diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh index 8916241f76..f550524503 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh @@ -21,19 +21,15 @@ struct path_builder_t operator bool () const { return has_data; } bool has_data = false; - float x = 0.; - float y = 0.; + float x; + float y; - optional_point_t lerp (optional_point_t p, float t) - { return optional_point_t (x + t * (p.x - x), y + t * (p.y - y)); } + optional_point_t mid (optional_point_t p) + { return optional_point_t ((x + p.x) * 0.5f, (y + p.y) * 0.5f); } } first_oncurve, first_offcurve, first_offcurve2, last_offcurve, last_offcurve2; - path_builder_t (hb_font_t *font_, hb_draw_session_t &draw_session_) - { - font = font_; - draw_session = &draw_session_; - first_oncurve = first_offcurve = first_offcurve2 = last_offcurve = last_offcurve2 = optional_point_t (); - } + path_builder_t (hb_font_t *font_, hb_draw_session_t &draw_session_) : + font (font_), draw_session (&draw_session_) {} /* based on https://github.com/RazrFalcon/ttf-parser/blob/4f32821/src/glyf.rs#L287 See also: @@ -41,6 +37,7 @@ struct path_builder_t * https://stackoverflow.com/a/20772557 * * Cubic support added. */ + HB_ALWAYS_INLINE void consume_point (const contour_point_t &point) { bool is_on_curve = point.flag & glyf_impl::SimpleGlyph::FLAG_ON_CURVE; @@ -50,7 +47,7 @@ struct path_builder_t bool is_cubic = !is_on_curve && (point.flag & glyf_impl::SimpleGlyph::FLAG_CUBIC); #endif optional_point_t p (font->em_fscalef_x (point.x), font->em_fscalef_y (point.y)); - if (!first_oncurve) + if (unlikely (!first_oncurve)) { if (is_on_curve) { @@ -66,7 +63,7 @@ struct path_builder_t } else if (first_offcurve) { - optional_point_t mid = first_offcurve.lerp (p, .5f); + optional_point_t mid = first_offcurve.mid (p); first_oncurve = mid; last_offcurve = p; draw_session->move_to (mid.x, mid.y); @@ -102,7 +99,7 @@ struct path_builder_t } else { - optional_point_t mid = last_offcurve.lerp (p, .5f); + optional_point_t mid = last_offcurve.mid (p); if (is_cubic) { @@ -127,13 +124,13 @@ struct path_builder_t } } - if (point.is_end_point) + if (unlikely (point.is_end_point)) { if (first_offcurve && last_offcurve) { - optional_point_t mid = last_offcurve.lerp (first_offcurve2 ? - first_offcurve2 : - first_offcurve, .5f); + optional_point_t mid = last_offcurve.mid (first_offcurve2 ? + first_offcurve2 : + first_offcurve); if (last_offcurve2) draw_session->cubic_to (last_offcurve2.x, last_offcurve2.y, last_offcurve.x, last_offcurve.y, |