diff options
Diffstat (limited to 'include/freetype/ftbbox.h')
| -rw-r--r-- | include/freetype/ftbbox.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/freetype/ftbbox.h b/include/freetype/ftbbox.h index 01fe3fb..9766919 100644 --- a/include/freetype/ftbbox.h +++ b/include/freetype/ftbbox.h @@ -4,7 +4,7 @@ /* */ /* FreeType exact bbox computation (specification). */ /* */ -/* Copyright 1996-2001, 2003, 2007 by */ +/* Copyright 1996-2001, 2003, 2007, 2011 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -73,6 +73,14 @@ FT_BEGIN_HEADER /* <Return> */ /* FreeType error code. 0~means success. */ /* */ + /* <Note> */ + /* If the font is tricky and the glyph has been loaded with */ + /* @FT_LOAD_NO_SCALE, the resulting BBox is meaningless. To get */ + /* reasonable values for the BBox it is necessary to load the glyph */ + /* at a large ppem value (so that the hinting instructions can */ + /* properly shift and scale the subglyphs), then extracting the BBox */ + /* which can be eventually converted back to font units. */ + /* */ FT_EXPORT( FT_Error ) FT_Outline_Get_BBox( FT_Outline* outline, FT_BBox *abbox ); |