diff options
Diffstat (limited to 'include/freetype/ftglyph.h')
| -rw-r--r-- | include/freetype/ftglyph.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/freetype/ftglyph.h b/include/freetype/ftglyph.h index 0b8f0c0..3de69f7 100644 --- a/include/freetype/ftglyph.h +++ b/include/freetype/ftglyph.h @@ -4,7 +4,7 @@ /* */ /* FreeType convenience functions to handle glyphs (specification). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2006, 2008, 2009 by */ +/* Copyright 1996-2003, 2006, 2008, 2009, 2011 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -384,6 +384,13 @@ FT_BEGIN_HEADER /* units in 26.6 pixel format. The value @FT_GLYPH_BBOX_SUBPIXELS */ /* is another name for this constant. */ /* */ + /* If the font is tricky and the glyph has been loaded with */ + /* @FT_LOAD_NO_SCALE, the resulting CBox is meaningless. To get */ + /* reasonable values for the CBox 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 CBox */ + /* which can be eventually converted back to font units. */ + /* */ /* Note that the maximum coordinates are exclusive, which means that */ /* one can compute the width and height of the glyph image (be it in */ /* integer or 26.6 pixels) as: */ |