diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ft.cc')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ft.cc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ft.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ft.cc index 9b872ea58f0..eed1787dadd 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ft.cc +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ft.cc @@ -366,6 +366,25 @@ hb_ft_get_glyph_from_name (hb_font_t *font HB_UNUSED, return *glyph != 0; } +static hb_bool_t +hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED, + void *font_data, + hb_font_extents_t *metrics, + void *user_data HB_UNUSED) +{ + const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; + FT_Face ft_face = ft_font->ft_face; + metrics->ascender = ft_face->size->metrics.ascender; + metrics->descender = ft_face->size->metrics.descender; + metrics->line_gap = ft_face->size->metrics.height - (ft_face->size->metrics.ascender - ft_face->size->metrics.descender); + if (font->y_scale < 0) + { + metrics->ascender = -metrics->ascender; + metrics->descender = -metrics->descender; + metrics->line_gap = -metrics->line_gap; + } + return true; +} static hb_font_funcs_t *static_ft_funcs = NULL; @@ -387,6 +406,8 @@ retry: { funcs = hb_font_funcs_create (); + hb_font_funcs_set_font_h_extents_func (funcs, hb_ft_get_font_h_extents, NULL, NULL); + //hb_font_funcs_set_font_v_extents_func (funcs, hb_ft_get_font_v_extents, NULL, NULL); hb_font_funcs_set_glyph_func (funcs, hb_ft_get_glyph, NULL, NULL); hb_font_funcs_set_glyph_h_advance_func (funcs, hb_ft_get_glyph_h_advance, NULL, NULL); hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ft_get_glyph_v_advance, NULL, NULL); |