X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Finclude%2Fbezier.hh;h=681c8c1816450f23bd4b075dbc8551a1ee0b848e;hb=d2762a4f1add2bb04d6fc34d3c7ae03eeb7d500f;hp=a04d449725ab17f346df4d20daa5286df7de0d4c;hpb=a9d9433bc7b95cb2d4b3d96eefce7a8437c0d44e;p=lilypond.git diff --git a/lily/include/bezier.hh b/lily/include/bezier.hh index a04d449725..681c8c1816 100644 --- a/lily/include/bezier.hh +++ b/lily/include/bezier.hh @@ -1,7 +1,20 @@ /* - bezier.hh -- declare Bezier and Bezier_bow + This file is part of LilyPond, the GNU music typesetter. - (c) 1998--2009 Jan Nieuwenhuizen + Copyright (C) 1998--2015 Jan Nieuwenhuizen + + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ #ifndef BEZIER_HH @@ -22,15 +35,20 @@ public: void reverse (); void rotate (Real); void translate (Offset); + void subdivide (Real, Bezier *, Bezier *) const; + Bezier extract (Real, Real) const; Real get_other_coordinate (Axis a, Real x) const; + vector get_other_coordinates (Axis a, Real x) const; vector solve_point (Axis, Real coordinate) const; + Real minmax (Axis, Real, Real, Direction) const; vector solve_derivative (Offset) const; Interval extent (Axis) const; Interval control_point_extent (Axis) const; - + Polynomial polynomial (Axis)const; Offset curve_point (Real t) const; + Real slope_at_point (Real t) const; Real curve_coordinate (Real t, Axis) const; static const int CONTROL_COUNT = 4; @@ -48,7 +66,7 @@ void rotate (vector *array, Real phi); void translate (vector *array, Offset o); Bezier slur_shape (Real width, Real height_limit, - Real height_proportion); + Real height_proportion); Real slur_height (Real width, Real height_limit, Real height_proportion); void get_slur_indent_height (Real *indent, Real *height, Real width, Real h_inf, Real r_0);