[var] Hook up advance variations to hb-ot-font

Yay, works!
This commit is contained in:
Behdad Esfahbod 2017-01-23 17:55:31 -08:00
parent 6074340371
commit 79e8e27ffd
1 changed files with 5 additions and 1 deletions

View File

@ -138,7 +138,8 @@ struct hb_ot_face_metrics_accelerator_t
return this->default_advance;
}
return this->table->longMetric[MIN (glyph, this->num_advances - 1)].advance;
return this->table->longMetric[MIN (glyph, this->num_advances - 1)].advance
+ this->var->get_advance_var (glyph, font->coords, font->num_coords); // TODO Optimize?!
}
};
@ -524,6 +525,7 @@ hb_ot_get_glyph_extents (hb_font_t *font HB_UNUSED,
bool ret = ot_font->glyf->get_extents (glyph, extents);
if (!ret)
ret = ot_font->cbdt->get_extents (glyph, extents);
// TODO Hook up side-bearings variations.
extents->x_bearing = font->em_scale_x (extents->x_bearing);
extents->y_bearing = font->em_scale_y (extents->y_bearing);
extents->width = font->em_scale_x (extents->width);
@ -541,6 +543,7 @@ hb_ot_get_font_h_extents (hb_font_t *font HB_UNUSED,
metrics->ascender = font->em_scale_y (ot_font->h_metrics.ascender);
metrics->descender = font->em_scale_y (ot_font->h_metrics.descender);
metrics->line_gap = font->em_scale_y (ot_font->h_metrics.line_gap);
// TODO Hook up variations.
return ot_font->h_metrics.has_font_extents;
}
@ -554,6 +557,7 @@ hb_ot_get_font_v_extents (hb_font_t *font HB_UNUSED,
metrics->ascender = font->em_scale_x (ot_font->v_metrics.ascender);
metrics->descender = font->em_scale_x (ot_font->v_metrics.descender);
metrics->line_gap = font->em_scale_x (ot_font->v_metrics.line_gap);
// TODO Hook up variations.
return ot_font->v_metrics.has_font_extents;
}