerning. Value zero means no track kerning. */
/* */ /* */
/* <Output> */ /* <Output> */
/* akerning :: The kerning in 16.16 fractional points. */ /* akerning :: The kerning in 16.16 fractional points, to be */
/* uniformly applied between all glyphs. */
/* */ /* */
/* <Return> */ /* <Return> */
/* FreeType error code. 0~means success. */ /* FreeType error code. 0~means success. */
/* */ /* */
/* <Note> */
/* Currently, only the Type~1 font driver supports track kerning, */
/* using data from AFM files (if attached with @FT_Attach_File or */
/* @FT_Attach_Stream). */
/* */
/* Only very few AFM files come with track kerning data; please refer */
/* to the Adobe's AFM specification for more details. */
/* */
FT_EXPORT( FT_Error ) FT_EXPORT( FT_Error )
FT_Get_Track_Kerning( FT_Face face, FT_Get_Track_Kerning( FT_Face face,
FT_Fixed point_size, FT_Fixed point_size,