diff options
Diffstat (limited to 'pango/opentype/pango-ot-buffer.c')
| -rw-r--r-- | pango/opentype/pango-ot-buffer.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/pango/opentype/pango-ot-buffer.c b/pango/opentype/pango-ot-buffer.c index 35371ae8..a7b23e65 100644 --- a/pango/opentype/pango-ot-buffer.c +++ b/pango/opentype/pango-ot-buffer.c @@ -42,6 +42,7 @@ pango_ot_buffer_new (PangoFcFont *font) buffer->font = g_object_ref (font); buffer->applied_gpos = FALSE; buffer->rtl = FALSE; + buffer->zero_width_marks = FALSE; pango_fc_font_unlock_face (font); @@ -82,6 +83,24 @@ pango_ot_buffer_set_rtl (PangoOTBuffer *buffer, buffer->rtl = rtl; } +/** + * pango_ot_buffer_set_zero_width_marks: + * @buffer: a #PangoOTBuffer + * @zero_width_marks: %TRUE if characters with a mark class should + * be forced to zero width. + * + * Sets whether characters with a mark class should be forced to zero width. + * This setting is needed for proper positioning of Arabic accents, + * but will produce incorrect results with standard OpenType indic + * fonts. + **/ +void +pango_ot_buffer_set_zero_width_marks (PangoOTBuffer *buffer, + gboolean zero_width_marks) +{ + buffer->zero_width_marks = zero_width_marks != FALSE; +} + void pango_ot_buffer_get_glyphs (PangoOTBuffer *buffer, PangoOTGlyph **glyphs, @@ -228,7 +247,8 @@ pango_ot_buffer_output (PangoOTBuffer *buffer, FT_UShort property; - if (gdef && + if (buffer->zero_width_marks && + gdef && TT_GDEF_Get_Glyph_Property (gdef, glyphs->glyphs[i].glyph, &property) == FT_Err_Ok && (property == TTO_MARK || (property & IGNORE_SPECIAL_MARKS) != 0)) { |